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8 Commits

Author SHA1 Message Date
jason d58549b96b remove incorrect parameter 2025-11-25 14:50:48 -08:00
jason 4d87675eb7 correctly spell my own name 2025-11-24 23:53:19 -08:00
jason 3632fd1d16 spell my name correctly. 😧 2025-11-24 14:54:47 -08:00
jason e74332752f remove manual download option. i dont want to support it. 2025-11-24 14:10:40 -08:00
GitHub Actions 2d37aadc77 Update APT repository - Release v1.55.0-test2 2025-11-24 20:01:34 +00:00
jason 18890aa83a cleanup 2025-11-23 14:37:52 -08:00
jason c658773061 catpuchino frappe colors. 2025-11-23 14:33:52 -08:00
jason 5dbab9062c Initialize APT repository
Source: feature/debian-packaging@a9366d069d
Date: 2025-11-23 21:24:50 UTC
2025-11-23 13:24:50 -08:00
161 changed files with 1827 additions and 28154 deletions
-39
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@@ -1,39 +0,0 @@
#!/usr/bin/env bash
# This repository uses a custom hooks directory (.githooks). To enable this pre-commit hook run:
# git config core.hooksPath .githooks
# Ensure this file is executable: chmod +x .githooks/pre-commit
set -euo pipefail
echo "[pre-commit] Running cargo fmt --all" >&2
if ! command -v cargo >/dev/null 2>&1; then
# Try loading rustup environment (common install path)
if [ -f "$HOME/.cargo/env" ]; then
# shellcheck source=/dev/null
. "$HOME/.cargo/env"
fi
fi
if ! command -v cargo >/dev/null 2>&1; then
echo "[pre-commit] cargo not found in PATH; skipping fmt (install Rust or adjust PATH)." >&2
exit 0
fi
cargo fmt --all
# Stage any Rust files that were reformatted
changed=$(git diff --name-only --diff-filter=M | grep -E '\\.rs$' || true)
if [ -n "$changed" ]; then
echo "$changed" | xargs git add
echo "[pre-commit] Added formatted files" >&2
fi
# Fail if further diffs remain (shouldn't happen normally)
unfmt=$(git diff --name-only --diff-filter=M | grep -E '\\.rs$' || true)
if [ -n "$unfmt" ]; then
echo "[pre-commit] Some Rust files still differ after formatting:" >&2
echo "$unfmt" >&2
exit 1
fi
exit 0
-446
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@@ -1,446 +0,0 @@
name: Build Debian Packages
on:
# APT publishing is release-driven: we build + publish only on `v*` tag
# pushes. PRs into master still build the .debs as a sanity check (no
# publish). Manual dispatch is kept as an escape hatch.
push:
tags:
- "v*"
pull_request:
branches:
- master
workflow_dispatch:
env:
CARGO_TERM_COLOR: always
jobs:
build-deb:
name: Build .deb for ${{ matrix.target }}
# PINNED, not ubuntu-latest: the binaries link against this runner's
# (multiarch) glibc, so the runner sets the MINIMUM glibc the .debs demand
# at install time. ubuntu-latest moved to 24.04/glibc 2.39 and the packages
# stopped installing on Debian 12/RPi OS bookworm (glibc 2.36). 22.04 links
# 2.35, which bookworm satisfies. The "enforce glibc floor" step below
# turns any future violation into a red build instead of a fleet-wide apt
# failure — if this pin ever has to move past bookworm's glibc, that step
# is the contract to renegotiate first.
runs-on: ubuntu-22.04
strategy:
matrix:
include:
- target: x86_64-unknown-linux-gnu
arch: amd64
- target: aarch64-unknown-linux-gnu
arch: arm64
- target: armv7-unknown-linux-gnueabihf
arch: armhf
- target: riscv64gc-unknown-linux-gnu
arch: riscv64
steps:
- name: Checkout code
uses: actions/checkout@v4
- name: Install Rust toolchain
uses: dtolnay/rust-toolchain@stable
with:
targets: ${{ matrix.target }}
- name: Install cargo-deb
run: cargo install cargo-deb
- name: Install build dependencies
run: |
sudo apt-get update
sudo apt-get install -y dpkg-dev
- name: Install cross-compilation tools (ARM64)
if: matrix.target == 'aarch64-unknown-linux-gnu'
run: |
sudo dpkg --add-architecture arm64
# Disable all existing sources and create new ones with proper arch specifications
sudo mv /etc/apt/sources.list /etc/apt/sources.list.backup
sudo mv /etc/apt/sources.list.d /etc/apt/sources.list.d.backup || true
sudo mkdir -p /etc/apt/sources.list.d
# Clear APT cache and lists
sudo rm -rf /var/lib/apt/lists/*
sudo mkdir -p /var/lib/apt/lists/partial
# Create new sources.list with both amd64 and arm64
cat << EOF | sudo tee /etc/apt/sources.list
deb [arch=amd64] http://archive.ubuntu.com/ubuntu $(lsb_release -sc) main universe restricted multiverse
deb [arch=amd64] http://archive.ubuntu.com/ubuntu $(lsb_release -sc)-updates main universe restricted multiverse
deb [arch=amd64] http://archive.ubuntu.com/ubuntu $(lsb_release -sc)-backports main universe restricted multiverse
deb [arch=amd64] http://security.ubuntu.com/ubuntu $(lsb_release -sc)-security main universe restricted multiverse
deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports $(lsb_release -sc) main universe restricted multiverse
deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports $(lsb_release -sc)-updates main universe restricted multiverse
deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports $(lsb_release -sc)-backports main universe restricted multiverse
deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports $(lsb_release -sc)-security main universe restricted multiverse
EOF
echo "=== Contents of /etc/apt/sources.list ==="
cat /etc/apt/sources.list
echo "=== Contents of /etc/apt/sources.list.d/ ==="
ls -la /etc/apt/sources.list.d/ || true
sudo apt-get update
sudo apt-get install -y gcc-aarch64-linux-gnu libdrm-dev:arm64 libdrm-amdgpu1:arm64
- name: Install cross-compilation tools (ARMhf)
if: matrix.target == 'armv7-unknown-linux-gnueabihf'
run: |
sudo apt-get update
sudo apt-get install -y gcc-arm-linux-gnueabihf
- name: Install cross-compilation tools (RISC-V)
if: matrix.target == 'riscv64gc-unknown-linux-gnu'
run: |
sudo apt-get update
sudo apt-get install -y gcc-riscv64-linux-gnu
- name: Install GPU libraries (x86_64)
if: matrix.target == 'x86_64-unknown-linux-gnu'
run: |
sudo apt-get update
sudo apt-get install -y libdrm-dev libdrm-amdgpu1
- name: Configure cross-compilation (ARM64)
if: matrix.target == 'aarch64-unknown-linux-gnu'
run: |
mkdir -p .cargo
cat >> .cargo/config.toml << EOF
[target.aarch64-unknown-linux-gnu]
linker = "aarch64-linux-gnu-gcc"
EOF
- name: Configure cross-compilation (ARMhf)
if: matrix.target == 'armv7-unknown-linux-gnueabihf'
run: |
mkdir -p .cargo
cat >> .cargo/config.toml << EOF
[target.armv7-unknown-linux-gnueabihf]
linker = "arm-linux-gnueabihf-gcc"
EOF
- name: Configure cross-compilation (RISC-V)
if: matrix.target == 'riscv64gc-unknown-linux-gnu'
run: |
mkdir -p .cargo
cat >> .cargo/config.toml << EOF
[target.riscv64gc-unknown-linux-gnu]
linker = "riscv64-linux-gnu-gcc"
EOF
- name: Cache cargo registry
uses: actions/cache@v4
with:
path: ~/.cargo/registry
key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
- name: Cache cargo index
uses: actions/cache@v4
with:
path: ~/.cargo/git
key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
- name: Cache target directory
uses: actions/cache@v4
with:
path: target
key: ${{ runner.os }}-target-${{ matrix.target }}-${{ hashFiles('**/Cargo.lock') }}
- name: Build socktop .deb package
run: |
cargo deb --package socktop --target ${{ matrix.target }} --no-strip
- name: Build socktop_agent .deb package (with GPU support)
if: matrix.target == 'x86_64-unknown-linux-gnu' || matrix.target == 'aarch64-unknown-linux-gnu'
run: |
cargo deb --package socktop_agent --target ${{ matrix.target }} --no-strip
- name: Build socktop_agent .deb package (without GPU support)
if: matrix.target == 'armv7-unknown-linux-gnueabihf' || matrix.target == 'riscv64gc-unknown-linux-gnu'
run: |
cargo deb --package socktop_agent --target ${{ matrix.target }} --no-strip --no-default-features
- name: Copy packages to debs directory
run: |
mkdir -p debs
cp target/${{ matrix.target }}/debian/*.deb debs/
- name: Enforce glibc floor (Debian 12 / RPi OS bookworm fleet)
run: |
# The fleet's oldest supported glibc. A .deb that demands newer libc6
# than this will not install on the Pis — fail HERE, not at apt time.
FLOOR="2.36"
fail=0
for deb in debs/*.deb; do
req=$(dpkg-deb -f "$deb" Depends | sed -n 's/.*libc6 (>= \([0-9.]*\)).*/\1/p' | head -1)
echo "$deb -> libc6 >= ${req:-none}"
if [ -n "$req" ] && [ "$(printf '%s\n' "$req" "$FLOOR" | sort -V | tail -1)" != "$FLOOR" ]; then
echo "::error::$deb requires libc6 >= $req, exceeding the fleet floor $FLOOR (bookworm). The build runner's glibc is too new — see the runs-on pin comment."
fail=1
fi
done
exit $fail
- name: List generated packages
run: ls -lh debs/
- name: Upload .deb packages as artifacts
uses: actions/upload-artifact@v4
with:
name: debian-packages-${{ matrix.arch }}
path: debs/*.deb
if-no-files-found: error
retention-days: 90
# Combine all artifacts into a single downloadable archive
combine-artifacts:
name: Combine all .deb packages
needs: build-deb
runs-on: ubuntu-latest
steps:
- name: Download AMD64 packages
uses: actions/download-artifact@v4
with:
name: debian-packages-amd64
path: all-debs
- name: Download ARM64 packages
uses: actions/download-artifact@v4
with:
name: debian-packages-arm64
path: all-debs
- name: Download ARMhf packages
uses: actions/download-artifact@v4
with:
name: debian-packages-armhf
path: all-debs
- name: Download RISC-V packages
uses: actions/download-artifact@v4
with:
name: debian-packages-riscv64
path: all-debs
- name: List all packages
run: |
echo "All generated .deb packages:"
ls -lh all-debs/
- name: Upload combined artifacts
uses: actions/upload-artifact@v4
with:
name: all-debian-packages
path: all-debs/*.deb
if-no-files-found: error
retention-days: 90
- name: Generate checksums
run: |
cd all-debs
sha256sum *.deb > SHA256SUMS
cat SHA256SUMS
- name: Upload checksums
uses: actions/upload-artifact@v4
with:
name: checksums
path: all-debs/SHA256SUMS
retention-days: 90
# Publish packages to gh-pages APT repository
publish-apt-repo:
name: Publish to APT Repository
needs: combine-artifacts
runs-on: ubuntu-latest
# Publish only on `v*` release tags — keep gh-pages stable between
# releases instead of overwriting same-version .debs on every commit.
if: startsWith(github.ref, 'refs/tags/v')
permissions:
contents: write
steps:
- name: Checkout code
uses: actions/checkout@v4
with:
fetch-depth: 0
- name: Download all packages
uses: actions/download-artifact@v4
with:
name: all-debian-packages
path: debs
- name: Install dependencies
run: |
sudo apt-get update
sudo apt-get install -y dpkg-dev gpg
- name: Checkout gh-pages branch
run: |
git fetch origin gh-pages:gh-pages || echo "gh-pages branch doesn't exist yet"
if git show-ref --verify --quiet refs/heads/gh-pages; then
git checkout gh-pages
else
git checkout --orphan gh-pages
git rm -rf . 2>/dev/null || true
# Create basic structure
mkdir -p dists/stable/main/{binary-amd64,binary-arm64,binary-armhf,binary-riscv64}
mkdir -p pool/main
fi
- name: Copy packages to pool
run: |
mkdir -p pool/main
cp debs/*.deb pool/main/
ls -lh pool/main/
- name: Generate Packages files
run: |
for arch in amd64 arm64 armhf riscv64; do
mkdir -p dists/stable/main/binary-$arch
dpkg-scanpackages --arch $arch pool/main /dev/null > dists/stable/main/binary-$arch/Packages 2>/dev/null || true
if [ -s dists/stable/main/binary-$arch/Packages ]; then
gzip -9 -k -f dists/stable/main/binary-$arch/Packages
echo "Generated Packages file for $arch"
fi
done
- name: Generate Release file
run: |
cat > dists/stable/Release << EOF
Origin: socktop
Label: socktop
Suite: stable
Codename: stable
Architectures: amd64 arm64 armhf riscv64
Components: main
Description: socktop APT repository
Date: $(date -Ru)
EOF
# Add MD5Sum
echo "MD5Sum:" >> dists/stable/Release
for arch in amd64 arm64 armhf riscv64; do
for file in dists/stable/main/binary-$arch/Packages*; do
if [ -f "$file" ]; then
md5sum "$file" | awk '{print " " $1, "'$(stat -c%s "$file" 2>/dev/null || stat -f%z "$file" 2>/dev/null)'", "'"${file#dists/stable/}"'"}' >> dists/stable/Release
fi
done
done
# Add SHA256
echo "SHA256:" >> dists/stable/Release
for arch in amd64 arm64 armhf riscv64; do
for file in dists/stable/main/binary-$arch/Packages*; do
if [ -f "$file" ]; then
sha256sum "$file" | awk '{print " " $1, "'$(stat -c%s "$file" 2>/dev/null || stat -f%z "$file" 2>/dev/null)'", "'"${file#dists/stable/}"'"}' >> dists/stable/Release
fi
done
done
- name: Set GPG available flag
id: check_gpg
env:
GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
run: |
if [ -n "$GPG_PRIVATE_KEY" ]; then
echo "available=true" >> $GITHUB_OUTPUT
else
echo "available=false" >> $GITHUB_OUTPUT
fi
- name: Import GPG key
if: steps.check_gpg.outputs.available == 'true'
env:
GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
run: |
echo "$GPG_PRIVATE_KEY" | gpg --batch --import
gpg --list-secret-keys
- name: Sign repository
if: steps.check_gpg.outputs.available == 'true'
env:
GPG_KEY_ID: ${{ secrets.GPG_KEY_ID }}
GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
run: |
if [ -n "$GPG_PASSPHRASE" ]; then
echo "$GPG_PASSPHRASE" | gpg --batch --yes --no-tty --pinentry-mode loopback --passphrase-fd 0 \
--default-key "$GPG_KEY_ID" \
-abs -o dists/stable/Release.gpg dists/stable/Release
echo "$GPG_PASSPHRASE" | gpg --batch --yes --no-tty --pinentry-mode loopback --passphrase-fd 0 \
--default-key "$GPG_KEY_ID" \
--clearsign -o dists/stable/InRelease dists/stable/Release
else
gpg --batch --yes --no-tty --pinentry-mode loopback \
--default-key "$GPG_KEY_ID" \
-abs -o dists/stable/Release.gpg dists/stable/Release
gpg --batch --yes --no-tty --pinentry-mode loopback \
--default-key "$GPG_KEY_ID" \
--clearsign -o dists/stable/InRelease dists/stable/Release
fi
gpg --armor --export "$GPG_KEY_ID" > KEY.gpg
echo "✓ Repository signed"
- name: Create unsigned repository notice
if: steps.check_gpg.outputs.available == 'false'
run: |
echo "⚠️ Warning: GPG_PRIVATE_KEY not set. Repository will be UNSIGNED."
echo "⚠️ Add GPG secrets to sign the repository automatically."
echo "To add secrets: Settings → Secrets and variables → Actions → Repository secrets"
- name: Copy index.html if exists
run: |
git checkout ${{ github.ref_name }} -- index.html 2>/dev/null || echo "No index.html in source branch"
- name: Commit and push to gh-pages
run: |
git config user.name "GitHub Actions"
git config user.email "actions@github.com"
git add .
if git diff --staged --quiet; then
echo "No changes to commit"
else
COMMIT_MSG="Update APT repository"
if [[ "${{ github.ref }}" == refs/tags/* ]]; then
COMMIT_MSG="$COMMIT_MSG - Release ${{ github.ref_name }}"
else
COMMIT_MSG="$COMMIT_MSG - $(date -u +'%Y-%m-%d %H:%M:%S UTC')"
fi
git commit -m "$COMMIT_MSG"
git push origin gh-pages
echo "✓ Published to gh-pages"
fi
# Optional: Create a release with the .deb files if this is a tag
create-release:
name: Create GitHub Release
needs: combine-artifacts
runs-on: ubuntu-latest
if: startsWith(github.ref, 'refs/tags/v')
permissions:
contents: write
steps:
- name: Download all packages
uses: actions/download-artifact@v4
with:
name: all-debian-packages
path: release-debs
- name: Download checksums
uses: actions/download-artifact@v4
with:
name: checksums
path: release-debs
- name: Create Release
uses: softprops/action-gh-release@v1
with:
files: release-debs/*
draft: false
prerelease: false
generate_release_notes: true
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-129
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@@ -1,129 +0,0 @@
name: CI
on:
push:
pull_request:
jobs:
build:
runs-on: ${{ matrix.os }}
strategy:
matrix:
os: [ubuntu-latest, windows-latest]
steps:
- uses: actions/checkout@v4
- uses: dtolnay/rust-toolchain@stable
with:
components: clippy, rustfmt
- name: Install system dependencies (Linux)
if: matrix.os == 'ubuntu-latest'
run: sudo apt-get update && sudo apt-get install -y libdrm-dev libdrm-amdgpu1
- name: Cargo fmt
run: cargo fmt --all -- --check
- name: Clippy
run: cargo clippy --all-targets --all-features -- -D warnings
- name: Build (release)
run: cargo build --release --workspace
- name: "Linux: start agent and run WS probe"
if: matrix.os == 'ubuntu-latest'
shell: bash
run: |
set -euo pipefail
RUST_LOG=info SOCKTOP_ENABLE_SSL=0 SOCKTOP_AGENT_GPU=0 SOCKTOP_AGENT_TEMP=0 ./target/release/socktop_agent -p 3000 > agent.log 2>&1 &
AGENT_PID=$!
for i in {1..60}; do
if curl -fsS http://127.0.0.1:3000/healthz >/dev/null; then break; fi
sleep 1
done
if ! curl -fsS http://127.0.0.1:3000/healthz >/dev/null; then
echo "--- agent.log (tail) ---"
tail -n 200 agent.log || true
(command -v ss >/dev/null && ss -ltnp || netstat -ltnp) || true
kill $AGENT_PID || true
exit 1
fi
SOCKTOP_WS=ws://127.0.0.1:3000/ws cargo test -p socktop_connector --test integration_test -- --nocapture
kill $AGENT_PID || true
- name: "Windows: start agent and run WS probe"
if: matrix.os == 'windows-latest'
shell: pwsh
run: |
$env:SOCKTOP_ENABLE_SSL = "0"
$env:SOCKTOP_AGENT_GPU = "0"
$env:SOCKTOP_AGENT_TEMP = "0"
$out = Join-Path $PWD "agent.out.txt"
$err = Join-Path $PWD "agent.err.txt"
$p = Start-Process -FilePath "${PWD}\target\release\socktop_agent.exe" -ArgumentList "-p 3000" -RedirectStandardOutput $out -RedirectStandardError $err -PassThru -NoNewWindow
$ready = $false
for ($i = 0; $i -lt 60; $i++) {
$pinfo = New-Object System.Diagnostics.ProcessStartInfo
$pinfo.FileName = "curl.exe"
$pinfo.Arguments = "-fsS http://127.0.0.1:3000/healthz"
$pinfo.RedirectStandardOutput = $true
$pinfo.RedirectStandardError = $true
$pinfo.UseShellExecute = $false
$proc = [System.Diagnostics.Process]::Start($pinfo)
$proc.WaitForExit()
if ($proc.ExitCode -eq 0) { $ready = $true; break }
Start-Sleep -Seconds 1
}
if (-not $ready) {
Write-Warning "TCP connect to (127.0.0.1 : 3000) failed"
if (Test-Path $out) { Write-Host "--- agent.out (full) ---"; Get-Content $out }
if (Test-Path $err) { Write-Host "--- agent.err (full) ---"; Get-Content $err }
Write-Host "--- netstat ---"
netstat -ano | Select-String ":3000" | ForEach-Object { $_.Line }
if ($p -and !$p.HasExited) { Stop-Process -Id $p.Id -Force -ErrorAction SilentlyContinue }
throw "agent did not become ready"
}
$env:SOCKTOP_WS = "ws://127.0.0.1:3000/ws"
try {
cargo test -p socktop_connector --test integration_test -- --nocapture
} finally {
if ($p -and !$p.HasExited) { Stop-Process -Id $p.Id -Force -ErrorAction SilentlyContinue }
}
- name: Smoke test (client --help)
run: cargo run -p socktop -- --help
- name: Package artifacts (Linux)
if: matrix.os == 'ubuntu-latest'
shell: bash
run: |
set -e
mkdir -p dist
cp target/release/socktop dist/
cp target/release/socktop_agent dist/
tar czf socktop-${{ matrix.os }}.tar.gz -C dist .
- name: Package artifacts (Windows)
if: matrix.os == 'windows-latest'
shell: pwsh
run: |
New-Item -ItemType Directory -Force -Path dist | Out-Null
Copy-Item target\release\socktop.exe dist\
Copy-Item target\release\socktop_agent.exe dist\
Compress-Archive -Path dist\* -DestinationPath socktop-${{ matrix.os }}.zip -Force
- name: Upload build artifacts (ephemeral)
uses: actions/upload-artifact@v4
with:
name: socktop-${{ matrix.os }}
path: |
*.tar.gz
*.zip
- name: Upload to rolling GitHub Release (main only)
if: github.ref == 'refs/heads/main' && github.event_name == 'push'
uses: softprops/action-gh-release@v2
with:
tag_name: latest
name: Latest build
prerelease: true
draft: false
files: |
*.tar.gz
*.zip
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-17
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@@ -1,17 +0,0 @@
# Any crate's build directory, including standalone sub-crates
# (zellij_socktop_plugin, socktop_wasm_test) that live outside the workspace.
target/
.vscode/
/.cargo/
# Documentation files from development sessions (context-specific, not for public repo)
/OPTIMIZATION_PROCESS_DETAILS.md
/THREAD_SUPPORT.md
# APT Repository - Safety: Never commit private keys!
*.asc
*-private.key
*-secret.key
gpg-private-backup.key
secring.gpg
# Note: Release.gpg, InRelease, and KEY.gpg (public) ARE safe to commit
+423
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@@ -0,0 +1,423 @@
# APT Repository Setup Summary
## 🎉 What You Now Have
You now have a complete system for creating and hosting your own APT repository for socktop packages, **without needing a sponsor or official Debian/Ubuntu approval**.
## 📁 Files Created
### Scripts (in `scripts/`)
- **`init-apt-repo.sh`** - Initializes the APT repository directory structure
- **`add-package-to-repo.sh`** - Adds .deb packages to the repository and generates metadata
- **`sign-apt-repo.sh`** - Signs the repository with your GPG key
- **`setup-apt-repo.sh`** - All-in-one interactive wizard to set everything up
### Documentation
- **`QUICK_START_APT_REPO.md`** - Quick start guide (< 10 minutes)
- **`docs/APT_REPOSITORY.md`** - Comprehensive 600+ line guide covering everything
- **`APT_REPO_SUMMARY.md`** - This file
### GitHub Actions
- **`.github/workflows/publish-apt-repo.yml`** - Automated building, signing, and publishing
## 🚀 Quick Start (Choose One)
### Option 1: Interactive Setup (Recommended for First Time)
Run the setup wizard:
```bash
./scripts/setup-apt-repo.sh
```
This walks you through:
1. ✅ Checking prerequisites
2. 🔑 Setting up GPG key
3. 📦 Finding/building packages
4. 📝 Creating repository structure
5. ✍️ Signing the repository
6. 📋 Next steps to publish to gh-pages
### Option 2: Manual Step-by-Step
```bash
# 1. Initialize
./scripts/init-apt-repo.sh
# 2. Build packages
cargo deb --package socktop
cargo deb --package socktop_agent
# 3. Add packages
./scripts/add-package-to-repo.sh target/debian/socktop_*.deb
./scripts/add-package-to-repo.sh target/debian/socktop-agent_*.deb
# 4. Sign (replace YOUR-KEY-ID)
./scripts/sign-apt-repo.sh apt-repo stable YOUR-KEY-ID
# 5. Update URLs
sed -i 's/YOUR-USERNAME/your-github-username/g' apt-repo/*.{md,html}
# 6. Publish to gh-pages (see below)
```
### Option 3: Fully Automated (After Initial Setup)
Once gh-pages branch exists, just tag releases:
```bash
git tag v1.50.0
git push --tags
# GitHub Actions will:
# - Build packages for AMD64 and ARM64
# - Update APT repository
# - Sign with your GPG key
# - Push to gh-pages branch automatically
```
## 📤 Publishing to GitHub Pages (gh-pages branch)
**Why gh-pages branch?**
- ✅ Keeps main branch clean (source code only)
- ✅ Separate branch for published content
- ✅ GitHub Actions can auto-update it
- ✅ You can customize the landing page
**Initial Setup:**
```bash
# Create gh-pages branch
git checkout --orphan gh-pages
git rm -rf .
# Copy apt-repo CONTENTS to root (not the folder!)
cp -r apt-repo/* .
rm -rf apt-repo
# Commit and push
git add .
git commit -m "Initialize APT repository"
git push -u origin gh-pages
# Return to main
git checkout main
```
**Enable in GitHub:**
1. Settings → Pages
2. Source: **gh-pages****/ (root)**
3. Save
Your repo will be at: `https://your-username.github.io/socktop/`
**Note:** GitHub Pages only allows `/` (root) or `/docs`. Since we use gh-pages branch, contents go in the root of that branch.
See `SETUP_GITHUB_PAGES.md` for detailed step-by-step instructions.
### Alternative: Self-Hosted Server
Copy `apt-repo/` contents to your web server:
```bash
rsync -avz apt-repo/ user@example.com:/var/www/apt/
```
Configure Apache/Nginx to serve the directory. See `docs/APT_REPOSITORY.md` for details.
