1 /* <!-- copyright */ 2 /* 3 * aria2 - The high speed download utility 4 * 5 * Copyright (C) 2006 Tatsuhiro Tsujikawa 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 * 21 * In addition, as a special exception, the copyright holders give 22 * permission to link the code of portions of this program with the 23 * OpenSSL library under certain conditions as described in each 24 * individual source file, and distribute linked combinations 25 * including the two. 26 * You must obey the GNU General Public License in all respects 27 * for all of the code used other than OpenSSL. If you modify 28 * file(s) with this exception, you may extend this exception to your 29 * version of the file(s), but you are not obligated to do so. If you 30 * do not wish to do so, delete this exception statement from your 31 * version. If you delete this exception statement from all source 32 * files in the program, then also delete it here. 33 */ 34 /* copyright --> */ 35 #ifndef D_BT_MESSAGE_DISPATCHER_H 36 #define D_BT_MESSAGE_DISPATCHER_H 37 38 #include "common.h" 39 40 #include <vector> 41 #include <memory> 42 43 #include "RequestSlot.h" 44 45 namespace aria2 { 46 47 class Piece; 48 class BtMessage; 49 50 class BtMessageDispatcher { 51 public: 52 virtual ~BtMessageDispatcher() = default; 53 54 virtual void addMessageToQueue(std::unique_ptr<BtMessage> btMessage) = 0; 55 56 virtual void sendMessages() = 0; 57 58 virtual void doCancelSendingPieceAction(size_t index, int32_t begin, 59 int32_t length) = 0; 60 61 virtual void 62 doCancelSendingPieceAction(const std::shared_ptr<Piece>& piece) = 0; 63 64 virtual void 65 doAbortOutstandingRequestAction(const std::shared_ptr<Piece>& piece) = 0; 66 67 virtual void doChokedAction() = 0; 68 69 virtual void doChokingAction() = 0; 70 71 virtual void checkRequestSlotAndDoNecessaryThing() = 0; 72 73 virtual bool isSendingInProgress() = 0; 74 75 virtual size_t countMessageInQueue() = 0; 76 77 virtual size_t countOutstandingRequest() = 0; 78 79 virtual bool isOutstandingRequest(size_t index, size_t blockIndex) = 0; 80 81 virtual const RequestSlot* getOutstandingRequest(size_t index, int32_t begin, 82 int32_t length) = 0; 83 84 virtual void removeOutstandingRequest(const RequestSlot* slot) = 0; 85 86 virtual void addOutstandingRequest(std::unique_ptr<RequestSlot> slot) = 0; 87 88 virtual size_t countOutstandingUpload() = 0; 89 }; 90 91 } // namespace aria2 92 93 #endif // D_BT_MESSAGE_DISPATCHER_H 94