qudp socket信号不触发_c++ - 错误：聚合“ QUdpSocket袜子”类型不完整，无法定义 - 堆栈内存溢出...

通过Linux的Windows子系统在Windows上获得硬币时遇到问题。 它可以在MAC OS和Ubuntu上正常编译。

通过gitian，ubuntu和现在用于Linux的Windows子系统尝试了debian。

码：

#include "connectionwidget.h"

#include "ui_connectionwidget.h"

#include "searchconnectionsmodel.h"

#include "constants.h"

#include

#include

#include

#include

QString ClientNAME;

QString ClientWALLET;

ConnectionWidget::ConnectionWidget(QWidget *parent)

: QWidget(parent)

, m_model(new SearchConnectionsModel(this))

, m_broadcastSocket(new QUdpSocket(this))

, ui(new Ui::ConnectionWidget)

{

ui->setupUi(this);

ui->lvItems->setModel(m_model);

m_broadcastSocket->bind(/*QHostAddress::Any, */DiscoveryPort/*, QAbstractSocket::ReuseAddressHint*/);

connect(m_broadcastSocket, SIGNAL(readyRead()), this, SLOT(readPendingDatagrams()));

connect(ui->pbConnect, SIGNAL(clicked(bool)), this, SLOT(onConnectBtnPressed()));

connect(ui->tbSearch, SIGNAL(clicked(bool)), this, SLOT(onSearchButtonPressed()));

connect(ui->lvItems, SIGNAL(clicked(const QModelIndex&)),

this, SLOT(onClicked(const QModelIndex&)));

m_adresses = QNetworkInterface::allAddresses();

}

ConnectionWidget::~ConnectionWidget()

{

delete ui;

}

void ConnectionWidget::onPortChanged(int newPort)

{

if(newPort > 0 && newPort < 0xFFFF)

m_port = newPort;

}

void ConnectionWidget::onNameChanged(const QString & newName)

{

m_name = newName;

ClientNAME = newName;

}

void ConnectionWidget::onWalletChanged(const QString & newWallet)

{

m_wallet = newWallet;

ClientWALLET = newWallet;

}

void ConnectionWidget::onConnectBtnPressed()

{

QTcpSocket *socket = new QTcpSocket(NULL);

QString host = ui->lineEdit->text();

quint16 port = ui->spinBox->value();

socket->connectToHost(host, port);

if(socket->waitForConnected(ConnectionTimeout)) {

emit connectEstablished(socket);

}

else {

QMessageBox::critical(this, tr("Connection Error"),

QString("Can't connect to the %1:%2").arg(host).arg(port));

}

}

void ConnectionWidget::onSearchButtonPressed()

{

m_model->removeRows(0, m_model->rowCount());

m_broadcastSocket->writeDatagram(DiscoveryWorld.toUtf8(), QHostAddress::Broadcast, DiscoveryPort);

}

void ConnectionWidget::readPendingDatagrams()

{

while (m_broadcastSocket->hasPendingDatagrams()) {

QByteArray datagram;

datagram.resize(m_broadcastSocket->pendingDatagramSize());

QHostAddress senderHost;

quint16 senderPort;

m_broadcastSocket->readDatagram(datagram.data(), datagram.size(),

&senderHost, &senderPort);

qDebug() << "->" << senderHost << senderPort << datagram;

if(m_adresses.contains(senderHost))

continue;

processTheDatagram(datagram, senderHost);

}

}

void ConnectionWidget::processTheDatagram(QByteArray &datagram, QHostAddress &senderHost)

{

QString data = QString::fromUtf8(datagram);

if(data == DiscoveryWorld) {

QString answer = QString("%1\t%2\t%3")

.arg(m_name)

.arg(m_port)

.arg(m_wallet);

QUdpSocket sock;

int writed = sock.writeDatagram(answer.toUtf8(), senderHost, DiscoveryPort);

qDebug() << "

//sock.waitForBytesWritten();

}

else {

QStringList answer = data.split("\t", QString::KeepEmptyParts);

if(answer.size() != 3)

return;

QList row = QList() << new QStandardItem(answer[0])

<< new QStandardItem(senderHost.toString())

<< new QStandardItem(answer[1])

