From 169c5e6f1e15bb827e9685e464c97a360afe40dd Mon Sep 17 00:00:00 2001
From: victor <victor@e16421f0-f15b-0410-abcd-98678b794739>
Date: Mon, 9 Nov 2009 17:43:14 +0000
Subject: [PATCH] oh, god... removed excessive twisting

git-svn-id: https://ttuki.vtt.fi/svn/p2p-next/TUD/p2tp/trunk@517 e16421f0-f15b-0410-abcd-98678b794739
---
 datagram.h         | 3 ++-
 ext/seq_picker.cpp | 4 ++--
 hashtree.cpp       | 3 ++-
 sendrecv.cpp       | 3 ++-
 4 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/datagram.h b/datagram.h
index b364518..95dbae0 100644
--- a/datagram.h
+++ b/datagram.h
@@ -209,7 +209,8 @@ const char* tintstr(tint t=0);
 std::string sock2str (struct sockaddr_in addr);
 #define dprintf(...) printf(__VA_ARGS__)
 #define eprintf(...) fprintf(stderr,__VA_ARGS__)
-
+//#define dprintf(...) {}
+    
 }
 
 #endif
diff --git a/ext/seq_picker.cpp b/ext/seq_picker.cpp
index 5b0bc0a..17d4a94 100644
--- a/ext/seq_picker.cpp
+++ b/ext/seq_picker.cpp
@@ -20,7 +20,7 @@ class SeqPiecePicker : public PiecePicker {
 public:
     
     SeqPiecePicker (FileTransfer* file_to_pick_from) : 
-    transfer_(file_to_pick_from), ack_hint_out_(), twist_() {
+    transfer_(file_to_pick_from), ack_hint_out_(), twist_(0) {
         ack_hint_out_.copy_range(file().ack_out(),bin64_t::ALL);
     }
     
@@ -36,7 +36,7 @@ public:
         //dprintf("twist is %lli\n",twist_);
         if (!file().size())
             return bin64_t(0,0); // a hack to get peak hashes; FIXME
-        twist_ &= (file().peak(0)) & ((1<<16)-1);
+        twist_ &= (file().peak(0)) & ((1<<6)-1);
         if (twist_) {
             offer.twist(twist_);
             ack_hint_out_.twist(twist_);
diff --git a/hashtree.cpp b/hashtree.cpp
index e74915b..bdb8cce 100644
--- a/hashtree.cpp
+++ b/hashtree.cpp
@@ -320,4 +320,5 @@ HashTree::~HashTree () {
         memory_unmap(hash_fd_, hashes_, sizek_*2*sizeof(Sha1Hash));
     if (fd_)
         close(fd_);
-}
\ No newline at end of file
+}
+
diff --git a/sendrecv.cpp b/sendrecv.cpp
index a3ca654..1d27470 100644
--- a/sendrecv.cpp
+++ b/sendrecv.cpp
@@ -164,13 +164,14 @@ void	Channel::AddHint (Datagram& dgram) {
     for(tbqueue::iterator i=hint_out_.begin(); i!=hint_out_.end(); i++)
         hinted += i->bin.width();
     //int bps = PeerBPS();
+    //double kbps = max(4,TINT_SEC / dip_avg_);
     double peer_cwnd = rtt_avg_ / dip_avg_;
     if (peer_cwnd<1)
         peer_cwnd = 1;
     dprintf("%s #%i hinted %lli peer_cwnd %lli/%lli=%f\n",
             tintstr(),id,hinted,rtt_avg_,dip_avg_,((float)rtt_avg_/dip_avg_));
 
-    if ( 4*peer_cwnd > hinted ) { //hinted*1024 < peer_cwnd*4 ) {
+    if ( 8*peer_cwnd > hinted ) { //hinted*1024 < peer_cwnd*4 ) {
         
         uint8_t layer = 2; // actually, enough
         bin64_t hint = transfer().picker().Pick(ack_in_,layer);
-- 
2.20.1