1,mv initrd script to 'root' dir,for no need to change the service sc…

…ript when do update.

2,according to code/version.txt to start the specific xx_net
3,add 'status' command for service

code/default/xx_net.sh → xx_net.sh

@@ -26,23 +26,45 @@ else
     PYTHON="python"
 fi
 
-PACKAGE_PATH=$("${PYTHON}" -c "import os; print os.path.dirname(os.path.realpath('$0'))")
+if [ -L $0 ];then
+       PACKAGE_PATH="$(dirname $(readlink -n $0))/"                                         
+else
+       PACKAGE_PATH="./"                                         
+fi
+PACKAGE_VER_FILE="${PACKAGE_PATH}code/version.txt"
+PACKAGE_VER="default"
+if [ -f "${PACKAGE_VER_FILE}" ];then
+       PACKAGE_VER=$(cat $PACKAGE_VER_FILE)
+fi
+PACKAGE_START="${PACKAGE_PATH}code/${PACKAGE_VER}/launcher/start.py"
+
+if ! [ -f $PACKAGE_START ];then
+PACKAGE_START="${PACKAGE_PATH}code/default/launcher/start.py"
+fi
 
 start() {
     echo -n "Starting ${PACKAGE_DESC}: "
     if hash python2 2>/dev/null; then
-        #nohup "${PYTHON}" launcher/start.py 2>&1 | /usr/bin/logger -t ${PACKAGE_NAME} &
-        nohup "${PYTHON}" ${PACKAGE_PATH}/launcher/start.py >/dev/null 2>&1 &
+        nohup "${PYTHON}" ${PACKAGE_START} >/dev/null 2>&1 &
     fi
     echo "${PACKAGE_NAME}."
 }
 
 stop() {
     echo -n "Stopping ${PACKAGE_DESC}: "
-    kill -9 `ps aux | grep "${PYTHON} ${PACKAGE_PATH}/launcher/start.py" | grep -v grep | awk '{print $2}'` || true
+    kill -9 `ps aux | grep "${PYTHON} ${PACKAGE_START}" | grep -v grep | awk '{print $2}'` || true
     echo "${PACKAGE_NAME}."
 }
 
+status() {
+    pid="PID`ps aux | grep "${PYTHON} ${PACKAGE_START}" | grep -v grep | awk '{print $2}'`"
+    if [ $pid == "PID" ];then
+        echo "xx-net stoped"
+    else
+        echo "xx-net running,pid: ${pid##"PID"}"
+    fi
+}   
+
 restart() {
     stop
     sleep 1
@@ -51,7 +73,7 @@ restart() {
 
 usage() {
     N=$(basename "$0")
-    echo "Usage: [sudo] $N {start|stop|restart}" >&2
+    echo "Usage: [sudo] $N {start|stop|restart|status}" >&2
     exit 1
 }
 
@@ -74,10 +96,12 @@ case "$1" in
     restart | force-reload)
         restart
         ;;
+       status)
+        status
+        ;;
     *)
         usage
         ;;
 esac
 
 exit 0
-}