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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef CHRE_HOST_LOG_H_
#define CHRE_HOST_LOG_H_
#ifndef LOG_TAG
#define LOG_TAG "CHRE"
#endif
#include <log/log.h>
namespace android::chre {
/**
* Logs a message to both logcat and stdout/stderr. Don't use this directly;
* prefer one of LOGE, LOGW, etc.
*
* @param level android log level, e.g., ANDROID_LOG_ERROR
* @param stream output stream to print to, e.g., stdout
* @param format printf-style format string
* @param func the function name included in the log, e.g., __func__
* @param line line number included in the log
*/
void outputHostLog(int priority, FILE *stream, const char *format,
const char *func, unsigned int line, ...);
} // namespace android::chre
#define LOGE(format, ...) \
::android::chre::outputHostLog(ANDROID_LOG_ERROR, stderr, format, __func__, \
__LINE__, ##__VA_ARGS__)
#define LOGW(format, ...) \
::android::chre::outputHostLog(ANDROID_LOG_WARN, stdout, format, __func__, \
__LINE__, ##__VA_ARGS__)
#define LOGI(format, ...) \
::android::chre::outputHostLog(ANDROID_LOG_INFO, stdout, format, __func__, \
__LINE__, ##__VA_ARGS__)
#define LOGD(format, ...) \
::android::chre::outputHostLog(ANDROID_LOG_DEBUG, stdout, format, __func__, \
__LINE__, ##__VA_ARGS__)
#if LOG_NDEBUG
__attribute__((format(printf, 1, 2))) inline void chreLogNull(
const char * /*fmt*/, ...) {}
#define LOGV(format, ...) chreLogNull(format, ##__VA_ARGS__)
#else
#define LOGV(format, ...) \
::android::chre::outputHostLog(ANDROID_LOG_VERBOSE, stdout, format, \
__func__, __LINE__, ##__VA_ARGS__)
#endif
/**
* Helper to log a library error with a human-readable version of the provided
* error code.
*
* @param message Error message string to log
* @param error_code Standard error code number (EINVAL, etc)
*/
#define LOG_ERROR(message, error_code) \
do { \
char error_string[64]; \
strerror_r(error_code, error_string, sizeof(error_string)); \
LOGE("%s: %s (%d)\n", message, error_string, error_code); \
} while (0)
#endif // CHRE_HOST_LOG_H_
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