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98 lines
2.6 KiB
98 lines
2.6 KiB
5 months ago
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/*
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* include/haproxy/fix.h
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* This file contains functions and macros declarations for FIX protocol decoding.
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*
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* Copyright 2020 Baptiste Assmann <bedis9@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, version 2.1
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* exclusively.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _HAPROXY_FIX_H
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#define _HAPROXY_FIX_H
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#include <import/ist.h>
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#include <haproxy/fix-t.h>
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#include <haproxy/tools.h>
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unsigned int fix_check_id(const struct ist str, const struct ist version);
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int fix_validate_message(const struct ist msg);
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struct ist fix_tag_value(const struct ist msg, unsigned int tagid);
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/*
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* Return the FIX version string (one of FIX_X_Y macros) corresponding to
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* <str> or IST_NULL if not found.
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*/
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static inline struct ist fix_version(const struct ist str)
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{
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/* 7 is the minimal size for the FIX version string */
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if (istlen(str) < 7)
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return IST_NULL;
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if (isteq(FIX_4_0, str))
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return FIX_4_0;
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else if (isteq(FIX_4_1, str))
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return FIX_4_1;
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else if (isteq(FIX_4_2, str))
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return FIX_4_2;
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else if (isteq(FIX_4_3, str))
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return FIX_4_3;
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else if (isteq(FIX_4_4, str))
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return FIX_4_4;
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else if (isteq(FIX_5_0, str))
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return FIX_5_0;
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return IST_NULL;
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}
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/*
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* Return the FIX tag ID corresponding to <tag> if one found or 0 if not.
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*
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* full list of tag ID available here, just in case we need to support
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* more "string" equivalent in the future:
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* https://www.onixs.biz/fix-dictionary/4.2/fields_by_tag.html
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*/
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static inline unsigned int fix_tagid(const struct ist tag)
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{
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unsigned id = fix_check_id(tag, IST_NULL);
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if (id)
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return id;
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else if (isteqi(tag, ist("MsgType")))
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return FIX_TAG_MsgType;
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else if (isteqi(tag, ist("CheckSum")))
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return FIX_TAG_CheckSum;
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else if (isteqi(tag, ist("BodyLength")))
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return FIX_TAG_BodyLength;
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else if (isteqi(tag, ist("TargetComID")))
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return FIX_TAG_TargetComID;
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else if (isteqi(tag, ist("BeginString")))
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return FIX_TAG_BeginString;
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else if (isteqi(tag, ist("SenderComID")))
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return FIX_TAG_SenderComID;
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return 0;
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}
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#endif /* _HAPROXY_FIX_H */
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/*
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* Local variables:
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* c-indent-level: 8
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* c-basic-offset: 8
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* End:
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*/
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