1 /*
2  * Copyright (C) 2014 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 #ifndef _LOGD_LOG_AUDIT_H__
18 #define _LOGD_LOG_AUDIT_H__
19 
20 #include <queue>
21 
22 #include <sysutils/SocketListener.h>
23 
24 #include "LogBuffer.h"
25 
26 class LogReader;
27 
28 class LogAudit : public SocketListener {
29     LogBuffer* logbuf;
30     LogReader* reader;
31     int fdDmesg;  // fdDmesg >= 0 is functionally bool dmesg
32     bool main;
33     bool events;
34     bool initialized;
35 
36     bool tooFast;
37     int mSock;
38     std::queue<log_time> bucket;
39     void checkRateLimit();
40 
41    public:
42     LogAudit(LogBuffer* buf, LogReader* reader, int fdDmesg);
43     int log(char* buf, size_t len);
isMonotonic()44     bool isMonotonic() {
45         return logbuf->isMonotonic();
46     }
47 
48    protected:
49     virtual bool onDataAvailable(SocketClient* cli);
50 
51    private:
52     static int getLogSocket();
53     int logPrint(const char* fmt, ...)
54         __attribute__((__format__(__printf__, 2, 3)));
55 };
56 
57 #endif
58