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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
92 changed files with 1900 additions and 7854 deletions
-129
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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 --test ws_probe -- --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"
}
$env:SOCKTOP_WS = "ws://127.0.0.1:3000/ws"
try {
cargo test -p socktop --test ws_probe -- --nocapture
} finally {
if ($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: ${{ secrets.GITHUB_TOKEN }}
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/target
-83
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{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{
"type": "lldb",
"request": "launch",
"name": "Debug executable 'socktop'",
"cargo": {
"args": [
"build",
"--bin=socktop",
"--package=socktop"
],
"filter": {
"name": "socktop",
"kind": "bin"
}
},
"args": ["ws://127.0.0.1:3000/ws"],
"cwd": "${workspaceFolder}"
},
{
"type": "lldb",
"request": "launch",
"name": "Debug unit tests in executable 'socktop'",
"cargo": {
"args": [
"test",
"--no-run",
"--bin=socktop",
"--package=socktop"
],
"filter": {
"name": "socktop",
"kind": "bin"
}
},
"args": [],
"cwd": "${workspaceFolder}"
},
{
"type": "lldb",
"request": "launch",
"name": "Debug executable 'socktop_agent'",
"cargo": {
"args": [
"build",
"--bin=socktop_agent",
"--package=socktop_agent"
],
"filter": {
"name": "socktop_agent",
"kind": "bin"
}
},
"args": [],
"cwd": "${workspaceFolder}"
},
{
"type": "lldb",
"request": "launch",
"name": "Debug unit tests in executable 'socktop_agent'",
"cargo": {
"args": [
"test",
"--no-run",
"--bin=socktop_agent",
"--package=socktop_agent"
],
"filter": {
"name": "socktop_agent",
"kind": "bin"
}
},
"args": [],
"cwd": "${workspaceFolder}"
}
]
}
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# 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!
Generated
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[workspace]
resolver = "2"
members = [
"socktop",
"socktop_agent"
]
[workspace.dependencies]
# async + streams
tokio = { version = "1", features = ["full"] }
futures = "0.3"
futures-util = "0.3"
anyhow = "1.0"
# websocket
tokio-tungstenite = { version = "0.24", features = ["__rustls-tls", "connect"] }
tungstenite = "0.24"
url = "2.5"
# JSON + error handling
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
thiserror = "1.0"
# system stats
sysinfo = "0.32"
# CLI UI
ratatui = "0.28"
crossterm = "0.27"
# date/time
chrono = { version = "0.4", features = ["serde"] }
# web server (remote-agent)
axum = { version = "0.7", features = ["ws"] }
# protobuf
prost = "0.13"
prost-types = "0.13"
bytes = "1"
dirs-next = "2"
[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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# 🚀 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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-----BEGIN PGP PUBLIC KEY BLOCK-----
mQGNBGkih7QBDADgX6sYMx2Lp6qcZxeCCizcy4TFsxcRJfp5mfbMplVES0hQToIP
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+221
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@@ -0,0 +1,221 @@
# 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, inspired by top/btop, talking to a lightweight agent over WebSockets.
This repository contains Debian packages for socktop and socktop-agent.
- Linux agent: near-zero CPU when idle (request-driven, no always-on sampler)
- TUI: smooth graphs, sortable process table, scrollbars, readable colors
## Adding this repository
![socktop screenshot](./docs/14900ks_arch_alacritty_gpu_active_v2.jpg)
---
## Features
- Remote monitoring via WebSocket (JSON over WS)
- Optional WSS (TLS): agent autogenerates a selfsigned cert on first run; client pins the cert via --tls-ca/-t
- TUI built with ratatui
- CPU
- Overall sparkline + per-core mini bars
- Accurate per-process CPU% (Linux /proc deltas), normalized to 0100%
- Memory/Swap gauges with human units
- Disks: per-device usage
- Network: per-interface throughput with sparklines and peak markers
- Temperatures: CPU (optional)
- Top processes (top 50)
- PID, name, CPU%, memory, and memory%
- Click-to-sort by CPU% or Mem (descending)
- Scrollbar and mouse/keyboard scrolling
- Total process count shown in the header
- Only top-level processes listed (threads hidden) — matches btop/top
- Optional GPU metrics (can be disabled)
- Optional auth token for the agent
---
## Prerequisites: Install Rust (rustup)
Rust is fast, safe, and crossplatform. Installing it will make your machine better. Consider yourself privileged.
Linux/macOS:
```bash
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
# load cargo for this shell
source "$HOME/.cargo/env"
# ensure stable is up to date
rustup update stable
rustc --version
cargo --version
# after install you may need to reload your shell, e.g.:
exec bash # or: exec zsh / exec fish
```
Windows (for the brave): install from https://rustup.rs with the MSVC toolchain. Yes, youll need Visual Studio Build Tools. You chose Windows — enjoy the ride.
### Raspberry Pi / Ubuntu / PopOS (required)
Install GPU support with apt command below
Add the repository to your system:
```bash
sudo apt-get update
sudo apt-get install libdrm-dev libdrm-amdgpu1
# 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
## Architecture
Two components:
1) Agent (remote): small Rust WS server using sysinfo + /proc. It collects on demand when the client asks (fast metrics ~500 ms, processes ~2 s, disks ~5 s). No background loop when nobody is connected.
2) Client (local): TUI that connects to ws://HOST:PORT/ws (or wss://HOST:PORT/ws when TLS is enabled) and renders updates.
---
## Quick start
- Build both binaries:
You can also download and install packages manually from the `pool/main/` directory.
```bash
git clone https://github.com/jasonwitty/socktop.git
cd socktop
cargo build --release
wget https://jasonwitty.github.io/socktop/pool/main/socktop_VERSION_ARCH.deb
sudo dpkg -i socktop_VERSION_ARCH.deb
```
- Start the agent on the target machine (default port 3000):
## Supported Architectures
```bash
./target/release/socktop_agent --port 3000
```
- amd64 (x86_64)
- arm64 (aarch64)
- armhf (32-bit ARM)
- Connect with the TUI from your local machine:
## Building from Source
```bash
./target/release/socktop ws://REMOTE_HOST:3000/ws
```
### Quick demo (no agent setup)
Spin up a temporary local agent on port 3231 and connect automatically:
```bash
socktop --demo
```
Or just run `socktop` with no arguments and pick the builtin `demo` entry from the interactive profile list (if you have saved profiles, `demo` is appended). The demo agent:
- Runs locally (`ws://127.0.0.1:3231/ws`)
- Stops automatically (you'll see "Stopped demo agent on port 3231") when you quit the TUI or press Ctrl-C
---
## Install (from crates.io)
You dont need to clone this repo to use socktop. Install the published binaries with cargo:
```bash
# TUI (client)
cargo install socktop
# Agent (server)
cargo install socktop_agent
```
This drops socktop and socktop_agent into ~/.cargo/bin (add it to PATH).
Notes:
- After installing Rust via rustup, reload your shell (e.g., exec bash) so cargo is on PATH.
- Windows: you can also grab prebuilt EXEs from GitHub Actions artifacts if rustup scares you. It shouldnt. Be brave.
Option B: System-wide agent (Linux)
```bash
# If you installed with cargo, binaries are in ~/.cargo/bin
sudo install -o root -g root -m 0755 "$HOME/.cargo/bin/socktop_agent" /usr/local/bin/socktop_agent
# Install and enable the systemd service (example unit in docs/)
sudo install -o root -g root -m 0644 docs/socktop-agent.service /etc/systemd/system/socktop-agent.service
sudo systemctl daemon-reload
sudo systemctl enable --now socktop-agent
```
---
## Usage
Agent (server):
```bash
socktop_agent --port 3000
# or env: SOCKTOP_PORT=3000 socktop_agent
# optional auth: SOCKTOP_TOKEN=changeme socktop_agent
# enable TLS (selfsigned cert, default port 8443; you can also use -p):
socktop_agent --enableSSL --port 8443
```
Client (TUI):
```bash
socktop ws://HOST:3000/ws
# with token:
socktop "ws://HOST:3000/ws?token=changeme"
# TLS with pinned server certificate (recommended over the internet):
socktop --tls-ca /path/to/cert.pem wss://HOST:8443/ws
# shorthand:
socktop -t /path/to/cert.pem wss://HOST:8443/ws
# Note: providing --tls-ca/-t automatically upgrades ws:// to wss:// if you forget
```
Intervals (client-driven):
- Fast metrics: ~500 ms
- Processes: ~2 s (top 50)
- Disks: ~5 s
The agent stays idle unless queried. When queried, it collects just whats needed.
---
## Connection Profiles (Named)
You can save frequently used connection settings (URL + optional TLS CA path) under a short name and reuse them later.
Config file location:
- Linux (XDG): `$XDG_CONFIG_HOME/socktop/profiles.json`
- Fallback (when XDG not set): `~/.config/socktop/profiles.json`
### Creating a profile
First time you specify a new `--profile/-P` name together with a URL (and optional `--tls-ca`), it is saved automatically:
```bash
socktop --profile prod ws://prod-host:3000/ws
# With TLS pinning:
socktop --profile prod-tls --tls-ca /path/to/cert.pem wss://prod-host:8443/ws
You can also set custom intervals (milliseconds):
```bash
socktop --profile prod --metrics-interval-ms 750 --processes-interval-ms 3000 ws://prod-host:3000/ws
```
```
If a profile already exists you will be prompted before overwriting:
```
$ socktop --profile prod ws://new-host:3000/ws
Overwrite existing profile 'prod'? [y/N]: y
```
To overwrite without an interactive prompt pass `--save`:
```bash
socktop --profile prod --save ws://new-host:3000/ws
```
### Using a saved profile
Just pass the profile name (no URL needed):
```bash
socktop --profile prod
socktop -P prod-tls # short flag
```
The stored URL (and TLS CA path, if any) plus any saved intervals will be used. TLS auto-upgrade still applies if a CA path is stored alongside a ws:// URL.
### Interactive selection (no args)
If you run `socktop` with no arguments and at least one profile exists, you will be shown a numbered list to pick from:
```
$ socktop
Select profile:
1. prod
2. prod-tls
Enter number (or blank to abort): 2
```
Choosing a number starts the TUI with that profile. A builtin `demo` option is always appended; selecting it launches a local agent on port 3231 (no TLS) and connects to `ws://127.0.0.1:3231/ws`. Pressing Enter on blank aborts without connecting.
### JSON format
An example `profiles.json` (prettyprinted):
```json
{
"profiles": {
"prod": { "url": "ws://prod-host:3000/ws" },
"prod-tls": {
"url": "wss://prod-host:8443/ws",
"tls_ca": "/home/user/certs/prod-cert.pem",
"metrics_interval_ms": 500,
"processes_interval_ms": 2000
}
},
"version": 0
}
```
Notes:
- The `tls_ca` path is stored as given; if you move or rotate the certificate update the profile by re-running with `--profile NAME --save`.
- Deleting a profile: edit the JSON file and remove the entry (TUI does not yet have an in-app delete command).
- Profiles are client-side convenience only; they do not affect the agent.
- Intervals: `metrics_interval_ms` controls the fast metrics poll (default 500 ms). `processes_interval_ms` controls process list polling (default 2000 ms). Values below 100 ms (metrics) or 200 ms (processes) are clamped.
---
## Updating
Update the agent (systemd):
```bash
# on the server running the agent
cargo install socktop_agent --force
sudo systemctl stop socktop-agent
sudo install -o root -g root -m 0755 "$HOME/.cargo/bin/socktop_agent" /usr/local/bin/socktop_agent
# if you changed the unit file:
# sudo install -o root -g root -m 0644 docs/socktop-agent.service /etc/systemd/system/socktop-agent.service
# sudo systemctl daemon-reload
sudo systemctl start socktop-agent
sudo systemctl status socktop-agent --no-pager
# logs:
# journalctl -u socktop-agent -f
```
Update the TUI (client):
```bash
cargo install socktop --force
socktop ws://HOST:3000/ws
```
Tip: If only the binary changed, restart is enough. If the unit file changed, run sudo systemctl daemon-reload.
---
## Configuration (agent)
- Port:
- Flag: --port 8080 or -p 8080
- Positional: socktop_agent 8080
- Env: SOCKTOP_PORT=8080
- TLS (selfsigned):
- Enable: --enableSSL
- Default TLS port: 8443 (override with --port/-p)
- Certificate/Key location (created on first TLS run):
- Linux (XDG): $XDG_CONFIG_HOME/socktop_agent/tls/{cert.pem,key.pem} (defaults to ~/.config)
- The agent prints these paths on creation.
- You can set XDG_CONFIG_HOME before first run to control where certs are written.
