1 /*
2 * Copyright (C) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #ifndef CORE_LOG_LOGGER_H
17 #define CORE_LOG_LOGGER_H
18
19 #include <mutex>
20 #include <set>
21
22 #include <base/containers/string.h>
23 #include <base/containers/vector.h>
24 #include <core/log.h>
25 #include <core/namespace.h>
26
CORE_BEGIN_NAMESPACE()27 CORE_BEGIN_NAMESPACE()
28 class Logger : public ILogger {
29 public:
30 static BASE_NS::string_view GetLogLevelName(LogLevel logLevel, bool shortName);
31
32 explicit Logger(bool defaultOutputs);
33 ~Logger() override;
34
35 void VLog(LogLevel logLevel, const BASE_NS::string_view filename, int lineNumber, const BASE_NS::string_view format,
36 va_list args) override;
37 void VLogOnce(const BASE_NS::string_view id, LogLevel logLevel, const BASE_NS::string_view filename, int lineNumber,
38 const BASE_NS::string_view format, va_list args) override;
39 bool VLogAssert(const BASE_NS::string_view filename, int lineNumber, bool expression,
40 const BASE_NS::string_view expressionString, const BASE_NS::string_view format, va_list args) override;
41
42 FORMAT_FUNC(5, 6)
43 void Log(LogLevel logLevel, const BASE_NS::string_view filename, int lineNumber,
44 FORMAT_ATTRIBUTE const char* format, ...) override;
45
46 FORMAT_FUNC(6, 7)
47 bool LogAssert(const BASE_NS::string_view filename, int lineNumber, bool expression,
48 const BASE_NS::string_view expressionString, FORMAT_ATTRIBUTE const char* format, ...) override;
49
50 LogLevel GetLogLevel() const override;
51 void SetLogLevel(LogLevel logLevel) override;
52
53 void AddOutput(IOutput::Ptr output) override;
54 void CheckOnceReset() override;
55
56 // IInterface
57 const IInterface* GetInterface(const BASE_NS::Uid& uid) const override;
58 IInterface* GetInterface(const BASE_NS::Uid& uid) override;
59 void Ref() override;
60 void Unref() override;
61
62 private:
63 LogLevel logLevel_ = LogLevel::LOG_VERBOSE;
64 std::mutex loggerMutex_;
65
66 BASE_NS::vector<char> buffer_;
67 BASE_NS::vector<IOutput::Ptr> outputs_;
68 std::set<BASE_NS::string> registeredOnce_; // Global set of ids used by the CORE_ONCE macro.
69 std::mutex onceMutex_;
70 };
71 CORE_END_NAMESPACE()
72
73 #endif // CORE_LOG_LOGGER_H
74