X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/0f2e41ab1b3e2ce012c6d47747db0f762be90c56..d1777fcffb50c52486a2206c839455021045c281:/src/surf/ns3/ns3_simulator.cc diff --git a/src/surf/ns3/ns3_simulator.cc b/src/surf/ns3/ns3_simulator.cc index 7c62e05cc8..81ac50c8c7 100644 --- a/src/surf/ns3/ns3_simulator.cc +++ b/src/surf/ns3/ns3_simulator.cc @@ -1,40 +1,49 @@ -/* 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" -using namespace ns3; -using namespace std; - -xbt_dict_t dict_socket = NULL; +static void delete_mysocket(void *p) +{ + delete (SgFlow *)p; +} +xbt_dict_t flowFromSock = xbt_dict_new_homogeneous(delete_mysocket);; // ns3::sock -> SgFlow NS3Sim SimulatorNS3; -static void receive_callback(Ptr localSocket); -static void send_callback(Ptr localSocket, uint32_t txSpace); -static void datasent_callback(Ptr localSocket, uint32_t dataSent); -static void StartFlow(Ptr sock, - const char *to, - uint16_t port_number); +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); +static void StartFlow(ns3::Ptr sock, const char *to, uint16_t port_number); -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simulator_ns3, surf, - "Logging specific to the SURF network NS3 module"); +XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(ns3); -// Constructor. NS3Sim::NS3Sim(){ } -//Destructor. -NS3Sim::~NS3Sim(){ + +static inline const char *transformSocketPtr (ns3::Ptr localSocket) +{ + static char key[24]; + std::stringstream sstream; + sstream << localSocket ; + sprintf(key,"%s",sstream.str().c_str()); + + return key; } +SgFlow::SgFlow(uint32_t totalBytes, simgrid::surf::NetworkNS3Action * action) { + totalBytes_ = totalBytes; + remaining_ = totalBytes; + action_ = action; +} /* - * This function create a flow from src to dst + * This function creates a flow from src to dst * * Parameters * src: node source @@ -44,131 +53,107 @@ NS3Sim::~NS3Sim(){ * addr: ip address * totalBytes: number of bytes to transmit */ -void NS3Sim::create_flow_NS3( - Ptr src, - Ptr dst, - uint16_t port_number, - double start, - const char *addr, - uint32_t totalBytes, - void * action) +void NS3Sim::create_flow_NS3(ns3::Ptr src, ns3::Ptr dst, uint16_t port_number, + double startTime, const char *ipAddr, uint32_t totalBytes, + simgrid::surf::NetworkNS3Action * action) { - if(!dict_socket) dict_socket = xbt_dict_new(); - - PacketSinkHelper sink ("ns3::TcpSocketFactory", - InetSocketAddress (Ipv4Address::GetAny(), - port_number)); + ns3::PacketSinkHelper sink("ns3::TcpSocketFactory", ns3::InetSocketAddress (ns3::Ipv4Address::GetAny(), port_number)); sink.Install (dst); - Ptr sock = Socket::CreateSocket (src, - TcpSocketFactory::GetTypeId()); - - MySocket *mysocket = new MySocket(); - mysocket->totalBytes = totalBytes; - mysocket->remaining = totalBytes; - mysocket->bufferedBytes = 0; - mysocket->sentBytes = 0; - mysocket->finished = 0; - mysocket->action = action; - xbt_dict_set(dict_socket,(const char*)&sock, mysocket,NULL); - sock->Bind(InetSocketAddress(port_number)); - Simulator::Schedule (Seconds(0.0),&StartFlow, sock, addr, port_number); -} -void* NS3Sim::get_action_from_socket(void *socket){ - return ((MySocket *)socket)->action; -} + ns3::Ptr sock = ns3::Socket::CreateSocket (src, ns3::TcpSocketFactory::GetTypeId()); -char NS3Sim::get_finished(void *socket){ - return ((MySocket *)socket)->finished; -} + xbt_dict_set(flowFromSock, transformSocketPtr(sock), new SgFlow(totalBytes, action), NULL); -double NS3Sim::get_remains_from_socket(void *socket){ - return ((MySocket *)socket)->remaining; -} + sock->Bind(ns3::InetSocketAddress(port_number)); + XBT_DEBUG("Create flow starting to %fs + %fs = %fs", + startTime-ns3::Simulator::Now().GetSeconds(), ns3::Simulator::Now().GetSeconds(), startTime); -double NS3Sim::get_sent_from_socket(void *socket){ - return ((MySocket *)socket)->sentBytes; + ns3::Simulator::Schedule (ns3::Seconds(startTime-ns3::Simulator::Now().GetSeconds()), + &StartFlow, sock, ipAddr, port_number); } void