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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 BTPEERUPLOADER_H
+#define BTPEERUPLOADER_H
+
+#include <set>
+#include <qvaluelist.h>
+#include "request.h"
+
+
+
+namespace bt
+{
+ class Peer;
+ class ChunkManager;
+
+ const Uint32 ALLOWED_FAST_SIZE = 8;
+
+ /**
+ * @author Joris Guisson
+ * @brief Uploads pieces to a Peer
+ *
+ * This class handles the uploading of pieces to a Peer. It keeps
+ * track of a list of Request objects. All these Requests where sent
+ * by the Peer. It will upload the pieces to the Peer, making sure
+ * that the maximum upload rate isn't surpassed.
+ */
+ class PeerUploader
+ {
+ Peer* peer;
+ QValueList<Request> requests;
+ Uint32 uploaded;
+ public:
+ /**
+ * Constructor. Set the Peer.
+ * @param peer The Peer
+ */
+ PeerUploader(Peer* peer);
+ virtual ~PeerUploader();
+
+ /**
+ * Add a Request to the list of Requests.
+ * @param r The Request
+ */
+ void addRequest(const Request & r);
+
+ /**
+ * Remove a Request from the list of Requests.
+ * @param r The Request
+ */
+ void removeRequest(const Request & r);
+
+ /**
+ * Update the PeerUploader. This will check if there are Request, and
+ * will try to handle them.
+ * @param cman The ChunkManager
+ * @param opt_unchoked ID of optimisticly unchoked peer
+ * @return The number of bytes uploaded
+ */
+ Uint32 update(ChunkManager & cman,Uint32 opt_unchoked);
+
+ /// Get the number of requests
+ Uint32 getNumRequests() const;
+
+
+ void addUploadedBytes(Uint32 bytes) {uploaded += bytes;}
+
+ /**
+ * Clear all pending requests.
+ */
+ void clearAllRequests();
+ };
+
+}
+
+#endif