ibrdtnd: add new package

This package contains the daemon (dtnd) of IBR-DTN, a modular and lightweight
implementation of the bundle protocol (RFC 5050). https://github.com/ibrdtn/ibrdtn

Signed-off-by: Johannes Morgenroth <morgenroth@ibr.cs.tu-bs.de>

net/ibrdtnd/files/ibrdtn.init

@@ -0,0 +1,71 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2007 OpenWrt.org
+
+START=90
+
+start() {
+	# check if the daemon is disabled
+	if [ "`/sbin/uci -P/var/state -q get ibrdtn.disable`" == "1" ]; then
+		/bin/echo "dtnd is disabled"
+		return
+	fi
+	
+	/bin/echo -n "running dtnd ..."
+	
+	# startup the safety-wrapper for the daemon
+	/usr/sbin/dtnd-safety-wrapper.sh &
+	
+	# store the pid of the process in uci states
+	/sbin/uci -P/var/state -q set ibrdtn.safetypid=`echo $!`
+	
+	/bin/echo " done"
+}
+
+stop() { 
+	# check if the daemon is disabled
+	if [ "`/sbin/uci -P/var/state -q get ibrdtn.disable`" == "1" ]; then
+		/bin/echo "dtnd is disabled"
+		return
+	fi
+	
+	/bin/echo -n "stopping dtnd ..."
+	
+	# set state to None, this indicates a clear shutdown to the safety-wrapper.
+	/sbin/uci -P/var/state -q set ibrdtn.state=None
+	
+	# stop the safety-wrapper
+	if [ -n "`/sbin/uci -P/var/state -q get ibrdtn.safetypid`" ]; then
+		/usr/bin/kill `/sbin/uci -P/var/state -q get ibrdtn.safetypid` 2> /dev/null >/dev/null
+	fi
+	
+	# finally kill really all safety-wrapper!
+	/bin/sleep 2
+	/usr/bin/killall -9 dtnd-safety-wrapper.sh
+	
+	# send a kill signal to the daemon
+	/usr/bin/killall dtnd 2> /dev/null >/dev/null
+	
+	# wait for some time
+	TIMEOUT=0;
+	
+	# check if the daemon is running
+	while [ -n "`ps | grep dtnd | grep -v grep`" ]; do
+		# check if the daemon is still running
+		if [ $TIMEOUT -ge 10 ]; then
+			/bin/echo " killing"
+			# kill all processes of dtnd
+			/usr/bin/killall -9 dtnd 2> /dev/null >/dev/null
+			return
+		fi
+		
+		# increment timeout
+		TIMEOUT=`expr $TIMEOUT + 1`
+		
+		echo -n "."
+		
+		# wait some time
+		/bin/sleep 1
+	done
+	
+	echo " done"
+}