66 lines
2.2 KiB
C++
Executable file
66 lines
2.2 KiB
C++
Executable file
/*
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* Copyright 2014 The Android Open Source Project
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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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#ifndef SYSTEM_KEYMASTER_LOGGER_H_
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#define SYSTEM_KEYMASTER_LOGGER_H_
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#include <stdarg.h>
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class Logger {
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public:
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Logger() {}
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virtual ~Logger() {}
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enum LogLevel {
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DEBUG_LVL, // Messages used only for debugging
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INFO_LVL, // Informational messages; something is unusual but not wrong
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WARNING_LVL, // There's an indication of trouble, but it may be okay.
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ERROR_LVL, // A problem has occurred, but processing can continue
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SEVERE_LVL, // A severe problem has occurred; likely indicates a defect.
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};
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virtual int log_msg(LogLevel level, const char* fmt, va_list args) const = 0;
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static int Log(LogLevel level, const char* fmt, va_list args);
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static int Log(LogLevel level, const char* fmt, ...);
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static int Debug(const char* fmt, ...);
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static int Info(const char* fmt, ...);
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static int Warning(const char* fmt, ...);
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static int Error(const char* fmt, ...);
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static int Severe(const char* fmt, ...);
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protected:
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static void set_instance(Logger* logger) { instance_ = logger; }
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private:
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// Disallow copying.
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Logger(const Logger&);
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void operator=(const Logger&);
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static Logger* instance_;
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};
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#define STR(x) #x
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#define STRINGIFY(x) STR(x)
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#define FILE_LINE __FILE__ ", Line " STRINGIFY(__LINE__) ": "
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#define LOG_D(fmt, ...) Logger::Debug(FILE_LINE fmt, __VA_ARGS__)
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#define LOG_I(fmt, ...) Logger::Info(FILE_LINE fmt, __VA_ARGS__)
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#define LOG_W(fmt, ...) Logger::Warning(FILE_LINE fmt, __VA_ARGS__)
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#define LOG_E(fmt, ...) Logger::Error(FILE_LINE fmt, __VA_ARGS__)
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#define LOG_S(fmt, ...) Logger::Severe(FILE_LINE fmt, __VA_ARGS__)
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#endif
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