X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1ee06836f97375c683e9e31d24ff77fb258b453b..29cedcb0af274d0dd82224451767e8d01162d734:/src/surf/ns3/ns3_simulator.cc diff --git a/src/surf/ns3/ns3_simulator.cc b/src/surf/ns3/ns3_simulator.cc index a1dd0ed68c..de44c3858a 100644 --- a/src/surf/ns3/ns3_simulator.cc +++ b/src/surf/ns3/ns3_simulator.cc @@ -1,40 +1,50 @@ -/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team. +/* Copyright (c) 2007-2014. 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; -static const uint32_t writeSize = 1024; // limit the amout of data to write -uint8_t data[writeSize]; xbt_dict_t dict_socket = NULL; NS3Sim SimulatorNS3; +static char socket_key[24]; static void receive_callback(Ptr localSocket); static void send_callback(Ptr localSocket, uint32_t txSpace); -static void StartFlow(Ptr sock, - const char *to, - uint16_t port_number); +static void datasent_callback(Ptr localSocket, uint32_t dataSent); +static void StartFlow(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 void transformSocketPtr (Ptr localSocket) +{ + std::stringstream sstream; + sstream << localSocket ; + std::string s = sstream.str(); + sprintf(socket_key,"%s",s.c_str()); +} + +static void delete_mysocket(void *p) +{ + MySocket *sock = (MySocket *)p; + delete(sock); +} + /* - * This function create a flow from src to dst + * This function creates a flow from src to dst * * Parameters * src: node source @@ -42,7 +52,7 @@ NS3Sim::~NS3Sim(){ * port_number: The port number to use * start: the time the communication start * addr: ip address - * TotalBytes: number of bytes to transmit + * totalBytes: number of bytes to transmit */ void NS3Sim::create_flow_NS3( Ptr src, @@ -50,99 +60,128 @@ void NS3Sim::create_flow_NS3( uint16_t port_number, double start, const char *addr, - uint32_t TotalBytes, - void * action) + uint32_t totalBytes, + simgrid::surf::NetworkNS3Action * action) { - if(!dict_socket) dict_socket = xbt_dict_new(); - PacketSinkHelper sink ("ns3::TcpSocketFactory", InetSocketAddress (Ipv4Address::GetAny(), port_number)); + if(!dict_socket) + dict_socket = xbt_dict_new_homogeneous(delete_mysocket); + + PacketSinkHelper sink ("ns3::TcpSocketFactory", + InetSocketAddress (Ipv4Address::GetAny(), + port_number)); sink.Install (dst); - Ptr sock = Socket::CreateSocket (src, TypeId::LookupByName ("ns3::TcpSocketFactory")); + + Ptr sock = Socket::CreateSocket (src, TcpSocketFactory::GetTypeId()); + MySocket *mysocket = new MySocket(); - mysocket->TotalBytes = TotalBytes; - mysocket->remaining = TotalBytes; - mysocket->sentBytes = 0; - mysocket->finished = 0; + mysocket->totalBytes = totalBytes; + mysocket->remaining = totalBytes; mysocket->action = action; - xbt_dict_set(dict_socket,(const char*)&sock, mysocket,NULL); - sock->Bind(InetSocketAddress(port_number)); - Simulator::Schedule (Seconds(start),&StartFlow, sock, addr, port_number); -} -void* NS3Sim::get_action_from_socket(void *socket){ - return ((MySocket *)socket)->action; -} + transformSocketPtr(sock); + xbt_dict_set(dict_socket,socket_key, mysocket,NULL); -char NS3Sim::get_finished(void *socket){ - return ((MySocket *)socket)->finished; -} + sock->Bind(InetSocketAddress(port_number)); + XBT_DEBUG("Create flow starting to %fs + %fs = %fs",start-ns3::Simulator::Now().GetSeconds(), ns3::Simulator::Now().GetSeconds(), start); -double NS3Sim::get_remains_from_socket(void *socket){ - return ((MySocket *)socket)->remaining; + Simulator::Schedule (Seconds(start-ns3::Simulator::Now().GetSeconds()),&StartFlow, sock, addr, port_number); } -void NS3Sim::simulator_stop(double min){ - if(min > 0.0) - Simulator::Stop(Seconds(min)); - else - Simulator::Stop(); +void NS3Sim::simulator_start(double min){ + if(min > 0.0) + Simulator::Stop(Seconds(min)); + XBT_DEBUG("Start simulator '%f'",min); + Simulator::Run (); } -void NS3Sim::simulator_start(void){ - XBT_DEBUG("Start simulator"); - Simulator::Run (); +static MySocket* get_my_socket(Ptr localSocket) { + transformSocketPtr(localSocket); + return (MySocket*)xbt_dict_get_or_null(dict_socket,socket_key); } static void receive_callback(Ptr localSocket){ - Address addr; - localSocket->GetSockName (addr); - InetSocketAddress iaddr = InetSocketAddress::ConvertFrom (addr); - MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket); - mysocket->finished = 1; - - //cout << "[" << Simulator::Now ().GetSeconds() << "] " << "Received [" << mysocket->TotalBytes << "bytes], from: " << iaddr.GetIpv4 () << " port: " << iaddr.GetPort () << endl; - std::stringstream sstream; - sstream << Simulator::Now ().GetSeconds(); - std::string s = sstream.str(); - size_t size = s.size() + 1; - char * time_sec = new char[ size ]; - strncpy( time_sec, s.c_str(), size ); - XBT_DEBUG("Stop simulator at %s seconds",time_sec); - Simulator::Stop(); + MySocket* mysocket = get_my_socket(localSocket); + + if (mysocket->finished == false){ + mysocket->finished = true; + 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 send_callback(Ptr localSocket, uint32_t txSpace){ + MySocket* mysocket = get_my_socket(localSocket); + + if (mysocket->remaining == 0){ + // all data was already buffered (and socket was already closed), just return + return; + } - Address addr; - localSocket->GetSockName (addr); - InetSocketAddress iaddr = InetSocketAddress::ConvertFrom (addr); - MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket); - uint32_t totalBytes = mysocket->TotalBytes; - while ((mysocket->sentBytes) < totalBytes && localSocket->GetTxAvailable () > 0){ - uint32_t toWrite = min ((mysocket->remaining), writeSize); + uint8_t *data = (uint8_t*)malloc(sizeof(uint8_t)*txSpace); + + while (mysocket->bufferedBytes < 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); + int amountSent = localSocket->Send (data, toWrite, 0); if(amountSent < 0) return; - (mysocket->sentBytes) += amountSent; - (mysocket->remaining) -= amountSent; - //cout << "[" << Simulator::Now ().GetSeconds() << "] " << "Send one packet, remaining "<< mysocket->remaining << " bytes!" << endl; + (mysocket->bufferedBytes) += 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); + } - if ((mysocket->sentBytes) >= totalBytes){ + + free(data); + + if ((mysocket->bufferedBytes) >= mysocket->totalBytes) localSocket->Close(); - } +} + +static void datasent_callback(Ptr localSocket, uint32_t dataSent){ + MySocket* mysocket = get_my_socket(localSocket); + mysocket->sentBytes += dataSent; + XBT_DEBUG("datasent_cb of F[%p, %p, %d] %d sent", mysocket, mysocket->action, mysocket->totalBytes, dataSent); +} +static void normalClose_callback(Ptr localSocket){ + MySocket* mysocket = get_my_socket(localSocket); + XBT_DEBUG("normalClose_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes); + receive_callback (localSocket); } -static void StartFlow(Ptr sock, - const char *to, - uint16_t port_number) +static void errorClose_callback(Ptr localSocket){ + MySocket* mysocket = get_my_socket(localSocket); + XBT_DEBUG("errorClose_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes); + xbt_die("NS3: a socket was closed anormally"); +} + +static void succeededConnect_callback(Ptr localSocket){ + MySocket* mysocket = get_my_socket(localSocket); + XBT_DEBUG("succeededConnect_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes); +} + +static void failedConnect_callback(Ptr localSocket){ + MySocket* mysocket = get_my_socket(localSocket); + 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) { InetSocketAddress serverAddr (to, port_number); - //cout << "[" << Simulator::Now().GetSeconds() << "] Starting flow to " << to << " using port " << port_number << endl; - 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)); + + MySocket* mysocket = get_my_socket(sock); + XBT_DEBUG("startFlow_cb of F[%p, %p, %d] dest=%s port=%d", mysocket, mysocket->action, mysocket->totalBytes, to, port_number); }