123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109 |
- #include "mainwindow.h"
- #include "ui_mainwindow.h"
- #include <memory>
- MainWindow::MainWindow(QWidget *parent) :
- QMainWindow(parent),
- ui(new Ui::MainWindow)
- {
- ui->setupUi(this);
- mpSocket = new QUdpSocket(this);
- mpSocketListen = new QUdpSocket(this);
- mpSocketListen->bind(QHostAddress::Any,60019);//
- connect(mpSocketListen,SIGNAL(readyRead()),this,SLOT(onRecvData()));
- #ifdef ANDROID
- ui->pushButton_Start->setGeometry(100,100,600,100);
- ui->pushButton_Stop->setGeometry(100,300,600,100);
- ui->pushButton_Query->setGeometry(100,500,600,100);
- ui->plainTextEdit->setGeometry(100,800,600,600);
- #endif
- }
- MainWindow::~MainWindow()
- {
- delete ui;
- }
- void MainWindow::on_pushButton_Start_clicked()
- {
- ui->plainTextEdit->setPlainText("");
- int nCode = 1;
- char strout[100];
- memcpy(strout,&nCode,sizeof(int));
- mpSocket->writeDatagram(strout,sizeof(int),QHostAddress::Broadcast,60009);
- }
- void MainWindow::on_pushButton_Stop_clicked()
- {
- ui->plainTextEdit->setPlainText("");
- int nCode = 0;
- char strout[100];
- memcpy(strout,&nCode,sizeof(int));
- mpSocket->writeDatagram(strout,sizeof(int),QHostAddress::Broadcast,60009);
- }
- void MainWindow::on_pushButton_Query_clicked()
- {
- ui->plainTextEdit->setPlainText("");
- int nCode = 2;
- char strout[100];
- memcpy(strout,&nCode,sizeof(int));
- mpSocket->writeDatagram(strout,sizeof(int),QHostAddress::Broadcast,60009);
- }
- void MainWindow::onRecvData()
- {
- while(mpSocketListen->hasPendingDatagrams())
- {
- QByteArray ba;
- ba.resize(static_cast<int>(mpSocketListen->bytesAvailable()) );
- mpSocketListen->readDatagram(ba.data(),ba.size());
- if(ba.size()>=2*static_cast<int>(sizeof(int)))
- {
- char * pdata = ba.data();
- int nsize = static_cast<int>(ba.size());
- int nservicecode,nservicestatus;
- memcpy(&nservicecode,pdata,sizeof(int));
- memcpy(&nservicestatus,pdata+sizeof(int),sizeof(int));
- unsigned long nerrorlen = static_cast<unsigned long>(nsize-2*static_cast<int>(sizeof(int)));
- std::shared_ptr<char> pstrerr_ptr = std::shared_ptr<char>(new char[nerrorlen +1]);
- if(nsize>2*static_cast<int>(sizeof(int)))
- {
- memcpy(pstrerr_ptr.get(),pdata+2*sizeof(int),nerrorlen);
- pstrerr_ptr.get()[nerrorlen] = 0;
- }
- switch (nservicestatus) {
- case 0:
- if(nservicecode == 0)
- {
- ui->plainTextEdit->setPlainText("Init Status.");
- }
- else
- {
- ui->plainTextEdit->setPlainText(pstrerr_ptr.get());
- }
- break;
- case 1:
- ui->plainTextEdit->setPlainText("Starting Service.");
- break;
- case 2:
- {
- char strout[1000];
- snprintf(strout,1000,"Service Code: %d",nservicecode);
- ui->plainTextEdit->setPlainText(strout);
- }
- break;
- default:
- break;
- }
- }
- }
- }
|