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https://github.com/slsdetectorgroup/slsDetectorPackage.git
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gui client works for just getting status
git-svn-id: file:///afs/psi.ch/project/sls_det_software/svn/slsDetectorGui@149 af1100a4-978c-4157-bff7-07162d2ba061
This commit is contained in:
l_maliakal_d
256
slsDetectorGui/src/qServer.cpp
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256
slsDetectorGui/src/qServer.cpp
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/*
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* qServer.cpp
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*
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* Created on: Feb 27, 2013
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* Author: Dhanya Maliakal
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*/
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// Qt Project Class Headers
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#include "qServer.h"
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#include "qTabMeasurement.h"
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#include "qDrawPlot.h"
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// Project Class Headers
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#include "slsDetector.h"
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#include "multiSlsDetector.h"
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#include "MySocketTCP.h"
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// C++ Include Headers
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#include <iostream>
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#include <string>
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using namespace std;
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//-------------------------------------------------------------------------------------------------------------------------------------------------
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int qServer::gui_server_thread_running(0);
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//-------------------------------------------------------------------------------------------------------------------------------------------------
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qServer::qServer(multiSlsDetector*& detector, qTabMeasurement* m, qDrawPlot *d):
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myDet(detector),tab_measurement(m),myPlot(d),mySocket(NULL),port_no(DEFAULT_GUI_PORTNO),lockStatus(0){
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function_table();
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------
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qServer::~qServer(){
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delete myDet;
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delete tab_measurement;
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delete myPlot;
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if(mySocket) delete mySocket;
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------
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int qServer::function_table(){
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for (int i=0;i<NUMBER_OF_FUNCTIONS;i++)
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flist[i]=&qServer::M_nofunc;
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flist[F_GET_RUN_STATUS] = &qServer::get_status;
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flist[F_START_ACQUISITION] = &qServer::get_status;
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flist[F_STOP_ACQUISITION] = &qServer::get_status;
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flist[F_START_AND_READ_ALL] = &qServer::get_status;
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flist[F_EXIT_SERVER] = &qServer::get_status;
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return qDefs::OK;
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}
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//------------------------------------------------------------------------------------------------------------------------------------------
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int qServer::decode_function(){
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int ret = qDefs::FAIL;
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int n,fnum;
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#ifdef VERYVERBOSE
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cout << "receive data" << endl;
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#endif
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n = mySocket->ReceiveDataOnly(&fnum,sizeof(fnum));
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if (n <= 0) {
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#ifdef VERYVERBOSE
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cout << "ERROR reading from socket " << n << ", " << fnum << endl;
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#endif
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return qDefs::FAIL;
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}
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#ifdef VERYVERBOSE
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else
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cout << "size of data received " << n <<endl;
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#endif
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#ifdef VERYVERBOSE
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cout << "calling function fnum = "<< fnum << hex << ":"<< flist[fnum] << endl;
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#endif
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if (fnum<0 || fnum>NUMBER_OF_FUNCTIONS-1)
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fnum = NUMBER_OF_FUNCTIONS-1;
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//calling function
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(this->*flist[fnum])();
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if (ret==qDefs::FAIL)
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cout << "Error executing the function = " << fnum << endl;
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return ret;
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}
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//------------------------------------------------------------------------------------------------------------------------------------------
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int qServer::M_nofunc(){
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int ret = qDefs::FAIL;
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sprintf(mess,"Unrecognized Function\n");
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cout << mess << endl;
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mySocket->SendDataOnly(&ret,sizeof(ret));
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mySocket->SendDataOnly(mess,sizeof(mess));
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return GOODBYE;
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------
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int qServer::StartStopServer(int start){
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//start server
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if(start){
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#ifdef VERBOSE
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cout << endl << "Starting Gui Server" << endl;
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#endif
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if(!gui_server_thread_running){
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#ifdef VERBOSE
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cout << "Starting gui server thread ...." << endl;
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#endif
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gui_server_thread_running=1;
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checkStarted=1;
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//error creating thread
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if (pthread_create(&gui_server_thread, NULL,StartServerThread, (void*) this)){
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gui_server_thread_running=0;
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qDefs::Message(qDefs::WARNING,"Can't create gui server thread", "Server");
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return 0;
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}
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while(checkStarted);
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checkStarted=0;
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#ifdef VERBOSE
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if(gui_server_thread_running)
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cout << "Server thread created successfully." << endl;
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#endif
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}
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}
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//stop server
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else{
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#ifdef VERBOSE
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cout << "Stopping Gui Server" << endl;
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#endif
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if(gui_server_thread_running){
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#ifdef VERBOSE
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cout << "Stopping gui server thread ...." << endl;
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#endif
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gui_server_thread_running=0;
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mySocket->Disconnect();
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mySocket->ShutDownSocket();
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pthread_join(gui_server_thread,NULL);
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delete mySocket;
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mySocket = NULL;
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}
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#ifdef VERBOSE
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cout << "Server stopped successfully." << endl;
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#endif
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}
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return gui_server_thread_running;
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------
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void* qServer::StartServerThread(void* this_pointer){
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((qServer*)this_pointer)->StartServer();
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return this_pointer;
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------
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int qServer::StartServer(){
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#ifdef VERYVERBOSE
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cout << "In StartServer()\n");
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#endif
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int ret = qDefs::OK;
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mySocket = new MySocketTCP(port_no);
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if (mySocket->getErrorStatus()){
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gui_server_thread_running = 0;
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qDefs::Message(qDefs::WARNING,"Could not start gui server socket","Server");
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}
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checkStarted = 0;
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while ((gui_server_thread_running) && (ret!=GOODBYE)) {
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#ifdef VERBOSE
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cout<< endl;
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#endif
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#ifdef VERYVERBOSE
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cout << "Waiting for client call" << endl;
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#endif
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if(mySocket->Connect()>=0){
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#ifdef VERYVERBOSE
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cout << "Conenction accepted" << endl;
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#endif
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ret = decode_function();
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#ifdef VERYVERBOSE
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cout << "function executed" << endl;
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#endif
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mySocket->Disconnect();
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#ifdef VERYVERBOSE
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cout << "connection closed" << endl;
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#endif
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}
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}
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#ifdef VERBOSE
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cout << "Stopped gui server thread" << endl;
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#endif
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gui_server_thread_running = 0;
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return qDefs::OK;
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------
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int qServer::get_status(){
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int ret = qDefs::OK;
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enum slsDetectorDefs::runStatus retval;
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// execute action if the arguments correctly arrived
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if(myPlot->isRunning())
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retval = slsDetectorDefs::RUNNING;
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else
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retval = slsDetectorDefs::IDLE;
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// send answer
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mySocket->SendDataOnly(&ret,sizeof(ret));
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mySocket->SendDataOnly(&retval,sizeof(retval));
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//return ok/fail
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return ret;
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}
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//------------------------------------------------------------------------------------------------------------------------------------------
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