Merge branch 'development' into development_builders

* development:
  minor example fixes
  feat: add comprehensive SSH agent management command
  refactor: Harden and improve SSH agent module
  ...
  feat: add editable ttyd dashboard mode
  feat: add CLI for dashboard management and 4-pane layout
  fix: Fix build
  ...
  refactor: update SSH agent examples and module structure
  feat: add tmux dashboard with ttyd integration
  refactor: Remove is_tmux_server_not_running_error function
  wip: pushing the code to sync in other branch
  refactor: Improve tmux API consistency and formatting

# Conflicts:
#	lib/osal/core/net.v
#	lib/virt/podman/factory.v
This commit is contained in:
2025-08-28 14:26:06 +02:00
36 changed files with 3174 additions and 2111 deletions

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module main
import freeflowuniverse.herolib.osal.sshagent
import freeflowuniverse.herolib.osal.linux
fn do1() ! {
mut agent := sshagent.new()!
println(agent)
k := agent.get(name: 'kds') or { panic('notgound') }
println(k)
mut k2 := agent.get(name: 'books') or { panic('notgound') }
k2.load()!
println(k2.agent)
println(agent)
k2.forget()!
println(k2.agent)
// println(agent)
}
fn test_user_mgmt() ! {
mut lf := linux.new()!
// Test user creation
lf.user_create(
name: 'testuser'
sshkey: 'ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIM3/2K7R8A/l0kM0/d'
)!
// Test ssh key creation
lf.sshkey_create(
username: 'testuser'
sshkey_name: 'testkey'
)!
// Test ssh key deletion
lf.sshkey_delete(
username: 'testuser'
sshkey_name: 'testkey'
)!
// Test user deletion
lf.user_delete(name: 'testuser')!
}
fn main() {
do1() or { panic(err) }
test_user_mgmt() or { panic(err) }
}

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#!/usr/bin/env -S v -n -w -gc none -cc tcc -d use_openssl -enable-globals run
import freeflowuniverse.herolib.osal.sshagent
import freeflowuniverse.herolib.osal.linux
import freeflowuniverse.herolib.ui.console
fn demo_sshagent_basic() ! {
console.print_header('SSH Agent Basic Demo')
// Create SSH agent
mut agent := sshagent.new()!
console.print_debug('SSH Agent initialized')
// Show current status
console.print_header('Current SSH Agent Status:')
println(agent)
// Show diagnostics
diag := agent.diagnostics()
console.print_header('SSH Agent Diagnostics:')
for key, value in diag {
console.print_item('${key}: ${value}')
}
}
fn demo_sshagent_key_management() ! {
console.print_header('SSH Agent Key Management Demo')
mut agent := sshagent.new()!
// Generate a test key if it doesn't exist
test_key_name := 'herolib_demo_key'
// Clean up any existing test key first
if existing_key := agent.get(name: test_key_name) {
console.print_debug('Removing existing test key...')
// Remove existing key files
mut key_file := agent.homepath.file_get_new('${test_key_name}')!
mut pub_key_file := agent.homepath.file_get_new('${test_key_name}.pub')!
key_file.delete() or {}
pub_key_file.delete() or {}
} else {
console.print_debug('No existing test key found')
}
// Generate new key with empty passphrase
console.print_debug('Generating new SSH key: ${test_key_name}')
mut new_key := agent.generate(test_key_name, '')!
console.print_green(' Generated new SSH key: ${test_key_name}')
// Show key information
console.print_item('Key name: ${new_key.name}')
console.print_item('Key type: ${new_key.cat}')
console.print_item('Key loaded: ${new_key.loaded}')
// Demonstrate key operations without loading (to avoid passphrase issues)
console.print_header('Key file operations:')
mut key_path := new_key.keypath()!
mut pub_key_path := new_key.keypath_pub()!
console.print_item('Private key path: ${key_path.path}')
console.print_item('Public key path: ${pub_key_path.path}')
// Show public key content
pub_key_content := new_key.keypub()!
preview_len := if pub_key_content.len > 60 { 60 } else { pub_key_content.len }
console.print_item('Public key: ${pub_key_content[0..preview_len]}...')
// Show agent status
console.print_header('Agent status after key generation:')
println(agent)
// Clean up test key
console.print_debug('Cleaning up test key...')
key_path.delete()!
pub_key_path.delete()!
console.print_green(' Test key cleaned up')
}
fn demo_sshagent_with_existing_keys() ! {
console.print_header('SSH Agent with Existing Keys Demo')
mut agent := sshagent.new()!
if agent.keys.len == 0 {
console.print_debug('No SSH keys found. Generating example key...')
mut key := agent.generate('example_demo_key', '')!
key.load()!
console.print_green(' Created and loaded example key')
}
console.print_header('Available SSH keys:')
for key in agent.keys {
status := if key.loaded { 'LOADED' } else { 'NOT LOADED' }
console.print_item('${key.name} - ${status} (${key.cat})')
}
// Try to work with the first available key
if agent.keys.len > 0 {
mut first_key := agent.keys[0]
console.print_header('Working with key: ${first_key.name}')
if first_key.loaded {
console.print_debug('Key is loaded, showing public key info...')
pubkey := first_key.keypub() or { 'Could not read public key' }
preview_len := if pubkey.len > 50 { 50 } else { pubkey.len }
console.print_item('Public key preview: ${pubkey[0..preview_len]}...')
}
}
}
fn test_user_mgmt() ! {
console.print_header('User Management Test')
// Note: This requires root privileges and should be run carefully
console.print_debug('User management test requires root privileges')
console.print_debug('Skipping user management test in this demo')
// Uncomment below to test user management (requires root)
/*
mut lf := linux.new()!
