2008-02-28 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>

Add a file descriptor which connected to fast peer(latency<1500) 
to
	select(). This change reduced CPU load.
	* src/PeerInteractionCommand.cc
	* src/DefaultBtInteractive.{h, cc}
	* src/BtInteractive.h

ChangeLog

@@ -1,3 +1,11 @@
+2008-02-28  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>
+
+	Add a file descriptor which connected to fast peer(latency<1500) to
+	select(). This change reduced CPU load.
+	* src/PeerInteractionCommand.cc
+	* src/DefaultBtInteractive.{h, cc}
+	* src/BtInteractive.h
+
 2008-02-28  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>
 
 	Fixed the previous insufficient fix for possible busy loop.

src/BtInteractive.h

@@ -65,6 +65,8 @@ public:
   virtual bool isSendingMessageInProgress() = 0;
 
   virtual size_t countReceivedMessageInIteration() const = 0;
+
+  virtual size_t countOutstandingRequest() = 0;
 };
 
 typedef SharedHandle<BtInteractive> BtInteractiveHandle;

src/DefaultBtInteractive.cc

@@ -453,6 +453,11 @@ size_t DefaultBtInteractive::countReceivedMessageInIteration() const
   return _numReceivedMessage;
 }
 
+size_t DefaultBtInteractive::countOutstandingRequest()
+{
+  return dispatcher->countOutstandingRequest();
+}
+
 void DefaultBtInteractive::setPeer(const SharedHandle<Peer>& peer)
 {
   this->peer = peer;

src/DefaultBtInteractive.h

@@ -156,6 +156,8 @@ public:
 
   virtual size_t countReceivedMessageInIteration() const;
 
+  virtual size_t countOutstandingRequest();
+
   void setCuid(int32_t cuid) {
     this->cuid = cuid;
   }

src/PeerInteractionCommand.cc

@@ -218,7 +218,7 @@ bool PeerInteractionCommand::executeInternal() {
     if(btInteractive->countReceivedMessageInIteration() > 0) {
       updateKeepAlive();
     }
-    if(peer->amInterested() && !peer->peerChoking() ||
+    if(peer->amInterested() && !peer->peerChoking() && peer->getLatency() < 1500 ||
        peer->peerInterested() && !peer->amChoking()) {
       if(maxDownloadSpeedLimit > 0) {
 	TransferStat stat = peerStorage->calculateStat();