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      1 /*
      2  * Copyright (C) 2012-2014 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_BUFFER_INTERFACE_H__
     18 #define _LOGD_LOG_BUFFER_INTERFACE_H__
     19 
     20 #include <sys/types.h>
     21 
     22 #include <android-base/macros.h>
     23 #include <log/log_id.h>
     24 #include <log/log_time.h>
     25 
     26 // Abstract interface that handles log when log available.
     27 class LogBufferInterface {
     28    public:
     29     LogBufferInterface();
     30     virtual ~LogBufferInterface();
     31     // Handles a log entry when available in LogListener.
     32     // Returns the size of the handled log message.
     33     virtual int log(log_id_t log_id, log_time realtime, uid_t uid, pid_t pid,
     34                     pid_t tid, const char* msg, unsigned short len) = 0;
     35 
     36     virtual uid_t pidToUid(pid_t pid);
     37     virtual pid_t tidToPid(pid_t tid);
     38 
     39    private:
     40     DISALLOW_COPY_AND_ASSIGN(LogBufferInterface);
     41 };
     42 
     43 #endif  // _LOGD_LOG_BUFFER_INTERFACE_H__
     44