2008-02-08 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>

	Removed "using namespace std;" from all sources. Appended std:: 
prefix to c++
	standard classes.
	Included string.h where mem* function are used.

ChangeLog

@@ -1,3 +1,9 @@
+2008-02-08  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>
+
+	Removed "using namespace std;" from all sources. Appended std:: prefix to c++
+	standard classes.
+	Included string.h where mem* function are used.
+
 2008-02-06  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>
 
 	Create directory before saving DHT routing table.

src/Directory.h → src/AbstractAuthResolver.cc

@@ -32,29 +32,35 @@
  * files in the program, then also delete it here.
  */
 /* copyright --> */
-#ifndef _D_DIRECTORY_H_
-#define _D_DIRECTORY_H_
+#include "AbstractAuthResolver.h"
+#include "AuthConfig.h"
 
-#include "common.h"
-#include <string>
-#include <deque>
+namespace aria2 {
 
-class Directory {
+AbstractAuthResolver::AbstractAuthResolver():
+  _userDefinedAuthConfig(0),
+  _defaultAuthConfig(new AuthConfig()) {}
 
-typedef deque<Directory*> Files;
+AbstractAuthResolver::~AbstractAuthResolver() {}
 
-private:
-  string name;
-  Files files;
-public:
-  Directory(const string& name);
-  Directory();
-  ~Directory();
+void AbstractAuthResolver::setUserDefinedAuthConfig(const AuthConfigHandle& authConfig)
+{
+  _userDefinedAuthConfig = authConfig;
+}
 
-  void createDir(const string& parentDir, bool recursive) const;
-  void addFile(Directory* directory);
-};
+AuthConfigHandle AbstractAuthResolver::getUserDefinedAuthConfig() const
+{
+  return _userDefinedAuthConfig;
+}
 
-typedef SharedHandle<Directory> DirectoryHandle;
+void AbstractAuthResolver::setDefaultAuthConfig(const AuthConfigHandle& authConfig)
+{
+  _defaultAuthConfig = authConfig;
+}
 
-#endif // _D_DIRECTORY_H_
+AuthConfigHandle AbstractAuthResolver::getDefaultAuthConfig() const
+{
+  return _defaultAuthConfig;
+}
+
+} // namespace aria2

src/AbstractAuthResolver.h

@@ -37,42 +37,31 @@
 
 #include "AuthResolver.h"
 
+namespace aria2 {
+
 class AbstractAuthResolver : public AuthResolver {
 protected:
 
-  AuthConfigHandle _userDefinedAuthConfig;
+  SharedHandle<AuthConfig> _userDefinedAuthConfig;
 
-  AuthConfigHandle _defaultAuthConfig;
+  SharedHandle<AuthConfig> _defaultAuthConfig;
 
 public:
-  AbstractAuthResolver():_userDefinedAuthConfig(0),
-			 _defaultAuthConfig(new AuthConfig())
-  {}
-
-  virtual ~AbstractAuthResolver() {}
+  AbstractAuthResolver();
 
-  void setUserDefinedAuthConfig(const AuthConfigHandle& authConfig)
-  {
-    _userDefinedAuthConfig = authConfig;
-  }
+  virtual ~AbstractAuthResolver();
 
-  AuthConfigHandle getUserDefinedAuthConfig() const
-  {
-    return _userDefinedAuthConfig;
-  }
+  void setUserDefinedAuthConfig(const SharedHandle<AuthConfig>& authConfig);
 
-  void setDefaultAuthConfig(const AuthConfigHandle& authConfig)
-  {
-    _defaultAuthConfig = authConfig;
-  }
+  SharedHandle<AuthConfig> getUserDefinedAuthConfig() const;
 
-  AuthConfigHandle getDefaultAuthConfig() const
-  {
-    return _defaultAuthConfig;
-  }
+  void setDefaultAuthConfig(const SharedHandle<AuthConfig>& authConfig);
 
+  SharedHandle<AuthConfig> getDefaultAuthConfig() const;
 };
 
 typedef SharedHandle<AbstractAuthResolver> AbstractAuthResolverHandle;
 
+} // namespace aria2
+
 #endif // _D_ABSTRACT_AUTH_RESOLVER_H_

src/AbstractBtEventListener.h

@@ -37,19 +37,23 @@
 
 #include "BtEventListener.h"
 
+namespace aria2 {
+
 class AbstractBtEventListener : public BtEventListener {
 public:
   virtual ~AbstractBtEventListener() {}
 
-  virtual bool canHandle(const BtEventHandle& event) = 0;
+  virtual bool canHandle(const SharedHandle<BtEvent>& event) = 0;
 
-  virtual void handleEventInternal(const BtEventHandle& event) = 0;
+  virtual void handleEventInternal(const SharedHandle<BtEvent>& event) = 0;
 
-  virtual void handleEvent(const BtEventHandle& event) {
+  virtual void handleEvent(const SharedHandle<BtEvent>& event) {
     if(canHandle(event)) {
       handleEventInternal(event);
     }
   }
 };
 
+} // namespace aria2
+
 #endif // _D_ABSTRACT_BT_EVENT_LISTENER_H_

src/AbstractBtMessage.cc

@@ -0,0 +1,134 @@
+/* <!-- 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 "AbstractBtMessage.h"
+#include "Peer.h"
+#include "BtContext.h"
+#include "PieceStorage.h"
+#include "BtRegistry.h"
+#include "BtEventListener.h"
+#include "BtMessageValidator.h"
+#include "LogFactory.h"
+#include "Logger.h"
+
+namespace aria2 {
+
+AbstractBtMessage::AbstractBtMessage():sendingInProgress(false),
+				       invalidate(false),
+				       uploading(false),
+				       cuid(0),
+				       btContext(0),
+				       pieceStorage(0),
+				       peer(0),
+				       validator(0),
+				       logger(LogFactory::getInstance())
+{}
+
+AbstractBtMessage::~AbstractBtMessage() {}
+
+SharedHandle<Peer> AbstractBtMessage::getPeer() const
+{
+  return peer;
+}
+
+void AbstractBtMessage::setPeer(const SharedHandle<Peer>& peer)
+{
+  this->peer = peer;
+}
+
+bool AbstractBtMessage::validate(std::deque<std::string>& errors)
+{
+  if(validator.get()) {
+    return validator->validate(errors);
+  } else {
+    return true;
+  }
+}
+
+void AbstractBtMessage::handleEvent(const SharedHandle<BtEvent>& event)
+{
+  for(std::deque<SharedHandle<BtEventListener> >::iterator itr = listeners.begin();
+      itr != listeners.end(); ++itr) {
+    (*itr)->handleEvent(event);
+  }
+}
+
+void
+AbstractBtMessage::addEventListener(const SharedHandle<BtEventListener>& listener)
+{
+  listeners.push_back(listener);
+}
+
+void
+AbstractBtMessage::setBtMessageValidator(const SharedHandle<BtMessageValidator>& validator) {
+  this->validator = validator;
+}
+
+SharedHandle<BtMessageValidator> AbstractBtMessage::getBtMessageValidator() const
+{
+  return validator;
+}
+
+void AbstractBtMessage::setBtContext(const SharedHandle<BtContext>& btContext)
+{
+  this->btContext = btContext;
+  this->pieceStorage = PIECE_STORAGE(btContext);
+}
+
+SharedHandle<BtContext> AbstractBtMessage::getBtContext() const
+{
+  return btContext;
+}
+
+void AbstractBtMessage::setBtMessageDispatcher(const WeakHandle<BtMessageDispatcher>& dispatcher)
+{
+  this->dispatcher = dispatcher;
+}
+
+void AbstractBtMessage::setPeerConnection(const WeakHandle<PeerConnection>& peerConnection)
+{
+  this->peerConnection = peerConnection;
+}
+
+void AbstractBtMessage::setBtMessageFactory(const WeakHandle<BtMessageFactory>& factory)
+{
+  this->messageFactory = factory;
+}
+
+void AbstractBtMessage::setBtRequestFactory(const WeakHandle<BtRequestFactory>& factory)
+{
+  this->requestFactory = factory;
+}
+
+} // namespace aria2

src/AbstractBtMessage.h

@@ -36,18 +36,20 @@
 #define _D_ABSTRACT_BT_MESSAGE_H_
 
 #include "BtMessage.h"
-#include "Peer.h"
-#include "Piece.h"
-#include "LogFactory.h"
-#include "Logger.h"
-#include "BtEvent.h"
-#include "BtEventListener.h"
-#include "BtContext.h"
-#include "BtRegistry.h"
-#include "BtMessageDispatcher.h"
-#include "PeerConnection.h"
-#include "BtRequestFactory.h"
-#include "BtMessageFactory.h"
+#include <deque>
+
+namespace aria2 {
+
+class BtContext;
+class PieceStorage;
+class Peer;
+class BtMessageDispatcher;
+class BtMessageFactory;
+class BtRequestFactory;
+class PeerConnection;
+class BtMessageValidator;
+class BtEventListener;
+class Logger;
 
 class AbstractBtMessage : public BtMessage {
 protected:
@@ -56,35 +58,29 @@ protected:
   bool uploading;
   int32_t cuid;
 
-  BtContextHandle btContext;
+  SharedHandle<BtContext> btContext;
+
+  SharedHandle<PieceStorage> pieceStorage;
 
-  PieceStorageHandle pieceStorage;
+  SharedHandle<Peer> peer;
 
-  PeerHandle peer;
+  WeakHandle<BtMessageDispatcher> dispatcher;
 
-  BtMessageDispatcherWeakHandle dispatcher;
+  WeakHandle<BtMessageFactory> messageFactory;
 
-  BtMessageFactoryWeakHandle messageFactory;
+  WeakHandle<BtRequestFactory> requestFactory;
 
-  BtRequestFactoryWeakHandle requestFactory;
+  WeakHandle<PeerConnection> peerConnection;
 
-  PeerConnectionWeakHandle peerConnection;
+  SharedHandle<BtMessageValidator> validator;
+
+  std::deque<SharedHandle<BtEventListener> > listeners;
 
-  BtMessageValidatorHandle validator;
-  BtEventListeners listeners;
   const Logger* logger;
 public:
-  AbstractBtMessage():sendingInProgress(false),
-		      invalidate(false),
-		      uploading(false),
-		      cuid(0),
-		      btContext(0),
-		      pieceStorage(0),
-		      peer(0),
-		      validator(0),
-		      logger(LogFactory::getInstance())
-		      
-  {}
+  AbstractBtMessage();
+
+  virtual ~AbstractBtMessage();
 
   virtual bool isSendingInProgress() {
     return sendingInProgress;
@@ -118,72 +114,39 @@ public:
     this->cuid = cuid;
   }
 
-  PeerHandle getPeer() const {
-    return peer;
-  }
+  SharedHandle<Peer> getPeer() const;
 
-  void setPeer(const PeerHandle& peer) {
-    this->peer = peer;
-  }
+  void setPeer(const SharedHandle<Peer>& peer);
 
   virtual void doReceivedAction() {}
 
-  virtual bool validate(Errors& errors) {
-    if(validator.get()) {
-      return validator->validate(errors);
-    } else {
-      return true;
-    }
-  }
+  virtual bool validate(std::deque<std::string>& errors);
   
   virtual void onQueued() {}
 
-  virtual void handleEvent(const BtEventHandle& event) {
-    for(BtEventListeners::iterator itr = listeners.begin();
-	itr != listeners.end(); ++itr) {
-      (*itr)->handleEvent(event);
-    }
-  }
+  virtual void handleEvent(const SharedHandle<BtEvent>& event);
 
-  void addEventListener(const BtEventListenerHandle& listener) {
-    listeners.push_back(listener);
-  }
+  void addEventListener(const SharedHandle<BtEventListener>& listener);
 
-  void setBtMessageValidator(const BtMessageValidatorHandle& validator) {
-    this->validator = validator;
-  }
+  void setBtMessageValidator(const SharedHandle<BtMessageValidator>& validator);
 
-  BtMessageValidatorHandle getBtMessageValidator() const {
-    return validator;
-  }
+  SharedHandle<BtMessageValidator> getBtMessageValidator() const;
 
-  void setBtContext(const BtContextHandle& btContext) {
-    this->btContext = btContext;
-    this->pieceStorage = PIECE_STORAGE(btContext);
-  }
+  void setBtContext(const SharedHandle<BtContext>& btContext);
 
-  BtContextHandle getBtContext() const {
-    return btContext;
-  }
+  SharedHandle<BtContext> getBtContext() const;
 
-  void setBtMessageDispatcher(const BtMessageDispatcherWeakHandle& dispatcher)
-  {
-    this->dispatcher = dispatcher;
-  }
+  void setBtMessageDispatcher(const WeakHandle<BtMessageDispatcher>& dispatcher);
 
-  void setPeerConnection(const PeerConnectionWeakHandle& peerConnection) {
-    this->peerConnection = peerConnection;
-  }
+  void setPeerConnection(const WeakHandle<PeerConnection>& peerConnection);
 
-  void setBtMessageFactory(const BtMessageFactoryWeakHandle& factory) {
-    this->messageFactory = factory;
-  }
+  void setBtMessageFactory(const WeakHandle<BtMessageFactory>& factory);
 
-  void setBtRequestFactory(const BtRequestFactoryWeakHandle& factory) {
-    this->requestFactory = factory;
-  }
+  void setBtRequestFactory(const WeakHandle<BtRequestFactory>& factory);
 };
 
 typedef SharedHandle<AbstractBtMessage> AbstractBtMessageHandle;
 
+} // namespace aria2
+
 #endif // _D_ABSTRACT_BT_MESSAGE_H_

src/AbstractCommand.cc

@@ -33,26 +33,31 @@
  */
 /* copyright --> */
 #include "AbstractCommand.h"
+#include "RequestGroup.h"
+#include "Request.h"
+#include "DownloadEngine.h"
+#include "Option.h"
+#include "PeerStat.h"
 #include "SegmentMan.h"
-#include "NameResolver.h"
-#include "CUIDCounter.h"
+#include "Logger.h"
+#include "Segment.h"
 #include "DlAbortEx.h"
 #include "DlRetryEx.h"
 #include "DownloadFailureException.h"
 #include "InitiateConnectionCommandFactory.h"
-#include "Util.h"
-#include "message.h"
 #include "SleepCommand.h"
-#include "prefs.h"
+#include "NameResolver.h"
 #include "DNSCache.h"
 #include "StreamCheckIntegrityEntry.h"
-#include "PeerStat.h"
-#include "Segment.h"
-#include "Option.h"
 #include "PieceStorage.h"
+#include "Socket.h"
+#include "message.h"
+#include "prefs.h"
+
+namespace aria2 {
 
 AbstractCommand::AbstractCommand(int32_t cuid,
-				 const RequestHandle& req,
+				 const SharedHandle<Request>& req,
 				 RequestGroup* requestGroup,
 				 DownloadEngine* e,
 				 const SocketHandle& s):
@@ -66,6 +71,20 @@ AbstractCommand::AbstractCommand(int32_t cuid,
   _requestGroup->increaseStreamConnection();
 }
 
+AbstractCommand::AbstractCommand(int32_t cuid,
+				 const SharedHandle<Request>& req,
+				 RequestGroup* requestGroup,
+				 DownloadEngine* e):
+  Command(cuid), RequestGroupAware(requestGroup),
+  req(req), e(e), socket(new SocketCore()),
+  checkSocketIsReadable(false), checkSocketIsWritable(false),
+  nameResolverCheck(false)
+{ 
+  setReadCheckSocket(socket);
+  timeout = this->e->option->getAsInt(PREF_TIMEOUT);
+  _requestGroup->increaseStreamConnection();
+}
+
 AbstractCommand::~AbstractCommand() {
   disableReadCheckSocket();
   disableWriteCheckSocket();
@@ -239,9 +258,9 @@ void AbstractCommand::setWriteCheckSocket(const SocketHandle& socket) {
   }
 }
 
