X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9223880adde1ff3d7b8941ca474eab9acfa862c5..757ea9f06e8648bf2d3c6582a0c2b6f2ab48ed26:/src/surf/ns3/ns3_simulator.cc diff --git a/src/surf/ns3/ns3_simulator.cc b/src/surf/ns3/ns3_simulator.cc index 29fd20e182..e7b3382097 100644 --- a/src/surf/ns3/ns3_simulator.cc +++ b/src/surf/ns3/ns3_simulator.cc @@ -1,14 +1,115 @@ -/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team. +/* Copyright (c) 2007-2016. The SimGrid Team. * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ -#include "surf/ns3/ns3_simulator.h" +#include "src/surf/ns3/ns3_simulator.h" +#include "xbt/dict.h" +#include "xbt/log.h" +#include "xbt/sysdep.h" -// Constructor. -NS3Sim::NS3Sim(){ +static void delete_mysocket(void *p) +{ + delete (SgFlow *)p; } -//Destructor. -NS3Sim::~NS3Sim(){ +xbt_dict_t flowFromSock = xbt_dict_new_homogeneous(delete_mysocket);; // ns3::sock -> SgFlow + +static void receive_callback(ns3::Ptr socket); +static void send_callback(ns3::Ptr sock, uint32_t txSpace); +static void datasent_callback(ns3::Ptr socket, uint32_t dataSent); + +XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(ns3); + +SgFlow::SgFlow(uint32_t totalBytes, simgrid::surf::NetworkNS3Action * action) { + totalBytes_ = totalBytes; + remaining_ = totalBytes; + action_ = action; +} + +static SgFlow* getFlowFromSocket(ns3::Ptr socket) { + return (SgFlow*)xbt_dict_get_or_null(flowFromSock, transformSocketPtr(socket)); +} + +static void receive_callback(ns3::Ptr socket){ + SgFlow* flow = getFlowFromSocket(socket); + + if (flow->finished_ == false){ + flow->finished_ = true; + XBT_DEBUG("recv_cb of F[%p, %p, %d]", flow, flow->action_, flow->totalBytes_); + XBT_DEBUG("Stop simulator at %f seconds", ns3::Simulator::Now().GetSeconds()); + ns3::Simulator::Stop(ns3::Seconds(0.0)); + ns3::Simulator::Run(); + } +} + +static void send_callback(ns3::Ptr sock, uint32_t txSpace){ + SgFlow* flow = getFlowFromSocket(sock); + + if (flow->remaining_ == 0) // all data was already buffered (and socket was already closed) + return; + + uint8_t *data = (uint8_t*)malloc(sizeof(uint8_t)*txSpace); + + while (flow->bufferedBytes_ < flow->totalBytes_ && sock->GetTxAvailable () > 0) { + + uint32_t toWrite = std::min ({flow->remaining_, txSpace, sock->GetTxAvailable ()}); + int amountSent = sock->Send (data, toWrite, 0); + + if(amountSent < 0) + return; + flow->bufferedBytes_ += amountSent; + flow->remaining_ -= amountSent; + + XBT_DEBUG("send_cb of F[%p, %p, %d] (%d/%d) %d buffered", flow, flow->action_, flow->totalBytes_, + flow->remaining_, flow->totalBytes_, amountSent); + } + free(data); + + if ((flow->bufferedBytes_) >= flow->totalBytes_) + sock->Close(); +} + +static void datasent_callback(ns3::Ptr socket, uint32_t dataSent){ + SgFlow* flow = getFlowFromSocket(socket); + flow->sentBytes_ += dataSent; + XBT_DEBUG("datasent_cb of F[%p, %p, %d] %d sent", flow, flow->action_, flow->totalBytes_, dataSent); +} + +static void normalClose_callback(ns3::Ptr socket){ + SgFlow* flow = getFlowFromSocket(socket); + XBT_DEBUG("normalClose_cb of F[%p, %p, %d]", flow, flow->action_, flow->totalBytes_); + receive_callback (socket); +} + +static void errorClose_callback(ns3::Ptr socket){ + SgFlow* flow = getFlowFromSocket(socket); + XBT_DEBUG("errorClose_cb of F[%p, %p, %d]", flow, flow->action_, flow->totalBytes_); + xbt_die("NS3: a socket was closed anormally"); +} + +static void succeededConnect_callback(ns3::Ptr socket){ + SgFlow* flow = getFlowFromSocket(socket); + XBT_DEBUG("succeededConnect_cb of F[%p, %p, %d]", flow, flow->action_, flow->totalBytes_); +} + +static void failedConnect_callback(ns3::Ptr socket){ + SgFlow* mysocket = getFlowFromSocket(socket); + XBT_DEBUG("failedConnect_cb of F[%p, %p, %d]", mysocket, mysocket->action_, mysocket->totalBytes_); + xbt_die("NS3: a socket failed to connect"); +} + +void StartFlow(ns3::Ptr sock, const char *to, uint16_t port_number) +{ + ns3::InetSocketAddress serverAddr (to, port_number); + + sock->Connect(serverAddr); + sock->SetSendCallback (MakeCallback (&send_callback)); + sock->SetRecvCallback (MakeCallback (&receive_callback)); + sock->SetDataSentCallback (MakeCallback (&datasent_callback)); + sock->SetConnectCallback (MakeCallback (&succeededConnect_callback), MakeCallback (&failedConnect_callback)); + sock->SetCloseCallbacks (MakeCallback (&normalClose_callback), MakeCallback (&errorClose_callback)); + + SgFlow* flow = getFlowFromSocket(sock); + XBT_DEBUG("startFlow_cb of F[%p, %p, %d] dest=%s port=%d", flow, flow->action_, flow->totalBytes_, to, port_number); }