- Auth token (optional): SOCKTOP_TOKEN=changeme
- Disable GPU metrics: SOCKTOP_AGENT_GPU=0
- Disable CPU temperature: SOCKTOP_AGENT_TEMP=0
---
## Keyboard & Mouse
- Quit: q or Esc
- Processes pane:
- Click “CPU %” to sort by CPU descending
- Click “Mem” to sort by memory descending
- Mouse wheel: scroll
- Drag scrollbar: scroll
- Arrow/PageUp/PageDown/Home/End: scroll
---
## Example agent JSON
```json
{
"cpu_total": 12.4,
"cpu_per_core": [11.2, 15.7],
"mem_total": 33554432,
"mem_used": 18321408,
"swap_total": 0,
"swap_used": 0,
"process_count": 127,
"hostname": "myserver",
"cpu_temp_c": 42.5,
"disks": [{"name":"nvme0n1p2","total":512000000000,"available":320000000000}],
"networks": [{"name":"eth0","received":12345678,"transmitted":87654321}],
"top_processes": [
{"pid":1234,"name":"nginx","cpu_usage":1.2,"mem_bytes":12345678}
],
"gpus": null
}
```
Notes:
- process_count is merged into the main metrics on the client when processes are polled.
- top_processes are the current top 50 (sorting in the TUI is client-side).
---
## Security
Set a token on the agent and pass it as a query param from the client:
Server:
```bash
SOCKTOP_TOKEN=changeme socktop_agent --port 3000
```
Client:
```bash
socktop "ws://HOST:3000/ws?token=changeme"
```
### TLS / WSS
For encrypted connections, enable TLS on the agent and pin the server certificate on the client.
Server (generates selfsigned cert and key on first run):
```bash
socktop_agent --enableSSL --port 8443
```
Client (trust/pin the server cert; copy cert.pem from the agent):
```bash
socktop --tls-ca /path/to/agent/cert.pem wss://HOST:8443/ws
```
Notes:
- Do not copy the private key off the server; only the cert.pem is needed by clients.
- When --tls-ca/-t is supplied, the client autoupgrades ws:// to wss:// to avoid protocol mismatch.
- You can run multiple clients with different cert paths by passing --tls-ca per invocation.
---
## Using tmux to monitor multiple hosts
You can use tmux to show multiple socktop instances in a single terminal.
![socktop screenshot](./docs/tmux_4_rpis_v3.jpg)
monitoring 4 Raspberry Pis using Tmux
Prerequisites:
- Install tmux (Ubuntu/Debian: `sudo apt-get install tmux`)
Key bindings (defaults):
- Split left/right: Ctrl-b %
- Split top/bottom: Ctrl-b "
- Move between panes: Ctrl-b + Arrow keys
- Show pane numbers: Ctrl-b q
- Close a pane: Ctrl-b x
- Detach from session: Ctrl-b d
Two panes (left/right)
- This creates a session named "socktop", splits it horizontally, and starts two socktops.
```bash
tmux new-session -d -s socktop 'socktop ws://HOST1:3000/ws' \; \
split-window -h 'socktop ws://HOST2:3000/ws' \; \
select-layout even-horizontal \; \
attach
```
Four panes (top-left, top-right, bottom-left, bottom-right)
- This creates a 2x2 grid with one socktop per pane.
```bash
tmux new-session -d -s socktop 'socktop ws://HOST1:3000/ws' \; \
split-window -h 'socktop ws://HOST2:3000/ws' \; \
select-pane -t 0 \; split-window -v 'socktop ws://HOST3:3000/ws' \; \
select-pane -t 1 \; split-window -v 'socktop ws://HOST4:3000/ws' \; \
select-layout tiled \; \
attach
```
Tips:
- Replace HOST1..HOST4 (and ports) with your targets.
- Reattach later: `tmux attach -t socktop`
---
## Platform notes
- Linux: fully supported (agent and client).
- Raspberry Pi:
- 64-bit: aarch64-unknown-linux-gnu
- 32-bit: armv7-unknown-linux-gnueabihf
- Windows:
- TUI + agent can build with stable Rust; bring your own MSVC. Youre on Windows; you know the drill.
- CPU temperature may be unavailable.
- binary exe for both available in build artifacts under actions.
- macOS:
- TUI works; agent is primarily targeted at Linux. Agent will run just fine on macos for debugging but I have not documented how to run as a service, I may not given the "security" feautures with applications on macos. We will see.
---
## Development
```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
```
---
## Roadmap
- [x] Agent authentication (token)
- [x] Hide per-thread entries; only show processes
- [x] Sort top processes in the TUI
- [ ] Configurable refresh intervals (client)
- [ ] Export metrics to file
- [x] TLS / WSS support (selfsigned server cert + client pinning)
- [x] Split processes/disks to separate WS calls with independent cadences (already logical on client; formalize API)
---
## License
MIT — see LICENSE.
---
## Acknowledgements
- 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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Description: socktop APT repository
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+40
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@@ -0,0 +1,40 @@
Package: socktop
Version: 1.50.0-1
Architecture: amd64
Maintainer: Jason Witty <jasonpwitty+socktop@proton.me>
Installed-Size: 3447
Depends: libc6 (>= 2.39)
Filename: pool/main/socktop_1.50.0-1_amd64.deb
Size: 1277472
MD5sum: 8af32694d8ea66feb97bc9896dd1034f
SHA1: acf596897449d1ec3a3eaee7c7fe25e716d91a8c
SHA256: 59ade1d2cc919fa672c2b8b50a05905defc1a220776949b78743d054eaa07994
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: amd64
Maintainer: Jason Witty <jasonpwitty+socktop@proton.me>
Installed-Size: 6726
Depends: libc6 (>= 2.39), libdrm-amdgpu1 (>= 2.4.80)
Filename: pool/main/socktop-agent_1.50.2-1_amd64.deb
Size: 1869464
MD5sum: b708dbc7330e8c8f2d2d6812f978f3c9
SHA1: 2fce3376934586a630031f9a6dc4ed196c37200e
SHA256: 4a1d7e9794048b6dc0a74a428d1536903c9c3e3ed8b52d53539f1ecb4ebc3967
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.
Binary file not shown.
+5
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@@ -0,0 +1,5 @@
Archive: stable
Component: main
Origin: socktop
Label: socktop
Architecture: amd64
+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.
Binary file not shown.
+40
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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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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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[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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<!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>
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font-size: 1.5em;
}
}
</style>
</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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</body>
</html>
-8
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socktop_agent: TLS enabled. Listening on wss://0.0.0.0:8433/ws
socktop_agent: TLS enabled. Listening on wss://0.0.0.0:8433/ws
socktop_agent: TLS enabled. Listening on wss://0.0.0.0:8433/ws
Error: Address already in use (os error 98)
socktop_agent: TLS enabled. Listening on wss://0.0.0.0:8433/ws
Error: Address already in use (os error 98)
socktop_agent: TLS enabled. Listening on wss://0.0.0.0:8443/ws
socktop_agent: TLS enabled. Listening on wss://0.0.0.0:8443/ws
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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
}
-3
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@@ -1,3 +0,0 @@
[toolchain]
channel = "stable"
components = ["clippy", "rustfmt"]
-34
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@@ -1,34 +0,0 @@
[package]
name = "socktop"
version = "0.1.11"
authors = ["Jason Witty <jasonpwitty+socktop@proton.me>"]
description = "Remote system monitor over WebSocket, TUI like top"
edition = "2021"
license = "MIT"
[dependencies]
tokio = { workspace = true }
tokio-tungstenite = { workspace = true }
futures = { workspace = true }
futures-util = { workspace = true }
serde = { workspace = true }
serde_json = { workspace = true }
url = { workspace = true }
ratatui = { workspace = true }
crossterm = { workspace = true }
chrono = { workspace = true }
anyhow = { workspace = true }
flate2 = { version = "1", default-features = false, features = ["rust_backend"] }
dirs-next = { workspace = true }
rustls = "0.23"
rustls-pemfile = "2.1"
prost = { workspace = true }
bytes = { workspace = true }
[dev-dependencies]
assert_cmd = "2.0"
tempfile = "3"
[build-dependencies]
prost-build = "0.13"
protoc-bin-vendored = "3"
-8
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@@ -1,8 +0,0 @@
fn main() {
let protoc = protoc_bin_vendored::protoc_bin_path().expect("protoc");
std::env::set_var("PROTOC", protoc);
let mut cfg = prost_build::Config::new();
cfg.out_dir(std::env::var("OUT_DIR").unwrap());
cfg.compile_protos(&["../proto/processes.proto"], &["../proto"])
.expect("compile protos");
}
-511
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@@ -1,511 +0,0 @@
//! App state and main loop: input handling, fetching metrics, updating history, and drawing.
use std::{
collections::VecDeque,
io,
time::{Duration, Instant},
};
use crossterm::{
event::{self, DisableMouseCapture, EnableMouseCapture, Event, KeyCode},
execute,
terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
};
use ratatui::{
backend::CrosstermBackend,
layout::{Constraint, Direction, Rect},
//style::Color, // + add Color
Terminal,
};
use tokio::time::sleep;
use crate::history::{push_capped, PerCoreHistory};
use crate::types::Metrics;
use crate::ui::cpu::{
draw_cpu_avg_graph, draw_per_core_bars, per_core_clamp, per_core_content_area,
per_core_handle_key, per_core_handle_mouse, per_core_handle_scrollbar_mouse, PerCoreScrollDrag,
};
use crate::ui::processes::{processes_handle_key, processes_handle_mouse, ProcSortBy};
use crate::ui::{
disks::draw_disks, gpu::draw_gpu, header::draw_header, mem::draw_mem, net::draw_net_spark,
swap::draw_swap,
};
use crate::ws::{connect, request_disks, request_metrics, request_processes};
pub struct App {
// Latest metrics + histories
last_metrics: Option<Metrics>,
// CPU avg history (0..100)
cpu_hist: VecDeque<u64>,
// Per-core history (0..100)
per_core_hist: PerCoreHistory,
// Network totals snapshot + histories of KB/s
last_net_totals: Option<(u64, u64, Instant)>,
rx_hist: VecDeque<u64>,
tx_hist: VecDeque<u64>,
rx_peak: u64,
tx_peak: u64,
// Quit flag
should_quit: bool,
pub per_core_scroll: usize,
pub per_core_drag: Option<PerCoreScrollDrag>, // new: drag state
pub procs_scroll_offset: usize,
pub procs_drag: Option<PerCoreScrollDrag>,
pub procs_sort_by: ProcSortBy,
last_procs_area: Option<ratatui::layout::Rect>,
last_procs_poll: Instant,
last_disks_poll: Instant,
procs_interval: Duration,
disks_interval: Duration,
metrics_interval: Duration,
// For reconnects
ws_url: String,
// Security / status flags
pub is_tls: bool,
pub has_token: bool,
}
impl App {
pub fn new() -> Self {
Self {
last_metrics: None,
cpu_hist: VecDeque::with_capacity(600),
per_core_hist: PerCoreHistory::new(60),
last_net_totals: None,
rx_hist: VecDeque::with_capacity(600),
tx_hist: VecDeque::with_capacity(600),
rx_peak: 0,
tx_peak: 0,
should_quit: false,
per_core_scroll: 0,
per_core_drag: None,
procs_scroll_offset: 0,
procs_drag: None,
procs_sort_by: ProcSortBy::CpuDesc,
last_procs_area: None,
last_procs_poll: Instant::now()
.checked_sub(Duration::from_secs(2))
.unwrap_or_else(Instant::now), // trigger immediately on first loop
last_disks_poll: Instant::now()
.checked_sub(Duration::from_secs(5))
.unwrap_or_else(Instant::now),
procs_interval: Duration::from_secs(2),
disks_interval: Duration::from_secs(5),
metrics_interval: Duration::from_millis(500),
ws_url: String::new(),
is_tls: false,
has_token: false,
}
}
pub fn with_intervals(mut self, metrics_ms: Option<u64>, procs_ms: Option<u64>) -> Self {
if let Some(m) = metrics_ms {
self.metrics_interval = Duration::from_millis(m.max(100));
}
if let Some(p) = procs_ms {
self.procs_interval = Duration::from_millis(p.max(200));
}
self
}
pub fn with_status(mut self, is_tls: bool, has_token: bool) -> Self {
self.is_tls = is_tls;
self.has_token = has_token;
self
}
pub async fn run(
&mut self,
url: &str,
tls_ca: Option<&str>,
) -> Result<(), Box<dyn std::error::Error>> {
// Connect to agent
//let mut ws = connect(url, tls_ca).await?;
self.ws_url = url.to_string();
let mut ws = connect(url, tls_ca).await?;
// Terminal setup
enable_raw_mode()?;
let mut stdout = io::stdout();
execute!(stdout, EnterAlternateScreen, EnableMouseCapture)?;
let backend = CrosstermBackend::new(stdout);
let mut terminal = Terminal::new(backend)?;
terminal.clear()?;
// Main loop
let res = self.event_loop(&mut terminal, &mut ws).await;
// Teardown
disable_raw_mode()?;
let backend = terminal.backend_mut();
execute!(backend, DisableMouseCapture, LeaveAlternateScreen)?;
terminal.show_cursor()?;
res
}
async fn event_loop<B: ratatui::backend::Backend>(
&mut self,
terminal: &mut Terminal<B>,
ws: &mut crate::ws::WsStream,
) -> Result<(), Box<dyn std::error::Error>> {
loop {
// Input (non-blocking)
while event::poll(Duration::from_millis(10))? {