## 🤖 GitHub Actions Automation
### Required Secrets
Add these in GitHub Settings → Secrets → Actions:
1. **GPG_PRIVATE_KEY**
```bash
gpg --armor --export-secret-key YOUR-KEY-ID
# Copy entire output including BEGIN/END lines
```
2. **GPG_KEY_ID**
```bash
gpg --list-secret-keys --keyid-format LONG
# Use the ID after "rsa4096/"
```
3. **GPG_PASSPHRASE**
```bash
# Your GPG passphrase (leave empty if no passphrase)
```
### Triggers
The workflow runs on:
- **Version tags**: `git tag v1.50.0 && git push --tags`
- **Manual dispatch**: Actions tab → "Publish APT Repository" → Run workflow
### What It Does
1. ✅ Builds packages for AMD64 and ARM64
2. ✅ Initializes or updates APT repository
3. ✅ Generates Packages files and metadata
4. ✅ Signs with your GPG key
5. ✅ Commits and pushes to gh-pages branch
6. ✅ Creates GitHub Release with artifacts
7. ✅ Generates summary with installation instructions
## 👥 User Installation
Once published, users install with:
```bash
# Add repository
curl -fsSL https://your-username.github.io/socktop/KEY.gpg | \
sudo gpg --dearmor -o /usr/share/keyrings/socktop-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/socktop-archive-keyring.gpg] https://your-username.github.io/socktop stable main" | \
sudo tee /etc/apt/sources.list.d/socktop.list
# Install
sudo apt update
sudo apt install socktop socktop-agent
# The agent service is automatically installed and configured
sudo systemctl enable --now socktop-agent
```
## 🔧 Maintenance
### Release New Version (Automated)
```bash
# Update version in Cargo.toml, commit changes
git add . && git commit -m "Bump version to 1.51.0"
git tag v1.51.0
git push origin main --tags
# GitHub Actions automatically:
# - Builds packages for AMD64 and ARM64
# - Updates apt-repo
# - Signs with GPG
# - Pushes to gh-pages branch
```
### Manual Update (if needed)
```bash
# On main branch
cargo deb --package socktop
./scripts/add-package-to-repo.sh target/debian/socktop_*.deb
./scripts/sign-apt-repo.sh
# Switch to gh-pages and update
git checkout gh-pages
cp -r apt-repo/* .
git add . && git commit -m "Release v1.51.0" && git push
git checkout main
```
### Remove Old Versions
```bash
# On gh-pages branch
git checkout gh-pages
rm pool/main/socktop_1.50.0_*.deb
# Regenerate metadata (re-add remaining packages)
git add . && git commit -m "Remove old versions" && git push
git checkout main
```
## 🎯 Key Benefits
✅ **No sponsor needed** - Host your own repository
✅ **Full control** - You decide when to release
✅ **Free hosting** - GitHub Pages at no cost
✅ **Automated** - GitHub Actions does the work
✅ **Professional** - Just like official repos
✅ **Multi-arch** - AMD64, ARM64 support built-in
✅ **Secure** - GPG signed packages
✅ **Easy updates** - Users get updates via `apt upgrade`
## 📊 Repository Structure
```
apt-repo/
├── dists/
│ └── stable/
│ ├── Release # Main metadata (checksums)
│ ├── Release.gpg # Detached signature
│ ├── InRelease # Clearsigned release
│ └── main/
│ ├── binary-amd64/
│ │ ├── Packages # Package list
│ │ ├── Packages.gz # Compressed
│ │ └── Release # Component metadata
│ ├── binary-arm64/
│ └── binary-armhf/
├── pool/
│ └── main/
│ ├── socktop_1.50.0_amd64.deb
│ ├── socktop-agent_1.50.1_amd64.deb
│ ├── socktop_1.50.0_arm64.deb
│ └── socktop-agent_1.50.1_arm64.deb
├── KEY.gpg # Public GPG key
├── README.md # Repository info
├── index.html # Web interface
└── packages.html # Package listing
```
## 🔑 GPG Key Management
### Create New Key
```bash
gpg --full-generate-key
# Choose RSA 4096, no expiration (or 2 years)
```
### Export Keys
```bash
# Public key (for users)
gpg --armor --export YOUR-KEY-ID > KEY.gpg
# Private key (for GitHub Secrets)
gpg --armor --export-secret-key YOUR-KEY-ID
```
### Backup Keys
```bash
# Backup to safe location
gpg --export-secret-keys YOUR-KEY-ID > gpg-private-backup.key
gpg --export YOUR-KEY-ID > gpg-public-backup.key
```
### Key Rotation
If your key expires or is compromised:
```bash
./scripts/sign-apt-repo.sh apt-repo stable NEW-KEY-ID
gpg --armor --export NEW-KEY-ID > apt-repo/KEY.gpg
# Users need to re-import the key
```
## 🐛 Troubleshooting
### "Repository not signed"
```bash
./scripts/sign-apt-repo.sh apt-repo stable YOUR-KEY-ID
ls apt-repo/dists/stable/Release* # Should show 3 files
```
### "Package not found"
```bash
cd apt-repo
dpkg-scanpackages --arch amd64 pool/main /dev/null > dists/stable/main/binary-amd64/Packages
gzip -9 -k -f dists/stable/main/binary-amd64/Packages
cd ..
./scripts/sign-apt-repo.sh
```
### "404 Not Found" on GitHub Pages
- Wait 2-3 minutes after pushing
- Check Settings → Pages is enabled
- Verify source branch/directory
### GitHub Actions not signing
- Check all 3 secrets are set correctly
- GPG_PRIVATE_KEY must include BEGIN/END lines
- Test signing locally first
## 📚 Documentation
| File | Purpose | Length |
|------|---------|--------|
| `QUICK_START_APT_REPO.md` | Get started in < 10 minutes | Quick |
| `SETUP_GITHUB_PAGES.md` | Detailed gh-pages setup guide | Step-by-step |
| `docs/APT_REPOSITORY.md` | Complete guide with all options | Comprehensive |
| `docs/DEBIAN_PACKAGING.md` | How .deb packages are built | Technical |
| `DEBIAN_PACKAGING_SUMMARY.md` | Overview of packaging work | Summary |
| `APT_REPO_SUMMARY.md` | This file | Overview |
## 🎓 Learning Path
1. **Start here**: `QUICK_START_APT_REPO.md` (10 min)
2. **Set up**: Run `./scripts/setup-apt-repo.sh` (15 min)
3. **Publish**: Follow `SETUP_GITHUB_PAGES.md` (5 min)
4. **Automate**: Set up GitHub Actions secrets (10 min)
5. **Advanced**: Read `docs/APT_REPOSITORY.md` as needed
## 🚦 Next Steps
Choose your path:
### Just Getting Started?
1. ✅ Read `QUICK_START_APT_REPO.md`
2. ✅ Run `./scripts/setup-apt-repo.sh`
3. ✅ Follow `SETUP_GITHUB_PAGES.md` to publish
4. ✅ Test installation on a VM
### Want Automation?
1. ✅ Generate/export GPG key
2. ✅ Add GitHub Secrets
3. ✅ Tag a release: `git tag v1.50.0 && git push --tags`
4. ✅ Watch GitHub Actions magic happen
### Want to Understand Everything?
1. ✅ Read `docs/APT_REPOSITORY.md` (comprehensive)
2. ✅ Study the scripts in `scripts/`
3. ✅ Examine `.github/workflows/publish-apt-repo.yml`
4. ✅ Learn about Debian repository format
### Ready for Production?
1. ✅ Set up monitoring/analytics
2. ✅ Create PPA for Ubuntu (Launchpad)
3. ✅ Apply to Debian mentors for official inclusion
4. ✅ Set up repository mirrors
5. ✅ Document best practices for users
## 🌟 Success Criteria
You'll know you're successful when:
- [ ] Users can `apt install socktop`
- [ ] Updates work with `apt upgrade`
- [ ] Multiple architectures supported
- [ ] Repository is GPG signed
- [ ] GitHub Actions publishes automatically
- [ ] Installation instructions in README
- [ ] Zero sponsor or approval needed
## 💡 Pro Tips
1. **Test first**: Always test on a fresh VM before publishing
2. **Keep versions**: Don't delete old .deb files immediately
3. **Backup GPG key**: Store it safely offline
4. **Monitor downloads**: Use GitHub Insights or server logs
5. **Document everything**: Help users troubleshoot
6. **Version consistently**: Use semantic versioning
7. **Sign always**: Never publish unsigned repositories
## 🔗 Resources
- [Debian Repository Format](https://wiki.debian.org/DebianRepository/Format)
- [GitHub Pages Docs](https://docs.github.com/en/pages)
- [cargo-deb](https://github.com/kornelski/cargo-deb)
- [Ubuntu PPA Guide](https://help.launchpad.net/Packaging/PPA)
- [Debian Mentors](https://mentors.debian.net/)
## 🎊 Congratulations!
You now have everything you need to:
- ✅ Create your own APT repository
- ✅ Host it for free on GitHub Pages
- ✅ Automate the entire process
- ✅ Distribute packages professionally
- ✅ Provide easy installation for users
**No sponsor required. No approval needed. You're in control!** 🚀
---
**Questions?** Check the docs or open an issue.
**Ready to publish?** Run `./scripts/setup-apt-repo.sh` and follow the wizard!
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# Changelog
## Unreleased
### TUI
- **`--no-kill` flag and `SOCKTOP_NO_KILL` env var** disable the local
process-kill feature regardless of agent locality, for shared terminals and
public demos (e.g. the socktop.io webterm). Either one forces the feature
off and suppresses the `t` kill hints; the env var covers every socktop
invocation under a deployment without touching command lines. `App`'s
builder renamed `with_local``with_kill_enabled` to match what it now
means (locality fact AND policy).
## 1.60.1 — unreleased
Identical to 1.60.0 plus rebuilt Debian packages: the 1.60.0 debs were linked
against glibc 2.39 (a GitHub runner migration) and would not install on
Debian 12 / Raspberry Pi OS bookworm. CI now pins the build environment and
gates every package against the fleet's glibc floor. 1.60.0 was never
published to crates.io.
Everything since `v1.50.0`. Applies to all three crates (`socktop`, `socktop_agent`, `socktop_connector`), which move to 1.60.1 together.
### Security
- **Certificate pinning is now real.** With `--verify-hostname` off (the default), the client previously accepted *any* server certificate — the `--tls-ca` file was never consulted. The presented certificate must now be byte-identical to one in the pinned PEM (multi-cert files supported for rotation). If you use TLS, update the client: earlier versions are MITM-able despite the pinning documentation. (housekeeping-p2)
- `key.pem` is created with mode 0600 (was world-readable 0644); agents also tighten existing keys on startup. (housekeeping-p2)
- The agent's per-PID caches now evict (60s age / 64 entries); previously they grew without bound. (housekeeping-p2)
### Performance
- Agent CPU on GPU machines cut ~6× (measured 23.5 → 4.0 ms/s at default polling): GPU collection moved to a dedicated worker thread that keeps the NVML session open instead of re-initializing it every 1.5 s on the async runtime. (housekeeping-p2)
- `journalctl` no longer blocks the agent's async workers. (housekeeping-p2)
- Cached "no temp sensor / no GPU" results count as fresh — no more per-request rescans on hosts without them. (housekeeping-p2)
- Nagle disabled on all connection paths (small request/response frames). (housekeeping-p2)
### TUI
- **Compact layout for small windows**: when the window is too short for the Disks pane, Disks is dropped, Memory/Swap go side by side, GPU collapses to one line (omitted if absent), and the reclaimed rows keep the CPU graph and per-core bars visible. `--compact` pins it. (#37)
- **Width-aware text**: header, CPU title, and process table shed detail by priority as the terminal narrows instead of overwriting each other; process Name column is now the last to go, not the first. Fixed sort-header clicks landing up to 4 columns off. (#38)
- **Responsive input**: keys and mouse are handled within ~30 ms instead of queueing for a full metrics interval. (housekeeping-p2)
- **No more freezes**: all requests carry a 5 s timeout; a dead connection shows the reconnect modal (with working `q`) instead of hanging the UI. Consecutive timeouts surface a persistent "agent not responding" error. (housekeeping-p2)
- Old agents without the per-process endpoints once again show "Agent Update Required" instead of a reconnect loop. (housekeeping-p2)
- Journal pane distinguishes "no entries" from "no journal access" (e.g. user-run/demo agents) and shows journalctl's hint plus the fix. (housekeeping-p2)
- Scatter-plot axes align correctly for large CPU-time values. (housekeeping-p2)
- Demo mode explains how to install `socktop_agent` when the binary is missing. (#36)
### Correctness
- Process/child CPU times were sent as ms but displayed as µs — values rendered 1000× too small in the details modal. (housekeeping-p2)
- Non-Linux per-process CPU% no longer truncates multi-core usage (clamp after divide). (housekeeping-p2)
- Journal timestamps are real RFC 3339 UTC with numeric sorting (additive `timestamp_us`). (housekeeping-p2)
- Partition detection uses `/sys/block` on Linux — whole-disk filesystems (`nvme0n1`, `zram1`) are no longer misclassified as partitions. (housekeeping-p2)
- Network rates use agent-side sample timestamps (additive `sampled_at_ms`), eliminating rate sawtooth from TTL-cached snapshots; falls back to the client clock with older agents. (housekeeping-p2)
- The details modal's Command/exe/cwd fields are populated again (dropped by an earlier refresh optimization). (housekeeping-p2)
- Non-ASCII device names no longer panic the disk pane. (housekeeping-p2)
### Wire format (additive only — old/new client-agent pairs keep working)
- `Metrics.sampled_at_ms` (epoch ms of actual collection)
- `JournalEntry.timestamp_us` (epoch µs), `JournalEntry.timestamp` now RFC 3339
- `JournalResponse.notice` (journal-access hint)
### Internal / packaging
- ratatui 0.28 → 0.30 (#33); aws-lc-rs advisories patched (#34); Debian packaging for the agent (#25); assorted dependabot bumps.
- ~3,100 lines of dead code removed, including an orphaned pre-refactor copy of the connector.
- `socktop` consumes `socktop_connector` via a path+version dep — connector changes are testable in-repo before publishing.
- wasm examples build against the in-repo connector; note `zellij_socktop_plugin` has pre-existing compile errors and needs its own rework.
### Process kill (PR #40)
- **Kill a local process from the TUI** (`t` on a selected process, or inside Process Details): btop-style Terminate/Force-kill confirmation. Local agents only — the signal is sent by socktop itself with its own privileges, never over the wire; remote agents never show the option. PID-reuse guarded (the confirmed name must still own the PID at signal time).
- **Agent no longer reports dead processes**: a long-lived sysinfo `System` accumulated every process ever seen (21k+ entries on a 289-process host), inflating memory, per-poll work, and the process count — and keeping killed processes on screen forever. Update agent and client together on machines where the kill feature will be used.
- Killed rows leave the list when the process actually exits and cannot be resurrected by cached agent snapshots; details views for dead processes close themselves, including through parent-navigation chains.
- Selection hint no longer vanishes for long process names; confirmation/info dialogs size to their content.
### Upgrade notes
- **Release/publish order**: `socktop_connector``socktop` → agent packages.
- Clients older than 1.60 work against 1.60 agents and vice versa; the security fix is client-side, so prioritize client updates where TLS is used.
Generated
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[workspace]
resolver = "2"
members = [
"socktop",
"socktop_agent",
"socktop_connector"
]
[workspace.dependencies]
# async + streams
tokio = { version = "1", features = ["full"] }
futures-util = "0.3"
anyhow = "1.0"
# websocket
tokio-tungstenite = { version = "0.24", features = ["__rustls-tls", "connect"] }
url = "2.5"
# JSON + error handling
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
# system stats (align across crates)
sysinfo = "0.37"
# CLI UI
ratatui = "0.30"
crossterm = "0.29"
unicode-width = "0.2"
# web server (remote-agent)
axum = { version = "0.7", features = ["ws"] }
# protobuf
prost = "0.13"
dirs-next = "2"
# compression
flate2 = "1.0"
# TLS
rustls = { version = "0.23", features = ["ring"] }
rustls-pemfile = "2.1"
[profile.release]
# Favor smaller, simpler binaries with good runtime perf
lto = "thin"
codegen-units = 1
panic = "abort"
opt-level = 3
strip = "symbols"
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# Debian Packaging Implementation Summary
## Overview
Successfully implemented Debian packaging for socktop using `cargo-deb`, with GitHub Actions automation for building packages for both AMD64 and ARM64 architectures.
## Branches Created
1. **`feature/debian-packaging`** - Main branch with debian packaging implementation
2. **`feature/man-pages`** - Separate branch for man pages work (to be researched further)
## What Was Added
### 1. Cargo.toml Updates
Both `socktop/Cargo.toml` and `socktop_agent/Cargo.toml` were updated with:
- `[package.metadata.deb]` sections
- Package metadata (maintainer, description, dependencies)
- Asset definitions (binaries, documentation)
- Systemd service configuration (agent only)
### 2. Systemd Service
**File**: `socktop_agent/socktop-agent.service`
- Runs as `socktop` user/group
- Listens on port 3000 by default
- Security hardening enabled
- Disabled by default (user must explicitly enable)
### 3. Maintainer Scripts
**Directory**: `socktop_agent/debian/`
- **`postinst`**: Creates `socktop` user/group, sets up `/var/lib/socktop` directory
- **`postrm`**: Cleanup on package removal/purge
### 4. GitHub Actions Workflow
**File**: `.github/workflows/build-deb.yml`
Features:
- Builds for both x86_64 and ARM64
- Triggered on:
- Push to `master` or `feature/debian-packaging`
- Pull requests to `master`
- Version tags (v*)
- Manual workflow dispatch
- Creates artifacts:
- `debian-packages-amd64`
- `debian-packages-arm64`
- `all-debian-packages` (combined)
- `checksums` (SHA256SUMS)
- Automatic GitHub releases for version tags
### 5. Documentation
**File**: `docs/DEBIAN_PACKAGING.md`
Comprehensive guide covering:
- Building packages locally
- Cross-compilation for ARM64
- Installation and configuration
- Using GitHub Actions artifacts
- Creating local APT repositories
- Troubleshooting
## Package Details
### socktop (TUI Client)
- **Binary**: `/usr/bin/socktop`
- **Size**: ~3.5 MB (x86_64)
- **Dependencies**: Auto-detected
### socktop_agent (Daemon)
- **Binary**: `/usr/bin/socktop_agent`
- **Service**: `socktop-agent.service`
- **User/Group**: `socktop` (created automatically)
- **State directory**: `/var/lib/socktop`
- **Size**: ~6.7 MB (x86_64)
- **Dependencies**: Auto-detected
## Testing
Both packages successfully built locally:
```
✓ socktop_1.50.0-1_amd64.deb
✓ socktop-agent_1.50.1-1_amd64.deb
```
Verified:
- Package contents (dpkg -c)
- Package metadata (dpkg -I)
- Systemd service file inclusion
- Maintainer scripts inclusion
- Documentation inclusion
## Usage
### For Users
Download pre-built packages from GitHub Actions artifacts:
1. Go to Actions tab
2. Select latest "Build Debian Packages" run
3. Download architecture-specific artifact
4. Install: `sudo dpkg -i socktop*.deb`
### For Developers
Build locally:
```bash
cargo install cargo-deb
cargo deb --package socktop
cargo deb --package socktop_agent
```
Cross-compile for ARM64:
```bash
rustup target add aarch64-unknown-linux-gnu
sudo apt install gcc-aarch64-linux-gnu libc6-dev-arm64-cross
cargo deb --package socktop --target aarch64-unknown-linux-gnu
```
## Next Steps
To get packages in official APT repositories:
1. **Short term**: Host packages on GitHub Releases (automated)
2. **Medium term**: Create PPA for Ubuntu users
3. **Long term**: Submit to Debian/Ubuntu official repositories
## Files Modified/Created
```
Modified:
socktop/Cargo.toml
socktop_agent/Cargo.toml
Created:
.github/workflows/build-deb.yml
docs/DEBIAN_PACKAGING.md
socktop_agent/socktop-agent.service
socktop_agent/debian/postinst
socktop_agent/debian/postrm
```
## Commit
```
532ed16 Add Debian packaging support with cargo-deb
```
## Resources
- [cargo-deb documentation](https://github.com/kornelski/cargo-deb)
- [Debian Policy Manual](https://www.debian.org/doc/debian-policy/)
- Full documentation in `docs/DEBIAN_PACKAGING.md`
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# 🚀 Get Your APT Repository Live in 5 Minutes
## You're Here Because...
You want to publish socktop packages via APT, but GitHub Pages won't let you select `apt-repo/` folder. Here's why and how to fix it:
**The Issue:** GitHub Pages only serves from `/` (root) or `/docs`, not custom folders like `/apt-repo`.
**The Solution:** Use a `gh-pages` branch where `apt-repo` contents go in the root.
## Quick Setup (5 Steps)
### 1. Create apt-repo locally (if you haven't)
```bash
./scripts/setup-apt-repo.sh
```
This creates `apt-repo/` with your packages and signs them.
### 2. Create gh-pages branch
```bash
git checkout --orphan gh-pages
git rm -rf .
```
### 3. Copy apt-repo to root
```bash
cp -r apt-repo/* .
rm -rf apt-repo
ls
# You should see: dists/ pool/ KEY.gpg index.html README.md
```
### 4. Push to GitHub
```bash
git add .
git commit -m "Initialize APT repository"
git push -u origin gh-pages
git checkout main
```
### 5. Enable GitHub Pages
1. Go to: **Settings → Pages**
2. Source: **gh-pages****/ (root)**
3. Click **Save**
**Done!** ✅ Your repo will be live at `https://your-username.github.io/socktop/` in 1-2 minutes.
## Test It
```bash
curl -I https://your-username.github.io/socktop/KEY.gpg
# Should return: HTTP/2 200
```
## Install It (On Any Debian/Ubuntu System)
```bash
curl -fsSL https://your-username.github.io/socktop/KEY.gpg | \
sudo gpg --dearmor -o /usr/share/keyrings/socktop-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/socktop-archive-keyring.gpg] https://your-username.github.io/socktop stable main" | \
sudo tee /etc/apt/sources.list.d/socktop.list
sudo apt update
sudo apt install socktop socktop-agent
```
## What's Next?
### Now (Optional):
- Customize `index.html` on gh-pages for a nice landing page
- Add installation instructions to your main README
### Later:
- Set up GitHub Actions automation (see `QUICK_START_APT_REPO.md`)
- Add more architectures (ARM64, ARMv7)
## Understanding the Setup
```
main branch: gh-pages branch:
├── src/ ├── dists/
├── Cargo.toml ├── pool/
├── scripts/ ├── KEY.gpg
└── apt-repo/ (local) └── index.html ← GitHub Pages serves this
Work here ↑ Published here ↑
```
- **main**: Your development work
- **gh-pages**: What users see/download
- **apt-repo/**: Local folder (ignored in git, see `.gitignore`)
## Need More Help?
- **Quick start**: `QUICK_START_APT_REPO.md`
- **Detailed setup**: `SETUP_GITHUB_PAGES.md`
- **Why gh-pages?**: `WHY_GHPAGES_BRANCH.md`
- **Full guide**: `docs/APT_REPOSITORY.md`
---
**You got this!** 🎉
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MIT License
Copyright (c) 2026 Witty One Off
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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# Quick Start: Setting Up Your socktop APT Repository
This guide will get your APT repository up and running in **under 10 minutes**.
## Prerequisites
- [ ] Debian packages built (or use GitHub Actions to build them)
- [ ] GPG key for signing
- [ ] GitHub repository with Pages enabled
## Step 1: Create GPG Key (if needed)
```bash
# Generate a new key
gpg --full-generate-key
# Select:
# - RSA and RSA (default)
# - 4096 bits
# - Key does not expire (or 2 years)
# - Your name and email
# Get your key ID
gpg --list-secret-keys --keyid-format LONG
# Look for the part after "rsa4096/" - that's your KEY-ID
```
## Step 2: Initialize Repository Locally
```bash
cd socktop
# Create the repository structure
./scripts/init-apt-repo.sh
# Build packages (or download from GitHub Actions)
cargo install cargo-deb
cargo deb --package socktop
cargo deb --package socktop_agent
# Add packages to repository
./scripts/add-package-to-repo.sh target/debian/socktop_*.deb
./scripts/add-package-to-repo.sh target/debian/socktop-agent_*.deb
# Sign the repository (replace YOUR-KEY-ID with actual key ID)
./scripts/sign-apt-repo.sh apt-repo stable YOUR-KEY-ID
# Update URLs with your GitHub username
sed -i 's/YOUR-USERNAME/your-github-username/g' apt-repo/README.md apt-repo/index.html
```
## Step 3: Publish to GitHub Pages (gh-pages branch)
```bash
# Create gh-pages branch
git checkout --orphan gh-pages
git rm -rf .
# Copy apt-repo CONTENTS to root (not the folder itself)
cp -r apt-repo/* .
rm -rf apt-repo
# Commit and push
git add .
git commit -m "Initialize APT repository"
git push -u origin gh-pages
# Go back to main branch
git checkout main
```
Then in GitHub:
1. Go to **Settings → Pages**
2. Source: **Deploy from a branch**
3. Branch: **gh-pages****/ (root)** → **Save**
Wait 1-2 minutes, then visit: `https://your-username.github.io/socktop/`
## Step 4: Automate with GitHub Actions
Add these secrets to your repository (Settings → Secrets → Actions):
```bash
# Export your private key
gpg --armor --export-secret-key YOUR-KEY-ID
# Copy the ENTIRE output and save as secret: GPG_PRIVATE_KEY
```
Add these three secrets:
- **GPG_PRIVATE_KEY**: Your exported private key
- **GPG_KEY_ID**: Your key ID (e.g., `ABC123DEF456`)
- **GPG_PASSPHRASE**: Your key passphrase (leave empty if no passphrase)
The workflow in `.github/workflows/publish-apt-repo.yml` will now:
- Build packages for AMD64 and ARM64
- Update the APT repository
- Sign with your GPG key
- Push to gh-pages automatically
Trigger it by:
- Creating a version tag: `git tag v1.50.0 && git push --tags`
- Manual dispatch from GitHub Actions tab
## Step 5: Test It
On any Debian/Ubuntu system:
```bash
# Add your repository
curl -fsSL https://your-username.github.io/socktop/KEY.gpg | \
sudo gpg --dearmor -o /usr/share/keyrings/socktop-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/socktop-archive-keyring.gpg] https://your-username.github.io/socktop stable main" | \
sudo tee /etc/apt/sources.list.d/socktop.list
# Install
sudo apt update
sudo apt install socktop socktop-agent
# Verify
socktop --version
socktop_agent --version
```
## Maintenance
### Add a New Version
```bash
# Build new packages
cargo deb --package socktop
cargo deb --package socktop_agent
# Add to repository
./scripts/add-package-to-repo.sh target/debian/socktop_*.deb
./scripts/add-package-to-repo.sh target/debian/socktop-agent_*.deb
# Re-sign
./scripts/sign-apt-repo.sh apt-repo stable YOUR-KEY-ID
# Publish
cd docs/apt # or wherever your apt-repo is
git add .
git commit -m "Release v1.51.0"
git push origin main
```
### Or Just Tag and Let GitHub Actions Do It
```bash
# Update version in Cargo.toml
# Commit changes
git add .
git commit -m "Bump version to 1.51.0"
# Tag and push
git tag v1.51.0
git push origin main --tags
# GitHub Actions will:
# - Build packages for AMD64 and ARM64
# - Update gh-pages branch automatically
# - Sign and publish!
```
## Troubleshooting
### "Repository not signed" error
Make sure you signed it:
```bash
./scripts/sign-apt-repo.sh apt-repo stable YOUR-KEY-ID
ls apt-repo/dists/stable/Release*
# Should show: Release, Release.gpg, InRelease, KEY.gpg
```
### "404 Not Found" on GitHub Pages
1. Check Settings → Pages is enabled
2. Wait 2-3 minutes for GitHub to deploy
3. Verify the URL structure matches your settings
### GitHub Actions not signing
Check that all three secrets are set correctly:
- Settings → Secrets and variables → Actions
- Make sure GPG_PRIVATE_KEY includes the BEGIN/END lines
- Test locally first
## What's Next?
✅ You now have a working APT repository!
**Share it:**
- Add installation instructions to your main README
- Tweet/blog about it
- Submit to awesome-rust lists
**Improve it:**
- Customize your GitHub Pages site (it's just HTML!)
- Add more architectures (ARMv7)
- Create multiple distributions (stable, testing)
- Set up download statistics
- Apply to Ubuntu PPA (Launchpad)
- Eventually submit to official Debian repos
## Full Documentation
For detailed information, see:
- `docs/APT_REPOSITORY.md` - Complete APT repository guide
- `docs/DEBIAN_PACKAGING.md` - Debian packaging details
- `DEBIAN_PACKAGING_SUMMARY.md` - Quick summary
## Questions?
Open an issue on GitHub or check the full documentation.
---
**Happy packaging! 📦**
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# socktop
# socktop APT Repository
_socktop_ is a remote system monitor with a rich TUI, talking to an ultra lightweight agent over WebSockets.
This repository contains Debian packages for socktop and socktop-agent.
<img src="./docs/socktop_demo_1_60.apng" width="100%">
## Adding this repository
## Resources
| Resource | Location |
| -------- | -------- |
| Website and online demo (yes it's real) | [socktop.io](https://www.socktop.io) |
| Quick Start guide | [https://socktop.io/assets/docs/installation/quick-start.html](https://socktop.io/assets/docs/installation/quick-start.html) |
| Prereqs | [https://socktop.io/assets/docs/installation/prerequisites.html](https://socktop.io/assets/docs/installation/prerequisites.html) |
| APT Install | [https://socktop.io/assets/docs/installation/apt.html](https://socktop.io/assets/docs/installation/apt.html) |
| Cargo Install | [https://socktop.io/assets/docs/installation/cargo.html](https://socktop.io/assets/docs/installation/cargo.html)
| Usage | [https://socktop.io/assets/docs/usage/general.html](https://socktop.io/assets/docs/usage/general.html)
| Auth Setup | [https://socktop.io/assets/docs/security/token.html](https://socktop.io/assets/docs/security/token.html) |
| TLS Setup | [https://socktop.io/assets/docs/security/tls.html](https://socktop.io/assets/docs/security/tls.html) |
| Monitoring Multiple Hosts | [tmux](https://socktop.io/assets/docs/advanced/tmux.html) / [zellij](https://socktop.io/assets/docs/advanced/zellij.html) |
---
## Platform Support
Linux (all flavors), ARM/Raspberry Pi (32b/64b), MacOS, Windows, RISC-V (experimental)
---
## Contributing
Contributions are welcome and you have the freedom to use whatever development tools you would like, as long as there is a human in the loop and all the clippy and unit tests pass you are good to submit a PR. Defects / Bugs just go ahead and fix and file a PR. New features, please create a issue in advance and let me know you are offering to build it. I don't want to be in a position where you worked for a couple of weeks on something and I don't want to merge it.
