ipop-project/controllers — pull request #12 by kyuhojeong (2014-06-13 21:13:56+00:00)
Title: Ping

echo_request and echo_reply mode is added for windows watchdog for the windows watchdog.
Controller use the port number 5801 for the UDP server.
If we send {"msg_type" : "echo_request"} to either tincan or controller, it should be reply with {"msg_type": "echo_reply"}