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_FACTORY_H 36 #define D_BT_MESSAGE_FACTORY_H 37 38 #include "common.h" 39 40 #include <memory> 41 42 namespace aria2 { 43 44 class BtMessage; 45 class BtHandshakeMessage; 46 class BtAllowedFastMessage; 47 class BtBitfieldMessage; 48 class BtCancelMessage; 49 class BtChokeMessage; 50 class BtHaveAllMessage; 51 class BtHaveMessage; 52 class BtHaveNoneMessage; 53 class BtInterestedMessage; 54 class BtKeepAliveMessage; 55 class BtNotInterestedMessage; 56 class BtPieceMessage; 57 class BtPortMessage; 58 class BtRejectMessage; 59 class BtRequestMessage; 60 class BtUnchokeMessage; 61 class BtExtendedMessage; 62 class ExtensionMessage; 63 class Piece; 64 65 class BtMessageFactory { 66 public: 67 virtual ~BtMessageFactory() = default; 68 69 virtual std::unique_ptr<BtMessage> createBtMessage(const unsigned char* msg, 70 size_t msgLength) = 0; 71 72 virtual std::unique_ptr<BtHandshakeMessage> 73 createHandshakeMessage(const unsigned char* msg, size_t msgLength) = 0; 74 75 virtual std::unique_ptr<BtHandshakeMessage> 76 createHandshakeMessage(const unsigned char* infoHash, 77 const unsigned char* peerId) = 0; 78 79 virtual std::unique_ptr<BtRequestMessage> 80 createRequestMessage(const std::shared_ptr<Piece>& piece, 81 size_t blockIndex) = 0; 82 83 virtual std::unique_ptr<BtCancelMessage> 84 createCancelMessage(size_t index, int32_t begin, int32_t length) = 0; 85 86 virtual std::unique_ptr<BtPieceMessage> 87 createPieceMessage(size_t index, int32_t begin, int32_t length) = 0; 88 89 virtual std::unique_ptr<BtHaveMessage> createHaveMessage(size_t index) = 0; 90 91 virtual std::unique_ptr<BtChokeMessage> createChokeMessage() = 0; 92 93 virtual std::unique_ptr<BtUnchokeMessage> createUnchokeMessage() = 0; 94 95 virtual std::unique_ptr<BtInterestedMessage> createInterestedMessage() = 0; 96 97 virtual std::unique_ptr<BtNotInterestedMessage> 98 createNotInterestedMessage() = 0; 99 100 virtual std::unique_ptr<BtBitfieldMessage> createBitfieldMessage() = 0; 101 102 virtual std::unique_ptr<BtKeepAliveMessage> createKeepAliveMessage() = 0; 103 104 virtual std::unique_ptr<BtHaveAllMessage> createHaveAllMessage() = 0; 105 106 virtual std::unique_ptr<BtHaveNoneMessage> createHaveNoneMessage() = 0; 107 108 virtual std::unique_ptr<BtRejectMessage> 109 createRejectMessage(size_t index, int32_t begin, int32_t length) = 0; 110 111 virtual std::unique_ptr<BtAllowedFastMessage> 112 createAllowedFastMessage(size_t index) = 0; 113 114 virtual std::unique_ptr<BtPortMessage> createPortMessage(uint16_t port) = 0; 115 116 virtual std::unique_ptr<BtExtendedMessage> 117 createBtExtendedMessage(std::unique_ptr<ExtensionMessage> msg) = 0; 118 }; 119 120 } // namespace aria2 121 122 #endif // D_BT_MESSAGE_FACTORY_H 123