### Development
Add the repository to your system:
```bash
cargo fmt
cargo clippy --all-targets --all-features
cargo run -p socktop -- ws://127.0.0.1:3000/ws
# TLS (dev): first run will create certs under ~/.config/socktop_agent/tls/
cargo run -p socktop_agent -- --enableSSL --port 8443
# Add the GPG key
curl -fsSL https://jasonwitty.github.io/socktop/KEY.gpg | sudo gpg --dearmor -o /usr/share/keyrings/socktop-archive-keyring.gpg
# Add the repository
echo "deb [signed-by=/usr/share/keyrings/socktop-archive-keyring.gpg] https://jasonwitty.github.io/socktop stable main" | sudo tee /etc/apt/sources.list.d/socktop.list
# Update and install
sudo apt update
sudo apt install socktop socktop-agent
```
### Auto-format on commit
## Manual Installation
A sample pre-commit hook that runs `cargo fmt --all` is provided in `.githooks/pre-commit`.
Enable it (one-time):
You can also download and install packages manually from the `pool/main/` directory.
---
```bash
wget https://jasonwitty.github.io/socktop/pool/main/socktop_VERSION_ARCH.deb
sudo dpkg -i socktop_VERSION_ARCH.deb
```
## License
## Supported Architectures
MIT — see [LICENSE](LICENSE).
- amd64 (x86_64)
- arm64 (aarch64)
- armhf (32-bit ARM)
## Acknowledgements
## Building from Source
- ratatui for the TUI
- sysinfo for system metrics
- tokio-tungstenite for WebSockets
See the main repository at https://github.com/jasonwitty/socktop
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# Setting Up GitHub Pages for socktop APT Repository
This guide walks you through the initial setup of your APT repository on GitHub Pages using the `gh-pages` branch.
## Prerequisites
- [ ] You've run `./scripts/setup-apt-repo.sh` or manually created `apt-repo/`
- [ ] `apt-repo/` contains signed packages and metadata
- [ ] You have a GitHub repository for socktop
## Step-by-Step Setup
### 1. Verify Your Local Repository
First, make sure everything is ready:
```bash
# Check that apt-repo exists and has content
ls -la apt-repo/
# You should see:
# - dists/stable/Release, Release.gpg, InRelease
# - pool/main/*.deb
# - KEY.gpg
# - index.html, README.md
```
### 2. Create and Switch to gh-pages Branch
```bash
# Create a new orphan branch (no history from main)
git checkout --orphan gh-pages
# Remove all files from staging
git rm -rf .
```
**Important:** This creates a completely separate branch. Don't worry - your main branch is safe!
### 3. Copy APT Repository to Root
```bash
# Copy CONTENTS of apt-repo to root of gh-pages
cp -r apt-repo/* .
# Remove the apt-repo directory itself
rm -rf apt-repo
# Verify the structure
ls -la
# You should see in the current directory:
# - dists/
# - pool/
# - KEY.gpg
# - index.html
# - README.md
```
**Why root?** GitHub Pages can only serve from:
- `/` (root) - what we're doing
- `/docs` directory
- NOT from custom directories like `/apt-repo`
### 4. Commit and Push
```bash
# Add all files
git add .
# Commit
git commit -m "Initialize APT repository for GitHub Pages"
# Push to gh-pages branch
git push -u origin gh-pages
```
### 5. Return to Main Branch
```bash
# Switch back to your main development branch
git checkout main
# Verify you're back on main
git branch
# Should show: * main
```
### 6. Enable GitHub Pages
1. Go to your repository on GitHub
2. Click **Settings** (top right)
3. Click **Pages** (left sidebar)
4. Under "Build and deployment":
- Source: **Deploy from a branch**
- Branch: **gh-pages**
- Folder: **/ (root)**
- Click **Save**
### 7. Wait for Deployment
GitHub will deploy your site. This usually takes 1-2 minutes.
You can watch the progress:
- Go to **Actions** tab
- Look for "pages build and deployment" workflow
### 8. Verify Your Repository is Live
Once deployed, your repository will be at:
```
https://YOUR-USERNAME.github.io/socktop/
```
Test it:
```bash
# Check the public key is accessible
curl -I https://YOUR-USERNAME.github.io/socktop/KEY.gpg
# Should return: HTTP/2 200
# Check the Release file
curl -I https://YOUR-USERNAME.github.io/socktop/dists/stable/Release
# Should return: HTTP/2 200
```
### 9. Test Installation (Optional but Recommended)
On a Debian/Ubuntu VM or system:
```bash
# Add GPG key
curl -fsSL https://YOUR-USERNAME.github.io/socktop/KEY.gpg | \
sudo gpg --dearmor -o /usr/share/keyrings/socktop-archive-keyring.gpg
# Add repository
echo "deb [signed-by=/usr/share/keyrings/socktop-archive-keyring.gpg] https://YOUR-USERNAME.github.io/socktop stable main" | \
sudo tee /etc/apt/sources.list.d/socktop.list
# Update package lists
sudo apt update
# You should see:
# Get:1 https://YOUR-USERNAME.github.io/socktop stable InRelease [xxx B]
# Install packages
sudo apt install socktop socktop-agent
# Verify
socktop --version
```
## Understanding the Two Branches
After setup, you'll have two branches:
### `main` branch (development)
```
main/
├── src/
├── Cargo.toml
├── scripts/
├── docs/
├── apt-repo/ ← Local build artifact (not published)
└── ...
```
**Purpose:** Source code, development, building packages
### `gh-pages` branch (published)
```
gh-pages/
├── dists/
├── pool/
├── KEY.gpg
├── index.html ← Customize this for a nice landing page!
└── README.md
```
**Purpose:** Published APT repository served by GitHub Pages
## Workflow Going Forward
### Manual Updates
When you release a new version:
```bash
# 1. On main branch, build new packages
git checkout main
cargo deb --package socktop
cargo deb --package socktop_agent
# 2. Update local apt-repo
./scripts/add-package-to-repo.sh target/debian/socktop_*.deb
./scripts/add-package-to-repo.sh target/debian/socktop-agent_*.deb
./scripts/sign-apt-repo.sh apt-repo stable YOUR-GPG-KEY-ID
# 3. Switch to gh-pages and update
git checkout gh-pages
cp -r apt-repo/* .
git add .
git commit -m "Release v1.51.0"
git push origin gh-pages
# 4. Return to main
git checkout main
```
### Automated Updates (Recommended)
Set up GitHub Actions to do this automatically:
1. Add GitHub Secrets (Settings → Secrets → Actions):
- `GPG_PRIVATE_KEY` - Your exported private key
- `GPG_KEY_ID` - Your GPG key ID
- `GPG_PASSPHRASE` - Your GPG passphrase (if any)
2. Tag and push:
```bash
git tag v1.51.0
git push origin main --tags
```
3. GitHub Actions will automatically:
- Build packages for AMD64 and ARM64
- Update apt-repo
- Sign with your GPG key
- Push to gh-pages
- Create GitHub Release
See `.github/workflows/publish-apt-repo.yml` for details.
## Customizing Your GitHub Pages Site
The `gh-pages` branch contains `index.html` which users see when they visit:
`https://YOUR-USERNAME.github.io/socktop/`
You can customize this! On the `gh-pages` branch:
```bash
git checkout gh-pages
# Edit index.html
nano index.html
# Add features, badges, screenshots, etc.
git add index.html
git commit -m "Improve landing page"
git push origin gh-pages
git checkout main
```
## Troubleshooting
### "404 Not Found" on GitHub Pages
**Check:**
- Settings → Pages shows "Your site is live at..."
- Wait 2-3 minutes after pushing
- Verify branch is `gh-pages` and folder is `/`
- Check Actions tab for deployment errors
### "Repository not found" when installing
**Check:**
- URL is correct: `https://USERNAME.github.io/REPO/` (no trailing /apt-repo)
- Files exist at the URLs:
```bash
curl -I https://USERNAME.github.io/REPO/dists/stable/InRelease
curl -I https://USERNAME.github.io/REPO/KEY.gpg
```
### "GPG error" when installing
**Check:**
- Repository is signed: `ls gh-pages/dists/stable/Release.gpg`
- Users imported the key: `curl https://USERNAME.github.io/REPO/KEY.gpg | gpg --import`
### Changes not appearing
**Check:**
- You committed and pushed to `gh-pages` (not `main`)
- Wait 1-2 minutes for GitHub to redeploy
- Clear browser cache if viewing index.html
- For apt: `sudo apt clean && sudo apt update`
## Success Checklist
After completing this guide, you should have:
- [ ] `gh-pages` branch created and pushed
- [ ] GitHub Pages enabled and deployed
- [ ] Site accessible at `https://USERNAME.github.io/socktop/`
- [ ] `KEY.gpg` downloadable
- [ ] `dists/stable/InRelease` accessible
- [ ] Packages in `pool/main/*.deb` downloadable
- [ ] Successfully tested installation on a test system
- [ ] Understand the workflow for future updates
## Next Steps
1. **Update your main README.md** with installation instructions
2. **Set up GitHub Actions** for automated releases
3. **Customize index.html** on gh-pages for a nice landing page
4. **Test on multiple architectures** (AMD64, ARM64)
5. **Share your repository** with users
## Quick Reference
**Switch branches:**
```bash
git checkout main # Development
git checkout gh-pages # Published site
```
**Update published site manually:**
```bash
git checkout main
# ... build packages, update apt-repo ...
git checkout gh-pages
cp -r apt-repo/* .
git add . && git commit -m "Update" && git push
git checkout main
```
**Your repository URL:**
```
https://YOUR-USERNAME.github.io/socktop/
```
**User installation command:**
```bash
curl -fsSL https://YOUR-USERNAME.github.io/socktop/KEY.gpg | \
sudo gpg --dearmor -o /usr/share/keyrings/socktop-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/socktop-archive-keyring.gpg] https://YOUR-USERNAME.github.io/socktop stable main" | \
sudo tee /etc/apt/sources.list.d/socktop.list
sudo apt update && sudo apt install socktop socktop-agent
```
---
**Need help?** See:
- `QUICK_START_APT_REPO.md` - Overall quick start
- `docs/APT_REPOSITORY.md` - Comprehensive guide
- `docs/APT_WORKFLOW.md` - Visual workflow diagrams
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# Why We Use the gh-pages Branch
## The Problem
GitHub Pages has a limitation - it can only serve static sites from:
1. **`/` (root)** of a branch
2. **`/docs`** directory of a branch
3. **NOT** from custom directories like `/apt-repo`
## Why Not `/docs`?
When you tried to enable GitHub Pages with `apt-repo/` checked into main, you couldn't select it because:
```
main/
├── src/
├── Cargo.toml
├── apt-repo/ ← GitHub Pages can't serve from here!
└── ...
```
You could move it to `/docs`:
```
main/
├── src/
├── Cargo.toml
├── docs/ ← GitHub Pages CAN serve from here
│ ├── dists/
│ ├── pool/
│ └── ...
└── ...
```
But this has downsides:
- ❌ Mixed source code and published content
- ❌ Large .deb files bloat the main branch
- ❌ Can't easily customize the site without affecting source
- ❌ Messy git history with binary files
## Why gh-pages Branch (Our Solution)
Using a separate `gh-pages` branch is cleaner:
```
main branch (source code):
├── src/
├── Cargo.toml
├── scripts/
└── docs/ ← Documentation source
gh-pages branch (published):
├── dists/
├── pool/
├── KEY.gpg
├── index.html ← Customizable landing page
└── README.md
```
### Benefits
**Clean separation**: Source code stays in `main`, published content in `gh-pages`
**No binary bloat**: .deb files don't clutter your main branch history
**Easy automation**: GitHub Actions can push to gh-pages without affecting main
**Customizable**: You can make a beautiful landing page on gh-pages
**Standard practice**: Most GitHub Pages projects use gh-pages branch
**Root URL**: Your repo is at `https://username.github.io/socktop/` (not `/apt-repo`)
### Workflow
```
Developer (main branch)
Build packages
Update apt-repo/ (local)
Push to gh-pages branch
GitHub Pages serves
Users: apt install socktop
```
## The Setup
**One-time setup:**
```bash
git checkout --orphan gh-pages
git rm -rf .
cp -r apt-repo/* .
rm -rf apt-repo
git add . && git commit -m "Initialize APT repository"
git push -u origin gh-pages
git checkout main
```
**Going forward:**
- Work on `main` branch for development
- `gh-pages` branch gets updated by GitHub Actions (or manually)
- Never need to switch branches manually after automation is set up!
## Comparison
| Approach | Location | URL | Pros | Cons |
|----------|----------|-----|------|------|
| **gh-pages branch** ✅ | gh-pages:/ | `username.github.io/socktop/` | Clean, automated, customizable | Two branches |
| `/docs` on main | main:/docs | `username.github.io/socktop/` | One branch | Mixed content, binary bloat |
| `/apt-repo` on main | main:/apt-repo | ❌ Not possible | - | GitHub Pages won't allow it |
## Conclusion
The `gh-pages` branch approach is:
- The **cleanest** solution
- The **most flexible** for customization
- The **easiest to automate**
- **Industry standard** for GitHub Pages
That's why we chose it! 🚀
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# socktop APT Repository
This repository contains Debian packages for socktop and socktop-agent.
## Adding this repository
Add the repository to your system:
```bash
# Add the GPG key
curl -fsSL https://jasonwitty.github.io/socktop/KEY.gpg | sudo gpg --dearmor -o /usr/share/keyrings/socktop-archive-keyring.gpg
# Add the repository
echo "deb [signed-by=/usr/share/keyrings/socktop-archive-keyring.gpg] https://jasonwitty.github.io/socktop stable main" | sudo tee /etc/apt/sources.list.d/socktop.list
# Update and install
sudo apt update
sudo apt install socktop socktop-agent
```
## Manual Installation
You can also download and install packages manually from the `pool/main/` directory.
```bash
wget https://jasonwitty.github.io/socktop/pool/main/socktop_VERSION_ARCH.deb
sudo dpkg -i socktop_VERSION_ARCH.deb
```
## Supported Architectures
- amd64 (x86_64)
- arm64 (aarch64)
- armhf (32-bit ARM)
## Building from Source
See the main repository at https://github.com/jasonwitty/socktop
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@@ -1,32 +0,0 @@
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Origin: socktop
Label: socktop
Suite: stable
Codename: stable
Architectures: amd64 arm64 armhf
Components: main
Description: socktop APT repository
Date: Sun, 23 Nov 2025 04:05:21 +0000
MD5Sum:
0bddefb2f13cb7c86cd05fe1ce20310f 1549 main/binary-amd64/Packages
674f0e552cbb7dc65380651a2a8d279e 799 main/binary-amd64/Packages.gz
SHA256:
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@@ -1,14 +0,0 @@
Origin: socktop
Label: socktop
Suite: stable
Codename: stable
Architectures: amd64 arm64 armhf
Components: main
Description: socktop APT repository
Date: Sun, 23 Nov 2025 04:05:21 +0000
MD5Sum:
0bddefb2f13cb7c86cd05fe1ce20310f 1549 main/binary-amd64/Packages
674f0e552cbb7dc65380651a2a8d279e 799 main/binary-amd64/Packages.gz
SHA256:
babfbb4839e7fdfbc83742c16996791b0402a1315889b530330b338380398263 1549 main/binary-amd64/Packages
f8c48d0f7bf53eb02c6dbf5f1cdd046fe71b87273cf763c5bb2e95d9757a7a82 799 main/binary-amd64/Packages.gz
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>socktop APT Repository</title>
<style>
body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
max-width: 800px;
margin: 50px auto;
padding: 20px;
line-height: 1.6;
}
code {
background: #f4f4f4;
padding: 2px 6px;
border-radius: 3px;
}
pre {
background: #f4f4f4;
padding: 15px;
border-radius: 5px;
overflow-x: auto;
}
h1 { color: #333; }
h2 { color: #555; margin-top: 30px; }
</style>
</head>
<body>
<h1>socktop APT Repository</h1>
<p>System monitor with remote agent support for Linux systems.</p>
<h2>Adding this repository</h2>
<pre><code># Add the GPG key
curl -fsSL https://jasonwitty.github.io/socktop/KEY.gpg | sudo gpg --dearmor -o /usr/share/keyrings/socktop-archive-keyring.gpg
# Add the repository
echo "deb [signed-by=/usr/share/keyrings/socktop-archive-keyring.gpg] https://jasonwitty.github.io/socktop stable main" | sudo tee /etc/apt/sources.list.d/socktop.list
# Update and install
sudo apt update
sudo apt install socktop socktop-agent</code></pre>
<h2>Manual Installation</h2>
<p>Download packages from <a href="pool/main/">pool/main/</a></p>
<h2>Supported Architectures</h2>
<ul>
<li>amd64 (x86_64)</li>
<li>arm64 (aarch64)</li>
<li>armhf (32-bit ARM)</li>
</ul>
<h2>Source Code</h2>
<p>Visit the <a href="https://github.com/jasonwitty/socktop">GitHub repository</a></p>
</body>
</html>
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Origin: socktop
Label: socktop
Suite: stable
Codename: stable
Architectures: amd64 arm64 armhf riscv64
Components: main
Description: socktop APT repository
Date: Mon, 24 Nov 2025 20:01:32 +0000
MD5Sum:
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Origin: socktop
Label: socktop
Suite: stable
Codename: stable
Architectures: amd64 arm64 armhf riscv64
Components: main
Description: socktop APT repository
Date: Mon, 24 Nov 2025 20:01:32 +0000
MD5Sum:
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@@ -2,12 +2,13 @@ Package: socktop
Version: 1.50.0-1
Architecture: amd64
Maintainer: Jason Witty <jasonpwitty+socktop@proton.me>
Installed-Size: 3459
Installed-Size: 3447
Depends: libc6 (>= 2.39)
Filename: pool/main/socktop_1.50.0-1_amd64.deb
Size: 1278940
MD5sum: 0215e178e306d9379669065e8c78582b
SHA1: 04e0416389f5cecd584fd1f6b3568711f2645eee
SHA256: 69eb04b1de48541c95950a97b16357fcd9c51ffaceb143f63de4a9d758fad297
Size: 1277472
MD5sum: 8af32694d8ea66feb97bc9896dd1034f
SHA1: acf596897449d1ec3a3eaee7c7fe25e716d91a8c
SHA256: 59ade1d2cc919fa672c2b8b50a05905defc1a220776949b78743d054eaa07994
Section: admin
Priority: optional
Homepage: https://github.com/jasonwitty/socktop
@@ -21,12 +22,13 @@ Package: socktop-agent
Version: 1.50.2-1
Architecture: amd64
Maintainer: Jason Witty <jasonpwitty+socktop@proton.me>
Installed-Size: 6793
Installed-Size: 6726
Depends: libc6 (>= 2.39), libdrm-amdgpu1 (>= 2.4.80)
Filename: pool/main/socktop-agent_1.50.2-1_amd64.deb
Size: 1896272
MD5sum: 22e78d03e83dcf84d6ec4a009b285902
SHA1: 26a9f4fedfdba06a047044027223f2944cf72ba6
SHA256: 11922af475146f60347a9c52cff4bbce1ce524bdb4293b2c436f3c71876e17d5
Size: 1869464
MD5sum: b708dbc7330e8c8f2d2d6812f978f3c9
SHA1: 2fce3376934586a630031f9a6dc4ed196c37200e
SHA256: 4a1d7e9794048b6dc0a74a428d1536903c9c3e3ed8b52d53539f1ecb4ebc3967
Section: admin
Priority: optional
Homepage: https://github.com/jasonwitty/socktop
Binary file not shown.
+40
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@@ -0,0 +1,40 @@
Package: socktop
Version: 1.50.0-1
Architecture: arm64
Maintainer: Jason Witty <jasonpwitty+socktop@proton.me>
Installed-Size: 2908
Depends: libc6 (>= 2.39)
Filename: pool/main/socktop_1.50.0-1_arm64.deb
Size: 1139764
MD5sum: 05fa53ec3555238b6454ffe44acba4a5
SHA1: c6f062f0d191e45d34e2d349864dfa552433bd0c
SHA256: 976de361b1f867e5c3fe1b8bba34862f6e92564980367a1b5a9ff024c7825273
Section: admin
Priority: optional
Homepage: https://github.com/jasonwitty/socktop
Description: Remote system monitor over WebSocket, TUI like top
socktop is a remote system monitor with a rich terminal user interface (TUI)
that connects to remote hosts running the socktop_agent over WebSocket. It
provides real-time monitoring of CPU, memory, processes, and more with an
interface similar to the traditional 'top' command.
Package: socktop-agent
Version: 1.50.2-1
Architecture: arm64
Maintainer: Jason Witty <jasonpwitty+socktop@proton.me>
Installed-Size: 5220
Depends: libc6 (>= 2.39), libdrm-amdgpu1 (>= 2.4.80)
Filename: pool/main/socktop-agent_1.50.2-1_arm64.deb
Size: 1645464
MD5sum: 517f46814ffc34ca3075ce0fc6020f1f
SHA1: a120d9b763b453c0e860fea8e3f121e4cabda329
SHA256: 72d562c50f4de437c5e8f46fb79cc0216b96f5bdc2b96958a51ae69aa156eead
Section: admin
Priority: optional
Homepage: https://github.com/jasonwitty/socktop
Description: Socktop agent daemon. Serves host metrics over WebSocket.
socktop_agent is the daemon component that runs on remote hosts to collect and
serve system metrics over WebSocket. It gathers CPU, memory, disk, network,
GPU, and process information that can be monitored remotely by the socktop TUI
client.
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@@ -0,0 +1,40 @@
Package: socktop
Version: 1.50.0-1
Architecture: armhf
Maintainer: Jason Witty <jasonpwitty+socktop@proton.me>
Installed-Size: 2706
Depends: libc6:armhf (>= 2.39)
Filename: pool/main/socktop_1.50.0-1_armhf.deb
Size: 986508
MD5sum: 5872abb834d52fefd05d3be848c0c466
SHA1: c2cd0f4bc1578541836f44c8595a90b07815448f
SHA256: c246bd1fbad3598129dd3101296791aa75d0d817d2a9b33ea18e21b95712bdeb
Section: admin
Priority: optional
Homepage: https://github.com/jasonwitty/socktop
Description: Remote system monitor over WebSocket, TUI like top
socktop is a remote system monitor with a rich terminal user interface (TUI)
that connects to remote hosts running the socktop_agent over WebSocket. It
provides real-time monitoring of CPU, memory, processes, and more with an
interface similar to the traditional 'top' command.
Package: socktop-agent
Version: 1.50.2-1
Architecture: armhf
Maintainer: Jason Witty <jasonpwitty+socktop@proton.me>
Installed-Size: 3919
Depends: libc6:armhf (>= 2.39)
Filename: pool/main/socktop-agent_1.50.2-1_armhf.deb
Size: 1494848
MD5sum: 90aae9922ffe58b9685c10e38cdb91f0
SHA1: f8aab5171952a9a5b1251a00e907ae6805286edd
SHA256: 6c1f813a899416243a8c6d11dd424832a8a7184e3da200ba72e3afe23cb5fcd6
Section: admin
Priority: optional
Homepage: https://github.com/jasonwitty/socktop
Description: Socktop agent daemon. Serves host metrics over WebSocket.
socktop_agent is the daemon component that runs on remote hosts to collect and
serve system metrics over WebSocket. It gathers CPU, memory, disk, network,
GPU, and process information that can be monitored remotely by the socktop TUI
client.
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@@ -0,0 +1,40 @@
Package: socktop
Version: 1.50.0-1
Architecture: riscv64
Maintainer: Jason Witty <jasonpwitty+socktop@proton.me>
Installed-Size: 2664
Depends: libc6:riscv64 (>= 2.39)
Filename: pool/main/socktop_1.50.0-1_riscv64.deb
Size: 1133776
MD5sum: 8d35cb4a2e61e4817bedd36362f3d21e
SHA1: 242c3818e20e4fa8ab2fd6bd9a897aab0246c01d
SHA256: c8138d798820fc0bcdcf12a945f35b6a45635cbec109548ce65cb4ab3db7690a
Section: admin
Priority: optional
Homepage: https://github.com/jasonwitty/socktop
Description: Remote system monitor over WebSocket, TUI like top
socktop is a remote system monitor with a rich terminal user interface (TUI)
that connects to remote hosts running the socktop_agent over WebSocket. It
provides real-time monitoring of CPU, memory, processes, and more with an
interface similar to the traditional 'top' command.
Package: socktop-agent
Version: 1.50.2-1
Architecture: riscv64
Maintainer: Jason Witty <jasonpwitty+socktop@proton.me>
Installed-Size: 4068
Depends: libc6:riscv64 (>= 2.39)
Filename: pool/main/socktop-agent_1.50.2-1_riscv64.deb
Size: 1698504
MD5sum: 76249497cbd2bb14e86b0a680a628d22
SHA1: 1b427d86313d2d906886f33f5f274b6515958245
SHA256: 52f17798f0a208a5067a266fad84e535c30137620273a218caac465fb969f48e
Section: admin
Priority: optional
Homepage: https://github.com/jasonwitty/socktop
Description: Socktop agent daemon. Serves host metrics over WebSocket.
socktop_agent is the daemon component that runs on remote hosts to collect and
serve system metrics over WebSocket. It gathers CPU, memory, disk, network,
GPU, and process information that can be monitored remotely by the socktop TUI
client.
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# Debian Packaging for socktop
This document describes how to build and use Debian packages for socktop and socktop_agent.
## Prerequisites
Install `cargo-deb`:
```bash
cargo install cargo-deb
```
## Building Packages Locally
### Build for your current architecture (x86_64)
```bash
# Build socktop TUI client
cargo deb --package socktop
# Build socktop_agent daemon
cargo deb --package socktop_agent
```
The `.deb` files will be created in `target/debian/`.
### Cross-compile for ARM64 (Raspberry Pi, etc.)
First, install cross-compilation tools:
```bash
sudo apt-get update
sudo apt-get install gcc-aarch64-linux-gnu libc6-dev-arm64-cross
```
Add the ARM64 target:
```bash
rustup target add aarch64-unknown-linux-gnu
```
Configure the linker by creating `.cargo/config.toml`:
```toml
[target.aarch64-unknown-linux-gnu]
linker = "aarch64-linux-gnu-gcc"
```
Build the packages:
```bash
# Build for ARM64
cargo deb --package socktop --target aarch64-unknown-linux-gnu
cargo deb --package socktop_agent --target aarch64-unknown-linux-gnu
```
## Installing Packages
### Install socktop TUI client
```bash
sudo dpkg -i socktop_*.deb
```
### Install socktop_agent daemon
```bash
sudo dpkg -i socktop_agent_*.deb
```
The agent package will:
- Create a `socktop` system user and group
- Install the binary to `/usr/bin/socktop_agent`
- Install a systemd service file (disabled by default)
- Create `/var/lib/socktop` for state files
### Enable and start the agent service
```bash
# Enable to start on boot
sudo systemctl enable socktop-agent
# Start the service
sudo systemctl start socktop-agent
# Check status
sudo systemctl status socktop-agent
```
### Configure the agent
Edit the systemd service to customize settings:
```bash
sudo systemctl edit socktop-agent
```
Add configuration in the override section:
```ini
[Service]
Environment=SOCKTOP_PORT=8080
Environment=SOCKTOP_TOKEN=your-secret-token
Environment=RUST_LOG=info
```
Then restart:
```bash
sudo systemctl restart socktop-agent
```
## GitHub Actions
The project includes a GitHub Actions workflow (`.github/workflows/build-deb.yml`) that automatically builds `.deb` packages for both x86_64 and ARM64 architectures on every push to master or when tags are created.
