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haproxy/include/proto/pattern.h

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[MEDIUM] Add pattern fetch management types and functions
2010-01-04 15:16:05 +00:00
/*
* include/proto/pattern.h
* Functions for patterns management.
*
* Copyright (C) 2009-2010 EXCELIANCE, Emeric Brun <ebrun@exceliance.fr>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, version 2.1
* exclusively.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _PROTO_PATTERN_H
#define _PROTO_PATTERN_H
#include <types/pattern.h>
#include <types/stick_table.h>
[MEDIUM] Create new protected pattern types CONSTSTRING and CONSTDATA to force memcpy if data from protected areas need to be manipulated. Enhance pattern convs and fetch argument parsing, now fetchs and convs callbacks used typed args. Add more details on error messages on parsing pattern expression function. Update existing pattern convs and fetchs to new proto. Create stick table key type "binary". Manage Truncation and padding if pattern's fetch-converted result don't match table key size.
2010-09-23 16:02:19 +00:00
struct pattern_expr *pattern_parse_expr(char **str, int *idx, char *err, int err_size);
MINOR: pattern: replace struct pattern with struct sample This change is pretty minor. Struct pattern is only used for pattern_process() now so changing it to use the common type is quite obvious. It's worth noting that the last argument of pattern_process() is never used so the function is self-sufficient. Note that pattern_process() does not initialize the pattern at all before calling fetch->process(), and that minimal initialization will be required when we later change the argument for the sample.
2012-04-23 19:35:11 +00:00
struct sample *pattern_process(struct proxy *px, struct session *l4,
MEDIUM: acl/pattern: use the same direction scheme Patterns were using a bitmask to indicate if request or response was desired in fetch functions and keywords. ACLs were using a bitmask in fetch keywords and a single bit in fetch functions. ACLs were also using an ACL_PARTIAL bit in fetch functions indicating that a non-final fetch was performed, which was an abuse of the existing direction flag. The change now consists in using : - a capabilities field for fetch keywords => SMP_CAP_REQ/RES to indicate if a keyword supports requests, responses, both, etc... - an option field for fetch functions to indicate what the caller expects (request/response, final/non-final) The ACL_PARTIAL bit was reversed to get SMP_OPT_FINAL as it's more explicit to know we're working on a final buffer than on a non-final one. ACL_DIR_* were removed, as well as PATTERN_FETCH_*. L4 fetches were improved to support being called on responses too since they're still available. The <dir> field of all fetch functions was changed to <opt> which is now unsigned. The patch is large but mostly made of cosmetic changes to accomodate this, as almost no logic change happened.
2012-04-25 08:13:36 +00:00
void *l7, unsigned int dir, struct pattern_expr *expr,
MINOR: pattern: replace struct pattern with struct sample This change is pretty minor. Struct pattern is only used for pattern_process() now so changing it to use the common type is quite obvious. It's worth noting that the last argument of pattern_process() is never used so the function is self-sufficient. Note that pattern_process() does not initialize the pattern at all before calling fetch->process(), and that minimal initialization will be required when we later change the argument for the sample.
2012-04-23 19:35:11 +00:00
struct sample *p);
[MEDIUM] Add pattern fetch management types and functions
2010-01-04 15:16:05 +00:00
void pattern_register_fetches(struct pattern_fetch_kw_list *psl);
void pattern_register_convs(struct pattern_conv_kw_list *psl);
#endif
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