-bool AbstractCommand::resolveHostname(const string& hostname,
+bool AbstractCommand::resolveHostname(const std::string& hostname,
 				      const NameResolverHandle& resolver) {
-  string ipaddr = DNSCacheSingletonHolder::instance()->find(hostname);
+  std::string ipaddr = DNSCacheSingletonHolder::instance()->find(hostname);
   if(ipaddr.empty()) {
 #ifdef ENABLE_ASYNC_DNS
     switch(resolver->getStatus()) {
@@ -301,3 +320,5 @@ void AbstractCommand::prepareForNextAction(Command* nextCommand)
     new StreamCheckIntegrityEntry(req, _requestGroup, nextCommand);
   e->addCommand(_requestGroup->processCheckIntegrityEntry(entry, e));
 }
+
+} // namespace aria2

src/AbstractCommand.h

@@ -36,44 +36,44 @@
 #define _D_ABSTRACT_COMMAND_H_
 
 #include "Command.h"
+#include "SharedHandle.h"
 #include "TimeA2.h"
 #include "RequestGroupAware.h"
-#include "Socket.h"
+
+namespace aria2 {
 
 class Request;
-typedef SharedHandle<Request> RequestHandle;
 class DownloadEngine;
+class RequestGroup;
 class Segment;
-typedef SharedHandle<Segment> SegmentHandle;
-typedef deque<SegmentHandle> Segments;
 class NameResolver;
-typedef SharedHandle<NameResolver> NameResolverHandle;
-class BtProgressInfoFile;
-typedef SharedHandle<BtProgressInfoFile> BtProgressInfoFileHandle;
+class Exception;
+class SocketCore;
 
 class AbstractCommand : public Command, public RequestGroupAware {
 private:
   Time checkPoint;
   int32_t timeout;
 protected:
-  RequestHandle req;
+  SharedHandle<Request> req;
   DownloadEngine* e;
-  SocketHandle socket;
-  Segments _segments;
+  SharedHandle<SocketCore> socket;
+  std::deque<SharedHandle<Segment> > _segments;
 
   void tryReserved();
   virtual bool prepareForRetry(int32_t wait);
   virtual void onAbort(Exception* ex);
   virtual bool executeInternal() = 0;
 
-  void setReadCheckSocket(const SocketHandle& socket);
-  void setWriteCheckSocket(const SocketHandle& socket);
+  void setReadCheckSocket(const SharedHandle<SocketCore>& socket);
+  void setWriteCheckSocket(const SharedHandle<SocketCore>& socket);
   void disableReadCheckSocket();
   void disableWriteCheckSocket();
-  bool resolveHostname(const string& hostname, const NameResolverHandle& nameResolver);
+  bool resolveHostname(const std::string& hostname,
+		       const SharedHandle<NameResolver>& nameResolver);
 #ifdef ENABLE_ASYNC_DNS
-  void setNameResolverCheck(const NameResolverHandle& resolver);
-  void disableNameResolverCheck(const NameResolverHandle& resolver);
+  void setNameResolverCheck(const SharedHandle<NameResolver>& resolver);
+  void disableNameResolverCheck(const SharedHandle<NameResolver>& resolver);
   virtual bool nameResolveFinished() const;
 #endif // ENABLE_ASYNC_DNS
   void setTimeout(int32_t timeout) { this->timeout = timeout; }
@@ -83,14 +83,22 @@ protected:
 private:
   bool checkSocketIsReadable;
   bool checkSocketIsWritable;
-  SocketHandle readCheckTarget;
-  SocketHandle writeCheckTarget;
+  SharedHandle<SocketCore> readCheckTarget;
+  SharedHandle<SocketCore> writeCheckTarget;
   bool nameResolverCheck;
 
 public:
-  AbstractCommand(int32_t cuid, const RequestHandle& req, RequestGroup* requestGroup, DownloadEngine* e, const SocketHandle& s = SocketHandle());
+  AbstractCommand(int32_t cuid, const SharedHandle<Request>& req,
+		  RequestGroup* requestGroup, DownloadEngine* e,
+		  const SharedHandle<SocketCore>& s);
+
+  AbstractCommand(int32_t cuid, const SharedHandle<Request>& req,
+		  RequestGroup* requestGroup, DownloadEngine* e);
+
   virtual ~AbstractCommand();
   bool execute();
 };
 
+} // namespace aria2
+
 #endif // _D_ABSTRACT_COMMAND_H_

src/AbstractDiskWriter.cc

@@ -37,13 +37,13 @@
 #include "Util.h"
 #include "message.h"
 #include "LogFactory.h"
-#include "a2io.h"
+#include "Logger.h"
 #include "DlAbortEx.h"
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <fcntl.h>
+#include "a2io.h"
+#include <cerrno>
+#include <cassert>
+
+namespace aria2 {
 
 AbstractDiskWriter::AbstractDiskWriter():
   fd(-1),
@@ -54,7 +54,7 @@ AbstractDiskWriter::~AbstractDiskWriter()
   closeFile();
 }
 
-void AbstractDiskWriter::openFile(const string& filename, int64_t totalLength)
+void AbstractDiskWriter::openFile(const std::string& filename, int64_t totalLength)
 {
   File f(filename);
   if(f.exists()) {
@@ -72,7 +72,7 @@ void AbstractDiskWriter::closeFile()
   }
 }
 
-void AbstractDiskWriter::openExistingFile(const string& filename,
+void AbstractDiskWriter::openExistingFile(const std::string& filename,
 					  int64_t totalLength)
 {
   this->filename = filename;
@@ -86,7 +86,7 @@ void AbstractDiskWriter::openExistingFile(const string& filename,
   }
 }
 
-void AbstractDiskWriter::createFile(const string& filename, int32_t addFlags)
+void AbstractDiskWriter::createFile(const std::string& filename, int32_t addFlags)
 {
   this->filename = filename;
   assert(filename.size());
@@ -182,3 +182,5 @@ void AbstractDiskWriter::disableDirectIO()
   while(fcntl(fd, F_SETFL, flg&(~O_DIRECT)) == -1 && errno == EINTR);
 #endif // ENABLE_DIRECT_IO
 }
+
+} // namespace aria2

src/AbstractDiskWriter.h

@@ -36,15 +36,19 @@
 #define _D_ABSTRACT_DISK_WRITER_H_
 
 #include "DiskWriter.h"
-#include "Logger.h"
+#include <string>
+
+namespace aria2 {
+
+class Logger;
 
 class AbstractDiskWriter : public DiskWriter {
 protected:
-  string filename;
+  std::string filename;
   int32_t fd;
   const Logger* logger;
 
-  void createFile(const string& filename, int32_t addFlags = 0);
+  void createFile(const std::string& filename, int32_t addFlags = 0);
 
 private:
   int32_t writeDataInternal(const unsigned char* data, int32_t len);
@@ -56,11 +60,11 @@ public:
   AbstractDiskWriter();
   virtual ~AbstractDiskWriter();
 
-  virtual void openFile(const string& filename, int64_t totalLength = 0);
+  virtual void openFile(const std::string& filename, int64_t totalLength = 0);
 
   virtual void closeFile();
 
-  virtual void openExistingFile(const string& filename, int64_t totalLength = 0);
+  virtual void openExistingFile(const std::string& filename, int64_t totalLength = 0);
 
   virtual void writeData(const unsigned char* data, int32_t len, int64_t offset);
 
@@ -75,4 +79,6 @@ public:
   virtual void disableDirectIO();
 };
 
+} // namespace aria2
+
 #endif // _D_ABSTRACT_DISK_WRITER_H_

src/AbstractProxyRequestCommand.cc

@@ -37,7 +37,13 @@
 #include "RequestGroup.h"
 #include "Request.h"
 #include "HttpConnection.h"
+#include "HttpRequest.h"
+#include "Segment.h"
+#include "Option.h"
 #include "prefs.h"
+#include "Socket.h"
+
+namespace aria2 {
 
 AbstractProxyRequestCommand::AbstractProxyRequestCommand(int cuid,
 							 const RequestHandle& req,
@@ -66,3 +72,5 @@ bool AbstractProxyRequestCommand::executeInternal() {
   e->commands.push_back(getNextCommand());
   return true;
 }
+
+} // namespace aria2

src/AbstractProxyRequestCommand.h

@@ -37,23 +37,27 @@
 
 #include "AbstractCommand.h"
 
+namespace aria2 {
+
 class HttpConnection;
-typedef SharedHandle<HttpConnection> HttpConnectionHandle;
+class SocketCore;
 
 class AbstractProxyRequestCommand : public AbstractCommand {
 protected:
-  HttpConnectionHandle httpConnection;
+  SharedHandle<HttpConnection> httpConnection;
 
   virtual bool executeInternal();
 public:
   AbstractProxyRequestCommand(int cuid,
-			      const RequestHandle& req,
+			      const SharedHandle<Request>& req,
 			      RequestGroup* requestGroup,
 			      DownloadEngine* e,
-			      const SocketHandle& s);
+			      const SharedHandle<SocketCore>& s);
   virtual ~AbstractProxyRequestCommand();
 
   virtual Command* getNextCommand() = 0;
 };
 
+} // namespace aria2
+
 #endif // _D_ABSTRACT_PROXY_REQUEST_COMMAND_H_

src/AbstractProxyResponseCommand.cc

@@ -35,13 +35,18 @@
 #include "AbstractProxyResponseCommand.h"
 #include "HttpConnection.h"
 #include "Request.h"
+#include "Segment.h"
 #include "RequestGroup.h"
 #include "DownloadEngine.h"
+#include "HttpRequest.h"
 #include "HttpResponse.h"
 #include "HttpRequestCommand.h"
+#include "Socket.h"
 #include "DlRetryEx.h"
 #include "message.h"
 
+namespace aria2 {
+
 AbstractProxyResponseCommand::AbstractProxyResponseCommand(int cuid,
 							   const RequestHandle& req,
 							   RequestGroup* requestGroup,
@@ -66,3 +71,5 @@ bool AbstractProxyResponseCommand::executeInternal() {
   e->commands.push_back(getNextCommand());
   return true;
 }
+
+} // namespace aria2

src/AbstractProxyResponseCommand.h

@@ -37,24 +37,28 @@
 
 #include "AbstractCommand.h"
 
+namespace aria2 {
+
 class HttpConnection;
-typedef SharedHandle<HttpConnection> HttpConnectionHandle;
+class SocketCore;
 
 class AbstractProxyResponseCommand : public AbstractCommand {
 protected:
-  HttpConnectionHandle httpConnection;
+  SharedHandle<HttpConnection> httpConnection;
 
   virtual bool executeInternal();
 public:
   AbstractProxyResponseCommand(int cuid,
-			       const RequestHandle& req,
+			       const SharedHandle<Request>& req,
 			       RequestGroup* requestGroup,
-			       const HttpConnectionHandle& httpConnection,
+			       const SharedHandle<HttpConnection>& httpConnection,
 			       DownloadEngine* e,
-			       const SocketHandle& s);
+			       const SharedHandle<SocketCore>& s);
   virtual ~AbstractProxyResponseCommand();
 
   virtual Command* getNextCommand() = 0;
 };
 
+} // namespace aria2
+
 #endif // _D_ABSTRACT_PROXY_RESPONSE_COMMAND_H_

src/AbstractSegmentManFactory.h

@@ -37,6 +37,10 @@
 
 #include "SegmentManFactory.h"
 
+namespace aria2 {
+
+class Option;
+
 class AbstractSegmentManFactory : public SegmentManFactory {
 protected:
   const Option* _option;
@@ -48,4 +52,6 @@ public:
 
 typedef SharedHandle<AbstractSegmentManFactory> AbstractSegmentManFactoryHandle;
 
+} // namespace aria2
+
 #endif // _D_ABSTRACT_SEGMENT_MAN_FACTORY_H_

src/AbstractSingleDiskAdaptor.cc

@@ -35,6 +35,15 @@
 #include "AbstractSingleDiskAdaptor.h"
 #include "File.h"
 #include "SingleFileAllocationIterator.h"
+#include "DiskWriter.h"
+
+namespace aria2 {
+
+AbstractSingleDiskAdaptor::AbstractSingleDiskAdaptor():
+  diskWriter(0),
+  totalLength(0) {}
+
+AbstractSingleDiskAdaptor::~AbstractSingleDiskAdaptor() {}
 
 void AbstractSingleDiskAdaptor::initAndOpenFile()
 {
@@ -71,12 +80,20 @@ bool AbstractSingleDiskAdaptor::fileExists()
   return File(getFilePath()).exists();
 }
 
+int64_t AbstractSingleDiskAdaptor::size() const
+{
+  return diskWriter->size();
+}
+
+void AbstractSingleDiskAdaptor::truncate(int64_t length)
+{
+  diskWriter->truncate(length);
+}
+
 FileAllocationIteratorHandle AbstractSingleDiskAdaptor::fileAllocationIterator()
 {
   SingleFileAllocationIteratorHandle h =
-    new SingleFileAllocationIterator(this,
-				     size(),
-				     totalLength);
+    new SingleFileAllocationIterator(this, size(), totalLength);
   h->init();
   return h;
 }
@@ -90,3 +107,30 @@ void AbstractSingleDiskAdaptor::disableDirectIO()
 {
   diskWriter->disableDirectIO();
 }
+
+bool AbstractSingleDiskAdaptor::directIOAllowed() const
+{
+  return diskWriter->directIOAllowed();
+}
+  
+void AbstractSingleDiskAdaptor::setDiskWriter(const DiskWriterHandle& diskWriter)
+{
+  this->diskWriter = diskWriter;
+}
+
+DiskWriterHandle AbstractSingleDiskAdaptor::getDiskWriter() const
+{
+  return diskWriter;
+}
+
+void AbstractSingleDiskAdaptor::setTotalLength(const int64_t& totalLength)
+{
+  this->totalLength = totalLength;
+}
+
+int64_t AbstractSingleDiskAdaptor::getTotalLength() const
+{
+  return totalLength;
+}
+
+} // namespace aria2

src/AbstractSingleDiskAdaptor.h

@@ -36,16 +36,20 @@
 #define _D_ABSTRACT_SINGLE_DISK_ADAPTOR_H_
 
 #include "DiskAdaptor.h"
-#include "DiskWriter.h"
+
+namespace aria2 {
+
+class DiskWriter;
+class FileAllocationIterator;
 
 class AbstractSingleDiskAdaptor : public DiskAdaptor {
 protected:
-  DiskWriterHandle diskWriter;
+  SharedHandle<DiskWriter> diskWriter;
   int64_t totalLength;
 public:
-  AbstractSingleDiskAdaptor():diskWriter(0), totalLength(0) {}
+  AbstractSingleDiskAdaptor();
 
-  virtual ~AbstractSingleDiskAdaptor() {}
+  virtual ~AbstractSingleDiskAdaptor();
 
   virtual void initAndOpenFile();
 
@@ -62,38 +66,27 @@ public:
 
   virtual bool fileExists();
 
-  virtual int64_t size() const
-  {
-    return diskWriter->size();
-  }
+  virtual int64_t size() const;
 
-  virtual void truncate(int64_t length)
-  {
-    diskWriter->truncate(length);
-  }
+  virtual void truncate(int64_t length);
   
-  virtual FileAllocationIteratorHandle fileAllocationIterator();
+  virtual SharedHandle<FileAllocationIterator> fileAllocationIterator();
 
   virtual void enableDirectIO();
 
   virtual void disableDirectIO();
   
-  virtual bool directIOAllowed() const
-  {
-    return diskWriter->directIOAllowed();
-  }
+  virtual bool directIOAllowed() const;
   
-  void setDiskWriter(const DiskWriterHandle diskWriter) {
-    this->diskWriter = diskWriter;
-  }
+  void setDiskWriter(const SharedHandle<DiskWriter>& diskWriter);
 
-  DiskWriterHandle getDiskWriter() const { return diskWriter; }
+  SharedHandle<DiskWriter> getDiskWriter() const;
 
-  void setTotalLength(const int64_t& totalLength) {
-    this->totalLength = totalLength;
-  }
+  void setTotalLength(const int64_t& totalLength);
 
-  int64_t getTotalLength() const { return totalLength; }
+  int64_t getTotalLength() const;
 };
 
+} // namespace aria2
+
 #endif // _D_ABSTRACT_SINGLE_DISK_ADAPTOR_H_

src/ActivePeerConnectionCommand.cc

@@ -36,6 +36,15 @@
 #include "PeerInitiateConnectionCommand.h"
 #include "CUIDCounter.h"
 #include "message.h"
+#include "DownloadEngine.h"
+#include "BtContext.h"
+#include "PeerStorage.h"
+#include "PieceStorage.h"
+#include "BtRuntime.h"
+#include "Peer.h"
+#include "Logger.h"
+
+namespace aria2 {
 