match event::read()? {
Event::Key(k) => {
if matches!(
k.code,
KeyCode::Char('q') | KeyCode::Char('Q') | KeyCode::Esc
) {
self.should_quit = true;
}
// Per-core scroll via keys (Up/Down/PageUp/PageDown/Home/End)
let sz = terminal.size()?;
let area = Rect::new(0, 0, sz.width, sz.height);
let rows = ratatui::layout::Layout::default()
.direction(Direction::Vertical)
.constraints([
Constraint::Length(1),
Constraint::Ratio(1, 3),
Constraint::Length(3),
Constraint::Length(3),
Constraint::Min(10),
])
.split(area);
let top = ratatui::layout::Layout::default()
.direction(Direction::Horizontal)
.constraints([Constraint::Percentage(66), Constraint::Percentage(34)])
.split(rows[1]);
let content = per_core_content_area(top[1]);
per_core_handle_key(&mut self.per_core_scroll, k, content.height as usize);
let total_rows = self
.last_metrics
.as_ref()
.map(|mm| mm.cpu_per_core.len())
.unwrap_or(0);
per_core_clamp(
&mut self.per_core_scroll,
total_rows,
content.height as usize,
);
if let Some(p_area) = self.last_procs_area {
// page size = visible rows (inner height minus header = 1)
let page = p_area.height.saturating_sub(3).max(1) as usize; // borders (2) + header (1)
processes_handle_key(&mut self.procs_scroll_offset, k, page);
}
}
Event::Mouse(m) => {
// Layout to get areas
let sz = terminal.size()?;
let area = Rect::new(0, 0, sz.width, sz.height);
let rows = ratatui::layout::Layout::default()
.direction(Direction::Vertical)
.constraints([
Constraint::Length(1),
Constraint::Ratio(1, 3),
Constraint::Length(3),
Constraint::Length(3),
Constraint::Min(10),
])
.split(area);
let top = ratatui::layout::Layout::default()
.direction(Direction::Horizontal)
.constraints([Constraint::Percentage(66), Constraint::Percentage(34)])
.split(rows[1]);
// Content wheel scrolling
let content = per_core_content_area(top[1]);
per_core_handle_mouse(
&mut self.per_core_scroll,
m,
content,
content.height as usize,
);
// Scrollbar clicks/drag
let total_rows = self
.last_metrics
.as_ref()
.map(|mm| mm.cpu_per_core.len())
.unwrap_or(0);
per_core_handle_scrollbar_mouse(
&mut self.per_core_scroll,
&mut self.per_core_drag,
m,
top[1],
total_rows,
);
// Clamp to bounds
per_core_clamp(
&mut self.per_core_scroll,
total_rows,
content.height as usize,
);
// Processes table: sort by column on header click
if let (Some(mm), Some(p_area)) =
(self.last_metrics.as_ref(), self.last_procs_area)
{
if let Some(new_sort) = processes_handle_mouse(
&mut self.procs_scroll_offset,
&mut self.procs_drag,
m,
p_area,
mm.top_processes.len(),
) {
self.procs_sort_by = new_sort;
}
}
}
Event::Resize(_, _) => {}
_ => {}
}
}
if self.should_quit {
break;
}
// Fetch and update
if let Some(m) = request_metrics(ws).await {
self.update_with_metrics(m);
// Only poll processes every 2s
if self.last_procs_poll.elapsed() >= self.procs_interval {
if let Some(procs) = request_processes(ws).await {
if let Some(mm) = self.last_metrics.as_mut() {
mm.top_processes = procs.top_processes;
mm.process_count = Some(procs.process_count);
}
}
self.last_procs_poll = Instant::now();
}
// Only poll disks every 5s
if self.last_disks_poll.elapsed() >= self.disks_interval {
if let Some(disks) = request_disks(ws).await {
if let Some(mm) = self.last_metrics.as_mut() {
mm.disks = disks;
}
}
self.last_disks_poll = Instant::now();
}
}
// Draw
terminal.draw(|f| self.draw(f))?;
// Tick rate
sleep(self.metrics_interval).await;
}
Ok(())
}
fn update_with_metrics(&mut self, mut m: Metrics) {
if let Some(prev) = &self.last_metrics {
// Preserve slower fields when the fast payload omits them
if m.disks.is_empty() {
m.disks = prev.disks.clone();
}
if m.top_processes.is_empty() {
m.top_processes = prev.top_processes.clone();
}
// Preserve total processes count across fast updates
if m.process_count.is_none() {
m.process_count = prev.process_count;
}
}
// CPU avg history
let v = m.cpu_total.clamp(0.0, 100.0).round() as u64;
push_capped(&mut self.cpu_hist, v, 600);
// Per-core history (push current samples)
self.per_core_hist.ensure_cores(m.cpu_per_core.len());
self.per_core_hist.push_samples(&m.cpu_per_core);
// NET: sum across all ifaces, compute KB/s via elapsed time
let now = Instant::now();
let rx_total = m.networks.iter().map(|n| n.received).sum::<u64>();
let tx_total = m.networks.iter().map(|n| n.transmitted).sum::<u64>();
let (rx_kb, tx_kb) = if let Some((prx, ptx, pts)) = self.last_net_totals {
let dt = now.duration_since(pts).as_secs_f64().max(1e-6);
let rx = ((rx_total.saturating_sub(prx)) as f64 / dt / 1024.0).round() as u64;
let tx = ((tx_total.saturating_sub(ptx)) as f64 / dt / 1024.0).round() as u64;
(rx, tx)
} else {
(0, 0)
};
self.last_net_totals = Some((rx_total, tx_total, now));
push_capped(&mut self.rx_hist, rx_kb, 600);
push_capped(&mut self.tx_hist, tx_kb, 600);
self.rx_peak = self.rx_peak.max(rx_kb);
self.tx_peak = self.tx_peak.max(tx_kb);
// Store merged snapshot
self.last_metrics = Some(m);
}
pub fn draw(&mut self, f: &mut ratatui::Frame<'_>) {
let area = f.area();
// Root rows: header, top (cpu avg + per-core), memory, swap, bottom
let rows = ratatui::layout::Layout::default()
.direction(Direction::Vertical)
.constraints([
Constraint::Length(1), // header
Constraint::Ratio(1, 3), // top row
Constraint::Length(3), // memory (left) + GPU (right, part 1)
Constraint::Length(3), // swap (left) + GPU (right, part 2)
Constraint::Min(10), // bottom: disks + net (left), top procs (right)
])
.split(area);
// Header
draw_header(
f,
rows[0],
self.last_metrics.as_ref(),
self.is_tls,
self.has_token,
self.metrics_interval,
self.procs_interval,
);
// Top row: left CPU avg, right Per-core (full top-right)
let top_lr = ratatui::layout::Layout::default()
.direction(Direction::Horizontal)
.constraints([Constraint::Percentage(66), Constraint::Percentage(34)])
.split(rows[1]);
draw_cpu_avg_graph(f, top_lr[0], &self.cpu_hist, self.last_metrics.as_ref());
draw_per_core_bars(
f,
top_lr[1],
self.last_metrics.as_ref(),
&self.per_core_hist,
self.per_core_scroll,
);
// Memory + Swap rows split into left/right columns
let mem_lr = ratatui::layout::Layout::default()
.direction(Direction::Horizontal)
.constraints([Constraint::Percentage(66), Constraint::Percentage(34)])
.split(rows[2]);
let swap_lr = ratatui::layout::Layout::default()
.direction(Direction::Horizontal)
.constraints([Constraint::Percentage(66), Constraint::Percentage(34)])
.split(rows[3]);
// Left: Memory + Swap
draw_mem(f, mem_lr[0], self.last_metrics.as_ref());
draw_swap(f, swap_lr[0], self.last_metrics.as_ref());
// Right: GPU spans the same vertical space as Memory + Swap
let gpu_area = ratatui::layout::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,
};
draw_gpu(f, gpu_area, self.last_metrics.as_ref());
// Bottom area: left = Disks + Network, right = Top Processes
let bottom_lr = ratatui::layout::Layout::default()
.direction(Direction::Horizontal)
.constraints([Constraint::Percentage(60), Constraint::Percentage(40)])
.split(rows[4]);
// Left bottom: Disks + Net stacked (make net panes slightly taller)
let left_stack = ratatui::layout::Layout::default()
.direction(Direction::Vertical)
.constraints([
Constraint::Min(4), // Disks shrink slightly
Constraint::Length(5), // Download taller
Constraint::Length(5), // Upload taller
])
.split(bottom_lr[0]);
draw_disks(f, left_stack[0], self.last_metrics.as_ref());
draw_net_spark(
f,
left_stack[1],
&format!(
"Download (KB/s) — now: {} | peak: {}",
self.rx_hist.back().copied().unwrap_or(0),
self.rx_peak
),
&self.rx_hist,
ratatui::style::Color::Green,
);
draw_net_spark(
f,
left_stack[2],
&format!(
"Upload (KB/s) — now: {} | peak: {}",
self.tx_hist.back().copied().unwrap_or(0),
self.tx_peak
),
&self.tx_hist,
ratatui::style::Color::Blue,
);
// Right bottom: Top Processes fills the column
let procs_area = bottom_lr[1];
// Cache for input handlers
self.last_procs_area = Some(procs_area);
crate::ui::processes::draw_top_processes(
f,
procs_area,
self.last_metrics.as_ref(),
self.procs_scroll_offset,
self.procs_sort_by,
);
}
}
impl Default for App {
fn default() -> Self {
Self {
last_metrics: None,
cpu_hist: VecDeque::with_capacity(600),
per_core_hist: PerCoreHistory::new(60),
last_net_totals: None,
rx_hist: VecDeque::with_capacity(600),
tx_hist: VecDeque::with_capacity(600),
rx_peak: 0,
tx_peak: 0,
should_quit: false,
per_core_scroll: 0,
per_core_drag: None,
procs_scroll_offset: 0,
procs_drag: None,
procs_sort_by: ProcSortBy::CpuDesc,
last_procs_area: None,
last_procs_poll: Instant::now()
.checked_sub(Duration::from_secs(2))
.unwrap_or_else(Instant::now), // trigger immediately on first loop
last_disks_poll: Instant::now()
.checked_sub(Duration::from_secs(5))
.unwrap_or_else(Instant::now),
procs_interval: Duration::from_secs(2),
disks_interval: Duration::from_secs(5),
metrics_interval: Duration::from_millis(500),
ws_url: String::new(),
is_tls: false,
has_token: false,
}
}
}
-42
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@@ -1,42 +0,0 @@
//! Small utilities to manage bounded history buffers for charts.
use std::collections::VecDeque;
pub fn push_capped<T>(dq: &mut VecDeque<T>, v: T, cap: usize) {
if dq.len() == cap {
dq.pop_front();
}
dq.push_back(v);
}
// Keeps a history deque per core with a fixed capacity
pub struct PerCoreHistory {
pub deques: Vec<VecDeque<u16>>,
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 u16;
push_capped(&mut self.deques[i], val, self.cap);
}
}
}
-4
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@@ -1,4 +0,0 @@
//! Library surface for integration tests and reuse.
pub mod types;
pub mod ws;
-392
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@@ -1,392 +0,0 @@
//! Entry point for the socktop TUI. Parses args and runs the App.
mod app;
mod history;
mod profiles;
mod types;
mod ui;
mod ws;
use app::App;
use profiles::{load_profiles, save_profiles, ProfileEntry, ProfileRequest, ResolveProfile};
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>,
}
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;
while let Some(arg) = it.next() {
match arg.as_str() {
"-h" | "--help" => {
return Err(format!("Usage: {prog} [--tls-ca CERT_PEM|-t CERT_PEM] [--profile NAME|-P NAME] [--save] [--demo] [--metrics-interval-ms N] [--processes-interval-ms N] [ws://HOST:PORT/ws]\n"));
}
"--tls-ca" | "-t" => {
tls_ca = it.next();
}
"--profile" | "-P" => {
profile = it.next();
}
"--save" => {
save = true;
}
"--demo" => {
demo = 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('=') {
if !v.is_empty() {
tls_ca = Some(v.to_string());
}
}
}
_ if arg.starts_with("--profile=") => {
if let Some((_, v)) = arg.split_once('=') {
if !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] [--profile NAME|-P NAME] [--save] [--demo] [ws://HOST:PORT/ws]"));
}
}
}
}
Ok(ParsedArgs {
url,
tls_ca,
profile,
save,
demo,
dry_run,
metrics_interval_ms,
processes_interval_ms,
})
}
#[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(());
}
};
if parsed.demo || matches!(parsed.profile.as_deref(), Some("demo")) {
return run_demo_mode(parsed.tls_ca.as_deref()).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| 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 idx >= 1 && idx <= names.len() {
let name = &names[idx - 1];
if name == "demo" {
return run_demo_mode(parsed.tls_ca.as_deref()).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.");
return Ok(());
}
};
let is_tls = url.starts_with("wss://");
let has_token = url.contains("token=");
let mut app = App::new()
.with_intervals(metrics_interval_ms, processes_interval_ms)
.with_status(is_tls, has_token);
if parsed.dry_run {
return Ok(());
}
app.run(&url, tls_ca.as_deref()).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>) -> Result<(), Box<dyn std::error::Error>> {
let port = 3231;
let url = format!("ws://127.0.0.1:{port}/ws");
let child = spawn_demo_agent(port)?;
let mut app = App::new();
tokio::select! { res=app.run(&url,None)=>{ 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);
}
}
fn spawn_demo_agent(port: u16) -> Result<DemoGuard, Box<dyn std::error::Error>> {
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()?;
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() {
if 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")
}
-102
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@@ -1,102 +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 name = self.profile_name.unwrap();
if let Some(entry) = pf.profiles.get(&name) {
return ResolveProfile::Loaded(entry.url.clone(), entry.tls_ca.clone());
} else {
return ResolveProfile::PromptCreate(name);
}
}
// 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
}
}
}
-78
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@@ -1,78 +0,0 @@
//! Types that mirror the agent's JSON schema.
