115 lines
3.9 KiB
C
115 lines
3.9 KiB
C
/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*
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* This source code is subject to the terms and conditions defined in below
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* which is part of this source code package.
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*
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* Description: Log Function
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*/
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// Copyright (C) 2019 Amlogic, Inc. All rights reserved.
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//
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// All information contained herein is Amlogic confidential.
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//
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// This software is provided to you pursuant to Software License
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// Agreement (SLA) with Amlogic Inc ("Amlogic"). This software may be
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// used only in accordance with the terms of this agreement.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification is strictly prohibited without prior written permission
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// from Amlogic.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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 <errno.h>
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#include <string.h>
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#include <time.h>
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static inline char *get_cur_time() {
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static char s[20];
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time_t t;
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struct tm* ltime;
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time(&t);
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ltime = localtime(&t);
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strftime(s, 20, "%Y-%m-%d %H:%M:%S", ltime);
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return s;
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}
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#ifndef LOGLEVEL
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#define LOGLEVEL 4
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#endif
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#define __FILENAME__ (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)
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#if LOGLEVEL < 3
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#define NDEBUG 1
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#endif
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#ifdef NDEBUG
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#define log_debug(M, ...)
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#else
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#ifdef LOG_NOCOLORS
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#define log_debug(M, ...) fprintf(stderr, "[%s] DEBUG [amlv4l2src %s:%d:%s]" M "\n", \
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get_cur_time(), __FILE__, __LINE__, __func__, ##__VA_ARGS__)
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#else
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/* white color */
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#define log_debug(M, ...) fprintf(stderr, "[%s] \33[1;37mDEBUG\33[0;39m [amlv4l2src %s:%d:%s]" M "\n", \
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get_cur_time(), __FILE__, __LINE__, __func__, ##__VA_ARGS__)
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#endif /* NOCOLORS */
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#endif /* NDEBUG */
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/* safe readable version of errno */
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#define clean_errno() (errno == 0 ? "None" : strerror(errno))
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#ifdef LOG_NOCOLORS
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#define log_error(M, ...) fprintf(stderr, "[%s] ERROR [amlv4l2src %s:%d:%s] errno:%s " M "\n", \
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get_cur_time(), __FILE__, __LINE__, __func__, clean_errno(), ##__VA_ARGS__)
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#define log_warn(M, ...) fprintf(stderr, "[%s] WARN [amlv4l2src %s:%d:%s] errno:%s" M "\n", \
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get_cur_time(), __FILE__, __LINE__, __func__, clean_errno(), ##__VA_ARGS__)
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#define log_info(M, ...) fprintf(stderr, "[%s] INFO [amlv4l2src %s:%d:%s]" M "\n", \
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get_cur_time(), __FILENAME__, __LINE__, __func__, ##__VA_ARGS__)
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#else
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/* red color */
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#define log_error(M, ...) fprintf(stderr, "[%s] \33[1;31mERROR\33[0;39m [amlv4l2src %s:%d:%s] errno:%s" M "\n", \
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get_cur_time(), __FILE__, __LINE__, __func__, clean_errno(), ##__VA_ARGS__)
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/* yellow color */
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#define log_warn(M, ...) fprintf(stderr, "[%s] \33[1;33mWARN\33[0;39m [amlv4l2src %s:%d:%s] errno:%s" M "\n", \
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get_cur_time(), __FILE__, __LINE__, __func__, clean_errno(), ##__VA_ARGS__)
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/* blue color */
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#define log_info(M, ...) fprintf(stderr, "[%s] \33[1;34mINFO\33[0;39m [amlv4l2src %s:%d:%s]" M "\n", \
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get_cur_time(), __FILENAME__, __LINE__, __func__, ##__VA_ARGS__)
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#endif /* NOCOLORS */
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#if LOGLEVEL < 4
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#undef log_info
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#define log_info(M, ...)
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#endif
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#if LOGLEVEL < 2
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#undef log_warn
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#define log_warn(M, ...)
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#endif
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#if LOGLEVEL < 1
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#undef log_error
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#define log_error(M, ...)
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#endif
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#endif /* __LOG_H__ */
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