2006-11-05 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>

	To divide TorrentMan into 6 classes: BtContext, BtRuntime,
	PeerStorage, PieceStorage, BtAnnounce and BtProgressInfoFile

	* src/TrackerWatcherComand.h: Made subclass of 
BtContextAwareCommand.
	* src/SeedCheckCommand.cc: Use pieceStorage, btRuntime
	* src/PeerAbstractCommand.h: Made subclass of 
BtContextAwareCommand.
	* src/PeerAbstractCommand.cc: Use btRuntime.
	* src/BtContextAwareCommand.h: New class.
	* src/FileEntry.h: Added accessor methods for following 
variables.
	(path): Made private.
	(length): Made private.
	(offset): Made private.
	(extracted): Made private.
	(requested): Made private.
	(FileEntries): New definition.
	(FileEntryHandle): New definition.
	* src/FileEntry.cc: New file.
	* src/HaveEraseCommand.h: Made subclass of 
BtContextAwareCommand.
	* src/HaveEraseCommand.cc: Use btRuntime, pieceStorage.
	* src/PeerChokeCommand.h: Made subclass of 
BtContextAwareCommand.
	* src/PeerChokeCommand.cc: Use btRuntime, peerStorage, 
pieceStorage.
	* src/PieceStorage.h: New file.
	* src/PeerInteractionCommand.h: Use btContext.
	* src/PeerInteractionCommand.cc: Use pieceStorage, peerStorage,
	btRuntime.
	* src/DefaultBtProgressInfoFile.h: New file.
	* src/DefaultBtProgressInfoFile.cc: New file.
	* src/File.cc
	(Util.h): New include.
	(mkdirs): New function.
	* src/MultiDiskAdaptor.h
	(mkdir): New function.
	* src/PeerListProcessor.h
	(Peers): Removed.
	* src/PeerInteraction.h
	(torrentMan): Removed.
	(btContext): New variable.
	(peerStorage): New variable.
	(pieceStorage): New variable.
	(btAnnounce): New variable.
	(getTorrentMan): Removed.
	(getBtContext): New function.
	* src/PeerInteraction.cc: Use btContext, peerStorage, 
pieceStorage,
	btAnnounce.
	* src/HandshakeMessage.h
	(TorrentMan.h): Removed.
	* src/HandshakeMessage.cc: Use btContext.
	* src/DefaultBtAnnounce.cc: New file.
	* src/MultiDiskWriter.cc: Use the accessor methods of FileEntry.
	* src/DefaultPieceStorage.cc: New file.
	* src/DefaultBtContext.h: New file.
	* src/TorrentRequestInfo.cc: Use btContext, pieceStorage.
	Use the accessor methods of FileEntry.
	* src/CookieBox.cc: Updated to use Util::slice().
	* src/PieceMessage.cc: Use btContext, pieceStorage.
	* src/common.h (SharedHandle.h): New include.
	* src/PeerMessage.cc (PeerMessage): Added btContext, 
peerStorage,
	pieceStorage.
	* src/TorrentAutoSaveCommand.h: Made subclass of 
BtContextAwareCommand.
	* src/DiskAdaptor.h
	(topDir): Removed.
	(getFileEntryFromPath): Changed the return type to 
FileEntryHandle.
	(setTopDir): Removed.
	(getTopDir): Removed.
	* src/BtContext.h: New file.
	* src/DefaultPeerStorage.h: New file.
	* src/PieceMessage.h (TorrentMan.h): Removed.
	* src/RequestMessage.h (TorrentMan.h): Removed.
	* src/TorrentDownloadEngine.h
	(uploadLength): New variable.
	(btContext): New variable.
	(btRuntime): New variable.
	(pieceStorage): New variable.
	(peerStorage): New variable.
	(btAnnounce): New variable.
	(btProgressInfoFile): New variable.
	(torrentMan): Removed.
	(setBtContext): New function.
	* src/TorrentDownloadEngine.cc: Use BtContext, BtRuntime, 
pieceStorage,
	peerStorage, btAnnounce, btProgressInfoFile.
	* src/Piece.h
	(toString): New function.
	(Pieces): New type definition.
	* src/Peer.h
	(active): New variable.
	(Peer): Added active.
	(activate): Set active to true.
	(deactivate): Set active to false.
	(isActive): New function.
	(Peers): New type definition.
	* src/DirectDiskAdaptor.cc
	(getFilePath): Use the accessor methods of FileEntry.
