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      1 /*
      2  * Copyright (C) 2008 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 #ifndef _SOCKETLISTENER_H
     17 #define _SOCKETLISTENER_H
     18 
     19 #include <pthread.h>
     20 
     21 #include <sysutils/SocketClient.h>
     22 
     23 class SocketListener {
     24     bool                    mListen;
     25     const char              *mSocketName;
     26     int                     mSock;
     27     SocketClientCollection  *mClients;
     28     pthread_mutex_t         mClientsLock;
     29     int                     mCtrlPipe[2];
     30     pthread_t               mThread;
     31     bool                    mUseCmdNum;
     32 
     33 public:
     34     SocketListener(const char *socketName, bool listen);
     35     SocketListener(const char *socketName, bool listen, bool useCmdNum);
     36     SocketListener(int socketFd, bool listen);
     37 
     38     virtual ~SocketListener();
     39     int startListener();
     40     int stopListener();
     41 
     42     void sendBroadcast(int code, const char *msg, bool addErrno);
     43 
     44 protected:
     45     virtual bool onDataAvailable(SocketClient *c) = 0;
     46 
     47 private:
     48     static void *threadStart(void *obj);
     49     void runListener();
     50     void init(const char *socketName, int socketFd, bool listen, bool useCmdNum);
     51 };
     52 #endif
     53