+ looping on the ports used to communicate,
+ and closing the sockets on the receiver sides (nb. the senders sockets were already closed). This point also improves the NS-3 bindings performance.
#include <ns3/ipv4-address-helper.h>
#include <ns3/packet-sink-helper.h>
#include <ns3/point-to-point-helper.h>
#include <ns3/ipv4-address-helper.h>
#include <ns3/packet-sink-helper.h>
#include <ns3/point-to-point-helper.h>
+#include <ns3/application-container.h>
#include "network_ns3.hpp"
#include "ns3/ns3_simulator.hpp"
#include "network_ns3.hpp"
#include "ns3/ns3_simulator.hpp"
*****************/
extern std::map<std::string, SgFlow*> flow_from_sock;
*****************/
extern std::map<std::string, SgFlow*> flow_from_sock;
+extern std::map<std::string, ns3::ApplicationContainer> sink_from_sock;
static ns3::InternetStackHelper stack;
static ns3::NodeContainer nodes;
static ns3::InternetStackHelper stack;
static ns3::NodeContainer nodes;
}
delete flow;
flow_from_sock.erase(ns3_socket);
}
delete flow;
flow_from_sock.erase(ns3_socket);
+ sink_from_sock.erase(ns3_socket);
XBT_DEBUG("ns3: Create flow of %.0f Bytes from %u to %u with Interface %s", totalBytes, node1, node2, addr.c_str());
ns3::PacketSinkHelper sink("ns3::TcpSocketFactory", ns3::InetSocketAddress(ns3::Ipv4Address::GetAny(), port_number));
XBT_DEBUG("ns3: Create flow of %.0f Bytes from %u to %u with Interface %s", totalBytes, node1, node2, addr.c_str());
ns3::PacketSinkHelper sink("ns3::TcpSocketFactory", ns3::InetSocketAddress(ns3::Ipv4Address::GetAny(), port_number));
- sink.Install(dst_node);
+ ns3::ApplicationContainer apps = sink.Install(dst_node);
ns3::Ptr<ns3::Socket> sock = ns3::Socket::CreateSocket(src_node, ns3::TcpSocketFactory::GetTypeId());
flow_from_sock.insert({transform_socket_ptr(sock), new SgFlow(totalBytes, this)});
ns3::Ptr<ns3::Socket> sock = ns3::Socket::CreateSocket(src_node, ns3::TcpSocketFactory::GetTypeId());
flow_from_sock.insert({transform_socket_ptr(sock), new SgFlow(totalBytes, this)});
+ sink_from_sock.insert({transform_socket_ptr(sock), apps});
sock->Bind(ns3::InetSocketAddress(port_number));
ns3::Simulator::ScheduleNow(&start_flow, sock, addr.c_str(), port_number);
port_number++;
sock->Bind(ns3::InetSocketAddress(port_number));
ns3::Simulator::ScheduleNow(&start_flow, sock, addr.c_str(), port_number);
port_number++;
+ if(port_number > 65000){
+ port_number = 1025;
+ XBT_WARN("Too many connections! Port number is saturated. Trying to use the oldest ports.");
+ }
xbt_assert(port_number <= 65000, "Too many connections! Port number is saturated.");
s4u::Link::on_communicate(*this, src, dst);
xbt_assert(port_number <= 65000, "Too many connections! Port number is saturated.");
s4u::Link::on_communicate(*this, src, dst);
#include <ns3/ipv4-address-helper.h>
#include <ns3/point-to-point-helper.h>
#include <ns3/ipv4-address-helper.h>
#include <ns3/point-to-point-helper.h>
+#include <ns3/application-container.h>
+#include <ns3/ptr.h>
+#include <ns3/callback.h>
+#include <ns3/packet-sink.h>
#include <algorithm>
std::map<std::string, SgFlow*> flow_from_sock; // ns3::sock -> SgFlow
#include <algorithm>
std::map<std::string, SgFlow*> flow_from_sock; // ns3::sock -> SgFlow
+std::map<std::string, ns3::ApplicationContainer> sink_from_sock; // ns3::sock -> ns3::PacketSink
static void receive_callback(ns3::Ptr<ns3::Socket> socket);
static void datasent_cb(ns3::Ptr<ns3::Socket> socket, uint32_t dataSent);
static void receive_callback(ns3::Ptr<ns3::Socket> socket);
static void datasent_cb(ns3::Ptr<ns3::Socket> socket, uint32_t dataSent);
return (it == flow_from_sock.end()) ? nullptr : it->second;
}
return (it == flow_from_sock.end()) ? nullptr : it->second;
}
+static ns3::ApplicationContainer* getSinkFromSocket(ns3::Ptr<ns3::Socket> socket)
+{
+ auto it = sink_from_sock.find(transform_socket_ptr(socket));
+ return (it == sink_from_sock.end()) ? nullptr : &(it->second);
+}
+
static void receive_callback(ns3::Ptr<ns3::Socket> socket)
{
SgFlow* flow = getFlowFromSocket(socket);
static void receive_callback(ns3::Ptr<ns3::Socket> socket)
{
SgFlow* flow = getFlowFromSocket(socket);
static void send_cb(ns3::Ptr<ns3::Socket> sock, uint32_t txSpace)
{
SgFlow* flow = getFlowFromSocket(sock);
static void send_cb(ns3::Ptr<ns3::Socket> sock, uint32_t txSpace)
{
SgFlow* flow = getFlowFromSocket(sock);
+ ns3::ApplicationContainer* sink = getSinkFromSocket(sock);
XBT_DEBUG("Asked to write on F[%p, total: %u, remain: %u]", flow, flow->total_bytes_, flow->remaining_);
if (flow->remaining_ == 0) // all data was already buffered (and socket was already closed)
XBT_DEBUG("Asked to write on F[%p, total: %u, remain: %u]", flow, flow->total_bytes_, flow->remaining_);
if (flow->remaining_ == 0) // all data was already buffered (and socket was already closed)
- if (flow->buffered_bytes_ >= flow->total_bytes_)
+ if (flow->buffered_bytes_ >= flow->total_bytes_){
+ XBT_DEBUG("Closing Sockets of flow %p", flow);
+ // Closing the sockets of the receiving application
+ ns3::Ptr<ns3::PacketSink> app = ns3::DynamicCast<ns3::PacketSink, ns3::Application>(sink->Get(0));
+ ns3::Ptr<ns3::Socket> listening_sock = app->GetListeningSocket();
+ listening_sock->Close();
+ listening_sock->SetRecvCallback(ns3::MakeNullCallback<void, ns3::Ptr<ns3::Socket>>());
+ for(ns3::Ptr<ns3::Socket> accepted_sock : app->GetAcceptedSockets())
+ accepted_sock->Close();
+ // Closing the socket of the sender
}
static void datasent_cb(ns3::Ptr<ns3::Socket> socket, uint32_t dataSent)
}
static void datasent_cb(ns3::Ptr<ns3::Socket> socket, uint32_t dataSent)
// tell the tcp implementation to call send_cb again
// if we blocked and new tx buffer space becomes available
sock->SetSendCallback(MakeCallback(&send_cb));
// tell the tcp implementation to call send_cb again
// if we blocked and new tx buffer space becomes available
sock->SetSendCallback(MakeCallback(&send_cb));
- // Notice when the send is over
- sock->SetRecvCallback(MakeCallback(&receive_callback));
// Notice when we actually sent some data (mostly for the TRACING module)
sock->SetDataSentCallback(MakeCallback(&datasent_cb));
// Notice when we actually sent some data (mostly for the TRACING module)
sock->SetDataSentCallback(MakeCallback(&datasent_cb));