update init script

shadowsocks-go-debian

@@ -1,106 +1,105 @@
 #!/bin/bash
-# Start/stop shadowsocks.
+
-#
 ### BEGIN INIT INFO
-# Provides:          shadowsocks-go
+# Provides:          Shadowsocks-go
 # Required-Start:    $network $local_fs $remote_fs
-# Required-Stop:     $remote_fs
+# Required-Stop:     $network $local_fs $remote_fs
-# Should-Start:
-# Should-Stop:
 # Default-Start:     2 3 4 5
 # Default-Stop:      0 1 6
-# Short-Description: shadowsocks is a lightweight tunneling proxy
+# Short-Description: Fast tunnel proxy that helps you bypass firewalls
+# Description:       A secure socks5 proxy, designed to protect your Internet traffic.
 ### END INIT INFO
 
 # Author: Teddysun <i@teddysun.com>
 
-# Daemon 
+NAME=Shadowsocks-go
-NAME=shadowsocks-go
 BIN=/usr/bin/shadowsocks-server
-CONFIG_FILE=/etc/shadowsocks/config.json
+CONF=/etc/shadowsocks/config.json
 PID_DIR=/var/run
-PID_FILE=$PID_DIR/shadowsocks.pid
+PID_FILE=$PID_DIR/shadowsocks-go.pid
 RET_VAL=0
 
 [ -x $BIN ] || exit 0
 
-check_running() {
+if [[ ! -d $PID_DIR ]]; then
-  if [[ -r $PID_FILE ]]; then
+    mkdir -p $PID_DIR
-    read PID <$PID_FILE
+    if [ $? -ne 0 ]; then
-    if [[ -d "/proc/$PID" ]]; then
+        echo "Creating PID directory $PID_DIR failed"
-      return 0
+        RET_VAL=1
-    else
+    fi
-      rm -f $PID_FILE
+fi
-      return 1
+
+if [ ! -f $CONF ]; then
+    echo "$NAME config file $CONF not found"
+    exit 1
+fi
+
+check_running() {
+    if [[ -r $PID_FILE ]]; then
+        read PID < $PID_FILE
+        if [[ -d "/proc/$PID" ]]; then
+            return 0
+        else
+            rm -f $PID_FILE
+            return 1
+        fi
+    else
+        return 2
     fi
-  else
-    return 2
-  fi
 }
 
 do_status() {
-  check_running
+    check_running
-  case $? in
+    case $? in
-    0)
+        0)
-      echo "$NAME running with PID $PID"
+        echo "$NAME is running with PID $PID"
-      ;;
+        ;;
-    1)
+        1|2)
-      echo "$NAME not running, remove PID file $PID_FILE"
+        echo "$NAME is not running"
-      ;;
+        RET_VAL=1
-    2)
+        ;;
-      echo "Could not find PID file $PID_FILE, $NAME does not appear to be running"
+    esac
-      ;;
-  esac
-  return 0
 }
 
 do_start() {
-  if [[ ! -d $PID_DIR ]]; then
+    if check_running; then
-    mkdir $PID_DIR || echo "failed creating PID directory $PID_DIR"; exit 1
+        echo "$NAME is already running with PID $PID"
-  fi
+        return 0
-  if check_running; then
+    fi
-    echo "$NAME already running with PID $PID"
+    $BIN -c $CONF 2>&1 > /dev/null &
-    return 0
+    PID=$!
-  fi
+    echo $PID > $PID_FILE
-  if [[ ! -r $CONFIG_FILE ]]; then
+    sleep 0.3
-    echo "config file $CONFIG_FILE not found"
+    if check_running; then
-    return 1
+        echo "$NAME start success"
-  fi
+    else
-  echo "starting $NAME"
+        echo "$NAME start failed"
-  # sudo will set the group to the primary group of $USER
+        RET_VAL=1
-  $BIN -c $CONFIG_FILE > /dev/null &
+    fi
-  PID=$!
-  echo $PID > $PID_FILE
-  sleep 0.3
-  if ! check_running; then
-    echo "start failed"
-    return 1
-  fi
-  echo "$NAME running with PID $PID"
-  return 0
 }
 
 do_stop() {
-  if check_running; then
+    if check_running; then
-    echo "stopping $NAME with PID $PID"
+        kill -9 $PID
-    kill $PID
+        rm -f $PID_FILE
-    rm -f $PID_FILE
+        echo "$NAME stop success"
-  else
+    else
-    echo "Could not find PID file $PID_FILE"
+        echo "$NAME is not running"
-  fi
+        RET_VAL=1
+    fi
 }
 
 do_restart() {
-  do_stop
+    do_stop
-  do_start
+    do_start
 }
 
 case "$1" in
-  start|stop|restart|status)
+    start|stop|restart|status)
     do_$1
     ;;
-  *)
+    *)
-    echo "Usage: shadowsocks {start|stop|restart|status}"
+    echo "Usage: $0 { start | stop | restart | status }"
     RET_VAL=1
     ;;
 esac