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/*------------------------------------------------------------------------------
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-- This file is a part of the SocExplorer Software
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-- Copyright (C) 2014, Plasma Physics Laboratory - CNRS
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 3 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-------------------------------------------------------------------------------*/
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/*-- Author : Alexis Jeandet
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-- Mail : alexis.jeandet@member.fsf.org
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----------------------------------------------------------------------------*/
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#include "abstractspwbridge.h"
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#include <QTime>
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#include <socexplorerengine.h>
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abstractSpwBridge::abstractSpwBridge(socexplorerplugin *parent)
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:QObject((QObject*)parent)
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{
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this->plugin = parent;
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this->p_GUI=NULL;
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}
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abstractSpwBridge::~abstractSpwBridge()
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{
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// delete this->p_GUI;
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}
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QWidget *abstractSpwBridge::getGUI()
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{
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return this->p_GUI;
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}
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bool abstractSpwBridge::connectBridge()
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{
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return false;
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}
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bool abstractSpwBridge::disconnectBridge()
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{
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return false;
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}
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abstractSpwManager::abstractSpwManager(socexplorerplugin *plugin, QObject *parent)
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:QThread((QObject*)parent)
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{
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this->RMAPtimeout = 2000;
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this->handleMutex = new QMutex(QMutex::NonRecursive);
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this->RMAP_AnswersSem = new QSemaphore(0);
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this->RMAP_AnswersMtx=new QMutex(QMutex::Recursive);
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this->RMAP_pending_transaction_IDsMtx=new QMutex(QMutex::Recursive);
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this->plugin = plugin;
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connected = false;
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}
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abstractSpwManager::~abstractSpwManager()
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{
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this->requestInterruption();
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while(!this->isFinished());
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}
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int abstractSpwManager::getRMAPtransactionID()
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{
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this->RMAP_pending_transaction_IDsMtx->lock();
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int ID=0;
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bool found=true;
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while(ID<511)
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{
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for(int i=0;i<RMAP_pending_transaction_IDs.count();i++)
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{
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if(RMAP_pending_transaction_IDs[i]==ID)found=false;
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}
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if(found==true)break;
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ID++;
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found = true;
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}
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if(found)
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{
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RMAP_pending_transaction_IDs.append(ID);
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}
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this->RMAP_pending_transaction_IDsMtx->unlock();
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return ID;
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}
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int abstractSpwManager::getRMAPanswer(int transactionID, char **buffer)
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{
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QTime timeout;
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*buffer=NULL;
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int count=0;
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SocExplorerEngine::message(this->plugin,"Looking for RMAP answer",2);
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qApp->processEvents();
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timeout.start();
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while (*buffer==NULL)
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{
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this->RMAP_AnswersMtx->lock();
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SocExplorerEngine::message(this->plugin,"Got exclusive access on RMAP_Answers stack",2);
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SocExplorerEngine::message(this->plugin,QString("%1 packet(s) available in RMAP_Answers stack").arg(RMAP_Answers.count()),2);
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for(int i=0;i<RMAP_Answers.count();i++)
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{
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SocExplorerEngine::message(this->plugin,QString("Packet %1 ID=%2").arg(i).arg(RMAP_Answers[i]->transactionID),2);
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if(RMAP_Answers[i]->transactionID==transactionID)
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{
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this->RMAP_pending_transaction_IDsMtx->lock();
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SocExplorerEngine::message(this->plugin,"Got exclusive access on RMAP_pending_transaction_ID stack",2);
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for(int j=0;j<RMAP_pending_transaction_IDs.count();j++)
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{
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if(RMAP_pending_transaction_IDs[j]==transactionID)
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{
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RMAP_pending_transaction_IDs.removeAt(j);
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}
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}
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this->RMAP_pending_transaction_IDsMtx->unlock();
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*buffer = RMAP_Answers[i]->data;
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count = RMAP_Answers[i]->len;
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RMAP_Answer* tmp=RMAP_Answers[i];
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RMAP_Answers.removeAt(i);
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delete tmp;
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}
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}
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this->RMAP_AnswersMtx->unlock();
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//if no answer found in the stack wait until a new packet is pushed
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SocExplorerEngine::message(this->plugin,"waiting until a new packet is pushed",2);
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if(*buffer==NULL)
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{
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while (0==this->RMAP_AnswersSem->available())
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{
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SocExplorerEngine::message(this->plugin,QString("this->RMAP_AnswersSem->available() = %1").arg(this->RMAP_AnswersSem->available()),2);
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if(timeout.elapsed()>=RMAPtimeout)
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{
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SocExplorerEngine::message(this->plugin,"Timeout reached giving up!",2);
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return -1;
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}
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usleep(1000);
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qApp->processEvents();
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}
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this->RMAP_AnswersSem->acquire();
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}
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}
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return count;
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}
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int abstractSpwManager::getLinkNumber()
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{
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return this->linkNumber;
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}
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void abstractSpwManager::pushRmapPacket(char *packet, int len)
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{
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char* packetbuffer = (char*)malloc(len);
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memcpy(packetbuffer,packet,len);
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RMAP_Answer* RMPAPpacket=new RMAP_Answer(RMAP_get_transactionID(packetbuffer+1),packetbuffer,len);
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RMAP_AnswersMtx->lock();
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RMAP_Answers.append(RMPAPpacket);
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RMAP_AnswersMtx->unlock();
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}
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