1 /* Copyright (c) 2007-2016. 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 "src/surf/ns3/ns3_simulator.h"
10 #include "xbt/sysdep.h"
12 static void delete_mysocket(void *p)
16 xbt_dict_t flowFromSock = xbt_dict_new_homogeneous(delete_mysocket);; // ns3::sock -> SgFlow
18 static void receive_callback(ns3::Ptr<ns3::Socket> socket);
19 static void send_callback(ns3::Ptr<ns3::Socket> sock, uint32_t txSpace);
20 static void datasent_callback(ns3::Ptr<ns3::Socket> socket, uint32_t dataSent);
22 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(ns3);
24 SgFlow::SgFlow(uint32_t totalBytes, simgrid::surf::NetworkNS3Action * action) {
25 totalBytes_ = totalBytes;
26 remaining_ = totalBytes;
30 static SgFlow* getFlowFromSocket(ns3::Ptr<ns3::Socket> socket) {
31 return (SgFlow*)xbt_dict_get_or_null(flowFromSock, transformSocketPtr(socket));
34 static void receive_callback(ns3::Ptr<ns3::Socket> socket){
35 SgFlow* flow = getFlowFromSocket(socket);
37 if (flow->finished_ == false){
38 flow->finished_ = true;
39 XBT_DEBUG("recv_cb of F[%p, %p, %d]", flow, flow->action_, flow->totalBytes_);
40 XBT_DEBUG("Stop simulator at %f seconds", ns3::Simulator::Now().GetSeconds());
41 ns3::Simulator::Stop(ns3::Seconds(0.0));
42 ns3::Simulator::Run();
46 static void send_callback(ns3::Ptr<ns3::Socket> sock, uint32_t txSpace){
47 SgFlow* flow = getFlowFromSocket(sock);
49 if (flow->remaining_ == 0) // all data was already buffered (and socket was already closed)
52 uint8_t *data = (uint8_t*)malloc(sizeof(uint8_t)*txSpace);
54 while (flow->bufferedBytes_ < flow->totalBytes_ && sock->GetTxAvailable () > 0) {
56 uint32_t toWrite = std::min ({flow->remaining_, txSpace, sock->GetTxAvailable ()});
57 int amountSent = sock->Send (data, toWrite, 0);
61 flow->bufferedBytes_ += amountSent;
62 flow->remaining_ -= amountSent;
64 XBT_DEBUG("send_cb of F[%p, %p, %d] (%d/%d) %d buffered", flow, flow->action_, flow->totalBytes_,
65 flow->remaining_, flow->totalBytes_, amountSent);
69 if ((flow->bufferedBytes_) >= flow->totalBytes_)
73 static void datasent_callback(ns3::Ptr<ns3::Socket> socket, uint32_t dataSent){
74 SgFlow* flow = getFlowFromSocket(socket);
75 flow->sentBytes_ += dataSent;
76 XBT_DEBUG("datasent_cb of F[%p, %p, %d] %d sent", flow, flow->action_, flow->totalBytes_, dataSent);
79 static void normalClose_callback(ns3::Ptr<ns3::Socket> socket){
80 SgFlow* flow = getFlowFromSocket(socket);
81 XBT_DEBUG("normalClose_cb of F[%p, %p, %d]", flow, flow->action_, flow->totalBytes_);
82 receive_callback (socket);
85 static void errorClose_callback(ns3::Ptr<ns3::Socket> socket){
86 SgFlow* flow = getFlowFromSocket(socket);
87 XBT_DEBUG("errorClose_cb of F[%p, %p, %d]", flow, flow->action_, flow->totalBytes_);
88 xbt_die("NS3: a socket was closed anormally");
91 static void succeededConnect_callback(ns3::Ptr<ns3::Socket> socket){
92 SgFlow* flow = getFlowFromSocket(socket);
93 XBT_DEBUG("succeededConnect_cb of F[%p, %p, %d]", flow, flow->action_, flow->totalBytes_);
96 static void failedConnect_callback(ns3::Ptr<ns3::Socket> socket){
97 SgFlow* mysocket = getFlowFromSocket(socket);
98 XBT_DEBUG("failedConnect_cb of F[%p, %p, %d]", mysocket, mysocket->action_, mysocket->totalBytes_);
99 xbt_die("NS3: a socket failed to connect");
102 void StartFlow(ns3::Ptr<ns3::Socket> sock, const char *to, uint16_t port_number)
104 ns3::InetSocketAddress serverAddr (to, port_number);
106 sock->Connect(serverAddr);
107 sock->SetSendCallback (MakeCallback (&send_callback));
108 sock->SetRecvCallback (MakeCallback (&receive_callback));
109 sock->SetDataSentCallback (MakeCallback (&datasent_callback));
110 sock->SetConnectCallback (MakeCallback (&succeededConnect_callback), MakeCallback (&failedConnect_callback));
111 sock->SetCloseCallbacks (MakeCallback (&normalClose_callback), MakeCallback (&errorClose_callback));
113 SgFlow* flow = getFlowFromSocket(sock);
114 XBT_DEBUG("startFlow_cb of F[%p, %p, %d] dest=%s port=%d", flow, flow->action_, flow->totalBytes_, to, port_number);