// Test user creation
lf.user_create(
name: 'testuser'
sshkey: 'ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIM3/2K7R8A/l0kM0/d'
)!
// Test ssh key creation
lf.sshkey_create(
username: 'testuser'
sshkey_name: 'testkey'
)!
// Test ssh key deletion
lf.sshkey_delete(
username: 'testuser'
sshkey_name: 'testkey'
)!
// Test user deletion
lf.user_delete(name: 'testuser')!
*/
}
fn main() {
console.print_header('🔑 SSH Agent Example - HeroLib')
demo_sshagent_basic() or {
console.print_stderr(' Basic demo failed: ${err}')
return
}
demo_sshagent_key_management() or {
console.print_stderr(' Key management demo failed: ${err}')
return
}
demo_sshagent_with_existing_keys() or {
console.print_stderr(' Existing keys demo failed: ${err}')
return
}
test_user_mgmt() or {
console.print_stderr(' User management test failed: ${err}')
return
}
console.print_header('🎉 All SSH Agent demos completed successfully!')
}

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#!/usr/bin/env -S v -n -w -gc none -cc tcc -d use_openssl -enable-globals run
import freeflowuniverse.herolib.osal.sshagent
import freeflowuniverse.herolib.ui.console
console.print_header('SSH Agent Management Example')
// Create SSH agent with single instance guarantee
mut agent := sshagent.new_single()!
println('SSH Agent initialized and ensured single instance')
// Show diagnostics
diag := agent.diagnostics()
console.print_header('SSH Agent Diagnostics:')
for key, value in diag {
console.print_item('${key}: ${value}')
}
// Show current agent status
println(agent)
// Example: Generate a test key if no keys exist
if agent.keys.len == 0 {
console.print_header('No keys found, generating example key...')
mut key := agent.generate('example_key', '')!
console.print_debug('Generated key: ${key}')
// Load the generated key
key.load()!
console.print_debug('Key loaded into agent')
}
// Example: Working with existing keys
if agent.keys.len > 0 {
console.print_header('Working with existing keys...')
for i, key in agent.keys {
console.print_debug('Key ${i + 1}: ${key.name}')
console.print_debug(' Type: ${key.cat}')
console.print_debug(' Loaded: ${key.loaded}')
console.print_debug(' Email: ${key.email}')
if !key.loaded {
console.print_debug(' Loading key...')
mut key_mut := key
key_mut.load() or {
console.print_debug(' Failed to load: ${err}')
continue
}
console.print_debug(' Key loaded successfully')
}
}
}
// Example: Add a key from private key content
console.print_header('Example: Adding a key from content...')
console.print_debug('Note: This would normally use real private key content')
console.print_debug('For security, we skip this in the example')
// Example: Generate and manage a new key
console.print_header('Example: Generate a new test key...')
test_key_name := 'test_key_example'
// Check if test key already exists
existing_key := agent.get(name: test_key_name) or {
console.print_debug('Test key does not exist, generating...')
// Generate new key
mut new_key := agent.generate(test_key_name, '')!
console.print_debug(' Generated new key: ${new_key.name}')
// Load it
new_key.load()!
console.print_debug(' Key loaded into agent')
new_key
}
console.print_debug('Test key exists: ${existing_key.name}')
// Show final agent status
console.print_header('Final SSH Agent Status:')
println(agent)
console.print_header('SSH Agent example completed successfully')

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# Hero SSH Agent Management Tool
The Hero SSH Agent Management Tool provides comprehensive SSH agent lifecycle management with cross-platform compatibility for macOS and Linux. It integrates seamlessly with shell profiles and implements intelligent SSH agent lifecycle management, automatic key discovery and loading, and remote key deployment capabilities.
## Features
- 🔐 **Single SSH Agent Instance Enforcement**: Ensures exactly one SSH agent is running with persistent socket management
- 🚀 **Smart Key Loading**: Auto-loads single keys from ~/.ssh/ directory with passphrase prompting
- 🌐 **Remote Key Deployment**: Interactive SSH key deployment to remote machines
- 🔄 **Agent Health Verification**: Comprehensive health checks through ssh-agent -l functionality
- 📝 **Shell Profile Integration**: Automatic initialization in shell profiles
- 🎯 **Cross-Platform**: Works on macOS and Linux
## Installation
The SSH agent functionality is built into the hero binary. After compiling hero:
```bash
./cli/compile.vsh
```
The hero binary will be available at `/Users/mahmoud/hero/bin/hero`
## Commands
### `hero sshagent profile`
Primary initialization command that ensures exactly one SSH agent is running on a consistent socket, performs health checks, manages agent lifecycle without losing existing keys, and automatically loads SSH keys when only one is present in ~/.ssh/ directory.
```bash
# Initialize SSH agent with smart key loading
hero sshagent profile
```
**Features:**
- Ensures single SSH agent instance
- Verifies agent health and responsiveness
- Auto-loads single SSH keys
- Updates shell profile for automatic initialization
- Preserves existing loaded keys
### `hero sshagent list`
Lists all available SSH keys and their current status.
```bash
# List all SSH keys
hero sshagent list
```
### `hero sshagent status`
Shows comprehensive SSH agent status and diagnostics.
```bash
# Show agent status
hero sshagent status
```
### `hero sshagent generate`
Generates a new SSH key pair.
```bash
# Generate new SSH key
hero sshagent generate -n my_new_key
# Generate and immediately load
hero sshagent generate -n my_new_key -l
```
### `hero sshagent load`
Loads a specific SSH key into the agent.
```bash
# Load specific key
hero sshagent load -n my_key
```
### `hero sshagent forget`
Removes a specific SSH key from the agent.
