1 // 2 // Copyright (C) 2020 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 16 #pragma once 17 18 #include <string> 19 #include <vector> 20 21 #include <android-base/logging.h> 22 23 #include "common/libs/fs/shared_fd.h" 24 25 namespace cuttlefish { 26 27 android::base::LogSeverity ConsoleSeverity(); 28 android::base::LogSeverity LogFileSeverity(); 29 30 enum class MetadataLevel { 31 FULL, 32 ONLY_MESSAGE, 33 }; 34 35 struct SeverityTarget { 36 android::base::LogSeverity severity; 37 SharedFD target; 38 MetadataLevel metadata_level; 39 }; 40 41 class TeeLogger { 42 private: 43 std::vector<SeverityTarget> destinations_; 44 public: 45 TeeLogger(const std::vector<SeverityTarget>& destinations, 46 const std::string& log_prefix = ""); 47 ~TeeLogger() = default; 48 49 void operator()(android::base::LogId log_id, 50 android::base::LogSeverity severity, const char* tag, 51 const char* file, unsigned int line, const char* message); 52 53 private: 54 std::string prefix_; 55 }; 56 57 TeeLogger LogToFiles(const std::vector<std::string>& files, 58 const std::string& log_prefix = ""); 59 TeeLogger LogToStderrAndFiles(const std::vector<std::string>& files, 60 const std::string& log_prefix = ""); 61 62 } // namespace cuttlefish 63