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/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of NVIDIA CORPORATION nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <string.h>
#ifdef NVMEDIA_ANDROID
#define LOG_TAG "nvmedia_common"
#define LOG_NDEBUG 1
#include <utils/Log.h>
#endif
#ifdef NVMEDIA_QNX
#include <sys/slog.h>
#endif
#include "log_utils.h"
#ifdef NVMEDIA_QNX
#define NV_SLOGCODE 0xAAAA
#endif
#define MAX_STATS_LEN 500
#define LOG_BUFFER_BYTES 1024
static enum LogLevel msg_level = LEVEL_ERR;
static enum LogStyle msg_style = LOG_STYLE_NORMAL;
static FILE *msg_file = NULL;
void SetLogLevel(enum LogLevel level)
{
if (level > LEVEL_DBG)
return;
msg_level = level;
}
void SetLogStyle(enum LogStyle style)
{
if (style > LOG_STYLE_FUNCTION_LINE)
return;
msg_style = style;
}
void SetLogFile(FILE *logFileHandle)
{
if(!logFileHandle)
return;
msg_file = logFileHandle;
}
void LogLevelMessage(enum LogLevel level, const char *functionName,
int lineNumber, const char *format, ...)
{
va_list ap;
char str[LOG_BUFFER_BYTES] = {'\0',};
FILE *logFile = msg_file ? msg_file : stdout;
if (level > msg_level)
return;
#ifndef NVMEDIA_ANDROID
/** In the case of Android ADB log, if LOG_TAG is defined,
* before 'Log.h' is included in source file,
* LOG_TAG is automatically concatenated at the beginning of log message,
* so, we don't copy 'nvmedia: ' into 'str'.
*/
strcpy(str, "nvmedia: ");
/** As LOG_TAG is concatednated, log level is also automatically concatenated,
* by calling different ADB log function such as ALOGE(for eror log message),
* ALOGW(for warning log message).
*/
switch (level) {
case LEVEL_ERR:
strcat(str, "ERROR: ");
break;
case LEVEL_WARN:
strcat(str, "WARNING: ");
break;
case LEVEL_INFO:
case LEVEL_DBG:
// Empty
break;
}
#endif
va_start(ap, format);
vsnprintf(str + strlen(str), sizeof(str) - strlen(str), format, ap);
if(msg_style == LOG_STYLE_NORMAL) {
// Add trailing new line char
if(strlen(str) && str[strlen(str) - 1] != '\n')
strcat(str, "\n");
} else if(msg_style == LOG_STYLE_FUNCTION_LINE) {
// Remove trailing new line char
if(strlen(str) && str[strlen(str) - 1] == '\n')
str[strlen(str) - 1] = 0;
// Add function and line info
snprintf(str + + strlen(str), sizeof(str) - strlen(str), " at %s():%d\n", functionName, lineNumber);
}
#ifdef NVMEDIA_ANDROID
switch (msg_level) {
case LEVEL_ERR:
ALOGE("%s", str);
break;
case LEVEL_WARN:
ALOGW("%s", str);
break;
case LEVEL_INFO:
ALOGI("%s", str);
break;
case LEVEL_DBG:
ALOGD("%s", str);
break;
}
#else
fprintf(logFile, "%s", str);
#endif
#ifdef NVMEDIA_QNX
/* send to system logger */
slogf(_SLOG_SETCODE(NV_SLOGCODE, 0), _SLOG_ERROR, str);
#endif
va_end(ap);
}
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