### Downloading pre-built packages
1. Go to the [Actions tab](https://github.com/jasonwitty/socktop/actions)
2. Click on the latest "Build Debian Packages" workflow run
3. Download the artifacts:
- `debian-packages-amd64` - x86_64 packages
- `debian-packages-arm64` - ARM64 packages
- `all-debian-packages` - All packages combined
- `checksums` - SHA256 checksums
### Release packages
When you create a git tag starting with `v` (e.g., `v1.50.0`), the workflow will automatically create a GitHub Release with all `.deb` packages attached.
```bash
git tag v1.50.0
git push origin v1.50.0
```
## Package Details
### socktop package
- **Binary**: `/usr/bin/socktop`
- **Documentation**: `/usr/share/doc/socktop/`
- **Size**: ~5-8 MB (depends on architecture)
### socktop_agent package
- **Binary**: `/usr/bin/socktop_agent`
- **Service**: `socktop-agent.service`
- **User/Group**: `socktop`
- **State directory**: `/var/lib/socktop`
- **Config directory**: `/etc/socktop` (created but empty by default)
- **Documentation**: `/usr/share/doc/socktop_agent/`
- **Size**: ~5-8 MB (depends on architecture)
## Uninstalling
```bash
# Remove packages but keep configuration
sudo apt remove socktop socktop_agent
# Remove packages and all configuration (purge)
sudo apt purge socktop socktop_agent
```
When purging `socktop_agent`, the following are removed:
- The `socktop` user and group
- `/var/lib/socktop` directory
- Empty `/etc/socktop` directory (if empty)
## Verifying Packages
Check package contents:
```bash
dpkg -c socktop_*.deb
dpkg -c socktop_agent_*.deb
```
Check package information:
```bash
dpkg -I socktop_*.deb
dpkg -I socktop_agent_*.deb
```
After installation, verify files:
```bash
dpkg -L socktop
dpkg -L socktop-agent
```
## Troubleshooting
### Service fails to start
Check logs:
```bash
sudo journalctl -u socktop-agent -f
```
Verify the socktop user exists:
```bash
id socktop
```
### Permission issues
Ensure the state directory has correct permissions:
```bash
sudo chown -R socktop:socktop /var/lib/socktop
sudo chmod 755 /var/lib/socktop
```
### Missing dependencies
If installation fails due to missing dependencies:
```bash
sudo apt --fix-broken install
```
## Creating a Local APT Repository (Advanced)
To create your own APT repository for easy installation:
1. Install required tools:
```bash
sudo apt install dpkg-dev
```
2. Create repository structure:
```bash
mkdir -p ~/socktop-repo/pool/main
cp *.deb ~/socktop-repo/pool/main/
```
3. Generate package index:
```bash
cd ~/socktop-repo
dpkg-scanpackages pool/main /dev/null | gzip -9c > pool/main/Packages.gz
```
4. Serve via HTTP (for testing):
```bash
cd ~/socktop-repo
python3 -m http.server 8000
```
5. Add to sources on client machines:
```bash
echo "deb [trusted=yes] http://your-server:8000 pool/main/" | \
sudo tee /etc/apt/sources.list.d/socktop.list
sudo apt update
sudo apt install socktop socktop-agent
```
## Contributing
When adding new features that affect packaging:
1. Update `Cargo.toml` metadata in the `[package.metadata.deb]` section
2. Add new assets to the `assets` array if needed
3. Update maintainer scripts in `socktop_agent/debian/` if needed
4. Test package building locally before committing
5. Update this documentation
## References
- [cargo-deb documentation](https://github.com/kornelski/cargo-deb)
- [Debian Policy Manual](https://www.debian.org/doc/debian-policy/)
- [systemd service files](https://www.freedesktop.org/software/systemd/man/systemd.service.html)
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# Cross-Compiling socktop_agent for Raspberry Pi
This guide explains how to cross-compile the socktop_agent on various host systems and deploy it to a Raspberry Pi. Cross-compiling is particularly useful for older or resource-constrained Pi models where native compilation might be slow.
**Note:** GPU monitoring support is not available on ARMv7 (32-bit) and RISC-V architectures due to library limitations. When building for these platforms, the `--no-default-features` flag must be used to disable GPU support.
## Cross-Compilation Host Setup
Choose your host operating system:
- [Debian/Ubuntu](#debianubuntu-based-systems)
- [Arch Linux](#arch-linux-based-systems)
- [macOS](#macos)
- [Windows](#windows)
## Debian/Ubuntu Based Systems
### Prerequisites
Install the cross-compilation toolchain for your target Raspberry Pi architecture:
```bash
# For 64-bit Raspberry Pi (aarch64)
sudo apt update
sudo apt install gcc-aarch64-linux-gnu libc6-dev-arm64-cross libdrm-dev:arm64
# For 32-bit Raspberry Pi (armv7)
# Note: GPU support not available on armv7
sudo apt update
sudo apt install gcc-arm-linux-gnueabihf libc6-dev-armhf-cross
```
### Setup Rust Cross-Compilation Targets
```bash
# For 64-bit Raspberry Pi
rustup target add aarch64-unknown-linux-gnu
# For 32-bit Raspberry Pi
rustup target add armv7-unknown-linux-gnueabihf
```
### Configure Cargo for Cross-Compilation
Create or edit `~/.cargo/config.toml`:
```toml
[target.aarch64-unknown-linux-gnu]
linker = "aarch64-linux-gnu-gcc"
[target.armv7-unknown-linux-gnueabihf]
linker = "arm-linux-gnueabihf-gcc"
```
## Arch Linux Based Systems
### Prerequisites
Install the cross-compilation toolchain using pacman and AUR:
```bash
# Install base dependencies
sudo pacman -S base-devel
# For 64-bit Raspberry Pi (aarch64)
sudo pacman -S aarch64-linux-gnu-gcc
# Install libdrm for aarch64 using an AUR helper (e.g., yay, paru)
yay -S aarch64-linux-gnu-libdrm
# For 32-bit Raspberry Pi (armv7)
# Note: GPU support not available on armv7
sudo pacman -S arm-linux-gnueabihf-gcc
```
### Setup Rust Cross-Compilation Targets
```bash
# For 64-bit Raspberry Pi
rustup target add aarch64-unknown-linux-gnu
# For 32-bit Raspberry Pi
rustup target add armv7-unknown-linux-gnueabihf
```
### Configure Cargo for Cross-Compilation
Create or edit `~/.cargo/config.toml`:
```toml
[target.aarch64-unknown-linux-gnu]
linker = "aarch64-linux-gnu-gcc"
[target.armv7-unknown-linux-gnueabihf]
linker = "arm-linux-gnueabihf-gcc"
```
## macOS
The recommended approach for cross-compiling from macOS is to use Docker:
```bash
# Install Docker
brew install --cask docker
# Pull a cross-compilation Docker image
docker pull messense/rust-musl-cross:armv7-musleabihf # For 32-bit Pi
docker pull messense/rust-musl-cross:aarch64-musl # For 64-bit Pi
```
### Using Docker for Cross-Compilation
```bash
# Navigate to your socktop project directory
cd path/to/socktop
# For 64-bit Raspberry Pi
docker run --rm -it -v "$(pwd)":/home/rust/src messense/rust-musl-cross:aarch64-musl cargo build --release --target aarch64-unknown-linux-musl -p socktop_agent
# For 32-bit Raspberry Pi (without GPU support)
docker run --rm -it -v "$(pwd)":/home/rust/src messense/rust-musl-cross:armv7-musleabihf cargo build --release --target armv7-unknown-linux-musleabihf -p socktop_agent --no-default-features
```
The compiled binaries will be available in your local target directory.
## Windows
The recommended approach for Windows is to use Windows Subsystem for Linux (WSL2):
1. Install WSL2 with a Debian/Ubuntu distribution by following the [official Microsoft documentation](https://docs.microsoft.com/en-us/windows/wsl/install).
2. Once WSL2 is set up with a Debian/Ubuntu distribution, open your WSL terminal and follow the [Debian/Ubuntu instructions](#debianubuntu-based-systems) above.
## Cross-Compile the Agent
After setting up your environment, build the socktop_agent for your target Raspberry Pi:
```bash
# For 64-bit Raspberry Pi (with GPU support)
cargo build --release --target aarch64-unknown-linux-gnu -p socktop_agent
# For 32-bit Raspberry Pi (without GPU support)
cargo build --release --target armv7-unknown-linux-gnueabihf -p socktop_agent --no-default-features
```
## Transfer the Binary to Your Raspberry Pi
Use SCP to transfer the compiled binary to your Raspberry Pi:
```bash
# For 64-bit Raspberry Pi
scp target/aarch64-unknown-linux-gnu/release/socktop_agent pi@raspberry-pi-ip:~/
# For 32-bit Raspberry Pi
scp target/armv7-unknown-linux-gnueabihf/release/socktop_agent pi@raspberry-pi-ip:~/
```
Replace `raspberry-pi-ip` with your Raspberry Pi's IP address and `pi` with your username.
## Install Dependencies on the Raspberry Pi
SSH into your Raspberry Pi and install the required dependencies:
```bash
ssh pi@raspberry-pi-ip
# For Raspberry Pi OS (Debian-based) - 64-bit only
# (32-bit armv7 builds don't require these)
sudo apt update
sudo apt install libdrm-dev libdrm-amdgpu1
# For Arch Linux ARM - 64-bit only
sudo pacman -Syu
sudo pacman -S libdrm
```
## Make the Binary Executable and Install
```bash
chmod +x ~/socktop_agent
# Optional: Install system-wide
sudo install -o root -g root -m 0755 ~/socktop_agent /usr/local/bin/socktop_agent
# Optional: Set up as a systemd service
sudo install -o root -g root -m 0644 ~/socktop-agent.service /etc/systemd/system/socktop-agent.service
sudo systemctl daemon-reload
sudo systemctl enable --now socktop-agent
```
## Troubleshooting
If you encounter issues with the cross-compiled binary:
1. **Incorrect Architecture**: Ensure you've chosen the correct target for your Raspberry Pi model:
- For Raspberry Pi 2: use `armv7-unknown-linux-gnueabihf`
- For Raspberry Pi 3/4/5 in 64-bit mode: use `aarch64-unknown-linux-gnu`
- For Raspberry Pi 3/4/5 in 32-bit mode: use `armv7-unknown-linux-gnueabihf`
2. **Dependency Issues**: Check for missing libraries:
```bash
ldd ~/socktop_agent
```
3. **Run with Backtrace**: Get detailed error information:
```bash
RUST_BACKTRACE=1 ~/socktop_agent
```
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[Unit]
Description=Socktop agent
After=network-online.target
Wants=network-online.target
[Service]
Type=simple
ExecStart=/usr/local/bin/socktop_agent --port 3000
Environment=RUST_LOG=info
# Optional auth:
# Environment=SOCKTOP_TOKEN=changeme
Restart=on-failure
User=socktop
Group=socktop
NoNewPrivileges=true
[Install]
WantedBy=multi-user.target
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<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>socktop APT Repository</title>
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</head>
<body>
<div class="container">
<h1>socktop APT Repository</h1>
<p class="subtitle">
System monitor with remote agent support for Linux systems
</p>
<h2>📦 Quick Installation</h2>
<p>Add this repository to your Debian/Ubuntu system:</p>
<h3>Step 1: Add GPG Key</h3>
<pre><code># Add the repository's GPG signing key
curl -fsSL https://jasonwitty.github.io/socktop/KEY.gpg | \
sudo gpg --dearmor -o /usr/share/keyrings/socktop-archive-keyring.gpg</code></pre>
<h3>Step 2: Add Repository</h3>
<pre><code># Add the APT repository to your sources
echo "deb [signed-by=/usr/share/keyrings/socktop-archive-keyring.gpg] https://jasonwitty.github.io/socktop stable main" | \
sudo tee /etc/apt/sources.list.d/socktop.list</code></pre>
<h3>Step 3: Install</h3>
<pre><code># Update package lists and install
sudo apt update
sudo apt install socktop socktop-agent</code></pre>
<h2>📋 What's Included</h2>
<ul>
<li>
<strong class="highlight-blue">socktop</strong> - Terminal
UI client for monitoring systems
</li>
<li>
<strong class="highlight-mauve">socktop-agent</strong> -
Background agent that reports system metrics
</li>
</ul>
<div class="note">
<strong>Note:</strong> The agent package automatically installs
and configures a systemd service. Enable it with:
<code>sudo systemctl enable --now socktop-agent</code>
</div>
<h2>🏗️ Supported Architectures</h2>
<div>
<span class="badge arch">amd64</span>
<span class="badge arch">arm64</span>
<span class="badge arch">armhf</span>
<span class="badge arch">riscv64</span>
</div>
<h2>🔧 Usage</h2>
<p>After installation:</p>
<pre><code># Start the TUI client
socktop
# Connect to a remote agent
socktop ws://hostname:3000
# Start the agent (if not using systemd)
socktop_agent</code></pre>
<h2>🔗 Links</h2>
<ul>
<li>
<a href="https://github.com/jasonwitty/socktop"
>Source Code on GitHub</a
>
</li>
<li>
<a href="https://github.com/jasonwitty/socktop/issues"
>Report Issues</a
>
</li>
<li><a href="README.md">Repository Documentation</a></li>
</ul>
<div class="footer">
<p>Hosted on GitHub Pages | Packages signed with GPG</p>
<p>
Theme:
<a href="https://github.com/catppuccin/catppuccin"
>Catppuccin Frappe</a
>
</p>
</div>
</div>
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syntax = "proto3";
package socktop;
// All running processes. Sorting is done client-side.
message Processes {
uint64 process_count = 1; // total processes in the system
repeated Process rows = 2; // all processes
}
message Process {
uint32 pid = 1;
string name = 2;
float cpu_usage = 3; // 0..100
uint64 mem_bytes = 4; // RSS bytes
}
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[toolchain]
channel = "stable"
components = ["clippy", "rustfmt"]
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#!/usr/bin/env bash
set -euo pipefail
# Cross-check Windows build from Linux using the GNU (MinGW) toolchain.
# - Ensures target `x86_64-pc-windows-gnu` is installed
# - Verifies MinGW cross-compiler is available (x86_64-w64-mingw32-gcc)
# - Runs cargo clippy with warnings-as-errors for the Windows target
# - Builds release binaries for the Windows target
echo "[socktop] Windows cross-check: clippy + build (GNU target)"
have() { command -v "$1" >/dev/null 2>&1; }
if ! have rustup; then
echo "error: rustup not found. Install Rust via rustup first (see README)." >&2
exit 1
fi
if ! rustup target list --installed | grep -q '^x86_64-pc-windows-gnu$'; then
echo "+ rustup target add x86_64-pc-windows-gnu"
rustup target add x86_64-pc-windows-gnu
fi
if ! have x86_64-w64-mingw32-gcc; then
echo "error: Missing MinGW cross-compiler (x86_64-w64-mingw32-gcc)." >&2
if have pacman; then
echo "Arch Linux: sudo pacman -S --needed mingw-w64-gcc" >&2
elif have apt-get; then
echo "Debian/Ubuntu: sudo apt-get install -y mingw-w64" >&2
elif have dnf; then
echo "Fedora: sudo dnf install -y mingw64-gcc" >&2
else
echo "Install the mingw-w64 toolchain for your distro, then re-run." >&2
fi
exit 1
fi
CARGO_FLAGS=(--workspace --all-targets --all-features --target x86_64-pc-windows-gnu)
echo "+ cargo clippy ${CARGO_FLAGS[*]} -- -D warnings"
cargo clippy "${CARGO_FLAGS[@]}" -- -D warnings
echo "+ cargo build --release ${CARGO_FLAGS[*]}"
cargo build --release "${CARGO_FLAGS[@]}"
echo "✅ Windows clippy and build completed successfully."
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#!/usr/bin/env bash
# Build socktop + socktop_agent from source and install them.
#
# Works on Linux (x86_64, arm64/armv7, riscv64) and macOS. Handles fresh
# installs and upgrades; if a systemd socktop-agent service is present, its
# binary is replaced in place and the service restarted.
#
# ./scripts/install.sh # build HEAD of the repo you're in
# ./scripts/install.sh --ref v1.60.0 # build a tag/branch (clones if needed)
# ./scripts/install.sh --ref master # or any branch
# ./scripts/install.sh --prefix ~/.local/bin --no-service
#
set -euo pipefail
REPO_URL="https://github.com/jasonwitty/socktop.git"
REF=""
PREFIX=""
NO_SERVICE=0
SRC_DIR="${SOCKTOP_SRC_DIR:-$HOME/.cache/socktop-src}"
while [ $# -gt 0 ]; do
case "$1" in
--ref) REF="$2"; shift 2 ;;
--prefix) PREFIX="$2"; shift 2 ;;
--no-service) NO_SERVICE=1; shift ;;
-h|--help) grep '^#' "$0" | sed 's/^# \{0,1\}//'; exit 0 ;;
*) echo "unknown argument: $1" >&2; exit 2 ;;
esac
done
say() { printf '\033[1;36m==>\033[0m %s\n' "$*"; }
warn() { printf '\033[1;33mwarn:\033[0m %s\n' "$*" >&2; }
die() { printf '\033[1;31merror:\033[0m %s\n' "$*" >&2; exit 1; }
# The entire remainder runs inside main(), invoked on the LAST line. This
# makes the script safe against being MODIFIED WHILE RUNNING: when executed
# from the clone it manages, the git checkout below replaces this very file,
# and bash reads scripts lazily by byte offset — without this wrapper it
# resumes parsing the NEW file at the OLD offset and executes an arbitrary
# tail of it (observed: the fresh-service path ran on a host whose unit
# already existed). With main(), the whole script is parsed before any of
# it executes.
main() {
OS="$(uname -s)"
ARCH="$(uname -m)"
# ---------- toolchain ----------
command -v git >/dev/null || die "git is required"
if ! command -v cargo >/dev/null; then
# rustup may be installed but not on PATH in this shell
[ -f "$HOME/.cargo/env" ] && . "$HOME/.cargo/env"
fi
if ! command -v cargo >/dev/null; then
say "Rust toolchain not found — installing via rustup (stable, default profile)"
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal
. "$HOME/.cargo/env"
fi
command -v cc >/dev/null || warn "no C compiler found (apt: build-essential / brew: xcode-select --install) — the build may fail"
case "$ARCH" in
riscv64*)
# protoc-bin-vendored ships no riscv64 binary; the build falls back to
# the system protoc (see build.rs).
command -v protoc >/dev/null || die "riscv64 needs a system protoc: sudo apt install protobuf-compiler"
;;
esac
# ---------- source ----------
# If run from inside a socktop checkout and no --ref given, build that tree
# as-is (whatever is checked out, including local changes).
if [ -z "$REF" ] && git rev-parse --show-toplevel >/dev/null 2>&1 \
&& grep -qs '^name = "socktop"' "$(git rev-parse --show-toplevel)/socktop/Cargo.toml" 2>/dev/null; then
SRC_DIR="$(git rev-parse --show-toplevel)"
say "Building the current checkout: $SRC_DIR ($(git -C "$SRC_DIR" describe --always --dirty 2>/dev/null))"
else
REF="${REF:-master}"
if [ ! -d "$SRC_DIR/.git" ]; then
say "Cloning $REPO_URL -> $SRC_DIR"
git clone "$REPO_URL" "$SRC_DIR"
fi
say "Checking out $REF"
git -C "$SRC_DIR" fetch --tags origin
git -C "$SRC_DIR" checkout -q "$REF"
# fast-forward when REF is a branch
git -C "$SRC_DIR" merge --ff-only "origin/$REF" >/dev/null 2>&1 || true
fi
# ---------- build ----------
say "Building release binaries (this can take a while on SBCs)"
( cd "$SRC_DIR" && cargo build --release -p socktop -p socktop_agent )
CLIENT="$SRC_DIR/target/release/socktop"
AGENT="$SRC_DIR/target/release/socktop_agent"
# ---------- install ----------
if [ -z "$PREFIX" ]; then
PREFIX="/usr/local/bin"
fi
SUDO=""
if [ ! -w "$PREFIX" ]; then
if command -v sudo >/dev/null; then SUDO="sudo"; else
PREFIX="$HOME/.local/bin"; mkdir -p "$PREFIX"
warn "no sudo — installing to $PREFIX (ensure it is on your PATH)"
fi
fi
say "Installing to $PREFIX"
$SUDO install -m 755 "$CLIENT" "$PREFIX/socktop"
$SUDO install -m 755 "$AGENT" "$PREFIX/socktop_agent"
# Update every other copy on PATH as well. A stale `cargo install` in
# ~/.cargo/bin would otherwise SHADOW the fresh binary (~/.cargo/bin
# usually precedes /usr/local/bin on PATH), leaving `socktop --version`
# stuck on the old release after a "successful" install.
update_path_copies() {
local name="$1" src="$2" copy dir
# type -ap lists every match on PATH (bash builtin, symlinks not resolved)
for copy in $(type -ap "$name" | sort -u); do
[ "$copy" = "$PREFIX/$name" ] && continue
dir="$(dirname "$copy")"
say "Updating additional copy on PATH: $copy"
if [ -w "$copy" ] || [ -w "$dir" ]; then
install -m 755 "$src" "$copy"
else
# Non-fatal: an un-updatable extra copy shouldn't kill the install,
# but the user must know it may shadow the fresh binary.
$SUDO install -m 755 "$src" "$copy" || warn "could not update $copy — it may shadow $PREFIX/$name"
fi
done
}
update_path_copies socktop "$CLIENT"
update_path_copies socktop_agent "$AGENT"
# ---------- systemd service (Linux only) ----------
# System-level operations (unit files, users, service control) need root no
# matter where the binaries were installed — decide independently of PREFIX.
SYS_SUDO=""
if [ "$(id -u)" -ne 0 ]; then
if command -v sudo >/dev/null; then SYS_SUDO="sudo"; else SYS_SUDO="__none__"; fi
fi
if [ "$SYS_SUDO" = "__none__" ] && [ "$NO_SERVICE" -eq 0 ]; then
warn "no sudo available — skipping systemd service management"
NO_SERVICE=1
fi
if [ "$OS" = "Linux" ] && [ "$NO_SERVICE" -eq 0 ] && command -v systemctl >/dev/null; then
if systemctl cat socktop-agent.service >/dev/null 2>&1; then
# UPGRADE: the unit file is the operator's (SSL, tokens, ports may be
# configured there) — never overwrite it. Only the binary it points at
# is replaced, then the service is restarted.
say "Existing socktop-agent.service found — preserving unit file, refreshing binary"
UNIT_BIN="$(systemctl show -p ExecStart socktop-agent.service 2>/dev/null \
| sed -n 's/.*path=\([^ ;]*\).*/\1/p' | head -1)"
if [ -n "$UNIT_BIN" ] && [ "$UNIT_BIN" != "$PREFIX/socktop_agent" ]; then
$SYS_SUDO systemctl stop socktop-agent.service
$SYS_SUDO install -m 755 "$AGENT" "$UNIT_BIN"
$SYS_SUDO systemctl start socktop-agent.service
else
$SYS_SUDO systemctl restart socktop-agent.service
fi
else
# FRESH INSTALL: unit + the system user it runs as + its state dir,
# then enable and start. Mirrors the deb package's postinst and
# https://www.socktop.io/assets/docs/installation/agent-service.html
say "No socktop-agent.service found — installing and enabling it"
if ! getent group socktop >/dev/null; then
$SYS_SUDO groupadd --system socktop
fi
if ! getent passwd socktop >/dev/null; then
NOLOGIN="$(command -v nologin || echo /usr/sbin/nologin)"
$SYS_SUDO useradd --system -g socktop -d /var/lib/socktop -M -s "$NOLOGIN" socktop
fi
$SYS_SUDO mkdir -p /var/lib/socktop
$SYS_SUDO chown socktop:socktop /var/lib/socktop
$SYS_SUDO chmod 755 /var/lib/socktop
UNIT_TMP="$(mktemp)"
if [ -f "$SRC_DIR/docs/socktop-agent.service" ]; then
cp "$SRC_DIR/docs/socktop-agent.service" "$UNIT_TMP"
else
# Fallback for refs that predate docs/socktop-agent.service
cat > "$UNIT_TMP" <<'UNIT'
[Unit]
Description=Socktop agent
After=network-online.target
Wants=network-online.target
[Service]
Type=simple
ExecStart=/usr/local/bin/socktop_agent --port 3000
Environment=RUST_LOG=info
# Optional auth:
# Environment=SOCKTOP_TOKEN=changeme
# TLS (self-signed cert on first run, default port 8443):
# Environment=SOCKTOP_ENABLE_SSL=1
Restart=on-failure
User=socktop
Group=socktop
NoNewPrivileges=true
[Install]
WantedBy=multi-user.target
UNIT
fi
# Pick the agent port: 3000 by default, but NEVER bind onto a port that
# something else already holds (e.g. Gitea/Umami and friends love 3000)
# — that puts the fresh service straight into a crash-restart loop.
AGENT_PORT=""
for p in 3000 3001 3010 3231 3232; do
if ! ss -tln 2>/dev/null | awk '{print $4}' | grep -q ":${p}\$"; then
AGENT_PORT="$p"
break
fi
done
if [ -z "$AGENT_PORT" ]; then
AGENT_PORT=3000
warn "no free port among the defaults — using 3000; edit the unit if the service fails to start"
elif [ "$AGENT_PORT" != "3000" ]; then
warn "port 3000 is already in use by another service — configuring the agent on port $AGENT_PORT"
fi
# Point ExecStart at wherever this run installed the agent, on the chosen port.
sed -i.bak -e "s|^ExecStart=[^ ]*socktop_agent|ExecStart=$PREFIX/socktop_agent|" \
-e "s|--port [0-9]*|--port $AGENT_PORT|" "$UNIT_TMP"
rm -f "$UNIT_TMP.bak"
$SYS_SUDO install -o root -g root -m 0644 "$UNIT_TMP" /etc/systemd/system/socktop-agent.service
rm -f "$UNIT_TMP"
$SYS_SUDO systemctl daemon-reload
$SYS_SUDO systemctl enable --now socktop-agent.service
say "Service installed — agent URL: ws://$(hostname):$AGENT_PORT/ws"
say "To enable TLS or a token, edit /etc/systemd/system/socktop-agent.service, then: sudo systemctl daemon-reload && sudo systemctl restart socktop-agent"
fi
sleep 1
systemctl --no-pager -l status socktop-agent.service | head -5 || true
fi
say "Installed:"
"$PREFIX/socktop" --version
"$PREFIX/socktop_agent" --version
say "Active on PATH: $(type -p socktop || true) / $(type -p socktop_agent || true)"
socktop --version
}
# exit in the same parse unit as the call: after main returns, bash must not
# read another byte from this (possibly replaced) file.
main "$@"; exit $?
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#!/usr/bin/env bash
set -euo pipefail
# Publish job: "publish new socktop agent version"
# Usage: ./scripts/publish_socktop_agent.sh <new_version>
if [[ ${1:-} == "" ]]; then
echo "Usage: $0 <new_version>" >&2
exit 1
fi
NEW_VERSION="$1"
ROOT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.." && pwd)
CRATE_DIR="$ROOT_DIR/socktop_agent"
echo "==> Formatting socktop_agent"
(cd "$ROOT_DIR" && cargo fmt -p socktop_agent)
echo "==> Running tests for socktop_agent"
(cd "$ROOT_DIR" && cargo test -p socktop_agent)
echo "==> Running clippy (warnings as errors) for socktop_agent"
(cd "$ROOT_DIR" && cargo clippy -p socktop_agent -- -D warnings)
echo "==> Building release for socktop_agent"
(cd "$ROOT_DIR" && cargo build -p socktop_agent --release)
echo "==> Bumping version to $NEW_VERSION in socktop_agent/Cargo.toml"
sed -i.bak -E "s/^version = \"[0-9]+\.[0-9]+\.[0-9]+\"/version = \"$NEW_VERSION\"/" "$CRATE_DIR/Cargo.toml"
rm -f "$CRATE_DIR/Cargo.toml.bak"
echo "==> Committing version bump"
(cd "$ROOT_DIR" && git add -A && git commit -m "socktop_agent: bump version to $NEW_VERSION")
CURRENT_BRANCH=$(cd "$ROOT_DIR" && git rev-parse --abbrev-ref HEAD)
echo "==> Pushing to origin $CURRENT_BRANCH"
(cd "$ROOT_DIR" && git push origin "$CURRENT_BRANCH")
echo "==> Publishing socktop_agent $NEW_VERSION to crates.io"
(cd "$ROOT_DIR" && cargo publish -p socktop_agent)
echo "==> Done: socktop_agent $NEW_VERSION published"
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@@ -1,26 +0,0 @@
#!/usr/bin/env bash
set -euo pipefail
# Sync this repo to the 'gitea' remote as a mirror.
# - Mirrors ALL refs (branches, tags) and prunes removed ones.
# - This makes the Gitea repo match GitHub exactly.
if ! git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
echo "Error: not inside a git repo" >&2
exit 1
fi
if ! git remote get-url gitea >/dev/null 2>&1; then
echo "Missing 'gitea' remote. Add it with:" >&2
echo " git remote add gitea https://gt.wittyoneoff.com/jason/socktop.git" >&2
exit 1
fi
echo "Fetching from origin (pruning)..."
git fetch origin --prune --tags
echo "Pushing mirror to gitea..."
git push gitea --mirror
echo "Done: Gitea should now match origin (GitHub)."
