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c64a2a307c
This patch provides the code to handle arrays of some standard types (SINT, UINT, ULL and FRQP) in stick table. This way we could define new "array" data types. Note: the number of elements of an array was limited to 100 to put a limit and to ensure that an encoded update message will continue to fit into a buffer when the peer protocol will handle such data types.
134 lines
4.7 KiB
C
134 lines
4.7 KiB
C
/*
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* include/haproxy/errors.h
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* Global error macros and constants
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*
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* Copyright (C) 2000-2020 Willy Tarreau - w@1wt.eu
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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_ERRORS_H
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#define _HAPROXY_ERRORS_H
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#include <stdarg.h>
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#include <stdio.h>
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#include <haproxy/buf-t.h>
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#include <haproxy/obj_type-t.h>
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/* These flags may be used in various functions which are called from within
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* loops (eg: to start all listeners from all proxies). They provide enough
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* information to let the caller decide what to do. ERR_WARN and ERR_ALERT
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* do not indicate any error, just that a message has been put in a shared
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* buffer in order to be displayed by the caller.
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*/
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#define ERR_NONE 0x00 /* no error, no message returned */
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#define ERR_RETRYABLE 0x01 /* retryable error, may be cumulated */
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#define ERR_FATAL 0x02 /* fatal error, may be cumulated */
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#define ERR_ABORT 0x04 /* it's preferable to end any possible loop */
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#define ERR_WARN 0x08 /* a warning message has been returned */
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#define ERR_ALERT 0x10 /* an alert message has been returned */
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#define ERR_CODE (ERR_RETRYABLE|ERR_FATAL|ERR_ABORT) /* mask */
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/* These codes may be used by config parsing functions which detect errors and
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* which need to inform the upper layer about them. They are all prefixed with
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* "PE_" for "Parse Error". These codes will probably be extended, and functions
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* making use of them should be documented as such. Only code PE_NONE (zero) may
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* indicate a valid condition, all other ones must be caught as errors, event if
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* unknown by the caller. This must not be used to forward warnings.
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*/
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enum {
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PE_NONE = 0, /* no error */
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PE_ENUM_OOR, /* enum data out of allowed range */
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PE_EXIST, /* trying to create something which already exists */
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PE_ARG_MISSING, /* mandatory argument not provided */
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PE_ARG_NOT_USED, /* argument provided cannot be used */
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PE_ARG_INVC, /* invalid char in argument (pointer not provided) */
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PE_ARG_INVC_PTR, /* invalid char in argument (pointer provided) */
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PE_ARG_NOT_FOUND, /* argument references something not found */
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PE_ARG_VALUE_OOR, /* argument value is out of range */
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};
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void usermsgs_clr(const char *prefix);
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int usermsgs_empty(void);
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const char *usermsgs_str(void);
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/************ Error reporting functions ***********/
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struct usermsgs_ctx {
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struct buffer str;
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const char *prefix; /* prefix of every output */
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const char *file; /* related filename for config parsing */
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int line; /* related line number for config parsing */
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enum obj_type *obj; /* related proxy, server, ... */
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};
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void set_usermsgs_ctx(const char *file, int line, enum obj_type *obj);
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void register_parsing_obj(enum obj_type *obj);
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void reset_usermsgs_ctx(void);
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/*
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* Displays the message on stderr with the date and pid. Overrides the quiet
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* mode during startup.
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*/
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void ha_alert(const char *fmt, ...)
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__attribute__ ((format(printf, 1, 2)));
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/*
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* Displays the message on stderr with the date and pid.
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*/
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void ha_warning(const char *fmt, ...)
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__attribute__ ((format(printf, 1, 2)));
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/*
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* These functions are reserved to output diagnostics on MODE_DIAG.
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* Use the underscore variants only if MODE_DIAG has already been checked.
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*/
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void _ha_vdiag_warning(const char *fmt, va_list argp);
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void _ha_diag_warning(const char *fmt, ...);
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void ha_diag_warning(const char *fmt, ...)
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__attribute__ ((format(printf, 1 ,2)));
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/* Check for both MODE_DIAG and <cond> before outputting a diagnostic warning */
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#define HA_DIAG_WARNING_COND(cond, fmt, ...) \
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do { \
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if ((global.mode & MODE_DIAG) && (cond)) \
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_ha_diag_warning((fmt), ##__VA_ARGS__); \
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} while (0)
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/*
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* Displays the message on stderr with the date and pid.
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*/
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void ha_notice(const char *fmt, ...)
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__attribute__ ((format(printf, 1, 2)));
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/*
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* Displays the message on <out> only if quiet mode is not set.
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*/
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void qfprintf(FILE *out, const char *fmt, ...)
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__attribute__ ((format(printf, 2, 3)));
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#endif /* _HAPROXY_ERRORS_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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