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ce_cdm/util/include/log.h
2019-03-29 18:16:05 -07:00

56 lines
1.7 KiB
C++

// Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.
//
// Log - Platform independent interface for a Logging class
//
#ifndef WVCDM_UTIL_LOG_H_
#define WVCDM_UTIL_LOG_H_
#include "util_common.h"
namespace wvcdm {
// Simple logging class. The implementation is platform dependent.
typedef enum {
// This log level should only be used for |g_cutoff|, in order to silence all
// logging. It should never be passed to |Log()| as a log level.
LOG_SILENT = -1,
LOG_ERROR = 0,
LOG_WARN = 1,
LOG_INFO = 2,
LOG_DEBUG = 3,
LOG_VERBOSE = 4,
} LogPriority;
extern LogPriority g_cutoff;
// Enable/disable verbose logging (LOGV).
// This function is supplied for cases where the system layer does not
// initialize logging. This is also needed to initialize logging in
// unit tests.
CORE_UTIL_EXPORT void InitLogging();
CORE_UTIL_EXPORT void Log(
const char* file, const char* function, int line, LogPriority level,
const char* fmt, ...);
// Log APIs
#ifndef LOGE
#define LOGE(...) Log(__FILE__, __func__, __LINE__, \
wvcdm::LOG_ERROR, __VA_ARGS__)
#define LOGW(...) Log(__FILE__, __func__, __LINE__, \
wvcdm::LOG_WARN, __VA_ARGS__)
#define LOGI(...) Log(__FILE__, __func__, __LINE__, \
wvcdm::LOG_INFO, __VA_ARGS__)
#define LOGD(...) Log(__FILE__, __func__, __LINE__, \
wvcdm::LOG_DEBUG, __VA_ARGS__)
#define LOGV(...) Log(__FILE__, __func__, __LINE__, \
wvcdm::LOG_VERBOSE, __VA_ARGS__)
#endif
} // namespace wvcdm
#endif // WVCDM_UTIL_LOG_H_