Support UDP tracker

It shares UDP listening port with IPv4 DHT. At the moment, in order to
enable UDP tracker support, enable IPv4 DHT.

1 files changed, 87 insertions, 0 deletions

diff --git a/src/NameResolveCommand.h b/src/NameResolveCommand.h
new file mode 100644
index 00000000..0d3aa8a8
--- /dev/null
+++ b/src/NameResolveCommand.h
@@ -0,0 +1,87 @@
+/* <!-- copyright */
+/*
+ * aria2 - The high speed download utility
+ *
+ * Copyright (C) 2013 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_NAME_RESOLVE_COMMAND_H
+#define D_NAME_RESOLVE_COMMAND_H
+
+#include "Command.h"
+
+#include <string>
+#include <vector>
+
+#include "SharedHandle.h"
+
+// TODO Make this class generic.
+namespace aria2 {
+
+class DownloadEngine;
+#ifdef ENABLE_ASYNC_DNS
+class AsyncNameResolver;
+#endif // ENABLE_ASYNC_DNS
+class UDPTrackerRequest;
+
+class NameResolveCommand:public Command {
+private:
+  DownloadEngine* e_;
+
+#ifdef ENABLE_ASYNC_DNS
+  SharedHandle<AsyncNameResolver> resolver_;
+#endif // ENABLE_ASYNC_DNS
+
+#ifdef ENABLE_ASYNC_DNS
+  bool resolveHostname(const std::string& hostname,
+                       const SharedHandle<AsyncNameResolver>& resolver);
+
+  void setNameResolverCheck(const SharedHandle<AsyncNameResolver>& resolver);
+
+  void disableNameResolverCheck(const SharedHandle<AsyncNameResolver>& resolver);
+#endif // ENABLE_ASYNC_DNS
+
+  SharedHandle<UDPTrackerRequest> req_;
+  void onShutdown();
+  void onFailure();
+  void onSuccess
+  (const std::vector<std::string>& addrs, DownloadEngine* e);
+public:
+  NameResolveCommand(cuid_t cuid, DownloadEngine* e,
+                     const SharedHandle<UDPTrackerRequest>& req);
+
+  virtual ~NameResolveCommand();
+
+  virtual bool execute();
+};
+
+} // namespace aria2
+
+#endif // D_NAME_RESOVE_COMMAND_H