 ActivePeerConnectionCommand::ActivePeerConnectionCommand(int cuid,
 							 RequestGroup* requestGroup,
@@ -84,3 +93,5 @@ void ActivePeerConnectionCommand::connectToPeer(const PeerHandle& peer)
   logger->info(MSG_CONNECTING_TO_PEER,
 	       cuid, peer->ipaddr.c_str());
 }
+
+} // namespace aria2

src/ActivePeerConnectionCommand.h

@@ -37,9 +37,13 @@
 
 #include "Command.h"
 #include "BtContextAwareCommand.h"
-#include "DownloadEngine.h"
-#include "TimeA2.h"
 #include "RequestGroupAware.h"
+#include "TimeA2.h"
+
+namespace aria2 {
+
+class DownloadEngine;
+class Peer;
 
 class ActivePeerConnectionCommand : public Command,
 				    public BtContextAwareCommand,
@@ -55,14 +59,14 @@ public:
   ActivePeerConnectionCommand(int cuid,
 			      RequestGroup* requestGroup,
 			      DownloadEngine* e,
-			      const BtContextHandle& btContext,
+			      const SharedHandle<BtContext>& btContext,
 			      int32_t interval);
      
   virtual ~ActivePeerConnectionCommand();
 
   virtual bool execute();
 
-  void connectToPeer(const PeerHandle& peer);
+  void connectToPeer(const SharedHandle<Peer>& peer);
 
   void setLowestSpeedLimit(int32_t speed)
   {
@@ -75,4 +79,6 @@ public:
   }
 };
 
+} // namespace aria2
+
 #endif // _D_ACTIVE_PEER_CONNECTION_COMMAND_H_

src/AlphaNumberDecorator.h

@@ -38,17 +38,19 @@
 #include "NumberDecorator.h"
 #include "DlAbortEx.h"
 
+namespace aria2 {
+
 class AlphaNumberDecorator : public NumberDecorator
 {
 private:
 
   int32_t _width;
 
-  string _zero;
+  std::string _zero;
 
-  string widen(const string& s, int32_t width)
+  std::string widen(const std::string& s, int32_t width)
   {
-    string t = s;
+    std::string t = s;
     while(t.size() < (size_t)width) {
       t.insert(0, _zero);
     }
@@ -61,7 +63,7 @@ public:
 
   virtual ~AlphaNumberDecorator() {}
 
-  virtual string decorate(int32_t number)
+  virtual std::string decorate(int32_t number)
   {
     if(number < 0) {
       throw new DlAbortEx("The number must be greater than 0.");
@@ -70,15 +72,17 @@ public:
       return widen(_zero, _width);
     }
     int32_t base = 26;
-    string x;
+    std::string x;
     while(number > 0) {
       int32_t r = number%base;
       char alpha = _zero[0]+r;
-      x.insert(0, string(1, alpha));
+      x.insert(0, std::string(1, alpha));
       number /= base;
     }
     return widen(x, _width);
   }
 };
 
+} // namespace aria2
+
 #endif // _D_ALPHA_NUMBER_DECORATOR_H_

src/AnnounceList.cc

@@ -35,6 +35,9 @@
 #include "AnnounceList.h"
 #include "List.h"
 #include "Data.h"
+#include <algorithm>
+
+namespace aria2 {
 
 AnnounceList::AnnounceList(const MetaEntry* announceListEntry):
   currentTrackerInitialized(false) {
@@ -49,14 +52,14 @@ AnnounceList::AnnounceList(const AnnounceTiers& announceTiers):
 void AnnounceList::reconfigure(const MetaEntry* announceListEntry) {
   const List* l = dynamic_cast<const List*>(announceListEntry);
   if(l) {
-    for(MetaList::const_iterator itr = l->getList().begin();
+    for(std::deque<MetaEntry*>::const_iterator itr = l->getList().begin();
 	itr != l->getList().end(); itr++) {
       const List* elem = dynamic_cast<const List*>(*itr);
       if(!elem) {
 	continue;
       }
-      Strings urls;
-      for(MetaList::const_iterator elemItr = elem->getList().begin();
+      std::deque<std::string> urls;
+      for(std::deque<MetaEntry*>::const_iterator elemItr = elem->getList().begin();
 	  elemItr != elem->getList().end(); elemItr++) {
 	const Data* data = dynamic_cast<const Data*>(*elemItr);
 	if(data) {
@@ -72,8 +75,8 @@ void AnnounceList::reconfigure(const MetaEntry* announceListEntry) {
   }
 }
 
-void AnnounceList::reconfigure(const string& url) {
-  Strings urls;
+void AnnounceList::reconfigure(const std::string& url) {
+  std::deque<std::string> urls;
   urls.push_back(url);
   tiers.push_back(AnnounceTierHandle(new AnnounceTier(urls)));
   resetIterator();
@@ -89,7 +92,7 @@ void AnnounceList::resetIterator() {
   }
 }
 
-string AnnounceList::getAnnounce() const {
+std::string AnnounceList::getAnnounce() const {
   if(currentTrackerInitialized) {
     return *currentTracker;
   } else {
@@ -100,7 +103,7 @@ string AnnounceList::getAnnounce() const {
 void AnnounceList::announceSuccess() {
   if(currentTrackerInitialized) {
     (*currentTier)->nextEvent();
-    string url = *currentTracker;
+    std::string url = *currentTracker;
     (*currentTier)->urls.erase(currentTracker);
     (*currentTier)->urls.push_front(url);
     currentTier = tiers.begin();
@@ -138,7 +141,7 @@ void AnnounceList::setEvent(AnnounceTier::AnnounceEvent event) {
   }
 }
 
-string AnnounceList::getEventString() const {
+std::string AnnounceList::getEventString() const {
   if(currentTrackerInitialized) {
     switch((*currentTier)->event) {
     case AnnounceTier::STARTED:
@@ -203,10 +206,9 @@ template<class InputIterator, class Predicate>
 InputIterator
 find_wrap_if(InputIterator first, InputIterator last,
 	     InputIterator current, Predicate pred) {
-  InputIterator itr = find_if(current, last,
-			      pred);
+  InputIterator itr = std::find_if(current, last, pred);
   if(itr == last) {
-    itr = find_if(first, current, pred);
+    itr = std::find_if(first, current, pred);
   }
   return itr;
 }
@@ -228,7 +230,7 @@ void AnnounceList::moveToCompletedAllowedTier() {
 void AnnounceList::shuffle() {
   for(AnnounceTiers::iterator itr = tiers.begin();
       itr != tiers.end(); itr++) {
-    Strings& urls = (*itr)->urls;
+    std::deque<std::string>& urls = (*itr)->urls;
     random_shuffle(urls.begin(), urls.end());
   }
 }
@@ -260,3 +262,5 @@ bool AnnounceList::currentTierAcceptsCompletedEvent() const
     return false;
   }
 }
+
+} // namespace aria2

src/AnnounceList.h

@@ -36,26 +36,30 @@
 #define _D_ANNOUNCE_LIST_H_
 
 #include "common.h"
-#include "MetaEntry.h"
+#include "SharedHandle.h"
 #include "AnnounceTier.h"
 
+namespace aria2 {
+
+class MetaEntry;
+
 class AnnounceList {
 public:
 private:
-  AnnounceTiers tiers;
-  AnnounceTiers::iterator currentTier;
-  Strings::iterator currentTracker;
+  std::deque<SharedHandle<AnnounceTier> > tiers;
+  std::deque<SharedHandle<AnnounceTier> >::iterator currentTier;
+  std::deque<std::string>::iterator currentTracker;
   bool currentTrackerInitialized;
 
   void resetIterator();
-  void setCurrentTier(const AnnounceTiers::iterator& itr);
+  void setCurrentTier(const std::deque<SharedHandle<AnnounceTier> >::iterator& itr);
 public:
   AnnounceList():currentTrackerInitialized(false) {}
   AnnounceList(const MetaEntry* announceListEntry);
-  AnnounceList(const AnnounceTiers& tiers);
+  AnnounceList(const std::deque<SharedHandle<AnnounceTier> >& tiers);
 
   void reconfigure(const MetaEntry* announceListEntry);
-  void reconfigure(const string& url);
+  void reconfigure(const std::string& url);
 
   int32_t countTier() const {
     return tiers.size();
@@ -69,12 +73,12 @@ public:
   /**
    * Returns announce URL.
    */
-  string getAnnounce() const;
+  std::string getAnnounce() const;
 
   /**
    * Returns announce event, such as started, stopped, completed, etc.
    */
-  string getEventString() const;
+  std::string getEventString() const;
 
   AnnounceTier::AnnounceEvent getEvent() const;
 
@@ -125,4 +129,6 @@ public:
   bool currentTierAcceptsCompletedEvent() const;
 };
 
+} // namespace aria2
+
 #endif // _D_ANNOUNCE_LIST_H_

src/AnnounceTier.h

@@ -36,6 +36,11 @@
 #define _D_ANNOUNCE_TIER_H_
 
 #include "common.h"
+#include "SharedHandle.h"
+#include <string>
+#include <deque>
+
+namespace aria2 {
 
 class AnnounceTier {
 public:
@@ -50,9 +55,9 @@ public:
   };
 
   AnnounceEvent event;
-  Strings urls;
+  std::deque<std::string> urls;
 
-  AnnounceTier(const Strings& urls):event(STARTED), urls(urls) {}
+  AnnounceTier(const std::deque<std::string>& urls):event(STARTED), urls(urls) {}
 
   void nextEvent() {
     switch(event) {
@@ -89,6 +94,8 @@ public:
 };
 
 typedef SharedHandle<AnnounceTier> AnnounceTierHandle;
-typedef deque<AnnounceTierHandle> AnnounceTiers;
+typedef std::deque<AnnounceTierHandle> AnnounceTiers;
+
+} // namespace aria2
 
 #endif // _D_ANNOUNCE_TIER_H_

src/AuthConfig.cc

@@ -34,9 +34,12 @@
 /* copyright --> */
 #include "AuthConfig.h"
 
-ostream& operator<<(ostream& o, const AuthConfigHandle& authConfig)
+namespace aria2 {
+
+std::ostream& operator<<(std::ostream& o, const AuthConfigHandle& authConfig)
 {
   o << authConfig->getAuthText();
   return o;
 }
 
+} // namespace aria2

src/AuthConfig.h

@@ -36,29 +36,34 @@
 #define _D_AUTH_CONFIG_H_
 
 #include "common.h"
+#include "SharedHandle.h"
+#include <string>
+#include <iosfwd>
+
+namespace aria2 {
 
 class AuthConfig {
 private:
-  string _authScheme;
-  string _user;
-  string _password;
+  std::string _authScheme;
+  std::string _user;
+  std::string _password;
 public:
 
   AuthConfig() {}
-  AuthConfig(const string& user, const string& password):
+  AuthConfig(const std::string& user, const std::string& password):
     _user(user), _password(password) {}
 
-  string getAuthText() const
+  std::string getAuthText() const
   {
     return _user+":"+_password;
   }
 
-  const string& getUser() const
+  const std::string& getUser() const
   {
     return _user;
   }
 
-  const string& getPassword() const
+  const std::string& getPassword() const
   {
     return _password;
   }
@@ -66,6 +71,8 @@ public:
 
 typedef SharedHandle<AuthConfig> AuthConfigHandle;
 
-ostream& operator<<(ostream& o, const AuthConfigHandle& authConfig);
+std::ostream& operator<<(std::ostream& o, const AuthConfigHandle& authConfig);
+
+} // namespace aria2
 
 #endif // _D_AUTH_CONFIG_H_

src/AuthConfigFactory.cc

@@ -41,6 +41,8 @@
 #include "prefs.h"
 #include "Request.h"
 
+namespace aria2 {
+
 AuthConfigFactory::AuthConfigFactory(const Option* option):
   _option(option), _netrc(0) {}
 
@@ -66,7 +68,7 @@ AuthConfigHandle AuthConfigFactory::createAuthConfigForHttpProxy(const RequestHa
   return createHttpProxyAuthResolver()->resolveAuthConfig(request->getHost());
 }
 
-AuthConfigHandle AuthConfigFactory::createAuthConfig(const string& user, const string& password) const
+AuthConfigHandle AuthConfigFactory::createAuthConfig(const std::string& user, const std::string& password) const
 {
   if(user.length() > 0) {
     return new AuthConfig(user, password);
@@ -122,3 +124,5 @@ void AuthConfigFactory::setNetrc(const NetrcHandle& netrc)
 {
   _netrc = netrc;
 }
+
+} // namespace aria2

src/AuthConfigFactory.h

@@ -36,30 +36,31 @@
 #define _D_AUTH_CONFIG_FACTORY_H_
 
 #include "common.h"
+#include "SharedHandle.h"
+#include "SingletonHolder.h"
+#include <string>
+
+namespace aria2 {
 
 class Option;
 class Netrc;
-typedef SharedHandle<Netrc> NetrcHandle;
 class AuthConfig;
-typedef SharedHandle<AuthConfig> AuthConfigHandle;
 class Request;
-typedef SharedHandle<Request> RequestHandle;
 class AuthResolver;
-typedef SharedHandle<AuthResolver> AuthResolverHandle;
 
 class AuthConfigFactory {
 private:
   const Option* _option;
 
-  NetrcHandle _netrc;
+  SharedHandle<Netrc> _netrc;
   
-  AuthConfigHandle createAuthConfig(const string& user, const string& password) const;
+  SharedHandle<AuthConfig> createAuthConfig(const std::string& user, const std::string& password) const;
 
-  AuthResolverHandle createHttpAuthResolver() const;
+  SharedHandle<AuthResolver> createHttpAuthResolver() const;
   
-  AuthResolverHandle createHttpProxyAuthResolver() const;
+  SharedHandle<AuthResolver> createHttpProxyAuthResolver() const;
   
-  AuthResolverHandle createFtpAuthResolver() const;
+  SharedHandle<AuthResolver> createFtpAuthResolver() const;
 
 public:
   
@@ -67,14 +68,16 @@ public:
 
   ~AuthConfigFactory();
 
-  AuthConfigHandle createAuthConfig(const RequestHandle& request) const;
+  SharedHandle<AuthConfig> createAuthConfig(const SharedHandle<Request>& request) const;
 
-  AuthConfigHandle createAuthConfigForHttpProxy(const RequestHandle& request) const;
+  SharedHandle<AuthConfig> createAuthConfigForHttpProxy(const SharedHandle<Request>& request) const;
 
-  void setNetrc(const NetrcHandle& netrc);
+  void setNetrc(const SharedHandle<Netrc>& netrc);
 };
 
 typedef SharedHandle<AuthConfigFactory> AuthConfigFactoryHandle;
 typedef SingletonHolder<AuthConfigFactoryHandle> AuthConfigFactorySingleton;
 
+} // namespace aria2
+
 #endif // _D_AUTH_CONFIG_FACTORY_H_

src/AuthResolver.h

@@ -36,15 +36,22 @@
 #define _D_AUTH_RESOLVER_H_
 
 #include "common.h"
-#include "AuthConfig.h"
+#include "SharedHandle.h"
+#include <string>
+
+namespace aria2 {
+
+class AuthConfig;
 
 class AuthResolver {
 public:
   virtual ~AuthResolver() {}
 
-  virtual AuthConfigHandle resolveAuthConfig(const string& hostname) = 0;
+  virtual SharedHandle<AuthConfig> resolveAuthConfig(const std::string& hostname) = 0;
 };
 
 typedef SharedHandle<AuthResolver> AuthResolverHandle;
 
+} // namespace aria2
+
 #endif // _D_AUTH_RESOLVER_H_

src/AutoSaveCommand.cc

@@ -36,6 +36,8 @@
 #include "DownloadEngine.h"
 #include "RequestGroupMan.h"
 
+namespace aria2 {
+
 AutoSaveCommand::AutoSaveCommand(int32_t cuid, DownloadEngine* e, int32_t interval):
   TimeBasedCommand(cuid, e, interval) {}
 
@@ -52,3 +54,5 @@ void AutoSaveCommand::process()
 {
   _e->_requestGroupMan->save();
 }
+
+} // namespace aria2

src/AutoSaveCommand.h

@@ -37,6 +37,8 @@
 
 #include "TimeBasedCommand.h"
 
+namespace aria2 {
+
 class AutoSaveCommand : public TimeBasedCommand
 {
 public:
@@ -49,4 +51,6 @@ public:
   virtual void process();
 };
 
+} // namespace aria2
+
 #endif // _D_AUTO_SAVE_COMMAND_H_

src/BNode.cc

@@ -35,10 +35,16 @@
 #include "BNode.h"
 #include "DHTBucket.h"
 #include "DHTNode.h"
+#include <functional>
+#include <algorithm>
 
-BNode::BNode(const DHTBucketHandle& bucket):_bucket(bucket),
-					    _up(0),
-					    _left(0), _right(0) {}
+namespace aria2 {
+
+BNode::BNode(const SharedHandle<DHTBucket>& bucket):
+  _bucket(bucket),
+  _up(0),
+  _left(0),
+  _right(0) {}
 
