#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 char socket_key[24];
static void receive_callback(Ptr<Socket> localSocket);
static void send_callback(Ptr<Socket> localSocket, uint32_t txSpace);
NS3Sim::~NS3Sim(){
}
+static XBT_INLINE void transformSocketPtr (Ptr<Socket> 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
*
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<Socket> sock = Socket::CreateSocket (src,
TcpSocketFactory::GetTypeId());
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){
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<Socket> localSocket) {
+ transformSocketPtr(localSocket);
+ return (MySocket*)xbt_dict_get_or_null(dict_socket,socket_key);
}
static void receive_callback(Ptr<Socket> 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<Socket> 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<Socket> 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<Socket> 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<Socket> 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<Socket> 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<Socket> 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<Socket> sock,
const char *to,
{
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);
}
