ppnctl

#!/bin/bash

# Function to display help message
show_help() {
    echo "Usage:"
    echo "  $0 run <cmd> [<duration>]"
    echo "  $0 ls"
    exit 1
}

# Function to kill a process based on a PID file
kill_process_from_pidfile() {
    local pid_file=$1

    # Check if the PID file exists
    if [ -f "$pid_file" ]; then
        # Read the PID from the file
        local pid=$(cat "$pid_file")

        # Check if the process with this PID is running and kill it
        if kill -0 "$pid" > /dev/null 2>&1; then
            echo "Process $pid is running. Attempting to kill it..."
            kill "$pid"
            
            # Optional: Remove the PID file after killing the process
            rm "$pid_file"
        else
            echo "Process $pid not found."
        fi
    else
        echo "PID file $pid_file does not exist."
    fi
}

# Check if at least one argument is provided
if [ $# -lt 1 ]; then
    echo "Error: Command not specified."
    show_help
fi

# Capture the current directory
CURRENT_DIR=$(pwd)

# Main command handling
case "$1" in
    serve)
        # run the 3 processes
        
        #echo "starting IPC server"        
        #python3 -m Matrix.driver.executor --scheduler > server.log 2> server_err.log &
        #echo "server started"


        #echo "starting Server "        
        #python3 -m Matrix.driver --scheduler --listen&> "${CURRENT_DIR}/executor.log" & echo $! > "${CURRENT_DIR}/executor.pid"
        #echo "server started"

        echo "starting API "        
        python3 -m Matrix.api.server  &> "${CURRENT_DIR}/server.log" & echo $! > "${CURRENT_DIR}/api.pid"
        echo "server started"

        sleep 2

        echo "starting UI "
        cd pixel-pulse-neo-client ; npm start &> "${CURRENT_DIR}/ui.log" & echo $! > "${CURRENT_DIR}/ui.pid"
        echo "server started"

        ;;
 
    stop)
        
        #kill_process_from_pidfile "${CURRENT_DIR}/ui.pid"
        killall -9 node

        kill_process_from_pidfile "${CURRENT_DIR}/api.pid"

        ;;
    run)
        # Default value for duration
        duration=200

        # Check if command is provided
        if [ -z "$2" ]; then
            echo "Error: 'run' command requires a cmd argument."
            show_help
        fi

        # Check if duration is provided
        if [ -n "$3" ]; then
            duration="$3"
        fi

        # Calling the Python script for 'run'
        python3 -m Matrix.driver.executor -c "$2" -d "$duration"
        ;;

    ls)
        # Calling the Python script for 'ls'
        python3 -m Matrix.driver.executor -l
        ;;

    *)
        echo "Error: Unknown command '$1'."
        show_help
        ;;
esac