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139 lines
4.3 KiB
C
139 lines
4.3 KiB
C
/*
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* err.h
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*
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* error status codes
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*
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* David A. McGrew
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* Cisco Systems, Inc.
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*/
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/*
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*
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* Copyright (c) 2001-2017, Cisco Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* Neither the name of the Cisco Systems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef ERR_H
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#define ERR_H
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#include <stdio.h>
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#include <stdarg.h>
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#include "srtp.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @defgroup Error Error Codes
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*
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* Error status codes are represented by the enumeration srtp_err_status_t.
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*
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* @{
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*/
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/**
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* @}
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*/
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typedef enum {
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srtp_err_level_error,
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srtp_err_level_warning,
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srtp_err_level_info,
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srtp_err_level_debug
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} srtp_err_reporting_level_t;
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/*
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* err_reporting_init prepares the error system. If
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* ERR_REPORTING_STDOUT is defined, it will log to stdout.
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*
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*/
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srtp_err_status_t srtp_err_reporting_init(void);
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typedef void(srtp_err_report_handler_func_t)(srtp_err_reporting_level_t level,
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const char *msg);
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srtp_err_status_t srtp_install_err_report_handler(
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srtp_err_report_handler_func_t func);
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/*
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* srtp_err_report reports a 'printf' formatted error
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* string, followed by a an arg list. The level argument
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* is one of srtp_err_reporting_level_t.
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*
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* Errors will be reported to stdout, if ERR_REPORTING_STDOUT
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* is defined.
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*
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*/
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void srtp_err_report(srtp_err_reporting_level_t level, const char *format, ...);
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/*
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* debug_module_t defines a debug module
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*/
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typedef struct {
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int on; /* 1 if debugging is on, 0 if it is off */
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const char *name; /* printable name for debug module */
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} srtp_debug_module_t;
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#ifdef ENABLE_DEBUG_LOGGING
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#define debug_print0(mod, format) \
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srtp_err_report(srtp_err_level_debug, ("%s: " format "\n"), mod.name)
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#define debug_print(mod, format, arg) \
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srtp_err_report(srtp_err_level_debug, ("%s: " format "\n"), mod.name, arg)
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#define debug_print2(mod, format, arg1, arg2) \
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srtp_err_report(srtp_err_level_debug, ("%s: " format "\n"), mod.name, \
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arg1, arg2)
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#else
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#define debug_print0(mod, format) \
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if (mod.on) \
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srtp_err_report(srtp_err_level_debug, ("%s: " format "\n"), mod.name)
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#define debug_print(mod, format, arg) \
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if (mod.on) \
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srtp_err_report(srtp_err_level_debug, ("%s: " format "\n"), mod.name, arg)
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#define debug_print2(mod, format, arg1, arg2) \
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if (mod.on) \
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srtp_err_report(srtp_err_level_debug, ("%s: " format "\n"), mod.name, \
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arg1, arg2)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* ERR_H */
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