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 struct SeverityTarget {
31   android::base::LogSeverity severity;
32   SharedFD target;
33 };
34 
35 class TeeLogger {
36 private:
37   std::vector<SeverityTarget> destinations_;
38 public:
39   TeeLogger(const std::vector<SeverityTarget>& destinations);
40   ~TeeLogger() = default;
41 
42   void operator()(
43       android::base::LogId log_id,
44       android::base::LogSeverity severity,
45       const char* tag,
46       const char* file,
47       unsigned int line,
48       const char* message);
49 };
50 
51 TeeLogger LogToFiles(const std::vector<std::string>& files);
52 TeeLogger LogToStderrAndFiles(const std::vector<std::string>& files);
53 
54 } // namespace cuttlefish
55