def __init__(self, loop, connection, srp, service):
self.loop = loop<EOL>self.connection = connection<EOL>self.connection.listener = self<EOL>self.srp = srp<EOL>self.service = service<EOL>self._outstanding = {}<EOL>self._listeners = {}<EOL>self._one_shots = {}<EOL>self._initial_message_sent = False<EOL>
Initialize a new MrpProtocol.