2008-05-08 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>

	Rewritten name resolver. Now async DNS can be disabled by 
--async-dns
	option.
	The asynchronous DNS is not capable of IPv6 yet.
	By disabling asynchronous DNS, aria2 is IPv6 enabled 
application, at
	least for HTTP download.
	* src/AbstractCommand.cc
	* src/AbstractCommand.h
	* src/AsyncNameResolver.cc
	* src/AsyncNameResolver.h
	* src/DHTEntryPointNameResolveCommand.cc
	* src/DHTEntryPointNameResolveCommand.h
	* src/DownloadEngine.cc
	* src/DownloadEngine.h
	* src/FtpInitiateConnectionCommand.cc
	* src/FtpInitiateConnectionCommand.h
	* src/HelpItemFactory.cc
	* src/HttpInitiateConnectionCommand.cc
	* src/HttpInitiateConnectionCommand.h
	* src/InitiateConnectionCommand.cc
	* src/InitiateConnectionCommand.h
	* src/Makefile.am
	* src/Makefile.in
	* src/NameResolver.cc
	* src/NameResolver.h
	* src/OptionHandlerFactory.cc
	* src/SocketCore.cc
	* src/SocketCore.h
	* src/Util.cc
	* src/Util.h
	* src/option_processing.cc
	* src/prefs.h
	* src/usage_text.h

1 files changed, 66 insertions, 0 deletions

diff --git a/src/InitiateConnectionCommand.h b/src/InitiateConnectionCommand.h
new file mode 100644
index 00000000..f173abd4
--- /dev/null
+++ b/src/InitiateConnectionCommand.h
@@ -0,0 +1,66 @@
+/* <!-- 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 --> */
+#ifndef _D_INITIATE_CONNECTION_COMMAND_H_
+#define _D_INITIATE_CONNECTION_COMMAND_H_
+
+#include "AbstractCommand.h"
+
+namespace aria2 {
+
+class InitiateConnectionCommand : public AbstractCommand {
+protected:
+  bool useHTTPProxy() const;
+
+  /**
+   * Connect to the server.
+   * This method just send connection request to the server.
+   * Using nonblocking mode of socket, this funtion returns immediately
+   * after send connection packet to the server.
+   */
+  virtual bool executeInternal();
+
+  virtual Command* createNextCommand
+  (const std::deque<std::string>& resolvedAddresses) = 0;
+public:
+  InitiateConnectionCommand(int cuid, const SharedHandle<Request>& req,
+			    RequestGroup* requestGroup,
+			    DownloadEngine* e);
+
+  virtual ~InitiateConnectionCommand();
+};
+
+} // namespace aria2
+
+#endif // _D_INITIATE_CONNECTION_COMMAND_H_