2006-12-24 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>

	Rewritten a portion of bittorrent implementation:
	
	* src/BtMessageValidator.h: New class.
	* src/BtBitfieldMessageValidator.h: New class.
	* src/BtHandshakeMessageValidator.h: New class.
	* src/BtRequestMessageValidator.h: New class.
	* src/BtSuggestPieceMessageValidator.h: New class.
	* src/BtAllowedFastMessageValidator.h: New class.
	* src/BtRejectMessageValidator.h: New class.
	* src/BtCancelMessageValidator.h: New class.
	* src/BtPieceMessageValidator.h: New class.
	* src/BtHaveMessageValidator.h: New class.
	* src/BtEventListener.h: New class.
	* src/AbstractBtEventListener.h: New class.
	* src/BtEvent.h: New class.
	* src/BtChokingEvent.h: New class.
	* src/BtChokedEvent.h: New class.
	* src/BtCancelSendingPieceEvent.h: New class.
	* src/BtAbortOutstandingRequestEvent.h: New class.
	* src/Randomizer.h: New class.
	* src/SimpleRandomizer.h: New class.
	* src/BtMessage.h: New class.
	* src/AbstractBtMessage.h: New class.
	* src/SimpleBtMessage.h: New class.
	* src/BtHaveMessage.h: New class.
	* src/BtInterestedMessage.h: New class.
	* src/BtAllowedFastMessage.h: New class.
	* src/BtUnchokeMessage.h: New class.
	* src/BtCancelMessage.h: New class.
	* src/BtNotInterestedMessage.h: New class.
	* src/BtChokeMessage.h: New class.
	* src/BtHaveNoneMessage.h: New class.
	* src/BtHandshakeMessage.h: New class.
	* src/BtSuggestPieceMessage.h: New class.
	* src/BtHaveMessage.h: New class.
	* src/BtPieceMessage.h: New class.
	* src/BtHaveAllMessage.h: New class.
	* src/BtKeepAliveMessage.h: New class.
	* src/BtPortMessage.h: New class.
	* src/BtRejectMessage.h: New class.
	* src/BtBitfieldMessage.h: New class.
	* src/BtRequestMessage.h: New class.
	* src/DefaultBtRequestFactory.h: New class.
	* src/DefaultBtMessageReceiver.h: New class.
	* src/BtInteractive.h: New class.
	* src/BtMessageDispatcher.h: New class.
	* src/DefaultBtMessageDispatcher.h: New class.
	* src/DefaultBtInteractive.h: New class.
	* src/BitfieldManFactory.h: New class.
	* src/HandleRegistry.h: New class.
	* src/BtMessageFactory.h: New class.
	* src/BtMessageReceiver.h: New class.
	* src/DefaultBtMessageFactory.h: New class.
	* src/PeerObject.h: New class.
	* src/BtRequestFactory.h: New class.

1 files changed, 2 insertions, 4 deletions

diff --git a/src/TrackerUpdateCommand.cc b/src/TrackerUpdateCommand.cc
index c314f41a..23a762b7 100644
--- a/src/TrackerUpdateCommand.cc
+++ b/src/TrackerUpdateCommand.cc
@@ -40,8 +40,6 @@
 #include "SleepCommand.h"
 #include "Util.h"
 
-extern PeerHandle nullPeer;
-
 TrackerUpdateCommand::TrackerUpdateCommand(int cuid,
 					   TorrentDownloadEngine* e,
 					   const BtContextHandle& btContext):
@@ -89,7 +87,7 @@ bool TrackerUpdateCommand::execute() {
   if(!e->segmentMan->finished()) {
     return prepareForRetry();
   }
-  char* trackerResponse = NULL;
+  char* trackerResponse = 0;
   size_t trackerResponseLength = 0;
 
   try {
@@ -99,7 +97,7 @@ bool TrackerUpdateCommand::execute() {
 					trackerResponseLength);
     while(!btRuntime->isHalt() && btRuntime->lessThanMinPeer()) {
       PeerHandle peer = peerStorage->getUnusedPeer();
-      if(peer == nullPeer) {
+      if(peer.isNull()) {
 	break;
       }
       int newCuid =  btRuntime->getNewCuid();