 BNode::~BNode()
 {
@@ -46,7 +52,7 @@ BNode::~BNode()
   delete _right;
 }
 
-DHTBucketHandle BNode::getBucket() const
+SharedHandle<DHTBucket> BNode::getBucket() const
 {
   return _bucket;
 }
@@ -83,7 +89,7 @@ void BNode::setUp(BNode* up)
   _up = up;
 }
 
-void BNode::setBucket(const DHTBucketHandle& bucket)
+void BNode::setBucket(const SharedHandle<DHTBucket>& bucket)
 {
   _bucket = bucket;
 }
@@ -117,7 +123,7 @@ BNode* BNode::findBNodeFor(BNode* b, const unsigned char* key)
   return 0;
 }
 
-DHTBucketHandle BNode::findBucketFor(BNode* b, const unsigned char* key)
+SharedHandle<DHTBucket> BNode::findBucketFor(BNode* b, const unsigned char* key)
 {
   BNode* bnode = findBNodeFor(b, key);
   if(bnode) {
@@ -128,22 +134,22 @@ DHTBucketHandle BNode::findBucketFor(BNode* b, const unsigned char* key)
 }
 
 
-DHTNodes BNode::findClosestKNodes(BNode* b, const unsigned char* key)
+std::deque<SharedHandle<DHTNode> > BNode::findClosestKNodes(BNode* b, const unsigned char* key)
 {
   BNode* bnode = findBNodeFor(b, key);
-  DHTNodes nodes;
+  std::deque<SharedHandle<DHTNode> > nodes;
   if(!bnode) {
     return nodes;
   }
   {
-    DHTBucketHandle bucket = bnode->getBucket();
-    DHTNodes goodNodes = bucket->getGoodNodes();
+    SharedHandle<DHTBucket> bucket = bnode->getBucket();
+    std::deque<SharedHandle<DHTNode> > goodNodes = bucket->getGoodNodes();
     nodes.insert(nodes.end(), goodNodes.begin(), goodNodes.end());
   }
   if(nodes.size() >= DHTBucket::K) {
     return nodes;
   }
-  BNodes visited;
+  std::deque<const BNode*> visited;
   visited.push_back(bnode);
 
   BNode* up = bnode->getUp();
@@ -156,16 +162,16 @@ DHTNodes BNode::findClosestKNodes(BNode* b, const unsigned char* key)
   }
   bnode = up;
 
-  const_mem_fun_t<BNode*, BNode> firstfunc = leftFirst?mem_fun(&BNode::getLeft):mem_fun(&BNode::getRight);
-  const_mem_fun_t<BNode*, BNode> secondfunc = leftFirst?mem_fun(&BNode::getRight):mem_fun(&BNode::getLeft);
+  std::const_mem_fun_t<BNode*, BNode> firstfunc = leftFirst?std::mem_fun(&BNode::getLeft):std::mem_fun(&BNode::getRight);
+  std::const_mem_fun_t<BNode*, BNode> secondfunc = leftFirst?std::mem_fun(&BNode::getRight):std::mem_fun(&BNode::getLeft);
   while(nodes.size() < DHTBucket::K) {
     
     if(!bnode->getLeft() && !bnode->getRight()) {
       bnode = bnode->getUp();
     } else {
-      if(find(visited.begin(), visited.end(), firstfunc(bnode)) == visited.end()) {
+      if(std::find(visited.begin(), visited.end(), firstfunc(bnode)) == visited.end()) {
 	bnode = firstfunc(bnode);
-      } else if(find(visited.begin(), visited.end(), secondfunc(bnode)) == visited.end()) {
+      } else if(std::find(visited.begin(), visited.end(), secondfunc(bnode)) == visited.end()) {
 	bnode = secondfunc(bnode);
       } else {
 	bnode = bnode->getUp();
@@ -176,9 +182,9 @@ DHTNodes BNode::findClosestKNodes(BNode* b, const unsigned char* key)
       break;
     }
     {
-      DHTBucketHandle bucket = bnode->getBucket();
+      SharedHandle<DHTBucket> bucket = bnode->getBucket();
       if(!bucket.isNull()) {
-	DHTNodes goodNodes = bucket->getGoodNodes();
+	std::deque<SharedHandle<DHTNode> > goodNodes = bucket->getGoodNodes();
 	size_t r = DHTBucket::K-nodes.size();
 	if(goodNodes.size() <= r) {
 	  nodes.insert(nodes.end(), goodNodes.begin(), goodNodes.end());
@@ -191,10 +197,10 @@ DHTNodes BNode::findClosestKNodes(BNode* b, const unsigned char* key)
   return nodes;
 }
 
-DHTBuckets BNode::enumerateBucket(const BNode* b)
+std::deque<SharedHandle<DHTBucket> > BNode::enumerateBucket(const BNode* b)
 {
-  DHTBuckets buckets;
-  deque<const BNode*> visited;
+  std::deque<SharedHandle<DHTBucket> > buckets;
+  std::deque<const BNode*> visited;
   visited.push_back(b);
   while(1) {
     if(!b) {
@@ -203,10 +209,10 @@ DHTBuckets BNode::enumerateBucket(const BNode* b)
     if(!b->getBucket().isNull()) {
       buckets.push_back(b->getBucket());
       b = b->getUp();
-    } else if(find(visited.begin(), visited.end(), b->getLeft()) == visited.end()) {
+    } else if(std::find(visited.begin(), visited.end(), b->getLeft()) == visited.end()) {
       b = b->getLeft();
       visited.push_back(b);
-    } else if(find(visited.begin(), visited.end(), b->getRight()) == visited.end()) {
+    } else if(std::find(visited.begin(), visited.end(), b->getRight()) == visited.end()) {
       b = b->getRight();
       visited.push_back(b);
     } else {
@@ -215,3 +221,5 @@ DHTBuckets BNode::enumerateBucket(const BNode* b)
   }
   return buckets;
 }
+
+} // namespace aria2

src/BNode.h

@@ -36,13 +36,17 @@
 #define _D_BNODE_H_
 
 #include "common.h"
-#include "DHTBucketDecl.h"
-#include "BNodeDecl.h"
-#include "DHTNodeDecl.h"
+#include "SharedHandle.h"
+#include <deque>
+
+namespace aria2 {
+
+class DHTBucket;
+class DHTNode;
 
 class BNode {
 private:
-  DHTBucketHandle _bucket;
+  SharedHandle<DHTBucket> _bucket;
 
   BNode* _up;
 
@@ -51,13 +55,13 @@ private:
   BNode* _right;
 
 public:
-  BNode(const DHTBucketHandle& bucket = 0);
+  BNode(const SharedHandle<DHTBucket>& bucket = 0);
 
   ~BNode();
 
-  DHTBucketHandle getBucket() const;
+  SharedHandle<DHTBucket> getBucket() const;
 
-  void setBucket(const DHTBucketHandle& bucket);
+  void setBucket(const SharedHandle<DHTBucket>& bucket);
 
   BNode* getLeft() const;
 
@@ -75,11 +79,13 @@ public:
 
   static BNode* findBNodeFor(BNode* b, const unsigned char* key);
 
-  static DHTBucketHandle findBucketFor(BNode* b, const unsigned char* key);
+  static SharedHandle<DHTBucket> findBucketFor(BNode* b, const unsigned char* key);
 
-  static DHTNodes findClosestKNodes(BNode* b, const unsigned char* key);
+  static std::deque<SharedHandle<DHTNode> > findClosestKNodes(BNode* b, const unsigned char* key);
 
-  static DHTBuckets enumerateBucket(const BNode* b);
+  static std::deque<SharedHandle<DHTBucket> > enumerateBucket(const BNode* b);
 };
 
+} // namespace aria2
+
 #endif // _D_BNODE_H_

src/Base64.cc

@@ -34,6 +34,8 @@
 /* copyright --> */
 #include "Base64.h"
 
+namespace aria2 {
+
 static const char CHAR_TABLE[] = {
   'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
   'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
@@ -179,22 +181,24 @@ void Base64::decode(unsigned char*& result, size_t& rlength,
   delete [] nsrc;
 }
 
-string Base64::encode(const string& s)
+std::string Base64::encode(const std::string& s)
 {
   unsigned char* buf = 0;
   size_t len;
   encode(buf, len, s.c_str(), s.size());
-  string r(&buf[0], &buf[len]);
+  std::string r(&buf[0], &buf[len]);
   delete [] buf;
   return r;
 }
 
-string Base64::decode(const string& s)
+std::string Base64::decode(const std::string& s)
 {
   unsigned char* buf = 0;
   size_t len;
   decode(buf, len, s.c_str(), s.size());
-  string r(&buf[0], &buf[len]);
+  std::string r(&buf[0], &buf[len]);
   delete [] buf;
   return r;
 }
+
+} // namespace aria2

src/Base64.h

@@ -36,7 +36,7 @@
 #define _D_BASE64_H_
 #include <string>
 
-using namespace std;
+namespace aria2 {
 
 class Base64
 {
@@ -67,7 +67,7 @@ public:
     encode(result, rlength, (const unsigned char*)src, slength);
   }
 
-  static string encode(const string& s);
+  static std::string encode(const std::string& s);
 
   /**
    * Dencods base64 encoded src whose length is slength and stores them to
@@ -87,7 +87,9 @@ public:
     decode(result, rlength, (const unsigned char*)src, slength);
   }
 
-  static string decode(const string& s);
+  static std::string decode(const std::string& s);
 };
 
+} // namespace aria2
+
 #endif // _BASE64_H_

src/BencodeVisitor.cc

@@ -37,6 +37,10 @@
 #include "List.h"
 #include "Dictionary.h"
 #include "Util.h"
+#include <functional>
+#include <algorithm>
+
+namespace aria2 {
 
 BencodeVisitor::BencodeVisitor() {}
 
@@ -54,8 +58,8 @@ void BencodeVisitor::visit(const Data* d)
 void BencodeVisitor::visit(const List* l)
 {
   _bencodedData += "l";
-  for_each(l->getList().begin(), l->getList().end(),
-	   bind2nd(mem_fun(&MetaEntry::accept), this));
+  std::for_each(l->getList().begin(), l->getList().end(),
+		std::bind2nd(std::mem_fun(&MetaEntry::accept), this));
   _bencodedData += "e";
 }
 
@@ -63,7 +67,7 @@ void BencodeVisitor::visit(const Dictionary* d)
 {
   _bencodedData += "d";
 
-  for(Order::const_iterator itr = d->getOrder().begin(); itr != d->getOrder().end(); ++itr) {
+  for(std::deque<std::string>::const_iterator itr = d->getOrder().begin(); itr != d->getOrder().end(); ++itr) {
     _bencodedData += Util::itos((int32_t)(*itr).size());
     _bencodedData += ":";
     _bencodedData += *itr;
@@ -82,3 +86,5 @@ void BencodeVisitor::visit(const MetaEntry* e)
     visit(reinterpret_cast<const Dictionary*>(e));
   }
 }
+
+} // namespace aria2

src/BencodeVisitor.h

@@ -36,6 +36,9 @@
 #define _D_BENCODE_VISITOR_H_
 
 #include "MetaEntryVisitor.h"
+#include <string>
+
+namespace aria2 {
 
 class Data;
 class Dictionary;
@@ -44,7 +47,7 @@ class MetaEntry;
 
 class BencodeVisitor : public MetaEntryVisitor {
 private:
-  string _bencodedData;
+  std::string _bencodedData;
 public:
   BencodeVisitor();
   ~BencodeVisitor();
@@ -55,10 +58,12 @@ public:
 
   virtual void visit(const MetaEntry* e);
 
-  const string& getBencodedData() const
+  const std::string& getBencodedData() const
   {
     return _bencodedData;
   }
 };
 
+} // namespace aria2
+
 #endif // _D_BENCODE_VISITOR_H_

src/BinaryStream.h

@@ -36,7 +36,9 @@
 #define _D_BINARY_STREAM_H_
 
 #include "common.h"
-#include "DlAbortEx.h"
+#include "SharedHandle.h"
+
+namespace aria2 {
 
 class BinaryStream {
 public:
@@ -57,4 +59,6 @@ public:
 
 typedef SharedHandle<BinaryStream> BinaryStreamHandle;
 
+} // namespace aria2
+
 #endif // _D_BINARY_STREAM_H_

src/BitfieldMan.cc

@@ -33,9 +33,12 @@
  */
 /* copyright --> */
 #include "BitfieldMan.h"
+#include "Randomizer.h"
 #include "Util.h"
 #include "array_fun.h"
-#include <string.h>
+#include <cstring>
+
+namespace aria2 {
 
 BitfieldMan::BitfieldMan(int32_t blockLength, int64_t totalLength)
   :blockLength(blockLength),
@@ -99,12 +102,63 @@ BitfieldMan::BitfieldMan(const BitfieldMan& bitfieldMan)
   updateCache();
 }
 
+BitfieldMan& BitfieldMan::operator=(const BitfieldMan& bitfieldMan)
+{
+  if(this != &bitfieldMan) {
+    blockLength = bitfieldMan.blockLength;
+    totalLength = bitfieldMan.totalLength;
+    blocks = bitfieldMan.blocks;
+    bitfieldLength = bitfieldMan.bitfieldLength;
+    filterEnabled = bitfieldMan.filterEnabled;
+
+    delete [] bitfield;
+    bitfield = new unsigned char[bitfieldLength];
+    memcpy(bitfield, bitfieldMan.bitfield, bitfieldLength);
+
+    delete [] useBitfield;
+    useBitfield = new unsigned char[bitfieldLength];
+    memcpy(useBitfield, bitfieldMan.useBitfield, bitfieldLength);
+
+    delete [] filterBitfield;
+    if(filterEnabled) {
+      filterBitfield = new unsigned char[bitfieldLength];
+      memcpy(filterBitfield, bitfieldMan.filterBitfield, bitfieldLength);
+    } else {
+      filterBitfield = 0;
+    }
+
+    updateCache();
+  }
+  return *this;
+}
+
 BitfieldMan::~BitfieldMan() {
   delete [] bitfield;
   delete [] useBitfield;
   delete [] filterBitfield;
 }
 
+int32_t BitfieldMan::getBlockLength() const
+{
+  return blockLength;
+}
+
+int32_t BitfieldMan::getLastBlockLength() const
+{
+  return totalLength-blockLength*(blocks-1);
+}
+
+int32_t BitfieldMan::getBlockLength(int32_t index) const
+{
+  if(index == blocks-1) {
+    return getLastBlockLength();
+  } else if(0 <= index && index < blocks-1) {
+    return getBlockLength();
+  } else {
+    return 0;
+  }
+}
+
 int32_t BitfieldMan::countSetBit(const unsigned char* bitfield, int32_t len) const {
   int32_t count = 0;
   int32_t size = sizeof(int32_t);
@@ -332,9 +386,9 @@ int32_t BitfieldMan::getSparseMissingUnusedIndex() const {
 }
 
 template<typename Array>
-BlockIndexes BitfieldMan::getAllMissingIndexes(const Array& bitfield, int32_t bitfieldLength) const
+std::deque<int32_t> BitfieldMan::getAllMissingIndexes(const Array& bitfield, int32_t bitfieldLength) const
 {
-  BlockIndexes missingIndexes;
+  std::deque<int32_t> missingIndexes;
   for(int32_t i = 0; i < bitfieldLength; ++i) {
     int32_t base = i*8;
     for(int32_t bi = 0; bi < 8 && base+bi < blocks; ++bi) {
@@ -347,7 +401,7 @@ BlockIndexes BitfieldMan::getAllMissingIndexes(const Array& bitfield, int32_t bi
   return missingIndexes;
 }
 
-BlockIndexes BitfieldMan::getAllMissingIndexes() const {
+std::deque<int32_t> BitfieldMan::getAllMissingIndexes() const {
   array_fun<unsigned char> bf = array_negate(bitfield);
   if(filterEnabled) {
     bf = array_and(bf, filterBitfield);
@@ -355,9 +409,9 @@ BlockIndexes BitfieldMan::getAllMissingIndexes() const {
   return getAllMissingIndexes(bf, bitfieldLength);
 }
 
-BlockIndexes BitfieldMan::getAllMissingIndexes(const unsigned char* peerBitfield, int32_t peerBitfieldLength) const {
+std::deque<int32_t> BitfieldMan::getAllMissingIndexes(const unsigned char* peerBitfield, int32_t peerBitfieldLength) const {
   if(bitfieldLength != peerBitfieldLength) {
-    return BlockIndexes();
+    return std::deque<int32_t>();
   }
   array_fun<unsigned char> bf = array_and(array_negate(bitfield),
 					  peerBitfield);
@@ -402,6 +456,11 @@ int32_t BitfieldMan::countFilteredBlockNow() const {
   }
 }
 
