95 lines
1.9 KiB
C++
95 lines
1.9 KiB
C++
#include "canconmanager.h"
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CANConManager* CANConManager::mInstance = NULL;
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CANConManager* CANConManager::getInstance()
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{
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if(!mInstance)
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mInstance = new CANConManager();
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return mInstance;
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}
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CANConManager::CANConManager(QObject *parent): QObject(parent)
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{
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connect(&mTimer, SIGNAL(timeout()), this, SLOT(refreshCanList()));
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mTimer.setInterval(250); /*tick 4 times a second */
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mTimer.setSingleShot(false);
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mTimer.start();
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}
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CANConManager::~CANConManager()
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{
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mTimer.stop();
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mInstance = NULL;
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}
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void CANConManager::add(CANConnection* pConn_p)
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{
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connect(pConn_p, SIGNAL(notify()), this, SLOT(refreshCanList()));
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mConns.append(pConn_p);
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}
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void CANConManager::remove(CANConnection* pConn_p)
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{
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disconnect(pConn_p, 0, this, 0);
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mConns.removeOne(pConn_p);
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}
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void CANConManager::refreshCanList()
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{
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QObject* sender_p = QObject::sender();
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if( sender_p != &mTimer)
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{
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/* if we are not the sender, the signal is coming from a connection */
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/* refresh only the given connection */
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if(mConns.contains((CANConnection*) sender_p))
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refreshConnection((CANConnection*)sender_p);
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}
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else
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{
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foreach (CANConnection* conn_p, mConns)
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refreshConnection((CANConnection*)conn_p);
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}
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}
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QList<CANConnection*>& CANConManager::getConnections()
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{
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return mConns;
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}
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CANConnection* CANConManager::getByName(const QString& pName) const
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{
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foreach(CANConnection* conn_p, mConns)
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{
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if(conn_p->getPort() == pName)
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return conn_p;
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}
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return NULL;
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}
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void CANConManager::refreshConnection(CANConnection* pConn_p)
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{
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CANFrame* frame_p = NULL;
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QVector<CANFrame> frames;
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while( (frame_p = pConn_p->getQueue().peek() ) ) {
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frames.append(*frame_p);
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pConn_p->getQueue().dequeue();
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}
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if(frames.size())
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emit framesReceived(pConn_p, frames);
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}
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