projects / thirdparty / squid.git / blame
| Commit | Line | Data |
|---|---|---|
| 774c051c | 1 | /* |
| 262a0e14 | 2 | * $Id$ |
| 26ac0430 | 3 | * |
| 774c051c | 4 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
| 5 | * ---------------------------------------------------------- | |
| 6 | * | |
| 7 | * Squid is the result of efforts by numerous individuals from | |
| 8 | * the Internet community; see the CONTRIBUTORS file for full | |
| 9 | * details. Many organizations have provided support for Squid's | |
| 10 | * development; see the SPONSORS file for full details. Squid is | |
| 11 | * Copyrighted (C) 2001 by the Regents of the University of | |
| 12 | * California; see the COPYRIGHT file for full details. Squid | |
| 13 | * incorporates software developed and/or copyrighted by other | |
| 14 | * sources; see the CREDITS file for full details. | |
| 15 | * | |
| 16 | * This program is free software; you can redistribute it and/or modify | |
| 17 | * it under the terms of the GNU General Public License as published by | |
| 18 | * the Free Software Foundation; either version 2 of the License, or | |
| 19 | * (at your option) any later version. | |
| 26ac0430 | 20 | * |
| 774c051c | 21 | * This program is distributed in the hope that it will be useful, |
| 22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 24 | * GNU General Public License for more details. | |
| 26ac0430 | 25 | * |
| 774c051c | 26 | * You should have received a copy of the GNU General Public License |
| 27 | * along with this program; if not, write to the Free Software | |
| 28 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
| 29 | * | |
| 30 | */ | |
| 774c051c | 31 | #ifndef SQUID_CHUNKEDCODINGPARSER_H |
| 32 | #define SQUID_CHUNKEDCODINGPARSER_H | |
| 33 | ||
| e1f7507e | 34 | class MemBuf; |
| 774c051c | 35 | |
| e1f7507e AJ |
36 | #if 0 |
| 37 | #include "RefCount.h" | |
| 38 | #endif | |
| 39 | ||
| 40 | /* for size_t */ | |
| 41 | #include "config.h" | |
| 42 | ||
| 43 | /** | |
| 44 | \ingroup ChunkEncodingAPI Chunked Encoding API | |
| 45 | \par | |
| 46 | * ChunkedCodingParser is an incremental parser for chunked transfer coding | |
| 47 | * used by HTTP and ICAP. The parser shovels content bytes from the raw | |
| 48 | * input buffer into the content output buffer, both caller-supplied. | |
| 49 | * Ignores chunk extensions except for ICAP's ieof. | |
| 50 | * Has a trailer-handling placeholder. | |
| 51 | */ | |
| 774c051c | 52 | class ChunkedCodingParser |
| 53 | { | |
| 54 | ||
| 55 | public: | |
| 56 | ChunkedCodingParser(); | |
| 57 | ||
| 58 | void reset(); | |
| 59 | ||
| e1f7507e AJ |
60 | /** |
| 61 | \retval true complete success | |
| 62 | \retval false needs more data | |
| 63 | \throws ?? error. | |
| 64 | */ | |
| 65 | bool parse(MemBuf *rawData, MemBuf *parsedContent); | |
| 774c051c | 66 | |
| 67 | bool needsMoreData() const; | |
| 68 | bool needsMoreSpace() const; | |
| 774c051c | 69 | |
| 70 | private: | |
| 71 | typedef void (ChunkedCodingParser::*Step)(); | |
| 72 | ||
| 73 | private: | |
| 74 | bool mayContinue() const; | |
| 75 | ||
| 76 | void parseChunkBeg(); | |
| 77 | void parseChunkBody(); | |
| 78 | void parseChunkEnd(); | |
| 79 | void parseTrailer(); | |
| 80 | void parseTrailerHeader(); | |
| 81 | void parseMessageEnd(); | |
| 82 | ||
| 83 | bool findCrlf(size_t &crlfBeg, size_t &crlfEnd); | |
| 84 | ||
| 85 | private: | |
| 86 | static Step psChunkBeg; | |
| 87 | static Step psChunkBody; | |
| 88 | static Step psChunkEnd; | |
| 89 | static Step psTrailer; | |
| 90 | static Step psMessageEnd; | |
| 91 | ||
| 92 | MemBuf *theIn; | |
| 93 | MemBuf *theOut; | |
| 94 | ||
| 95 | Step theStep; | |
| 47f6e231 | 96 | uint64_t theChunkSize; |
| 97 | uint64_t theLeftBodySize; | |
| 774c051c | 98 | bool doNeedMoreData; |
| 99 | }; | |
| 100 | ||
| 101 | #endif /* SQUID_CHUNKEDCODINGPARSER_H */ |