[Sumover-dev] [svn commit] r4247 - vic/branches/cc/cc

[sumover-dev at cs.ucl.ac.uk]

Author: soohyunc
Date: Thu Aug  7 11:27:00 2008
New Revision: 4247

Modified:
   vic/branches/cc/cc/tfwc_sndr.cpp
   vic/branches/cc/cc/tfwc_sndr.h

Log:
margin vector (simulating TCP's 3 dupack rule)


Modified: vic/branches/cc/cc/tfwc_sndr.cpp
==============================================================================
--- vic/branches/cc/cc/tfwc_sndr.cpp	(original)
+++ vic/branches/cc/cc/tfwc_sndr.cpp	Thu Aug  7 11:27:00 2008
@@ -44,6 +44,8 @@
 #include "transmitter.h"
 #include "tfwc_sndr.h"
 
+#define DUPACKS	3	// simulating TCP's 3 dupacks
+
 TfwcSndr::TfwcSndr() :
 	seqno_(0) 
 {
@@ -65,6 +67,9 @@
 void TfwcSndr::tfwc_sndr_recv(u_int32_t ackv)
 {
 	UNUSED(ackv);
+
+	// the most recent 3 packets will be marked as 1 using marginvec_
+	ackv_ = ackv | marginvec_;
 }
 
 

Modified: vic/branches/cc/cc/tfwc_sndr.h
==============================================================================
--- vic/branches/cc/cc/tfwc_sndr.h	(original)
+++ vic/branches/cc/cc/tfwc_sndr.h	Thu Aug  7 11:27:00 2008
@@ -48,6 +48,7 @@
 	void tfwc_sndr_recv(u_int32_t ackv);
 
 	u_int32_t marginvec_;	// margin vec
+	u_int32_t ackv_;	// AckVec (in TfwcSndr)
 	TfwcSndr* tfwcsndr_;
 private:
 };