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;
18 static char socket_key[24];
20 static void receive_callback(Ptr<Socket> localSocket);
21 static void send_callback(Ptr<Socket> localSocket, uint32_t txSpace);
22 static void datasent_callback(Ptr<Socket> localSocket, uint32_t dataSent);
23 static void StartFlow(Ptr<Socket> sock,
25 uint16_t port_number);
27 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simulator_ns3, surf,
28 "Logging specific to the SURF network NS3 module");
37 static XBT_INLINE void transformSocketPtr (Ptr<Socket> localSocket){
38 std::stringstream sstream;
39 sstream << localSocket ;
40 std::string s = sstream.str();
41 sprintf(socket_key,"%s",s.c_str());
44 static void delete_mysocket(void *p)
46 MySocket *sock = (MySocket *)p;
51 * This function create a flow from src to dst
55 * dst: node destination
56 * port_number: The port number to use
57 * start: the time the communication start
59 * totalBytes: number of bytes to transmit
61 void NS3Sim::create_flow_NS3(
70 if(!dict_socket) dict_socket = xbt_dict_new_homogeneous(delete_mysocket);
72 PacketSinkHelper sink ("ns3::TcpSocketFactory",
73 InetSocketAddress (Ipv4Address::GetAny(),
77 Ptr<Socket> sock = Socket::CreateSocket (src,
78 TcpSocketFactory::GetTypeId());
80 MySocket *mysocket = new MySocket();
81 mysocket->totalBytes = totalBytes;
82 mysocket->remaining = totalBytes;
83 mysocket->bufferedBytes = 0;
84 mysocket->sentBytes = 0;
85 mysocket->finished = 0;
86 mysocket->action = action;
88 transformSocketPtr(sock);
89 xbt_dict_set(dict_socket,socket_key, mysocket,NULL);
91 sock->Bind(InetSocketAddress(port_number));
92 XBT_DEBUG("Create flow starting to %fs + %fs = %fs",start-ns3_time(), ns3_time(), start);
94 Simulator::Schedule (Seconds(start-ns3_time()),&StartFlow, sock, addr, port_number);
95 // Simulator::Schedule (Seconds(0.0),&StartFlow, sock, addr, port_number);
99 void* NS3Sim::get_action_from_socket(void *socket){
100 return ((MySocket *)socket)->action;
103 char NS3Sim::get_finished(void *socket){
104 return ((MySocket *)socket)->finished;
107 double NS3Sim::get_remains_from_socket(void *socket){
108 return ((MySocket *)socket)->remaining;
111 double NS3Sim::get_sent_from_socket(void *socket){
112 return ((MySocket *)socket)->sentBytes;
115 void NS3Sim::simulator_start(double min){
117 Simulator::Stop(Seconds(min));
118 XBT_DEBUG("Start simulator '%f'",min);
122 static MySocket* get_my_socket(Ptr<Socket> localSocket) {
123 transformSocketPtr(localSocket);
124 return (MySocket*)xbt_dict_get_or_null(dict_socket,socket_key);
127 static void receive_callback(Ptr<Socket> localSocket){
128 MySocket* mysocket = get_my_socket(localSocket);
130 if (mysocket->finished == 0){
131 mysocket->finished = 1;
132 XBT_DEBUG("recv_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes);
133 XBT_DEBUG("Stop simulator at %f seconds", Simulator::Now().GetSeconds());
134 Simulator::Stop(Seconds(0.0));
139 static void send_callback(Ptr<Socket> localSocket, uint32_t txSpace){
140 MySocket* mysocket = get_my_socket(localSocket);
142 if (mysocket->remaining == 0){
143 //all data was already buffered (and socket was already closed), just return
147 uint8_t *data = (uint8_t*)malloc(sizeof(uint8_t)*txSpace);
149 while (mysocket->bufferedBytes < mysocket->totalBytes
150 && localSocket->GetTxAvailable () > 0)
152 uint32_t toWrite = min ((mysocket->remaining), txSpace);
153 toWrite = min (toWrite, localSocket->GetTxAvailable ());
154 int amountSent = localSocket->Send (data, toWrite, 0);
158 (mysocket->bufferedBytes) += amountSent;
159 (mysocket->remaining) -= amountSent;
160 XBT_DEBUG("send_cb of F[%p, %p, %d] (%d/%d) %d buffered", mysocket, mysocket->action, mysocket->totalBytes, mysocket->remaining, mysocket->totalBytes, amountSent);
166 if ((mysocket->bufferedBytes) >= mysocket->totalBytes){
167 localSocket->Close();
171 static void datasent_callback(Ptr<Socket> localSocket, uint32_t dataSent){
172 MySocket* mysocket = get_my_socket(localSocket);
173 mysocket->sentBytes += dataSent;
174 XBT_DEBUG("datasent_cb of F[%p, %p, %d] %d sent", mysocket, mysocket->action, mysocket->totalBytes, dataSent);
177 static void normalClose_callback(Ptr<Socket> localSocket){
178 MySocket* mysocket = get_my_socket(localSocket);
179 XBT_DEBUG("normalClose_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes);
180 receive_callback (localSocket);
183 static void errorClose_callback(Ptr<Socket> localSocket){
184 MySocket* mysocket = get_my_socket(localSocket);
185 XBT_DEBUG("errorClose_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes);
186 xbt_die("NS3: a socket was closed anormally");
189 static void succeededConnect_callback(Ptr<Socket> localSocket){
190 MySocket* mysocket = get_my_socket(localSocket);
191 XBT_DEBUG("succeededConnect_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes);
194 static void failedConnect_callback(Ptr<Socket> localSocket){
195 MySocket* mysocket = get_my_socket(localSocket);
196 XBT_DEBUG("failedConnect_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes);
197 xbt_die("NS3: a socket failed to connect");
200 static void StartFlow(Ptr<Socket> sock,
202 uint16_t port_number)
204 InetSocketAddress serverAddr (to, port_number);
206 sock->Connect(serverAddr);
207 sock->SetSendCallback (MakeCallback (&send_callback));
208 sock->SetRecvCallback (MakeCallback (&receive_callback));
209 sock->SetDataSentCallback (MakeCallback (&datasent_callback));
210 sock->SetConnectCallback (MakeCallback (&succeededConnect_callback), MakeCallback (&failedConnect_callback));
211 sock->SetCloseCallbacks (MakeCallback (&normalClose_callback), MakeCallback (&errorClose_callback));
213 MySocket* mysocket = get_my_socket(sock);
214 XBT_DEBUG("startFlow_cb of F[%p, %p, %d] dest=%s port=%d", mysocket, mysocket->action, mysocket->totalBytes, to, port_number);