oled-openrc

#!/sbin/openrc-run

description="OLED Control Service"
pidfile="/run/oled.pid"
logfile="/var/log/oled.log"
workdir="/opt/oledctrl/oled"
venv="/opt/oledctrl/venv/bin/python3"
program="/opt/oledctrl/oled/oled.py"

start() {
    ebegin "Starting ${description}"
    
    if [ -f "${pidfile}" ]; then
        local pid=$(cat "${pidfile}")
        if kill -0 "$pid" 2>/dev/null; then
            eend 1 "Service already running (PID: $pid)"
            return 1
        fi
    fi
    
    cd "${workdir}"
    PYTHONUNBUFFERED=1 ${venv} ${program} >> "${logfile}" 2>&1 &
    echo $! > "${pidfile}"
    
    eend $?
}

stop() {
    ebegin "Stopping ${description}"
    
    if [ -f "${pidfile}" ]; then
        local pid=$(cat "${pidfile}")
        if kill -0 "$pid" 2>/dev/null; then
            kill -TERM "$pid"
            
            # Wait for process exit using SIGTERM
            local count=0
            while kill -0 "$pid" 2>/dev/null && [ $count -lt 15 ]; do
                sleep 1
                count=$((count + 1))
            done
            
            # If process is frozen, force terminate it
            if kill -0 "$pid" 2>/dev/null; then
                kill -9 "$pid"
            fi
        fi
        rm -f "${pidfile}"
    fi
    
    eend $?
}

status() {
    if [ -f "${pidfile}" ]; then
        local pid=$(cat "${pidfile}")
        if kill -0 "$pid" 2>/dev/null; then
            einfo "Service is running (PID: $pid)"
            return 0
        fi
    fi
    einfo "Service is stopped"
    return 1
}