From 654aa459549e99f38cc98f9ec32ea732ae77be7b Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alexander@sulfrian.net>
Date: Fri, 17 Dec 2010 23:09:20 +0100
Subject: znc: separate scripts for every znc instance

---
 znc/conf.d/znc |  11 +++++-
 znc/init.d/znc | 111 +++++++++++++++++++++++++++------------------------------
 2 files changed, 62 insertions(+), 60 deletions(-)

diff --git a/znc/conf.d/znc b/znc/conf.d/znc
index bc321a5..fc238a4 100644
--- a/znc/conf.d/znc
+++ b/znc/conf.d/znc
@@ -9,5 +9,14 @@
 # start the daemon as other user
 #ZNC_USER="nobody"
 
-# datadir for znc (you can supply multiple dirs seperated with spaces)
+# datadir for znc
 #ZNC_DATADIR=""
+
+# you can override some generic settings form above with special values:
+#
+# * first you have to create a symlink from the generic init.d script
+#   to your special name like: init.d/znc.something
+# * then you can override the variable with appending _something to
+#   the name
+#ZNC_DATADIR_something=""
+
diff --git a/znc/init.d/znc b/znc/init.d/znc
index eaca712..3ce3e1a 100755
--- a/znc/init.d/znc
+++ b/znc/init.d/znc
@@ -7,91 +7,84 @@ opts="checkconfig reload"
 
 ZNC_USER=${ZNC_USER:-"nobody"}
 ZNC_DAEMON=${ZNC_DAEMON:-"/usr/bin/znc"}
+ZNC_EXTRA_ARGS=""
 
 depend() {
 	need net
 	use oidentd
+	provide znc
 }
 
 checkconfig() {
-	if [ -z "${ZNC_DATADIR}" ]; then
-		eerror "Please set at least one datadir for ZNC!"
-		return 1
+	local instance=${RC_SVCNAME#*.}
+	local instanceVar=$(shell_var "${instance}")
+
+	if [ -n "$instanceVar" ]; then
+		eval local_datadir=\$ZNC_DATADIR_${instanceVar}
+
+		if [ -n "${local_datadir}" ]; then
+			ZNC_DATADIR=${local_datadir}
+		fi
+
+		eval local_user=\$ZNC_USER_${instanceVar}
+
+		if [ -n "${local_user}" ]; then
+			ZNC_USER=${local_USER}
+		fi
+
+		eval local_daemon=\$ZNC_DAEMON_${instanceVar}
+
+		if [ -n "${local_daemon}" ]; then
+			ZNC_DAEMON=${local_daemon}
+		fi
 	fi
 
-	mkdir -p /var/run/znc/
-	if [ ! -d /var/run/znc ]; then
-		eerror "Unable to create /var/run/znc!"
+	if [ ! -d "${ZNC_DATADIR}" ]; then
+		eerror "Please set a valid datadir for ZNC!"
 		return 1
 	fi
 
 	return 0
 }
 
+_get_pid_file() {
+    	echo "${1}/.pid"
+}
+
 start() {
 	checkconfig || return 1
-	ebegin "Starting ZNC"
-	eindent
-
-	for dir in ${ZNC_DATADIR}; do
-		if [ -d "${dir}" ]; then
-			ebegin "${dir}"
-
-			pidfile=$(mktemp --tmpdir=/var/run/znc)
-			start-stop-daemon --start --quiet \
-					  --chuid ${ZNC_USER} \
-					  --exec ${ZNC_DAEMON} \
-					  --pidfile ${pidfile} \
-					  --make-pidfile --background \
-					  --chdir ${dir} --wait 500 \
-					  -- -d ${dir} -f
-
-			eend $?
-		fi
-	done
+	ebegin "Starting ZNC: ${ZNC_DATADIR}"
+
+	pidfile=$(_get_pid_file "${ZNC_DATADIR}")
+	start-stop-daemon --start --quiet --chuid ${ZNC_USER} --exec ${ZNC_DAEMON} \
+	    		  --pidfile ${pidfile} --make-pidfile --background \
+	    		  --chdir ${ZNC_DATADIR} --wait 500 -- -d ${ZNC_DATADIR} -f
 
-	eoutdent
+	eend $?
 }
 
 stop() {
 	checkconfig || return 1
-	ebegin "Stopping ZNC"
-	eindent
-
-	for pidfile in /var/run/znc/* ; do
-		if [ -r ${pidfile} ]; then
-			pid=$(< ${pidfile})
-
-			if [ -L /proc/${pid}/cwd ]; then
-				ebegin $(readlink /proc/${pid}/cwd)
+	ebegin "Stopping ZNC: ${ZNC_DATADIR}"
 
-				start-stop-daemon --stop --user ${ZNC_USER} \
-						  --exec ${ZNC_DAEMON} \
-			                	  --pidfile ${pidfile}
+	pidfile=$(_get_pid_file "${ZNC_DATADIR}")
+	start-stop-daemon --stop --user ${ZNC_USER} --exec ${ZNC_DAEMON} \
+	                  --pidfile ${pidfile}
 
-				eend $?
-			fi
-		fi
-	done
-
-	eoutdent
+	eend $?
 }
 
 reload() {
-	ebegin "Reloading ZNC"
-	eindent
-
-	for pidfile in /var/run/znc/* ; do
-		if [ -r ${pidfile} ]; then
-			pid=$(< ${pidfile})
-
-			if [ -L /proc/${pid}/cwd ]; then
-				ebegin $(readlink /proc/${pid}/cwd)
-				kill -HUP ${pid}
-				eend $?
-			fi
-		fi
-	done
+	checkconfig || return 1
+	ebegin "Reloading ZNC: ${ZNC_DATADIR}"
+
+	pidfile=$(_get_pid_file "${ZNC_DATADIR}")
+	if [ -r ${pidfile} ]; then
+	    	pid=$(< ${pidfile})
+		kill -HUP ${pid}
+	else
+	    eerror "Could not find the ZNC process! (pidfile not present)"
+	fi
 
-	eoutdent
+	eend $?
 }
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