#!/bin/bash
#
# php-fpm - PHP FastCGI Process Manager
# chkconfig: - 85 15
# description: PHP FastCGI Process Manager
# processname: php-fpm
# config: /usr/local/php/etc/php-fpm.conf
# pidfile: /usr/local/php/var/run/php-fpm.pid

prefix=/usr/local/php
exec_prefix=${prefix}

php_fpm_BIN=${exec_prefix}/sbin/php-fpm
php_fpm_CONF=${prefix}/etc/php-fpm.conf
php_fpm_PID=${prefix}/var/run/php-fpm.pid

php_opts="--fpm-config $php_fpm_CONF --pid $php_fpm_PID"

wait_for_pid () {
    try=0
    while test $try -lt 35 ; do
        case "$1" in
            'created')
            if [ -f "$2" ] ; then
                try=''
                break
            fi
            ;;
            'removed')
            if [ ! -f "$2" ] ; then
                try=''
                break
            fi
            ;;
        esac
        echo -n .
        try=`expr $try + 1`
        sleep 1
    done
}

case "$1" in
    start)
        echo -n "Starting php-fpm "
        $php_fpm_BIN --daemonize $php_opts
        if [ "$?" != 0 ] ; then
            echo " failed"
            exit 1
        fi
        wait_for_pid created $php_fpm_PID
        if [ -n "$try" ] ; then
            echo " failed"
            exit 1
        else
            echo " done"
        fi
    ;;
    stop)
        echo -n "Gracefully shutting down php-fpm "
        if [ ! -r $php_fpm_PID ] ; then
            echo "warning, no pid file found - php-fpm is not running ?"
            exit 1
        fi
        kill -QUIT `cat $php_fpm_PID`
        wait_for_pid removed $php_fpm_PID
        if [ -n "$try" ] ; then
            echo " failed. Use force-quit"
            exit 1
        else
            echo " done"
        fi
    ;;
    status)
        if [ ! -r $php_fpm_PID ] ; then
            echo "php-fpm is stopped"
            exit 0
        fi
        PID=`cat $php_fpm_PID`
        if ps -p $PID | grep -q $PID; then
            echo "php-fpm (pid $PID) is running..."
        else
            echo "php-fpm dead but pid file exists"
        fi
    ;;
    force-quit)
        echo -n "Terminating php-fpm "
        if [ ! -r $php_fpm_PID ] ; then
            echo "warning, no pid file found - php-fpm is not running ?"
            exit 1
        fi
        kill -TERM `cat $php_fpm_PID`
        wait_for_pid removed $php_fpm_PID
        if [ -n "$try" ] ; then
            echo " failed"
            exit 1
        else
            echo " done"
        fi
    ;;
    restart)
        $0 stop
        $0 start
    ;;
    reload)
        echo -n "Reload service php-fpm "
        if [ ! -r $php_fpm_PID ] ; then
            echo "warning, no pid file found - php-fpm is not running ?"
            exit 1
        fi
        kill -USR2 `cat $php_fpm_PID`
        echo " done"
    ;;
    configtest)
        $php_fpm_BIN -t
    ;;
    *)
        echo "Usage: $0 {start|stop|force-quit|restart|reload|status|configtest}"
        exit 1
    ;;
esac