use serde::Deserialize;
#[derive(Debug, Clone, Deserialize)]
pub struct ProcessInfo {
pub pid: u32,
pub name: String,
pub cpu_usage: f32,
pub mem_bytes: u64,
}
#[derive(Debug, Clone, Deserialize)]
pub struct DiskInfo {
pub name: String,
pub total: u64,
pub available: u64,
}
#[derive(Debug, Clone, Deserialize)]
pub struct NetworkInfo {
#[allow(dead_code)]
pub name: String,
pub received: u64,
pub transmitted: u64,
}
#[derive(Debug, Clone, Deserialize)]
pub struct GpuInfo {
pub name: Option<String>,
#[allow(dead_code)]
pub vendor: Option<String>,
// Accept both the new and legacy keys
#[serde(
default,
alias = "utilization_gpu_pct",
alias = "gpu_util_pct",
alias = "gpu_utilization"
)]
pub utilization: Option<f32>,
#[serde(default, alias = "mem_used_bytes", alias = "vram_used_bytes")]
pub mem_used: Option<u64>,
#[serde(default, alias = "mem_total_bytes", alias = "vram_total_bytes")]
pub mem_total: Option<u64>,
#[allow(dead_code)]
#[serde(default, alias = "temp_c", alias = "temperature_c")]
pub temperature: Option<f32>,
}
#[derive(Debug, Clone, Deserialize)]
pub struct Metrics {
pub cpu_total: f32,
pub cpu_per_core: Vec<f32>,
pub mem_total: u64,
pub mem_used: u64,
pub swap_total: u64,
pub swap_used: u64,
pub hostname: String,
pub cpu_temp_c: Option<f32>,
pub disks: Vec<DiskInfo>,
pub networks: Vec<NetworkInfo>,
pub top_processes: Vec<ProcessInfo>,
pub gpus: Option<Vec<GpuInfo>>,
// New: keep the last reported total process count
#[serde(default)]
pub process_count: Option<usize>,
}
#[allow(dead_code)]
#[derive(Debug, Clone, Deserialize)]
pub struct ProcessesPayload {
pub process_count: usize,
pub top_processes: Vec<ProcessInfo>,
}
-393
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@@ -1,393 +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, Sparkline},
};
use crate::history::PerCoreHistory;
use crate::types::Metrics;
/// 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::Up => *scroll_offset = scroll_offset.saturating_sub(1),
KeyCode::Down => *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 {
if max_off == 0 {
0
} else {
((track - thumb_len) * off + max_off / 2) / max_off
}
};
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() {
if 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 = if max_off == 0 {
0
} else {
(new_top * max_off + denom / 2) / denom
};
} 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.
pub fn draw_cpu_avg_graph(
f: &mut ratatui::Frame<'_>,
area: Rect,
hist: &std::collections::VecDeque<u64>,
m: Option<&Metrics>,
) {
let title = if let Some(mm) = m {
format!("CPU avg (now: {:>5.1}%)", mm.cpu_total)
} else {
"CPU avg".into()
};
let max_points = area.width.saturating_sub(2) as usize;
let start = hist.len().saturating_sub(max_points);
let data: Vec<u64> = hist.iter().skip(start).cloned().collect();
let spark = Sparkline::default()
.block(Block::default().borders(Borders::ALL).title(title))
.data(&data)
.max(100)
.style(Style::default().fg(Color::Cyan));
f.render_widget(spark, area);
}
/// 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: &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(12)])
.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);
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,
};
let hist: Vec<u64> = per_core_hist
.deques
.get(idx)
.map(|d| {
let max_points = hchunks[0].width as usize;
let start = d.len().saturating_sub(max_points);
d.iter().skip(start).map(|&v| v as u64).collect()
})
.unwrap_or_default();
let spark = Sparkline::default()
.data(&hist)
.max(100)
.style(Style::default().fg(fg));
f.render_widget(spark, hchunks[0]);
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]);
}
// Custom 1-col scrollbar with arrows, track, and exact mapping
let scroll_area = Rect {
x: inner.x + inner.width.saturating_sub(1),
y: inner.y,
width: 1,
height: inner.height,
};
if scroll_area.height >= 3 {
let track = (scroll_area.height - 2) as usize;
let total = total_rows.max(1);
let view = viewport_rows.clamp(1, total);
let max_off = total.saturating_sub(view);
let thumb_len = (track * view).div_ceil(total).max(1).min(track);
let thumb_top = if max_off == 0 {
0
} else {
((track - thumb_len) * offset + max_off / 2) / max_off
};
// Build lines: top arrow, track (with thumb), bottom arrow
let mut lines: Vec<Line> = Vec::with_capacity(scroll_area.height as usize);
lines.push(Line::from(Span::styled("", Style::default().fg(SB_ARROW))));
for i in 0..track {
if i >= thumb_top && i < thumb_top + thumb_len {
lines.push(Line::from(Span::styled("", Style::default().fg(SB_THUMB))));
} else {
lines.push(Line::from(Span::styled("", Style::default().fg(SB_TRACK))));
}
}
lines.push(Line::from(Span::styled("", Style::default().fg(SB_ARROW))));
f.render_widget(Paragraph::new(lines), scroll_area);
}
}
-91
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@@ -1,91 +0,0 @@
//! Disk cards with per-device gauge and title line.
use crate::types::Metrics;
use crate::ui::util::{disk_icon, human, truncate_middle};
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;
}
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
};
let title = format!(
"{} {} {} / {} ({}%)",
disk_icon(&d.name),
truncate_middle(&d.name, (slot.width.saturating_sub(6)) as usize / 2),
human(used),
human(d.total),
pct
);
let card = Block::default().borders(Borders::ALL).title(title);
f.render_widget(card, *slot);
let inner_card = Rect {
x: slot.x + 1,
y: slot.y + 1,
width: slot.width.saturating_sub(2),
height: slot.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);
}
}
-123
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@@ -1,123 +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],
);
}
}
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@@ -1,52 +0,0 @@
//! Top header with hostname and CPU temperature indicator.
use crate::types::Metrics;
use ratatui::{
layout::Rect,
widgets::{Block, Borders},
};
use std::time::Duration;
pub fn draw_header(
f: &mut ratatui::Frame<'_>,
area: Rect,
m: Option<&Metrics>,
is_tls: bool,
has_token: bool,
metrics_interval: Duration,
procs_interval: Duration,
) {
let base = if let Some(mm) = m {
let temp = mm
.cpu_temp_c
.map(|t| {
let icon = if t < 50.0 {
"😎"
} else if t < 85.0 {
"⚠️"
} else {
"🔥"
};
format!("CPU Temp: {t:.1}°C {icon}")
})
.unwrap_or_else(|| "CPU Temp: N/A".into());
format!("socktop — host: {} | {}", mm.hostname, temp)
} else {
"socktop — connecting...".into()
};
// TLS indicator: lock vs lock with cross (using ✗). Keep explicit label for clarity.
let tls_txt = if is_tls { "🔒 TLS" } else { "🔒✗ TLS" };
// Token indicator
let tok_txt = if has_token { "🔑 token" } else { "" };
let mi = metrics_interval.as_millis();
let pi = procs_interval.as_millis();
let intervals = format!("{mi}ms metrics | {pi}ms procs");
let mut parts = vec![base, tls_txt.into()];
if !tok_txt.is_empty() {
parts.push(tok_txt.into());
}
parts.push(intervals);
parts.push("(q to quit)".into());
let title = parts.join(" | ");
f.render_widget(Block::default().title(title).borders(Borders::BOTTOM), area);
}
-29
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@@ -1,29 +0,0 @@
//! 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 gpu;
pub mod header;
pub mod mem;
pub mod net;
pub mod processes;
pub mod swap;
pub mod theme;
pub mod util;
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//! Network sparklines (download/upload).
use ratatui::{
layout::Rect,
style::{Color, Style},
widgets::{Block, Borders, Sparkline},
};
use std::collections::VecDeque;
pub fn draw_net_spark(
f: &mut ratatui::Frame<'_>,
area: Rect,
title: &str,
hist: &VecDeque<u64>,
color: Color,
) {
let max_points = area.width.saturating_sub(2) as usize;
let start = hist.len().saturating_sub(max_points);
let data: Vec<u64> = hist.iter().skip(start).cloned().collect();
let spark = Sparkline::default()
.block(
Block::default()
.borders(Borders::ALL)
.title(title.to_string()),
)
.data(&data)
.style(Style::default().fg(color));
f.render_widget(spark, area);
}
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//! Top processes table with per-cell coloring, zebra striping, sorting, and a scrollbar.
use crossterm::event::{MouseButton, MouseEvent, MouseEventKind};
use ratatui::style::Modifier;
use ratatui::{
layout::{Constraint, Direction, Layout, Rect},
style::{Color, Style},
text::{Line, Span},
widgets::{Block, Borders, Paragraph, Table},
};
use std::cmp::Ordering;
use crate::types::Metrics;
use crate::ui::cpu::{per_core_clamp, per_core_handle_scrollbar_mouse};
use crate::ui::theme::{SB_ARROW, SB_THUMB, SB_TRACK};
use crate::ui::util::human;
#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
pub enum ProcSortBy {
#[default]
CpuDesc,
MemDesc,
}
// Keep the original header widths here so drawing and hit-testing match.
const COLS: [Constraint; 5] = [
Constraint::Length(8), // PID
Constraint::Percentage(40), // Name
Constraint::Length(8), // CPU %
Constraint::Length(12), // Mem
Constraint::Length(8), // Mem %
];
pub fn draw_top_processes(
f: &mut ratatui::Frame<'_>,
area: Rect,
m: Option<&Metrics>,
scroll_offset: usize,
sort_by: ProcSortBy,
) {
// Draw outer block and title
let Some(mm) = m else { return };
let total = mm.process_count.unwrap_or(mm.top_processes.len());
let block = Block::default()
.borders(Borders::ALL)
.title(format!("Top Processes ({total} total)"));
f.render_widget(block, area);
// Inner area and content area (reserve 2 columns for scrollbar)
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 < 1 || inner.width < 3 {
return;
}
let content = Rect {
x: inner.x,
y: inner.y,
width: inner.width.saturating_sub(2),
height: inner.height,
};
// Sort rows (by CPU% or Mem bytes), descending.