```bash
# Remove key from agent
hero sshagent forget -n my_key
```
### `hero sshagent reset`
Removes all loaded SSH keys from the agent.
```bash
# Reset agent (remove all keys)
hero sshagent reset
```
### `hero sshagent push`
Interactive SSH key deployment to remote machines with automatic key selection when multiple keys exist, target specification via user@hostname format, and streamlined single-key auto-selection.
```bash
# Deploy SSH key to remote machine
hero sshagent push -t user@hostname
# Deploy specific key to remote machine
hero sshagent push -t user@hostname -k my_key
# Deploy to custom port
hero sshagent push -t user@hostname:2222
```
**Features:**
- Automatic key selection when only one key exists
- Interactive key selection for multiple keys
- Support for custom SSH ports
- Uses ssh-copy-id when available, falls back to manual deployment
### `hero sshagent auth`
Remote SSH key authorization ensuring proper key installation on target machines, support for explicit key specification via -key parameter, and verification of successful key addition.
```bash
# Verify SSH key authorization
hero sshagent auth -t user@hostname
# Verify specific key authorization
hero sshagent auth -t user@hostname -k my_key
```
## Examples
### Basic Workflow
```bash
# 1. Initialize SSH agent
hero sshagent profile
# 2. Check status
hero sshagent status
# 3. Generate a new key if needed
hero sshagent generate -n production_key
# 4. Load the key
hero sshagent load -n production_key
# 5. Deploy to remote server
hero sshagent push -t user@production-server.com
# 6. Verify authorization
hero sshagent auth -t user@production-server.com
```
### Advanced Usage
```bash
# Deploy specific key to multiple servers
hero sshagent push -t user@server1.com -k production_key
hero sshagent push -t user@server2.com:2222 -k production_key
# Verify access to all servers
hero sshagent auth -t user@server1.com -k production_key
hero sshagent auth -t user@server2.com:2222 -k production_key
# List all keys and their status
hero sshagent list
# Reset agent if needed
hero sshagent reset
```
## Technical Specifications
### Cross-Platform Compatibility
- **Socket Management**: Uses ~/.ssh/hero-agent.sock for consistent socket location
- **Shell Integration**: Supports ~/.profile, ~/.bash_profile, ~/.bashrc, and ~/.zshrc
- **Process Management**: Robust SSH agent lifecycle management
- **Platform Support**: macOS and Linux (Windows not supported)
### Security Features
- **Single Agent Enforcement**: Prevents multiple conflicting agents
- **Secure Socket Paths**: Uses user home directory for socket files
- **Proper Permissions**: Ensures correct file permissions (0700 for .ssh, 0600 for keys)
- **Input Validation**: Validates all user inputs and target specifications
- **Connection Testing**: Verifies SSH connections before reporting success
### Error Handling
- **Network Connectivity**: Handles network failures gracefully
- **Authentication Failures**: Provides clear error messages for auth issues
- **Key Management**: Validates key existence and format
- **Target Validation**: Ensures proper target format (user@hostname[:port])
## Environment Variables
- `HERO_DEBUG=1`: Enable debug output for troubleshooting
## Integration with Development Environments
The tool is designed to work seamlessly with development environments:
- **Preserves existing SSH agent state** during initialization
- **Non-destructive operations** that don't interfere with existing workflows
- **Shell profile integration** for automatic initialization
- **Compatible with existing SSH configurations**
## Troubleshooting
### Common Issues
1. **Multiple SSH agents running**
```bash
hero sshagent profile # Will cleanup and ensure single agent
```
2. **Keys not loading**
```bash
hero sshagent status # Check agent status
hero sshagent reset # Reset if needed
```
3. **Remote deployment failures**
```bash
hero sshagent auth -t user@hostname # Verify connectivity
```
### Debug Mode
Enable debug output for detailed troubleshooting:
```bash
HERO_DEBUG=1 hero sshagent profile
```
## Shell Profile Integration
The `hero sshagent profile` command automatically adds initialization code to your shell profile:
```bash
# Hero SSH Agent initialization
if [ -f "/Users/username/.ssh/hero-agent.sock" ]; then
export SSH_AUTH_SOCK="/Users/username/.ssh/hero-agent.sock"
fi
```
This ensures the SSH agent is available in new shell sessions.

