void SocketTestWindow::on_m_pbSend_clicked() { QString data = ui->m_teSendData->toPlainText(); if(data.length() == 0) { return ; } QByteArray array; array.append(data); if(m_isServer) { m_socketBase->sendData(array); } else { if(m_tcpEnable) { if(m_socketClient) m_socketClient->write(array); } else { QUdpSocket* udpSocket = dynamic_cast<QUdpSocket*>(m_socketClient); if(udpSocket) udpSocket->write(array); } } }
void TimeSync::getNTPTime() { QUdpSocket sock; sock.connectToHost("0.pool.ntp.org",123); if(!sock.waitForConnected(1000))return; QByteArray data(48,char(0)); *(reinterpret_cast<qint32 *>(&data.data()[0]))=4194959577; if(sock.write(data)<0||!sock.waitForReadyRead(3000)||sock.bytesAvailable()!=48)return; data=sock.readAll(); quint32 seconds=qToBigEndian(*(reinterpret_cast<quint32 *>(&data.data()[40]))); quint32 fraction=qToBigEndian(*(reinterpret_cast<quint32 *>(&data.data()[44]))); quint32 newTime=QDateTime::fromMSecsSinceEpoch(seconds*1000ll+fraction*1000ll/0x100000000ll-2208988800000ll).toTime_t(); if(newTime<1451606400 || newTime>4000000000){ QThread::msleep(500); emit startSync(); return; } qint32 tempTimeShift=qint64(newTime)-qint64(QDateTime::currentDateTime().toTime_t()); if(timeShift!=0)tempTimeShift=qint32((qint64(timeShift)+qint64(tempTimeShift))/2); if(tempTimeShift>3600 || tempTimeShift<-3600){ static bool showMessage=true; if(showMessage)emit warningMessage(julyTr("TIME_SYNC_ERROR","Your clock is not set. Please close the Qt Bitcoin Trader and set the clock. Changing time at Qt Bitcoin Trader enabled can cause errors and damage the keys.")); showMessage=false; } else timeShift.fetchAndStoreOrdered(tempTimeShift); getNTPTimeRetryCount++; if(getNTPTimeRetryCount<3)emit startSync(); }
bool EditorPipe::sendToEditor(QString command) { QUdpSocket socket; // Attempt to connect to the LocalServer socket.connectToHost(QHostAddress::LocalHost, 58487); if(socket.waitForConnected(100)) { qDebug() << "Connected"; QString str = QString(command); QByteArray bytes; bytes = str.toUtf8(); socket.write(bytes); socket.waitForBytesWritten(10000); socket.flush(); socket.disconnectFromHost(); qDebug() << "Bytes sent: " <<command; return true; } else { qDebug() << "sendToEditor(QString command) fail to connect: " << socket.errorString(); return false; } }
void tst_QUdpSocket::performance() { QUdpSocket server; QVERIFY2(server.bind(), server.errorString().toLatin1().constData()); QHostAddress serverAddress = QHostAddress::LocalHost; if (!(server.localAddress() == QHostAddress::Any)) serverAddress = server.localAddress(); QUdpSocket client; client.connectToHost(serverAddress, server.localPort()); QByteArray arr(8192, '@'); QTime stopWatch; stopWatch.start(); qint64 nbytes = 0; while (stopWatch.elapsed() < 5000) { for (int i = 0; i < 100; ++i) { if (client.write(arr.data(), arr.size()) > 0) { do { nbytes += server.readDatagram(arr.data(), arr.size()); } while (server.hasPendingDatagrams()); } } } float secs = stopWatch.elapsed() / 1000.0; qDebug("\t%.2fMB/%.2fs: %.2fMB/s", float(nbytes / (1024.0*1024.0)), secs, float(nbytes / (1024.0*1024.0)) / secs); }
void tst_QUdpSocket::writeToNonExistingPeer() { QSKIP("Connected-mode UDP sockets and their behaviour are erratic", SkipAll); QFETCH(QHostAddress, peerAddress); quint16 peerPort = 34534; qRegisterMetaType<QAbstractSocket::SocketError>("QAbstractSocket::SocketError"); QUdpSocket sConnected; QSignalSpy sConnectedReadyReadSpy(&sConnected, SIGNAL(readyRead())); QSignalSpy sConnectedErrorSpy(&sConnected, SIGNAL(error(QAbstractSocket::SocketError))); sConnected.connectToHost(peerAddress, peerPort, QIODevice::ReadWrite); // the first write succeeds... QCOMPARE(sConnected.write("", 1), qint64(1)); // the second one should fail! QTest::qSleep(1000); // do