From: Lucas Schnorr <Lucas.Schnorr@imag.fr>
Date: Thu, 8 Sep 2011 08:28:33 +0000 (+0200)
Subject: [NS3] send a maximum of 1024 bytes per Send
X-Git-Tag: v3_6_2~113
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/90c7ba381698bf25fc1d118549b2b08875e7e47a

[NS3] send a maximum of 1024 bytes per Send

details:
- this is the way to observe the known TCP behavior
where bandwidth is equally shared among the flows
---

diff --git a/src/surf/ns3/ns3_simulator.cc b/src/surf/ns3/ns3_simulator.cc
index d7b29c1cc4..99e93d15a7 100644
--- a/src/surf/ns3/ns3_simulator.cc
+++ b/src/surf/ns3/ns3_simulator.cc
@@ -122,7 +122,8 @@ static void send_callback(Ptr<Socket> localSocket, uint32_t txSpace){
 	  return;
 	}
 
-	uint32_t toWrite = min (mysocket->remaining, txSpace);
+	uint32_t packetSize = 1024;
+	uint32_t toWrite = min (mysocket->remaining, packetSize);
 	uint8_t *data = (uint8_t*)malloc(sizeof(uint8_t)*toWrite);
 	int amountSent = localSocket->Send (&data[0], toWrite, 0);
 	free (data);