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70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/* debug.h -- debug utilities
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*
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* Copyright (C) 2010,2011 Olaf Bergmann <bergmann@tzi.org>
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*
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* This file is part of the CoAP library libcoap. Please see
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* README for terms 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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#include "config.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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/** Pre-defined log levels akin to what is used in \b syslog. */
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typedef enum { LOG_EMERG=0, LOG_ALERT, LOG_CRIT, LOG_WARN,
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LOG_NOTICE, LOG_INFO, LOG_DEBUG
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} coap_log_t;
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/** Returns the current log level. */
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coap_log_t coap_get_log_level();
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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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/**
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* Writes the given text to @c COAP_ERR_FD (for @p level <= @c
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* LOG_CRIT) or @c COAP_DEBUG_FD (for @p level >= @c LOG_WARN). The
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* text is output only when @p level is below or equal to the log
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* 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_WARN, __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
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#endif /* _COAP_DEBUG_H_ */
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