/*
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* Copyright 2015 Rockchip Electronics Co. LTD
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define MODULE_TAG "mpp_log"
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include "mpp_env.h"
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#include "mpp_debug.h"
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#include "mpp_common.h"
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#include "os_log.h"
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#define MPP_LOG_MAX_LEN 256
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#ifdef __cplusplus
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extern "C" {
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#endif
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RK_U32 mpp_debug = 0;
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// TODO: add log timing information and switch flag
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static const char *msg_log_warning = "log message is long\n";
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static const char *msg_log_nothing = "\n";
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static int mpp_log_level = MPP_LOG_INFO;
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static void __mpp_log(os_log_callback func, const char *tag, const char *fmt,
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const char *fname, va_list args)
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{
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char msg[MPP_LOG_MAX_LEN + 1];
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char *tmp = msg;
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const char *buf = fmt;
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size_t len_fmt = strnlen(fmt, MPP_LOG_MAX_LEN);
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size_t len_name = (fname) ? (strnlen(fname, MPP_LOG_MAX_LEN)) : (0);
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size_t buf_left = MPP_LOG_MAX_LEN;
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size_t len_all = len_fmt + len_name;
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if (NULL == tag)
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tag = MODULE_TAG;
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if (len_name) {
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buf = msg;
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buf_left -= snprintf(msg, buf_left, "%s ", fname);
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tmp += len_name + 1;
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}
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if (len_all == 0) {
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buf = msg_log_nothing;
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} else if (len_all >= MPP_LOG_MAX_LEN) {
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buf_left -= snprintf(tmp, buf_left, "%s", msg_log_warning);
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buf = msg;
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} else {
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snprintf(tmp, buf_left, "%s", fmt);
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if (fmt[len_fmt - 1] != '\n') {
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tmp[len_fmt] = '\n';
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tmp[len_fmt + 1] = '\0';
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}
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buf = msg;
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}
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func(tag, buf, args);
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}
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void _mpp_log(const char *tag, const char *fmt, const char *fname, ...)
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{
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va_list args;
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mpp_logw("warning: use new logx function\n");
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va_start(args, fname);
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__mpp_log(os_log_info, tag, fmt, fname, args);
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va_end(args);
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}
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void _mpp_err(const char *tag, const char *fmt, const char *fname, ...)
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{
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va_list args;
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mpp_logw("warning: use new logx function\n");
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va_start(args, fname);
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__mpp_log(os_log_error, tag, fmt, fname, args);
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va_end(args);
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}
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void _mpp_log_l(int level, const char *tag, const char *fmt, const char *fname, ...)
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{
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static os_log_callback log_func[] = {
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NULL, /* MPP_LOG_DEFAULT */
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os_log_fatal, /* MPP_LOG_FATAL */
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os_log_error, /* MPP_LOG_ERROR */
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os_log_warn, /* MPP_LOG_WARN */
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os_log_info, /* MPP_LOG_INFO */
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os_log_debug, /* MPP_LOG_DEBUG */
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os_log_trace, /* MPP_LOG_VERBOSE */
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os_log_info, /* MPP_LOG_DEFAULT */
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};
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va_list args;
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int log_level;
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if (level <= MPP_LOG_UNKNOWN || level >= MPP_LOG_SILENT)
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return;
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log_level = mpp_log_level;
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if (log_level >= MPP_LOG_SILENT)
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return;
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if (level > log_level)
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return;
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va_start(args, fname);
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__mpp_log(log_func[level], tag, fmt, fname, args);
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va_end(args);
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}
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void mpp_set_log_level(int level)
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{
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if (level <= MPP_LOG_UNKNOWN || level > MPP_LOG_SILENT) {
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mpp_logw("log level should in range [%d : %d] invalid intput %d\n",
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MPP_LOG_FATAL, MPP_LOG_SILENT, level);
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level = MPP_LOG_INFO;
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}
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mpp_log_level = level;
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}
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int mpp_get_log_level(void)
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{
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int level;
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mpp_env_get_u32("mpp_log_level", (RK_U32 *)&level, mpp_log_level);
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if (level <= MPP_LOG_UNKNOWN || level > MPP_LOG_SILENT)
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level = MPP_LOG_INFO;
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mpp_log_level = level;
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return level;
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}
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#ifdef __cplusplus
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}
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#endif
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