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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _SOCKETLISTENER_H
#define _SOCKETLISTENER_H
#include <pthread.h>
#include <unordered_map>
#include <sysutils/SocketClient.h>
#include "SocketClientCommand.h"
class SocketListener {
bool mListen;
const char *mSocketName;
int mSock;
std::unordered_map<int, SocketClient*> mClients;
pthread_mutex_t mClientsLock;
int mCtrlPipe[2];
pthread_t mThread;
bool mUseCmdNum;
public:
SocketListener(const char *socketName, bool listen);
SocketListener(const char *socketName, bool listen, bool useCmdNum);
SocketListener(int socketFd, bool listen);
virtual ~SocketListener();
int startListener();
int startListener(int backlog);
int stopListener();
void sendBroadcast(int code, const char *msg, bool addErrno);
void runOnEachSocket(SocketClientCommand *command);
bool release(SocketClient *c) { return release(c, true); }
protected:
virtual bool onDataAvailable(SocketClient *c) = 0;
private:
static void *threadStart(void *obj);
// Add all clients to a separate list, so we don't have to hold the lock
// while processing it.
std::vector<SocketClient*> snapshotClients();
bool release(SocketClient *c, bool wakeup);
void runListener();
void init(const char *socketName, int socketFd, bool listen, bool useCmdNum);
};
#endif