X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/36d71e3707463a389153fbf9cebd68ce4a5276a1..06bae8eb4bc956a5ee70ec1d3cdbc5e7e782536f:/src/surf/ns3/ns3_simulator.cc diff --git a/src/surf/ns3/ns3_simulator.cc b/src/surf/ns3/ns3_simulator.cc index 54d45c8476..5e2c1084ba 100644 --- a/src/surf/ns3/ns3_simulator.cc +++ b/src/surf/ns3/ns3_simulator.cc @@ -7,6 +7,7 @@ #include "surf/ns3/ns3_simulator.h" #include "xbt/dict.h" #include "xbt/log.h" +#include "xbt/sysdep.h" using namespace ns3; using namespace std; @@ -14,6 +15,7 @@ using namespace std; 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); @@ -32,6 +34,13 @@ NS3Sim::NS3Sim(){ NS3Sim::~NS3Sim(){ } +static XBT_INLINE void transformSocketPtr (Ptr localSocket){ + std::stringstream sstream; + sstream << localSocket ; + std::string s = sstream.str(); + sprintf(socket_key,"%s",s.c_str()); +} + /* * This function create a flow from src to dst * @@ -52,12 +61,13 @@ void NS3Sim::create_flow_NS3( uint32_t totalBytes, void * action) { - if(!dict_socket) dict_socket = xbt_dict_new(); + if(!dict_socket) dict_socket = xbt_dict_new_homogeneous(free); PacketSinkHelper sink ("ns3::TcpSocketFactory", InetSocketAddress (Ipv4Address::GetAny(), port_number)); sink.Install (dst); + Ptr sock = Socket::CreateSocket (src, TcpSocketFactory::GetTypeId()); @@ -68,9 +78,16 @@ void NS3Sim::create_flow_NS3( mysocket->sentBytes = 0; mysocket->finished = 0; mysocket->action = action; - xbt_dict_set(dict_socket,(const char*)&sock, mysocket,NULL); + + transformSocketPtr(sock); + xbt_dict_set(dict_socket,socket_key, mysocket,NULL); + sock->Bind(InetSocketAddress(port_number)); - Simulator::Schedule (Seconds(start),&StartFlow, sock, addr, port_number); + XBT_DEBUG("Create flow starting to %fs + %fs = %fs",start-ns3_time(), ns3_time(), start); + + Simulator::Schedule (Seconds(start-ns3_time()),&StartFlow, sock, addr, port_number); +// Simulator::Schedule (Seconds(0.0),&StartFlow, sock, addr, port_number); + } void* NS3Sim::get_action_from_socket(void *socket){ @@ -89,60 +106,90 @@ double NS3Sim::get_sent_from_socket(void *socket){ return ((MySocket *)socket)->sentBytes; } -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"); + 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){ - MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket); + MySocket* mysocket = get_my_socket(localSocket); if (mysocket->finished == 0){ mysocket->finished = 1; -// cout << "[" << Simulator::Now ().GetSeconds() << "] " << "recv_cb of F[" << mysocket->totalBytes << "] " << endl; + 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(); + Simulator::Stop(Seconds(0.0)); + Simulator::Run(); } } static void send_callback(Ptr localSocket, uint32_t txSpace){ - MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket); + MySocket* mysocket = get_my_socket(localSocket); if (mysocket->remaining == 0){ - //all data was already buffered (and socket was already closed), just return - return; + //all data was already buffered (and socket was already closed), just return + return; } - uint32_t toWrite = min (mysocket->remaining, txSpace); - uint8_t *data = (uint8_t*)malloc(sizeof(uint8_t)*toWrite); - int amountSent = localSocket->Send (&data[0], toWrite, 0); - free (data); - if (amountSent > 0){ - mysocket->bufferedBytes += amountSent; - mysocket->remaining -= amountSent; - } -// cout << "[" << Simulator::Now ().GetSeconds() << "] " << "send_cb of F[" << mysocket->totalBytes << "] ("<< mysocket->remaining << " / " << mysocket->totalBytes << ") " << amountSent << " buffered." << endl; + uint8_t *data = (uint8_t*)malloc(sizeof(uint8_t)*txSpace); - if (mysocket->remaining == 0){ - //everything was buffered to send, tell NS3 to close the socket - localSocket->Close(); - } - return; + 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, 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(); + } } static void datasent_callback(Ptr localSocket, uint32_t dataSent){ - MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket); + MySocket* mysocket = get_my_socket(localSocket); mysocket->sentBytes += dataSent; -// cout << "[" << Simulator::Now ().GetSeconds() << "] " << "datasent_cb of F[" << mysocket->totalBytes << "] " << dataSent << " sent." << endl; + 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 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, @@ -150,10 +197,13 @@ static void StartFlow(Ptr sock, { 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); }