#!/bin/sh
### BEGIN INIT INFO
# Provides:          php7.0-fpm
# Required-Start:    $remote_fs $network
# Required-Stop:     $remote_fs $network
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6	
# Short-Description: starts php7.0-fpm
# Description:       Starts The PHP FastCGI Process Manager Daemon
### END INIT INFO

# Author: Ondrej Sury <ondrej@debian.org>

setglobal PATH = '/sbin:/usr/sbin:/bin:/usr/bin'
setglobal DESC = '"PHP 7.0 FastCGI Process Manager'"
setglobal NAME = 'php-fpm7.0'
setglobal CONFFILE = '/etc/php/7.0/fpm/php-fpm.conf'
setglobal DAEMON = "/usr/sbin/$NAME"
setglobal DAEMON_ARGS = ""--daemonize --fpm-config $CONFFILE""
setglobal CONF_PIDFILE = $[sed -n 's/^pid[ =]*//p' $CONFFILE]
setglobal PIDFILE = $(CONF_PIDFILE:-/run/php/php7.0-fpm.pid)
setglobal TIMEOUT = '30'
setglobal SCRIPTNAME = "/etc/init.d/$NAME"

# Exit if the package is not installed
test -x $DAEMON || exit 0

# Read configuration variable file if it is present
test -r /etc/default/$NAME && source /etc/default/$NAME

# Load the VERBOSE setting and other rcS variables
source /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
source /lib/lsb/init-functions

#
# Function to check the correctness of the config file
#
proc do_check
{
    /usr/lib/php/php7.0-fpm-checkconf || return 1
    return 0
}

#
# Function that starts the daemon/service
#
proc do_start
{
	# Return
	#   0 if daemon has been started
	#   1 if daemon was already running
	#   2 if daemon could not be started
	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
		|| return 1
	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
		$DAEMON_ARGS !2 >/dev/null \
		|| return 2
	# Add code here, if necessary, that waits for the process to be ready
	# to handle requests from services started subsequently which depend
	# on this one.  As a last resort, sleep for some time.
}

#
# Function that stops the daemon/service
#
proc do_stop
{
	# Return
	#   0 if daemon has been stopped
	#   1 if daemon was already stopped
	#   2 if daemon could not be stopped
	#   other if a failure occurred
	start-stop-daemon --stop --quiet --retry=QUIT/$TIMEOUT/TERM/5/KILL/5 --pidfile $PIDFILE --name $NAME
	setglobal RETVAL = "$Status"
	test $RETVAL = 2 && return 2
	# Wait for children to finish too if this is a daemon that forks
	# and if the daemon is only ever run from this initscript.
	# If the above conditions are not satisfied then add some other code
	# that waits for the process to drop all resources that could be
	# needed by services started subsequently.  A last resort is to
	# sleep for some time.
	start-stop-daemon --stop --quiet --oknodo --retry=0/30/TERM/5/KILL/5 --exec $DAEMON
	test "$Status" = 2 && return 2
	# Many daemons don't delete their pidfiles when they exit.
	rm -f $PIDFILE
	return "$RETVAL"
}

#
# Function that sends a SIGHUP to the daemon/service
#
proc do_reload {
	#
	# If the daemon can reload its configuration without
	# restarting (for example, when it is sent a SIGHUP),
	# then implement that here.
	#
	start-stop-daemon --stop --signal USR2 --quiet --pidfile $PIDFILE --name $NAME
	return 0
}

proc do_tmpfiles {
    local type path mode user group

    test $1 != no && setglobal V = '-v'
    
    setglobal TMPFILES = '/usr/lib/tmpfiles.d/php7.0-fpm.conf'

    if test -r $TMPFILES {
	while read type path mode user group age argument {
	    if test $type = "d" {
		mkdir $V -p $path
		chmod $V $mode $path
		chown $V "$user:$group" $path
	    }
	} < "$TMPFILES"
    }
}

match $1 {
    with start
	if init_is_upstart {
	    exit 1
	}
	test $VERBOSE != no && log_daemon_msg "Starting $DESC" $NAME
	do_tmpfiles $VERBOSE
	do_check $VERBOSE
	match "$Status" {
	    with 0
		do_start
		match "$Status" {
		    with 0|1 test $VERBOSE != no && log_end_msg 0 
		    with 2 test $VERBOSE != no && log_end_msg 1 
		}
		
	    with 1 test $VERBOSE != no && log_end_msg 1 
	}
	
    with stop
	if init_is_upstart {
	    exit 0
	}
	test $VERBOSE != no && log_daemon_msg "Stopping $DESC" $NAME
	do_stop
	match "$Status" {
		with 0|1 test $VERBOSE != no && log_end_msg 0 
		with 2 test $VERBOSE != no && log_end_msg 1 
	}
	
    with status
        status_of_proc $DAEMON $NAME && exit 0 || exit $?
        
    with check
        do_check yes
	
    with reload|force-reload
	if init_is_upstart {
	    exit 1
	}
    	log_daemon_msg "Reloading $DESC" $NAME
	do_reload
	log_end_msg $Status
	
    with reopen-logs
	log_daemon_msg "Reopening $DESC logs" $NAME
	if start-stop-daemon --stop --signal USR1 --oknodo --quiet \
	    --pidfile $PIDFILE --exec $DAEMON
	{
	    log_end_msg 0
	} else {
	    log_end_msg 1
	}
	
    with restart
	if init_is_upstart {
	    exit 1
	}
	log_daemon_msg "Restarting $DESC" $NAME
	do_stop
	match "$Status" {
	  with 0|1
		do_start
		match "$Status" {
			with 0 log_end_msg 0 
			with 1 log_end_msg 1  # Old process is still running
			with * log_end_msg 1  # Failed to start
		}
		
	  with *
	  	# Failed to stop
		log_end_msg 1
		
	}
	
    with *
	echo "Usage: $SCRIPTNAME {start|stop|status|restart|reload|force-reload}" > !2
	exit 1
    
}

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