let mut idxs: Vec<usize> = (0..mm.top_processes.len()).collect();
match sort_by {
ProcSortBy::CpuDesc => idxs.sort_by(|&a, &b| {
let aa = mm.top_processes[a].cpu_usage;
let bb = mm.top_processes[b].cpu_usage;
bb.partial_cmp(&aa).unwrap_or(Ordering::Equal)
}),
ProcSortBy::MemDesc => idxs.sort_by(|&a, &b| {
let aa = mm.top_processes[a].mem_bytes;
let bb = mm.top_processes[b].mem_bytes;
bb.cmp(&aa)
}),
}
// Scrolling
let total_rows = idxs.len();
let header_rows = 1usize;
let viewport_rows = content.height.saturating_sub(header_rows as u16) as usize;
let max_off = total_rows.saturating_sub(viewport_rows);
let offset = scroll_offset.min(max_off);
let show_n = total_rows.saturating_sub(offset).min(viewport_rows);
// Build visible rows
let total_mem_bytes = mm.mem_total.max(1);
let peak_cpu = mm
.top_processes
.iter()
.map(|p| p.cpu_usage)
.fold(0.0_f32, f32::max);
let rows_iter = idxs.iter().skip(offset).take(show_n).map(|&ix| {
let p = &mm.top_processes[ix];
let mem_pct = (p.mem_bytes as f64 / total_mem_bytes as f64) * 100.0;
let cpu_val = p.cpu_usage;
let cpu_fg = match cpu_val {
x if x < 25.0 => Color::Green,
x if x < 60.0 => Color::Yellow,
_ => Color::Red,
};
let mem_fg = match mem_pct {
x if x < 5.0 => Color::Blue,
x if x < 20.0 => Color::Magenta,
_ => Color::Red,
};
let emphasis = if (cpu_val - peak_cpu).abs() < f32::EPSILON {
Style::default().add_modifier(Modifier::BOLD)
} else {
Style::default()
};
let cpu_str = fmt_cpu_pct(cpu_val);
ratatui::widgets::Row::new(vec![
ratatui::widgets::Cell::from(p.pid.to_string())
.style(Style::default().fg(Color::DarkGray)),
ratatui::widgets::Cell::from(p.name.clone()),
ratatui::widgets::Cell::from(cpu_str).style(Style::default().fg(cpu_fg)),
ratatui::widgets::Cell::from(human(p.mem_bytes)),
ratatui::widgets::Cell::from(format!("{mem_pct:.2}%"))
.style(Style::default().fg(mem_fg)),
])
.style(emphasis)
});
// Header with sort indicator
let cpu_hdr = match sort_by {
ProcSortBy::CpuDesc => "CPU % •",
_ => "CPU %",
};
let mem_hdr = match sort_by {
ProcSortBy::MemDesc => "Mem •",
_ => "Mem",
};
let header = ratatui::widgets::Row::new(vec!["PID", "Name", cpu_hdr, mem_hdr, "Mem %"]).style(
Style::default()
.fg(Color::Cyan)
.add_modifier(Modifier::BOLD),
);
// Render table inside content area (no borders here; outer block already drawn)
let table = Table::new(rows_iter, COLS.to_vec())
.header(header)
.column_spacing(1);
f.render_widget(table, content);
// Draw scrollbar like CPU pane
let scroll_area = Rect {
x: inner.x + inner.width.saturating_sub(1),
y: inner.y,
width: 1,
height: inner.height,
};
if scroll_area.height >= 3 {
let track = (scroll_area.height - 2) as usize;
let total = total_rows.max(1);
let view = viewport_rows.clamp(1, total);
let max_off = total.saturating_sub(view);
let thumb_len = (track * view).div_ceil(total).max(1).min(track);
let thumb_top = if max_off == 0 {
0
} else {
((track - thumb_len) * offset + max_off / 2) / max_off
};
// Build lines: top arrow, track (with thumb), bottom arrow
let mut lines: Vec<Line> = Vec::with_capacity(scroll_area.height as usize);
lines.push(Line::from(Span::styled("", Style::default().fg(SB_ARROW))));
for i in 0..track {
if i >= thumb_top && i < thumb_top + thumb_len {
lines.push(Line::from(Span::styled("", Style::default().fg(SB_THUMB))));
} else {
lines.push(Line::from(Span::styled("", Style::default().fg(SB_TRACK))));
}
}
lines.push(Line::from(Span::styled("", Style::default().fg(SB_ARROW))));
f.render_widget(Paragraph::new(lines), scroll_area);
}
}
fn fmt_cpu_pct(v: f32) -> String {
format!("{:>5.1}", v.clamp(0.0, 100.0))
}
/// Handle keyboard scrolling (Up/Down/PageUp/PageDown/Home/End)
pub fn processes_handle_key(
scroll_offset: &mut usize,
key: crossterm::event::KeyEvent,
page_size: usize,
) {
crate::ui::cpu::per_core_handle_key(scroll_offset, key, page_size);
}
/// Handle mouse for content scrolling and scrollbar dragging.
/// Returns Some(new_sort) if the header "CPU %" or "Mem" was clicked.
pub fn processes_handle_mouse(
scroll_offset: &mut usize,
drag: &mut Option<crate::ui::cpu::PerCoreScrollDrag>,
mouse: MouseEvent,
area: Rect,
total_rows: usize,
) -> Option<ProcSortBy> {
// Inner and content areas (match draw_top_processes)
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 None;
}
let content = Rect {
x: inner.x,
y: inner.y,
width: inner.width.saturating_sub(2),
height: inner.height,
};
// Scrollbar interactions (click arrows/page/drag)
per_core_handle_scrollbar_mouse(scroll_offset, drag, mouse, area, total_rows);
// Wheel scrolling when inside the content
crate::ui::cpu::per_core_handle_mouse(scroll_offset, mouse, content, content.height as usize);
// Header click to change sort
let header_area = Rect {
x: content.x,
y: content.y,
width: content.width,
height: 1,
};
let inside_header = mouse.row == header_area.y
&& mouse.column >= header_area.x
&& mouse.column < header_area.x + header_area.width;
if inside_header && matches!(mouse.kind, MouseEventKind::Down(MouseButton::Left)) {
// Split header into the same columns
let cols = Layout::default()
.direction(Direction::Horizontal)
.constraints(COLS.to_vec())
.split(header_area);
if mouse.column >= cols[2].x && mouse.column < cols[2].x + cols[2].width {
return Some(ProcSortBy::CpuDesc);
}
if mouse.column >= cols[3].x && mouse.column < cols[3].x + cols[3].width {
return Some(ProcSortBy::MemDesc);
}
}
// Clamp to valid range
per_core_clamp(
scroll_offset,
total_rows,
(content.height.saturating_sub(1)) as usize,
);
None
}
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//! Swap gauge.
use crate::types::Metrics;
use crate::ui::util::human;
use ratatui::{
layout::Rect,
style::{Color, Style},
widgets::{Block, Borders, Gauge},
};
pub fn draw_swap(f: &mut ratatui::Frame<'_>, area: Rect, m: Option<&Metrics>) {
let (used, total, pct) = if let Some(mm) = m {
let pct = if mm.swap_total > 0 {
(mm.swap_used as f64 / mm.swap_total as f64 * 100.0) as u16
} else {
0
};
(mm.swap_used, mm.swap_total, pct)
} else {
(0, 0, 0)
};
let g = Gauge::default()
.block(Block::default().borders(Borders::ALL).title("Swap"))
.gauge_style(Style::default().fg(Color::Yellow))
.percent(pct)
.label(format!("{} / {}", human(used), human(total)));
f.render_widget(g, area);
}
-8
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@@ -1,8 +0,0 @@
//! Shared UI theme constants.
use ratatui::style::Color;
// Scrollbar colors (same look as before)
pub const SB_ARROW: Color = Color::Rgb(170, 170, 180);
pub const SB_TRACK: Color = Color::Rgb(170, 170, 180);
pub const SB_THUMB: Color = Color::Rgb(170, 170, 180);
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//! Small UI helpers: human-readable sizes, truncation, icons.
pub fn human(b: u64) -> String {
const K: f64 = 1024.0;
let b = b as f64;
if b < K {
return format!("{b:.0}B");
}
let kb = b / K;
if kb < K {
return format!("{kb:.1}KB");
}
let mb = kb / K;
if mb < K {
return format!("{mb:.1}MB");
}
let gb = mb / K;
if gb < K {
return format!("{gb:.1}GB");
}
let tb = gb / K;
format!("{tb:.2}TB")
}
pub fn truncate_middle(s: &str, max: usize) -> String {
if s.len() <= max {
return s.to_string();
}
if max <= 3 {
return "...".into();
}
let keep = max - 3;
let left = keep / 2;
let right = keep - left;
format!("{}...{}", &s[..left], &s[s.len() - right..])
}
pub fn disk_icon(name: &str) -> &'static str {
let n = name.to_ascii_lowercase();
if n.contains(':') {
"🗄️"
} else if n.contains("nvme") {
""
} else if n.starts_with("sd") {
"💽"
} else if n.contains("overlay") {
"📦"
} else {
"🖴"
}
}
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//! Minimal WebSocket client helpers for requesting metrics from the agent.
use flate2::bufread::GzDecoder;
use futures_util::{SinkExt, StreamExt};
use prost::Message as _;
use rustls::{ClientConfig, RootCertStore};
use rustls_pemfile::Item;
use std::io::Read;
use std::{fs::File, io::BufReader, sync::Arc};
use tokio::net::TcpStream;
use tokio_tungstenite::{
connect_async, connect_async_tls_with_config, tungstenite::client::IntoClientRequest,
tungstenite::Message, Connector, MaybeTlsStream, WebSocketStream,
};
use url::Url;
use crate::types::{DiskInfo, Metrics, ProcessInfo, ProcessesPayload};
mod pb {
// generated by build.rs
include!(concat!(env!("OUT_DIR"), "/socktop.rs"));
}
pub type WsStream = WebSocketStream<MaybeTlsStream<TcpStream>>;
// Connect to the agent and return the WS stream
pub async fn connect(
url: &str,
tls_ca: Option<&str>,
) -> Result<WsStream, Box<dyn std::error::Error>> {
let mut u = Url::parse(url)?;
if let Some(ca_path) = tls_ca {
if u.scheme() == "ws" {
let _ = u.set_scheme("wss");
}
return connect_with_ca(u.as_str(), ca_path).await;
}
let (ws, _) = connect_async(u.as_str()).await?;
Ok(ws)
}
async fn connect_with_ca(url: &str, ca_path: &str) -> Result<WsStream, Box<dyn std::error::Error>> {
let mut root = RootCertStore::empty();
let mut reader = BufReader::new(File::open(ca_path)?);
let mut der_certs = Vec::new();
while let Ok(Some(item)) = rustls_pemfile::read_one(&mut reader) {
if let Item::X509Certificate(der) = item {
der_certs.push(der);
}
}
root.add_parsable_certificates(der_certs);
let cfg = ClientConfig::builder()
.with_root_certificates(root)
.with_no_client_auth();
let cfg = Arc::new(cfg);
let req = url.into_client_request()?;
let (ws, _) =
connect_async_tls_with_config(req, None, true, Some(Connector::Rustls(cfg))).await?;
Ok(ws)
}
// Send a "get_metrics" request and await a single JSON reply
pub async fn request_metrics(ws: &mut WsStream) -> Option<Metrics> {
if ws.send(Message::Text("get_metrics".into())).await.is_err() {
return None;
}
match ws.next().await {
Some(Ok(Message::Binary(b))) => {
gunzip_to_string(&b).and_then(|s| serde_json::from_str::<Metrics>(&s).ok())
}
Some(Ok(Message::Text(json))) => serde_json::from_str::<Metrics>(&json).ok(),
_ => None,
}
}
// Decompress a gzip-compressed binary frame into a String.
fn gunzip_to_string(bytes: &[u8]) -> Option<String> {
let mut dec = GzDecoder::new(bytes);
let mut out = String::new();
dec.read_to_string(&mut out).ok()?;
Some(out)
}
fn gunzip_to_vec(bytes: &[u8]) -> Option<Vec<u8>> {
let mut dec = GzDecoder::new(bytes);
let mut out = Vec::new();
dec.read_to_end(&mut out).ok()?;
Some(out)
}
fn is_gzip(bytes: &[u8]) -> bool {
bytes.len() >= 2 && bytes[0] == 0x1f && bytes[1] == 0x8b
}
// Suppress dead_code until these are wired into the app
#[allow(dead_code)]
pub enum Payload {
Metrics(Metrics),
Disks(Vec<DiskInfo>),
Processes(ProcessesPayload),
}
// Send a "get_disks" request and await a JSON Vec<DiskInfo>
pub async fn request_disks(ws: &mut WsStream) -> Option<Vec<DiskInfo>> {
if ws.send(Message::Text("get_disks".into())).await.is_err() {
return None;
}
match ws.next().await {
Some(Ok(Message::Binary(b))) => {
gunzip_to_string(&b).and_then(|s| serde_json::from_str::<Vec<DiskInfo>>(&s).ok())
}
Some(Ok(Message::Text(json))) => serde_json::from_str::<Vec<DiskInfo>>(&json).ok(),
_ => None,
}
}
// Send a "get_processes" request and await a ProcessesPayload decoded from protobuf (binary, may be gzipped)
pub async fn request_processes(ws: &mut WsStream) -> Option<ProcessesPayload> {
if ws
.send(Message::Text("get_processes".into()))
.await
.is_err()
{
return None;
}
match ws.next().await {
Some(Ok(Message::Binary(b))) => {
let gz = is_gzip(&b);
let data = if gz { gunzip_to_vec(&b)? } else { b };
match pb::Processes::decode(data.as_slice()) {
Ok(pb) => {
let rows: Vec<ProcessInfo> = pb
.rows
.into_iter()
.map(|p: pb::Process| ProcessInfo {
pid: p.pid,
name: p.name,
cpu_usage: p.cpu_usage,
mem_bytes: p.mem_bytes,
})
.collect();
Some(ProcessesPayload {
process_count: pb.process_count as usize,
top_processes: rows,
})
}
Err(e) => {
if std::env::var("SOCKTOP_DEBUG").ok().as_deref() == Some("1") {
eprintln!("protobuf decode failed: {e}");
}
// Fallback: maybe it's JSON (bytes already decompressed if gz)
match String::from_utf8(data) {
Ok(s) => serde_json::from_str::<ProcessesPayload>(&s).ok(),
Err(_) => None,
}
}
}
}
Some(Ok(Message::Text(json))) => serde_json::from_str::<ProcessesPayload>(&json).ok(),
_ => None,
}
}
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//! CLI arg parsing tests for socktop (client)
use std::process::Command;
// We test the parsing by invoking the binary with --help and ensuring the help mentions short and long flags.
// Also directly test the parse_args function via a tiny helper in a doctest-like fashion using a small
// reimplementation here kept in sync with main (compile-time test).