	* src/TorrentConsoleDownloadEngine.h
	(afterEachIteration): New function.
	* src/TorrentConsoleDownloadEngine.cc
	(haltRequested): New variable.
	(sendStatistics): Use pieceStorage, btRuntime.
	(afterEachIteration): New function.
	* src/AnnounceList: AnnounceTier->AnnounceTierHandle.
	* src/Directry.h
	(Directory): New function.
	(DirectoryHandle): New type definition.
	* src/BtProgressInfoFile.h: New file.
	* src/RequestMessage.cc: Use pieceStorage.
	* src/BtRuntime.h: New file.
	* src/DefaultBtContext.cc: New file.
	* src/BitfieldMan.h
	(getCompletedLength): New function(private).
	(getCompletedLength): New function.
	(getFilteredCompletedLength): New function.
	* src/BitfieldMan.h
	(getCompletedLength): New function(private).
	(getCompletedLength): New function.
	(getFilteredCompletedLength): New function.
	* src/MultiDiskAdaptor.cc
	(mkdir): New function.
	(openFile): Call mkdir().
	(initAndOpenFile): Call mkdir().
	* src/CancelMessage.h
	(TorrentMan.h): Removed.
	* src/RejectMessage.h
	(TorrentMan.h): Removed.
	* src/DownloadEngineFactory.cc
	(DefaultPieceStorage.h): New include.
	(DefaultPeerStorage.h): New include.
	(DefaultBtAnnounce.h): New include.
	(DefaultBtProgressInfoFile.h): New include.
	(newTorrentConsoleEngine): Rewritten.
	* src/ShareRatioSeedCriteria.h
	(torrentMan): Removed.
	(btContext): New variable.
	(peerStorage): New variable.
	(btRuntime): New variable.
	(evaluate): Use btContext, btRuntime, peerStorage.
	* src/AnnounceTier.h: New file.
	* src/BtAnnounce.h: New file.
	* src/BtRegistry.h: New file.
	* src/PeerInitiateConnectionCommand.h: Added btContext.
	* src/PeerConnection.h (TorrentMan.h): Removed.
	* src/PeerMessageFactory.cc: Use btContext, pieceStorage.
	* src/Util.h
	(slice): Added an argument.
	* src/Util.cc
	(slice): Added an argument to control whether trim is made or 
not.
	* src/PeerStorage.h: New file.
	* src/BtRegistry.cc: New file.
	* src/TrackerUpdateCommand.h: Made subclass of 
BtContextAwareCommand.
	* src/CopyDiskAdaptor.cc: Use the accessor methods of FileEntry.
	* src/MultiDiskWriter.h: FileEntry -> FileEntryHandle
	* src/PeerListenCommand.cc: Use btRuntime, peerStorage, 
btContext.
	* src/TorrentRequestInfo.h
	(e): Removed.
	(showFileEntry): Added an argument.
	(getDownloadEngine): Return 0.
	* src/DefaultBtAnnounce.h: New file.
	* src/TorrentAutoSaveCommand.cc: Use btRuntime, 
btProgressInfoFile.
	* src/TrackerWatcherComand.cc: Use btRuntime, btAnnounce,
	* src/PeerMessageFactory.h
	(btContext): New variable.
	(pieceStorage): New variable.
	* src/TrackerUpdateCommand.cc: Use btRuntime, peerStorage, 
btContext,
	btAnnounce.
	* src/DiskAdaptor.cc
	(DiskAdaptor): Removed topDir.
	(~DiskAdaptor): Removed topDir.
	* src/PeerListenCommand.h: Made subclass of 
BtContextAwareCommand.
	* src/SeedCheckCommand.h: Made subclass of 
BtContextAwareCommand.
	* src/File.h (mkdirs): New function.
	* src/DefaultPeerStorage): New file.
	* src/DownloadEngineFactory.h
	(newTorrentConsoleEngine): Use btContext.
	* src/BtContextAwareCommand.cc: New file.
	* src/PeerInitiateConnectionCommand.cc: Use btRuntime, 
peerStorage.
	* src/PeerMessage.h
	(btContext): New variable.
	(peerStorage): New variable.
	(pieceStorage): New variable.
	(setBtContext): New function.
	* src/Directry.cc
	(Directory): New function.
	(createDir): Do nothing if name.size() == 0.
	* src/AnnounceList.h
	(AnnounceTier): Removed. 
	(AnnounceTiers): Removed.
	* src/DefaultPieceStorage.h: New file.
	* src/Piece.cc (toString): New function.
	
