67 lines
2.7 KiB
C
67 lines
2.7 KiB
C
/*
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* include/common/errors.h
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* Global error macros and constants
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*
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* Copyright (C) 2000-2010 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 _COMMON_ERRORS_H
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#define _COMMON_ERRORS_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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};
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#endif /* _COMMON_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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