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https://github.com/emqx/neuron.git
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eeff
e417205727
1. Add a new label argument in log_log 2. Add a set of interfaces to assist node name logging
117 lines
4.3 KiB
C
117 lines
4.3 KiB
C
/**
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* NEURON IIoT System for Industry 4.0
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* Copyright (C) 2020-2021 EMQ Technologies Co., Ltd All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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#ifndef NEURON_LOG_H
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#define NEURON_LOG_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <time.h>
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#include <unistd.h>
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#define LOG_VERSION "0.1.0"
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typedef struct {
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va_list ap;
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const char *fmt;
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const char *file;
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const char *func;
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const char *label;
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struct tm * time;
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void * udata;
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int line;
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int level;
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} log_Event;
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typedef void (*log_LogFn)(log_Event *ev);
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typedef void (*log_LockFn)(bool lock, void *udata);
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enum { LOG_TRACE, LOG_DEBUG, LOG_INFO, LOG_WARN, LOG_ERROR, LOG_FATAL };
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extern const char *log_level_string(int level);
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extern void log_set_lock(log_LockFn fn, void *udata);
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extern void log_set_level(int level);
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extern void log_set_quiet(bool enable);
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extern int log_add_callback(log_LogFn fn, void *udata, int level);
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extern int log_add_fp(FILE *fp, int level);
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extern void log_log(int level, const char *file, int line, const char *func,
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const char *label, const char *fmt, ...);
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/*
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#define fatal(msg, rv) \
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{ \
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log_fatal("%s:%s", msg, strerror(rv)); \
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exit(1); \
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}
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*/
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#ifndef NEURON_LOG_LABEL
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#define NEURON_LOG_LABEL "neuron"
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#endif
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#define log_trace(...) \
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log_log(LOG_TRACE, __FILE__, __LINE__, __FUNCTION__, NEURON_LOG_LABEL, \
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__VA_ARGS__)
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#define log_debug(...) \
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log_log(LOG_DEBUG, __FILE__, __LINE__, __FUNCTION__, NEURON_LOG_LABEL, \
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__VA_ARGS__)
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#define log_info(...) \
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log_log(LOG_INFO, __FILE__, __LINE__, __FUNCTION__, NEURON_LOG_LABEL, \
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__VA_ARGS__)
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#define log_warn(...) \
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log_log(LOG_WARN, __FILE__, __LINE__, __FUNCTION__, NEURON_LOG_LABEL, \
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__VA_ARGS__)
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#define log_error(...) \
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log_log(LOG_ERROR, __FILE__, __LINE__, __FUNCTION__, NEURON_LOG_LABEL, \
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__VA_ARGS__)
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#define log_fatal(...) \
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log_log(LOG_FATAL, __FILE__, __LINE__, __FUNCTION__, NEURON_LOG_LABEL, \
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__VA_ARGS__)
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// these will log the node name as the label
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#define log_trace_node(plugin, ...) \
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log_log(LOG_TRACE, __FILE__, __LINE__, __FUNCTION__, \
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neu_plugin_self_node_name(plugin), __VA_ARGS__)
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#define log_debug_node(plugin, ...) \
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log_log(LOG_DEBUG, __FILE__, __LINE__, __FUNCTION__, \
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neu_plugin_self_node_name(plugin), __VA_ARGS__)
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#define log_info_node(plugin, ...) \
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log_log(LOG_INFO, __FILE__, __LINE__, __FUNCTION__, \
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neu_plugin_self_node_name(plugin), __VA_ARGS__)
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#define log_warn_node(plugin, ...) \
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log_log(LOG_WARN, __FILE__, __LINE__, __FUNCTION__, \
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neu_plugin_self_node_name(plugin), __VA_ARGS__)
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#define log_error_node(plugin, ...) \
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log_log(LOG_ERROR, __FILE__, __LINE__, __FUNCTION__, \
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neu_plugin_self_node_name(plugin), __VA_ARGS__)
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#define log_fatal_node(plugin, ...) \
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log_log(LOG_FATAL, __FILE__, __LINE__, __FUNCTION__, \
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neu_plugin_self_node_name(plugin), __VA_ARGS__)
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#ifdef __cplusplus
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}
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#endif
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#endif
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