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/*
* Copyright (C) 2014 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 RIL_SOCKET_H_INCLUDED
#define RIL_SOCKET_H_INCLUDED
#include "ril_ex.h"
#include "rilSocketQueue.h"
#include <ril_event.h>
using namespace std;
/**
* Abstract socket class representing sockets in rild.
* <p>
* This class performs the following functions :
* <ul>
* <li> Start socket listen.
* <li> Handle socket listen and command callbacks.
* </ul>
*/
class RilSocket {
protected:
/**
* Socket name.
*/
const char* name;
/**
* Socket id.
*/
RIL_SOCKET_ID id;
/**
* Listen socket file descriptor.
*/
int listenFd = -1;
/**
* Commands socket file descriptor.
*/
int commandFd = -1;
/**
* Socket request loop thread id.
*/
pthread_t socketThreadId;
/**
* Listen event callack. Callback called when the other ends does accept.
*/
ril_event_cb listenCb;
/**
* Commands event callack.Callback called when there are requests from the other side.
*/
ril_event_cb commandCb;
/**
* Listen event to be added to eventloop after socket listen.
*/
struct ril_event listenEvent;
/**
* Commands event to be added to eventloop after accept.
*/
struct ril_event callbackEvent;
/**
* Static socket listen handler. Chooses the socket to call the listen callback
* from ril.cpp.
*
* @param Listen fd.
* @param flags.
* @param Parameter for the listen handler.
*/
static void sSocketListener(int fd, short flags, void *param);
/**
* Static socket request handler. Chooses the socket to call the request handler on.
*
* @param Commands fd.
* @param flags.
* @param Parameter for the request handler.
*/
static void sSocketRequestsHandler(int fd, short flags, void *param);
/**
* Process record from the record stream and push the requests onto the queue.
*
* @param record data.
* @param record length.
*/
virtual void pushRecord(void *record, size_t recordlen) = 0;
/**
* Socket lock for writing data on the socket.
*/
pthread_mutex_t write_lock = PTHREAD_MUTEX_INITIALIZER;
/**
* The loop to process the incoming requests.
*/
virtual void *processRequestsLoop(void) = 0;
private:
friend void *::ril_socket_process_requests_loop(void *arg);
public:
/**
* Constructor.
*
* @param Socket name.
* @param Socket id.
*/
RilSocket(const char* socketName, RIL_SOCKET_ID socketId) {
name = socketName;
id = socketId;
}
/**
* Clean up function on commands socket close.
*/
virtual void onCommandsSocketClosed(void) = 0;
/**
* Function called on new commands socket connect. Request loop thread is started here.
*/
void onNewCommandConnect(void);
/**
* Set listen socket fd.
*
* @param Input fd.
*/
void setListenFd(int listenFd);
/**
* Set commands socket fd.
*
* @param Input fd.
*/
void setCommandFd(int commandFd);
/**
* Get listen socket fd.
*
* @return Listen fd.
*/
int getListenFd(void);
/**
* Get commands socket fd.
*
* @return Commands fd.
*/
int getCommandFd(void);
/**
* Set listen event callback.
*
* @param Input event callback.
*/
void setListenCb(ril_event_cb listenCb);
/**
* Set command event callback.
*
* @param Input event callback.
*/
void setCommandCb(ril_event_cb commandCb);
/**
* Get listen event callback.
*
* @return Listen event callback.
*/
ril_event_cb getListenCb(void);
/**
* Gey command event callback.
*
* @return Command event callback.
*/
ril_event_cb getCommandCb(void);
/**
* Set listen event.
*
* @param Input event.
*/
void setListenEvent(ril_event listenEvent);
/**
* Set command callback event.
*
* @param Input event.
*/
void setCallbackEvent(ril_event commandEvent);
/**
* Get listen event.
*
* @return Listen event.
*/
ril_event* getListenEvent(void);
/**
* Get commands callback event.
*
* @return Commands callback event.
*/
ril_event* getCallbackEvent(void);
virtual ~RilSocket(){}
protected:
/**
* Start listening on the socket and add the socket listen callback event.
*
* @return Result of the socket listen.
*/
int socketInit(void);
/**
* Socket request handler
*
* @param Commands fd.
* @param flags.
* @param Record stream.
*/
void socketRequestsHandler(int fd, short flags, RecordStream *rs);
};
class socketClient {
public:
RilSocket *socketPtr;
RecordStream *rs;
socketClient(RilSocket *socketPtr, RecordStream *rs) {
this->socketPtr = socketPtr;
this->rs = rs;
}
};
typedef struct MySocketListenParam {
SocketListenParam sListenParam;
RilSocket *socket;
} MySocketListenParam;
typedef void* (RilSocket::*RilSocketFuncPtr)(void);
typedef void (RilSocket::*RilSocketEventPtr)(int fd,short flags, void *param);
typedef void* (*PthreadPtr)(void*);
#endif
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