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/*
* include/haproxy/fix.h
* This file contains functions and macros declarations for FIX protocol decoding.
*
* Copyright 2020 Baptiste Assmann <bedis9@gmail.com>
*
* 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 _HAPROXY_FIX_H
#define _HAPROXY_FIX_H
#include <import/ist.h>
#include <haproxy/fix-t.h>
#include <haproxy/tools.h>
unsigned int fix_check_id(const struct ist str, const struct ist version);
int fix_validate_message(const struct ist msg);
struct ist fix_tag_value(const struct ist msg, unsigned int tagid);
/*
* Return the FIX version string (one of FIX_X_Y macros) corresponding to
* <str> or IST_NULL if not found.
*/
static inline struct ist fix_version(const struct ist str)
{
/* 7 is the minimal size for the FIX version string */
if (istlen(str) < 7)
return IST_NULL;
if (isteq(FIX_4_0, str))
return FIX_4_0;
else if (isteq(FIX_4_1, str))
return FIX_4_1;
else if (isteq(FIX_4_2, str))
return FIX_4_2;
else if (isteq(FIX_4_3, str))
return FIX_4_3;
else if (isteq(FIX_4_4, str))
return FIX_4_4;
else if (isteq(FIX_5_0, str))
return FIX_5_0;
return IST_NULL;
}
/*
* Return the FIX tag ID corresponding to <tag> if one found or 0 if not.
*
* full list of tag ID available here, just in case we need to support
* more "string" equivalent in the future:
* https://www.onixs.biz/fix-dictionary/4.2/fields_by_tag.html
*/
static inline unsigned int fix_tagid(const struct ist tag)
{
unsigned id = fix_check_id(tag, IST_NULL);
if (id)
return id;
else if (isteqi(tag, ist("MsgType")))
return FIX_TAG_MsgType;
else if (isteqi(tag, ist("CheckSum")))
return FIX_TAG_CheckSum;
else if (isteqi(tag, ist("BodyLength")))
return FIX_TAG_BodyLength;
else if (isteqi(tag, ist("TargetCompID")))
return FIX_TAG_TargetCompID;
else if (isteqi(tag, ist("BeginString")))
return FIX_TAG_BeginString;
else if (isteqi(tag, ist("SenderCompID")))
return FIX_TAG_SenderCompID;
return 0;
}
#endif /* _HAPROXY_FIX_H */
/*
* Local variables:
* c-indent-level: 8
* c-basic-offset: 8
* End:
*/
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