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 
17 #pragma once
18 
19 #include <string>
20 
21 #include <log/log_read.h>
22 
23 // An interface for writing logs to a reader.
24 class LogWriter {
25   public:
LogWriter(uid_t uid,bool privileged)26     LogWriter(uid_t uid, bool privileged) : uid_(uid), privileged_(privileged) {}
~LogWriter()27     virtual ~LogWriter() {}
28 
29     virtual bool Write(const logger_entry& entry, const char* msg) = 0;
Shutdown()30     virtual void Shutdown() {}
Release()31     virtual void Release() {}
32 
33     virtual std::string name() const = 0;
uid()34     uid_t uid() const { return uid_; }
35 
privileged()36     bool privileged() const { return privileged_; }
37 
38   private:
39     uid_t uid_;
40 
41     // If this writer sees logs from all UIDs or only its own UID.  See clientHasLogCredentials().
42     bool privileged_;
43 };