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#!/usr/bin/env -S v -n -w -gc none -cc tcc -d use_openssl -enable-globals run
import os
import freeflowuniverse.herolib.ui.console
// Test script for Hero SSH Agent functionality
// This script demonstrates the key features of the hero sshagent command
fn main() {
console.print_header('🔑 Hero SSH Agent Test Suite')
os.execute('${os.dir(os.dir(@FILE))}/cli/compile.vsh')
hero_bin := '${os.home_dir()}/hero/bin/hero'
// Check if hero binary exists
if !os.exists(hero_bin) {
console.print_stderr('Hero binary not found at ${hero_bin}')
console.print_stderr('Please compile hero first with: ./cli/compile.vsh')
exit(1)
}
console.print_green(' Hero binary found at ${hero_bin}')
// Test 1: Profile initialization
console.print_header('Test 1: Profile Initialization')
result1 := os.execute('${hero_bin} sshagent profile')
if result1.exit_code == 0 && result1.output.contains('Hero SSH Agent Profile Initialization') {
console.print_green(' Profile initialization successful')
} else {
console.print_stderr(' Profile initialization failed: ${result1.output}')
}
// Test 2: Status check
console.print_header('Test 2: Status Check')
result2 := os.execute('${hero_bin} sshagent status')
if result2.exit_code == 0 && result2.output.contains("- SSH Agent Status") {
console.print_green(' Status check successful')
println(result2.output)
} else {
console.print_stderr(' Status check failed: ${result2.output}')
}
// Test 3: List keys
console.print_header('Test 3: List SSH Keys')
result3 := os.execute('${hero_bin} sshagent list')
if result3.exit_code == 0 && result3.output.contains('SSH Keys Status') {
console.print_green(' List keys successful')
println(result3.output)
} else {
console.print_stderr(' List keys failed: ${result3.output}')
}
// Test 4: Generate test key
console.print_header('Test 4: Generate Test Key')
test_key_name := 'hero_test_${os.getpid()}'
result4 := os.execute('${hero_bin} sshagent generate -n ${test_key_name}')
if result4.exit_code == 0 && result4.output.contains('Generating SSH key') {
console.print_green(' Key generation successful')
println(result4.output)
// Cleanup: remove test key files
test_key_path := '${os.home_dir()}/.ssh/${test_key_name}'
test_pub_path := '${test_key_path}.pub'
if os.exists(test_key_path) {
os.rm(test_key_path) or {}
console.print_debug('Cleaned up test private key')
}
if os.exists(test_pub_path) {
os.rm(test_pub_path) or {}
console.print_debug('Cleaned up test public key')
}
} else {
console.print_stderr(' Key generation failed: ${result4.output}')
}
// Test 5: Help output
console.print_header('Test 5: Help Output')
result5 := os.execute('${hero_bin} sshagent')
if result5.exit_code == 1 && result5.output.contains('Hero SSH Agent Management Tool') {
console.print_green(' Help output is correct')
} else {
console.print_stderr(' Help output unexpected')
}
console.print_header('🎉 Test Suite Complete')
console.print_green('Hero SSH Agent is ready for use!')
// Show usage examples
console.print_header('Usage Examples:')
println('')
println('Initialize SSH agent:')
println(' ${hero_bin} sshagent profile')
println('')
println('Check status:')
println(' ${hero_bin} sshagent status')
println('')
println('Deploy key to remote server:')
println(' ${hero_bin} sshagent push -t user@server.com')
println('')
println('Verify authorization:')
println(' ${hero_bin} sshagent auth -t user@server.com')
println('')
println('For more examples, see: examples/sshagent/hero_sshagent_examples.md')
}

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#!/usr/bin/env -S v -n -w -gc none -cc tcc -d use_openssl -enable-globals run
import freeflowuniverse.herolib.osal.tmux
import freeflowuniverse.herolib.osal.core as osal
import time
import os
// Configuration
const session_name = 'server_dashboard'
const window_name = 'dashboard'
const python_port = 8000
const ttyd_port = 7890
// Command line argument handling
fn show_help() {
println('=== Tmux Server Dashboard ===')
println('Usage:')
println(' ${os.args[0]} # Start the dashboard')
println(' ${os.args[0]} -editable # Start dashboard with editable ttyd')
println(' ${os.args[0]} -down # Stop dashboard and cleanup')
println(' ${os.args[0]} -status # Show dashboard status')
println(' ${os.args[0]} -restart # Restart the dashboard')
println(' ${os.args[0]} -help # Show this help')
println('')
println('Dashboard includes:')
println(' Python HTTP Server (port ${python_port})')
println(' Counter service (updates every 5 seconds)')
println(' Hero Web (compile and run hero web server)')
println(' CPU Monitor (htop)')
println(' Web access via ttyd (port ${ttyd_port})')
println('')
println('ttyd modes:')
println(' Default: read-only access to terminal')
println(' -editable: allows writing/editing in the terminal')
}
fn stop_dashboard() ! {
println('=== Stopping Dashboard ===')
// Kill ttyd processes
println('Stopping ttyd processes...')
os.execute('pkill ttyd')
// Kill tmux session
println('Stopping tmux session...')
mut t := tmux.new()!
if t.session_exist(session_name) {
mut session := t.session_get(session_name)!
session.stop()!
println(' Tmux session "${session_name}" stopped')
} else {
println(' Session "${session_name}" not found')
}
// Check for any remaining processes on our ports
println('Checking for processes on ports...')
// Check Python server port
python_check := os.execute('lsof -i :${python_port}')
if python_check.exit_code == 0 {
println(' Found processes on port ${python_port}')
println(python_check.output)
} else {
println(' Port ${python_port} is free')
}
// Check ttyd port
ttyd_check := os.execute('lsof -i :${ttyd_port}')
if ttyd_check.exit_code == 0 {
println(' Found processes on port ${ttyd_port}')
println(ttyd_check.output)
} else {
println(' Port ${ttyd_port} is free')
}
println('=== Dashboard stopped ===')
}
fn show_status() ! {
println('=== Dashboard Status ===')
mut t := tmux.new()!
// Check tmux session
if t.session_exist(session_name) {
println(' Tmux session "${session_name}" is running')
mut session := t.session_get(session_name)!
mut window := session.window_get(name: window_name) or {
println(' Window "${window_name}" not found')
return
}
println(' Window "${window_name}" exists with ${window.panes.len} panes')
// Show pane details
for i, pane in window.panes {
service_name := match i {
0 { 'Python HTTP Server' }
1 { 'Counter Service' }
2 { 'Hero Web Service' }
3 { 'CPU Monitor' }
else { 'Service ${i + 1}' }
}
mut pane_mut := pane
stats := pane_mut.stats() or {
println(' Pane ${i + 1} (${service_name}): ID=%${pane.id}, PID=${pane.pid} (stats unavailable)')
continue
}
memory_mb := f64(stats.memory_bytes) / (1024.0 * 1024.0)
println(' Pane ${i + 1} (${service_name}): ID=%${pane.id}, CPU=${stats.cpu_percent:.1f}%, Memory=${memory_mb:.1f}MB')
}
} else {
println(' Tmux session "${session_name}" not running')
}
// Check ports
python_check := os.execute('lsof -i :${python_port}')
if python_check.exit_code == 0 {
println(' Python server running on port ${python_port}')
} else {
println(' No process on port ${python_port}')
}
ttyd_check := os.execute('lsof -i :${ttyd_port}')
if ttyd_check.exit_code == 0 {
println(' ttyd running on port ${ttyd_port}')
} else {
println(' No process on port ${ttyd_port}')
}
println('')
println('Access URLs:')
println(' Python Server: http://localhost:${python_port}')
println(' Web Terminal: http://localhost:${ttyd_port}')
println(' Tmux attach: tmux attach-session -t ${session_name}')
}
fn restart_dashboard() ! {
println('=== Restarting Dashboard ===')
stop_dashboard()!