	To fix typo:
	
	* src/main.cc (showVersion): Fixed typo.

	To fix compile warning:
	
	* src/DelegatingPeerListProcessor.cc
	(canHandle): Added "return false".

1 files changed, 172 insertions, 0 deletions

diff --git a/src/DefaultBtProgressInfoFile.cc b/src/DefaultBtProgressInfoFile.cc
new file mode 100644
index 00000000..a524a589
--- /dev/null
+++ b/src/DefaultBtProgressInfoFile.cc
@@ -0,0 +1,172 @@
+/* <!-- copyright */
+/*
+ * aria2 - The high speed download utility
+ *
+ * Copyright (C) 2006 Tatsuhiro Tsujikawa
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * In addition, as a special exception, the copyright holders give
+ * permission to link the code of portions of this program with the
+ * OpenSSL library under certain conditions as described in each
+ * individual source file, and distribute linked combinations
+ * including the two.
+ * You must obey the GNU General Public License in all respects
+ * for all of the code used other than OpenSSL.  If you modify
+ * file(s) with this exception, you may extend this exception to your
+ * version of the file(s), but you are not obligated to do so.  If you
+ * do not wish to do so, delete this exception statement from your
+ * version.  If you delete this exception statement from all source
+ * files in the program, then also delete it here.
+ */
+/* copyright --> */
+#include "DefaultBtProgressInfoFile.h"
+#include "BtRegistry.h"
+#include "LogFactory.h"
+#include "prefs.h"
+#include "DlAbortEx.h"
+#include "message.h"
+#include "File.h"
+#include "Util.h"
+#include <errno.h>
+
+DefaultBtProgressInfoFile::DefaultBtProgressInfoFile(const BtContextHandle& btContext,
+						     const Option* option):
+  btContext(btContext),
+  option(option),
+  pieceStorage(PIECE_STORAGE(btContext)),
+  btRuntime(BT_RUNTIME(btContext)),
+  peerStorage(PEER_STORAGE(btContext))
+{
+  logger = LogFactory::getInstance();
+  string storeDir = option->get(PREF_DIR);
+  filename = storeDir+"/"+btContext->getName()+".aria2";
+}
+
+DefaultBtProgressInfoFile::~DefaultBtProgressInfoFile() {}
+
+void DefaultBtProgressInfoFile::save() {
+  logger->info(MSG_SAVING_SEGMENT_FILE, filename.c_str());
+  FILE* file = openFile(filename, "w");
+  try {
+    if(fwrite(btContext->getInfoHash(),
+	      btContext->getInfoHashLength(), 1, file) < 1) {
+      throw string("writeError:info hash");
+    }
+    if(fwrite(pieceStorage->getBitfield(),
+	      pieceStorage->getBitfieldLength(), 1, file) < 1) {
+      throw string("writeError:bitfield");
+    }
+    TransferStat stat = peerStorage->calculateStat();
+    long long int allTimeDownloadLength = pieceStorage->getCompletedLength();
+    if(fwrite(&allTimeDownloadLength,
+	      sizeof(allTimeDownloadLength), 1, file) < 1) {
+      throw string("writeError:download length");
+    }
+    long long int allTimeUploadLength =
+      btRuntime->getUploadLengthAtStartup()+
