1 /*
2  * Copyright (C) 2021 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 <private/android_logger.h>
20 #include <sysutils/SocketListener.h>
21 
22 #include "LogBuffer.h"
23 #include "LogStatistics.h"
24 
25 /* Use SocketListener because it provides reader thread management and
26  * works well with the Trusty log device due to using poll() and not
27  * relying on blocking reads, which the Trusty log device does not support.
28  */
29 class TrustyLog : public SocketListener {
30     LogBuffer* logbuf;
31     void LogMsg(const char* msg, size_t len);
32 
33   public:
34     static void create(LogBuffer* buf);
35 
36   protected:
37     virtual bool onDataAvailable(SocketClient* cli);
38     TrustyLog(LogBuffer* buf, int fdRead);
39 };
40