<< new QStandardItem(answer[2]);

m_model->appendRow(row);

}

}

void ConnectionWidget::onClicked(const QModelIndex& index)

{

const QAbstractItemModel *model = index.model();

const QModelIndex parent = index.parent();

ui->lineEdit->setText(model->data(model->index(index.row(),1,parent)).toString());

ui->spinBox->setValue(model->data(model->index(index.row(),2,parent)).toUInt());

}

错误：

CXX qt / filesharing / qt_libbitcoinqt_a-connectionwidget.o qt / filesharing / connectionwidget.cpp：在构造函数'ConnectionWidget :: ConnectionWidget(QWidget *)'中：qt / filesharing / connectionwidget.cpp：16：44：错误：无效使用不完整类型'class QUdpSocket'，m_broadcastSocket(new QUdpSocket(this))^在qt / filesharing / connectionwidget.cpp：1：0中包含的文件中：qt / filesharing / connectionwidget.h：9：7：注意：'QUDpSocket类的正向声明'类QUdpSocket; ^ ~~~~~~~~~ qt / filesharing / connectionwidget.cpp：23：22：错误：无效使用不完整的类型'class QUdpSocket'm_broadcastSocket-> bind(/ * QHostAddress :: Any， / DiscoveryPort / ，QAbstractSocket :: ReuseAddressHint * /); ^〜在qt / filesharing / connectionwidget.cpp：1：0中包含的文件中：qt / filesharing / connectionwidget.h：9：7：注意：“类QUdpSocket”类QUdpSocket的前向声明； ^ ~~~~~~~~~ qt / filesharing / connectionwidget.cpp：25：87：错误：没有匹配的函数来调用'ConnectionWidget :: connect(QUdpSocket *＆，const char *，ConnectionWidget *，const char * )'connect(m_broadcastSocket，SIGNAL(readyRead())，this，SLOT(readPendingDatagrams())); ^在/home/coin/depends/x86_64-w64-mingw32/share/../include/QtWidgets/qwidget.h:45:0中包含的文件中，从/ home / coin / depends / x86_64-w64-mingw32 / share /../include/QtWidgets/QWidget:1，来自qt / filesharing / connectionwidget.h：4，来自qt / filesharing / connectionwidget.cpp：1：/ home / coin / depends / x86_64-w64-mingw32 / share /。 ./include/QtCore/qobject.h:214:36：注意：候选：静态QMetaObject :: Connection QObject :: connect(const QObject *，const char *，const QObject *，const char *，Qt :: ConnectionType)静态QMetaObject :: Connection connect(const QObject * sender，const char signal，^ ~~~~~~ /home/coin/depends/x86_64-w64-mingw32/share/../include/QtCore/qobject.h:214： 36：注意：参数1没有从'QUdpSocket '到'const QObject *'的已知转换 /home/coin/depends/x86_64-w64-mingw32/share/../include/QtCore/qobject.h:217:36：注意：候选者：静态QMetaObject :: Connection QObject :: connect(const QObject *，const QMetaMethod＆，const QObject *，const QMetaMethod＆，Qt :: ConnectionType)静态QMetaObject： ：Connection connect(const QObject sender，const QMetaMethod＆signal，^ ~~~~~~ / home / coin / depends / x86_64-w64-mingw32 / share /../ include / QtCore / qobject.h：217：36：注意：参数1从'QUdpSocket '到'const QObject *'的未知转换 /home/coin/depends/x86_64-w64-mingw32/share/../include/QtCore/qobject.h:469:32：注意：候选：QMetaObject :: Connection QObject :: connect(const QObject *，const char *，const char *，Qt :: ConnectionType)const inline QMetaObject :: Connection QObject :: connect(const QObject * asender，const char asignal，^ ~~ ~~~~ /home/coin/depends/x86_64-w64-mingw32/share/../include/QtCore/qobject.h:469:32：注意：参数1没有从'QUdpSocket '到'const QObject的已知转换 *'/home/coin/depends/x86_64-w64-mingw32/share/../include/QtCore/qobject.h:234:43：注意：候选：模板静态QMetaObject :: Connection QObject :: connect(const类型名QtPrivate :: FunctionPointer :: Object *，Func1，const类型名QtPrivate :: FunctionPointer :: Object *，Func2，Qt :: ConnectionType)stati c内联QMetaObject :: Connection connect(const类型名QtPrivate :: FunctionPointer :: Object sender，Func1 signal，^ ~~~~~~ / home / coin / depends / x86_64-w64-mingw32 / share /../ include / QtCore /qobject.h:234:43：注意：模板参数推导/替换失败：/home/coin/depends/x86_64-w64-mingw32/share/../include/QtCore/qobject.h：替代了'template static QMetaObject :: Connection QObject :: connect(const typename QtPrivate :: FunctionPointer :: Object ，Func1，const typename QtPrivate :: FunctionPointer :: Object *，Func2，Qt :: ConnectionType)[with Func1 = const char *; Func2 = const char *]'：qt /文件共享/connectionwidget.cpp:25:87：此处需要/home/coin/depends/x86_64-w64-mingw32/share/../include/QtCore/qobject.h:234 ：43：错误：'struct QtPrivate :: FunctionPointer'/home/coin/depends/x86_64-w64-mingw32/share/../include/QtCore/qobject.h:266:13中没有名为'Objec'的类型：候选：模板静态类型名称std :: enable_if