-49
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[package]
name = "socktop"
version = "1.60.2"
authors = ["Jason Witty <jasonpwitty+socktop@proton.me>"]
description = "Remote system monitor over WebSocket, TUI like top"
edition = "2024"
license = "MIT"
readme = "README.md"
homepage = "https://github.com/jasonwitty/socktop"
repository = "https://github.com/jasonwitty/socktop"
[dependencies]
# socktop connector for agent communication
socktop_connector = { version = "1.60.1", path = "../socktop_connector" }
tokio = { workspace = true }
futures-util = { workspace = true }
serde = { workspace = true }
serde_json = { workspace = true }
url = { workspace = true }
ratatui = { workspace = true }
crossterm = { workspace = true }
unicode-width = { workspace = true }
anyhow = { workspace = true }
# Local process signalling only (src/proc_kill.rs). The TUI never gathers its
# own metrics — everything on screen comes from the agent over the connector.
sysinfo = { workspace = true }
dirs-next = { workspace = true }
[dev-dependencies]
assert_cmd = "2.0"
tempfile = "3"
[package.metadata.deb]
maintainer = "Jason Witty <jasonpwitty+socktop@proton.me>"
copyright = "2024, Jason Witty <jasonpwitty+socktop@proton.me>"
license-file = ["../LICENSE", "4"]
extended-description = """\
socktop is a remote system monitor with a rich terminal user interface (TUI) \
that connects to remote hosts running the socktop_agent over WebSocket. \
It provides real-time monitoring of CPU, memory, processes, and more with \
an interface similar to the traditional 'top' command."""
depends = "$auto"
section = "admin"
priority = "optional"
assets = [
["target/release/socktop", "usr/bin/", "755"],
["../README.md", "usr/share/doc/socktop/", "644"],
]
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@@ -1,26 +0,0 @@
# socktop (client)
Minimal TUI client for the socktop remote monitoring agent.
Features:
- Connects to a socktop_agent over WebSocket / secure WebSocket
- Displays CPU, memory, swap, disks, network, processes, (optional) GPU metrics
- Selfsigned TLS cert pinning via --tls-ca
- Profile management with saved intervals
- Low CPU usage (request-driven updates)
Quick start:
```
cargo install socktop
socktop ws://HOST:3000/ws
```
With TLS (copy agent cert first):
```
socktop --tls-ca cert.pem wss://HOST:8443/ws
```
Demo mode (spawns a local agent automatically on first run prompt):
```
socktop --demo
```
Full documentation, screenshots, and advanced usage:
https://github.com/jasonwitty/socktop
-15
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@@ -1,15 +0,0 @@
syntax = "proto3";
package socktop;
// All running processes. Sorting is done client-side.
message Processes {
uint64 process_count = 1; // total processes in the system
repeated Process rows = 2; // all processes
}
message Process {
uint32 pid = 1;
string name = 2;
float cpu_usage = 3; // 0..100
uint64 mem_bytes = 4; // RSS bytes
}
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//! Small utilities to manage bounded history buffers for charts.
use std::collections::VecDeque;
/// Push a value into a capped deque. Returns the evicted front element if any.
/// Callers maintaining a running sum can use this to update the sum without
/// re-iterating the whole deque.
pub fn push_capped<T>(dq: &mut VecDeque<T>, v: T, cap: usize) -> Option<T> {
let evicted = if dq.len() == cap {
dq.pop_front()
} else {
None
};
dq.push_back(v);
evicted
}
// Keeps a history deque per core with a fixed capacity.
// Storage is u64 so sparkline rendering can hand the slice directly to
// ratatui's `Sparkline::data` (which takes `&[u64]`) without per-frame
// allocation or widening conversion.
pub struct PerCoreHistory {
pub deques: Vec<VecDeque<u64>>,
cap: usize,
}
impl PerCoreHistory {
pub fn new(cap: usize) -> Self {
Self {
deques: Vec::new(),
cap,
}
}
// Ensure we have one deque per core; resize on CPU topology changes
pub fn ensure_cores(&mut self, n: usize) {
if self.deques.len() == n {
return;
}
self.deques = (0..n).map(|_| VecDeque::with_capacity(self.cap)).collect();
}
// Push a new sample set for all cores (values 0..=100)
pub fn push_samples(&mut self, samples: &[f32]) {
self.ensure_cores(samples.len());
for (i, v) in samples.iter().enumerate() {
let val = v.clamp(0.0, 100.0).round() as u64;
push_capped(&mut self.deques[i], val, self.cap);
}
}
}
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//! Library surface for integration tests and reuse.
pub mod types;
// Re-export connector functionality
pub use socktop_connector::{SocktopConnector, connect_to_socktop_agent};
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//! Detection of whether the connected agent is running on this same machine.
//!
//! Process-kill is only offered for *local* agents. The reasoning is a
//! security one: the PIDs shown in the UI are reported by the agent, and when
//! the user asks to kill one, socktop sends the signal with its OWN local OS
//! privileges (a direct syscall — never over the network; see [`crate::proc_kill`]).
//! A PID is therefore only meaningful — and only safe to act on — when the
//! agent lives on this machine. If we acted on a remote agent's PIDs we would
//! be signalling whatever unrelated *local* process happened to share that
//! number.
//!
//! An address is considered local when it is loopback, or when we can bind an
//! ephemeral socket to it: a bind only succeeds for an address assigned to one
//! of this host's own network interfaces, so it also covers the case of an
//! agent reached over this machine's LAN IP. Detection fails closed — any
//! parse/resolution failure, or any resolved address that is not local,
//! disables the feature.
use std::net::{IpAddr, ToSocketAddrs, UdpSocket};
/// Returns true only if the agent reached at `ws_url` is on this machine.
pub fn agent_is_local(ws_url: &str) -> bool {
let Ok(parsed) = url::Url::parse(ws_url) else {
return false;
};
match parsed.host() {
// IP literals can be checked directly without any name resolution.
Some(url::Host::Ipv4(ip)) => ip_is_local(IpAddr::V4(ip)),
Some(url::Host::Ipv6(ip)) => ip_is_local(IpAddr::V6(ip)),
// A hostname (e.g. "localhost", or a LAN name) must resolve, and every
// address it resolves to must be local. ws=80, wss=443 are the known
// default ports; an explicit port in the URL is honored.
Some(url::Host::Domain(domain)) => {
let port = parsed.port_or_known_default().unwrap_or(0);
match (domain, port).to_socket_addrs() {
Ok(addrs) => {
let mut saw_any = false;
for addr in addrs {
saw_any = true;
if !ip_is_local(addr.ip()) {
return false;
}
}
saw_any
}
Err(_) => false,
}
}
None => false,
}
}
/// An address is local if it is loopback, or if we can bind an ephemeral
/// socket to it (only possible for an address on one of our own interfaces).
/// Port 0 requests an ephemeral port and sends no traffic.
fn ip_is_local(ip: IpAddr) -> bool {
ip.is_loopback() || UdpSocket::bind((ip, 0)).is_ok()
}
#[cfg(test)]
mod tests {
use super::agent_is_local;
#[test]
fn loopback_hosts_are_local() {
assert!(agent_is_local("ws://127.0.0.1:3000/ws"));
assert!(agent_is_local("ws://localhost:3000/ws"));
assert!(agent_is_local("ws://[::1]:3000/ws"));
assert!(agent_is_local("wss://127.0.0.1/ws"));
}
#[test]
fn public_addresses_are_not_local() {
// 8.8.8.8 is not assigned to any local interface.
assert!(!agent_is_local("ws://8.8.8.8:3000/ws"));
// Documentation-range address, guaranteed not bound locally.
assert!(!agent_is_local("ws://203.0.113.1:3000/ws"));
}
#[test]
fn garbage_fails_closed() {
assert!(!agent_is_local("not a url"));
assert!(!agent_is_local(""));
}
}
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//! Entry point for the socktop TUI. Parses args and runs the App.
mod app;
mod history;
mod local;
mod proc_kill;
mod profiles;
mod retry;
mod types;
mod ui; // pure retry timing logic
use app::App;
use profiles::{ProfileEntry, ProfileRequest, ResolveProfile, load_profiles, save_profiles};
use std::env;
use std::io::{self, Write};
pub(crate) struct ParsedArgs {
url: Option<String>,
tls_ca: Option<String>,
profile: Option<String>,
save: bool,
demo: bool,
dry_run: bool, // hidden test helper: skip connecting
metrics_interval_ms: Option<u64>,
processes_interval_ms: Option<u64>,
verify_hostname: bool,
compact: bool,
no_kill: bool,
}
/// True when the `SOCKTOP_NO_KILL` environment variable disables the process-kill
/// feature. Any value other than empty, `0`, or `false` (case-insensitive) counts
/// as set, so a deployment can export `SOCKTOP_NO_KILL=1` once and every socktop
/// launched under it — whatever its command line — has the feature off.
pub(crate) fn no_kill_from_env() -> bool {
match env::var("SOCKTOP_NO_KILL") {
Ok(v) => !v.is_empty() && v != "0" && !v.eq_ignore_ascii_case("false"),
Err(_) => false,
}
}
pub(crate) fn parse_args<I: IntoIterator<Item = String>>(args: I) -> Result<ParsedArgs, String> {
let mut it = args.into_iter();
let prog = it.next().unwrap_or_else(|| "socktop".into());
let mut url: Option<String> = None;
let mut tls_ca: Option<String> = None;
let mut profile: Option<String> = None;
let mut save = false;
let mut demo = false;
let mut dry_run = false;
let mut metrics_interval_ms: Option<u64> = None;
let mut processes_interval_ms: Option<u64> = None;
let mut verify_hostname = false;
let mut compact = false;
let mut no_kill = false;
while let Some(arg) = it.next() {
match arg.as_str() {
"-h" | "--help" => {
return Err(format!(
"Usage: {prog} [--tls-ca CERT_PEM|-t CERT_PEM] [--verify-hostname] [--profile NAME|-P NAME] [--save] [--demo] [--compact] [--no-kill] [--metrics-interval-ms N] [--processes-interval-ms N] [ws://HOST:PORT/ws]\n"
));
}
"--tls-ca" | "-t" => {
tls_ca = it.next();
}
"--verify-hostname" => {
// opt-in hostname (SAN) verification
// default behavior is to skip it for easier home network usage
// (still pins the provided certificate)
verify_hostname = true;
}
"--profile" | "-P" => {
profile = it.next();
}
"--save" => {
save = true;
}
"--demo" => {
demo = true;
}
"--compact" => {
// Force the small-window layout at any terminal size. Without it the
// layout switches on its own once the window gets too short.
compact = true;
}
"--no-kill" => {
// Disable the local process-kill feature even when the agent is
// local. For shared/kiosk deployments; SOCKTOP_NO_KILL=1 in the
// environment does the same without touching the command line.
no_kill = true;
}
"--dry-run" => {
// intentionally undocumented
dry_run = true;
}
"--metrics-interval-ms" => {
metrics_interval_ms = it.next().and_then(|v| v.parse().ok());
}
"--processes-interval-ms" => {
processes_interval_ms = it.next().and_then(|v| v.parse().ok());
}
_ if arg.starts_with("--tls-ca=") => {
if let Some((_, v)) = arg.split_once('=')
&& !v.is_empty()
{
tls_ca = Some(v.to_string());
}
}
_ if arg.starts_with("--profile=") => {
if let Some((_, v)) = arg.split_once('=')
&& !v.is_empty()
{
profile = Some(v.to_string());
}
}
_ if arg.starts_with("--metrics-interval-ms=") => {
if let Some((_, v)) = arg.split_once('=') {
metrics_interval_ms = v.parse().ok();
}
}
_ if arg.starts_with("--processes-interval-ms=") => {
if let Some((_, v)) = arg.split_once('=') {
processes_interval_ms = v.parse().ok();
}
}
_ => {
if url.is_none() {
url = Some(arg);
} else {
return Err(format!(
"Unexpected argument. Usage: {prog} [--tls-ca CERT_PEM|-t CERT_PEM] [--verify-hostname] [--profile NAME|-P NAME] [--save] [--demo] [--compact] [--no-kill] [ws://HOST:PORT/ws]"
));
}
}
}
}
Ok(ParsedArgs {
url,
tls_ca,
profile,
save,
demo,
dry_run,
metrics_interval_ms,
processes_interval_ms,
verify_hostname,
compact,
no_kill,
})
}
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
let parsed = match parse_args(env::args()) {
Ok(v) => v,
Err(msg) => {
eprintln!("{msg}");
return Ok(());
}
};
//support version flag (print and exit)
if env::args().any(|a| a == "--version" || a == "-V") {
println!("socktop {}", env!("CARGO_PKG_VERSION"));
return Ok(());
}
if parsed.demo || matches!(parsed.profile.as_deref(), Some("demo")) {
return run_demo_mode(parsed.tls_ca.as_deref(), parsed.compact, parsed.no_kill).await;
}
let profiles_file = load_profiles();
let req = ProfileRequest {
profile_name: parsed.profile.clone(),
url: parsed.url.clone(),
tls_ca: parsed.tls_ca.clone(),
};
let resolved = req.resolve(&profiles_file);
let mut profiles_mut = profiles_file.clone();
let (url, tls_ca, metrics_interval_ms, processes_interval_ms): (
String,
Option<String>,
Option<u64>,
Option<u64>,
) = match resolved {
ResolveProfile::Direct(u, t) => {
if let Some(name) = parsed.profile.as_ref() {
let existing = profiles_mut.profiles.get(name);
match existing {
None => {
let (mi, pi) = gather_intervals(
parsed.metrics_interval_ms,
parsed.processes_interval_ms,
)?;
profiles_mut.profiles.insert(
name.clone(),
ProfileEntry {
url: u.clone(),
tls_ca: t.clone(),
metrics_interval_ms: mi,
processes_interval_ms: pi,
},
);
let _ = save_profiles(&profiles_mut);
(u, t, mi, pi)
}
Some(entry) => {
let changed = entry.url != u || entry.tls_ca != t;
if changed {
let overwrite = if parsed.save {
true
} else {
prompt_yes_no(&format!(
"Overwrite existing profile '{name}'? [y/N]: "
))
};
if overwrite {
let (mi, pi) = gather_intervals(
parsed.metrics_interval_ms,
parsed.processes_interval_ms,
)?;
profiles_mut.profiles.insert(
name.clone(),
ProfileEntry {
url: u.clone(),
tls_ca: t.clone(),
metrics_interval_ms: mi,
processes_interval_ms: pi,
},
);
let _ = save_profiles(&profiles_mut);
(u, t, mi, pi)
} else {
(u, t, entry.metrics_interval_ms, entry.processes_interval_ms)
}
} else {
(u, t, entry.metrics_interval_ms, entry.processes_interval_ms)
}
}
}
} else {
(
u,
t,
parsed.metrics_interval_ms,
parsed.processes_interval_ms,
)
}
}
ResolveProfile::Loaded(u, t) => {
let entry = profiles_mut
.profiles
.get(parsed.profile.as_ref().unwrap())
.unwrap();
(u, t, entry.metrics_interval_ms, entry.processes_interval_ms)
}
ResolveProfile::PromptSelect(mut names) => {
if !names.iter().any(|n: &String| n == "demo") {
names.push("demo".into());
}
eprintln!("Select profile:");
for (i, n) in names.iter().enumerate() {
eprintln!(" {}. {}", i + 1, n);
}
eprint!("Enter number (or blank to abort): ");
let _ = io::stderr().flush();
let mut line = String::new();
if io::stdin().read_line(&mut line).is_ok() {
if let Ok(idx) = line.trim().parse::<usize>() {
if (1..=names.len()).contains(&idx) {
let name = &names[idx - 1];
if name == "demo" {
return run_demo_mode(parsed.tls_ca.as_deref(), parsed.compact, parsed.no_kill).await;
}
if let Some(entry) = profiles_mut.profiles.get(name) {
(
entry.url.clone(),
entry.tls_ca.clone(),
entry.metrics_interval_ms,
entry.processes_interval_ms,
)
} else {
return Ok(());
}
} else {
return Ok(());
}
} else {
return Ok(());
}
} else {
return Ok(());
}
}
ResolveProfile::PromptCreate(name) => {
eprintln!("Profile '{name}' does not exist yet.");
let url = prompt_string("Enter URL (ws://HOST:PORT/ws or wss://...): ")?;
if url.trim().is_empty() {
return Ok(());
}
let ca = prompt_string("Enter TLS CA path (or leave blank): ")?;
let ca_opt = if ca.trim().is_empty() {
None
} else {
Some(ca.trim().to_string())
};
let (mi, pi) =
gather_intervals(parsed.metrics_interval_ms, parsed.processes_interval_ms)?;
profiles_mut.profiles.insert(
name.clone(),
ProfileEntry {
url: url.trim().to_string(),
tls_ca: ca_opt.clone(),
metrics_interval_ms: mi,
processes_interval_ms: pi,
},
);
let _ = save_profiles(&profiles_mut);
(url.trim().to_string(), ca_opt, mi, pi)
}
ResolveProfile::None => {
//eprintln!("No URL provided and no profiles to select.");
//first run, no args, no profiles: show welcome message and offer demo mode
if profiles_mut.profiles.is_empty() && parsed.url.is_none() {
eprintln!("Welcome to socktop!");
eprintln!("It looks like this is your first time running the application.");
eprintln!(
"You can connect to a socktop_agent instance to monitor system metrics and processes."
);
eprintln!("If you don't have an agent running, you can try the demo mode.");
if prompt_yes_no("Would you like to start the demo mode now? [Y/n]: ") {
return run_demo_mode(parsed.tls_ca.as_deref(), parsed.compact, parsed.no_kill).await;
} else {
eprintln!("Aborting. You can run 'socktop --help' for usage information.");
return Ok(());
}
}
return Err("No URL provided and no profiles to select.".into());
}
};
let is_tls = url.starts_with("wss://");
let has_token = url.contains("token=");
// Only enable local process-kill when the agent is verified to be on this
// machine — otherwise on-screen PIDs refer to a remote host and acting on
// them locally would signal the wrong process (see local::agent_is_local) —
// AND neither --no-kill nor SOCKTOP_NO_KILL disables it as a matter of
// policy (shared terminals, public demos).
let kill_enabled = local::agent_is_local(&url) && !parsed.no_kill && !no_kill_from_env();
let mut app = App::new()
.with_intervals(metrics_interval_ms, processes_interval_ms)
.with_status(is_tls, has_token)
.with_compact(parsed.compact)
.with_kill_enabled(kill_enabled);
if parsed.dry_run {
return Ok(());
}
app.run(&url, tls_ca.as_deref(), parsed.verify_hostname)
.await
}
fn prompt_yes_no(prompt: &str) -> bool {
eprint!("{prompt}");
let _ = io::stderr().flush();
let mut line = String::new();
if io::stdin().read_line(&mut line).is_ok() {
matches!(line.trim().to_ascii_lowercase().as_str(), "y" | "yes")
} else {
false
}
}
fn prompt_string(prompt: &str) -> io::Result<String> {
eprint!("{prompt}");
let _ = io::stderr().flush();
let mut line = String::new();
io::stdin().read_line(&mut line)?;
Ok(line)
}
fn gather_intervals(
arg_metrics: Option<u64>,
arg_procs: Option<u64>,
) -> Result<(Option<u64>, Option<u64>), Box<dyn std::error::Error>> {
let default_metrics = 500u64;
let default_procs = 2000u64;
let metrics = match arg_metrics {
Some(v) => Some(v),
None => {
let inp = prompt_string(&format!(
"Metrics interval ms (default {default_metrics}, Enter for default): "
))?;
let t = inp.trim();
if t.is_empty() {
Some(default_metrics)
} else {
Some(t.parse()?)
}
}
};
let procs = match arg_procs {
Some(v) => Some(v),
None => {
let inp = prompt_string(&format!(
"Processes interval ms (default {default_procs}, Enter for default): "
))?;
let t = inp.trim();
if t.is_empty() {
Some(default_procs)
} else {
Some(t.parse()?)
}
}
};
Ok((metrics, procs))
}
// Demo mode implementation
async fn run_demo_mode(
_tls_ca: Option<&str>,
compact: bool,
no_kill: bool,
) -> Result<(), Box<dyn std::error::Error>> {
let port = 3231;
let url = format!("ws://127.0.0.1:{port}/ws");
let child = match spawn_demo_agent(port) {
Ok(child) => child,
// The agent ships as its own binary, so a missing one is a setup problem,
// not a crash: tell the user how to fix it instead of dumping an io error.
Err(e @ DemoAgentError::NotFound(_)) => {
eprintln!("{e}");
return Ok(());
}
Err(e) => return Err(e.into()),
};
// Demo mode runs the real agent on loopback, so its PIDs are real local
// processes — enable the local process-kill feature, gated the same way as
// the normal connect path (loopback resolves local, --no-kill and
// SOCKTOP_NO_KILL still override).
let mut app = App::new()
.with_compact(compact)
.with_kill_enabled(local::agent_is_local(&url) && !no_kill && !no_kill_from_env());
// Demo mode connects to localhost, so disable hostname verification
tokio::select! { res=app.run(&url,None,false)=>{ drop(child); res } _=tokio::signal::ctrl_c()=>{ drop(child); Ok(()) } }
}
struct DemoGuard {
port: u16,
child: std::sync::Arc<std::sync::Mutex<Option<std::process::Child>>>,
}
impl Drop for DemoGuard {
fn drop(&mut self) {
if let Some(mut ch) = self.child.lock().unwrap().take() {
let _ = ch.kill();
}
eprintln!("Stopped demo agent on port {}", self.port);
}
}
#[derive(Debug)]
enum DemoAgentError {
/// The socktop_agent executable could not be located.
NotFound(std::path::PathBuf),
Io(std::io::Error),
}
impl std::fmt::Display for DemoAgentError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Self::NotFound(candidate) => write!(
f,
"Could not start demo mode: '{}' was not found{}.\n\
\n\
Demo mode runs a local agent, which is shipped as a separate binary\n\
and is not installed alongside the socktop TUI. Install it with:\n\
\n cargo install socktop_agent\n\n\
then run socktop again. See {} for other install options.",
candidate.display(),
// A bare file name means find_agent_executable() fell back to a PATH lookup.
if candidate.parent().is_none_or(|p| p.as_os_str().is_empty()) {
" on your PATH"
} else {
""
},
env!("CARGO_PKG_HOMEPAGE"),
),
Self::Io(e) => write!(f, "Could not start demo mode: {e}"),
}
}
}
impl std::error::Error for DemoAgentError {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
match self {
Self::NotFound(_) => None,
Self::Io(e) => Some(e),
}
}
}
fn spawn_demo_agent(port: u16) -> Result<DemoGuard, DemoAgentError> {
let candidate = find_agent_executable();
let mut cmd = std::process::Command::new(&candidate);
cmd.arg("--port").arg(port.to_string());
cmd.env("SOCKTOP_ENABLE_SSL", "0");
//JW: do not disable GPU and TEMP in demo mode
//cmd.env("SOCKTOP_AGENT_GPU", "0");
//cmd.env("SOCKTOP_AGENT_TEMP", "0");
let child = cmd.spawn().map_err(|e| match e.kind() {
std::io::ErrorKind::NotFound => DemoAgentError::NotFound(candidate),
_ => DemoAgentError::Io(e),
})?;
std::thread::sleep(std::time::Duration::from_millis(300));
Ok(DemoGuard {
port,
child: std::sync::Arc::new(std::sync::Mutex::new(Some(child))),
})
}
fn find_agent_executable() -> std::path::PathBuf {
if let Ok(exe) = std::env::current_exe()
&& let Some(parent) = exe.parent()
{
#[cfg(windows)]
let name = "socktop_agent.exe";
#[cfg(not(windows))]
let name = "socktop_agent";
let candidate = parent.join(name);
if candidate.exists() {
return candidate;
}
}
std::path::PathBuf::from("socktop_agent")
}
-181
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@@ -1,181 +0,0 @@
//! Local process termination.
//!
//! Signals are sent by socktop itself, using this process's own OS privileges,
//! via a direct `sysinfo` call. Nothing is transmitted to the agent — the
//! agent and connector have no kill capability at all. This code path is only
//! reachable once the agent has been verified to be local (see
//! [`crate::local`]), which guarantees the PID refers to a process on this
//! machine.
use sysinfo::{ProcessRefreshKind, ProcessesToUpdate, Signal, System};
/// The signals socktop can send. Deliberately limited to the two btop-style
/// primaries; no arbitrary-signal chooser.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum KillSignal {
/// SIGTERM — polite request to terminate.
Term,
/// SIGKILL — forceful, cannot be caught.
Kill,
}
impl KillSignal {
fn as_sysinfo(self) -> Signal {
match self {
KillSignal::Term => Signal::Term,
KillSignal::Kill => Signal::Kill,
}
}
/// Human-facing label for confirmation/result messages.
pub fn label(self) -> &'static str {
match self {
KillSignal::Term => "SIGTERM",
KillSignal::Kill => "SIGKILL",
}
}
}
/// Is `pid` still a live local process?
///
/// A zombie counts as gone: after a kill the entry can linger until the parent
/// reaps it, and showing a row for a process that no longer runs is exactly the
/// staleness this check exists to avoid.
pub fn process_exists(pid: u32) -> bool {
let spid = sysinfo::Pid::from_u32(pid);
let mut sys = System::new();
sys.refresh_processes_specifics(
ProcessesToUpdate::Some(&[spid]),
false,
ProcessRefreshKind::nothing(),
);
match sys.process(spid) {
Some(p) => p.status() != sysinfo::ProcessStatus::Zombie,
None => false,
}
}
/// Send `signal` to local process `pid`. Returns `Ok(())` on success, or an
/// `Err` with a human-readable reason (process gone, PID reused, permission
/// denied, signal unsupported on this platform).
///
/// `expected_name`, when given, is compared against the process that owns the
/// PID **right now**: the PID came from an agent snapshot and the confirmation
/// dialog can sit open indefinitely, so by signal time the kernel may have
/// recycled the number for an unrelated process. Both names come from the
/// same sysinfo source, so a live, unchanged target compares equal.
pub fn kill_local_process(
pid: u32,
expected_name: Option<&str>,
signal: KillSignal,
) -> Result<(), String> {
let spid = sysinfo::Pid::from_u32(pid);
// Refresh just this one PID — we don't need a full process scan to signal it.
let mut sys = System::new();
sys.refresh_processes_specifics(
ProcessesToUpdate::Some(&[spid]),
false,
ProcessRefreshKind::nothing(),
);
let Some(proc_) = sys.process(spid) else {
return Err(format!("Process {pid} no longer exists"));
};
if let Some(expected) = expected_name {
let current = proc_.name().to_string_lossy();
if current != expected {
return Err(format!(
"PID {pid} now belongs to \"{current}\", not \"{expected}\"\
not signalling. Reselect the process and try again."
));
}
}
match proc_.kill_with(signal.as_sysinfo()) {
Some(true) => Ok(()),
Some(false) => Err(format!(
"Could not send {} to PID {pid} (permission denied?)",
signal.label()
)),
None => Err(format!(
"{} is not supported on this platform",
signal.label()
)),
}
}
#[cfg(test)]
mod tests {
use super::*;
use std::process::Command;
use std::time::{Duration, Instant};
/// The path that matters: a real, live, local process must actually receive
/// the signal. Exercises the `refresh_processes_specifics` lookup as well —
/// if that call does not populate the process map, `sys.process()` returns
/// None and a live PID is reported as "no longer exists".
