249 lines
9.3 KiB
C
249 lines
9.3 KiB
C
/*
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* Copyright (c) 2017, Inria.
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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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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR 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, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \file
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* Header file for the logging system
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* \author
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* Simon Duquennoy <simon.duquennoy@inria.fr>
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*/
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/** \addtogroup sys
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* @{ */
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/**
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* \defgroup log Per-module, per-level logging
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* @{
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*
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* The log module performs per-module, per-level logging
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*
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*/
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#ifndef __LOG_H__
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#define __LOG_H__
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#include <stdio.h>
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#include "net/linkaddr.h"
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#include "sys/log-conf.h"
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#if NETSTACK_CONF_WITH_IPV6
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#include "net/ipv6/uip.h"
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#endif /* NETSTACK_CONF_WITH_IPV6 */
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/* The different log levels available */
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#define LOG_LEVEL_NONE 0 /* No log */
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#define LOG_LEVEL_ERR 1 /* Errors */
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#define LOG_LEVEL_WARN 2 /* Warnings */
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#define LOG_LEVEL_INFO 3 /* Basic info */
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#define LOG_LEVEL_DBG 4 /* Detailled debug */
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/* Per-module log level */
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struct log_module {
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const char *name;
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int *curr_log_level;
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int max_log_level;
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};
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extern int curr_log_level_rpl;
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extern int curr_log_level_tcpip;
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extern int curr_log_level_ipv6;
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extern int curr_log_level_6lowpan;
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extern int curr_log_level_nullnet;
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extern int curr_log_level_mac;
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extern int curr_log_level_framer;
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extern int curr_log_level_6top;
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extern int curr_log_level_coap;
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extern int curr_log_level_lwm2m;
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extern int curr_log_level_main;
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extern struct log_module all_modules[];
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#define LOG_LEVEL_RPL MIN((LOG_CONF_LEVEL_RPL), curr_log_level_rpl)
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#define LOG_LEVEL_TCPIP MIN((LOG_CONF_LEVEL_TCPIP), curr_log_level_tcpip)
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#define LOG_LEVEL_IPV6 MIN((LOG_CONF_LEVEL_IPV6), curr_log_level_ipv6)
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#define LOG_LEVEL_6LOWPAN MIN((LOG_CONF_LEVEL_6LOWPAN), curr_log_level_6lowpan)
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#define LOG_LEVEL_NULLNET MIN((LOG_CONF_LEVEL_NULLNET), curr_log_level_nullnet)
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#define LOG_LEVEL_MAC MIN((LOG_CONF_LEVEL_MAC), curr_log_level_mac)
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#define LOG_LEVEL_FRAMER MIN((LOG_CONF_LEVEL_FRAMER), curr_log_level_framer)
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#define LOG_LEVEL_6TOP MIN((LOG_CONF_LEVEL_6TOP), curr_log_level_6top)
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#define LOG_LEVEL_COAP MIN((LOG_CONF_LEVEL_COAP), curr_log_level_coap)
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#define LOG_LEVEL_LWM2M MIN((LOG_CONF_LEVEL_LWM2M), curr_log_level_lwm2m)
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#define LOG_LEVEL_MAIN MIN((LOG_CONF_LEVEL_MAIN), curr_log_level_main)
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/* Main log function */
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#define LOG(newline, level, levelstr, ...) do { \
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if(level <= (LOG_LEVEL)) { \
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if(newline) { \
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if(LOG_WITH_MODULE_PREFIX) { \
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LOG_OUTPUT_PREFIX(level, levelstr, LOG_MODULE); \
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} \
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if(LOG_WITH_LOC) { \
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LOG_OUTPUT("[%s: %d] ", __FILE__, __LINE__); \
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} \
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} \
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LOG_OUTPUT(__VA_ARGS__); \
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} \
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} while (0)
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/* For Cooja annotations */
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#define LOG_ANNOTATE(...) do { \
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if(LOG_WITH_ANNOTATE) { \
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LOG_OUTPUT(__VA_ARGS__); \
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} \
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} while (0)
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/* Link-layer address */
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#define LOG_LLADDR(level, lladdr) do { \
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if(level <= (LOG_LEVEL)) { \
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if(LOG_WITH_COMPACT_ADDR) { \
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log_lladdr_compact(lladdr); \
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} else { \
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log_lladdr(lladdr); \
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} \
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} \
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} while (0)
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/* IPv6 address */
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#define LOG_6ADDR(level, ipaddr) do { \
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if(level <= (LOG_LEVEL)) { \
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if(LOG_WITH_COMPACT_ADDR) { \
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log_6addr_compact(ipaddr); \
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} else { \
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log_6addr(ipaddr); \
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} \