= 0)，QMetaObject :: Connection> ::类型QObject :: connect(常量类型名称QtPrivate :: FunctionPointer :: Object *，Func1，Func2)connect(常量类型名称QtPrivate :: FunctionPointer :: Object sender，Func1 signal，Func2 slot )^ ~~~~~~ /home/coin/depends/x86_64-w64-mingw32/share/../include/QtCore/qobject.h:266:13：注意：模板参数推导/替换失败：qt /文件共享/connectionwidget.cpp:25:87：注意：候选人期望3个参数，其中4个提供connect(m_broadcastSocket，SIGNAL(readyRead())，this，SLOT(readPendingDatagrams())); ^在/home/coin/depends/x86_64-w64-mingw32/share/../include/QtWidgets/qwidget.h:45:0中包含的文件中，从/ home / coin / depends / x86_64-w64-mingw32 / share /../include/QtWidgets/QWidget:1，来自qt / filesharing / connectionwidget.h：4，来自qt / filesharing / connectionwidget.cpp：1：/ home / coin / depends / x86_64-w64-mingw32 / share /。 ./include/QtCore/qobject.h:275:13：注意：候选者：模板静态类型名称std :: enable_if :: type QObject :: connect(const类型名QtPrivate :: FunctionPointer :: Object ，Func1，const QObject *，Func2，Qt :: ConnectionType)connect(const类型名QtPrivate :: FunctionPointer :: Object * sender，Func1信号，const QObject 上下文，Func2插槽，^ ~~~~~~ / home / coin / depends / x86_64-w64-mingw32 / share /../ include / QtCore / qobject.h：275 ：13：注意：模板参数推导/替换失败：/home/coin/depends/x86_64-w64-mingw32/share/../include/QtCore/q object.h：代替'模板静态类型名称std :: enable_if ：type QObject :: connect(const typename QtPrivate :: FunctionPointer :: Object ，Func1，const QObject *，Func2，Qt :: ConnectionType)[with Func1 = const char *; Func2 = const char *]'：qt /文件共享/connectionwidget.cpp:25:87：此处需要/home/coin/depends/x86_64-w64-mingw32/share/../include/QtCore/qobject.h:275 ：13：错误：在'struct std :: enable_if'/home/coin/depends/x86_64-w64-mingw32/share/../include/QtCore/qobject.h:306:13中没有名为'type'的类型：候选：模板静态类型名std :: enable_if :: type QObject :: connect(const typename QtPrivate :: FunctionPointer :: Object *，Func1 ，Func2)connect(const typename QtPrivate :: FunctionPointer :: Object sender，Func1 signal，Func2 slot)^ ~~~~~~ /home/coin/depends/x86_64-w64-mingw32/share/../include/QtCore /qobject.h:306:13：注意：模板参数推导/替换失败：qt / filesharing / connectionwidget.cpp：25：87：注意：候选人期望3个参数，其中4个提供connect(m_broadcastSocket，SIGNAL(readyRead())，这是SLOT(readPendingDatagrams())); ^在/home/coin/depends/x86_64-w64-mingw32/share/../include/QtWidgets/qwidget.h:45:0中包含的文件中，从/ home / coin / depends / x86_64-w64-mingw32 / share /../include/QtWidgets/QWidget:1，来自qt / filesharing / connectionwidget.h：4，来自qt / filesharing / connectionwidget.cpp：1：/ home / coin / depends / x86_64-w64-mingw32 / share /。 ./include/QtCore/qobject.h:314:13：注意：候选：模板静态类型名称std :: enable_if :: type QObject： ：connect(const类型名称QtPrivate :: FunctionPointer :: Object ，Func1，const QObject *，Func2，Qt :: ConnectionType)connect(const类型名称QtPrivate :: FunctionPointer :: Object * sender，Func1 signal，const QObject context，Func2 slot， ^ ~~~~~~ /home/coin/depends/x86_64-w64-mingw32/share/../include/QtCore/qobject.h:314:13：注意：模板参数推导/替换失败：/ home / coin /depends/x86_64-w64-mingw32/share/../include/QtCore/qobject.h：代替“模板静态类型名std :: enable_i f :: type QObject :: connect(const typename QtPrivate :: FunctionPointer :: Object ，Func1，const QObject *，Func2，Qt :: ConnectionType)[with Func1 = const char *; Func2 = const char *]'：qt /文件共享/connectionwidget.cpp:25:87：此处需要/home/coin/depends/x86_64-w64-mingw32/share/../include/QtCore/qobject.h:314 ：13：错误：'struct QtPrivate :: FunctionPointer'中没有名为'Objec'的类型qt / filesharing / connectionwidget.cpp：在成员函数'void ConnectionWidget :: onSearchButtonPressed()'中：qt / filesharing / connectionwidget.cpp：76： 22：错误：无效使用了不完整的类型'class QUdpSocket'm_broadcastSocket-> writeDatagram(DiscoveryWorld.toUtf8()，QHostAddress :: Broadcast，DiscoveryPort)； ^〜在qt / filesharing / connectionwidget.cpp：1：0中包含的文件中：qt / filesharing / connectionwidget.h：9：7：注意：“类QUdpSocket”类QUdpSocket的前向声明； ^ ~~~~~~~~~ qt / filesharing / connectionwidget.cpp：在成员函数“ void ConnectionWidget :: readPendingDatagrams()”中：qt / filesharing / connectionwidget.cpp：81：29：错误：无效使用不完整类型'class QUdpSocket'while(m_broadcastSocket-> hasPendingDatagrams()){^〜在qt / filesharing / connectionwidget.cpp：1：0：qt / filesharing / connectionwidget.h：9：7包含的文件中：注意：正向声明'类QUdpSocket'类QUdpSocket; ^ ~~~~~~~~~ qt / filesharing / connectionwidget.cpp：83：42：错误：无效使用了不完整的类型'class QUdpSocket'datagram.resize(m_broadcastSocket-> pendingDatagramSize()); ^〜在qt / filesharing / connectionwidget.cpp：1：0中包含的文件中：qt / filesharing / connectionwidget.h：9：7：注意：“类QUdpSocket”类QUdpSocket的前向声明； ^ ~~~~~~~~~ qt / filesharing / connectionwidget.cpp：87：26：错误：无效使用不完整类型'class QUdpSocket'm_broadcastSocket-> readDatagram(datagram.data()，datagram.size()， ^〜在qt / filesharing / connectionwidget.cpp：1：0中包含的文件中：qt / filesharing / connectionwidget.h：9：7：注意：'class QUdpSocket'类QUdpSocket的前向声明; ^ ~~~~~~~ ~~ qt / filesharing / connectionwidget.cpp：在成员函数'void ConnectionWidget :: processTheDatagram(QByteArray＆，QHostAddress＆)'中：qt / filesharing / connectionwidget.cpp：106：20：错误：聚合'QUdpSocket sock'具有不完整的类型并且不能被定义为QUdpSocket袜子； ^ ~~~ Makefile：7533：目标'qt / filesharing / qt_libbitcoinqt_a-connectionwidget.o'的配方失败make [2]：*** [qt / filesharing / qt_libbitcoinqt_a-connectionwidget.o]错误1