2009-11-23 Tatsuhiro Tsujikawa <t-tujikawa@users.sourceforge.net>

	Added BitTorrent Magnet Link support. Base32 encoded link is not
	supported yet.  Fixed typo in method name in RequestGroup.  In
	metadataGetMode, don't show "Your share ratio was ..." message.
	* src/DefaultBtInteractive.cc
	* src/DefaultBtInteractive.h
	* src/DownloadHandlerFactory.cc
	* src/DownloadHandlerFactory.h
	* src/HandshakeExtensionMessage.cc
	* src/Makefile.am
	* src/Metalink2RequestGroup.cc
	* src/PeerInteractionCommand.cc
	* src/RequestGroup.cc
	* src/RequestGroup.h
	* src/UTMetadataPostDownloadHandler.cc
	* src/UTMetadataPostDownloadHandler.h
	* src/download_helper.cc
	* test/HandshakeExtensionMessageTest.cc
	* test/Makefile.am
	* test/UTMetadataPostDownloadHandlerTest.cc
	* test/UTMetadataRejectExtensionMessageTest.cc

1 files changed, 109 insertions, 0 deletions

diff --git a/src/UTMetadataPostDownloadHandler.cc b/src/UTMetadataPostDownloadHandler.cc
new file mode 100644
index 00000000..14f8ce6e
--- /dev/null
+++ b/src/UTMetadataPostDownloadHandler.cc
@@ -0,0 +1,109 @@
+/* <!-- copyright */
+/*
+ * aria2 - The high speed download utility
+ *
+ * Copyright (C) 2009 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 "UTMetadataPostDownloadHandler.h"
+#include "BDE.h"
+#include "bittorrent_helper.h"
+#include "RequestGroup.h"
+#include "download_helper.h"
+#include "RecoverableException.h"
+#include "A2STR.h"
+#include "DownloadContext.h"
+#include "Logger.h"
+#include "util.h"
+#include "a2functional.h"
+#include "DiskAdaptor.h"
+#include "PieceStorage.h"
+
+namespace aria2 {
+
+bool UTMetadataPostDownloadHandler::Criteria::match
+(const RequestGroup* requestGroup) const
+{
+  SharedHandle<DownloadContext> dctx =
+    requestGroup->getDownloadContext();
+  if(dctx->hasAttribute(bittorrent::BITTORRENT)) {
+    const BDE& attrs = dctx->getAttribute(bittorrent::BITTORRENT);
+    if(!attrs.containsKey(bittorrent::METADATA)) {
+      return true;
+    }
+  }
+  return false;
+}
+
+UTMetadataPostDownloadHandler::UTMetadataPostDownloadHandler()
+{
+  setCriteria(SharedHandle<Criteria>(new Criteria()));
+}
+
+void UTMetadataPostDownloadHandler::getNextRequestGroups
+(std::deque<SharedHandle<RequestGroup> >& groups, RequestGroup* requestGroup)
+{
+  SharedHandle<DownloadContext> dctx = requestGroup->getDownloadContext();
+  const BDE& attrs = dctx->getAttribute(bittorrent::BITTORRENT);
+  std::string torrent =
+    strconcat("d4:info",
+	      util::toString(requestGroup->getPieceStorage()->getDiskAdaptor()),
+	      "e");
+  try {
+    std::deque<SharedHandle<RequestGroup> > newRgs;
+    createRequestGroupForBitTorrent(newRgs, requestGroup->getOption(),
+				    std::deque<std::string>(), torrent);
+    if(attrs.containsKey(bittorrent::ANNOUNCE_LIST)) {
+      for(std::deque<SharedHandle<RequestGroup> >::const_iterator i =
+	    newRgs.begin(); i != newRgs.end(); ++i) {
+	SharedHandle<DownloadContext> newDctx = (*i)->getDownloadContext();
+	if(!newDctx->hasAttribute(bittorrent::BITTORRENT)) {
+	  continue;
+	}
+	BDE& newAttrs = newDctx->getAttribute(bittorrent::BITTORRENT);
+	if(attrs[bittorrent::INFO_HASH].s() !=
+	   newAttrs[bittorrent::INFO_HASH].s()) {
+	  continue;
+	}
+	if(!newAttrs.containsKey(bittorrent::ANNOUNCE_LIST)) {
+	  newAttrs[bittorrent::ANNOUNCE_LIST] =
+	    attrs[bittorrent::ANNOUNCE_LIST];
+	}
+	break;
+      }
+    }
+
+    groups.insert(groups.end(), newRgs.begin(), newRgs.end());
+  } catch(RecoverableException& e) {
+    _logger->error("Failed to parse BitTorrent metadata.", e);
+  }
+}
+
+} // namespace aria2