#[test]
fn signals_a_real_child_process() {
let mut child = Command::new("sleep")
.arg("30")
.spawn()
.expect("spawn sleep for the test");
let pid = child.id();
let result = kill_local_process(pid, Some("sleep"), KillSignal::Term);
// Reap on every path before asserting, so a failing assert cannot leak a
// 30s sleep and cannot trip clippy's zombie_processes lint.
let deadline = Instant::now() + Duration::from_secs(5);
let mut exited = false;
while Instant::now() < deadline {
if matches!(child.try_wait(), Ok(Some(_))) {
exited = true;
break;
}
std::thread::sleep(Duration::from_millis(20));
}
if !exited {
let _ = child.kill();
}
let _ = child.wait();
assert!(result.is_ok(), "kill_local_process returned {result:?}");
assert!(
exited,
"SIGTERM was reported sent but the child never exited"
);
}
/// The reuse guard: a live PID whose owner does not match the name the
/// user confirmed must NOT be signalled. This also proves the name is
/// populated under ProcessRefreshKind::nothing() — if it weren't, the
/// matching-name test above would fail instead.
#[test]
fn refuses_a_pid_owned_by_a_different_process() {
let mut child = Command::new("sleep")
.arg("30")
.spawn()
.expect("spawn sleep");
let pid = child.id();
let result = kill_local_process(pid, Some("firefox"), KillSignal::Term);
let _ = child.kill();
let _ = child.wait();
let err = result.expect_err("signalled a process under the wrong name");
assert!(err.contains("firefox") && err.contains("sleep"), "{err}");
}
#[test]
fn reports_a_pid_that_is_gone() {
let mut child = Command::new("true").spawn().expect("spawn true");
let pid = child.id();
child.wait().expect("reap");
// The PID is now free; signalling it must fail cleanly, not panic.
assert!(kill_local_process(pid, None, KillSignal::Term).is_err());
}
}
-103
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@@ -1,103 +0,0 @@
//! Connection profiles: load/save simple JSON mapping of profile name -> { url, tls_ca }
//! Stored under XDG config dir: $XDG_CONFIG_HOME/socktop/profiles.json (fallback ~/.config/socktop/profiles.json)
use serde::{Deserialize, Serialize};
use std::{collections::BTreeMap, fs, path::PathBuf};
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct ProfileEntry {
pub url: String,
#[serde(skip_serializing_if = "Option::is_none")]
pub tls_ca: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
pub metrics_interval_ms: Option<u64>,
#[serde(skip_serializing_if = "Option::is_none")]
pub processes_interval_ms: Option<u64>,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct ProfilesFile {
#[serde(default)]
pub profiles: BTreeMap<String, ProfileEntry>,
#[serde(default)]
pub version: u32,
}
pub fn config_dir() -> PathBuf {
if let Some(xdg) = std::env::var_os("XDG_CONFIG_HOME") {
PathBuf::from(xdg).join("socktop")
} else {
dirs_next::config_dir()
.unwrap_or_else(|| PathBuf::from("."))
.join("socktop")
}
}
pub fn profiles_path() -> PathBuf {
config_dir().join("profiles.json")
}
pub fn load_profiles() -> ProfilesFile {
let path = profiles_path();
match fs::read_to_string(&path) {
Ok(s) => serde_json::from_str(&s).unwrap_or_default(),
Err(_) => ProfilesFile::default(),
}
}
pub fn save_profiles(p: &ProfilesFile) -> std::io::Result<()> {
let path = profiles_path();
if let Some(parent) = path.parent() {
fs::create_dir_all(parent)?;
}
let data = serde_json::to_vec_pretty(p).expect("serialize profiles");
fs::write(path, data)
}
pub enum ResolveProfile {
/// Use the provided runtime inputs (not persisted). (url, tls_ca)
Direct(String, Option<String>),
/// Loaded from existing profile entry (url, tls_ca)
Loaded(String, Option<String>),
/// Should prompt user to select among profile names
PromptSelect(Vec<String>),
/// Should prompt user to create a new profile (name)
PromptCreate(String),
/// No profile could be resolved (e.g., missing arguments)
None,
}
pub struct ProfileRequest {
pub profile_name: Option<String>,
pub url: Option<String>,
pub tls_ca: Option<String>,
}
impl ProfileRequest {
pub fn resolve(self, pf: &ProfilesFile) -> ResolveProfile {
// Case: only profile name given -> try load
if self.url.is_none() && self.profile_name.is_some() {
let Some(name) = self.profile_name else {
unreachable!("Already checked profile_name.is_some()")
};
let Some(entry) = pf.profiles.get(&name) else {
return ResolveProfile::PromptCreate(name);
};
return ResolveProfile::Loaded(entry.url.clone(), entry.tls_ca.clone());
}
// Both provided -> direct (maybe later saved by caller)
if let Some(u) = self.url {
return ResolveProfile::Direct(u, self.tls_ca);
}
// Nothing provided -> maybe prompt select if profiles exist
if self.url.is_none() && self.profile_name.is_none() {
if pf.profiles.is_empty() {
ResolveProfile::None
} else {
ResolveProfile::PromptSelect(pf.profiles.keys().cloned().collect())
}
} else {
ResolveProfile::None
}
}
}
-114
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@@ -1,114 +0,0 @@
//! Pure retry timing logic (decoupled from App state / UI) for testability.
use std::time::{Duration, Instant};
/// Result of computing retry timing.
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct RetryTiming {
pub should_retry_now: bool,
/// Seconds until next retry (Some(0) means ready now); None means inactive/no countdown.
pub seconds_until_retry: Option<u64>,
}
/// Compute retry timing given connection state inputs.
///
/// Inputs:
/// - `disconnected`: true when connection_state == Disconnected.
/// - `modal_active`: requires the connection error modal be visible to show countdown / trigger auto retry.
/// - `original_disconnect_time`: time we first noticed disconnect.
/// - `last_auto_retry`: time we last performed an automatic retry.
/// - `now`: current time (injected for determinism / tests).
/// - `interval`: retry interval duration.
pub(crate) fn compute_retry_timing(
disconnected: bool,
modal_active: bool,
original_disconnect_time: Option<Instant>,
last_auto_retry: Option<Instant>,
now: Instant,
interval: Duration,
) -> RetryTiming {
if !disconnected || !modal_active {
return RetryTiming {
should_retry_now: false,
seconds_until_retry: None,
};
}
let baseline = match last_auto_retry.or(original_disconnect_time) {
Some(b) => b,
None => {
return RetryTiming {
should_retry_now: false,
seconds_until_retry: None,
};
}
};
let elapsed = now.saturating_duration_since(baseline);
if elapsed >= interval {
RetryTiming {
should_retry_now: true,
seconds_until_retry: Some(0),
}
} else {
let remaining = interval - elapsed;
RetryTiming {
should_retry_now: false,
seconds_until_retry: Some(remaining.as_secs()),
}
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn inactive_when_not_disconnected() {
let now = Instant::now();
let rt = compute_retry_timing(false, true, Some(now), None, now, Duration::from_secs(30));
assert!(!rt.should_retry_now);
assert_eq!(rt.seconds_until_retry, None);
}
#[test]
fn countdown_progress_and_ready() {
let base = Instant::now();
let rt1 = compute_retry_timing(
true,
true,
Some(base),
None,
base + Duration::from_secs(10),
Duration::from_secs(30),
);
assert!(!rt1.should_retry_now);
assert_eq!(rt1.seconds_until_retry, Some(20));
let rt2 = compute_retry_timing(
true,
true,
Some(base),
None,
base + Duration::from_secs(30),
Duration::from_secs(30),
);
assert!(rt2.should_retry_now);
assert_eq!(rt2.seconds_until_retry, Some(0));
}
#[test]
fn uses_last_auto_retry_as_baseline() {
let base: Instant = Instant::now();
let last = base + Duration::from_secs(30); // one prior retry
// 10s after last retry => 20s remaining
let rt = compute_retry_timing(
true,
true,
Some(base),
Some(last),
last + Duration::from_secs(10),
Duration::from_secs(30),
);
assert!(!rt.should_retry_now);
assert_eq!(rt.seconds_until_retry, Some(20));
}
}
-4
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@@ -1,4 +0,0 @@
//! Types that mirror the agent's JSON schema.
// Re-export commonly used types from socktop_connector
pub use socktop_connector::Metrics;
-678
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@@ -1,678 +0,0 @@
//! CPU average sparkline + per-core mini bars.
use crate::ui::theme::{SB_ARROW, SB_THUMB, SB_TRACK};
use crossterm::event::{KeyCode, KeyEvent, MouseButton, MouseEvent, MouseEventKind};
use ratatui::style::Modifier;
use ratatui::style::{Color, Style};
use ratatui::{
layout::{Constraint, Direction, Layout, Rect},
text::{Line, Span},
widgets::{
Block, Borders, Paragraph, Scrollbar, ScrollbarOrientation, ScrollbarState, Sparkline,
},
};
use crate::history::PerCoreHistory;
use crate::types::Metrics;
use crate::ui::fit::{cols, pick_pair};
/// Columns kept clear between the CPU title and the temperature readout.
const TITLE_GAP: u16 = 2;
/// State for dragging the scrollbar thumb
#[derive(Clone, Copy, Debug, Default)]
pub struct PerCoreScrollDrag {
pub active: bool,
pub start_y: u16, // mouse row where drag started
pub start_top: usize, // thumb top (in track rows) at drag start
}
/// Returns the content area for per-core CPU bars, excluding borders and reserving space for scrollbar.
pub fn per_core_content_area(area: Rect) -> Rect {
// Inner minus borders
let inner = Rect {
x: area.x + 1,
y: area.y + 1,
width: area.width.saturating_sub(2),
height: area.height.saturating_sub(2),
};
// Reserve 1 column on the right for a gutter and 1 for the scrollbar
Rect {
x: inner.x,
y: inner.y,
width: inner.width.saturating_sub(2),
height: inner.height,
}
}
/// Handles key events for per-core CPU bars.
pub fn per_core_handle_key(scroll_offset: &mut usize, key: KeyEvent, page_size: usize) {
match key.code {
KeyCode::Left => *scroll_offset = scroll_offset.saturating_sub(1),
KeyCode::Right => *scroll_offset = scroll_offset.saturating_add(1),
KeyCode::PageUp => {
let step = page_size.max(1);
*scroll_offset = scroll_offset.saturating_sub(step);
}
KeyCode::PageDown => {
let step = page_size.max(1);
*scroll_offset = scroll_offset.saturating_add(step);
}
KeyCode::Home => *scroll_offset = 0,
KeyCode::End => *scroll_offset = usize::MAX, // draw() clamps to max
_ => {}
}
}
/// Handles mouse wheel over the content.
pub fn per_core_handle_mouse(
scroll_offset: &mut usize,
mouse: MouseEvent,
content_area: Rect,
page_size: usize,
) {
let inside = mouse.column >= content_area.x
&& mouse.column < content_area.x + content_area.width
&& mouse.row >= content_area.y
&& mouse.row < content_area.y + content_area.height;
if !inside {
return;
}
match mouse.kind {
MouseEventKind::ScrollUp => *scroll_offset = scroll_offset.saturating_sub(1),
MouseEventKind::ScrollDown => *scroll_offset = scroll_offset.saturating_add(1),
// Optional paging via horizontal wheel
MouseEventKind::ScrollLeft => {
let step = page_size.max(1);
*scroll_offset = scroll_offset.saturating_sub(step);
}
MouseEventKind::ScrollRight => {
let step = page_size.max(1);
*scroll_offset = scroll_offset.saturating_add(step);
}
_ => {}
}
}
/// Handles mouse interaction with the scrollbar itself (click arrows/page/drag).
pub fn per_core_handle_scrollbar_mouse(
scroll_offset: &mut usize,
drag: &mut Option<PerCoreScrollDrag>,
mouse: MouseEvent,
per_core_area: Rect,
total_rows: usize,
) {
// Geometry
let inner = Rect {
x: per_core_area.x + 1,
y: per_core_area.y + 1,
width: per_core_area.width.saturating_sub(2),
height: per_core_area.height.saturating_sub(2),
};
if inner.height < 3 || inner.width < 1 {
return;
}
let content = Rect {
x: inner.x,
y: inner.y,
width: inner.width.saturating_sub(2),
height: inner.height,
};
let scroll_area = Rect {
x: inner.x + inner.width.saturating_sub(1),
y: inner.y,
width: 1,
height: inner.height,
};
let viewport_rows = content.height as usize;
let total = total_rows.max(1);
let view = viewport_rows.clamp(1, total);
let max_off = total.saturating_sub(view);
let mut offset = (*scroll_offset).min(max_off);
// Track and current thumb
let track = (scroll_area.height - 2) as usize;
if track == 0 {
return;
}
let thumb_len = (track * view).div_ceil(total).max(1).min(track);
let top_for_offset = |off: usize| -> usize {
((track - thumb_len) * off + max_off / 2)
.checked_div(max_off)
.unwrap_or(0)
};
let thumb_top = top_for_offset(offset);
let inside_scrollbar = mouse.column == scroll_area.x
&& mouse.row >= scroll_area.y
&& mouse.row < scroll_area.y + scroll_area.height;
// Helper to page
let page_up = || offset.saturating_sub(view.max(1));
let page_down = || offset.saturating_add(view.max(1));
match mouse.kind {
MouseEventKind::Down(MouseButton::Left) if inside_scrollbar => {
// Where within the track?
let row = mouse.row;
if row == scroll_area.y {
// Top arrow
offset = offset.saturating_sub(1);
} else if row + 1 == scroll_area.y + scroll_area.height {
// Bottom arrow
offset = offset.saturating_add(1);
} else {
// Inside track
let rel = (row - (scroll_area.y + 1)) as usize;
let thumb_end = thumb_top + thumb_len;
if rel < thumb_top {
// Page up
offset = page_up();
} else if rel >= thumb_end {
// Page down
offset = page_down();
} else {
// Start dragging
*drag = Some(PerCoreScrollDrag {
active: true,
start_y: row,
start_top: thumb_top,
});
}
}
}
MouseEventKind::Drag(MouseButton::Left) => {
if let Some(mut d) = drag.take()
&& d.active
{
let dy = (mouse.row as i32) - (d.start_y as i32);
let new_top = (d.start_top as i32 + dy)
.clamp(0, (track.saturating_sub(thumb_len)) as i32)
as usize;
// Inverse mapping top -> offset
if track > thumb_len {
let denom = track - thumb_len;
offset = (new_top * max_off + denom / 2)
.checked_div(denom)
.unwrap_or(0);
} else {
offset = 0;
}
// Keep dragging
d.start_top = new_top;
d.start_y = mouse.row;
*drag = Some(d);
}
}
MouseEventKind::Up(MouseButton::Left) => {
// End drag
*drag = None;
}
// Also allow wheel scrolling when cursor is over the scrollbar
MouseEventKind::ScrollUp if inside_scrollbar => {
offset = offset.saturating_sub(1);
}
MouseEventKind::ScrollDown if inside_scrollbar => {
offset = offset.saturating_add(1);
}
_ => {}
}
// Clamp and write back
if offset > max_off {
offset = max_off;
}
*scroll_offset = offset;
}
/// Clamp scroll offset to the valid range given content and viewport.
pub fn per_core_clamp(scroll_offset: &mut usize, total_rows: usize, viewport_rows: usize) {
let max_offset = total_rows.saturating_sub(viewport_rows);
if *scroll_offset > max_offset {
*scroll_offset = max_offset;
}
}
/// Draws the CPU average sparkline graph.
///
/// `hist_sum` is the running sum of `hist` maintained by the caller so we don't
/// fold the (up to 600-element) deque on every frame.
pub fn draw_cpu_avg_graph(
f: &mut ratatui::Frame<'_>,
area: Rect,
hist: &mut std::collections::VecDeque<u64>,
hist_sum: u64,
m: Option<&Metrics>,
) {
let avg_cpu = if hist.is_empty() {
0.0
} else {
hist_sum as f64 / hist.len() as f64
};
let (title, top_right_info) = cpu_title_for_width(
m.map(|mm| mm.cpu_total),
avg_cpu,
m.and_then(|mm| mm.cpu_temp_c),
area.width,
);
// Hand a slice directly to Sparkline. `make_contiguous` is amortized cheap
// for our usage pattern (cap'd 600-element ring updated at 2 Hz) and lets
// us skip the per-frame Vec allocation .collect() used to do.
let max_points = area.width.saturating_sub(2) as usize;
let start = hist.len().saturating_sub(max_points);
let slice = &hist.make_contiguous()[start..];
let spark = Sparkline::default()
.block(Block::default().borders(Borders::ALL).title(title))
.data(slice)
.max(100)
.style(Style::default().fg(Color::Cyan));
f.render_widget(spark, area);
// Temperature overlays the top border, right-aligned inside the corner. The title
// above is sized so the two cannot collide.
if !top_right_info.is_empty() {
let w = cols(&top_right_info);
let info_area = Rect {
x: area.x + area.width.saturating_sub(w + 1),
y: area.y,
width: w,
height: 1,
};
let info_line = Line::from(Span::raw(top_right_info));
f.render_widget(Paragraph::new(info_line), info_area);
}
}
/// Health glyph for a CPU temperature.
fn temp_icon(t: f32) -> &'static str {
if t < 50.0 {
"😎"
} else if t < 85.0 {
"⚠️"
} else {
"🔥"
}
}
/// Chooses the CPU pane's title and its right-aligned temperature readout for a pane
/// `width` columns wide.
///
/// Both are painted onto the pane's top border, so without a shared budget the
/// temperature simply overwrites the tail of the title on a narrow pane. Detail is given
/// up in this order: the `CPU Temp:` label, then the `now:`/`avg:` labels, then the
/// average reading, then the decimal on the temperature, and only last the temperature
/// itself — the readings are what the pane is for, but a thermal warning is worth more
/// than a second decimal place.
fn cpu_title_for_width(
cpu_now: Option<f32>,
avg_cpu: f64,
temp_c: Option<f32>,
width: u16,
) -> (String, String) {
let Some(now) = cpu_now else {
return ("CPU avg".into(), String::new());
};
// Two borders, plus a column of breathing room at each end of the title.
let budget = width.saturating_sub(4);
let labelled = format!("CPU (now: {now:>5.1}% | avg: {avg_cpu:>5.1}%)");
let bare = format!("CPU ({now:.1}% | {avg_cpu:.1}%)");
let now_only = format!("CPU ({now:.1}%)");
let (temp_labelled, temp_plain, temp_coarse) = match temp_c {
Some(t) => {
let icon = temp_icon(t);
(
format!("CPU Temp: {t:.1}°C {icon}"),
format!("{t:.1}°C {icon}"),
format!("{t:.0}°C {icon}"),
)
}
None => ("CPU Temp: N/A".into(), "N/A".into(), "N/A".into()),
};
let ladder = [
(labelled.as_str(), temp_labelled.as_str()),
(labelled.as_str(), temp_plain.as_str()),
(bare.as_str(), temp_plain.as_str()),
(bare.as_str(), temp_coarse.as_str()),
(now_only.as_str(), temp_coarse.as_str()),
(now_only.as_str(), ""),
];
let (title, temp) = pick_pair(budget, TITLE_GAP, &ladder);
(title.to_string(), temp.to_string())
}
/// Draws the per-core CPU bars with sparklines and trends.
pub fn draw_per_core_bars(
f: &mut ratatui::Frame<'_>,
area: Rect,
m: Option<&Metrics>,
per_core_hist: &mut PerCoreHistory,
scroll_offset: usize,
) {
f.render_widget(
Block::default().borders(Borders::ALL).title("Per-core"),
area,
);
let Some(mm) = m else {
return;
};
// Compute inner rect and content area
let inner = Rect {
x: area.x + 1,
y: area.y + 1,
width: area.width.saturating_sub(2),
height: area.height.saturating_sub(2),
};
if inner.height == 0 || inner.width <= 2 {
return;
}
let content = Rect {
x: inner.x,
y: inner.y,
width: inner.width.saturating_sub(2),
height: inner.height,
};
let total_rows = mm.cpu_per_core.len();
let viewport_rows = content.height as usize;
let max_offset = total_rows.saturating_sub(viewport_rows);
let offset = scroll_offset.min(max_offset);
let show_n = total_rows.saturating_sub(offset).min(viewport_rows);
let constraints: Vec<Constraint> = (0..show_n).map(|_| Constraint::Length(1)).collect();
let vchunks = Layout::default()
.direction(Direction::Vertical)
.constraints(constraints)
.split(content);
for i in 0..show_n {
let idx = offset + i;
let rect = vchunks[i];
let hchunks = Layout::default()
.direction(Direction::Horizontal)
.constraints([Constraint::Min(6), Constraint::Length(13)])
.split(rect);
let curr = mm.cpu_per_core[idx].clamp(0.0, 100.0);
let older = per_core_hist
.deques
.get(idx)
.and_then(|d| d.iter().rev().nth(20).copied())
.map(|v| v as f32)
.unwrap_or(curr);
// Trend indicator. Various Unicode glyphs we tried for the "flat"
// trend (╌, ·) substituted as a hyphen on terminals with narrow font
// coverage; combined with the next column being `100.0` they read as
// `cpu0 -100.0%`, a nonsensical negative percent. Use a literal space
// for the flat case — no character, no fallback, no confusion.
let trend = if curr > older + 0.2 {
""
} else if curr + 0.2 < older {
""
} else {
" "
};
let fg = match curr {
x if x < 25.0 => Color::Green,
x if x < 60.0 => Color::Yellow,
_ => Color::Red,
};
// Borrow the per-core deque mutably so we can hand a contiguous slice
// to Sparkline without allocating a fresh Vec each frame.
if let Some(d) = per_core_hist.deques.get_mut(idx) {
let max_points = hchunks[0].width as usize;
let start = d.len().saturating_sub(max_points);
let slice = &d.make_contiguous()[start..];
let spark = Sparkline::default()
.data(slice)
.max(100)
.style(Style::default().fg(fg));
f.render_widget(spark, hchunks[0]);
}
// Hard space between the trend mark and the number — even if the
// arrow glyphs (↑/↓) fall back to ASCII on a terminal that lacks
// them, this space prevents the trend mark from visually joining
// `100.0` to look like a negative value.
let label = format!("cpu{idx:<2}{trend} {curr:>5.1}%");
let line = Line::from(Span::styled(
label,
Style::default().fg(fg).add_modifier(Modifier::BOLD),
));
f.render_widget(Paragraph::new(line).right_aligned(), hchunks[1]);
}
// 1-col scrollbar (ratatui built-in widget). Skips drawing when the
// content fits in the viewport, matching the previous behaviour.
let scroll_area = Rect {
x: inner.x + inner.width.saturating_sub(1),
y: inner.y,
width: 1,
height: inner.height,
};
let max_off = total_rows.saturating_sub(viewport_rows);
if scroll_area.height >= 3 && max_off > 0 {
let scrollbar = Scrollbar::new(ScrollbarOrientation::VerticalRight)
.begin_symbol(Some(""))
.end_symbol(Some(""))
.thumb_symbol("")
.track_symbol(Some(""))
.thumb_style(Style::default().fg(SB_THUMB))
.track_style(Style::default().fg(SB_TRACK))
.begin_style(Style::default().fg(SB_ARROW))
.end_style(Style::default().fg(SB_ARROW));
let mut state = ScrollbarState::new(max_off).position(offset);
f.render_stateful_widget(scrollbar, scroll_area, &mut state);
}
}
#[cfg(test)]
mod title_tests {
use super::*;
/// The defect this replaces: the temperature was painted over the title's tail on a
/// narrow pane. Whatever the width, the two must fit side by side on the border.
#[test]
fn title_and_temperature_never_overlap() {
for width in 0..=200u16 {
let (title, temp) = cpu_title_for_width(Some(3.4), 12.7, Some(43.0), width);
let budget = width.saturating_sub(4);
if temp.is_empty() {
continue;
}
assert!(
cols(&title) + cols(&temp) + TITLE_GAP <= budget,
"width {width}: {title:?} + {temp:?} do not fit in {budget} columns"
);
}
}
/// The current CPU reading is the one thing the pane must always show.
#[test]
fn the_current_reading_always_survives() {
for width in 20..=200u16 {
let (title, _) = cpu_title_for_width(Some(3.4), 12.7, Some(43.0), width);
assert!(
title.contains("3.4"),
"width {width}: lost the reading ({title:?})"
);
}
}
/// The ladder from the design: temp label, then now/avg labels, then the average,
/// then the temperature's decimal, then the temperature.
#[test]
fn detail_is_dropped_in_priority_order() {
let at = |w| cpu_title_for_width(Some(0.7), 1.3, Some(43.0), w);
let (title, temp) = at(80);
assert_eq!(title, "CPU (now: 0.7% | avg: 1.3%)");
assert_eq!(temp, "CPU Temp: 43.0°C 😎");
// The "CPU Temp:" label goes first; the readings keep their labels.
let (title, temp) = at(50);
assert_eq!(title, "CPU (now: 0.7% | avg: 1.3%)");
assert_eq!(temp, "43.0°C 😎");
// Then the now:/avg: labels.
let (title, temp) = at(40);
assert_eq!(title, "CPU (0.7% | 1.3%)");
assert_eq!(temp, "43.0°C 😎");
// Then the temperature's decimal.
let (title, temp) = at(31);
assert_eq!(title, "CPU (0.7% | 1.3%)");
assert_eq!(temp, "43°C 😎");
// Then the average reading.
let (title, temp) = at(26);
assert_eq!(title, "CPU (0.7%)");
assert_eq!(temp, "43°C 😎");
// Last of all, the temperature itself.
let (title, temp) = at(15);
assert_eq!(title, "CPU (0.7%)");
assert_eq!(temp, "");
}
/// A hot CPU has to stay visible as a warning, so the glyph rides along with the
/// reading at every tier that shows a temperature at all.
#[test]
fn the_thermal_glyph_tracks_the_temperature() {
for (t, icon) in [(43.0, "😎"), (70.0, "⚠️"), (92.0, "🔥")] {
for width in 26..=80u16 {
let (_, temp) = cpu_title_for_width(Some(0.7), 1.3, Some(t), width);
assert!(
temp.contains(icon),
"width {width} at {t}°C: expected {icon} in {temp:?}"
);
}
}
}
/// An agent that reports no temperature must not leave a stray label behind.
#[test]
fn a_missing_temperature_degrades_to_nothing() {
let (_, temp) = cpu_title_for_width(Some(0.7), 1.3, None, 80);
assert_eq!(temp, "CPU Temp: N/A");
let (_, temp) = cpu_title_for_width(Some(0.7), 1.3, None, 14);
assert_eq!(temp, "");
}
/// Before the first payload arrives there are no readings to show.
#[test]
fn no_metrics_yet_shows_the_placeholder() {
let (title, temp) = cpu_title_for_width(None, 0.0, None, 80);
assert_eq!(title, "CPU avg");
assert!(temp.is_empty());
}
}
#[cfg(test)]
mod render_tests {
use super::*;
use ratatui::Terminal;
use ratatui::backend::TestBackend;
use socktop_connector::Metrics;
fn fake_metrics(cores: Vec<f32>) -> Metrics {
Metrics {
sampled_at_ms: None,
cpu_total: 0.0,
cpu_per_core: cores,
mem_total: 1024,
mem_used: 0,
swap_total: 0,
swap_used: 0,
hostname: "t".into(),
cpu_temp_c: None,
disks: vec![],
networks: vec![],
top_processes: vec![],
gpus: None,
process_count: Some(0),
}
}
fn dump(terminal: &Terminal<TestBackend>) -> String {
let buf = terminal.backend().buffer();
let mut out = String::new();
for y in 0..buf.area().height {
for x in 0..buf.area().width {
out.push_str(buf[(x, y)].symbol());
}
out.push('\n');
}
out
}
/// Regression: the "flat" trend glyph used to be `╌` (U+254C), then `·`
/// (U+00B7) — both substituted as a hyphen on terminals with narrow font
/// coverage. When a core sat at exactly 100% the label rendered as
/// `cpu3 -100.0%` (no space between trend and digits). Now we use a
/// literal space for the flat case AND insert a hard space between every
/// trend mark and the number, so no glyph substitution can produce a
/// "-100" substring. We assert that across flat AND transitioning cores.
