X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9223880adde1ff3d7b8941ca474eab9acfa862c5..007694fe3d4ebd6577e1fb0a1017330b1a575a67:/src/surf/ns3/ns3_simulator.cc

diff --git a/src/surf/ns3/ns3_simulator.cc b/src/surf/ns3/ns3_simulator.cc
index 29fd20e182..199d6c68d6 100644
--- a/src/surf/ns3/ns3_simulator.cc
+++ b/src/surf/ns3/ns3_simulator.cc
@@ -5,6 +5,26 @@
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "surf/ns3/ns3_simulator.h"
+#include "xbt/dict.h"
+#include "xbt/log.h"
+#include "xbt/sysdep.h"
+
+using namespace ns3;
+using namespace std;
+
+xbt_dict_t dict_socket = NULL;
+
+NS3Sim SimulatorNS3;
+
+static void receive_callback(Ptr<Socket> localSocket);
+static void send_callback(Ptr<Socket> localSocket, uint32_t txSpace);
+static void datasent_callback(Ptr<Socket> localSocket, uint32_t dataSent);
+static void StartFlow(Ptr<Socket> sock,
+    const char *to,
+    uint16_t port_number);
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simulator_ns3, surf,
+                                "Logging specific to the SURF network NS3 module");
 
 // Constructor.
 NS3Sim::NS3Sim(){
@@ -12,3 +32,154 @@ NS3Sim::NS3Sim(){
 //Destructor.
 NS3Sim::~NS3Sim(){
 }
+
+/*
+ * This function create a flow from src to dst
+ *
+ * Parameters
+ * 		src: node source
+ * 		dst: node destination
+ * 		port_number: The port number to use
+ * 		start: the time the communication start
+ * 		addr:  ip address
+ * 		totalBytes: number of bytes to transmit
+ */
+void NS3Sim::create_flow_NS3(
+		Ptr<Node> src,
+		Ptr<Node> dst,
+		uint16_t port_number,
+		double start,
+		const char *addr,
+		uint32_t totalBytes,
+		void * action)
+{
+	if(!dict_socket) dict_socket = xbt_dict_new();
+
+	PacketSinkHelper sink ("ns3::TcpSocketFactory",
+							InetSocketAddress (Ipv4Address::GetAny(),
+							port_number));
+	sink.Install (dst);
+	Ptr<Socket> sock = Socket::CreateSocket (src,
+							TcpSocketFactory::GetTypeId());
+
+	MySocket *mysocket = new MySocket();
+	mysocket->totalBytes = totalBytes;
+	mysocket->remaining = totalBytes;
+	mysocket->bufferedBytes = 0;
+	mysocket->sentBytes = 0;
+	mysocket->finished = 0;
+	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;
+}
+
+char NS3Sim::get_finished(void *socket){
+	return ((MySocket *)socket)->finished;
+}
+
+double NS3Sim::get_remains_from_socket(void *socket){
+	return ((MySocket *)socket)->remaining;
+}
+
+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(void){
+	XBT_DEBUG("Start simulator");
+	Simulator::Run ();
+}
+
+static void receive_callback(Ptr<Socket> localSocket){
+  MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
+
+  if (mysocket->finished == 0){
+    mysocket->finished = 1;
+//    cout << "[" << Simulator::Now ().GetSeconds() << "] " << "recv_cb of F[" << mysocket->totalBytes << "] " << endl;
+    XBT_DEBUG("Stop simulator at %f seconds", Simulator::Now().GetSeconds());
+    Simulator::Stop();
+  }
+}
+
+static void send_callback(Ptr<Socket> localSocket, uint32_t txSpace){
+	MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
+
+	if (mysocket->remaining == 0){
+	  //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;
+
+  if (mysocket->remaining == 0){
+    //everything was buffered to send, tell NS3 to close the socket
+    localSocket->Close();
+  }
+	return;
+}
+
+static void datasent_callback(Ptr<Socket> localSocket, uint32_t dataSent){
+  MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
+  mysocket->sentBytes += dataSent;
+//  cout << "[" << Simulator::Now ().GetSeconds() << "] " << "datasent_cb of F[" << mysocket->totalBytes << "] " << dataSent << " sent." << endl;
+}
+
+static void normalClose_callback(Ptr<Socket> localSocket){
+  MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
+//  cout << "[" << Simulator::Now ().GetSeconds() << "] " << "normalClose_cb of F[" << mysocket->totalBytes << "]" << endl;
+  receive_callback (localSocket);
+}
+
+static void errorClose_callback(Ptr<Socket> localSocket){
+  MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
+//  cout << "[" << Simulator::Now ().GetSeconds() << "] " << "errorClose_cb of F[" << mysocket->totalBytes << "]" << endl;
+  xbt_die("NS3: a socket was closed anormally");
+}
+
+static void succeededConnect_callback(Ptr<Socket> localSocket){
+  MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
+//  cout << "[" << Simulator::Now ().GetSeconds() << "] " << "succeededConnect_cb of F[" << mysocket->totalBytes << "]" << endl;
+}
+
+static void failedConnect_callback(Ptr<Socket> localSocket){
+  MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
+//  cout << "[" << Simulator::Now ().GetSeconds() << "] " << "failedConnect_cb of F[" << mysocket->totalBytes << "]" << endl;
+  xbt_die("NS3: a socket failed to connect");
+}
+
+static void StartFlow(Ptr<Socket> sock,
+    const char *to,
+    uint16_t port_number)
+{
+  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 = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&sock);
+//  cout << "[" <<  Simulator::Now().GetSeconds() << "] Starting flow to " << to << " using port " << port_number << endl;
+}