1 files changed, 118 insertions, 0 deletions
diff --git a/libktorrent/interfaces/peersource.h b/libktorrent/interfaces/peersource.h
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+++ b/libktorrent/interfaces/peersource.h
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+/***************************************************************************
+ *   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 KTPEERSOURCE_H
+#define KTPEERSOURCE_H
+
+#include <qobject.h>
+#include <qvaluelist.h>
+#include <util/constants.h>
+		
+namespace bt
+{
+	class WaitJob;
+}
+
+namespace kt
+{
+	struct PotentialPeer
+	{
+		QString ip;
+		bt::Uint16 port;
+		bool local;
+		
+		PotentialPeer() : port(0),local(false) {}
+	};
+
+	/**
+	 * @author Joris Guisson <joris.guisson@gmail.com>
+	 * 
+	 * This class is the base class for all classes who which to provide potential peers
+	 * for torrents. PeerSources should work independently and should emit a signal when they
+	 * have peers ready.
+	*/
+	class PeerSource : public QObject
+	{
+		Q_OBJECT
+	public:
+		PeerSource();
+		virtual ~PeerSource();
+
+
+		
+		/**
+		 * Take the first PotentialPeer from the list. The item
+		 * is removed from the list.
+		 * @param pp PotentialPeer struct to fill
+		 * @return true If there was one available, false if not
+		 */
+		bool takePotentialPeer(PotentialPeer & pp);
+		
+		/**
+		 * Add a peer to the list of peers.
+		 * @param ip The ip
+		 * @param port The port
+		 * @param local Wether or not the peer is on the local network
+		 */
+		void addPeer(const QString & ip,bt::Uint16 port,bool local = false);
+		
+	public slots:
+		/**
+		 * Start gathering peers.
+		 */
+		virtual void start() = 0;
+		
+		/**
+		 * Stop gathering peers.
+		 */
+		virtual void stop(bt::WaitJob* wjob = 0) = 0;
+		
+		/**
+		 * The torrent has finished downloading.
+		 * This is optional and should be used by HTTP and UDP tracker sources
+		 * to notify the tracker.
+		 */
+		virtual void completed();
+		
+		/**
+		 * PeerSources wanting to implement a manual update, should implement this. 
+		 */
+		virtual void manualUpdate();
+		
+		/**
+		 * The source is about to be destroyed. Subclasses can override this
+		 * to clean up some things.
+		 */
+		virtual void aboutToBeDestroyed();
+	signals:
+		/**
+		 * This signal should be emitted when a new batch of peers is ready.
+		 * @param ps The PeerSource
+		 */
+		void peersReady(kt::PeerSource* ps);
+		
+	
+	private:
+		/// List to keep the potential peers in.
+		QValueList<PotentialPeer> peers;	
+	};
+
+}
+
+#endif