#!/bin/sh
#
# $FreeBSD$
#

# PROVIDE: haproxy
# REQUIRE: DAEMON LOGIN
# KEYWORD: shutdown

#######
#
# Add the following lines to /etc/rc.conf to enable haproxy:
#
# haproxy_enable (bool):	default: "NO"
#				Set to "YES" to enable haproxy
# haproxy_pidfile (str):	default: /var/run/${name}.pid
#				Set to the full path of the pid file
# haproxy_config (str):		default: /usr/local/etc/${name}.conf
#				Set to the full path of the config file
# haproxy_flags (str):		default: Autogenerated using pidfile and config options
#				Set to override with your own options
#
#######
#
# rc.d Script Runtime Options:
#
# start		- starts application normally
# stop		- (softstop) stops all proxies and exits once all sessions are closed 
# forcestop	- (immediate) stops all proxies and kills active sessions
# reload	- hot-reconfig using "-sf" option (active sessions kept)
# forcereload	- hot-reconfig using "-st" option (active sessions killed)
# restart	- equiv to "stop" then "start"
# configtest	- checks configuration file defined in haproxy_config
#
#######

. /etc/rc.subr

name="haproxy"
rcvar=haproxy_enable
command="%%PREFIX%%/sbin/haproxy"

# Load Configs/Set Defaults
load_rc_config $name
: ${haproxy_enable:="NO"}
: ${haproxy_pidfile:="/var/run/haproxy.pid"}
: ${haproxy_config:="%%PREFIX%%/etc/${name}.conf"}
: ${haproxy_flags="-q -f ${haproxy_config} -p ${haproxy_pidfile}"}
procname=${command}

# Update the globals
required_files=$haproxy_config

# Commands: start, stop, restart, reload, configtest
extra_commands="reload configtest"

configtest_cmd="$command -c -f $haproxy_config"
start_precmd="$command -q -c -f $haproxy_config"
reload_cmd="haproxy_reload"

# For stopping, SIGUSR1 = softstop, SIGTERM = faststop
sig_stop=${rc_force:-USR1}

haproxy_reload()
{
	# Check configuration file quietly first
	${command} -q -c -f ${haproxy_config}
	if [ $? -ne 0 ]; then
	    err 1 "Error found in ${haproxy_config} - not reloading current process!"
	fi
	rc_pid=$(check_process ${procname})
	if [ -n "$rc_pid" ]; then
		if [ $rc_force ]; then
			${command} ${haproxy_flags} -st ${rc_pid}
		else
			${command} ${haproxy_flags} -sf ${rc_pid}
		fi
	else
		_run_rc_notrunning
		return 1
	fi
}

run_rc_command "$1"