not process events QCOMPARE(sConnected.write("", 1), qint64(-1)); QCOMPARE(int(sConnected.error()), int(QUdpSocket::ConnectionRefusedError)); // the third one will succeed... QCOMPARE(sConnected.write("", 1), qint64(1)); QTestEventLoop::instance().enterLoop(1); QCOMPARE(sConnectedReadyReadSpy.count(), 0); QCOMPARE(sConnectedErrorSpy.count(), 1); QCOMPARE(int(sConnected.error()), int(QUdpSocket::ConnectionRefusedError)); // we should now get a read error QCOMPARE(sConnected.write("", 1), qint64(1)); QTest::qSleep(1000); // do not process events char buf[2]; QVERIFY(!sConnected.hasPendingDatagrams()); QCOMPARE(sConnected.bytesAvailable(), Q_INT64_C(0)); QCOMPARE(sConnected.pendingDatagramSize(), Q_INT64_C(-1)); QCOMPARE(sConnected.readDatagram(buf, 2), Q_INT64_C(-1)); QCOMPARE(int(sConnected.error()), int(QUdpSocket::ConnectionRefusedError)); QCOMPARE(sConnected.write("", 1), qint64(1)); QTest::qSleep(1000); // do not process events QCOMPARE(sConnected.read(buf, 2), Q_INT64_C(0)); QCOMPARE(int(sConnected.error()), int(QUdpSocket::ConnectionRefusedError)); // we should still be connected QCOMPARE(int(sConnected.state()), int(QUdpSocket::ConnectedState)); }
// TODO: sendCommand should only take one argument. The second is redundant. inline static void sendCommand( ScreenCommand & command, ScreenCommand::WaitMode wait = ScreenCommand::WAIT_BEFORE_UPDATE) { // qDebug("sendCommand at %s", qPrintable(QTime::currentTime().toString("mm:ss.zzz"))); command.wait_flags = wait; socket_.write(reinterpret_cast<const char *>(&command), sizeof(command)); if (wait & ScreenCommand::WAIT_COMMAND_FINISH) { if (socket_.waitForReadyRead(3000)) { socket_.read(reinterpret_cast<char *>(&command), sizeof(command)); } } }
int udp_ping(QStringList command) { qDebug() << "udp_ping(" << command.join(" ") << ")" << endl; qDebug() << "udp_ping(" << command.join(" ") << ")" << endl; /** * Check input */ QTextStream errorStream(stderr); if(command.size() != 3 || command.at(0)!="ping" || command.at(1)!="udp" ) { errorStream << "Error: udp_ping(" << command.join(" ") << ") is no valid call (ping udp <ip_address> <port> rzv|max|random|default)" << endl; return 1; } /** * <functionality> */ QByteArray byteArray; /** * CIP for "rzv" */ if(command.at(2)=="rzv") { qDebug() << "rzv" << endl; byteArray.append(QByteArray(42, '\0')); } /** * Sent via TCP */ QUdpSocket *udpSocket; udpSocket = new QUdpSocket(); QTextStream outStream(stdout); QString out; udpSocket->abort(); udpSocket->connectToHost("127.0.0.1", 22366); qDebug() << "waitForConnected!"; if (udpSocket->waitForConnected(5000)) { qDebug() << "Connected!"; } else { errorStream << "Error: udp_ping(" << command.join(" ") << "): No connection available!" << endl; return 1; } qDebug() << QString("BytesWritten: %1").arg(udpSocket->write(byteArray, byteArray.length())); udpSocket->flush(); int numRead = 0, numReadTotal = 0; char buffer[MAXMSG]; forever { numRead = udpSocket->read(buffer, MAXMSG); qDebug() << "read buffer: " << numRead; numReadTotal += numRead; if (numRead <= 0 && !udpSocket->waitForReadyRead(30)) break; } qDebug() << numReadTotal << " bytes red"; if(numReadTotal==-1) { errorStream << "Error: udp_ping(" << command.join(" ") << "): " << udpSocket->errorString() << endl; return 1; } else { for(int i=0; i < numReadTotal; i++) { qDebug() << QString("receipt[%1]: %2\n").arg(i).arg(buffer[i], 8, 2, QLatin1Char('0')) << endl;; } QByteArray receipt(buffer); qDebug() << "receipt.size(): " << receipt.size(); for(int i = 0; i < receipt.size();++i) { qDebug() << QString("receipt[%1]: %2\n").arg(i).arg(receipt.at(i), 8, 2, QLatin1Char('0')) << endl;; } qDebug() << "buffer: " << buffer; } udpSocket->disconnectFromHost(); udpSocket->close(); outStream << out << endl; return 0; }