X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/36d71e3707463a389153fbf9cebd68ce4a5276a1..cd0b0e6661d6ca84295e74f81ba361f328c45dd5:/src/surf/ns3/ns3_simulator.cc

diff --git a/src/surf/ns3/ns3_simulator.cc b/src/surf/ns3/ns3_simulator.cc
index 54d45c8476..188bea1310 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;
@@ -70,7 +71,10 @@ void NS3Sim::create_flow_NS3(
 	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);
+	XBT_INFO("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){
@@ -89,16 +93,11 @@ 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 ();
+void NS3Sim::simulator_start(double min){
+  if(min > 0.0)
+    Simulator::Stop(Seconds(min));
+  XBT_DEBUG("Start simulator");
+  Simulator::Run ();
 }
 
 static void receive_callback(Ptr<Socket> localSocket){
@@ -106,43 +105,67 @@ static void receive_callback(Ptr<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<Socket> localSocket, uint32_t txSpace){
+	uint8_t *data = (uint8_t*)malloc(sizeof(uint8_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;
+		  //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;
+	while (mysocket->sentBytes < mysocket->totalBytes
+			&& localSocket->GetTxAvailable () > 0)
+	{
+      uint32_t toWrite = min ((mysocket->remaining), txSpace);
+      toWrite = min (toWrite, localSocket->GetTxAvailable ());
+      int amountSent = localSocket->Send (&data[0], toWrite, 0);
+
+      if(amountSent < 0)
+    	  return;
+	  (mysocket->sentBytes) += 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);
+
+    }
+	if ((mysocket->sentBytes) >= mysocket->totalBytes){
+		localSocket->Close();
 	}
-//	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;
+  XBT_DEBUG("datasent_cb of F[%p, %p, %d] %d sent", mysocket, mysocket->action, mysocket->totalBytes, dataSent);
+}
+
+static void normalClose_callback(Ptr<Socket> localSocket){
+  MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
+  XBT_DEBUG("normalClose_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes);
+  receive_callback (localSocket);
 }
 
+static void errorClose_callback(Ptr<Socket> localSocket){
+  MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&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<Socket> localSocket){
+  MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
+  XBT_DEBUG("succeededConnect_cb of F[%p, %p, %d]", mysocket, mysocket->action, mysocket->totalBytes);
+}
+
+static void failedConnect_callback(Ptr<Socket> localSocket){
+  MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&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<Socket> sock,
     const char *to,
@@ -150,10 +173,13 @@ static void StartFlow(Ptr<Socket> 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 = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&sock);
+  XBT_DEBUG("startFlow_cb of F[%p, %p, %d] dest=%s port=%d", mysocket, mysocket->action, mysocket->totalBytes, to, port_number);
 }