Updated to final KDE3 ktorrent release (2.2.6)

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/ktorrent@1077377 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 139 insertions, 0 deletions

diff --git a/libktorrent/torrent/udptrackersocket.h b/libktorrent/torrent/udptrackersocket.h
new file mode 100644
index 0000000..1537598
--- /dev/null
+++ b/libktorrent/torrent/udptrackersocket.h
@@ -0,0 +1,139 @@
+/***************************************************************************
+ *   Copyright (C) 2005 by Joris Guisson                                   *
+ *   joris.guisson@gmail.com                                               *
+ *                                                                         *
+ *   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.             *
+ ***************************************************************************/
+#ifndef BTUDPTRACKERSOCKET_H
+#define BTUDPTRACKERSOCKET_H
+
+#include <qobject.h>
+#include <qmap.h>
+#include <qcstring.h>
+#include <util/constants.h>
+
+
+namespace KNetwork
+{
+	class KDatagramSocket;
+	class KSocketAddress;
+}
+
+namespace bt
+{
+	
+
+	enum Action
+	{
+		CONNECT = 0,
+		ANNOUNCE = 1,
+		SCRAPE = 2,
+		ERROR = 3
+	};
+
+
+	
+	/**
+	 * @author Joris Guisson
+	 *
+	 * Class which handles communication with one or more UDP trackers.
+	*/
+	class UDPTrackerSocket : public QObject
+	{
+		Q_OBJECT
+	public:
+		UDPTrackerSocket();
+		virtual ~UDPTrackerSocket();
+
+		/**
+		 * Send a connect message. As a response to this, the connectRecieved
+		 * signal will be emitted, classes recieving this signal should check if
+		 * the transaction_id is the same.
+		 * @param tid The transaction_id 
+		 * @param addr The address to send to
+		 */
+		void sendConnect(Int32 tid,const KNetwork::KSocketAddress & addr);
+
+		/**
+		 * Send an announce message. As a response to this, the announceRecieved
+		 * signal will be emitted, classes recieving this signal should check if
+		 * the transaction_id is the same.
+		 * @param tid The transaction_id
+		 * @param data The data to send (connect input structure, in UDP Tracker specifaction)
+		 * @param addr The address to send to
+		 */
+		void sendAnnounce(Int32 tid,const Uint8* data,const KNetwork::KSocketAddress & addr);
+
+		/**
+		 * If a transaction times out, this should be used to cancel it.
+		 * @param tid 
+		 */
+		void cancelTransaction(Int32 tid);
+
+
+		/**
+		 * Compute a free transaction_id.
+		 * @return A free transaction_id
+		 */
+		Int32 newTransactionID();
+		
+		/**
+		 * Set the port ot use.
+		 * @param p The port
+		 */
+		static void setPort(Uint16 p);
+		
+		/// Get the port in use.
+		static Uint16 getPort();
+	private slots:
+		void dataReceived();
+
+	signals:
+		/**
+		 * Emitted when a connect message is received.
+		 * @param tid The transaction_id
+		 * @param connection_id The connection_id returned
+		 */
+		void connectRecieved(Int32 tid,Int64 connection_id);
+		
+		/**
+		 * Emitted when an announce message is received.
+		 * @param tid The transaction_id
+		 * @param buf The data
+		 */
+		void announceRecieved(Int32 tid,const QByteArray & buf);
+
+		/**
+		 * Signal emitted, when an error occurs during a transaction.
+		 * @param tid The transaction_id
+		 * @param error_string Potential error string
+		 */
+		void error(Int32 tid,const QString & error_string);
+
+	private:
+		void handleConnect(const QByteArray & buf);
+		void handleAnnounce(const QByteArray & buf);
+		void handleError(const QByteArray & buf);
+		
+	private:
+		Uint16 udp_port;
+		KNetwork::KDatagramSocket* sock;
+		QMap<Int32,Action> transactions;
+		static Uint16 port;
+	};
+}
+
+#endif