#[test]
fn test_help_mentions_short_and_long_flags() {
let output = Command::new(env!("CARGO_BIN_EXE_socktop"))
.arg("--help")
.output()
.expect("run socktop --help");
let text = format!(
"{}{}",
String::from_utf8_lossy(&output.stdout),
String::from_utf8_lossy(&output.stderr)
);
assert!(
text.contains("--tls-ca")
&& text.contains("-t")
&& text.contains("--profile")
&& text.contains("-P"),
"help text missing expected flags (--tls-ca/-t, --profile/-P)\n{text}"
);
}
#[test]
fn test_tlc_ca_arg_long_and_short_parsed() {
// Use --help combined with flags to avoid network and still exercise arg acceptance
let exe = env!("CARGO_BIN_EXE_socktop");
// Long form with help
let out = Command::new(exe)
.args(["--tls-ca", "/tmp/cert.pem", "--help"])
.output()
.expect("run socktop");
assert!(
out.status.success(),
"socktop --tls-ca … --help did not succeed"
);
let text = format!(
"{}{}",
String::from_utf8_lossy(&out.stdout),
String::from_utf8_lossy(&out.stderr)
);
assert!(text.contains("Usage:"));
// Short form with help
let out2 = Command::new(exe)
.args(["-t", "/tmp/cert.pem", "--help"])
.output()
.expect("run socktop");
assert!(out2.status.success(), "socktop -t … --help did not succeed");
let text2 = format!(
"{}{}",
String::from_utf8_lossy(&out2.stdout),
String::from_utf8_lossy(&out2.stderr)
);
assert!(text2.contains("Usage:"));
// Profile flags with help (should not error)
let out3 = Command::new(exe)
.args(["--profile", "dev", "--help"])
.output()
.expect("run socktop");
assert!(
out3.status.success(),
"socktop --profile dev --help did not succeed"
);
let text3 = format!(
"{}{}",
String::from_utf8_lossy(&out3.stdout),
String::from_utf8_lossy(&out3.stderr)
);
assert!(text3.contains("Usage:"));
}
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//! Tests for profile load/save and resolution logic (non-interactive paths only)
use std::fs;
use std::sync::Mutex;
// Global lock to serialize tests that mutate process-wide environment variables.
static ENV_LOCK: Mutex<()> = Mutex::new(());
#[allow(dead_code)] // touch crate
fn touch() {
let _ = socktop::types::Metrics {
cpu_total: 0.0,
cpu_per_core: vec![],
mem_total: 0,
mem_used: 0,
swap_total: 0,
swap_used: 0,
process_count: None,
hostname: String::new(),
cpu_temp_c: None,
disks: vec![],
networks: vec![],
top_processes: vec![],
gpus: None,
};
}
// We re-import internal modules by copying minimal logic here because profiles.rs isn't public.
// Instead of exposing internals, we simulate profile saving through CLI invocations.
use std::process::Command;
fn run_socktop(args: &[&str]) -> (bool, String) {
let exe = env!("CARGO_BIN_EXE_socktop");
let output = Command::new(exe).args(args).output().expect("run socktop");
let ok = output.status.success();
let text = format!(
"{}{}",
String::from_utf8_lossy(&output.stdout),
String::from_utf8_lossy(&output.stderr)
);
(ok, text)
}
fn config_dir() -> std::path::PathBuf {
if let Some(xdg) = std::env::var_os("XDG_CONFIG_HOME") {
std::path::PathBuf::from(xdg).join("socktop")
} else {
dirs_next::config_dir()
.unwrap_or_else(|| std::path::PathBuf::from("."))
.join("socktop")
}
}
fn profiles_path() -> std::path::PathBuf {
config_dir().join("profiles.json")
}
#[test]
fn test_profile_created_on_first_use() {
let _guard = ENV_LOCK.lock().unwrap();
// Isolate config in a temp dir
let td = tempfile::tempdir().unwrap();
std::env::set_var("XDG_CONFIG_HOME", td.path());
// Ensure directory exists fresh
std::fs::create_dir_all(td.path().join("socktop")).unwrap();
let _ = fs::remove_file(profiles_path());
// Provide profile + url => should create profiles.json
let (_ok, _out) = run_socktop(&["--profile", "unittest", "ws://example:1/ws", "--dry-run"]);
// We pass --help to exit early after parsing (no network attempt)
let data = fs::read_to_string(profiles_path()).expect("profiles.json created");
assert!(
data.contains("unittest"),
"profiles.json missing profile entry: {data}"
);
}
#[test]
fn test_profile_overwrite_only_when_changed() {
let _guard = ENV_LOCK.lock().unwrap();
let td = tempfile::tempdir().unwrap();
std::env::set_var("XDG_CONFIG_HOME", td.path());
std::fs::create_dir_all(td.path().join("socktop")).unwrap();
let _ = fs::remove_file(profiles_path());
// Initial create
let (_ok, _out) = run_socktop(&["--profile", "prod", "ws://one/ws", "--dry-run"]); // create
let first = fs::read_to_string(profiles_path()).unwrap();
// Re-run identical (should not duplicate or corrupt)
let (_ok2, _out2) = run_socktop(&["--profile", "prod", "ws://one/ws", "--dry-run"]); // identical
let second = fs::read_to_string(profiles_path()).unwrap();
assert_eq!(
first, second,
"Profile file changed despite identical input"
);
// Overwrite with different URL using --save (no prompt path)
let (_ok3, _out3) = run_socktop(&["--profile", "prod", "--save", "ws://two/ws", "--dry-run"]);
let third = fs::read_to_string(profiles_path()).unwrap();
assert!(third.contains("two"), "Updated URL not written: {third}");
}
#[test]
fn test_profile_tls_ca_persisted() {
let _guard = ENV_LOCK.lock().unwrap();
let td = tempfile::tempdir().unwrap();
std::env::set_var("XDG_CONFIG_HOME", td.path());
std::fs::create_dir_all(td.path().join("socktop")).unwrap();
let _ = fs::remove_file(profiles_path());
let (_ok, _out) = run_socktop(&[
"--profile",
"secureX",
"--tls-ca",
"/tmp/cert.pem",
"wss://host/ws",
"--dry-run",
]);
let data = fs::read_to_string(profiles_path()).unwrap();
assert!(data.contains("secureX"));
assert!(data.contains("cert.pem"));
}
-29
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@@ -1,29 +0,0 @@
use socktop::ws::{connect, request_metrics, request_processes};
// Integration probe: only runs when SOCKTOP_WS is set to an agent WebSocket URL.
// Example: SOCKTOP_WS=ws://127.0.0.1:3000/ws cargo test -p socktop --test ws_probe -- --nocapture
#[tokio::test]
async fn probe_ws_endpoints() {
// Gate the test to avoid CI failures when no agent is running.
let url = match std::env::var("SOCKTOP_WS") {
Ok(v) if !v.is_empty() => v,
_ => {
eprintln!(
"skipping ws_probe: set SOCKTOP_WS=ws://host:port/ws to run this integration test"
);
return;
}
};
// Optional pinned CA for WSS/self-signed setups
let tls_ca = std::env::var("SOCKTOP_TLS_CA").ok();
let mut ws = connect(&url, tls_ca.as_deref()).await.expect("connect ws");
// Should get fast metrics quickly
let m = request_metrics(&mut ws).await;
assert!(m.is_some(), "expected Metrics payload within timeout");
// Processes may be gzipped and a bit slower, but should arrive
let p = request_processes(&mut ws).await;
assert!(p.is_some(), "expected Processes payload within timeout");
}
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[package]
name = "socktop_agent"
version = "0.1.11"
authors = ["Jason Witty <jasonpwitty+socktop@proton.me>"]
description = "Remote system monitor over WebSocket, TUI like top"
edition = "2021"
license = "MIT"
[dependencies]
tokio = { version = "1", features = ["full"] }
axum = { version = "0.7", features = ["ws", "macros"] }
sysinfo = { version = "0.37", features = ["network", "disk", "component"] }
serde = { version = "1", features = ["derive"] }
serde_json = "1"
flate2 = { version = "1", default-features = false, features = ["rust_backend"] }
futures = "0.3"
futures-util = "0.3.31"
tracing = "0.1"
tracing-subscriber = { version = "0.3", features = ["env-filter"] }
nvml-wrapper = "0.10"
gfxinfo = "0.1.2"
tungstenite = "0.27.0"
once_cell = "1.19"
axum-server = { version = "0.6", features = ["tls-rustls"] }
rustls = "0.23"
rustls-pemfile = "2.1"
openssl = { version = "0.10", features = ["vendored"] } # for crossplatform selfsigned generation
anyhow = "1"
hostname = "0.3"
bytes = { workspace = true }
prost = { workspace = true }
[build-dependencies]
prost-build = "0.13"
prost-types = { workspace = true }
tonic-build = { version = "0.12", default-features = false, optional = true }
protoc-bin-vendored = "3"
[dev-dependencies]
assert_cmd = "2.0"
tempfile = "3.10"
-11
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@@ -1,11 +0,0 @@
fn main() {
// Ensure protoc exists (vendored for reproducible builds)
let protoc = protoc_bin_vendored::protoc_bin_path().expect("protoc");
std::env::set_var("PROTOC", protoc);
// Compile protobuf definitions for processes
let mut cfg = prost_build::Config::new();
cfg.out_dir(std::env::var("OUT_DIR").unwrap());
cfg.compile_protos(&["../proto/processes.proto"], &["../proto"])
.expect("compile protos");
}
-24
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@@ -1,24 +0,0 @@
// gpu.rs
use gfxinfo::active_gpu;
#[derive(Debug, Clone, serde::Serialize)]
pub struct GpuMetrics {
pub name: String,
pub utilization_gpu_pct: u32, // 0..100
pub mem_used_bytes: u64,
pub mem_total_bytes: u64,
}
pub fn collect_all_gpus() -> Result<Vec<GpuMetrics>, Box<dyn std::error::Error>> {
let gpu = active_gpu()?; // Use ? to unwrap Result
let info = gpu.info();
let metrics = GpuMetrics {
name: gpu.model().to_string(),
utilization_gpu_pct: info.load_pct() as u32,
mem_used_bytes: info.used_vram(),
mem_total_bytes: info.total_vram(),
};
Ok(vec![metrics])
}
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//! socktop agent entrypoint: sets up sysinfo handles, launches a sampler,
//! and serves a WebSocket endpoint at /ws.
mod gpu;
mod metrics;
mod proto;
mod sampler;
mod state;
mod types;
mod ws;
use axum::{http::StatusCode, routing::get, Router};
use std::net::SocketAddr;
use std::str::FromStr;
mod tls;
use crate::sampler::{spawn_disks_sampler, spawn_process_sampler, spawn_sampler};
use state::AppState;
fn arg_flag(name: &str) -> bool {
std::env::args().any(|a| a == name)
}
fn arg_value(name: &str) -> Option<String> {
let mut it = std::env::args();
while let Some(a) = it.next() {
if a == name {
return it.next();
}
}
None
}
// (tests moved to end of file to satisfy clippy::items_after_test_module)
#[tokio::main]
async fn main() -> anyhow::Result<()> {
tracing_subscriber::fmt::init();
let state = AppState::new();
// Start background sampler (adjust cadence as needed)
// 500ms fast metrics
let _h_fast = spawn_sampler(state.clone(), std::time::Duration::from_millis(500));
// 2s processes (top 50)
let _h_procs = spawn_process_sampler(state.clone(), std::time::Duration::from_secs(2), 50);
// 5s disks
let _h_disks = spawn_disks_sampler(state.clone(), std::time::Duration::from_secs(5));
// Web app: route /ws to the websocket handler
async fn healthz() -> StatusCode {
println!("/healthz request");
StatusCode::OK
}
let app = Router::new()
.route("/ws", get(ws::ws_handler))
.route("/healthz", get(healthz))
.with_state(state.clone());
let enable_ssl =
arg_flag("--enableSSL") || std::env::var("SOCKTOP_ENABLE_SSL").ok().as_deref() == Some("1");
if enable_ssl {
// Port can be overridden by --port or SOCKTOP_PORT; default to 8443 when SSL
let port = arg_value("--port")
.or_else(|| arg_value("-p"))
.or_else(|| std::env::var("SOCKTOP_PORT").ok())
.and_then(|s| s.parse::<u16>().ok())
.unwrap_or(8443);
let (cert_path, key_path) = tls::ensure_self_signed_cert()?;
let cfg = axum_server::tls_rustls::RustlsConfig::from_pem_file(cert_path, key_path).await?;
let addr = SocketAddr::from_str(&format!("0.0.0.0:{port}"))?;
println!("socktop_agent: TLS enabled. Listening on wss://{addr}/ws");
axum_server::bind_rustls(addr, cfg)
.serve(app.into_make_service())
.await?;
return Ok(());
}
// Non-TLS HTTP/WS path
let port = arg_value("--port")
.or_else(|| arg_value("-p"))
.or_else(|| std::env::var("SOCKTOP_PORT").ok())
.and_then(|s| s.parse::<u16>().ok())
.unwrap_or(3000);
let addr = SocketAddr::from(([0, 0, 0, 0], port));
println!("socktop_agent: Listening on ws://{addr}/ws");
axum_server::bind(addr)
.serve(app.into_make_service())
.await?;
Ok(())
}
#[cfg(test)]
mod tests_cli_agent {
// Local helper for testing port parsing
fn parse_port<I: IntoIterator<Item = String>>(args: I, default_port: u16) -> u16 {
let mut it = args.into_iter();
let _ = it.next(); // prog
let mut long: Option<String> = None;
let mut short: Option<String> = None;
while let Some(a) = it.next() {
match a.as_str() {
"--port" => long = it.next(),
"-p" => short = it.next(),
_ if a.starts_with("--port=") => {
if let Some((_, v)) = a.split_once('=') {
long = Some(v.to_string());
}
}
_ => {}
}
}
long.or(short)
.and_then(|s| s.parse::<u16>().ok())
.unwrap_or(default_port)
}
#[test]
fn port_long_short_and_assign() {
assert_eq!(
parse_port(vec!["agent".into(), "--port".into(), "9001".into()], 8443),
9001
);
assert_eq!(
parse_port(vec!["agent".into(), "-p".into(), "9002".into()], 8443),
9002
);
assert_eq!(
parse_port(vec!["agent".into(), "--port=9003".into()], 8443),
9003
);
assert_eq!(parse_port(vec!["agent".into()], 8443), 8443);
}
}
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//! Metrics collection using sysinfo for socktop_agent.