#[test]
fn percore_label_never_renders_as_negative() {
let m = fake_metrics(vec![100.0, 100.0, 100.0, 100.0]);
let mut hist = PerCoreHistory::new(60);
hist.ensure_cores(4);
// First sample: history is empty, no trend on first frame.
hist.push_samples(&m.cpu_per_core);
// Second sample: identical values → flat trend (the user's complaint).
hist.push_samples(&m.cpu_per_core);
let backend = TestBackend::new(120, 8);
let mut terminal = Terminal::new(backend).unwrap();
terminal
.draw(|f| {
draw_per_core_bars(f, Rect::new(0, 0, 120, 8), Some(&m), &mut hist, 0);
})
.unwrap();
let out = dump(&terminal);
eprintln!("---flat 100% render---\n{out}");
assert!(!out.contains("-100"), "found '-100' in flat-trend render");
// Decreasing trend at saturation: hist was high, current drops a bit.
let mut hist2 = PerCoreHistory::new(60);
hist2.ensure_cores(4);
for _ in 0..25 {
hist2.push_samples(&[100.0, 100.0, 100.0, 100.0]);
}
let m2 = fake_metrics(vec![100.0, 100.0, 100.0, 80.0]);
hist2.push_samples(&m2.cpu_per_core);
let backend = TestBackend::new(120, 8);
let mut terminal = Terminal::new(backend).unwrap();
terminal
.draw(|f| {
draw_per_core_bars(f, Rect::new(0, 0, 120, 8), Some(&m2), &mut hist2, 0);
})
.unwrap();
let out = dump(&terminal);
eprintln!("---decreasing render---\n{out}");
assert!(
!out.contains("-100"),
"found '-100' in decreasing-trend render"
);
assert!(
!out.contains("-80"),
"found '-80' in decreasing-trend render"
);
}
}
-115
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@@ -1,115 +0,0 @@
//! Disk cards with per-device gauge and title line.
use crate::types::Metrics;
use crate::ui::fit::truncate_middle_cols;
use crate::ui::util::{disk_icon, human};
use ratatui::{
layout::{Constraint, Direction, Layout, Rect},
style::Style,
widgets::{Block, Borders, Gauge},
};
pub fn draw_disks(f: &mut ratatui::Frame<'_>, area: Rect, m: Option<&Metrics>) {
f.render_widget(Block::default().borders(Borders::ALL).title("Disks"), area);
let Some(mm) = m else {
return;
};
let inner = Rect {
x: area.x + 1,
y: area.y + 1,
width: area.width.saturating_sub(2),
height: area.height.saturating_sub(2),
};
if inner.height < 3 {
return;
}
// Deduplication is performed once on the App side when fresh disk data
// arrives (disks poll cadence is 5s, draw cadence is ~500ms, so doing it
// here would rebuild a HashSet ~10x per refresh for no reason).
let per_disk_h = 3u16;
let max_cards = (inner.height / per_disk_h).min(mm.disks.len() as u16) as usize;
let constraints: Vec<Constraint> = (0..max_cards)
.map(|_| Constraint::Length(per_disk_h))
.collect();
let rows = Layout::default()
.direction(Direction::Vertical)
.constraints(constraints)
.split(inner);
for (i, slot) in rows.iter().enumerate() {
let d = &mm.disks[i];
let used = d.total.saturating_sub(d.available);
let ratio = if d.total > 0 {
used as f64 / d.total as f64
} else {
0.0
};
let pct = (ratio * 100.0).round() as u16;
let color = if pct < 70 {
ratatui::style::Color::Green
} else if pct < 90 {
ratatui::style::Color::Yellow
} else {
ratatui::style::Color::Red
};
// Add indentation for partitions
let indent = if d.is_partition { "└─" } else { "" };
// Add temperature if available
let temp_str = d
.temperature
.map(|t| format!(" {}°C", t.round() as i32))
.unwrap_or_default();
let title = format!(
"{}{}{}{} {} / {} ({}%)",
indent,
disk_icon(&d.name),
truncate_middle_cols(&d.name, slot.width.saturating_sub(6) / 2),
temp_str,
human(used),
human(d.total),
pct
);
// Indent the entire card (block) for partitions to align with └─ prefix (4 chars)
let card_indent = if d.is_partition { 4 } else { 0 };
let card_rect = Rect {
x: slot.x + card_indent,
y: slot.y,
width: slot.width.saturating_sub(card_indent),
height: slot.height,
};
let card = Block::default().borders(Borders::ALL).title(title);
f.render_widget(card, card_rect);
let inner_card = Rect {
x: card_rect.x + 1,
y: card_rect.y + 1,
width: card_rect.width.saturating_sub(2),
height: card_rect.height.saturating_sub(2),
};
if inner_card.height == 0 {
continue;
}
let gauge_rect = Rect {
x: inner_card.x,
y: inner_card.y + inner_card.height / 2,
width: inner_card.width,
height: 1,
};
let g = Gauge::default()
.percent(pct)
.gauge_style(Style::default().fg(color));
f.render_widget(g, gauge_rect);
}
}
-190
View File
@@ -1,190 +0,0 @@
//! Fitting text to the columns actually available.
//!
//! Several panes paint two independent pieces of text onto one row — a left title and a
//! right-aligned readout. Nothing reserves space for the right piece, so on a narrow
//! terminal the right one is simply painted over the tail of the left one and the title
//! is clobbered mid-word. The helpers here let a caller measure in real terminal columns
//! and pick the richest wording that still fits, so the two never overlap.
//!
//! Note that `str::len()` is a byte count and must not be used for this: `⏱` is three
//! bytes wide but one column, and `🔒` is four bytes but two columns.
use unicode_width::UnicodeWidthStr;
/// Terminal columns `s` occupies, saturating at `u16::MAX`.
pub fn cols(s: &str) -> u16 {
UnicodeWidthStr::width(s).min(u16::MAX as usize) as u16
}
/// Shortens `s` to at most `max` columns, marking the cut with `…`.
///
/// Cuts on character boundaries and accounts for wide characters, so the result never
/// exceeds `max` columns and never splits a multi-byte character.
pub fn truncate_cols(s: &str, max: u16) -> String {
if cols(s) <= max {
return s.to_string();
}
if max == 0 {
return String::new();
}
// Reserve one column for the ellipsis.
let budget = max.saturating_sub(1);
let mut used = 0u16;
let mut out = String::new();
for ch in s.chars() {
let w = cols(ch.encode_utf8(&mut [0u8; 4]));
if used + w > budget {
break;
}
used += w;
out.push(ch);
}
out.push('…');
out
}
/// Shortens `s` to at most `max` columns by cutting the MIDDLE, marking the
/// cut with `…` — device names like `/dev/nvme0n1p1` keep their distinctive
/// prefix and suffix. Column- and char-boundary-safe; the byte-slicing
/// predecessor in `util.rs` panicked on non-ASCII names.
pub fn truncate_middle_cols(s: &str, max: u16) -> String {
if cols(s) <= max {
return s.to_string();
}
if max <= 1 {
return truncate_cols(s, max);
}
// Reserve one column for the ellipsis; split the rest left/right.
let left_budget = (max - 1) / 2;
let right_budget = max - 1 - left_budget;
let mut left_end = 0; // byte index
let mut used = 0u16;
for (i, ch) in s.char_indices() {
let w = cols(ch.encode_utf8(&mut [0u8; 4]));
if used + w > left_budget {
break;
}
used += w;
left_end = i + ch.len_utf8();
}
let mut right_start = s.len();
let mut used = 0u16;
for (i, ch) in s.char_indices().rev() {
let w = cols(ch.encode_utf8(&mut [0u8; 4]));
if used + w > right_budget || i < left_end {
break;
}
used += w;
right_start = i;
}
format!("{}{}", &s[..left_end], &s[right_start..])
}
/// Picks the first (richest) candidate pair that fits side by side in `width` columns
/// with at least `gap` columns between them.
///
/// Candidates are ordered most- to least-detailed; the last one is the floor and is
/// returned even if it does not fit, so callers always get something to render.
pub fn pick_pair<'a>(
width: u16,
gap: u16,
candidates: &[(&'a str, &'a str)],
) -> (&'a str, &'a str) {
let fits = |left: &str, right: &str| {
let needed = cols(left)
.saturating_add(cols(right))
.saturating_add(if right.is_empty() { 0 } else { gap });
needed <= width
};
for &(left, right) in candidates {
if fits(left, right) {
return (left, right);
}
}
candidates.last().copied().unwrap_or(("", ""))
}
#[cfg(test)]
mod tests {
use super::*;
/// The bug these helpers exist to prevent: byte length overstates the width of the
/// glyphs socktop puts in its header, which is what pushed the right-hand text into
/// the title in the first place.
#[test]
fn cols_counts_columns_not_bytes() {
assert_eq!(cols("abc"), 3);
// Stopwatch: 3 bytes, 1 column.
assert_eq!("".len(), 3);
assert_eq!(cols(""), 1);
// Lock: 4 bytes, 2 columns.
assert_eq!("🔒".len(), 4);
assert_eq!(cols("🔒"), 2);
assert_eq!(cols("⏱ 500ms metrics | 2000ms procs"), 30);
}
#[test]
fn truncate_respects_the_column_budget() {
assert_eq!(truncate_cols("cachyos-gaming", 20), "cachyos-gaming");
assert_eq!(truncate_cols("cachyos-gaming", 14), "cachyos-gaming");
assert_eq!(truncate_cols("cachyos-gaming", 10), "cachyos-g…");
assert_eq!(cols(&truncate_cols("cachyos-gaming", 10)), 10);
assert_eq!(truncate_cols("cachyos-gaming", 1), "");
assert_eq!(truncate_cols("cachyos-gaming", 0), "");
}
/// Truncation must never land mid-character or overrun the budget on wide glyphs.
#[test]
fn truncate_handles_wide_and_multibyte_characters() {
for max in 0..12u16 {
let out = truncate_cols("🔒🔒🔒 TLS", max);
assert!(cols(&out) <= max, "{out:?} exceeds {max} columns");
assert!(out.chars().all(|c| c != '\u{fffd}'), "{out:?} split a char");
}
// A wide glyph that cannot fit beside the ellipsis is dropped whole.
assert_eq!(truncate_cols("🔒ab", 2), "");
}
/// Middle truncation keeps both ends — the parts that identify a device —
/// and must never exceed the budget or split a character.
#[test]
fn truncate_middle_keeps_both_ends_within_budget() {
assert_eq!(truncate_middle_cols("/dev/nvme0n1p1", 20), "/dev/nvme0n1p1");
let out = truncate_middle_cols("/dev/nvme0n1p1", 9);
assert_eq!(cols(&out), 9);
assert!(out.starts_with("/dev"), "{out}");
assert!(out.ends_with("1p1"), "{out}");
assert!(out.contains('…'), "{out}");
// Non-ASCII names must not panic (the old byte-slicing version did).
for max in 0..12u16 {
let out = truncate_middle_cols("диск-🗄️-данные", max);
assert!(cols(&out) <= max.max(1), "{out:?} exceeds {max}");
}
}
#[test]
fn pick_pair_takes_the_richest_that_fits() {
let candidates = [
("full left text", "full right text"),
("left text", "right text"),
("left", "right"),
];
assert_eq!(pick_pair(80, 2, &candidates), candidates[0]);
assert_eq!(pick_pair(24, 2, &candidates), candidates[1]);
assert_eq!(pick_pair(12, 2, &candidates), candidates[2]);
// Below the floor the last candidate is still returned.
assert_eq!(pick_pair(1, 2, &candidates), candidates[2]);
}
/// The gap is what keeps the two pieces from touching; it must not be charged when
/// there is no right-hand piece to separate.
#[test]
fn pick_pair_only_charges_the_gap_when_both_sides_are_present() {
let candidates = [("0123456789", "x"), ("0123456789", "")];
assert_eq!(pick_pair(11, 2, &candidates), candidates[1]);
assert_eq!(pick_pair(13, 2, &candidates), candidates[0]);
}
}
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@@ -1,330 +0,0 @@
use ratatui::{
layout::{Constraint, Direction, Layout, Rect},
style::{Color, Style},
text::Span,
widgets::{Block, Borders, Gauge, Paragraph},
};
use crate::types::Metrics;
fn fmt_bytes(b: u64) -> String {
const KB: f64 = 1024.0;
const MB: f64 = KB * 1024.0;
const GB: f64 = MB * 1024.0;
let fb = b as f64;
if fb >= GB {
format!("{:.1}G", fb / GB)
} else if fb >= MB {
format!("{:.1}M", fb / MB)
} else if fb >= KB {
format!("{:.1}K", fb / KB)
} else {
format!("{b}B")
}
}
pub fn draw_gpu(f: &mut ratatui::Frame<'_>, area: Rect, m: Option<&Metrics>) {
let mut area = area;
let block = Block::default().borders(Borders::ALL).title("GPU");
f.render_widget(block, area);
// Guard: need some space inside the block
if area.height <= 2 || area.width <= 2 {
return;
}
// Inner padding consistent with the rest of the app
area.y += 1;
area.height = area.height.saturating_sub(2);
area.x += 1;
area.width = area.width.saturating_sub(2);
let Some(metrics) = m else {
return;
};
let Some(gpus) = metrics.gpus.as_ref() else {
f.render_widget(Paragraph::new("No GPUs"), area);
return;
};
if gpus.is_empty() {
f.render_widget(Paragraph::new("No GPUs"), area);
return;
}
// Show 3 rows per GPU: name, util bar, vram bar.
if area.height < 3 {
return;
}
let per_gpu_rows: u16 = 3;
let max_gpus = (area.height / per_gpu_rows) as usize;
let count = gpus.len().min(max_gpus);
let constraints = vec![Constraint::Length(1); count * per_gpu_rows as usize];
let rows = Layout::default()
.direction(Direction::Vertical)
.constraints(constraints)
.split(area);
// Per bar horizontal layout: [gauge] [value]
let split_bar = |r: Rect| {
Layout::default()
.direction(Direction::Horizontal)
.constraints([
Constraint::Min(8), // gauge column
Constraint::Length(24), // value column
])
.split(r)
};
for i in 0..count {
let g = &gpus[i];
// Row 1: GPU name
let name_text = g.name.as_deref().unwrap_or("GPU");
let name_p = Paragraph::new(Span::raw(name_text)).style(Style::default().fg(Color::Gray));
f.render_widget(name_p, rows[i * 3]);
// Row 2: Utilization bar + right label
let util_cols = split_bar(rows[i * 3 + 1]);
let util = g.utilization.unwrap_or(0.0).clamp(0.0, 100.0) as u16;
let util_gauge = Gauge::default()
.gauge_style(Style::default().fg(Color::Green))
.label(Span::raw(""))
.ratio(util as f64 / 100.0);
f.render_widget(util_gauge, util_cols[0]);
f.render_widget(
Paragraph::new(Span::raw(format!("util: {util}%")))
.style(Style::default().fg(Color::Gray)),
util_cols[1],
);
// Row 3: VRAM bar + right label
let mem_cols = split_bar(rows[i * 3 + 2]);
let used = g.mem_used.unwrap_or(0);
let total = g.mem_total.unwrap_or(1);
let mem_ratio = used as f64 / total as f64;
let mem_pct = (mem_ratio * 100.0).round() as u16;
let mem_gauge = Gauge::default()
.gauge_style(Style::default().fg(Color::LightMagenta))
.label(Span::raw(""))
.ratio(mem_ratio);
f.render_widget(mem_gauge, mem_cols[0]);
let used_s = fmt_bytes(used);
let total_s = fmt_bytes(total);
f.render_widget(
Paragraph::new(Span::raw(format!("vram: {used_s}/{total_s} ({mem_pct}%)")))
.style(Style::default().fg(Color::Gray)),
mem_cols[1],
);
}
}
/// One-line GPU strip for compact mode: no device name (it is the first thing to lose
/// value when rows are scarce), just utilisation and VRAM on the single content row
/// between the block borders. Only the first GPU fits; the title says so when there are
/// more.
pub fn draw_gpu_compact(f: &mut ratatui::Frame<'_>, area: Rect, m: Option<&Metrics>) {
let gpus = m.and_then(|mm| mm.gpus.as_ref());
let count = gpus.map(|g| g.len()).unwrap_or(0);
let title = if count > 1 {
format!("GPU (1/{count})")
} else {
"GPU".to_string()
};
f.render_widget(Block::default().borders(Borders::ALL).title(title), area);
if area.height < 3 || area.width <= 2 {
return;
}
let inner = Rect {
x: area.x + 1,
y: area.y + 1,
width: area.width - 2,
height: 1,
};
let Some(g) = gpus.and_then(|v| v.first()) else {
f.render_widget(Paragraph::new("No GPUs"), inner);
return;
};
let util = g.utilization.unwrap_or(0.0).clamp(0.0, 100.0) as u16;
let used = g.mem_used.unwrap_or(0);
let total = g.mem_total.unwrap_or(1);
let mem_ratio = if total > 0 {
(used as f64 / total as f64).clamp(0.0, 1.0)
} else {
0.0
};
let util_label = format!("util: {util}%");
let mem_label = format!(
"vram: {}/{} ({}%)",
fmt_bytes(used),
fmt_bytes(total),
(mem_ratio * 100.0).round() as u16
);
// Bars are sized explicitly rather than left to stretch: an idle bar renders as
// empty cells, so a full-width one turns into a long blank run between two labels.
const MIN_GAUGE_W: u16 = 6;
const MAX_GAUGE_W: u16 = 24;
let labels_w = util_label.len() as u16 + mem_label.len() as u16 + 4; // one space each side
let gauge_w = inner
.width
.saturating_sub(labels_w)
.min(2 * MAX_GAUGE_W)
.div_euclid(2);
// Too narrow for bars worth drawing: keep the numbers, drop the bars.
if gauge_w < MIN_GAUGE_W {
f.render_widget(
Paragraph::new(Span::raw(format!("{util_label} {mem_label}")))
.style(Style::default().fg(Color::Gray)),
inner,
);
return;
}
// Each label leads its own bar. Bar-then-label (as the tall panel does) is ambiguous
// on a single line: with an idle bar rendering empty, the next pair's fill ends up
// flush against the previous pair's text and reads as belonging to it.
let mut x = inner.x;
let mut place = |w: u16| {
let r = Rect {
x,
y: inner.y,
width: w,
height: 1,
};
x += w;
r
};
let util_rect = place(util_label.len() as u16 + 2);
let util_bar = place(gauge_w);
let mem_rect = place(mem_label.len() as u16 + 2);
let mem_bar = place(gauge_w);
let label = |text: &str| {
Paragraph::new(Span::raw(format!(" {text} "))).style(Style::default().fg(Color::Gray))
};
f.render_widget(label(&util_label), util_rect);
f.render_widget(
Gauge::default()
.gauge_style(Style::default().fg(Color::Green))
.label(Span::raw(""))
.ratio(util as f64 / 100.0),
util_bar,
);
f.render_widget(label(&mem_label), mem_rect);
f.render_widget(
Gauge::default()
.gauge_style(Style::default().fg(Color::LightMagenta))
.label(Span::raw(""))
.ratio(mem_ratio),
mem_bar,
);
}
#[cfg(test)]
mod render_tests {
use super::*;
use ratatui::Terminal;
use ratatui::backend::TestBackend;
use socktop_connector::{GpuInfo, Metrics};
fn gpu(name: &str) -> GpuInfo {
GpuInfo {
name: Some(name.into()),
vendor: None,
utilization: Some(42.0),
mem_used: Some(4_724_464_025),
mem_total: Some(17_070_817_280),
temp: None,
}
}
fn metrics(gpus: Option<Vec<GpuInfo>>) -> Metrics {
Metrics {
sampled_at_ms: None,
cpu_total: 0.0,
cpu_per_core: vec![],
mem_total: 1024,
mem_used: 0,
swap_total: 0,
swap_used: 0,
hostname: "t".into(),
cpu_temp_c: None,
disks: vec![],
networks: vec![],
top_processes: vec![],
gpus,
process_count: Some(0),
}
}
fn render(width: u16, m: &Metrics) -> String {
let mut terminal = Terminal::new(TestBackend::new(width, 3)).unwrap();
terminal
.draw(|f| draw_gpu_compact(f, Rect::new(0, 0, width, 3), Some(m)))
.unwrap();
let buf = terminal.backend().buffer();
let mut out = String::new();
for y in 0..buf.area().height {
for x in 0..buf.area().width {
out.push_str(buf[(x, y)].symbol());
}
out.push('\n');
}
out
}
/// Compact mode drops the device name — the row is one line and the numbers are
/// what the space is for.
#[test]
fn compact_strip_omits_the_device_name() {
let m = metrics(Some(vec![gpu("NVIDIA GeForce RTX 5080")]));
let out = render(80, &m);
assert!(
!out.contains("NVIDIA"),
"name leaked into compact strip:\n{out}"
);
assert!(out.contains("util: 42%"), "{out}");
assert!(out.contains("vram: 4.4G/15.9G (28%)"), "{out}");
}
/// A second GPU cannot fit on one line, so the title has to say the strip is partial
/// rather than silently showing only the first card.
#[test]
fn multiple_gpus_are_flagged_in_the_title() {
let one = render(80, &metrics(Some(vec![gpu("a")])));
assert!(one.contains("GPU") && !one.contains("1/"), "{one}");
let two = render(80, &metrics(Some(vec![gpu("a"), gpu("b")])));
assert!(two.contains("GPU (1/2)"), "{two}");
}
/// Narrow terminals drop the gauges rather than rendering two-cell stubs, but must
/// never drop the numbers.
#[test]
fn narrow_strip_keeps_the_numbers() {
let m = metrics(Some(vec![gpu("a")]));
for width in [20u16, 30, 40, 47, 48, 80, 200] {
let out = render(width, &m);
if width >= 40 {
assert!(out.contains("util: 42%"), "width {width}:\n{out}");
}
// No panic, and the block always closes on the last row.
assert_eq!(out.lines().count(), 3, "width {width}");
}
}
#[test]
fn missing_gpu_payload_does_not_panic() {
assert!(render(80, &metrics(None)).contains("No GPUs"));
assert!(render(80, &metrics(Some(vec![]))).contains("No GPUs"));
}
}
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@@ -1,232 +0,0 @@
//! Top header with hostname, connection status and polling intervals.
//!
//! The row carries two pieces of text — session identity on the left, polling intervals
//! on the right — and both matter. Rather than let the right one overwrite the left when
//! they no longer both fit, the header drops detail in priority order: the hostname and
//! the intervals are what survive longest, because they are what tells you *which* host
//! you are looking at and how fresh the numbers are.
use crate::ui::fit::{cols, pick_pair, truncate_cols};
use ratatui::{
layout::Rect,
text::{Line, Span},
widgets::{Block, Borders, Paragraph},
};
/// Columns kept clear between the left and right halves.
const GAP: u16 = 2;
/// Never shorten the hostname below this before dropping the intervals instead.
const HOSTNAME_FLOOR: u16 = 8;
/// Session state the header renders.
#[derive(Clone, Copy)]
pub struct HeaderState<'a> {
pub hostname: Option<&'a str>,
pub is_tls: bool,
pub has_token: bool,
pub metrics_ms: u128,
pub procs_ms: u128,
}
/// Builds the left and right halves of the header for a row `width` columns wide.
///
/// Detail is dropped in this order as the row narrows: the key hints, then the TLS/token
/// badges, then the `socktop — host:` prefix (leaving the bare hostname), then the
/// `metrics`/`procs` words, and only then is the hostname itself shortened. The two
/// halves are always sized to sit side by side, so neither can paint over the other.
///
/// Callers cache the result and rebuild it only when the state or the width changes.
pub fn build_header(state: HeaderState<'_>, width: u16) -> (String, String) {
let host = state.hostname.unwrap_or("connecting...");
let tls = if state.is_tls {
"🔒 TLS"
} else {
"🔒✗ TLS"
};
let badges = if state.has_token {
format!("{tls} | 🔑 token")
} else {
tls.to_string()
};
let named = format!("socktop — host: {host}");
let with_badges = format!("{named} | {badges}");
let with_keys = format!("{with_badges} | (a: about, h: help, q: quit)");
let intervals = format!(
"{}ms metrics | {}ms procs",
state.metrics_ms, state.procs_ms
);
let intervals_short = format!("{}ms | {}ms", state.metrics_ms, state.procs_ms);
// Richest first. The bare hostname is reached before the intervals lose their
// labels, and the hostname is only shortened once nothing else is left to give.
let ladder = [
(with_keys.as_str(), intervals.as_str()),
(with_badges.as_str(), intervals.as_str()),
(named.as_str(), intervals.as_str()),
(host, intervals.as_str()),
(host, intervals_short.as_str()),
];
let (left, right) = pick_pair(width, GAP, &ladder);
if cols(left) + cols(right) + GAP <= width {
return (left.to_string(), right.to_string());
}
// Past the floor of the ladder: shorten the hostname, and give up the intervals only
// if even a stub of a hostname will not fit beside them.
let room = width
.saturating_sub(cols(&intervals_short))
.saturating_sub(GAP);
if room >= HOSTNAME_FLOOR {
return (truncate_cols(host, room), intervals_short);
}
(truncate_cols(host, width), String::new())
}
pub fn draw_header(f: &mut ratatui::Frame<'_>, area: Rect, title: &str, intervals: &str) {
f.render_widget(Block::default().title(title).borders(Borders::BOTTOM), area);
if intervals.is_empty() {
return;
}
let intervals_width = cols(intervals);
if area.width >= intervals_width {
let right_area = Rect {
x: area.x + area.width - intervals_width,
y: area.y,
width: intervals_width,
height: 1,
};
f.render_widget(Paragraph::new(Line::from(Span::raw(intervals))), right_area);
}
}
#[cfg(test)]
mod tests {
use super::*;
fn state(hostname: Option<&str>) -> HeaderState<'_> {
HeaderState {
hostname,
is_tls: false,
has_token: false,
metrics_ms: 500,
procs_ms: 2000,
}
}
/// The defect this replaces: the two halves were painted independently, so below
/// ~105 columns the right half landed on top of the title. Whatever the width, they
/// must now fit side by side.
#[test]
fn halves_never_overlap_at_any_width() {
for width in 0..=200u16 {
let (left, right) = build_header(state(Some("cachyos-gaming")), width);
let used = cols(&left) + cols(&right);
if right.is_empty() {
assert!(cols(&left) <= width, "width {width}: {left:?} overflows");
} else {
assert!(
used + GAP <= width,
"width {width}: {left:?} + {right:?} = {used} cols, no room for both"
);
}
}
}
/// Hostname and intervals are the two things worth keeping; everything else is
/// context that can go.
#[test]
fn hostname_and_intervals_survive_longest() {
for width in 34..=200u16 {
let (left, right) = build_header(state(Some("cachyos-gaming")), width);
assert!(
left.contains("cachyos-gaming"),
"width {width}: lost the hostname ({left:?})"
);
assert!(
right.contains("500ms") && right.contains("2000ms"),
"width {width}: lost the intervals ({right:?})"
);
}
}
/// The ladder from the design: key hints, then badges, then the prefix, then the
/// interval labels, then the hostname itself.
#[test]
fn detail_is_dropped_in_priority_order() {
let s = state(Some("cachyos-gaming"));
let (left, right) = build_header(s, 120);
assert_eq!(
left,
"socktop — host: cachyos-gaming | 🔒✗ TLS | (a: about, h: help, q: quit)"
);
assert_eq!(right, "⏱ 500ms metrics | 2000ms procs");
// Key hints go first.
let (left, _) = build_header(s, 80);
assert_eq!(left, "socktop — host: cachyos-gaming | 🔒✗ TLS");
// Then the badges.
let (left, _) = build_header(s, 70);
assert_eq!(left, "socktop — host: cachyos-gaming");
// Then the prefix, leaving the bare hostname.
let (left, right) = build_header(s, 50);
assert_eq!(left, "cachyos-gaming");
assert_eq!(right, "⏱ 500ms metrics | 2000ms procs");
// Then the interval labels.
let (left, right) = build_header(s, 34);
assert_eq!(left, "cachyos-gaming");
assert_eq!(right, "⏱ 500ms | 2000ms");
// Only then is the hostname itself shortened.
// 30 columns - 16 for the short intervals - 2 gap leaves 12 for the hostname.
let (left, right) = build_header(s, 30);
assert_eq!(left, "cachyos-gam…");
assert_eq!(right, "⏱ 500ms | 2000ms");
}
/// A long hostname must not push the intervals off the row.
#[test]
fn a_long_hostname_is_shortened_rather_than_winning_the_row() {
let long = "a-very-long-hostname-that-will-not-fit-anywhere";
for width in 30..=100u16 {
let (left, right) = build_header(state(Some(long)), width);
assert!(!right.is_empty(), "width {width}: intervals were dropped");
assert!(cols(&left) + cols(&right) + GAP <= width, "width {width}");
}
}
/// Widths too small for both: the hostname is the last thing standing.
