+++ /dev/null
-/* Copyright (c) 2007-2017. 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 "src/surf/ns3/ns3_simulator.hpp"
-#include "xbt/dict.h"
-#include "xbt/log.h"
-#include "xbt/sysdep.h"
-
-#include <algorithm>
-
-xbt_dict_t flowFromSock = nullptr; // ns3::sock -> SgFlow
-
-static void receive_callback(ns3::Ptr<ns3::Socket> socket);
-static void datasent_callback(ns3::Ptr<ns3::Socket> 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<ns3::Socket> socket)
-{
- return (SgFlow*)xbt_dict_get_or_null(flowFromSock, transformSocketPtr(socket));
-}
-
-static void receive_callback(ns3::Ptr<ns3::Socket> socket)
-{
- SgFlow* flow = getFlowFromSocket(socket);
-
- if (flow->finished_ == false) {
- flow->finished_ = true;
- XBT_DEBUG("recv_cb of F[%p, %p, %u]", 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 WriteUntilBufferFull(ns3::Ptr<ns3::Socket> sock, uint32_t txSpace)
-{
- SgFlow* flow = getFlowFromSocket(sock);
-
- if (flow->remaining_ == 0) // all data was already buffered (and socket was already closed)
- return;
-
- /* While not all is buffered and there remain space in the buffers */
- while (flow->bufferedBytes_ < flow->totalBytes_ && sock->GetTxAvailable() > 0) {
-
- uint32_t toWrite = std::min({flow->remaining_, sock->GetTxAvailable()});
- if (toWrite == 0) // buffer full
- return;
- int amountSent = sock->Send(0, toWrite, 0);
-
- xbt_assert(amountSent > 0, "Since TxAvailable>0, amountSent should also >0");
- flow->bufferedBytes_ += amountSent;
- flow->remaining_ -= amountSent;
-
- XBT_DEBUG("%f: sent %d bytes over flow %p (still %u to go)", ns3::Simulator::Now().GetSeconds(), amountSent, flow,
- flow->remaining_);
- }
-
- if (flow->bufferedBytes_ >= flow->totalBytes_)
- sock->Close();
-}
-
-static void datasent_callback(ns3::Ptr<ns3::Socket> socket, uint32_t dataSent)
-{
- /* The tracing wants to know */
- SgFlow* flow = getFlowFromSocket(socket);
- flow->sentBytes_ += dataSent;
- XBT_DEBUG("datasent_cb of F[%p, %p, %u] %u sent (%u total)", flow, flow->action_, flow->totalBytes_, dataSent,
- flow->sentBytes_);
-}
-
-static void normalClose_callback(ns3::Ptr<ns3::Socket> socket)
-{
- SgFlow* flow = getFlowFromSocket(socket);
- XBT_DEBUG("normalClose_cb of F[%p, %p, %u]", flow, flow->action_, flow->totalBytes_);
- receive_callback(socket);
-}
-
-static void errorClose_callback(ns3::Ptr<ns3::Socket> socket)
-{
- SgFlow* flow = getFlowFromSocket(socket);
- XBT_DEBUG("errorClose_cb of F[%p, %p, %u]", flow, flow->action_, flow->totalBytes_);
- xbt_die("NS3: a socket was closed anormally");
-}
-
-static void succeededConnect_callback(ns3::Ptr<ns3::Socket> socket)
-{
- SgFlow* flow = getFlowFromSocket(socket);
- XBT_DEBUG("succeededConnect_cb of F[%p, %p, %u]", flow, flow->action_, flow->totalBytes_);
-}
-
-static void failedConnect_callback(ns3::Ptr<ns3::Socket> socket)
-{
- SgFlow* mysocket = getFlowFromSocket(socket);
- XBT_DEBUG("failedConnect_cb of F[%p, %p, %u]", mysocket, mysocket->action_, mysocket->totalBytes_);
- xbt_die("NS3: a socket failed to connect");
-}
-
-void StartFlow(ns3::Ptr<ns3::Socket> sock, const char* to, uint16_t port_number)
-{
- SgFlow* flow = getFlowFromSocket(sock);
- ns3::InetSocketAddress serverAddr(to, port_number);
-
- sock->Connect(serverAddr);
- // tell the tcp implementation to call WriteUntilBufferFull again
- // if we blocked and new tx buffer space becomes available
- sock->SetSendCallback(MakeCallback(&WriteUntilBufferFull));
- // Note when the send is over
- sock->SetRecvCallback(MakeCallback(&receive_callback));
- // Keep track of what was used (for the TRACING module)
- sock->SetDataSentCallback(MakeCallback(&datasent_callback));
- XBT_DEBUG("startFlow of F[%p, %p, %u] dest=%s port=%d", flow, flow->action_, flow->totalBytes_, to, port_number);
-
- // WriteUntilBufferFull (sock, sock->GetTxAvailable ());
- /*
- sock->SetSendCallback(MakeCallback(&send_callback));
- sock->SetConnectCallback(MakeCallback(&succeededConnect_callback), MakeCallback(&failedConnect_callback));
- sock->SetCloseCallbacks(MakeCallback(&normalClose_callback), MakeCallback(&errorClose_callback));
- send_callback(sock, sock->GetTxAvailable ());
- */
-}