time.sleep(2000 * time.millisecond) // Wait 2 seconds
start_dashboard()!
}
fn start_dashboard_with_mode(ttyd_editable bool) ! {
println('=== Server Dashboard with 4 Panes ===')
println('Setting up tmux session with:')
println(' 1. Python HTTP Server (port ${python_port})')
println(' 2. Counter Service (updates every 5 seconds)')
println(' 3. Hero Web (compile and run hero web server)')
println(' 4. CPU Monitor (htop)')
println('')
// Initialize tmux
mut t := tmux.new()!
if !t.is_running()! {
println('Starting tmux server...')
t.start()!
}
// Clean up existing session if it exists
if t.session_exist(session_name) {
println('Cleaning up existing ${session_name} session...')
t.session_delete(session_name)!
}
// Create new session
println('Creating ${session_name} session...')
mut session := t.session_create(name: session_name)!
// Create main window with initial bash shell
println('Creating dashboard window...')
mut window := session.window_new(name: window_name, cmd: 'bash', reset: true)!
// Wait for initial setup
time.sleep(500 * time.millisecond)
t.scan()!
println('\n=== Setting up 4-pane layout ===')
// Get the main window
window = session.window_get(name: window_name)!
// Split horizontally first (left and right halves)
println('1. Splitting horizontally for left/right layout...')
mut right_pane := window.pane_split_horizontal('bash')!
time.sleep(300 * time.millisecond)
window.scan()!
// Split left pane vertically (top-left and bottom-left)
println('2. Splitting left pane vertically...')
window.scan()!
if window.panes.len >= 2 {
mut left_pane := window.panes[0] // First pane should be the left one
left_pane.select()!
time.sleep(200 * time.millisecond)
mut bottom_left_pane := window.pane_split_vertical('bash')!
time.sleep(300 * time.millisecond)
window.scan()!
}
// Split right pane vertically (top-right and bottom-right)
println('3. Splitting right pane vertically...')
window.scan()!
if window.panes.len >= 3 {
// Find the rightmost pane (should be the last one after horizontal split)
mut right_pane_current := window.panes[window.panes.len - 1]
right_pane_current.select()!
time.sleep(200 * time.millisecond)
mut bottom_right_pane := window.pane_split_vertical('bash')!
time.sleep(300 * time.millisecond)
window.scan()!
}
// Set a proper 2x2 tiled layout using tmux command
println('4. Setting 2x2 tiled layout...')
os.execute('tmux select-layout -t ${session_name}:${window_name} tiled')
time.sleep(500 * time.millisecond)
window.scan()!
println('5. Layout complete! We now have 4 panes in 2x2 grid.')
// Refresh to get all panes
window.scan()!
println('\nCurrent panes: ${window.panes.len}')
for i, pane in window.panes {
println(' Pane ${i}: ID=%${pane.id}, PID=${pane.pid}')
}
if window.panes.len < 4 {
eprintln('Expected 4 panes, but got ${window.panes.len}')
exit(1)
}
println('\n=== Starting services in each pane ===')
// Pane 1 (top-left): Python HTTP Server
println('Starting Python HTTP Server in pane 1...')
mut pane1 := window.panes[0]
pane1.select()!
pane1.send_command('echo "=== Python HTTP Server Port 8000 ==="')!
pane1.send_command('cd /tmp && python3 -m http.server ${python_port}')!
time.sleep(500 * time.millisecond)
// Pane 2 (bottom-left): Counter Service
println('Starting Counter Service in pane 2...')
mut pane2 := window.panes[1]
pane2.select()!
pane2.send_command('echo "=== Counter Service - Updates every 5 seconds ==="')!
pane2.send_command('while true; do echo "Count: $(date)"; sleep 5; done')!
time.sleep(500 * time.millisecond)
// Pane 3 (top-right): Hero Web
println('Starting Hero Web in pane 3...')
mut pane3 := window.panes[2]
pane3.select()!
pane3.send_command('echo "=== Hero Web Server ==="')!
pane3.send_command('hero web')!
time.sleep(500 * time.millisecond)
// Pane 4 (bottom-right): CPU Monitor
println('Starting CPU Monitor in pane 4...')
mut pane4 := window.panes[3]
pane4.select()!
pane4.send_command('echo "=== CPU Monitor ==="')!
pane4.send_command('htop')!
println('\n=== All services started! ===')
// Wait a moment for services to initialize
time.sleep(2000 * time.millisecond)
// Refresh and show current state
t.scan()!
window = session.window_get(name: window_name)!
