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72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
/*
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* include/haproxy/vars-t.h
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* Macros and structures definitions for variables.
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*
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* Copyright (C) 2015 Thierry FOURNIER <tfournier@arpalert.org>
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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_VARS_T_H
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#define _HAPROXY_VARS_T_H
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#include <haproxy/sample_data-t.h>
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#include <haproxy/thread-t.h>
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/* flags used when setting/clearing variables */
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#define VF_CREATEONLY 0x00000001 // do nothing if the variable already exists
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#define VF_PERMANENT 0x00000002 // variables known to the config parser
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#define VF_COND_IFEXISTS 0x00000004 // only set variable if it already exists
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#define VF_COND_IFNOTEXISTS 0x00000008 // only set variable if it did not exist yet
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#define VF_COND_IFEMPTY 0x00000010 // only set variable if sample is empty
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#define VF_COND_IFNOTEMPTY 0x00000020 // only set variable if sample is not empty
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#define VF_COND_IFSET 0x00000040 // only set variable if its type is not SMP_TYPE_ANY
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#define VF_COND_IFNOTSET 0x00000080 // only set variable if its type is ANY
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#define VF_COND_IFGT 0x00000100 // only set variable if its value is greater than the sample's
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#define VF_COND_IFLT 0x00000200 // only set variable if its value is less than the sample's
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enum vars_scope {
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SCOPE_SESS = 0,
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SCOPE_TXN,
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SCOPE_REQ,
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SCOPE_RES,
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SCOPE_PROC,
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SCOPE_CHECK,
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};
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struct vars {
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struct list head;
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enum vars_scope scope;
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unsigned int size;
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__decl_thread(HA_RWLOCK_T rwlock);
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};
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/* This struct describes a variable as found in an arg_data */
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struct var_desc {
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uint64_t name_hash;
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enum vars_scope scope;
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};
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struct var {
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struct list l; /* Used for chaining vars. */
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uint64_t name_hash; /* XXH3() of the variable's name */
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uint flags; // VF_*
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/* 32-bit hole here */
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struct sample_data data; /* data storage. */
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};
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#endif
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