+int32_t BitfieldMan::getMaxIndex() const
+{
+  return blocks-1;
+}
+
 bool BitfieldMan::setBitInternal(unsigned char* bitfield, int32_t index, bool on) {
   if(blocks <= index) { return false; }
   unsigned char mask = 128 >> index%8;
@@ -485,6 +544,16 @@ void BitfieldMan::setBitfield(const unsigned char* bitfield, int32_t bitfieldLen
   updateCache();
 }
 
+const unsigned char* BitfieldMan::getBitfield() const
+{
+  return bitfield;
+}
+
+int32_t BitfieldMan::getBitfieldLength() const
+{
+  return bitfieldLength;
+}
+
 void BitfieldMan::clearAllBit() {
   memset(this->bitfield, 0, this->bitfieldLength);
   updateCache();
@@ -680,3 +749,15 @@ int64_t BitfieldMan::getMissingUnusedLength(int32_t startingIndex) const
   }
   return length;
 }
+
+void BitfieldMan::setRandomizer(const SharedHandle<Randomizer>& randomizer)
+{
+  this->randomizer = randomizer;
+}
+
+SharedHandle<Randomizer> BitfieldMan::getRandomizer() const
+{
+  return randomizer;
+}
+
+} // namespace aria2

src/BitfieldMan.h

@@ -36,10 +36,12 @@
 #define _D_BITFIELD_MAN_H_
 
 #include "common.h"
-#include "Randomizer.h"
+#include "SharedHandle.h"
 #include <deque>
 
-typedef deque<int> BlockIndexes;
+namespace aria2 {
+
+class Randomizer;
 
 class BitfieldMan {
 private:
@@ -51,7 +53,7 @@ private:
   int32_t bitfieldLength;
   int32_t blocks;
   bool filterEnabled;
-  RandomizerHandle randomizer;
+  SharedHandle<Randomizer> randomizer;
 
   // for caching
   int32_t cachedNumMissingBlock;
@@ -72,7 +74,7 @@ private:
   int32_t getFirstMissingIndex(const Array& bitfield, int32_t bitfieldLength) const;
 
   template<typename Array>
-  BlockIndexes getAllMissingIndexes(const Array& bitfield, int32_t bitfieldLength) const;
+  std::deque<int32_t> getAllMissingIndexes(const Array& bitfield, int32_t bitfieldLength) const;
 
   bool isBitSetInternal(const unsigned char* bitfield, int32_t index) const;
   bool setBitInternal(unsigned char* bitfield, int32_t index, bool on);
@@ -87,50 +89,13 @@ public:
   BitfieldMan(const BitfieldMan& bitfieldMan);
   ~BitfieldMan();
 
-  BitfieldMan& operator=(const BitfieldMan& bitfieldMan) {
-    if(this != &bitfieldMan) {
-      blockLength = bitfieldMan.blockLength;
-      totalLength = bitfieldMan.totalLength;
-      blocks = bitfieldMan.blocks;
-      bitfieldLength = bitfieldMan.bitfieldLength;
-      filterEnabled = bitfieldMan.filterEnabled;
-
-      delete [] bitfield;
-      bitfield = new unsigned char[bitfieldLength];
-      memcpy(bitfield, bitfieldMan.bitfield, bitfieldLength);
-
-      delete [] useBitfield;
-      useBitfield = new unsigned char[bitfieldLength];
-      memcpy(useBitfield, bitfieldMan.useBitfield, bitfieldLength);
-
-      delete [] filterBitfield;
-      if(filterEnabled) {
-	filterBitfield = new unsigned char[bitfieldLength];
-	memcpy(filterBitfield, bitfieldMan.filterBitfield, bitfieldLength);
-      } else {
-	filterBitfield = 0;
-      }
-
-      updateCache();
-    }
-    return *this;
-  }
-
-  int32_t getBlockLength() const { return blockLength; }
-
-  int32_t getLastBlockLength() const {
-    return totalLength-blockLength*(blocks-1);
-  }
-
-  int32_t getBlockLength(int32_t index) const {
-    if(index == blocks-1) {
-      return getLastBlockLength();
-    } else if(0 <= index && index < blocks-1) {
-      return getBlockLength();
-    } else {
-      return 0;
-    }
-  }
+  BitfieldMan& operator=(const BitfieldMan& bitfieldMan);
+
+  int32_t getBlockLength() const;
+
+  int32_t getLastBlockLength() const;
+
+  int32_t getBlockLength(int32_t index) const;
 
   int64_t getTotalLength() const { return totalLength; }
 
@@ -173,11 +138,11 @@ public:
   /**
    * affected by filter
    */
-  BlockIndexes getAllMissingIndexes() const;
+  std::deque<int32_t> getAllMissingIndexes() const;
   /**
    * affected by filter
    */
-  BlockIndexes getAllMissingIndexes(const unsigned char* bitfield, int32_t len) const;
+  std::deque<int32_t> getAllMissingIndexes(const unsigned char* bitfield, int32_t len) const;
   /**
    * affected by filter
    */
@@ -203,8 +168,9 @@ public:
 
   bool isAllBitSet() const;
 
-  const unsigned char* getBitfield() const { return bitfield; }
-  int32_t getBitfieldLength() const { return bitfieldLength; }
+  const unsigned char* getBitfield() const;
+
+  int32_t getBitfieldLength() const;
 
   /**
    * affected by filter
@@ -217,7 +183,7 @@ public:
    */
   int32_t countFilteredBlockNow() const;
 
-  int32_t getMaxIndex() const { return blocks-1; }
+  int32_t getMaxIndex() const;
 
   void setBitfield(const unsigned char* bitfield, int32_t bitfieldLength);
 
@@ -258,13 +224,9 @@ public:
    */
   int64_t getFilteredCompletedLengthNow() const;
 
-  void setRandomizer(const RandomizerHandle& randomizer) {
-    this->randomizer = randomizer;
-  }
+  void setRandomizer(const SharedHandle<Randomizer>& randomizer);
 
-  RandomizerHandle getRandomizer() const {
-    return randomizer;
-  }
+  SharedHandle<Randomizer> getRandomizer() const;
 
   void updateCache();
 
@@ -280,4 +242,6 @@ public:
 
 };
 
+} // namespace aria2
+
 #endif // _D_BITFIELD_MAN_H_

src/BitfieldManFactory.cc

@@ -33,8 +33,51 @@
  */
 /* copyright --> */
 #include "BitfieldManFactory.h"
-#include "SimpleRandomizer.h"
+#include "BitfieldMan.h"
+#include "Randomizer.h"
+
+namespace aria2 {
 
 BitfieldManFactoryHandle BitfieldManFactory::factory = 0;
 
+BitfieldManFactoryHandle BitfieldManFactory::getFactoryInstance()
+{
+  if(factory.isNull()) {
+    factory = new BitfieldManFactory();
+  }
+  return factory;
+}
+
 BitfieldManFactory::BitfieldManFactory():randomizer(0) {}
+
+BitfieldManFactory::~BitfieldManFactory() {}
+
+BitfieldMan*
+BitfieldManFactory::createBitfieldMan(int32_t blockLength, int64_t totalLength)
+{
+  BitfieldMan* bitfieldMan = new BitfieldMan(blockLength, totalLength);
+  bitfieldMan->setRandomizer(randomizer);
+  return bitfieldMan;
+}
+
+void BitfieldManFactory::setDefaultRandomizer(const RandomizerHandle& randomizer) {
+  BitfieldManFactoryHandle factory = getFactoryInstance();
+  factory->setRandomizer(randomizer);
+}
+
+RandomizerHandle BitfieldManFactory::getDefaultRandomizer()
+{
+  return getFactoryInstance()->getRandomizer();
+}
+
+void BitfieldManFactory::setRandomizer(const RandomizerHandle& randomizer)
+{
+  this->randomizer = randomizer;
+}
+
+RandomizerHandle BitfieldManFactory::getRandomizer() const
+{
+  return randomizer;
+}
+
+} // namespace aria2

src/BitfieldManFactory.h

@@ -36,52 +36,38 @@
 #define _D_BITFIELD_MAN_FACTORY_H_
 
 #include "common.h"
-#include "Randomizer.h"
-#include "BitfieldMan.h"
+#include "SharedHandle.h"
 
-class BitfieldManFactory;
+namespace aria2 {
 
-typedef SharedHandle<BitfieldManFactory> BitfieldManFactoryHandle;
+class Randomizer;
+class BitfieldMan;
 
 class BitfieldManFactory {
 private:
-  static BitfieldManFactoryHandle factory;
+  static SharedHandle<BitfieldManFactory> factory;
 
-  RandomizerHandle randomizer;
+  SharedHandle<Randomizer> randomizer;
 
   BitfieldManFactory();
 public:
-  ~BitfieldManFactory() {}
+  ~BitfieldManFactory();
 
-  static BitfieldManFactoryHandle getFactoryInstance() {
-    if(factory.isNull()) {
-      factory = new BitfieldManFactory();
-    }
-    return factory;
-  }
+  static SharedHandle<BitfieldManFactory> getFactoryInstance();
 
-  BitfieldMan* createBitfieldMan(int32_t blockLength, int64_t totalLength) {
-    BitfieldMan* bitfieldMan = new BitfieldMan(blockLength, totalLength);
-    bitfieldMan->setRandomizer(randomizer);
-    return bitfieldMan;
-  }
+  BitfieldMan* createBitfieldMan(int32_t blockLength, int64_t totalLength);
 
-  static void setDefaultRandomizer(const RandomizerHandle& randomizer) {
-    BitfieldManFactoryHandle factory = getFactoryInstance();
-    factory->setRandomizer(randomizer);
-  }
+  static void setDefaultRandomizer(const SharedHandle<Randomizer>& randomizer);
 
-  static RandomizerHandle getDefaultRandomizer() {
-    return getFactoryInstance()->getRandomizer();
-  }
+  static SharedHandle<Randomizer> getDefaultRandomizer();
 
-  void setRandomizer(const RandomizerHandle& randomizer) {
-    this->randomizer = randomizer;
-  }
+  void setRandomizer(const SharedHandle<Randomizer>& randomizer);
 
-  RandomizerHandle getRandomizer() const {
-    return randomizer;
-  }
+  SharedHandle<Randomizer> getRandomizer() const;
 };
 
+typedef SharedHandle<BitfieldManFactory> BitfieldManFactoryHandle;
+
+} // namespace aria2
+
 #endif // _D_BITFIELD_MAN_FACTORY_H_

src/BtAbortOutstandingRequestEvent.h

@@ -37,21 +37,27 @@
 
 #include "BtEvent.h"
 
+namespace aria2 {
+
+class Piece;
+
 class BtAbortOutstandingRequestEvent : public BtEvent {
 private:
-  PieceHandle piece;
+  SharedHandle<Piece> piece;
 public:
-  BtAbortOutstandingRequestEvent(const PieceHandle& piece):piece(piece) {}
+  BtAbortOutstandingRequestEvent(const SharedHandle<Piece>& piece):piece(piece) {}
 
-  PieceHandle getPiece() const {
+  SharedHandle<Piece> getPiece() const {
     return piece;
   }
 
-  void setPiece(const PieceHandle& piece) {
+  void setPiece(const SharedHandle<Piece>& piece) {
     this->piece = piece;
   }
 };
 
 typedef SharedHandle<BtAbortOutstandingRequestEvent> BtAbortOutstandingRequestEventHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_ABORT_OUTSTANDING_REQUEST_EVENT_H_

src/BtAllowedFastMessage.cc

@@ -37,6 +37,9 @@
 #include "Util.h"
 #include "DlAbortEx.h"
 #include "message.h"
+#include "Peer.h"
+
+namespace aria2 {
 
 BtAllowedFastMessageHandle BtAllowedFastMessage::create(const unsigned char* data, int32_t dataLength) {
   if(dataLength != 5) {
@@ -84,6 +87,8 @@ void BtAllowedFastMessage::onSendComplete() {
   peer->addAmAllowedIndex(index);
 }
 
-string BtAllowedFastMessage::toString() const {
+std::string BtAllowedFastMessage::toString() const {
   return "allowed fast index="+Util::itos(index);
 }
+
+} // namespace aria2

src/BtAllowedFastMessage.h

@@ -37,6 +37,8 @@
 
 #include "SimpleBtMessage.h"
 
+namespace aria2 {
+
 class BtAllowedFastMessage;
 
 typedef SharedHandle<BtAllowedFastMessage> BtAllowedFastMessageHandle;
@@ -74,10 +76,12 @@ public:
 
   virtual int32_t getMessageLength();
 
-  virtual string toString() const;
+  virtual std::string toString() const;
 
   virtual void onSendComplete();
 
 };
 
+} // namespace aria2
+
 #endif // _D_BT_ALLOWED_FAST_MESSAGE_H_

src/BtAllowedFastMessageValidator.h

@@ -37,6 +37,9 @@
 
 #include "BtMessageValidator.h"
 #include "BtAllowedFastMessage.h"
+#include "PeerMessageUtil.h"
+
+namespace aria2 {
 
 class BtAllowedFastMessageValidator : public BtMessageValidator {
 private:
@@ -57,4 +60,6 @@ public:
 
 typedef SharedHandle<BtAllowedFastMessageValidator> BtAllowedFastMessageValidatorHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_ALLOWED_FAST_MESSAGE_VALIDATOR_H_

src/BtAnnounce.h

@@ -36,6 +36,10 @@
 #define _D_BT_ANNOUNCE_H_
 
 #include "common.h"
+#include "SharedHandle.h"
+#include <string>
+
+namespace aria2 {
 
 class BtAnnounce {
 public:
@@ -57,7 +61,7 @@ public:
   /**
    * Returns announe URL with all necessary parameters included.
    */
-  virtual string getAnnounceUrl() = 0;
+  virtual std::string getAnnounceUrl() = 0;
 
   /**
    * Tells that the announce process has just started.
@@ -103,4 +107,6 @@ public:
 
 typedef SharedHandle<BtAnnounce> BtAnnounceHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_ANNOUNCE_H_

src/BtBitfieldMessage.cc

@@ -37,6 +37,10 @@
 #include "Util.h"
 #include "DlAbortEx.h"
 #include "message.h"
+#include "Peer.h"
+#include <cstring>
+
+namespace aria2 {
 
 void BtBitfieldMessage::setBitfield(const unsigned char* bitfield, int32_t bitfieldLength) {
   if(this->bitfield == bitfield) {
@@ -90,6 +94,8 @@ int32_t BtBitfieldMessage::getMessageLength() {
   return msgLength;
 }
 
-string BtBitfieldMessage::toString() const {
+std::string BtBitfieldMessage::toString() const {
   return "bitfield "+Util::toHex(bitfield, bitfieldLength);
 }
+
+} // namespace aria2

src/BtBitfieldMessage.h

@@ -37,6 +37,8 @@
 
 #include "SimpleBtMessage.h"
 
+namespace aria2 {
+
 class BtBitfieldMessage;
 
 typedef SharedHandle<BtBitfieldMessage> BtBitfieldMessageHandle;
@@ -90,7 +92,9 @@ public:
 
   virtual int32_t getMessageLength();
 
-  virtual string toString() const;
+  virtual std::string toString() const;
 };
 
+} // namespace aria2
+
 #endif // _D_BT_BITFIELD_MESSAGE_H_

src/BtBitfieldMessageValidator.h

@@ -38,6 +38,8 @@
 #include "BtMessageValidator.h"
 #include "BtBitfieldMessage.h"
 
+namespace aria2 {
+
 class BtBitfieldMessageValidator : public BtMessageValidator {
 private:
   const BtBitfieldMessage* message;
@@ -58,4 +60,7 @@ public:
 };
 
 typedef SharedHandle<BtBitfieldMessageValidator> BtBitfieldMessageValidatorHandle;
+
+} // namespace aria2
+
 #endif // _D_BT_BITFIELD_MESSAGE_VALIDATOR_H_

src/BtCancelMessage.cc

@@ -37,6 +37,9 @@
 #include "Util.h"
 #include "DlAbortEx.h"
 #include "message.h"
+#include "BtMessageDispatcher.h"
+
+namespace aria2 {
 
 BtCancelMessageHandle BtCancelMessage::create(const unsigned char* data, int32_t dataLength) {
   if(dataLength != 13) {
@@ -82,7 +85,9 @@ int32_t BtCancelMessage::getMessageLength() {
   return MESSAGE_LENGTH;
 }
 
