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/systemcheck.sh

@@ -0,0 +1,101 @@
+#!/bin/sh
+#
+#
+
+check_mounted() {
+	DIR=$1
+	while [ "$DIR" != "/" ]; do
+		if [ -n "`mount | grep "$DIR"`" ]; then
+			return 0
+		fi
+
+		DIR=`dirname $DIR`
+	done
+	return 1
+}
+
+check_writable() {
+	CHECKFILE="$1/.container-lock"
+	/bin/touch $CHECKFILE
+
+	if [ $? -gt 0 ]; then
+		return 1;
+	fi
+
+	/bin/echo "0123456789" >> $CHECKFILE
+
+	if [ $? -gt 0 ]; then
+		return 2;
+	fi
+
+	/bin/rm $CHECKFILE
+
+	if [ $? -gt 0 ]; then
+		return 3;
+	fi
+}
+
+check_mountdev() {
+	# get wait_mount option
+	WAIT_MOUNT_DEV=`uci -q get ibrdtn.safemode.wait_mount`
+	
+	if [ $? -ne 0 ]; then
+		return 0
+	fi
+	
+	DATA=`mount | grep ${WAIT_MOUNT_DEV}`
+
+	if [ -n "${DATA}" ]; then
+		return 0
+	fi
+	
+	return 1
+}
+
+# check the storage device
+check_mountdev
+RET=$?
+
+if [ ${RET} -ne 0 ]; then
+	WAIT_SECONDS=60
+	/usr/bin/logger -t "systemcheck.sh" -p 2 "disk storage not ready, wait max. ${WAIT_SECONDS} seconds until it is mounted"
+	while [ ${RET} -ne 0 ] && [ ${WAIT_SECONDS} -ne 0 ]; do
+		sleep 1
+		let WAIT_SECONDS=WAIT_SECONDS-1
+		check_mountdev
+		RET=$?
+	done
+fi
+
+if [ ${RET} -ne 0 ]; then
+	# failed, storage not mounted
+	exit 1
+fi
+
+# get the path for the container
+CONTAINER=`uci -q get ibrdtn.storage.container`
+
+if [ -z "$CONTAINER" ]; then
+	exit 0
+fi
+
+CONTAINER_PATH=`dirname $CONTAINER`
+
+if [ -n "$CONTAINER_PATH" ]; then
+	# check if the container is on a mounted device
+	check_mounted $CONTAINER_PATH
+
+	if [ $? -gt 0 ]; then
+		# failed
+		exit 1
+	fi
+
+	# check if the device is writable
+	check_writable $CONTAINER_PATH
+
+	if [ $? -gt 0 ]; then
+		# failed
+		exit 1
+	fi
+fi
+