singleinstance.cpp

#include "singleinstance.h"

SingleInstance::SingleInstance(QObject *parent) : QObject(parent){
    connect(&mServer, SIGNAL(newConnection()),this,SLOT(newConnection()));
}


SingleInstance::~SingleInstance(){

}


void SingleInstance::listen(QString name){
    mServer.removeServer(name);
    mServer.listen(name);

    qDebug() << "Listening for: " << name;
    qDebug() << mServer.errorString();

}


bool SingleInstance::hasPrevious(QString name, QStringList arg){

    qDebug() << "Checking for previous instance...";

    QLocalSocket socket;
    socket.connectToServer(name, QLocalSocket::ReadWrite);

    if(socket.waitForConnected()){
        qDebug() << "Sending args to previous instance...";
        QByteArray buffer;

        foreach(QString item, arg)
        {
            buffer.append(item + "\n");
        }
        socket.write(buffer);
        socket.waitForBytesWritten();
        return true;
    }

    qDebug() << socket.errorString();

    return false;
}

void SingleInstance::newConnection(){
    emit newInstance();

   qDebug() << "New connection loading...";
   mSocket = mServer.nextPendingConnection();
   connect(mSocket,SIGNAL(readyRead()),this,SLOT(readyRead()));
}

void SingleInstance::readyRead(){
    qDebug() << "READ!!";
    qDebug() << "Arg = " << mSocket->readAll();
    mSocket->deleteLater();

}