-string BtCancelMessage::toString() const {
+std::string BtCancelMessage::toString() const {
   return "cancel index="+Util::itos(index)+", begin="+Util::itos(begin)+
     ", length="+Util::itos(length);
 }
+
+} // namespace aria2

src/BtCancelMessage.h

@@ -36,7 +36,8 @@
 #define _D_BT_CANCEL_MESSAGE_H_
 
 #include "SimpleBtMessage.h"
-#include "message.h"
+
+namespace aria2 {
 
 class BtCancelMessage;
 
@@ -86,7 +87,9 @@ public:
 
   virtual int32_t getMessageLength();
 
-  virtual string toString() const;
+  virtual std::string toString() const;
 };
 
+} // namespace aria2
+
 #endif // _D_BT_CANCEL_MESSAGE_H_

src/BtCancelMessageValidator.h

@@ -37,6 +37,9 @@
 
 #include "BtMessageValidator.h"
 #include "BtCancelMessage.h"
+#include "PeerMessageUtil.h"
+
+namespace aria2 {
 
 class BtCancelMessageValidator : public BtMessageValidator {
 private:
@@ -64,4 +67,6 @@ public:
 
 typedef SharedHandle<BtCancelMessageValidator> BtCancelMessageValidatorHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_CANCEL_MESSAGE_VALIDATOR_H_

src/BtCancelSendingPieceEvent.h

@@ -37,6 +37,8 @@
 
 #include "BtEvent.h"
 
+namespace aria2 {
+
 class BtCancelSendingPieceEvent : public BtEvent {
 private:
   int32_t index;
@@ -75,4 +77,6 @@ public:
 
 typedef SharedHandle<BtCancelSendingPieceEvent> BtCancelSendingPieceEventHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_CANCEL_SENDING_PIECE_EVENT_H_

src/BtCheckIntegrityEntry.cc

@@ -33,15 +33,15 @@
  */
 /* copyright --> */
 #include "BtCheckIntegrityEntry.h"
-#include "BtSetup.h"
 #include "BtFileAllocationEntry.h"
-#include "CUIDCounter.h"
 #include "RequestGroup.h"
 #include "PieceStorage.h"
 #include "DownloadEngine.h"
 #include "FileAllocationMan.h"
 #include "DiskAdaptor.h"
 
+namespace aria2 {
+
 BtCheckIntegrityEntry::BtCheckIntegrityEntry(RequestGroup* requestGroup):
   PieceHashCheckIntegrityEntry(requestGroup, 0) {}
 
@@ -68,3 +68,5 @@ Commands BtCheckIntegrityEntry::onDownloadFinished(DownloadEngine* e)
   // behavior.
   return onDownloadIncomplete(e);
 }
+
+} // namespace aria2

src/BtCheckIntegrityEntry.h

@@ -37,17 +37,21 @@
 
 #include "PieceHashCheckIntegrityEntry.h"
 
+namespace aria2 {
+
 class BtCheckIntegrityEntry : public PieceHashCheckIntegrityEntry {
 public:
   BtCheckIntegrityEntry(RequestGroup* requestGroup);
 
   virtual ~BtCheckIntegrityEntry();
 
-  virtual Commands onDownloadFinished(DownloadEngine* e);
+  virtual std::deque<Command*> onDownloadFinished(DownloadEngine* e);
 
-  virtual Commands onDownloadIncomplete(DownloadEngine* e);
+  virtual std::deque<Command*> onDownloadIncomplete(DownloadEngine* e);
 };
 
 typedef SharedHandle<BtCheckIntegrityEntry> BtCheckIntegrityEntryHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_FILE_ALLOCATION_ENTRY_H_

src/BtChokeMessage.cc

@@ -36,6 +36,11 @@
 #include "PeerMessageUtil.h"
 #include "DlAbortEx.h"
 #include "message.h"
+#include "Peer.h"
+#include "BtMessageDispatcher.h"
+#include "BtRequestFactory.h"
+
+namespace aria2 {
 
 BtChokeMessageHandle BtChokeMessage::create(const unsigned char* data, int32_t dataLength) {
   if(dataLength != 1) {
@@ -83,6 +88,8 @@ void BtChokeMessage::onSendComplete() {
   dispatcher->doChokingAction();
 }
 
-string BtChokeMessage::toString() const {
+std::string BtChokeMessage::toString() const {
   return "choke";
 }
+
+} // namespace aria2

src/BtChokeMessage.h

@@ -37,6 +37,8 @@
 
 #include "SimpleBtMessage.h"
 
+namespace aria2 {
+
 class BtChokeMessage;
 
 typedef SharedHandle<BtChokeMessage> BtChokeMessageHandle;
@@ -63,7 +65,7 @@ public:
 
   virtual int32_t getMessageLength();
 
-  virtual string toString() const;
+  virtual std::string toString() const;
 
   static BtChokeMessageHandle create(const unsigned char* data, int32_t dataLength);
 
@@ -72,4 +74,6 @@ public:
   virtual void onSendComplete();
 };
 
+} // namespace aria2
+
 #endif // _D_CHOKE_MESSAGE_H_

src/BtChokedEvent.h

@@ -36,10 +36,15 @@
 #define _D_BT_CHOKED_EVENT_H_
 
 #include "BtEvent.h"
+#include "SharedHandle.h"
+
+namespace aria2 {
 
 class BtChokedEvent : public BtEvent {
 };
 
 typedef SharedHandle<BtChokedEvent> BtChokedEventHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_CHOKED_EVENT_H_

src/BtChokingEvent.h

@@ -37,9 +37,13 @@
 
 #include "BtEvent.h"
 
+namespace aria2 {
+
 class BtChokingEvent : public BtEvent {
 };
 
 typedef SharedHandle<BtChokingEvent> BtChokingEventHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_CHOKING_EVENT_H_

src/BtConstants.h

@@ -38,6 +38,16 @@
 #include "common.h"
 #include <map>
 
-typedef map<string, uint8_t> Extensions;
+typedef std::map<std::string, uint8_t> Extensions;
+
+#define PEER_ID_LENGTH 20
+
+#define INFO_HASH_LENGTH 20
+
+#define MAX_PEER_ERROR 5
+
+#define MAX_PEERS 55
+
+#define DEFAULT_LATENCY 1500
 
 #endif // _D_BT_CONSTANTS_

src/BtContext.h

@@ -38,14 +38,9 @@
 #include "DownloadContext.h"
 #include "BtContextDecl.h"
 
-#define INFO_HASH_LENGTH 20
-#define MAX_PEER_ERROR 5
-#define MAX_PEERS 55
+namespace aria2 {
 
 class AnnounceTier;
-typedef SharedHandle<AnnounceTier> AnnounceTierHandle;
-typedef deque<AnnounceTierHandle> AnnounceTiers;
-
 class RequestGroup;
 
 class BtContext:public DownloadContext {
@@ -60,11 +55,12 @@ public:
 
   virtual int32_t getInfoHashLength() const = 0;
 
-  virtual string getInfoHashAsString() const = 0;
+  virtual std::string getInfoHashAsString() const = 0;
 
-  virtual AnnounceTiers getAnnounceTiers() const = 0;
+  virtual std::deque<SharedHandle<AnnounceTier> >
+  getAnnounceTiers() const = 0;
 
-  virtual void load(const string& torrentFile) = 0;
+  virtual void load(const std::string& torrentFile) = 0;
 
   /**
    * Returns the peer id of localhost, 20 byte length
@@ -76,10 +72,13 @@ public:
     return _private;
   }
 
-  virtual Integers computeFastSet(const string& ipaddr, int32_t fastSetSize) = 0;
+  virtual std::deque<int32_t>
+  computeFastSet(const std::string& ipaddr, int32_t fastSetSize) = 0;
   
   virtual RequestGroup* getOwnerRequestGroup() = 0;
 
 };
 
+} // namespace aria2
+
 #endif // _D_BT_CONTEXT_H_

src/BtContextAwareCommand.cc

@@ -34,6 +34,14 @@
 /* copyright --> */
 #include "BtContextAwareCommand.h"
 #include "BtRegistry.h"
+#include "BtContext.h"
+#include "BtRuntime.h"
+#include "PieceStorage.h"
+#include "PeerStorage.h"
+#include "BtAnnounce.h"
+#include "BtProgressInfoFile.h"
+
+namespace aria2 {
 
 BtContextAwareCommand::BtContextAwareCommand(const BtContextHandle& btContext):
   btContext(btContext),
@@ -44,3 +52,5 @@ BtContextAwareCommand::BtContextAwareCommand(const BtContextHandle& btContext):
   btProgressInfoFile(BT_PROGRESS_INFO_FILE(btContext)) {}
 
 BtContextAwareCommand::~BtContextAwareCommand() {}
+
+} // namespace aria2

src/BtContextAwareCommand.h

@@ -36,26 +36,32 @@
 #define _D_BT_CONTEXT_AWARE_COMMAND_H_
 
 #include "common.h"
-#include "BtContext.h"
-#include "BtRuntime.h"
-#include "PieceStorage.h"
-#include "PeerStorage.h"
-#include "BtAnnounce.h"
-#include "BtProgressInfoFile.h"
+#include "SharedHandle.h"
+
+namespace aria2 {
+
+class BtContext;
+class BtRuntime;
+class PieceStorage;
+class PeerStorage;
+class BtAnnounce;
+class BtProgressInfoFile;
 
 class BtContextAwareCommand
 {
 protected:
-  BtContextHandle btContext;
-  BtRuntimeHandle btRuntime;
-  PieceStorageHandle pieceStorage;
-  PeerStorageHandle peerStorage;
-  BtAnnounceHandle btAnnounce;
-  BtProgressInfoFileHandle btProgressInfoFile;
+  SharedHandle<BtContext> btContext;
+  SharedHandle<BtRuntime> btRuntime;
+  SharedHandle<PieceStorage> pieceStorage;
+  SharedHandle<PeerStorage> peerStorage;
+  SharedHandle<BtAnnounce> btAnnounce;
+  SharedHandle<BtProgressInfoFile> btProgressInfoFile;
 public:
-  BtContextAwareCommand(const BtContextHandle& btContext);
+  BtContextAwareCommand(const SharedHandle<BtContext>& btContext);
 
   virtual ~BtContextAwareCommand();
 };
 
+} // namespace aria2
+
 #endif // _D_BT_CONTEXT_AWARE_COMMAND_H_

src/BtContextDecl.h

@@ -37,7 +37,11 @@
 
 #include "SharedHandle.h"
 
+namespace aria2 {
+
 class BtContext;
 typedef SharedHandle<BtContext> BtContextHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_CONTEXT_DECL_H_

src/BtDependency.cc

@@ -36,6 +36,7 @@
 #include "RequestGroup.h"
 #include "Option.h"
 #include "LogFactory.h"
+#include "Logger.h"
 #include "DefaultBtContext.h"
 #include "RecoverableException.h"
 #include "message.h"
@@ -43,6 +44,9 @@
 #include "Util.h"
 #include "PieceStorage.h"
 #include "DiskAdaptor.h"
+#include "File.h"
+
+namespace aria2 {
 
 BtDependency::BtDependency(const RequestGroupWeakHandle& dependant,
 			   const RequestGroupHandle& dependee,
@@ -64,7 +68,7 @@ bool BtDependency::resolve()
     try {
       DiskAdaptorHandle diskAdaptor = dependee->getPieceStorage()->getDiskAdaptor();
       diskAdaptor->openExistingFile();
-      string content = Util::toString(diskAdaptor);
+      std::string content = Util::toString(diskAdaptor);
       btContext->loadFromMemory(content.c_str(), content.size(),
 				File(dependee->getFilePath()).getBasename());
       if(_option->defined(PREF_PEER_ID_PREFIX)) {
@@ -93,3 +97,5 @@ bool BtDependency::resolve()
     return false;
   }
 }
+
+} // namespace aria2

src/BtDependency.h

@@ -37,22 +37,22 @@
 
 #include "Dependency.h"
 
+namespace aria2 {
+
 class RequestGroup;
-typedef WeakHandle<RequestGroup> RequestGroupWeakHandle;
-typedef SharedHandle<RequestGroup> RequestGroupHandle;
 class Option;
 class Logger;
 
 class BtDependency : public Dependency
 {
 private:
-  RequestGroupWeakHandle _dependant;
-  RequestGroupHandle _dependee;
+  WeakHandle<RequestGroup> _dependant;
+  SharedHandle<RequestGroup> _dependee;
   const Option* _option;
   const Logger* _logger;
 public:
-  BtDependency(const RequestGroupWeakHandle& dependant,
-	       const RequestGroupHandle& dependee,
+  BtDependency(const WeakHandle<RequestGroup>& dependant,
+	       const SharedHandle<RequestGroup>& dependee,
 	       const Option* option);
 
   virtual ~BtDependency();
@@ -62,4 +62,6 @@ public:
 
 typedef SharedHandle<BtDependency> BtDependencyHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_DEPENDENCY_H_

src/BtEvent.h

@@ -36,7 +36,9 @@
 #define _D_BT_EVENT_H_
 
 #include "common.h"
+#include "SharedHandle.h"
 
+namespace aria2 {
 class BtEvent {
 public:
   virtual ~BtEvent() {}
@@ -44,4 +46,6 @@ public:
 
 typedef SharedHandle<BtEvent> BtEventHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_EVENT_H_

src/BtEventListener.h

@@ -36,16 +36,23 @@
 #define _D_BT_EVENT_LISTENER_H_
 
 #include "common.h"
-#include "BtEvent.h"
+#include "SharedHandle.h"
+#include <deque>
+
+namespace aria2 {
+
+class BtEvent;
 
 class BtEventListener {
 public:
   virtual ~BtEventListener() {}
 
-  virtual void handleEvent(const BtEventHandle& event) = 0;
+  virtual void handleEvent(const SharedHandle<BtEvent>& event) = 0;
 };
 
 typedef SharedHandle<BtEventListener> BtEventListenerHandle;
-typedef deque<BtEventListenerHandle> BtEventListeners;
+typedef std::deque<BtEventListenerHandle> BtEventListeners;
+
+} // namespace aria2
 
 #endif // _D_BT_EVENT_LISTENER_H_

src/BtExtendedMessage.cc

@@ -34,11 +34,24 @@
 /* copyright --> */
 #include "BtExtendedMessage.h"
 #include "BtRegistry.h"
+#include "PeerObject.h"
+#include "BtMessageFactory.h"
+#include "BtMessageReceiver.h"
+#include "BtMessageDispatcher.h"
+#include "BtRequestFactory.h"
+#include "PeerConnection.h"
 #include "ExtensionMessage.h"
+#include "ExtensionMessageFactory.h"
 #include "PeerMessageUtil.h"
+#include "Peer.h"
+#include "BtContext.h"
 #include "DlAbortEx.h"
 #include "message.h"
 #include "Util.h"
+#include <cassert>
+#include <cstring>
+
+namespace aria2 {
 
 BtExtendedMessage::BtExtendedMessage(const ExtensionMessageHandle& extensionMessage):_extensionMessage(extensionMessage), _msg(0), _msgLength(0)
 {}
@@ -57,7 +70,7 @@ const unsigned char* BtExtendedMessage::getMessage() {
      * extpayload --- extpayload, nbytes
      * total: 6+extpayload.length bytes
      */
-    string payload = _extensionMessage->getBencodedData();
+    std::string payload = _extensionMessage->getBencodedData();
     _msgLength = 6+payload.size();
     _msg = new unsigned char[_msgLength];
     PeerMessageUtil::createPeerMessageString(_msg, _msgLength, 2+payload.size(), ID);
@@ -77,7 +90,7 @@ bool BtExtendedMessage::sendPredicate() const
   return peer->isExtendedMessagingEnabled();
 }
 
-string BtExtendedMessage::toString() const {
+std::string BtExtendedMessage::toString() const {
   return "extended "+_extensionMessage->toString();
 }
 
@@ -113,3 +126,5 @@ ExtensionMessageHandle BtExtendedMessage::getExtensionMessage() const
 {
   return _extensionMessage;
 }
+
+} // namespace aria2

src/BtExtendedMessage.h

@@ -36,28 +36,30 @@
 #define _D_BT_EXTENDED_MESSAGE_H_
 #include "SimpleBtMessage.h"
 