println('\n=== Current Dashboard State ===')
for i, mut pane in window.panes {
stats := pane.stats() or {
println(' Pane ${i + 1}: ID=%${pane.id}, PID=${pane.pid} (stats unavailable)')
continue
}
memory_mb := f64(stats.memory_bytes) / (1024.0 * 1024.0)
service_name := match i {
0 { 'Python Server' }
1 { 'Counter Service' }
2 { 'Hero Web' }
3 { 'CPU Monitor' }
else { 'Unknown' }
}
println(' Pane ${i + 1} (${service_name}): ID=%${pane.id}, CPU=${stats.cpu_percent:.1f}%, Memory=${memory_mb:.1f}MB')
}
println('\n=== Access Information ===')
println(' Python HTTP Server: http://localhost:${python_port}')
println(' Tmux Session: tmux attach-session -t ${session_name}')
println('')
println('=== Pane Resize Commands ===')
println('To resize panes, attach to the session and use:')
println(' Ctrl+B then Arrow Keys (hold Ctrl+B and press arrow keys)')
println(' Or programmatically:')
for i, pane in window.panes {
service_name := match i {
0 { 'Python Server' }
1 { 'Counter Service' }
2 { 'Hero Web' }
3 { 'CPU Monitor' }
else { 'Unknown' }
}
println(' # Resize ${service_name} pane:')
println(' tmux resize-pane -t ${session_name}:${window_name}.%${pane.id} -U 5 # Up')
println(' tmux resize-pane -t ${session_name}:${window_name}.%${pane.id} -D 5 # Down')
println(' tmux resize-pane -t ${session_name}:${window_name}.%${pane.id} -L 5 # Left')
println(' tmux resize-pane -t ${session_name}:${window_name}.%${pane.id} -R 5 # Right')
}
println('\n=== Dashboard is running! ===')
println('Attach to view: tmux attach-session -t ${session_name}')
println('Press Ctrl+B then d to detach from session')
println('To stop all services: tmux kill-session -t ${session_name}')
println('Running the browser-based dashboard: TTYD')
mode_str := if ttyd_editable { 'editable' } else { 'read-only' }
println('Starting ttyd in ${mode_str} mode...')
window.run_ttyd(port: ttyd_port, editable: ttyd_editable) or {
println('Failed to start ttyd: ${err}')
}
}
fn start_dashboard() ! {
start_dashboard_with_mode(false)!
}
fn main() {
mut ttyd_editable := false // Local flag for ttyd editable mode
// Main execution with argument handling
if os.args.len > 1 {
command := os.args[1]
match command {
'-editable' {
ttyd_editable = true
start_dashboard_with_mode(ttyd_editable) or {
eprintln('Error starting dashboard: ${err}')
exit(1)
}
}
'-down' {
stop_dashboard() or {
eprintln('Error stopping dashboard: ${err}')
exit(1)
}
}
'-status' {
show_status() or {
eprintln('Error getting status: ${err}')
exit(1)
}
}
'-restart' {
restart_dashboard() or {
eprintln('Error restarting dashboard: ${err}')
exit(1)
}
}
'-help', '--help', '-h' {
show_help()
}
else {
eprintln('Unknown command: ${command}')
show_help()
exit(1)
}
}
} else {
// No arguments - start the dashboard
start_dashboard_with_mode(ttyd_editable) or {
eprintln('Error starting dashboard: ${err}')
exit(1)
}
}
}

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examples/tmux/tmux.vsh Executable file
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#!/usr/bin/env -S v -n -w -gc none -cc tcc -d use_openssl -enable-globals run
import freeflowuniverse.herolib.osal.tmux
import freeflowuniverse.herolib.osal.core as osal
import time
// Constants for display formatting
const bytes_to_mb = 1024.0 * 1024.0
const cpu_precision = 1
const memory_precision = 3
println('=== Tmux Pane Example ===')
mut t := tmux.new()!
if !t.is_running()! {
println('Starting tmux server...')
t.start()!
}
if t.session_exist('demo') {
println('Deleting existing demo session...')
t.session_delete('demo')!
}
// Create session and window
println('Creating demo session...')
mut session := t.session_create(name: 'demo')!
println('Creating main window with htop...')
mut window := session.window_new(name: 'main', cmd: 'htop', reset: true)!
// Wait a moment for the window to be created
time.sleep(500 * time.millisecond)
// Refresh to get current state
t.scan()!
println('\n=== Current Tmux State ===')
println(t)
// Get the window and demonstrate pane functionality
mut main_window := session.window_get(name: 'main')!
println('\n=== Window Pane Information ===')
println('Window: ${main_window.name} (ID: ${main_window.id})')
println('Number of panes: ${main_window.panes.len}')
for i, mut pane in main_window.panes {
println('Pane ${i}: ID=%${pane.id}, PID=${pane.pid}, Active=${pane.active}, Cmd="${pane.cmd}"')
// Get pane stats
stats := pane.stats() or {
println(' Could not get stats: ${err}')
continue
}
memory_mb := f64(stats.memory_bytes) / bytes_to_mb
println(' CPU: ${stats.cpu_percent:.1f}%, Memory: ${stats.memory_percent:.3f}% (${memory_mb:.1f} MB)')
}
// Get the active pane
if mut active_pane := main_window.pane_active() {
println('\n=== Active Pane Details ===')
println('Active pane ID: %${active_pane.id}')
println('Process ID: ${active_pane.pid}')
println('Command: ${active_pane.cmd}')
// Get process information
process_info := active_pane.processinfo_main() or {
println('Could not get process info: ${err}')
osal.ProcessInfo{}
}
if process_info.pid > 0 {
println('Process info: PID=${process_info.pid}, Command=${process_info.cmd}')
}
// Get recent logs
println('\n=== Recent Pane Output ===')
logs := active_pane.logs_all() or {
println('Could not get logs: ${err}')
''
}
if logs.len > 0 {
lines := logs.split_into_lines()
// Show last 5 lines
start_idx := if lines.len > 5 { lines.len - 5 } else { 0 }
for i in start_idx .. lines.len {
if lines[i].trim_space().len > 0 {
println(' ${lines[i]}')
}
}
}
} else {
println('No active pane found')
}
println('\n=== Creating Additional Windows ===')
// Create more windows to demonstrate multiple panes
mut monitor_window := session.window_new(name: 'monitor', cmd: 'top', reset: true)!
