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());
45 * This function create a flow from src to dst
49 * dst: node destination
50 * port_number: The port number to use
51 * start: the time the communication start
53 * totalBytes: number of bytes to transmit
55 void NS3Sim::create_flow_NS3(
64 if(!dict_socket) dict_socket = xbt_dict_new_homogeneous(free);
66 PacketSinkHelper sink ("ns3::TcpSocketFactory",
67 InetSocketAddress (Ipv4Address::GetAny(),
71 Ptr<Socket> sock = Socket::CreateSocket (src,
72 TcpSocketFactory::GetTypeId());
74 MySocket *mysocket = new MySocket();
75 mysocket->totalBytes = totalBytes;
76 mysocket->remaining = totalBytes;
77 mysocket->bufferedBytes = 0;
78 mysocket->sentBytes = 0;
79 mysocket->finished = 0;
80 mysocket->action = action;
82 transformSocketPtr(sock);
83 xbt_dict_set(dict_socket,socket_key, mysocket,NULL);
85 sock->Bind(InetSocketAddress(port_number));
86 XBT_DEBUG("Create flow starting to %fs + %fs = %fs",start-ns3_time(), ns3_time(), start);
88 Simulator::Schedule (Seconds(start-ns3_time()),&StartFlow, sock, addr, port_number);
89 // Simulator::Schedule (Seconds(0.0),&StartFlow, sock, addr, port_number);
93 void* NS3Sim::get_action_from_socket(void *socket){
94 return ((MySocket *)socket)->action;
97 char NS3Sim::get_finished(void *socket){
98 return ((MySocket *)socket)->finished;
101 double NS3Sim::get_remains_from_socket(void *socket){
102 return ((MySocket *)socket)->remaining;
105 double NS3Sim::get_sent_from_socket(void *socket){
106 return ((MySocket *)socket)->sentBytes;
109 void NS3Sim::simulator_start(double min){
111 Simulator::Stop(Seconds(min));
112 XBT_DEBUG("Start simulator");
116 static MySocket* get_my_socket(Ptr<Socket> localSocket) {
117 transformSocketPtr(localSocket);
118 return (MySocket*)xbt_dict_get_or_null(dict_socket,socket_key);
121 static void receive_callback(Ptr<Socket> localSocket){
122 MySocket* mysocket = get_my_socket(localSocket);
124 if (mysocket->finished == 0){
125 mysocket->finished = 1;
126 XBT_DEBUG("recv_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes);
127 XBT_DEBUG("Stop simulator at %f seconds", Simulator::Now().GetSeconds());
128 Simulator::Stop(Seconds(0.0));
133 static void send_callback(Ptr<Socket> localSocket, uint32_t txSpace){
134 MySocket* mysocket = get_my_socket(localSocket);
136 if (mysocket->remaining == 0){
137 //all data was already buffered (and socket was already closed), just return
141 uint8_t *data = (uint8_t*)malloc(sizeof(uint8_t)*txSpace);
143 while (mysocket->bufferedBytes < mysocket->totalBytes
144 && localSocket->GetTxAvailable () > 0)
146 uint32_t toWrite = min ((mysocket->remaining), txSpace);
147 toWrite = min (toWrite, localSocket->GetTxAvailable ());
148 int amountSent = localSocket->Send (data, toWrite, 0);
152 (mysocket->bufferedBytes) += amountSent;
153 (mysocket->remaining) -= amountSent;
154 XBT_DEBUG("send_cb of F[%p, %p, %d] (%d/%d) %d buffered", mysocket, mysocket->action, mysocket->totalBytes, mysocket->remaining, mysocket->totalBytes, amountSent);
160 if ((mysocket->bufferedBytes) >= mysocket->totalBytes){
161 localSocket->Close();
165 static void datasent_callback(Ptr<Socket> localSocket, uint32_t dataSent){
166 MySocket* mysocket = get_my_socket(localSocket);
167 mysocket->sentBytes += dataSent;
168 XBT_DEBUG("datasent_cb of F[%p, %p, %d] %d sent", mysocket, mysocket->action, mysocket->totalBytes, dataSent);
171 static void normalClose_callback(Ptr<Socket> localSocket){
172 MySocket* mysocket = get_my_socket(localSocket);
173 XBT_DEBUG("normalClose_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes);
174 receive_callback (localSocket);
177 static void errorClose_callback(Ptr<Socket> localSocket){
178 MySocket* mysocket = get_my_socket(localSocket);
179 XBT_DEBUG("errorClose_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes);
180 xbt_die("NS3: a socket was closed anormally");
183 static void succeededConnect_callback(Ptr<Socket> localSocket){
184 MySocket* mysocket = get_my_socket(localSocket);
185 XBT_DEBUG("succeededConnect_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes);
188 static void failedConnect_callback(Ptr<Socket> localSocket){
189 MySocket* mysocket = get_my_socket(localSocket);
190 XBT_DEBUG("failedConnect_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes);
191 xbt_die("NS3: a socket failed to connect");
194 static void StartFlow(Ptr<Socket> sock,
196 uint16_t port_number)
198 InetSocketAddress serverAddr (to, port_number);
200 sock->Connect(serverAddr);
201 sock->SetSendCallback (MakeCallback (&send_callback));
202 sock->SetRecvCallback (MakeCallback (&receive_callback));
203 sock->SetDataSentCallback (MakeCallback (&datasent_callback));
204 sock->SetConnectCallback (MakeCallback (&succeededConnect_callback), MakeCallback (&failedConnect_callback));
205 sock->SetCloseCallbacks (MakeCallback (&normalClose_callback), MakeCallback (&errorClose_callback));
207 MySocket* mysocket = get_my_socket(sock);
208 XBT_DEBUG("startFlow_cb of F[%p, %p, %d] dest=%s port=%d", mysocket, mysocket->action, mysocket->totalBytes, to, port_number);