+namespace aria2 {
+
+class ExtensionMessage;
+
 class BtExtendedMessage;
 typedef SharedHandle<BtExtendedMessage> BtExtendedMessageHandle;
-class ExtensionMessage;
-typedef SharedHandle<ExtensionMessage> ExtensionMessageHandle;
 
 class BtExtendedMessage:public SimpleBtMessage
 {
 private:
-  ExtensionMessageHandle _extensionMessage;
+  SharedHandle<ExtensionMessage> _extensionMessage;
 
   unsigned char* _msg;
 
   size_t _msgLength;
 public:
-  BtExtendedMessage(const ExtensionMessageHandle& extensionMessage = 0);
+  BtExtendedMessage(const SharedHandle<ExtensionMessage>& extensionMessage = 0);
 
   virtual ~BtExtendedMessage();
 
   static const uint8_t ID = 20;
 
-  static BtExtendedMessageHandle create(const BtContextHandle& btContext,
-					const PeerHandle& peer,
+  static BtExtendedMessageHandle create(const SharedHandle<BtContext>& btContext,
+					const SharedHandle<Peer>& peer,
 					const char* data,
 					size_t dataLength);
 
@@ -71,9 +73,11 @@ public:
 
   virtual bool sendPredicate() const;
 
-  virtual string toString() const;
+  virtual std::string toString() const;
 
-  ExtensionMessageHandle getExtensionMessage() const;
+  SharedHandle<ExtensionMessage> getExtensionMessage() const;
 };
 
+} // namespace aria2
+
 #endif // _D_BT_EXTENDED_MESSAGE_H_

src/BtFileAllocationEntry.cc

@@ -38,6 +38,8 @@
 #include "Command.h"
 #include "DownloadEngine.h"
 
+namespace aria2 {
+
 BtFileAllocationEntry::BtFileAllocationEntry(RequestGroup* requestGroup):
   FileAllocationEntry(requestGroup, 0) {}
 
@@ -52,3 +54,5 @@ Commands BtFileAllocationEntry::prepareForNextAction(DownloadEngine* e)
   }
   return commands;
 }
+
+} // namespace aria2

src/BtFileAllocationEntry.h

@@ -37,10 +37,7 @@
 
 #include "FileAllocationEntry.h"
 
-class RequestGroup;
-class DownloadEngine;
-class Command;
-typedef deque<Command*> Commands;
+namespace aria2 {
 
 class BtFileAllocationEntry : public FileAllocationEntry {
 public:
@@ -48,9 +45,11 @@ public:
 
   virtual ~BtFileAllocationEntry();
 
-  virtual Commands prepareForNextAction(DownloadEngine* e);
+  virtual std::deque<Command*> prepareForNextAction(DownloadEngine* e);
 };
 
 typedef SharedHandle<BtFileAllocationEntry> BtFileAllocationEntryHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_FILE_ALLOCATION_ENTRY_H_

src/BtHandshakeMessage.cc

@@ -35,6 +35,10 @@
 #include "BtHandshakeMessage.h"
 #include "PeerMessageUtil.h"
 #include "Util.h"
+#include "BtConstants.h"
+#include <cstring>
+
+namespace aria2 {
 
 const unsigned char* BtHandshakeMessage::BT_PSTR = (const unsigned char*)"BitTorrent protocol";
 
@@ -65,8 +69,10 @@ void BtHandshakeMessage::init() {
   this->reserved[5] |= 0x10;
 }
 
-BtHandshakeMessageHandle BtHandshakeMessage::create(const unsigned char* data, int32_t dataLength) {
-  BtHandshakeMessageHandle message = new BtHandshakeMessage();
+SharedHandle<BtHandshakeMessage>
+BtHandshakeMessage::create(const unsigned char* data, int32_t dataLength)
+{
+  SharedHandle<BtHandshakeMessage> message = new BtHandshakeMessage();
   message->pstrlen = data[0];
   memcpy(message->pstr, &data[1], PSTR_LENGTH);
   memcpy(message->reserved, &data[20], RESERVED_LENGTH);
@@ -91,7 +97,7 @@ int32_t BtHandshakeMessage::getMessageLength() {
   return MESSAGE_LENGTH;
 }
 
-string BtHandshakeMessage::toString() const {
+std::string BtHandshakeMessage::toString() const {
   return "handshake peerId="+
     Util::urlencode(peerId, PEER_ID_LENGTH)+
     ", reserved="+Util::toHex(reserved, RESERVED_LENGTH);
@@ -111,3 +117,14 @@ bool BtHandshakeMessage::isDHTEnabled() const
   return reserved[7]&0x01;
 }
 
+void BtHandshakeMessage::setInfoHash(const unsigned char* infoHash)
+{
+  memcpy(this->infoHash, infoHash, INFO_HASH_LENGTH);
+}
+
+void BtHandshakeMessage::setPeerId(const unsigned char* peerId)
+{
+  memcpy(this->peerId, peerId, PEER_ID_LENGTH);
+}
+
+} // namespace aria2

src/BtHandshakeMessage.h

@@ -37,9 +37,7 @@
 
 #include "SimpleBtMessage.h"
 
-class BtHandshakeMessage;
-
-typedef SharedHandle<BtHandshakeMessage> BtHandshakeMessageHandle;
+namespace aria2 {
 
 class BtHandshakeMessage : public SimpleBtMessage {
 public:
@@ -63,7 +61,8 @@ public:
    */
   BtHandshakeMessage(const unsigned char* infoHash, const unsigned char* peerId);
 
-  static BtHandshakeMessageHandle create(const unsigned char* data, int32_t dataLength);
+  static SharedHandle<BtHandshakeMessage>
+  create(const unsigned char* data, int32_t dataLength);
 
   virtual ~BtHandshakeMessage() {
     delete [] msg;
@@ -83,7 +82,7 @@ public:
 
   virtual int32_t getMessageLength();
 
-  virtual string toString() const;
+  virtual std::string toString() const;
 
   bool isFastExtensionSupported() const;
 
@@ -116,17 +115,15 @@ public:
     return infoHash;
   }
 
-  void setInfoHash(const unsigned char* infoHash) {
-    memcpy(this->infoHash, infoHash, INFO_HASH_LENGTH);
-  }
+  void setInfoHash(const unsigned char* infoHash);
 
   const unsigned char* getPeerId() const {
     return peerId;
   }
 
-  void setPeerId(const unsigned char* peerId) {
-    memcpy(this->peerId, peerId, PEER_ID_LENGTH);
-  }
+  void setPeerId(const unsigned char* peerId);
 };
 
+} // namespace aria2
+
 #endif // _D_HANDSHAKE_MESSAGE_H_

src/BtHandshakeMessageValidator.h

@@ -38,6 +38,10 @@
 #include "BtMessageValidator.h"
 #include "BtHandshakeMessage.h"
 #include "Util.h"
+#include "PeerMessageUtil.h"
+#include <cstring>
+
+namespace aria2 {
 
 class BtHandshakeMessageValidator : public BtMessageValidator {
 private:
@@ -72,4 +76,6 @@ public:
 
 typedef SharedHandle<BtHandshakeMessageValidator> BtHandshakeMessageValidatorHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_HANDSHAKE_MESSAGE_VALIDATOR_H_

src/BtHaveAllMessage.cc

@@ -36,6 +36,9 @@
 #include "DlAbortEx.h"
 #include "PeerMessageUtil.h"
 #include "message.h"
+#include "Peer.h"
+
+namespace aria2 {
 
 BtHaveAllMessageHandle BtHaveAllMessage::create(const unsigned char* data, int32_t dataLength) {
   if(dataLength != 1) {
@@ -76,6 +79,8 @@ int32_t BtHaveAllMessage::getMessageLength() {
   return MESSAGE_LENGTH;
 }
 
-string BtHaveAllMessage::toString() const {
+std::string BtHaveAllMessage::toString() const {
   return "have all";
 }
+
+} // namespace aria2

src/BtHaveAllMessage.h

@@ -37,6 +37,8 @@
 
 #include "SimpleBtMessage.h"
 
+namespace aria2 {
+
 class BtHaveAllMessage;
 
 typedef SharedHandle<BtHaveAllMessage> BtHaveAllMessageHandle;
@@ -65,7 +67,9 @@ public:
 
   virtual int32_t getMessageLength();
 
-  virtual string toString() const;
+  virtual std::string toString() const;
 };
 
+} // namespace aria2
+
 #endif // _D_BT_HAVE_ALL_MESSAGE_H_

src/BtHaveMessage.cc

@@ -37,6 +37,9 @@
 #include "Util.h"
 #include "DlAbortEx.h"
 #include "message.h"
+#include "Peer.h"
+
+namespace aria2 {
 
 BtHaveMessageHandle BtHaveMessage::create(const unsigned char* data, int32_t dataLength) {
   if(dataLength != 5) {
@@ -76,6 +79,8 @@ int32_t BtHaveMessage::getMessageLength() {
   return MESSAGE_LENGTH;
 }
 
-string BtHaveMessage::toString() const {
+std::string BtHaveMessage::toString() const {
   return "have index="+Util::itos(index);
 }
+
+} // namespace aria2

src/BtHaveMessage.h

@@ -37,6 +37,8 @@
 
 #include "SimpleBtMessage.h"
 
+namespace aria2 {
+
 class BtHaveMessage;
 
 typedef SharedHandle<BtHaveMessage> BtHaveMessageHandle;
@@ -71,7 +73,9 @@ public:
 
   virtual int32_t getMessageLength();
 
-  virtual string toString() const;
+  virtual std::string toString() const;
 };
 
+} // namespace aria2
+
 #endif // _D_BT_HAVE_MESSAGE_H_

src/BtHaveMessageValidator.h

@@ -39,6 +39,8 @@
 #include "BtHaveMessage.h"
 #include "PeerMessageUtil.h"
 
+namespace aria2 {
+
 class BtHaveMessageValidator : public BtMessageValidator {
 private:
   const BtHaveMessage* message;
@@ -57,4 +59,6 @@ public:
 
 };
 
+} // namespace aria2
+
 #endif // _D_BT_HAVE_MESSAGE_VALIDATOR_H_

src/BtHaveNoneMessage.cc

@@ -36,6 +36,9 @@
 #include "DlAbortEx.h"
 #include "PeerMessageUtil.h"
 #include "message.h"
+#include "Peer.h"
+
+namespace aria2 {
 
 BtHaveNoneMessageHandle BtHaveNoneMessage::create(const unsigned char* data, int32_t dataLength) {
   if(dataLength != 1) {
@@ -75,6 +78,8 @@ int32_t BtHaveNoneMessage::getMessageLength() {
   return MESSAGE_LENGTH;
 }
 
-string BtHaveNoneMessage::toString() const {
+std::string BtHaveNoneMessage::toString() const {
   return "have none";
 }
+
+} // namespace aria2

src/BtHaveNoneMessage.h

@@ -37,6 +37,8 @@
 
 #include "SimpleBtMessage.h"
 
+namespace aria2 {
+
 class BtHaveNoneMessage;
 
 typedef SharedHandle<BtHaveNoneMessage> BtHaveNoneMessageHandle;
@@ -65,7 +67,9 @@ public:
 
   virtual int32_t getMessageLength();
 
-  virtual string toString() const;
+  virtual std::string toString() const;
 };
 
+} // namespace aria2
+
 #endif // _D_BT_HAVE_NONE_MESSAGE_H_

src/BtInteractive.h

@@ -36,7 +36,11 @@
 #define _D_BT_INTERACTIVE_H_
 
 #include "common.h"
-#include "BtMessage.h"
+#include "SharedHandle.h"
+
+namespace aria2 {
+
+class BtMessage;
 
 class BtInteractive {
 public:
@@ -44,9 +48,9 @@ public:
 
   virtual void initiateHandshake() = 0;
 
-  virtual BtMessageHandle receiveHandshake(bool quickReply = false) = 0;
+  virtual SharedHandle<BtMessage> receiveHandshake(bool quickReply = false) = 0;
 
-  virtual BtMessageHandle receiveAndSendHandshake() = 0;
+  virtual SharedHandle<BtMessage> receiveAndSendHandshake() = 0;
 
   virtual void doPostHandshakeProcessing() = 0;
 
@@ -63,4 +67,6 @@ public:
 
 typedef SharedHandle<BtInteractive> BtInteractiveHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_INTERACTIVE_H_

src/BtInterestedMessage.cc

@@ -36,6 +36,9 @@
 #include "PeerMessageUtil.h"
 #include "DlAbortEx.h"
 #include "message.h"
+#include "Peer.h"
+
+namespace aria2 {
 
 BtInterestedMessageHandle BtInterestedMessage::create(const unsigned char* data, int32_t dataLength) {
   if(dataLength != 1) {
@@ -80,6 +83,8 @@ void BtInterestedMessage::onSendComplete() {
   peer->amInterested = true;
 }
 
-string BtInterestedMessage::toString() const {
+std::string BtInterestedMessage::toString() const {
   return "interested";
 }
+
+} // namespace aria2

src/BtInterestedMessage.h

@@ -37,6 +37,8 @@
 
 #include "SimpleBtMessage.h"
 
+namespace aria2 {
+
 class BtInterestedMessage;
 
 typedef SharedHandle<BtInterestedMessage> BtInterestedMessageHandle;
@@ -65,11 +67,13 @@ public:
 
   virtual int32_t getMessageLength();
 
-  virtual string toString() const;
+  virtual std::string toString() const;
 
   virtual bool sendPredicate() const;
 
   virtual void onSendComplete();
 };
 
+} // namespace aria2
+
 #endif // _D_BT_INTERESTED_MESSAGE_H_

src/BtKeepAliveMessage.cc

@@ -34,6 +34,8 @@
 /* copyright --> */
 #include "BtKeepAliveMessage.h"
 
+namespace aria2 {
+
 int32_t BtKeepAliveMessage::MESSAGE_LENGTH = 4;
 
 const unsigned char* BtKeepAliveMessage::getMessage() {
@@ -51,3 +53,5 @@ const unsigned char* BtKeepAliveMessage::getMessage() {
 int32_t BtKeepAliveMessage::getMessageLength() {
   return MESSAGE_LENGTH;
 }
+
+} // namespace aria2

src/BtKeepAliveMessage.h

@@ -37,6 +37,8 @@
 
 #include "SimpleBtMessage.h"
 
+namespace aria2 {
+
 class BtKeepAliveMessage;
 
 typedef SharedHandle<BtKeepAliveMessage> BtKeepAliveMessageHandle;
@@ -63,9 +65,11 @@ public:
 
   virtual int32_t getMessageLength();
 
-  virtual string toString() const {
+  virtual std::string toString() const {
     return "keep alive";
   }
 };
 
+} // namespace aria2
+
 #endif // _D_BT_KEEP_ALIVE_MESSAGE_H_

src/BtMessage.h

@@ -36,9 +36,13 @@
 #define _D_BT_MESSAGE_H_
 
 #include "common.h"
-#include "Piece.h"
-#include "BtMessageValidator.h"
-#include "BtEvent.h"
+#include "SharedHandle.h"
+#include <string>
+#include <deque>
+
+namespace aria2 {
+
+class BtEvent;
 
 class BtMessage {
 public:
@@ -56,17 +60,19 @@ public:
 
   virtual void send() = 0;
 
-  virtual bool validate(Errors& errors) = 0;
+  virtual bool validate(std::deque<std::string>& errors) = 0;
 
-  virtual void handleEvent(const BtEventHandle& event) = 0;
+  virtual void handleEvent(const SharedHandle<BtEvent>& event) = 0;
 
   virtual void onQueued() = 0;
 
-  virtual string toString() const = 0;
+  virtual std::string toString() const = 0;
 
 };
 
 typedef SharedHandle<BtMessage> BtMessageHandle;
-typedef deque<BtMessageHandle> BtMessages;
+typedef std::deque<BtMessageHandle> BtMessages;
+
+} // namespace aria2
 
 #endif // _D_BT_MESSAGE_H_

src/BtMessageDispatcher.h

@@ -36,25 +36,31 @@
 #define _D_BT_MESSAGE_DISPATCHER_H_
 
 #include "common.h"
-#include "Piece.h"
-#include "BtMessage.h"
+#include "SharedHandle.h"
 #include "RequestSlot.h"
+#include <deque>
+
+namespace aria2 {
+
+class Piece;
+class BtMessage;
 
 class BtMessageDispatcher {
 public:
   virtual ~BtMessageDispatcher() {}
 
-  virtual void addMessageToQueue(const BtMessageHandle& btMessage) = 0;
+  virtual void addMessageToQueue(const SharedHandle<BtMessage>& btMessage) = 0;
 
-  virtual void addMessageToQueue(const BtMessages& btMessages) = 0;
+  virtual void
+  addMessageToQueue(const std::deque<SharedHandle<BtMessage> >& btMessages) = 0;
 
   virtual void sendMessages() = 0;
 
   virtual void doCancelSendingPieceAction(int32_t index, int32_t begin, int32_t length) = 0;
 