use crate::gpu::collect_all_gpus;
use crate::state::AppState;
use crate::types::{DiskInfo, Metrics, NetworkInfo, ProcessInfo, ProcessesPayload};
use once_cell::sync::OnceCell;
#[cfg(target_os = "linux")]
use std::collections::HashMap;
#[cfg(target_os = "linux")]
use std::fs;
#[cfg(target_os = "linux")]
use std::io;
use std::sync::Mutex;
use std::time::{Duration, Instant};
use sysinfo::{ProcessRefreshKind, ProcessesToUpdate, System};
use tracing::warn;
// Runtime toggles (read once)
fn gpu_enabled() -> bool {
static ON: OnceCell<bool> = OnceCell::new();
*ON.get_or_init(|| {
std::env::var("SOCKTOP_AGENT_GPU")
.map(|v| v != "0")
.unwrap_or(true)
})
}
fn temp_enabled() -> bool {
static ON: OnceCell<bool> = OnceCell::new();
*ON.get_or_init(|| {
std::env::var("SOCKTOP_AGENT_TEMP")
.map(|v| v != "0")
.unwrap_or(true)
})
}
// Tiny TTL caches to avoid rescanning sensors every 500ms
const TTL: Duration = Duration::from_millis(1500);
struct TempCache {
at: Option<Instant>,
v: Option<f32>,
}
static TEMP: OnceCell<Mutex<TempCache>> = OnceCell::new();
struct GpuCache {
at: Option<Instant>,
v: Option<Vec<crate::gpu::GpuMetrics>>,
}
static GPUC: OnceCell<Mutex<GpuCache>> = OnceCell::new();
fn cached_temp() -> Option<f32> {
if !temp_enabled() {
return None;
}
let now = Instant::now();
let lock = TEMP.get_or_init(|| Mutex::new(TempCache { at: None, v: None }));
let mut c = lock.lock().ok()?;
if c.at.is_none_or(|t| now.duration_since(t) >= TTL) {
c.at = Some(now);
// caller will fill this; we just hold a slot
c.v = None;
}
c.v
}
fn set_temp(v: Option<f32>) {
if let Some(lock) = TEMP.get() {
if let Ok(mut c) = lock.lock() {
c.v = v;
c.at = Some(Instant::now());
}
}
}
fn cached_gpus() -> Option<Vec<crate::gpu::GpuMetrics>> {
if !gpu_enabled() {
return None;
}
let now = Instant::now();
let lock = GPUC.get_or_init(|| Mutex::new(GpuCache { at: None, v: None }));
let mut c = lock.lock().ok()?;
if c.at.is_none_or(|t| now.duration_since(t) >= TTL) {
// mark stale; caller will refresh
c.at = Some(now);
c.v = None;
}
c.v.clone()
}
fn set_gpus(v: Option<Vec<crate::gpu::GpuMetrics>>) {
if let Some(lock) = GPUC.get() {
if let Ok(mut c) = lock.lock() {
c.v = v.clone();
c.at = Some(Instant::now());
}
}
}
// Collect only fast-changing metrics (CPU/mem/net + optional temps/gpus).
pub async fn collect_fast_metrics(state: &AppState) -> Metrics {
let mut sys = state.sys.lock().await;
if let Err(e) = std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| {
sys.refresh_cpu_usage();
sys.refresh_memory();
})) {
warn!("sysinfo selective refresh panicked: {e:?}");
}
let hostname = System::host_name().unwrap_or_else(|| "unknown".to_string());
let cpu_total = sys.global_cpu_usage();
let cpu_per_core: Vec<f32> = sys.cpus().iter().map(|c| c.cpu_usage()).collect();
let mem_total = sys.total_memory();
let mem_used = mem_total.saturating_sub(sys.available_memory());
let swap_total = sys.total_swap();
let swap_used = sys.used_swap();
drop(sys);
// CPU temperature: only refresh sensors if cache is stale
let cpu_temp_c = if cached_temp().is_some() {
cached_temp()
} else if temp_enabled() {
let val = {
let mut components = state.components.lock().await;
components.refresh(false);
components.iter().find_map(|c| {
let l = c.label().to_ascii_lowercase();
if l.contains("cpu")
|| l.contains("package")
|| l.contains("tctl")
|| l.contains("tdie")
{
c.temperature()
} else {
None
}
})
};
set_temp(val);
val
} else {
None
};
// Networks
let networks: Vec<NetworkInfo> = {
let mut nets = state.networks.lock().await;
nets.refresh(false);
nets.iter()
.map(|(name, data)| NetworkInfo {
name: name.to_string(),
received: data.total_received(),
transmitted: data.total_transmitted(),
})
.collect()
};
// GPUs: refresh only when cache is stale
let gpus = if cached_gpus().is_some() {
cached_gpus()
} else if gpu_enabled() {
let v = match collect_all_gpus() {
Ok(v) if !v.is_empty() => Some(v),
Ok(_) => None,
Err(e) => {
warn!("gpu collection failed: {e}");
None
}
};
set_gpus(v.clone());
v
} else {
None
};
Metrics {
cpu_total,
cpu_per_core,
mem_total,
mem_used,
swap_total,
swap_used,
hostname,
cpu_temp_c,
disks: Vec::new(),
networks,
top_processes: Vec::new(),
gpus,
}
}
// Cached disks
pub async fn collect_disks(state: &AppState) -> Vec<DiskInfo> {
let mut disks_list = state.disks.lock().await;
disks_list.refresh(false); // don't drop missing disks
disks_list
.iter()
.map(|d| DiskInfo {
name: d.name().to_string_lossy().into_owned(),
total: d.total_space(),
available: d.available_space(),
})
.collect()
}
// Linux-only helpers and implementation using /proc deltas for accurate CPU%.
#[cfg(target_os = "linux")]
#[inline]
fn read_total_jiffies() -> io::Result<u64> {
// /proc/stat first line: "cpu user nice system idle iowait irq softirq steal ..."
let s = fs::read_to_string("/proc/stat")?;
if let Some(line) = s.lines().next() {
let mut it = line.split_whitespace();
let _cpu = it.next(); // "cpu"
let mut sum: u64 = 0;
for tok in it.take(8) {
if let Ok(v) = tok.parse::<u64>() {
sum = sum.saturating_add(v);
}
}
return Ok(sum);
}
Err(io::Error::other("no cpu line"))
}
#[cfg(target_os = "linux")]
#[inline]
fn read_proc_jiffies(pid: u32) -> Option<u64> {
let path = format!("/proc/{pid}/stat");
let s = fs::read_to_string(path).ok()?;
// Find the right parenthesis that terminates comm; everything after is space-separated fields starting at "state"
let rpar = s.rfind(')')?;
let after = s.get(rpar + 2..)?; // skip ") "
let mut it = after.split_whitespace();
// utime (14th field) is offset 11 from "state", stime (15th) is next
let utime = it.nth(11)?.parse::<u64>().ok()?;
let stime = it.next()?.parse::<u64>().ok()?;
Some(utime.saturating_add(stime))
}
/// Collect all processes (Linux): compute CPU% via /proc jiffies delta; sorting moved to client.
#[cfg(target_os = "linux")]
pub async fn collect_processes_all(state: &AppState) -> ProcessesPayload {
// Fresh view to avoid lingering entries and select "no tasks" (no per-thread rows).
let mut sys = System::new();
sys.refresh_processes_specifics(
ProcessesToUpdate::All,
false,
ProcessRefreshKind::everything().without_tasks(),
);
let total_count = sys.processes().len();
// Snapshot current per-pid jiffies
let mut current: HashMap<u32, u64> = HashMap::with_capacity(total_count);
for p in sys.processes().values() {
let pid = p.pid().as_u32();
if let Some(j) = read_proc_jiffies(pid) {
current.insert(pid, j);
}
}
let total_now = read_total_jiffies().unwrap_or(0);
// Compute deltas vs last sample
let (last_total, mut last_map) = {
#[cfg(target_os = "linux")]
{
let mut t = state.proc_cpu.lock().await;
let lt = t.last_total;
let lm = std::mem::take(&mut t.last_per_pid);
t.last_total = total_now;
t.last_per_pid = current.clone();
(lt, lm)
}
#[cfg(not(target_os = "linux"))]
{
let _: u64 = total_now; // silence unused warning
(0u64, HashMap::new())
}
};
// On first run or if total delta is tiny, report zeros
if last_total == 0 || total_now <= last_total {
let procs: Vec<ProcessInfo> = sys
.processes()
.values()
.map(|p| ProcessInfo {
pid: p.pid().as_u32(),
name: p.name().to_string_lossy().into_owned(),
cpu_usage: 0.0,
mem_bytes: p.memory(),
})
.collect();
return ProcessesPayload {
process_count: total_count,
top_processes: procs,
};
}
let dt = total_now.saturating_sub(last_total).max(1) as f32;
let procs: Vec<ProcessInfo> = sys
.processes()
.values()
.map(|p| {
let pid = p.pid().as_u32();
let now = current.get(&pid).copied().unwrap_or(0);
let prev = last_map.remove(&pid).unwrap_or(0);
let du = now.saturating_sub(prev) as f32;
let cpu = ((du / dt) * 100.0).clamp(0.0, 100.0);
ProcessInfo {
pid,
name: p.name().to_string_lossy().into_owned(),
cpu_usage: cpu,
mem_bytes: p.memory(),
}
})
.collect();
ProcessesPayload {
process_count: total_count,
top_processes: procs,
}
}
/// Collect all processes (non-Linux): use sysinfo's internal CPU% by doing a double refresh.
#[cfg(not(target_os = "linux"))]
pub async fn collect_processes_all(state: &AppState) -> ProcessesPayload {
use tokio::time::sleep;
let mut sys = state.sys.lock().await;
// First refresh to set baseline
sys.refresh_processes_specifics(
ProcessesToUpdate::All,
false,
ProcessRefreshKind::everything().without_tasks(),
);
// Small delay so sysinfo can compute CPU deltas on next refresh
sleep(Duration::from_millis(250)).await;
sys.refresh_processes_specifics(
ProcessesToUpdate::All,
false,
ProcessRefreshKind::everything().without_tasks(),
);
let total_count = sys.processes().len();
let procs: Vec<ProcessInfo> = sys
.processes()
.values()
.map(|p| ProcessInfo {
pid: p.pid().as_u32(),
name: p.name().to_string_lossy().into_owned(),
cpu_usage: p.cpu_usage(),
mem_bytes: p.memory(),
})
.collect();
ProcessesPayload {
process_count: total_count,
top_processes: procs,
}
}
// Small helper to select and sort top-k by cpu
// Client now handles sorting/pagination.
-5
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@@ -1,5 +0,0 @@
// Generated protobuf modules live under OUT_DIR; include them here.
// This module will expose socktop::Processes and socktop::Process types.
pub mod pb {
include!(concat!(env!("OUT_DIR"), "/socktop.rs"));
}
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@@ -1,34 +0,0 @@
//! Background sampler: periodically collects metrics and updates precompressed caches,
//! so WS replies just read and send cached bytes.
use crate::state::AppState;
use tokio::task::JoinHandle;
use tokio::time::{sleep, Duration};
// 500ms: fast path (cpu/mem/net/temp/gpu)
pub fn spawn_sampler(_state: AppState, _period: Duration) -> JoinHandle<()> {
tokio::spawn(async move {
// no-op background sampler (request-driven collection elsewhere)
loop {
sleep(Duration::from_secs(3600)).await;
}
})
}
// 2s: processes top-k
pub fn spawn_process_sampler(_state: AppState, _period: Duration, _top_k: usize) -> JoinHandle<()> {
tokio::spawn(async move {
loop {
sleep(Duration::from_secs(3600)).await;
}
})
}
// 5s: disks
pub fn spawn_disks_sampler(_state: AppState, _period: Duration) -> JoinHandle<()> {
tokio::spawn(async move {
loop {
sleep(Duration::from_secs(3600)).await;
}
})
}
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//! Shared agent state: sysinfo handles and hot JSON cache.
