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86 lines
1.9 KiB
C
86 lines
1.9 KiB
C
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/*
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* debug.h -- debug utilities
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*
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* Copyright (C) 2010-2011,2014 Olaf Bergmann <bergmann@tzi.org>
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*
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* This file is part of the CoAP library libcoap. Please see README for terms
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* of use.
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*/
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#ifndef _COAP_DEBUG_H_
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#define _COAP_DEBUG_H_
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#ifndef COAP_DEBUG_FD
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#define COAP_DEBUG_FD stdout
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#endif
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#ifndef COAP_ERR_FD
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#define COAP_ERR_FD stderr
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#endif
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#ifdef HAVE_SYSLOG_H
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#include <syslog.h>
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typedef short coap_log_t;
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#else
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/** Pre-defined log levels akin to what is used in \b syslog. */
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typedef enum {
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LOG_EMERG=0,
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LOG_ALERT,
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LOG_CRIT,
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LOG_ERR,
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LOG_WARNING,
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LOG_NOTICE,
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LOG_INFO,
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LOG_DEBUG
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} coap_log_t;
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#endif
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/** Returns the current log level. */
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coap_log_t coap_get_log_level(void);
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/** Sets the log level to the specified value. */
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void coap_set_log_level(coap_log_t level);
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/** Returns a zero-terminated string with the name of this library. */
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const char *coap_package_name(void);
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/** Returns a zero-terminated string with the library version. */
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const char *coap_package_version(void);
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/**
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* Writes the given text to @c COAP_ERR_FD (for @p level <= @c LOG_CRIT) or @c
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* COAP_DEBUG_FD (for @p level >= @c LOG_WARNING). The text is output only when
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* @p level is below or equal to the log level that set by coap_set_log_level().
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*/
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void coap_log_impl(coap_log_t level, const char *format, ...);
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#ifndef coap_log
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#define coap_log(...) coap_log_impl(__VA_ARGS__)
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#endif
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#ifndef NDEBUG
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/* A set of convenience macros for common log levels. */
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#define info(...) coap_log(LOG_INFO, __VA_ARGS__)
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#define warn(...) coap_log(LOG_WARNING, __VA_ARGS__)
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#define debug(...) coap_log(LOG_DEBUG, __VA_ARGS__)
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#include "pdu.h"
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void coap_show_pdu(const coap_pdu_t *);
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struct coap_address_t;
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size_t coap_print_addr(const struct coap_address_t *, unsigned char *, size_t);
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#else
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#define debug(...)
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#define info(...)
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#define warn(...)
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#define coap_show_pdu(x)
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#define coap_print_addr(...)
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#endif /* NDEBUG */
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#endif /* _COAP_DEBUG_H_ */
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