1 /* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "surf/ns3/ns3_simulator.h"
10 #include "xbt/sysdep.h"
15 xbt_dict_t dict_socket = NULL;
19 static void receive_callback(Ptr<Socket> localSocket);
20 static void send_callback(Ptr<Socket> localSocket, uint32_t txSpace);
21 static void datasent_callback(Ptr<Socket> localSocket, uint32_t dataSent);
22 static void StartFlow(Ptr<Socket> sock,
24 uint16_t port_number);
26 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simulator_ns3, surf,
27 "Logging specific to the SURF network NS3 module");
37 * This function create a flow from src to dst
41 * dst: node destination
42 * port_number: The port number to use
43 * start: the time the communication start
45 * totalBytes: number of bytes to transmit
47 void NS3Sim::create_flow_NS3(
56 if(!dict_socket) dict_socket = xbt_dict_new();
58 PacketSinkHelper sink ("ns3::TcpSocketFactory",
59 InetSocketAddress (Ipv4Address::GetAny(),
62 Ptr<Socket> sock = Socket::CreateSocket (src,
63 TcpSocketFactory::GetTypeId());
65 MySocket *mysocket = new MySocket();
66 mysocket->totalBytes = totalBytes;
67 mysocket->remaining = totalBytes;
68 mysocket->bufferedBytes = 0;
69 mysocket->sentBytes = 0;
70 mysocket->finished = 0;
71 mysocket->action = action;
72 xbt_dict_set(dict_socket,(const char*)&sock, mysocket,NULL);
73 sock->Bind(InetSocketAddress(port_number));
74 Simulator::Schedule (Seconds(start),&StartFlow, sock, addr, port_number);
77 void* NS3Sim::get_action_from_socket(void *socket){
78 return ((MySocket *)socket)->action;
81 char NS3Sim::get_finished(void *socket){
82 return ((MySocket *)socket)->finished;
85 double NS3Sim::get_remains_from_socket(void *socket){
86 return ((MySocket *)socket)->remaining;
89 double NS3Sim::get_sent_from_socket(void *socket){
90 return ((MySocket *)socket)->sentBytes;
93 void NS3Sim::simulator_stop(double min){
95 Simulator::Stop(Seconds(min));
100 void NS3Sim::simulator_start(void){
101 XBT_DEBUG("Start simulator");
105 static void receive_callback(Ptr<Socket> localSocket){
106 MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
108 if (mysocket->finished == 0){
109 mysocket->finished = 1;
110 // cout << "[" << Simulator::Now ().GetSeconds() << "] " << "recv_cb of F[" << mysocket->totalBytes << "] " << endl;
111 XBT_DEBUG("Stop simulator at %f seconds", Simulator::Now().GetSeconds());
112 Simulator::Stop(Seconds(0.0));
117 static void send_callback(Ptr<Socket> localSocket, uint32_t txSpace){
118 MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
120 if (mysocket->remaining == 0){
121 //all data was already buffered (and socket was already closed), just return
125 uint32_t toWrite = min (mysocket->remaining, txSpace);
126 uint8_t *data = (uint8_t*)malloc(sizeof(uint8_t)*toWrite);
127 int amountSent = localSocket->Send (&data[0], toWrite, 0);
130 mysocket->bufferedBytes += amountSent;
131 mysocket->remaining -= amountSent;
133 // cout << "[" << Simulator::Now ().GetSeconds() << "] " << "send_cb of F[" << mysocket->totalBytes << "] ("<< mysocket->remaining << " / " << mysocket->totalBytes << ") " << amountSent << " buffered." << endl;
135 if (mysocket->remaining == 0){
136 //everything was buffered to send, tell NS3 to close the socket
137 localSocket->Close();
142 static void datasent_callback(Ptr<Socket> localSocket, uint32_t dataSent){
143 MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
144 mysocket->sentBytes += dataSent;
145 // cout << "[" << Simulator::Now ().GetSeconds() << "] " << "datasent_cb of F[" << mysocket->totalBytes << "] " << dataSent << " sent." << endl;
148 static void normalClose_callback(Ptr<Socket> localSocket){
149 MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
150 // cout << "[" << Simulator::Now ().GetSeconds() << "] " << "normalClose_cb of F[" << mysocket->totalBytes << "]" << endl;
151 receive_callback (localSocket);
154 static void errorClose_callback(Ptr<Socket> localSocket){
155 MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
156 // cout << "[" << Simulator::Now ().GetSeconds() << "] " << "errorClose_cb of F[" << mysocket->totalBytes << "]" << endl;
157 xbt_die("NS3: a socket was closed anormally");
160 static void succeededConnect_callback(Ptr<Socket> localSocket){
161 MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
162 // cout << "[" << Simulator::Now ().GetSeconds() << "] " << "succeededConnect_cb of F[" << mysocket->totalBytes << "]" << endl;
165 static void failedConnect_callback(Ptr<Socket> localSocket){
166 MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
167 // cout << "[" << Simulator::Now ().GetSeconds() << "] " << "failedConnect_cb of F[" << mysocket->totalBytes << "]" << endl;
168 xbt_die("NS3: a socket failed to connect");
171 static void StartFlow(Ptr<Socket> sock,
173 uint16_t port_number)
175 InetSocketAddress serverAddr (to, port_number);
177 sock->Connect(serverAddr);
178 sock->SetSendCallback (MakeCallback (&send_callback));
179 sock->SetRecvCallback (MakeCallback (&receive_callback));
180 sock->SetDataSentCallback (MakeCallback (&datasent_callback));
181 sock->SetConnectCallback (MakeCallback (&succeededConnect_callback), MakeCallback (&failedConnect_callback));
182 sock->SetCloseCallbacks (MakeCallback (&normalClose_callback), MakeCallback (&errorClose_callback));
184 MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&sock);
185 // cout << "[" << Simulator::Now().GetSeconds() << "] Starting flow to " << to << " using port " << port_number << endl;