mut logs_window := session.window_new(name: 'logs', cmd: 'tail -f /var/log/system.log', reset: true)!
time.sleep(500 * time.millisecond)
t.scan()!
println('\n=== Final Tmux State ===')
println(t)
println('\n=== Window Statistics ===')
for mut win in session.windows {
println('Window: ${win.name}')
window_stats := win.stats() or {
println(' Could not get window stats: ${err}')
continue
}
memory_mb := f64(window_stats.memory_bytes) / bytes_to_mb
println(' Total CPU: ${window_stats.cpu_percent:.1f}%')
println(' Total Memory: ${window_stats.memory_percent:.3f}% (${memory_mb:.1f} MB)')
println(' Panes: ${win.panes.len}')
}

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#!/usr/bin/env -S v -n -w -gc none -cc tcc -d use_openssl -enable-globals run
import freeflowuniverse.herolib.osal.tmux
import time
println('=== Tmux Pane Resizing Example ===')
mut t := tmux.new()!
if !t.is_running()! {
println('Starting tmux server...')
t.start()!
}
if t.session_exist('resize_demo') {
println('Deleting existing resize_demo session...')
t.session_delete('resize_demo')!
}
// Create session and window
println('Creating resize_demo session...')
mut session := t.session_create(name: 'resize_demo')!
println('Creating main window...')
mut window := session.window_new(name: 'main', cmd: 'bash', reset: true)!
time.sleep(500 * time.millisecond)
t.scan()!
// Create a 2x2 grid of panes
println('\n=== Creating 2x2 Grid of Panes ===')
// Split horizontally first (left | right)
mut right_pane := window.pane_split_horizontal('htop')!
time.sleep(300 * time.millisecond)
// Split left pane vertically (top-left, bottom-left)
window.scan()!
if window.panes.len > 1 {
mut left_pane := window.panes[1] // The original bash pane
left_pane.select()!
time.sleep(200 * time.millisecond)
}
mut bottom_left_pane := window.pane_split_vertical('top')!
time.sleep(300 * time.millisecond)
// Split right pane vertically (top-right, bottom-right)
window.scan()!
for mut pane in window.panes {
if pane.cmd.contains('htop') {
pane.select()!
break
}
}
time.sleep(200 * time.millisecond)
mut bottom_right_pane := window.pane_split_vertical('tail -f /var/log/system.log')!
time.sleep(500 * time.millisecond)
window.scan()!
println('Created 2x2 grid with ${window.panes.len} panes:')
for i, pane in window.panes {
println(' Pane ${i}: ID=%${pane.id}, Cmd="${pane.cmd}"')
}
// Demonstrate resizing operations
println('\n=== Demonstrating Pane Resizing ===')
// Get references to panes for resizing
window.scan()!
if window.panes.len >= 4 {
mut top_left := window.panes[1] // bash
mut top_right := window.panes[0] // htop
mut bottom_left := window.panes[2] // top
mut bottom_right := window.panes[3] // tail
println('Resizing top-left pane (bash) to be wider...')
top_left.select()!
time.sleep(200 * time.millisecond)
top_left.resize_right(10)!
time.sleep(1000 * time.millisecond)
println('Resizing top-right pane (htop) to be taller...')
top_right.select()!
time.sleep(200 * time.millisecond)
top_right.resize_down(5)!
time.sleep(1000 * time.millisecond)
println('Resizing bottom-left pane (top) to be narrower...')
bottom_left.select()!
time.sleep(200 * time.millisecond)
bottom_left.resize_left(5)!
time.sleep(1000 * time.millisecond)
println('Resizing bottom-right pane (tail) to be shorter...')
bottom_right.select()!
time.sleep(200 * time.millisecond)
bottom_right.resize_up(3)!
time.sleep(1000 * time.millisecond)
// Demonstrate using the generic resize method
println('Using generic resize method to make top-left pane taller...')
top_left.select()!
time.sleep(200 * time.millisecond)
top_left.resize(direction: 'down', cells: 3)!
time.sleep(1000 * time.millisecond)
}
// Send some commands to make the panes more interesting
println('\n=== Adding Content to Panes ===')
window.scan()!
if window.panes.len >= 4 {
// Send commands to bash pane
mut bash_pane := window.panes[1]
bash_pane.send_command('echo "=== Bash Pane ==="')!
bash_pane.send_command('ls -la')!
bash_pane.send_command('pwd')!
time.sleep(500 * time.millisecond)
// Send command to top pane
mut top_pane := window.panes[2]
top_pane.send_command('echo "=== Top Pane ==="')!
time.sleep(500 * time.millisecond)
}
println('\n=== Final Layout ===')
t.scan()!
println('Session: ${session.name}')
println('Window: ${window.name} (${window.panes.len} panes)')
for i, pane in window.panes {
println(' ${i + 1}. Pane %${pane.id} - ${pane.cmd}')
}
println('\n=== Pane Resize Operations Available ===')
println(' resize_up(cells) - Make pane taller by shrinking pane above')
println(' resize_down(cells) - Make pane taller by shrinking pane below')
println(' resize_left(cells) - Make pane wider by shrinking pane to the left')
println(' resize_right(cells) - Make pane wider by shrinking pane to the right')
println(' resize(direction: "up/down/left/right", cells: N) - Generic resize method')
println('\nExample completed! You can attach to the session with:')
println(' tmux attach-session -t resize_demo')
println('\nThen use Ctrl+B followed by arrow keys to manually resize panes,')
println('or Ctrl+B followed by Alt+arrow keys for larger resize steps.')