-  virtual void doCancelSendingPieceAction(const PieceHandle& piece) = 0;
+  virtual void doCancelSendingPieceAction(const SharedHandle<Piece>& piece) = 0;
 
-  virtual void doAbortOutstandingRequestAction(const PieceHandle& piece) = 0;
+  virtual void doAbortOutstandingRequestAction(const SharedHandle<Piece>& piece) = 0;
 
   virtual void doChokedAction() = 0;
 
@@ -79,4 +85,7 @@ public:
 
 typedef SharedHandle<BtMessageDispatcher> BtMessageDispatcherHandle;
 typedef WeakHandle<BtMessageDispatcher> BtMessageDispatcherWeakHandle;
+
+} // namespace aria2
+
 #endif // _D_BT_MESSAGE_DISPATCHER_H_

src/BtMessageFactory.h

@@ -36,63 +36,69 @@
 #define _D_BT_MESSAGE_FACTORY_H_
 
 #include "common.h"
-#include "BtMessage.h"
-#include "Piece.h"
+#include "SharedHandle.h"
 
+namespace aria2 {
+
+class BtMessage;
+class Piece;
 class ExtensionMessage;
-typedef SharedHandle<ExtensionMessage> ExensionMessageHandle;
 
 class BtMessageFactory {
 public:
   virtual ~BtMessageFactory() {}
 
-  virtual BtMessageHandle
+  virtual SharedHandle<BtMessage>
   createBtMessage(const unsigned char* msg, int32_t msgLength) = 0;
 
-  virtual BtMessageHandle
+  virtual SharedHandle<BtMessage>
   createHandshakeMessage(const unsigned char* msg, int32_t msgLength) = 0;
 
-  virtual BtMessageHandle
+  virtual SharedHandle<BtMessage>
   createHandshakeMessage(const unsigned char* infoHash,
 			 const unsigned char* peerId) = 0;
 
-  virtual BtMessageHandle
-  createRequestMessage(const PieceHandle& piece, int32_t blockIndex) = 0;
+  virtual SharedHandle<BtMessage>
+  createRequestMessage(const SharedHandle<Piece>& piece, int32_t blockIndex) = 0;
 
-  virtual BtMessageHandle
+  virtual SharedHandle<BtMessage>
   createCancelMessage(int32_t index, int32_t begin, int32_t length) = 0;
 
-  virtual BtMessageHandle
+  virtual SharedHandle<BtMessage>
   createPieceMessage(int32_t index, int32_t begin, int32_t length) = 0;
 
-  virtual BtMessageHandle createHaveMessage(int32_t index) = 0;
+  virtual SharedHandle<BtMessage> createHaveMessage(int32_t index) = 0;
 
-  virtual BtMessageHandle createChokeMessage() = 0;
+  virtual SharedHandle<BtMessage> createChokeMessage() = 0;
 
-  virtual BtMessageHandle createUnchokeMessage() = 0;
+  virtual SharedHandle<BtMessage> createUnchokeMessage() = 0;
   
-  virtual BtMessageHandle createInterestedMessage() = 0;
+  virtual SharedHandle<BtMessage> createInterestedMessage() = 0;
 
-  virtual BtMessageHandle createNotInterestedMessage() = 0;
+  virtual SharedHandle<BtMessage> createNotInterestedMessage() = 0;
 
-  virtual BtMessageHandle createBitfieldMessage() = 0;
+  virtual SharedHandle<BtMessage> createBitfieldMessage() = 0;
 
-  virtual BtMessageHandle createKeepAliveMessage() = 0;
+  virtual SharedHandle<BtMessage> createKeepAliveMessage() = 0;
   
-  virtual BtMessageHandle createHaveAllMessage() = 0;
+  virtual SharedHandle<BtMessage> createHaveAllMessage() = 0;
 
-  virtual BtMessageHandle createHaveNoneMessage() = 0;
+  virtual SharedHandle<BtMessage> createHaveNoneMessage() = 0;
 
-  virtual BtMessageHandle
+  virtual SharedHandle<BtMessage>
   createRejectMessage(int32_t index, int32_t begin, int32_t length) = 0;
 
-  virtual BtMessageHandle createAllowedFastMessage(int32_t index) = 0;
+  virtual SharedHandle<BtMessage> createAllowedFastMessage(int32_t index) = 0;
 
-  virtual BtMessageHandle createPortMessage(uint16_t port) = 0;
+  virtual SharedHandle<BtMessage> createPortMessage(uint16_t port) = 0;
 
-  virtual BtMessageHandle createBtExtendedMessage(const ExensionMessageHandle& msg) = 0;
+  virtual SharedHandle<BtMessage>
+  createBtExtendedMessage(const SharedHandle<ExtensionMessage>& msg) = 0;
 };
 
 typedef SharedHandle<BtMessageFactory> BtMessageFactoryHandle;
 typedef WeakHandle<BtMessageFactory> BtMessageFactoryWeakHandle;
+
+} // namespace aria2
+
 #endif // _D_BT_MESSAGE_FACTORY_H_

src/BtMessageReceiver.h

@@ -36,20 +36,26 @@
 #define _D_BT_MESSAGE_RECEIVER_H_
 
 #include "common.h"
-#include "BtMessage.h"
+#include "SharedHandle.h"
+
+namespace aria2 {
+
+class BtMessage;
 
 class BtMessageReceiver {
 public:
   virtual ~BtMessageReceiver() {}
 
-  virtual BtMessageHandle receiveHandshake(bool quickReply = false) = 0;
+  virtual SharedHandle<BtMessage> receiveHandshake(bool quickReply = false) = 0;
 
-  virtual BtMessageHandle receiveAndSendHandshake() = 0;
+  virtual SharedHandle<BtMessage> receiveAndSendHandshake() = 0;
 
-  virtual BtMessageHandle receiveMessage() = 0;
+  virtual SharedHandle<BtMessage> receiveMessage() = 0;
 };
 
 typedef SharedHandle<BtMessageReceiver> BtMessageReceiverHandle;
 typedef WeakHandle<BtMessageReceiver> BtMessageReceiverWeakHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_MESSAGE_RECEIVER_H_

src/BtMessageValidator.h

@@ -36,9 +36,13 @@
 #define _D_BT_MESSAGE_VALIDATOR_H_
 
 #include "common.h"
-#include "BtMessage.h"
+#include "SharedHandle.h"
+#include <string>
+#include <deque>
 
-typedef Strings Errors;
+namespace aria2 {
+
+typedef std::deque<std::string> Errors;
 
 class BtMessageValidator {
 public:
@@ -49,4 +53,6 @@ public:
 
 typedef SharedHandle<BtMessageValidator> BtMessageValidatorHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_MESSAGE_VALIDATOR_H_

src/BtNotInterestedMessage.cc

@@ -36,6 +36,9 @@
 #include "PeerMessageUtil.h"
 #include "DlAbortEx.h"
 #include "message.h"
+#include "Peer.h"
+
+namespace aria2 {
 
 BtNotInterestedMessageHandle BtNotInterestedMessage::create(const unsigned char* data, int32_t dataLength) {
   if(dataLength != 1) {
@@ -80,6 +83,8 @@ void BtNotInterestedMessage::onSendComplete() {
   peer->amInterested = false;
 }
 
-string BtNotInterestedMessage::toString() const {
+std::string BtNotInterestedMessage::toString() const {
   return "not interested";
 }
+
+} // namespace aria2

src/BtNotInterestedMessage.h

@@ -37,6 +37,8 @@
 
 #include "SimpleBtMessage.h"
 
+namespace aria2 {
+
 class BtNotInterestedMessage;
 
 typedef SharedHandle<BtNotInterestedMessage> BtNotInterestedMessageHandle;
@@ -65,11 +67,13 @@ public:
 
   virtual int32_t getMessageLength();
 
-  virtual string toString() const;
+  virtual std::string toString() const;
 
   virtual bool sendPredicate() const;
 
   virtual void onSendComplete();
 };
 
+} // namespace aria2
+
 #endif // _D_BT_NOT_INTERESTED_MESSAGE_H_

src/BtPieceMessage.cc

@@ -41,6 +41,18 @@
 #include "BtCancelSendingPieceEvent.h"
 #include "MessageDigestHelper.h"
 #include "DiskAdaptor.h"
+#include "Logger.h"
+#include "Peer.h"
+#include "Piece.h"
+#include "BtContext.h"
+#include "PieceStorage.h"
+#include "BtMessageDispatcher.h"
+#include "BtMessageFactory.h"
+#include "BtRequestFactory.h"
+#include "PeerConnection.h"
+#include <cstring>
+
+namespace aria2 {
 
 void BtPieceMessage::setBlock(const unsigned char* block, int32_t blockLength) {
   delete [] this->block;
@@ -184,7 +196,7 @@ int32_t BtPieceMessage::sendPieceData(int64_t offset, int32_t length) const {
   return writtenLength;
 }
 
-string BtPieceMessage::toString() const {
+std::string BtPieceMessage::toString() const {
   return "piece index="+Util::itos(index)+", begin="+Util::itos(begin)+
     ", length="+Util::itos(blockLength);
 }
@@ -282,3 +294,5 @@ void BtPieceMessage::handleCancelSendingPieceEvent(const BtEventHandle& event) {
     invalidate = true;
   } 
 }
+
+} // namespace aria2

src/BtPieceMessage.h

@@ -36,11 +36,12 @@
 #define _D_BT_PIECE_MESSAGE_H_
 
 #include "AbstractBtMessage.h"
-#include "BtContext.h"
-#include "PieceStorage.h"
-#include "BtEvent.h"
 #include "AbstractBtEventListener.h"
 
+namespace aria2 {
+
+class BtEvent;
+class Piece;
 class BtPieceMessage;
 
 typedef SharedHandle<BtPieceMessage> BtPieceMessageHandle;
@@ -57,13 +58,13 @@ private:
 
   static int32_t MESSAGE_HEADER_LENGTH;
 
-  bool checkPieceHash(const PieceHandle& piece);
+  bool checkPieceHash(const SharedHandle<Piece>& piece);
 
-  void onNewPiece(const PieceHandle& piece);
+  void onNewPiece(const SharedHandle<Piece>& piece);
 
-  void onWrongPiece(const PieceHandle& piece);
+  void onWrongPiece(const SharedHandle<Piece>& piece);
 
-  void erasePieceOnDisk(const PieceHandle& piece);
+  void erasePieceOnDisk(const SharedHandle<Piece>& piece);
 
   int32_t sendPieceData(int64_t offset, int32_t length) const;
 
@@ -73,9 +74,9 @@ private:
   public:
     BtChokingEventListener(BtPieceMessage* message):message(message) {}
 
-    virtual bool canHandle(const BtEventHandle& btEvent);
+    virtual bool canHandle(const SharedHandle<BtEvent>& btEvent);
 
-    virtual void handleEventInternal(const BtEventHandle& btEvent);
+    virtual void handleEventInternal(const SharedHandle<BtEvent>& btEvent);
   };
 
   typedef SharedHandle<BtChokingEventListener> BtChokingEventListenerHandle;
@@ -86,9 +87,9 @@ private:
   public:
     BtCancelSendingPieceEventListener(BtPieceMessage* message):message(message) {}
 
-    virtual bool canHandle(const BtEventHandle& btEvent);
+    virtual bool canHandle(const SharedHandle<BtEvent>& btEvent);
 
-    virtual void handleEventInternal(const BtEventHandle& btEvent);
+    virtual void handleEventInternal(const SharedHandle<BtEvent>& btEvent);
   };
 
   typedef SharedHandle<BtCancelSendingPieceEventListener> BtCancelSendingPieceEventListenerHandle;
@@ -142,11 +143,13 @@ public:
 
   virtual void send();
 
-  virtual string toString() const;
+  virtual std::string toString() const;
 
-  void handleChokingEvent(const BtEventHandle& event);
+  void handleChokingEvent(const SharedHandle<BtEvent>& event);
   
-  void handleCancelSendingPieceEvent(const BtEventHandle& event);
+  void handleCancelSendingPieceEvent(const SharedHandle<BtEvent>& event);
 };
 
+} // namespace aria2
+
 #endif // _D_BT_PIECE_MESSAGE_H_

src/BtPieceMessageValidator.h

@@ -37,6 +37,9 @@
 
 #include "BtMessageValidator.h"
 #include "BtPieceMessage.h"
+#include "PeerMessageUtil.h"
+
+namespace aria2 {
 
 class BtPieceMessageValidator : public BtMessageValidator {
 private:
@@ -61,4 +64,6 @@ public:
 
 typedef SharedHandle<BtPieceMessageValidator> BtPieceMessageValidatorHandle;
 
+} // namespace aria2
+
 #endif // _D_BT_PIECE_MESSAGE_VALIDATOR_H_

src/BtPortMessage.cc

@@ -37,11 +37,15 @@
 #include "DlAbortEx.h"
 #include "Util.h"
 #include "message.h"
+#include "Logger.h"
+#include "Peer.h"
 #include "DHTNode.h"
 #include "DHTTaskQueue.h"
 #include "DHTTaskFactory.h"
 #include "DHTTask.h"
 
+namespace aria2 {
+
 BtPortMessage::BtPortMessage(uint16_t port): _port(port), _msg(0) {}
 
 BtPortMessage::~BtPortMessage()
@@ -68,10 +72,10 @@ void BtPortMessage::doReceivedAction()
   if(!_taskFactory.isNull() && !_taskQueue.isNull()) {
     // node id is random at this point. When ping reply received, new DHTNode
     // instance created with proper node ID and is added to a routing table.
-    DHTNodeHandle node = new DHTNode();
+    SharedHandle<DHTNode> node = new DHTNode();
     node->setIPAddress(peer->ipaddr);
     node->setPort(_port);
-    DHTTaskHandle task = _taskFactory->createPingTask(node);
+    SharedHandle<DHTTask> task = _taskFactory->createPingTask(node);
     _taskQueue->addImmediateTask(task);
   } else {
     logger->info("DHT port message received while localhost didn't declare support it.");
@@ -97,7 +101,7 @@ int32_t BtPortMessage::getMessageLength() {
   return MESSAGE_LENGTH;
 }
 
-string BtPortMessage::toString() const {
+std::string BtPortMessage::toString() const {
   return "port port="+Util::uitos(_port);
 }
 
@@ -110,3 +114,5 @@ void BtPortMessage::setTaskFactory(const WeakHandle<DHTTaskFactory>& taskFactory
 {
   _taskFactory = taskFactory;
 }
+
+} // namespace aria2

src/BtPortMessage.h

@@ -36,8 +36,11 @@
 #define _D_BT_PORT_MESSAGE_H_
 
 #include "SimpleBtMessage.h"
-#include "DHTTaskQueueDecl.h"
-#include "DHTTaskFactoryDecl.h"
+
+namespace aria2 {
+
+class DHTTaskQueue;
+class DHTTaskFactory;
 
 class BtPortMessage : public SimpleBtMessage {
 private:
@@ -67,11 +70,13 @@ public:
 
   virtual int32_t getMessageLength();
 
-  virtual string toString() const;
+  virtual std::string toString() const;
 
   void setTaskQueue(const WeakHandle<DHTTaskQueue>& taskQueue);
 
   void setTaskFactory(const WeakHandle<DHTTaskFactory>& taskFactory);
 };
 
+} // namespace aria2
+
 #endif // _D_BT_PORT_MESSAGE_H_

src/BtPostDownloadHandler.cc

@@ -44,6 +44,9 @@
 #include "DiskAdaptor.h"
 #include "Util.h"
 #include "ContentTypeRequestGroupCriteria.h"
+#include "Exception.h"
+
+namespace aria2 {
 
 BtPostDownloadHandler::BtPostDownloadHandler()
 {
@@ -58,9 +61,9 @@ RequestGroups BtPostDownloadHandler::getNextRequestGroups(RequestGroup* requestG
   const Option* op = requestGroup->getOption();
   _logger->debug("Generating RequestGroups for Torrent file %s",
 		 requestGroup->getFilePath().c_str());
-  RequestGroupHandle rg = new RequestGroup(op, Strings());
+  RequestGroupHandle rg = new RequestGroup(op, std::deque<std::string>());
 
-  string content;
+  std::string content;
   try {
     requestGroup->getPieceStorage()->getDiskAdaptor()->openExistingFile();
     content = Util::toString(requestGroup->getPieceStorage()->getDiskAdaptor());
@@ -83,3 +86,5 @@ RequestGroups BtPostDownloadHandler::getNextRequestGroups(RequestGroup* requestG
   groups.push_back(rg);
   return groups;
 }
+
+} // namespace aria2