#[cfg(target_os = "linux")]
use std::collections::HashMap;
use std::sync::atomic::AtomicUsize;
use std::sync::Arc;
use sysinfo::{Components, Disks, Networks, System};
use tokio::sync::Mutex;
pub type SharedSystem = Arc<Mutex<System>>;
pub type SharedComponents = Arc<Mutex<Components>>;
pub type SharedDisks = Arc<Mutex<Disks>>;
pub type SharedNetworks = Arc<Mutex<Networks>>;
#[cfg(target_os = "linux")]
#[derive(Default)]
pub struct ProcCpuTracker {
pub last_total: u64,
pub last_per_pid: HashMap<u32, u64>,
}
#[derive(Clone)]
pub struct AppState {
pub sys: SharedSystem,
pub components: SharedComponents,
pub disks: SharedDisks,
pub networks: SharedNetworks,
// For correct per-process CPU% using /proc deltas (Linux only path uses this tracker)
#[cfg(target_os = "linux")]
pub proc_cpu: Arc<Mutex<ProcCpuTracker>>,
// Connection tracking (to allow future idle sleeps if desired)
pub client_count: Arc<AtomicUsize>,
pub auth_token: Option<String>,
}
impl AppState {
pub fn new() -> Self {
let sys = System::new();
let components = Components::new_with_refreshed_list();
let disks = Disks::new_with_refreshed_list();
let networks = Networks::new_with_refreshed_list();
Self {
sys: Arc::new(Mutex::new(sys)),
components: Arc::new(Mutex::new(components)),
disks: Arc::new(Mutex::new(disks)),
networks: Arc::new(Mutex::new(networks)),
#[cfg(target_os = "linux")]
proc_cpu: Arc::new(Mutex::new(ProcCpuTracker::default())),
client_count: Arc::new(AtomicUsize::new(0)),
auth_token: std::env::var("SOCKTOP_TOKEN")
.ok()
.filter(|s| !s.is_empty()),
}
}
}
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@@ -1,96 +0,0 @@
use openssl::asn1::Asn1Time;
use openssl::hash::MessageDigest;
use openssl::nid::Nid;
use openssl::pkey::PKey;
use openssl::rsa::Rsa;
use openssl::x509::extension::{
BasicConstraints, ExtendedKeyUsage, KeyUsage, SubjectAlternativeName,
};
use openssl::x509::{X509NameBuilder, X509};
use std::{
fs,
io::Write,
net::{IpAddr, Ipv4Addr},
path::{Path, PathBuf},
};
fn config_dir() -> PathBuf {
std::env::var_os("XDG_CONFIG_HOME")
.map(PathBuf::from)
.or_else(|| std::env::var_os("HOME").map(|h| Path::new(&h).join(".config")))
.unwrap_or_else(|| PathBuf::from("."))
.join("socktop_agent")
.join("tls")
}
pub fn cert_paths() -> (PathBuf, PathBuf) {
let dir = config_dir();
(dir.join("cert.pem"), dir.join("key.pem"))
}
pub fn ensure_self_signed_cert() -> anyhow::Result<(PathBuf, PathBuf)> {
let (cert_path, key_path) = cert_paths();
if cert_path.exists() && key_path.exists() {
return Ok((cert_path, key_path));
}
fs::create_dir_all(cert_path.parent().unwrap())?;
// Key
let rsa = Rsa::generate(4096)?;
let pkey = PKey::from_rsa(rsa)?;
// Subject/issuer
let hostname = hostname::get()
.ok()
.and_then(|s| s.into_string().ok())
.unwrap_or_else(|| "localhost".to_string());
let mut name = X509NameBuilder::new()?;
name.append_entry_by_nid(Nid::COMMONNAME, &hostname)?;
let name = name.build();
// Cert builder
let mut builder = X509::builder()?;
builder.set_version(2)?;
builder.set_subject_name(&name)?;
builder.set_issuer_name(&name)?;
builder.set_pubkey(&pkey)?;
builder.set_not_before(Asn1Time::days_from_now(0)?.as_ref())?;
builder.set_not_after(Asn1Time::days_from_now(397)?.as_ref())?;
// SANs: hostname + localhost loopbacks
let mut san = SubjectAlternativeName::new();
san.dns(&hostname)
.dns("localhost")
.ip("127.0.0.1")
.ip("::1");
// Add a generic 0.0.0.0 for convenience; some TLS libs ignore this, but harmless.
let _ = san.ip(&IpAddr::V4(Ipv4Addr::UNSPECIFIED).to_string());
let san = san.build(&builder.x509v3_context(None, None))?;
// End-entity cert: not a CA
builder.append_extension(BasicConstraints::new().critical().build()?)?;
builder.append_extension(
KeyUsage::new()
.digital_signature()
.key_encipherment()
.build()?,
)?;
// TLS server usage
builder.append_extension(ExtendedKeyUsage::new().server_auth().build()?)?;
builder.append_extension(san)?;
builder.sign(&pkey, MessageDigest::sha256())?;
let cert: X509 = builder.build();
let mut f = fs::File::create(&cert_path)?;
f.write_all(&cert.to_pem()?)?;
let mut k = fs::File::create(&key_path)?;
k.write_all(&pkey.private_key_to_pem_pkcs8()?)?;
println!(
"socktop_agent: generated self-signed TLS certificate at {}",
cert_path.display()
);
println!("socktop_agent: private key at {}", key_path.display());
Ok((cert_path, key_path))
}
-49
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@@ -1,49 +0,0 @@
//! Data types sent to the client over WebSocket.
//! Keep this module minimal and stable — it defines the wire format.
use crate::gpu::GpuMetrics;
use serde::Serialize;
#[derive(Debug, Clone, Serialize)]
pub struct DiskInfo {
pub name: String,
pub total: u64,
pub available: u64,
}
#[derive(Debug, Clone, Serialize)]
pub struct NetworkInfo {
pub name: String,
pub received: u64,
pub transmitted: u64,
}
#[derive(Debug, Clone, Serialize)]
pub struct ProcessInfo {
pub pid: u32,
pub name: String,
pub cpu_usage: f32,
pub mem_bytes: u64,
}
#[derive(Debug, Clone, Serialize)]
pub struct Metrics {
pub cpu_total: f32,
pub cpu_per_core: Vec<f32>,
pub mem_total: u64,
pub mem_used: u64,
pub swap_total: u64,
pub swap_used: u64,
pub hostname: String,
pub cpu_temp_c: Option<f32>,
pub disks: Vec<DiskInfo>,
pub networks: Vec<NetworkInfo>,
pub top_processes: Vec<ProcessInfo>,
pub gpus: Option<Vec<GpuMetrics>>,
}
#[derive(Debug, Clone, Serialize)]
pub struct ProcessesPayload {
pub process_count: usize,
pub top_processes: Vec<ProcessInfo>,
}
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@@ -1,101 +0,0 @@
//! WebSocket upgrade and per-connection handler (request-driven).
use axum::{
extract::ws::{Message, WebSocket},
extract::{Query, State, WebSocketUpgrade},
response::Response,
};
use flate2::{write::GzEncoder, Compression};
use futures_util::StreamExt;
use std::collections::HashMap;
use std::io::Write;
use crate::metrics::{collect_disks, collect_fast_metrics, collect_processes_all};
use crate::proto::pb;
use crate::state::AppState;
pub async fn ws_handler(
ws: WebSocketUpgrade,
State(state): State<AppState>,
Query(q): Query<HashMap<String, String>>,
) -> Response {
// optional auth
if let Some(expected) = state.auth_token.as_ref() {
if q.get("token") != Some(expected) {
return ws.on_upgrade(|socket| async move {
let _ = socket.close().await;
});
}
}
ws.on_upgrade(move |socket| handle_socket(socket, state))
}
async fn handle_socket(mut socket: WebSocket, state: AppState) {
state
.client_count
.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
while let Some(Ok(msg)) = socket.next().await {
match msg {
Message::Text(ref text) if text == "get_metrics" => {
let m = collect_fast_metrics(&state).await;
let _ = send_json(&mut socket, &m).await;
}
Message::Text(ref text) if text == "get_disks" => {
let d = collect_disks(&state).await;
let _ = send_json(&mut socket, &d).await;
}
Message::Text(ref text) if text == "get_processes" => {
let payload = collect_processes_all(&state).await;
// Map to protobuf message
let rows: Vec<pb::Process> = payload
.top_processes
.into_iter()
.map(|p| pb::Process {
pid: p.pid,
name: p.name,
cpu_usage: p.cpu_usage,
mem_bytes: p.mem_bytes,
})
.collect();
let pb = pb::Processes {
process_count: payload.process_count as u64,
rows,
};
let mut buf = Vec::with_capacity(8 * 1024);
if prost::Message::encode(&pb, &mut buf).is_err() {
let _ = socket.send(Message::Close(None)).await;
} else {
// compress if large
if buf.len() <= 768 {
let _ = socket.send(Message::Binary(buf)).await;
} else {
let mut enc = GzEncoder::new(Vec::new(), Compression::fast());
if enc.write_all(&buf).is_ok() {
let bin = enc.finish().unwrap_or(buf);
let _ = socket.send(Message::Binary(bin)).await;
} else {
let _ = socket.send(Message::Binary(buf)).await;
}
}
}
}
Message::Close(_) => break,
_ => {}
}
}
state
.client_count
.fetch_sub(1, std::sync::atomic::Ordering::Relaxed);
}
// Small, cheap gzip for larger payloads; send text for small.
async fn send_json<T: serde::Serialize>(ws: &mut WebSocket, value: &T) -> Result<(), axum::Error> {
let json = serde_json::to_string(value).expect("serialize");
if json.len() <= 768 {
return ws.send(Message::Text(json)).await;
}
let mut enc = GzEncoder::new(Vec::new(), Compression::fast());
enc.write_all(json.as_bytes()).ok();
let bin = enc.finish().unwrap_or_else(|_| json.into_bytes());
ws.send(Message::Binary(bin)).await
}
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@@ -1,28 +0,0 @@
//! CLI arg parsing tests for socktop_agent (server)
use std::process::Command;
#[test]
fn test_help_and_port_short_long() {
// We verify port flags are accepted by ensuring the process starts (then we kill quickly).
// Use an unlikely port to avoid conflicts.
let exe = env!("CARGO_BIN_EXE_socktop_agent");
// TLS enabled with long --port
let mut child = Command::new(exe)
.args(["--enableSSL", "--port", "9555"])
.spawn()
.expect("spawn agent");
// Give it a moment to bind
std::thread::sleep(std::time::Duration::from_millis(150));
let _ = child.kill();
let _ = child.wait();
// TLS enabled with short -p
let mut child2 = Command::new(exe)
.args(["--enableSSL", "-p", "9556"])
.spawn()
.expect("spawn agent");
std::thread::sleep(std::time::Duration::from_millis(150));
let _ = child2.kill();
let _ = child2.wait();
}
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@@ -1,59 +0,0 @@
use assert_cmd::prelude::*;
use std::fs;
use std::path::PathBuf;
use std::process::Command;
use std::time::Duration;
use std::time::Instant;
fn expected_paths(config_home: &std::path::Path) -> (PathBuf, PathBuf) {
let base = config_home.join("socktop_agent").join("tls");
(base.join("cert.pem"), base.join("key.pem"))
}
#[test]
fn generates_self_signed_cert_and_key_in_xdg_path() {
// Create an isolated fake XDG_CONFIG_HOME
let tmpdir = tempfile::tempdir().expect("tempdir");
let xdg = tmpdir.path().to_path_buf();
// Run the agent once with --enableSSL, short timeout so it exits quickly when killed
let mut cmd = Command::cargo_bin("socktop_agent").expect("binary exists");
// Bind to an ephemeral port (-p 0) to avoid conflicts/flakes
cmd.env("XDG_CONFIG_HOME", &xdg)
.arg("--enableSSL")
.arg("-p")
.arg("0");
// Spawn the process and poll for cert generation
let mut child = cmd.spawn().expect("spawn agent");
// Poll up to ~3s for files to appear to avoid timing flakes
let (cert_path, key_path) = expected_paths(&xdg);
let start = Instant::now();
let timeout = Duration::from_millis(3000);
let interval = Duration::from_millis(50);
while start.elapsed() < timeout {
if cert_path.exists() && key_path.exists() {
break;
}
std::thread::sleep(interval);
}
// Terminate the process regardless
let _ = child.kill();
let _ = child.wait();
// Verify files exist at expected paths
assert!(
cert_path.exists(),
"cert not found at {}",
cert_path.display()
);
assert!(key_path.exists(), "key not found at {}", key_path.display());
// Also ensure they are non-empty
let cert_md = fs::metadata(&cert_path).expect("cert metadata");
let key_md = fs::metadata(&key_path).expect("key metadata");
assert!(cert_md.len() > 0, "cert is empty");
assert!(key_md.len() > 0, "key is empty");
}