Add shadowsocks-go-debian auto start script

shadowsocks-go-debian

@@ -0,0 +1,110 @@
+#!/bin/bash
+# Start/stop shadowsocks.
+#
+### BEGIN INIT INFO
+# Provides:          shadowsocks
+# Required-Start:
+# Required-Stop:
+# Should-Start:
+# Should-Stop:
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: shadowsocks is a lightweight tunneling proxy
+### END INIT INFO
+
+# Note: this script requires sudo in order to run shadowsocks as the specified
+# user. 
+
+BIN=/usr/bin/shadowsocks-server
+CONFIG_FILE=/etc/shadowsocks/config.json
+#LOG_FILE=/var/log/shadowsocks
+#USER=nobody
+#GROUP=nobody
+PID_DIR=/var/run
+PID_FILE=$PID_DIR/shadowsocks.pid
+RET_VAL=0
+
+[ -x $BIN ] || exit 0
+
+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
+}
+
+do_status() {
+  check_running
+  case $? in
+    0)
+      echo "shadowsocks-go running with PID $PID"
+      ;;
+    1)
+      echo "shadowsocks-go not running, remove PID file $PID_FILE"
+      ;;
+    2)
+      echo "Could not find PID file $PID_FILE, shadowsocks-go does not appear to be running"
+      ;;
+  esac
+  return 0
+}
+
+do_start() {
+  if [[ ! -d $PID_DIR ]]; then
+    mkdir $PID_DIR || echo "failed creating PID directory $PID_DIR"; exit 1
+  fi
+  if check_running; then
+    echo "shadowsocks-go already running with PID $PID"
+    return 0
+  fi
+  if [[ ! -r $CONFIG_FILE ]]; then
+    echo "config file $CONFIG_FILE not found"
+    return 1
+  fi
+  echo "starting shadowsocks-go"
+  # sudo will set the group to the primary group of $USER
+  $BIN -c $CONFIG_FILE &
+  PID=$!
+  echo $PID > $PID_FILE
+  sleep 0.3
+  if ! check_running; then
+    echo "start failed"
+    return 1
+  fi
+  echo "shadowsocks-go running with PID $PID"
+  return 0
+}
+
+do_stop() {
+  if check_running; then
+    echo "stopping shadowsocks-go with PID $PID"
+    kill $PID
+    rm -f $PID_FILE
+  else
+    echo "Could not find PID file $PID_FILE"
+  fi
+}
+
+do_restart() {
+  do_stop
+  do_start
+}
+
+case "$1" in
+  start|stop|restart|status)
+    do_$1
+    ;;
+  *)
+    echo "Usage: shadowsocks {start|stop|restart|status}"
+    RET_VAL=1
+    ;;
+esac
+
+exit $RET_VAL