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https://github.com/team-infusion-developers/android_hardware_samsung.git
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0d4bbaf7f1
Change-Id: I00750bad812dc263e9c74a504b48512a892376c8
216 lines
6.7 KiB
C++
216 lines
6.7 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef RIL_UIM_SOCKET_H_INCLUDED
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#define RIL_UIM_SOCKET_H_INCLUDED
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#define RIL_SHLIB
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#include "telephony/ril.h"
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#include "RilSocket.h"
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#include <hardware/ril/librilutils/proto/sap-api.pb.h>
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/**
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* RilSapSocket is a derived class, derived from the RilSocket abstract
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* class, representing sockets for communication between bluetooth SAP module and
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* the ril daemon.
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* <p>
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* This class performs the following functions :
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* <ul>
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* <li>Initialize the socket.
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* <li>Process the requests coming on the socket.
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* <li>Provide handlers for Unsolicited and request responses.
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* <li>Request and pending response queue handling.
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* </ul>
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*/
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class RilSapSocket : public RilSocket {
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/**
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* Function pointer to the ril initialization funtion.
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*
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* @param Ril environment variable with place request and
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* response handlers and timeout handler.
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*
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* @param Number of arguements for the initialization function.
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*
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* @param Arguements to the initialization function used to
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* generate instance id of the ril daemon.
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*
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* @return Radio functions with handlers for onRequest, onStateRequest,
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* supports, onCancel and getVersion.
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*/
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RIL_RadioFunctions *(*UimInit)(const struct RIL_Env *, int argc, char **argv);
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/**
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* Place holder for the radio functions returned by the initialization
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* function. Currenty only onRequest handler is being used.
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*/
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RIL_RadioFunctions* uimFuncs;
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/**
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* Wrapper struct for handling the requests in the queue.
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*/
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typedef struct SapSocketRequest {
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int token;
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MsgHeader* curr;
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struct SapSocketRequest* p_next;
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RIL_SOCKET_ID socketId;
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} SapSocketRequest;
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/**
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* Queue for requests that are pending dispatch.
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*/
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Ril_queue<SapSocketRequest> dispatchQueue;
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/**
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* Queue for requests that are dispatched but are pending response
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*/
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Ril_queue<SapSocketRequest> pendingResponseQueue;
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public:
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/**
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* Initialize the socket and add the socket to the list.
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*
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* @param Name of the socket.
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* @param Radio functions to be used by the socket.
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*/
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static void initSapSocket(const char *socketName,
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RIL_RadioFunctions *uimFuncs);
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/**
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* Ril envoronment variable that holds the request and
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* unsol response handlers.
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*/
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static struct RIL_Env uimRilEnv;
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/**
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* Function to print the socket list.
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*/
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static void printList();
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/**
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* Dispatches the request to the lower layers.
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* It calls the on request function.
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*
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* @param request The request message.
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*/
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void dispatchRequest(MsgHeader *request);
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/**
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* Class method to get the socket from the socket list.
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*
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* @param socketId Socket id.
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* @return the sap socket.
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*/
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static RilSapSocket* getSocketById(RIL_SOCKET_ID socketId);
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/**
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* Datatype to handle the socket list.
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*/
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typedef struct RilSapSocketList {
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RilSapSocket* socket;
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RilSapSocketList *next;
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} RilSapSocketList;
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protected:
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/**
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* Socket handler to be called when a request has
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* been completed.
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*
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* @param Token associated with the request.
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* @param Error, if any, while processing the request.
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* @param The response payload.
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* @param Response payload length.
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*/
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void onRequestComplete(RIL_Token t,RIL_Errno e,
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void *response, size_t response_len);
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/**
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* Socket handler to be called when there is an
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* unsolicited response.
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*
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* @param Message id.
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* @param Response data.
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* @param Response data length.
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*/
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void onUnsolicitedResponse(int unsolResponse,
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void *data, size_t datalen);
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/**
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* Class method to add the sap socket to the list of sockets.
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* Does nothing if the socket is already present in the list.
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* Otherwise, calls the constructor of the parent class(To startlistening)
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* and add socket to the socket list.
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*/
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static void addSocketToList(const char *socketName, RIL_SOCKET_ID socketid,
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RIL_RadioFunctions *uimFuncs);
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/**
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* Check if a socket of the given name exists in the socket list.
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*
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* @param Socket name.
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* @return true if exists, false otherwise.
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*/
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static bool SocketExists(const char *socketName);
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private:
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/**
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* Constructor.
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*
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* @param Socket name.
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* @param Socket id.
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* @param Radio functions.
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*/
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RilSapSocket(const char *socketName,
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RIL_SOCKET_ID socketId,
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RIL_RadioFunctions *inputUimFuncs);
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/**
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* Class method that selects the socket on which the onRequestComplete
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* is called.
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*
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* @param Token associated with the request.
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* @param Error, if any, while processing the request.
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* @param The response payload.
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* @param Response payload length.
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*/
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static void sOnRequestComplete(RIL_Token t,
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RIL_Errno e, void *response, size_t responselen);
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#if defined(ANDROID_MULTI_SIM)
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/**
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* Class method that selects the socket on which the onUnsolicitedResponse
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* is called.
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*
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* @param Message id.
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* @param Response data.
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* @param Response data length.
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* @param Socket id.
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*/
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static void sOnUnsolicitedResponse(int unsolResponse, const void *data,
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size_t datalen, RIL_SOCKET_ID socket_id);
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#else
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/**
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* Class method that selects the socket on which the onUnsolicitedResponse
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* is called.
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*
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* @param Message id.
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* @param Response data.
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* @param Response data length.
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*/
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static void sOnUnsolicitedResponse(int unsolResponse, const void *data,
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size_t datalen);
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#endif
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};
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#endif /*RIL_UIM_SOCKET_H_INCLUDED*/
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