1 /* debug.h -- debug utilities
3 * Copyright (C) 2011--2012 Olaf Bergmann <bergmann@tzi.org>
5 * Permission is hereby granted, free of charge, to any person
6 * obtaining a copy of this software and associated documentation
7 * files (the "Software"), to deal in the Software without
8 * restriction, including without limitation the rights to use, copy,
9 * modify, merge, publish, distribute, sublicense, and/or sell copies
10 * of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 #ifndef _DTLS_DEBUG_H_
27 #define _DTLS_DEBUG_H_
31 #include "dtls_config.h"
37 # define DEBUG DEBUG_PRINT
39 #include "net/ip/uip-debug.h"
41 #ifdef CONTIKI_TARGET_MBXXX
42 extern char __Stack_Init, _estack;
44 static inline void check_stack() {
45 const char *p = &__Stack_Init;
46 while (p < &_estack && *p == 0x38) {
50 PRINTF("Stack: %d bytes used (%d free)\n", &_estack - p, p - &__Stack_Init);
52 #else /* CONTIKI_TARGET_MBXXX */
53 static inline void check_stack() {
55 #endif /* CONTIKI_TARGET_MBXXX */
56 #else /* WITH_CONTKI */
59 static inline void check_stack() {
65 /** Pre-defined log levels akin to what is used in \b syslog. */
66 typedef enum { DTLS_LOG_EMERG=0, DTLS_LOG_ALERT, DTLS_LOG_CRIT, DTLS_LOG_WARN,
67 DTLS_LOG_NOTICE, DTLS_LOG_INFO, DTLS_LOG_DEBUG
70 /** Returns a zero-terminated string with the name of this library. */
71 const char *dtls_package_name();
73 /** Returns a zero-terminated string with the library version. */
74 const char *dtls_package_version();
77 /** Returns the current log level. */
78 log_t dtls_get_log_level();
80 /** Sets the log level to the specified value. */
81 void dtls_set_log_level(log_t level);
84 * Writes the given text to \c stdout. The text is output only when \p
85 * level is below or equal to the log level that set by
88 void dsrv_log(log_t level, char *format, ...);
90 #define dsrv_log(level, format, ...) PRINTF(format, ##__VA_ARGS__)
93 /** dumps packets in usual hexdump format */
94 void hexdump(const unsigned char *packet, int length);
96 /** dump as narrow string of hex digits */
97 void dump(unsigned char *buf, size_t len);
99 void dtls_dsrv_hexdump_log(log_t level, const char *name, const unsigned char *buf, size_t length, int extend);
101 void dtls_dsrv_log_addr(log_t level, const char *name, const session_t *addr);
105 static inline log_t dtls_get_log_level()
107 return DTLS_LOG_EMERG;
110 static inline void dtls_set_log_level(log_t level)
113 static inline void dsrv_log(log_t level, char *format, ...)
116 static inline void hexdump(const unsigned char *packet, int length)
119 static inline void dump(unsigned char *buf, size_t len)
123 dtls_dsrv_hexdump_log(log_t level, const char *name, const unsigned char *buf, size_t length, int extend)
127 dtls_dsrv_log_addr(log_t level, const char *name, const struct __session_t *addr)
132 /* A set of convenience macros for common log levels. */
133 #define dtls_emerg(...) dsrv_log(DTLS_LOG_EMERG, __VA_ARGS__)
134 #define dtls_alert(...) dsrv_log(DTLS_LOG_ALERT, __VA_ARGS__)
135 #define dtls_crit(...) dsrv_log(DTLS_LOG_CRIT, __VA_ARGS__)
136 #define dtls_warn(...) dsrv_log(DTLS_LOG_WARN, __VA_ARGS__)
137 #define dtls_notice(...) dsrv_log(DTLS_LOG_NOTICE, __VA_ARGS__)
138 #define dtls_info(...) dsrv_log(DTLS_LOG_INFO, __VA_ARGS__)
139 #define dtls_debug(...) dsrv_log(DTLS_LOG_DEBUG, __VA_ARGS__)
140 #define dtls_debug_hexdump(name, buf, length) dtls_dsrv_hexdump_log(DTLS_LOG_DEBUG, name, buf, length, 1)
141 #define dtls_debug_dump(name, buf, length) dtls_dsrv_hexdump_log(DTLS_LOG_DEBUG, name, buf, length, 0)
143 #endif /* _DTLS_DEBUG_H_ */