Add server control script

.gitignore

@@ -94,3 +94,5 @@ ENV/
 # Rope project settings
 .ropeproject
 
+# -- project specific --
+screenlog.*

instantchatctl

@@ -0,0 +1,81 @@
+#!/bin/bash
+
+WORKDIR="$(dirname "$(readlink -f "$0")")"
+SCREEN_SOCKNAME="instantchat_server"
+SERVER_BIN="./server/chatserver.py"
+
+print_usage() {
+	echo "usage: $0 start|stop|restart|status|attach|pull"
+}
+
+if [ $# -ne 1 ]; then
+	print_usage
+	exit 1
+fi
+
+cd "$WORKDIR"
+
+server_status() {
+	echo "Server status (screen -ls):"
+	if screen -ls | grep $SCREEN_SOCKNAME; then
+		echo "Server running"
+	else
+		echo "Server not running"
+	fi
+}
+
+server_start() {
+	if screen -ls | grep -q $SCREEN_SOCKNAME; then
+		echo "Server is already running!"
+		return 1
+	else
+		echo "Starting server..."
+		screen -dmS $SCREEN_SOCKNAME -L bash -c "$SERVER_BIN || read -p '-- press key to end screen session --'"
+	fi
+}
+
+server_stop() {
+	if screen -ls | grep -q $SCREEN_SOCKNAME; then
+		echo "Stopping server..."
+		kill $(screen -ls | grep $SCREEN_SOCKNAME | grep -o '[0-9]*')
+	else
+		echo "Server is not running!"
+	fi
+}
+
+server_restart() {
+	server_stop
+	server_start
+}
+
+server_attach() {
+	echo "Attaching to screen session..."
+	screen -r $SCREEN_SOCKNAME
+}
+
+server_pull() {
+	echo "Pulling from repository..."
+	if git pull --ff-only; then
+		server_restart
+	else
+		echo "Error while pulling!"
+		exit 1
+	fi
+}
+
+COMMAND=$1
+
+case $COMMAND in
+	start)   server_start   ;;
+	stop)    server_stop    ;;
+	restart) server_restart ;;
+	status)  server_status  ;;
+	attach)  server_attach  ;;
+	pull)    server_pull    ;;
+
+	*)
+		echo "unknown command"
+		print_usage
+		exit 1
+esac
+