#[test]
fn hostname_is_the_final_survivor() {
let (left, right) = build_header(state(Some("cachyos-gaming")), 20);
assert!(right.is_empty(), "intervals should have been dropped");
assert!(!left.is_empty());
assert!(cols(&left) <= 20);
}
#[test]
fn tls_and_token_badges_appear_when_there_is_room() {
let s = HeaderState {
hostname: Some("host"),
is_tls: true,
has_token: true,
metrics_ms: 500,
procs_ms: 2000,
};
let (left, _) = build_header(s, 200);
assert!(left.contains("🔒 TLS"), "{left}");
assert!(left.contains("🔑 token"), "{left}");
}
#[test]
fn a_missing_hostname_reads_as_connecting() {
let (left, _) = build_header(state(None), 120);
assert!(left.contains("connecting"), "{left}");
}
}
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@@ -1,352 +0,0 @@
//! Root layout computation, shared by the draw path and the input hit-testing paths.
//!
//! Two modes:
//!
//! * [`LayoutMode::Normal`] — the full layout. CPU graph and per-core bars on top,
//! Memory over Swap on the left with the GPU panel beside them, then Disks and the
//! network graphs next to the process table.
//!
//! * [`LayoutMode::Compact`] — entered when the window is too short for the Disks pane
//! to render even one complete disk card. Disks is dropped, Memory and Swap move side
//! by side into the space it vacated, the GPU collapses to a single full-width line
//! (and disappears entirely when the host has no GPU), and every row reclaimed goes to
//! the CPU graph and per-core bars — which in the fixed layout are squeezed to nothing
//! long before the rest of the panes stop being useful.
use ratatui::layout::{Constraint, Direction, Layout, Rect};
/// Which of the two layouts [`compute`] produced.
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum LayoutMode {
Normal,
Compact,
}
impl LayoutMode {
pub fn is_compact(self) -> bool {
matches!(self, LayoutMode::Compact)
}
}
/// Rows the Disks pane needs before it can show one disk card: the card itself is
/// 3 rows (`disks::draw_disks`) plus the pane's own top and bottom border.
const DISKS_MIN_H: u16 = 5;
/// Header line.
const HEADER_H: u16 = 1;
/// Memory and Swap gauges: 1 content row between borders.
const GAUGE_H: u16 = 3;
/// A network graph at its preferred height.
const NET_H: u16 = 5;
// Compact-mode budget. The top row is kept at `TOP_MIN_H` (3 content rows between
// borders) before the network graphs are allowed to shrink, because restoring the CPU
// panes is the entire point of the mode.
const TOP_MIN_H: u16 = 5;
const BOTTOM_PREF_H: u16 = GAUGE_H + 2 * NET_H;
const BOTTOM_MIN_H: u16 = GAUGE_H + 2 * 3;
/// Every pane rect for one frame. `disks` and `gpu` are `None` when the mode omits them.
#[derive(Clone, Copy, Debug)]
pub struct AppLayout {
pub mode: LayoutMode,
pub header: Rect,
pub cpu: Rect,
pub per_core: Rect,
pub gpu: Option<Rect>,
pub mem: Rect,
pub swap: Rect,
pub disks: Option<Rect>,
pub download: Rect,
pub upload: Rect,
pub procs: Rect,
}
/// Splits `area` into pane rects.
///
/// `force_compact` comes from `--compact` and pins the compact layout at any size.
/// `has_gpu` decides whether compact mode reserves its one-line GPU strip; it is false
/// until the first metrics payload arrives, so a GPU-less host never reserves the row.
pub fn compute(area: Rect, force_compact: bool, has_gpu: bool) -> AppLayout {
if force_compact {
return compact(area, has_gpu);
}
let normal = normal(area);
match normal.disks {
Some(d) if d.height >= DISKS_MIN_H => normal,
_ => compact(area, has_gpu),
}
}
fn split(area: Rect, dir: Direction, constraints: &[Constraint]) -> std::rc::Rc<[Rect]> {
Layout::default()
.direction(dir)
.constraints(constraints)
.split(area)
}
/// 66/34 split used by every full-width row in the normal layout.
fn left_right(area: Rect) -> std::rc::Rc<[Rect]> {
split(
area,
Direction::Horizontal,
&[Constraint::Percentage(66), Constraint::Percentage(34)],
)
}
fn normal(area: Rect) -> AppLayout {
let rows = split(
area,
Direction::Vertical,
&[
Constraint::Length(HEADER_H), // header
Constraint::Ratio(1, 3), // top row
Constraint::Length(GAUGE_H), // memory (left) + GPU (right, part 1)
Constraint::Length(GAUGE_H), // swap (left) + GPU (right, part 2)
Constraint::Min(2 * NET_H), // bottom: disks + net (left), top procs (right)
],
);
let top = left_right(rows[1]);
let mem_lr = left_right(rows[2]);
let swap_lr = left_right(rows[3]);
// GPU spans the same vertical space as Memory + Swap.
let gpu = Rect {
x: mem_lr[1].x,
y: mem_lr[1].y,
width: mem_lr[1].width,
height: mem_lr[1].height + swap_lr[1].height,
};
let bottom = split(
rows[4],
Direction::Horizontal,
&[Constraint::Percentage(60), Constraint::Percentage(40)],
);
let left_stack = split(
bottom[0],
Direction::Vertical,
&[
Constraint::Min(4), // disks absorbs the slack
Constraint::Length(NET_H), // download
Constraint::Length(NET_H), // upload
],
);
AppLayout {
mode: LayoutMode::Normal,
header: rows[0],
cpu: top[0],
per_core: top[1],
gpu: Some(gpu),
mem: mem_lr[0],
swap: swap_lr[0],
disks: Some(left_stack[0]),
download: left_stack[1],
upload: left_stack[2],
procs: bottom[1],
}
}
fn compact(area: Rect, has_gpu: bool) -> AppLayout {
let gpu_h = if has_gpu { GAUGE_H } else { 0 };
let avail = area.height.saturating_sub(HEADER_H + gpu_h);
// Give the top row its floor first, then share any surplus with the bottom so the
// process table keeps growing with the window instead of staying pinned at 13 rows.
let (top_h, bottom_h) = if avail >= TOP_MIN_H + BOTTOM_PREF_H {
let top = TOP_MIN_H + (avail - TOP_MIN_H - BOTTOM_PREF_H) / 2;
(top, avail - top)
} else if avail >= TOP_MIN_H + BOTTOM_MIN_H {
(TOP_MIN_H, avail - TOP_MIN_H)
} else {
// Smaller than both floors: the network graphs are already at their minimum, so
// the top row takes what is left (panes clip below this point).
let bottom = BOTTOM_MIN_H.min(avail);
(avail - bottom, bottom)
};
let rows = split(
area,
Direction::Vertical,
&[
Constraint::Length(HEADER_H),
Constraint::Length(top_h),
Constraint::Length(gpu_h),
Constraint::Length(bottom_h),
],
);
let top = left_right(rows[1]);
let bottom = split(
rows[3],
Direction::Horizontal,
&[Constraint::Percentage(60), Constraint::Percentage(40)],
);
// Memory + Swap take the row Disks used to occupy; the graphs share what is left.
let left_stack = split(
bottom[0],
Direction::Vertical,
&[
Constraint::Length(GAUGE_H),
Constraint::Fill(1),
Constraint::Fill(1),
],
);
let gauges = split(
left_stack[0],
Direction::Horizontal,
&[Constraint::Percentage(50), Constraint::Percentage(50)],
);
AppLayout {
mode: LayoutMode::Compact,
header: rows[0],
cpu: top[0],
per_core: top[1],
gpu: has_gpu.then_some(rows[2]),
mem: gauges[0],
swap: gauges[1],
disks: None,
download: left_stack[1],
upload: left_stack[2],
procs: bottom[1],
}
}
#[cfg(test)]
mod tests {
use super::*;
fn area(w: u16, h: u16) -> Rect {
Rect::new(0, 0, w, h)
}
/// The height where the normal layout still fits a full disk card. Below it the CPU
/// panes are the ones that collapse, which is what compact mode exists to prevent.
#[test]
fn tall_window_stays_normal() {
let l = compute(area(120, 40), false, true);
assert_eq!(l.mode, LayoutMode::Normal);
assert!(l.disks.expect("disks pane").height >= DISKS_MIN_H);
}
#[test]
fn short_window_switches_to_compact() {
let l = compute(area(120, 24), false, true);
assert_eq!(l.mode, LayoutMode::Compact);
assert!(l.disks.is_none());
}
/// The switch happens exactly when Disks can no longer show one card, and never
/// oscillates: every height above the crossover is normal, every height below is
/// compact.
#[test]
fn mode_is_monotonic_in_height() {
let mut first_normal = None;
for h in 10..=60u16 {
let mode = compute(area(120, h), false, true).mode;
match (mode, first_normal) {
(LayoutMode::Normal, None) => first_normal = Some(h),
(LayoutMode::Compact, Some(prev)) => {
panic!("height {h} went back to compact after normal at {prev}")
}
_ => {}
}
}
assert!(first_normal.is_some(), "never reached the normal layout");
}
#[test]
fn force_compact_overrides_a_tall_window() {
let l = compute(area(200, 80), true, true);
assert_eq!(l.mode, LayoutMode::Compact);
assert!(l.disks.is_none());
}
#[test]
fn compact_drops_the_gpu_row_without_a_gpu() {
let with = compute(area(120, 24), true, true);
let without = compute(area(120, 24), true, false);
assert!(with.gpu.is_some());
assert_eq!(with.gpu.expect("gpu strip").height, GAUGE_H);
assert!(without.gpu.is_none());
// The rows a GPU-less host saves are shared between the CPU panes and the
// bottom half, and none of them are left as a gap.
assert!(without.cpu.height > with.cpu.height);
assert!(without.procs.height > with.procs.height);
assert_eq!(without.procs.y + without.procs.height, 24);
}
/// Compact exists to keep the CPU graph and per-core bars drawable: both need
/// content rows inside their borders.
#[test]
fn compact_keeps_the_cpu_panes_drawable() {
for h in 18..=32u16 {
let l = compute(area(120, h), false, true);
assert_eq!(l.mode, LayoutMode::Compact, "height {h}");
assert!(
l.cpu.height >= TOP_MIN_H,
"height {h}: cpu pane only {} rows",
l.cpu.height
);
assert_eq!(l.per_core.height, l.cpu.height);
}
}
/// Regression guard for the bug this mode fixes: at 18 rows the old fixed layout
/// left the top row with no drawable interior at all.
#[test]
fn compact_beats_the_fixed_layout_at_18_rows() {
let compact = compute(area(120, 18), false, true);
let fixed = normal(area(120, 18));
assert!(fixed.cpu.height <= 2, "fixed layout unexpectedly usable");
assert!(compact.cpu.height > fixed.cpu.height);
}
#[test]
fn compact_panes_tile_the_area_without_gaps() {
for h in 16..=32u16 {
for has_gpu in [true, false] {
let l = compute(area(120, h), true, has_gpu);
assert_eq!(l.header.y, 0);
assert_eq!(l.cpu.y, l.header.y + l.header.height);
assert_eq!(l.per_core.x, l.cpu.x + l.cpu.width);
let after_cpu = l.cpu.y + l.cpu.height;
let bottom_y = match l.gpu {
Some(g) => {
assert_eq!(g.y, after_cpu);
assert_eq!(g.width, 120, "gpu strip spans the full width");
g.y + g.height
}
None => after_cpu,
};
assert_eq!(l.mem.y, bottom_y);
// Memory and Swap sit side by side on one row.
assert_eq!(l.swap.y, l.mem.y);
assert_eq!(l.swap.x, l.mem.x + l.mem.width);
assert_eq!(l.mem.height, GAUGE_H);
assert_eq!(l.download.y, l.mem.y + l.mem.height);
assert_eq!(l.upload.y, l.download.y + l.download.height);
assert_eq!(l.procs.y, bottom_y);
}
}
}
/// A degenerate size must not panic or produce rects outside the frame.
#[test]
fn tiny_windows_stay_inside_the_frame() {
for h in 0..=16u16 {
for w in [0u16, 1, 20, 80] {
let l = compute(area(w, h), false, true);
for r in [l.header, l.cpu, l.per_core, l.mem, l.swap, l.procs] {
assert!(r.y + r.height <= h, "{r:?} escapes height {h}");
assert!(r.x + r.width <= w, "{r:?} escapes width {w}");
}
}
}
}
}
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//! Memory gauge.
use crate::types::Metrics;
use crate::ui::util::human;
use ratatui::{
layout::Rect,
style::{Color, Style},
widgets::{Block, Borders, Gauge},
};
pub fn draw_mem(f: &mut ratatui::Frame<'_>, area: Rect, m: Option<&Metrics>) {
let (used, total, pct) = if let Some(mm) = m {
let pct = if mm.mem_total > 0 {
(mm.mem_used as f64 / mm.mem_total as f64 * 100.0) as u16
} else {
0
};
(mm.mem_used, mm.mem_total, pct)
} else {
(0, 0, 0)
};
let g = Gauge::default()
.block(Block::default().borders(Borders::ALL).title("Memory"))
.gauge_style(Style::default().fg(Color::Magenta))
.percent(pct)
.label(format!("{} / {}", human(used), human(total)));
f.render_widget(g, area);
}
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//! UI module root: exposes drawing functions for individual panels.
pub mod cpu;
pub mod disks;
pub mod fit;
pub mod gpu;
pub mod header;
pub mod layout;
pub mod mem;
pub mod modal;
pub mod modal_connection;
pub mod modal_format;
pub mod modal_process;
pub mod modal_types;
pub mod net;
pub mod processes;
pub mod swap;
pub mod theme;
pub mod util;
File diff suppressed because it is too large Load Diff
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//! Connection error modal rendering
use std::time::Instant;
use super::modal_format::format_duration;
use super::theme::{
BTN_EXIT_BG_ACTIVE, BTN_EXIT_FG_ACTIVE, BTN_EXIT_FG_INACTIVE, BTN_EXIT_TEXT,
BTN_RETRY_BG_ACTIVE, BTN_RETRY_FG_ACTIVE, BTN_RETRY_FG_INACTIVE, BTN_RETRY_TEXT, ICON_CLUSTER,
ICON_COUNTDOWN_LABEL, ICON_MESSAGE, ICON_OFFLINE_LABEL, ICON_RETRY_LABEL, ICON_WARNING_TITLE,
LARGE_ERROR_ICON, MODAL_AGENT_FG, MODAL_BG, MODAL_BORDER_FG, MODAL_COUNTDOWN_LABEL_FG,
MODAL_FG, MODAL_HINT_FG, MODAL_ICON_PINK, MODAL_OFFLINE_LABEL_FG, MODAL_RETRY_LABEL_FG,
MODAL_TITLE_FG,
};
use ratatui::{
Frame,
layout::{Alignment, Constraint, Direction, Layout, Rect},
style::{Color, Modifier, Style},
text::{Line, Span, Text},
widgets::{Block, Borders, Paragraph, Wrap},
};
use super::modal::{ModalButton, ModalManager};
impl ModalManager {
pub(super) fn render_connection_error(
&self,
f: &mut Frame,
area: Rect,
message: &str,
disconnected_at: Instant,
retry_count: u32,
auto_retry_countdown: Option<u64>,
) {
let duration_text = format_duration(disconnected_at.elapsed());
let chunks = Layout::default()
.direction(Direction::Vertical)
.constraints([
Constraint::Length(3),
Constraint::Min(4),
Constraint::Length(4),
])
.split(area);
let block = Block::default()
.title(
Line::from(ICON_WARNING_TITLE).style(
Style::default()
.fg(MODAL_TITLE_FG)
.add_modifier(Modifier::BOLD),
),
)
.borders(Borders::ALL)
.border_style(Style::default().fg(MODAL_BORDER_FG))
.style(Style::default().bg(MODAL_BG).fg(MODAL_FG));
f.render_widget(block, area);
let content_area = chunks[1];
let max_w = content_area.width.saturating_sub(15) as usize;
let clean_message = if message.to_lowercase().contains("hostname verification")
|| message.contains("socktop_connector")
{
"Connection failed - hostname verification disabled".to_string()
} else if message.contains("Failed to fetch metrics:") {
if let Some(p) = message.find(':') {
let ess = message[p + 1..].trim();
if ess.len() > max_w {
format!("{}...", &ess[..max_w.saturating_sub(3)])
} else {
ess.to_string()
}
} else {
"Connection error".to_string()
}
} else if message.starts_with("Retry failed:") {
if let Some(p) = message.find(':') {
let ess = message[p + 1..].trim();
if ess.len() > max_w {
format!("{}...", &ess[..max_w.saturating_sub(3)])
} else {
ess.to_string()
}
} else {
"Retry failed".to_string()
}
} else if message.len() > max_w {
format!("{}...", &message[..max_w.saturating_sub(3)])
} else {
message.to_string()
};
let truncate = |s: &str| {
if s.len() > max_w {
format!("{}...", &s[..max_w.saturating_sub(3)])
} else {
s.to_string()
}
};
let agent_text = truncate("📡 Cannot connect to socktop agent");
let message_text = truncate(&clean_message);
let duration_display = truncate(&duration_text);
let retry_display = truncate(&retry_count.to_string());
let countdown_text = auto_retry_countdown.map(|c| {
if c == 0 {
"Auto retry now...".to_string()
} else {
format!("{c}s")
}
});
// Determine if we have enough space (height + width) to show large centered icon
let icon_max_width = LARGE_ERROR_ICON
.iter()
.map(|l| l.trim().chars().count())
.max()
.unwrap_or(0) as u16;
let large_allowed = content_area.height >= (LARGE_ERROR_ICON.len() as u16 + 8)
&& content_area.width >= icon_max_width + 6; // small margin for borders/padding
let mut icon_lines: Vec<Line> = Vec::new();
if large_allowed {
for &raw in LARGE_ERROR_ICON.iter() {
let trimmed = raw.trim();
icon_lines.push(Line::from(
trimmed
.chars()
.map(|ch| {
if ch == '!' {
Span::styled(
ch.to_string(),
Style::default()
.fg(Color::White)
.add_modifier(Modifier::BOLD),
)
} else if ch == '/' || ch == '\\' || ch == '_' {
// keep outline in pink
Span::styled(
ch.to_string(),
Style::default()
.fg(MODAL_ICON_PINK)
.add_modifier(Modifier::BOLD),
)
} else if ch == ' ' {
Span::raw(" ")
} else {
Span::styled(ch.to_string(), Style::default().fg(MODAL_ICON_PINK))
}
})
.collect::<Vec<_>>(),
));
}
icon_lines.push(Line::from("")); // blank spacer line below icon
}
let mut info_lines: Vec<Line> = Vec::new();
if !large_allowed {
info_lines.push(Line::from(vec![Span::styled(
ICON_CLUSTER,
Style::default().fg(MODAL_ICON_PINK),
)]));
info_lines.push(Line::from(""));
}
info_lines.push(Line::from(vec![Span::styled(
&agent_text,
Style::default().fg(MODAL_AGENT_FG),
)]));
info_lines.push(Line::from(""));
info_lines.push(Line::from(vec![
Span::styled(ICON_MESSAGE, Style::default().fg(MODAL_HINT_FG)),
Span::styled(&message_text, Style::default().fg(MODAL_AGENT_FG)),
]));
info_lines.push(Line::from(""));
info_lines.push(Line::from(vec![
Span::styled(
ICON_OFFLINE_LABEL,
Style::default().fg(MODAL_OFFLINE_LABEL_FG),
),
Span::styled(
&duration_display,
Style::default()
.fg(Color::White)
.add_modifier(Modifier::BOLD),
),
]));
info_lines.push(Line::from(vec![
Span::styled(ICON_RETRY_LABEL, Style::default().fg(MODAL_RETRY_LABEL_FG)),
Span::styled(
&retry_display,
Style::default()
.fg(Color::White)
.add_modifier(Modifier::BOLD),
),
]));
if let Some(cd) = &countdown_text {
info_lines.push(Line::from(vec![
Span::styled(
ICON_COUNTDOWN_LABEL,
Style::default().fg(MODAL_COUNTDOWN_LABEL_FG),
),
Span::styled(
cd,
Style::default()
.fg(Color::White)
.add_modifier(Modifier::BOLD),
),
]));
}
let constrained = Rect {
x: content_area.x + 2,
y: content_area.y,
width: content_area.width.saturating_sub(4),
height: content_area.height,
};
if large_allowed {
let split = Layout::default()
.direction(Direction::Vertical)
.constraints([
Constraint::Length(icon_lines.len() as u16),
Constraint::Min(0),
])
.split(constrained);
// Center the icon block; each line already trimmed so per-line centering keeps shape
f.render_widget(
Paragraph::new(Text::from(icon_lines))
.alignment(Alignment::Center)
.wrap(Wrap { trim: false }),
split[0],
);
f.render_widget(
Paragraph::new(Text::from(info_lines))
.alignment(Alignment::Center)
.wrap(Wrap { trim: true }),
split[1],
);
} else {
f.render_widget(
Paragraph::new(Text::from(info_lines))
.alignment(Alignment::Center)
.wrap(Wrap { trim: true }),
constrained,
);
}
let button_area = Rect {
x: chunks[2].x,
y: chunks[2].y,
width: chunks[2].width,
height: chunks[2].height.saturating_sub(1),
};
self.render_connection_error_buttons(f, button_area);
}
fn render_connection_error_buttons(&self, f: &mut Frame, area: Rect) {
let button_chunks = Layout::default()
.direction(Direction::Horizontal)
.constraints([
Constraint::Percentage(30),
Constraint::Percentage(15),
Constraint::Percentage(10),
Constraint::Percentage(15),
Constraint::Percentage(30),
])
.split(area);
let retry_style = if self.active_button == ModalButton::Retry {
Style::default()
.bg(BTN_RETRY_BG_ACTIVE)
.fg(BTN_RETRY_FG_ACTIVE)
.add_modifier(Modifier::BOLD)
} else {
Style::default()
.fg(BTN_RETRY_FG_INACTIVE)
.add_modifier(Modifier::DIM)
};
let exit_style = if self.active_button == ModalButton::Exit {
Style::default()
.bg(BTN_EXIT_BG_ACTIVE)
.fg(BTN_EXIT_FG_ACTIVE)
.add_modifier(Modifier::BOLD)
} else {
Style::default()
.fg(BTN_EXIT_FG_INACTIVE)
.add_modifier(Modifier::DIM)
};
f.render_widget(
Paragraph::new(Text::from(Line::from(vec![Span::styled(
BTN_RETRY_TEXT,
retry_style,
)])))
.alignment(Alignment::Center),
button_chunks[1],
);
f.render_widget(
Paragraph::new(Text::from(Line::from(vec![Span::styled(
BTN_EXIT_TEXT,
exit_style,
)])))
.alignment(Alignment::Center),
button_chunks[3],
);
}
}
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//! Formatting utilities for process details modal
use std::time::Duration;
/// Format uptime in human-readable form
pub fn format_uptime(secs: u64) -> String {
let days = secs / 86400;
let hours = (secs % 86400) / 3600;
let minutes = (secs % 3600) / 60;
let seconds = secs % 60;
if days > 0 {
format!("{days}d {hours}h {minutes}m")
} else if hours > 0 {
format!("{hours}h {minutes}m {seconds}s")
} else if minutes > 0 {
format!("{minutes}m {seconds}s")
} else {
format!("{seconds}s")
}
}
/// Format duration in human-readable form
pub fn format_duration(duration: Duration) -> String {
let total = duration.as_secs();
let h = total / 3600;
let m = (total % 3600) / 60;
let s = total % 60;
if h > 0 {
format!("{h}h {m}m {s}s")
} else if m > 0 {
format!("{m}m {s}s")
} else {
format!("{s}s")
}
}
/// Normalize CPU usage to 0-100% by dividing by thread count
pub fn normalize_cpu_usage(cpu_usage: f32, thread_count: u32) -> f32 {
let threads = thread_count.max(1) as f32;
(cpu_usage / threads).min(100.0)
}
/// Calculate dynamic Y-axis maximum in 10% increments
pub fn calculate_dynamic_y_max(max_value: f64) -> f64 {
((max_value / 10.0).ceil() * 10.0).clamp(10.0, 100.0)
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_format_uptime_seconds() {
assert_eq!(format_uptime(45), "45s");
}
#[test]
fn test_format_uptime_minutes() {
assert_eq!(format_uptime(125), "2m 5s");
}
#[test]
fn test_format_uptime_hours() {
assert_eq!(format_uptime(3665), "1h 1m 5s");
}
#[test]
fn test_format_uptime_days() {
assert_eq!(format_uptime(90061), "1d 1h 1m");
}
#[test]
fn test_normalize_cpu_single_thread() {
assert_eq!(normalize_cpu_usage(50.0, 1), 50.0);
}
#[test]
fn test_normalize_cpu_multi_thread() {
assert_eq!(normalize_cpu_usage(400.0, 4), 100.0);
}
#[test]
fn test_normalize_cpu_zero_threads() {
// Should default to 1 thread to avoid division by zero
assert_eq!(normalize_cpu_usage(100.0, 0), 100.0);
}
#[test]
fn test_normalize_cpu_caps_at_100() {
assert_eq!(normalize_cpu_usage(150.0, 1), 100.0);
}
#[test]
fn test_dynamic_y_max_rounds_up() {
assert_eq!(calculate_dynamic_y_max(15.0), 20.0);
assert_eq!(calculate_dynamic_y_max(25.0), 30.0);
assert_eq!(calculate_dynamic_y_max(5.0), 10.0);
}
#[test]
fn test_dynamic_y_max_minimum() {
assert_eq!(calculate_dynamic_y_max(0.0), 10.0);
assert_eq!(calculate_dynamic_y_max(3.0), 10.0);
}
#[test]
fn test_dynamic_y_max_caps_at_100() {
assert_eq!(calculate_dynamic_y_max(95.0), 100.0);
assert_eq!(calculate_dynamic_y_max(100.0), 100.0);
}
}
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//! Type definitions for modal system
use std::time::Instant;
/// History data for process metrics rendering
pub struct ProcessHistoryData<'a> {
pub cpu: &'a std::collections::VecDeque<f32>,
/// Running sum of `cpu` maintained by the caller (avoids re-summing per frame)
pub cpu_sum: f32,
pub mem: &'a std::collections::VecDeque<u64>,
pub io_read: &'a std::collections::VecDeque<u64>,
pub io_write: &'a std::collections::VecDeque<u64>,
}
/// Process data for modal rendering
pub struct ProcessModalData<'a> {
pub details: Option<&'a socktop_connector::ProcessMetricsResponse>,
pub journal: Option<&'a socktop_connector::JournalResponse>,
pub history: ProcessHistoryData<'a>,
pub max_mem_bytes: u64,
pub unsupported: bool,
/// Whether the process-kill feature is available (agent local, no policy
/// override). Only used to decide whether the `t` kill hint is shown —
/// the kill itself is gated in `App`.
pub kill_enabled: bool,
}
/// Parameters for rendering scatter plot
pub(super) struct ScatterPlotParams<'a> {
pub process: &'a socktop_connector::DetailedProcessInfo,
pub main_user_ms: f64,
pub main_system_ms: f64,
pub max_user: f64,
pub max_system: f64,
}
#[derive(Debug, Clone)]
pub enum ModalType {
ConnectionError {
message: String,
disconnected_at: Instant,
retry_count: u32,
auto_retry_countdown: Option<u64>,
},
ProcessDetails {
pid: u32,
},
About,
Help,
#[allow(dead_code)]
Confirmation {
title: String,
message: String,
confirm_text: String,
cancel_text: String,
},
#[allow(dead_code)]
Info {
title: String,
message: String,
},
}
#[derive(Debug, Clone, PartialEq)]
pub enum ModalAction {
None, // Modal didn't handle the key, pass to main window
Handled, // Modal handled the key, don't pass to main window
RetryConnection,
ExitApp,
Confirm,
/// Confirmation modal's second affirmative: the same action, escalated.
/// Used by the kill prompt for SIGKILL, where `Confirm` means SIGTERM.
ConfirmForce,
Cancel,
Dismiss,
SwitchToParentProcess(u32), // Switch to viewing parent process details
/// `t` pressed while viewing a process's details — the app decides whether
/// the agent is local and, if so, raises the kill confirmation.
KillSelected(u32),
}
#[derive(Debug, Clone, PartialEq)]
pub enum ModalButton {
Retry,
Exit,
Confirm,
/// Escalated affirmative on a Confirmation modal (SIGKILL for the kill
/// prompt). Separate button rather than a separate keybinding so the
/// destructive option has to be selected deliberately.
ConfirmForce,
Cancel,
Ok,
}

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