170
examples/tmux/tmux_panes.vsh Executable file
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#!/usr/bin/env -S v -n -w -gc none -cc tcc -d use_openssl -enable-globals run
import freeflowuniverse.herolib.osal.tmux
import time
println('=== Tmux Pane Splitting Example ===')
mut t := tmux.new()!
if !t.is_running()! {
println('Starting tmux server...')
t.start()!
}
if t.session_exist('panes_demo') {
println('Deleting existing panes_demo session...')
t.session_delete('panes_demo')!
}
// Create session and initial window
println('Creating panes_demo session...')
mut session := t.session_create(name: 'panes_demo')!
println('Creating main window...')
mut window := session.window_new(name: 'main', cmd: 'bash', reset: true)!
// Wait for initial setup
time.sleep(500 * time.millisecond)
t.scan()!
println('\n=== Initial State ===')
println('Window: ${window.name} (ID: ${window.id})')
println('Number of panes: ${window.panes.len}')
// Split the window horizontally (side by side)
println('\n=== Splitting Horizontally (Side by Side) ===')
mut right_pane := window.pane_split_horizontal('htop')!
time.sleep(500 * time.millisecond)
window.scan()!
println('After horizontal split:')
println('Number of panes: ${window.panes.len}')
for i, mut pane in window.panes {
println(' Pane ${i}: ID=%${pane.id}, PID=${pane.pid}, Active=${pane.active}, Cmd="${pane.cmd}"')
}
// Split the right pane vertically (top and bottom)
println('\n=== Splitting Right Pane Vertically (Top and Bottom) ===')
// Get a fresh reference to the right pane after the first split
window.scan()!
if window.panes.len > 0 {
// Find the pane with htop command (the one we just created)
mut right_pane_fresh := &window.panes[0]
for mut pane in window.panes {
if pane.cmd.contains('htop') {
right_pane_fresh = pane
break
}
}
// Select the right pane to make it active
right_pane_fresh.select()!
time.sleep(200 * time.millisecond)
}
mut bottom_pane := window.pane_split_vertical('top')!
time.sleep(500 * time.millisecond)
window.scan()!
println('After vertical split of right pane:')
println('Number of panes: ${window.panes.len}')
for i, mut pane in window.panes {
println(' Pane ${i}: ID=%${pane.id}, PID=${pane.pid}, Active=${pane.active}, Cmd="${pane.cmd}"')
}
// Send commands to different panes
println('\n=== Sending Commands to Panes ===')
// Get the first pane (left side) and send some commands
if window.panes.len > 0 {
mut left_pane := window.panes[0]
println('Sending commands to left pane (ID: %${left_pane.id})')
left_pane.send_command('echo "Hello from left pane!"')!
time.sleep(200 * time.millisecond)
left_pane.send_command('ls -la')!
time.sleep(200 * time.millisecond)
left_pane.send_command('pwd')!
time.sleep(200 * time.millisecond)
}
// Send command to bottom pane
if window.panes.len > 2 {
mut bottom_pane_ref := window.panes[2]
println('Sending command to bottom pane (ID: %${bottom_pane_ref.id})')
bottom_pane_ref.send_command('echo "Hello from bottom pane!"')!
time.sleep(200 * time.millisecond)
}
// Capture output from panes
println('\n=== Capturing Pane Output ===')
for i, mut pane in window.panes {
println('Output from Pane ${i} (ID: %${pane.id}):')
logs := pane.logs_all() or {
println(' Could not get logs: ${err}')
continue
}
if logs.len > 0 {
lines := logs.split_into_lines()
// Show last 3 lines
start_idx := if lines.len > 3 { lines.len - 3 } else { 0 }
for j in start_idx .. lines.len {
if lines[j].trim_space().len > 0 {
println(' ${lines[j]}')
}
}
}
println('')
}
// Demonstrate pane selection
println('\n=== Demonstrating Pane Selection ===')
for i, mut pane in window.panes {
println('Selecting pane ${i} (ID: %${pane.id})')
pane.select()!
time.sleep(300 * time.millisecond)
}
// Final state
println('\n=== Final Tmux State ===')
t.scan()!
println(t)
println('\n=== Pane Management Summary ===')
println('Created ${window.panes.len} panes in window "${window.name}":')
for i, pane in window.panes {
println(' ${i + 1}. Pane %${pane.id} - PID: ${pane.pid} - Command: ${pane.cmd}')
}
// Demonstrate killing a pane
println('\n=== Demonstrating Pane Killing ===')
if window.panes.len > 2 {
mut pane_to_kill := window.panes[2] // Kill the bottom pane
println('Killing pane %${pane_to_kill.id} (${pane_to_kill.cmd})')
pane_to_kill.kill()!
time.sleep(500 * time.millisecond)
window.scan()!
println('After killing pane:')
println('Number of panes: ${window.panes.len}')
for i, pane in window.panes {
println(' Pane ${i}: ID=%${pane.id}, PID=${pane.pid}, Cmd="${pane.cmd}"')
}
}
println('\n=== Available Pane Operations ===')
println(' Split panes horizontally (side by side)')
println(' Split panes vertically (top and bottom)')
println(' Send commands to specific panes')
println(' Send raw keys to panes')
println(' Select/activate panes')
println(' Capture pane output')
println(' Get pane process information')
println(' Kill individual panes')
println('\nExample completed! You can attach to the session with:')
println(' tmux attach-session -t panes_demo')