本文整理汇总了C++中QUdpSocket::waitForConnected方法的典型用法代码示例。如果您正苦于以下问题：C++ QUdpSocket::waitForConnected方法的具体用法？C++ QUdpSocket::waitForConnected怎么用？C++ QUdpSocket::waitForConnected使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QUdpSocket的用法示例。
在下文中一共展示了QUdpSocket::waitForConnected方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: getNTPTime
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();
}示例2: process
void FetchThread::process(QString phost)
{
QUdpSocket *udpSocket ;
udpSocket= new QUdpSocket(0);
udpSocket->bind(QHostAddress::LocalHost, 9999);
udpSocket->waitForConnected(250);
QTcpSocket socket;
socket.connectToHost("localhost", 4949);
socket.waitForConnected(500);
while (socket.waitForReadyRead(250));
QString t_hello = socket.readAll();
qDebug() << "READ: " << t_hello;
socket.write(QString("list\n").toStdString().c_str() );
while (socket.waitForReadyRead(250));
QString buf1 = socket.readAll();
qDebug() << "READ: " << buf1;
QStringList list_probe = buf1.split(QRegExp("\\s+"));
for (int z=0; z< list_probe.size(); z++)
{
QString probe=list_probe.at(z);
QString cmd = QString("fetch ").append(probe).append("\n");
qDebug() << "cmd : " << cmd;
socket.write(cmd.toStdString().c_str() );
while (socket.waitForReadyRead(250));
QString buf2 = socket.readAll();
qDebug() << "Rep fetch :" << buf2 << "\n";
QRegularExpression re("(\\w+).(\\w+) ([0-9.]+)\\n");
QRegularExpressionMatchIterator i = re.globalMatch(buf2);
re.setPatternOptions(QRegularExpression::MultilineOption);
while (i.hasNext()) {
QRegularExpressionMatch match = i.next();
QString s_metric = match.captured(1);
QString s_value = match.captured(3);
QString s_mtr = "monit2influxdb,metric="+probe + "_" + s_metric + ",host=" + phost+ " value=" + s_value + " " + QString::number(1000000* QDateTime::currentMSecsSinceEpoch());
qDebug() << "metric: " << s_mtr.toLower();
udpSocket->writeDatagram(s_mtr.toStdString().c_str(), QHostAddress::LocalHost, 9999);
}
udpSocket->close();
}
}示例3: sendToEditor
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;
}
}示例4: udp_ping
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;
}