+      stat.getSessionUploadLength();
+    if(fwrite(&allTimeUploadLength,
+	      sizeof(allTimeUploadLength), 1, file) < 1) {
+      throw string("writeError:upload length");
+    }
+    fclose(file);
+    logger->info(MSG_SAVED_SEGMENT_FILE);
+  } catch(string ex) {
+    fclose(file);
+    throw new DlAbortEx(EX_SEGMENT_FILE_WRITE,
+			filename.c_str(), strerror(errno));
+  }
+}
+
+void DefaultBtProgressInfoFile::load() {
+  logger->info(MSG_LOADING_SEGMENT_FILE, filename.c_str());
+  FILE* file = openFile(filename, "r+");
+  unsigned char* savedInfoHash = 0;
+  unsigned char* savedBitfield = 0;
+  try {
+    savedInfoHash = new unsigned char[btContext->getInfoHashLength()];
+    savedBitfield = new unsigned char[pieceStorage->getBitfieldLength()];
+    if(fread(savedInfoHash, btContext->getInfoHashLength(), 1, file) < 1) {
+      throw string("readError");
+    }
+    if(Util::toHex(savedInfoHash, btContext->getInfoHashLength()) != 
+       btContext->getInfoHashAsString()) {
+      throw new DlAbortEx("Incorrect infoHash.");
+    }
+    if(fread(savedBitfield, pieceStorage->getBitfieldLength(), 1, file) < 1) {
+      throw string("readError");
+    }
+    pieceStorage->setBitfield(savedBitfield,
+			      pieceStorage->getBitfieldLength());
+    // allTimeDownloadLength exists for only a compatibility reason.
+    long long int allTimeDownloadLength;
+    if(fread(&allTimeDownloadLength,
+	     sizeof(allTimeDownloadLength), 1, file) < 1) {
+      throw string("readError");
+    }
+    long long int allTimeUploadLength;
+    if(fread(&allTimeUploadLength,
+	     sizeof(allTimeUploadLength), 1, file) < 1) {
+      throw string("readError");
+    }
+    btRuntime->setUploadLengthAtStartup(allTimeUploadLength);
+    delete [] savedBitfield;
+    savedBitfield = 0;
+    delete [] savedInfoHash;
+    savedInfoHash = 0;
+    fclose(file);
+  } catch(string ex) {
+    if(savedBitfield) {
+      delete [] savedBitfield;
+    }
+    if(savedInfoHash) {
+      delete [] savedInfoHash;
+    }
+    fclose(file);
+    throw new DlAbortEx(EX_SEGMENT_FILE_READ,
+			filename.c_str(), strerror(errno));
+  }
+  logger->info(MSG_LOADED_SEGMENT_FILE);
+}
+
+void DefaultBtProgressInfoFile::removeFile() {
+  if(exists()) {
+    File f(filename);
+    f.remove();
+  }
+}
+
+FILE* DefaultBtProgressInfoFile::openFile(const string& filename,
+					  const string& mode) const
+{
+  FILE* file = fopen(filename.c_str(), mode.c_str());
+  if(!file) {
+    throw new DlAbortEx(EX_SEGMENT_FILE_OPEN,
+			filename.c_str(), strerror(errno));
+  }
+  return file;
+}
+
+bool DefaultBtProgressInfoFile::exists() {
+  File f(filename);
+  if(f.isFile()) {
+    logger->info(MSG_SEGMENT_FILE_EXISTS, filename.c_str());
+    return true;
+  } else {
+    logger->info(MSG_SEGMENT_FILE_DOES_NOT_EXIST, filename.c_str());
+    return false;
+  }
+}