X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/8a5a52c31203af9e7eb66dc1c1c8f4e6b14d0b70..869bab7c75d9f24180c83d38a6ef26bb91dca616:/src/surf/ns3/ns3_simulator.cc diff --git a/src/surf/ns3/ns3_simulator.cc b/src/surf/ns3/ns3_simulator.cc index c3911fac35..5ca5b4cf0e 100644 --- a/src/surf/ns3/ns3_simulator.cc +++ b/src/surf/ns3/ns3_simulator.cc @@ -1,40 +1,45 @@ -/* 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 receive_callback(ns3::Ptr localSocket); +static void send_callback(ns3::Ptr localSocket, uint32_t txSpace); +static void datasent_callback(ns3::Ptr localSocket, 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 void transformSocketPtr (ns3::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 @@ -42,119 +47,131 @@ 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, - 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)); + if(!dict_socket) + dict_socket = xbt_dict_new_homogeneous(delete_mysocket); + + ns3::PacketSinkHelper sink("ns3::TcpSocketFactory", ns3::InetSocketAddress (ns3::Ipv4Address::GetAny(), port_number)); sink.Install (dst); - Ptr sock = Socket::CreateSocket (src, TypeId::LookupByName ("ns3::TcpSocketFactory")); + + ns3::Ptr sock = ns3::Socket::CreateSocket (src, ns3::TcpSocketFactory::GetTypeId()); + MySocket *mysocket = new MySocket(); - mysocket->TotalBytes = TotalBytes; - mysocket->remaining = TotalBytes; - mysocket->last_amount_sent = 0; - mysocket->bufferedBytes = 0; - 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); + + 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); + + ns3::Simulator::Schedule (ns3::Seconds(startTime-ns3::Simulator::Now().GetSeconds()), + &StartFlow, sock, ipAddr, port_number); } -char NS3Sim::get_finished(void *socket){ - return ((MySocket *)socket)->finished; +void NS3Sim::simulator_start(double min){ + if(min > 0.0) + ns3::Simulator::Stop(ns3::Seconds(min)); + XBT_DEBUG("Start simulator '%f'",min); + ns3::Simulator::Run (); } -double NS3Sim::get_remains_from_socket(void *socket){ - return ((MySocket *)socket)->remaining; +static MySocket* get_my_socket(ns3::Ptr localSocket) { + transformSocketPtr(localSocket); + return (MySocket*)xbt_dict_get_or_null(dict_socket,socket_key); } -double NS3Sim::get_last_amount_sent_from_socket(void *socket){ - return ((MySocket *)socket)->last_amount_sent; +static void receive_callback(ns3::Ptr localSocket){ + 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", ns3::Simulator::Now().GetSeconds()); + ns3::Simulator::Stop(ns3::Seconds(0.0)); + ns3::Simulator::Run(); + } } -void NS3Sim::reset_last_amount_sent_from_socket(void *socket){ - ((MySocket *)socket)->last_amount_sent = 0; +static void send_callback(ns3::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; + } + + uint8_t *data = (uint8_t*)malloc(sizeof(uint8_t)*txSpace); + + while (mysocket->bufferedBytes < mysocket->totalBytes + && localSocket->GetTxAvailable () > 0) + { + uint32_t toWrite = std::min ((mysocket->remaining), txSpace); + toWrite = std::min (toWrite, localSocket->GetTxAvailable ()); + int amountSent = localSocket->Send (data, toWrite, 0); + + if(amountSent < 0) + return; + (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); + + } + + free(data); + + if ((mysocket->bufferedBytes) >= mysocket->totalBytes) + localSocket->Close(); } -void NS3Sim::simulator_stop(double min){ - if(min > 0.0) - Simulator::Stop(Seconds(min)); - else - Simulator::Stop(); +static void datasent_callback(ns3::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); } -void NS3Sim::simulator_start(void){ - XBT_DEBUG("Start simulator"); - Simulator::Run (); +static void normalClose_callback(ns3::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 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(); +static void errorClose_callback(ns3::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 send_callback(Ptr localSocket, uint32_t txSpace){ - - 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->bufferedBytes) < totalBytes && localSocket->GetTxAvailable () > 0){ - uint32_t toWrite = min ((mysocket->remaining), writeSize); - toWrite = min (toWrite, localSocket->GetTxAvailable ()); - int amountSent = localSocket->Send (&data[0], toWrite, 0); - - if(amountSent < 0) - return; - - (mysocket->last_amount_sent) += amountSent; - (mysocket->bufferedBytes) += amountSent; - (mysocket->remaining) -= amountSent; - //cout << "[" << Simulator::Now ().GetSeconds() << "] " << "Send one packet, remaining "<< mysocket->remaining << " bytes!" << endl; - } - if ((mysocket->bufferedBytes) >= TotalBytes){ - localSocket->Close(); - } +static void succeededConnect_callback(ns3::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(ns3::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) +static void StartFlow(ns3::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; + 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)); + + 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); }