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2 | /* | |
3 | * $Id: HttpMsg.h,v 1.1 2005/09/13 17:45:05 wessels Exp $ | |
4 | * | |
5 | * | |
6 | * SQUID Web Proxy Cache http://www.squid-cache.org/ | |
7 | * ---------------------------------------------------------- | |
8 | * | |
9 | * Squid is the result of efforts by numerous individuals from | |
10 | * the Internet community; see the CONTRIBUTORS file for full | |
11 | * details. Many organizations have provided support for Squid's | |
12 | * development; see the SPONSORS file for full details. Squid is | |
13 | * Copyrighted (C) 2001 by the Regents of the University of | |
14 | * California; see the COPYRIGHT file for full details. Squid | |
15 | * incorporates software developed and/or copyrighted by other | |
16 | * sources; see the CREDITS file for full details. | |
17 | * | |
18 | * This program is free software; you can redistribute it and/or modify | |
19 | * it under the terms of the GNU General Public License as published by | |
20 | * the Free Software Foundation; either version 2 of the License, or | |
21 | * (at your option) any later version. | |
22 | * | |
23 | * This program is distributed in the hope that it will be useful, | |
24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
26 | * GNU General Public License for more details. | |
27 | * | |
28 | * You should have received a copy of the GNU General Public License | |
29 | * along with this program; if not, write to the Free Software | |
30 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
31 | * | |
32 | */ | |
33 | ||
34 | #ifndef SQUID_HTTPMSG_H | |
35 | #define SQUID_HTTPMSG_H | |
36 | ||
37 | #include "typedefs.h" | |
38 | #include "HttpHeader.h" | |
39 | #include "HttpVersion.h" | |
40 | ||
41 | // common parts of HttpRequest and HttpReply | |
42 | ||
43 | class HttpMsg | |
44 | { | |
45 | ||
46 | public: | |
47 | HttpMsg(http_hdr_owner_type owner); | |
48 | virtual ~HttpMsg() {} | |
49 | ||
50 | virtual void reset() = 0; // will have body when http*Clean()s are gone | |
51 | ||
52 | // returns true and sets hdr_sz on success | |
53 | // returns false and sets *error to zero when needs more data | |
54 | // returns false and sets *error to a positive http_status code on error | |
55 | virtual bool sanityCheckStartLine(MemBuf *buf, http_status *error) = 0; | |
56 | ||
57 | void packInto(Packer * p, bool full_uri) const; | |
58 | ||
59 | public: | |
60 | HttpVersion http_ver; | |
61 | HttpHeader header; | |
62 | ||
63 | HttpHdrCc *cache_control; | |
64 | ||
65 | /* Unsupported, writable, may disappear/change in the future | |
66 | * For replies, sums _stored_ status-line, headers, and <CRLF>. | |
67 | * Also used to report parsed header size if parse() is successful */ | |
68 | int hdr_sz; | |
69 | ||
70 | int content_length; | |
71 | protocol_t protocol; | |
72 | ||
73 | HttpMsgParseState pstate; /* the current parsing state */ | |
74 | bool parse(MemBuf *buf, bool eol, http_status *error); | |
75 | int httpMsgParseStep(const char *buf, int atEnd); | |
76 | int httpMsgParseError(); | |
77 | ||
78 | protected: | |
79 | virtual void packFirstLineInto(Packer * p, bool full_uri) const = 0; | |
80 | }; | |
81 | ||
82 | ||
83 | SQUIDCEXTERN int httpMsgIsolateHeaders(const char **parse_start, const char **blk_start, const char **blk_end); | |
84 | ||
85 | #endif /* SQUID_HTTPMSG_H */ |