1 /* <!-- copyright */ 2 /* 3 * aria2 - The high speed download utility 4 * 5 * Copyright (C) 2012 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_CHUNKED_DECODING_STREAM_FILTER_H 36 #define D_CHUNKED_DECODING_STREAM_FILTER_H 37 38 #include "StreamFilter.h" 39 40 namespace aria2 { 41 42 class ChunkedDecodingStreamFilter : public StreamFilter { 43 private: 44 int state_; 45 int64_t chunkSize_; 46 int64_t chunkRemaining_; 47 size_t bytesProcessed_; 48 49 public: 50 ChunkedDecodingStreamFilter(std::unique_ptr<StreamFilter> delegate = nullptr); 51 52 virtual ~ChunkedDecodingStreamFilter(); 53 54 virtual void init() CXX11_OVERRIDE; 55 56 virtual ssize_t transform(const std::shared_ptr<BinaryStream>& out, 57 const std::shared_ptr<Segment>& segment, 58 const unsigned char* inbuf, 59 size_t inlen) CXX11_OVERRIDE; 60 61 virtual bool finished() CXX11_OVERRIDE; 62 63 virtual void release() CXX11_OVERRIDE; 64 65 virtual const std::string& getName() const CXX11_OVERRIDE; 66 getBytesProcessed()67 virtual size_t getBytesProcessed() const CXX11_OVERRIDE 68 { 69 return bytesProcessed_; 70 } 71 72 static const std::string NAME; 73 }; 74 75 } // namespace aria2 76 77 #endif // D_CHUNKED_DECODING_STREAM_FILTER_H 78