NS3Sim::simulator_start(double min){ if(min > 0.0) - Simulator::Stop(Seconds(min)); - XBT_DEBUG("Start simulator"); - Simulator::Run (); + ns3::Simulator::Stop(ns3::Seconds(min)); + XBT_DEBUG("Start simulator '%f'",min); + ns3::Simulator::Run (); } -static void receive_callback(Ptr localSocket){ - MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket); +static SgFlow* getFlowFromSocket(ns3::Ptr socket) { + return (SgFlow*)xbt_dict_get_or_null(flowFromSock, transformSocketPtr(socket)); +} - if (mysocket->finished == 0){ - mysocket->finished = 1; - XBT_DEBUG("recv_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes); - XBT_DEBUG("Stop simulator at %f seconds", Simulator::Now().GetSeconds()); - Simulator::Stop(Seconds(0.0)); - Simulator::Run(); +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(Ptr localSocket, uint32_t txSpace){ +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); - MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket); - if (mysocket->remaining == 0){ - //all data was already buffered (and socket was already closed), just return - return; - } - while (mysocket->sentBytes < mysocket->totalBytes - && localSocket->GetTxAvailable () > 0) - { - uint32_t toWrite = min ((mysocket->remaining), txSpace); - toWrite = min (toWrite, localSocket->GetTxAvailable ()); - int amountSent = localSocket->Send (&data[0], toWrite, 0); + + 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; - (mysocket->sentBytes) += amountSent; - (mysocket->remaining) -= amountSent; - XBT_DEBUG("send_cb of F[%p, %p, %d] (%d/%d) %d buffered", mysocket, mysocket->action, mysocket->totalBytes, mysocket->remaining, mysocket->totalBytes, amountSent); + 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); } - if ((mysocket->sentBytes) >= mysocket->totalBytes){ - localSocket->Close(); - } + free(data); + + if ((flow->bufferedBytes_) >= flow->totalBytes_) + sock->Close(); } -static void datasent_callback(Ptr localSocket, uint32_t dataSent){ - MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket); - mysocket->sentBytes += dataSent; - XBT_DEBUG("datasent_cb of F[%p, %p, %d] %d sent", mysocket, mysocket->action, mysocket->totalBytes, dataSent); +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(Ptr localSocket){ - MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket); - XBT_DEBUG("normalClose_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes); - receive_callback (localSocket); +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(Ptr localSocket){ - MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket); - XBT_DEBUG("errorClose_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes); +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(Ptr localSocket){ - MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket); - XBT_DEBUG("succeededConnect_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes); +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(Ptr localSocket){ - MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket); - XBT_DEBUG("failedConnect_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->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"); } -static void StartFlow(Ptr sock, - const char *to, - uint16_t port_number) +static void StartFlow(ns3::Ptr sock, const char *to, uint16_t port_number) { - InetSocketAddress serverAddr (to, port_number); + ns3::InetSocketAddress serverAddr (to, port_number); sock->Connect(serverAddr); sock->SetSendCallback (MakeCallback (&send_callback)); @@ -177,6 +162,6 @@ static void StartFlow(Ptr sock, sock->SetConnectCallback (MakeCallback (&succeededConnect_callback), MakeCallback (&failedConnect_callback)); sock->SetCloseCallbacks (MakeCallback (&normalClose_callback), MakeCallback (&errorClose_callback)); - MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&sock); - XBT_DEBUG("startFlow_cb of F[%p, %p, %d] dest=%s port=%d", mysocket, mysocket->action, mysocket->totalBytes, to, port_number); + 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); }