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} \
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} while (0)
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/* More compact versions of LOG macros */
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#define LOG_PRINT(...) LOG(1, 0, "PRI", __VA_ARGS__)
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#define LOG_ERR(...) LOG(1, LOG_LEVEL_ERR, "ERR", __VA_ARGS__)
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#define LOG_WARN(...) LOG(1, LOG_LEVEL_WARN, "WARN", __VA_ARGS__)
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#define LOG_INFO(...) LOG(1, LOG_LEVEL_INFO, "INFO", __VA_ARGS__)
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#define LOG_DBG(...) LOG(1, LOG_LEVEL_DBG, "DBG", __VA_ARGS__)
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#define LOG_PRINT_(...) LOG(0, 0, "PRI", __VA_ARGS__)
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#define LOG_ERR_(...) LOG(0, LOG_LEVEL_ERR, "ERR", __VA_ARGS__)
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#define LOG_WARN_(...) LOG(0, LOG_LEVEL_WARN, "WARN", __VA_ARGS__)
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#define LOG_INFO_(...) LOG(0, LOG_LEVEL_INFO, "INFO", __VA_ARGS__)
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#define LOG_DBG_(...) LOG(0, LOG_LEVEL_DBG, "DBG", __VA_ARGS__)
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#define LOG_PRINT_LLADDR(...) LOG_LLADDR(0, __VA_ARGS__)
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#define LOG_ERR_LLADDR(...) LOG_LLADDR(LOG_LEVEL_ERR, __VA_ARGS__)
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#define LOG_WARN_LLADDR(...) LOG_LLADDR(LOG_LEVEL_WARN, __VA_ARGS__)
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#define LOG_INFO_LLADDR(...) LOG_LLADDR(LOG_LEVEL_INFO, __VA_ARGS__)
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#define LOG_DBG_LLADDR(...) LOG_LLADDR(LOG_LEVEL_DBG, __VA_ARGS__)
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#define LOG_PRINT_6ADDR(...) LOG_6ADDR(0, __VA_ARGS__)
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#define LOG_ERR_6ADDR(...) LOG_6ADDR(LOG_LEVEL_ERR, __VA_ARGS__)
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#define LOG_WARN_6ADDR(...) LOG_6ADDR(LOG_LEVEL_WARN, __VA_ARGS__)
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#define LOG_INFO_6ADDR(...) LOG_6ADDR(LOG_LEVEL_INFO, __VA_ARGS__)
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#define LOG_DBG_6ADDR(...) LOG_6ADDR(LOG_LEVEL_DBG, __VA_ARGS__)
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/* For checking log level.
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As this builds on curr_log_level variables, this should not be used
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in pre-processor macros. Use in a C 'if' statement instead, e.g.:
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if(LOG_INFO_ENABLED) { ... }
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Note that most compilers will still be able to strip the code out
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for low enough log levels configurations. */
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#define LOG_ERR_ENABLED ((LOG_LEVEL) >= LOG_LEVEL_ERR)
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#define LOG_WARN_ENABLED ((LOG_LEVEL) >= LOG_LEVEL_WARN)
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#define LOG_INFO_ENABLED ((LOG_LEVEL) >= LOG_LEVEL_INFO)
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#define LOG_DBG_ENABLED ((LOG_LEVEL) >= LOG_LEVEL_DBG)
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#if NETSTACK_CONF_WITH_IPV6
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/**
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* Logs an IPv6 address
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* \param ipaddr The IPv6 address
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*/
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void log_6addr(const uip_ipaddr_t *ipaddr);
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/**
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* Logs an IPv6 address with a compact format
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* \param ipaddr The IPv6 address
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*/
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void log_6addr_compact(const uip_ipaddr_t *ipaddr);
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/**
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* Write at most size - 1 characters of the IP address to the output string,
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* in a compact representation. The output is always null-terminated, unless
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* size is 0.
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*
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* \param buf A pointer to an output string with at least size bytes.
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* \param size The max number of characters to write to the output string.
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* \param ipaddr A pointer to a uip_ipaddr_t that will be printed with printf().
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*/
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int log_6addr_compact_snprint(char *buf, size_t size, const uip_ipaddr_t *ipaddr);
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#endif /* NETSTACK_CONF_WITH_IPV6 */
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/**
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* Logs a link-layer address
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* \param lladdr The link-layer address
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*/
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void log_lladdr(const linkaddr_t *lladdr);
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/**
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* Logs a link-layer address with a compact format
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* \param lladdr The link-layer address
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*/
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void log_lladdr_compact(const linkaddr_t *lladdr);
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/**
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* Sets a log level at run-time. Logs are included in the firmware via
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* the compile-time flags in log-conf.h, but this allows to force lower log
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* levels, system-wide.
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* \param module The target module string descriptor
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* \param level The log level
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*/
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void log_set_level(const char *module, int level);
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/**
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* Returns the current log level.
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* \param module The target module string descriptor
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* \return The current log level
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*/
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int log_get_level(const char *module);
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/**
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* Returns a textual description of a log level
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* \param level log level
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* \return The textual description
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*/
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const char *log_level_to_str(int level);
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#endif /* __LOG_H__ */
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/** @} */
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/** @} */
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