def _init_node(self, node):
# start receiver
receiver_cmd = "%s %i" % (
self.get_binary_path("tcp_receive"),
configuration.get_tcp_receiver_port())
receiver_process = process.ReceiverProcess(node, receiver_cmd)
receiver_pid = self._process_manager.start_process(receiver_process)
self.__node_to_receiver_pid_map[node] = receiver_pid
def transmit_n_bytes(self, coflow_id, source, destination, n_bytes,
subscription_key):
topology = network_emulator.NetworkEmulator.get_instance().topology
destination_ip = topology.get_ip_address(destination.nn)
trans_command = "%s %s %i %i" % (
self.get_binary_path("tcp_send"), destination_ip,
configuration.get_tcp_receiver_port(), n_bytes)
trans_process = process.TransmissionProcess(source, trans_command,
subscription_key)
if not self._process_manager.start_process(trans_process):
return -1
return trans_process.transmission_id
