Qt写的一个简单的网络调试助手

#include "tcpserverwidget.h" #include "common.h" #include "ui_tcpserverwidget.h" #include <QHeaderView> #include <QTcpServer> #include <QTcpSocket> TCPServerWidget::TCPServerWidget(QWidget *parent) : QWidget(parent), ui(new Ui::TCPServerWidget) { ui->setupUi(this); ui->localIp->addItem("Any"); ui->localIp->addItems(getIPAddresses()); ui->clientTable->setEditTriggers(QAbstractItemView::NoEditTriggers); ui->clientTable->setSelectionBehavior(QAbstractItemView::SelectRows); ui->clientTable->horizontalHeader()->setSectionResizeMode( QHeaderView::Stretch); m_Server = new QTcpServer; connect(m_Server, &QTcpServer::newConnection, [=]() { QTcpSocket *tcpSocket = m_Server->nextPendingConnection(); QString ip = tcpSocket->peerAddress().toString(); quint16 port = tcpSocket->peerPort(); appendLog(ui->textEdit, QString("%1:%2:connect").arg(ip).arg(port)); bool r = false; for (int i = 0; i < ui->clientTable->rowCount(); ++i) { QTableWidgetItem *ipitem = ui->clientTable->item(i, 0); QTableWidgetItem *portitem = ui->clientTable->item(i, 1); if (nullptr != ipitem && nullptr != portitem && ipitem->text() == ip && portitem->text().toUShort() == port) { r = true; break; } } connect(tcpSocket, &QTcpSocket::disconnected, [=]() { appendLog(ui->textEdit, QString("%1:%2 disconnected") .arg(tcpSocket->peerAddress().toString()) .arg(tcpSocket->peerPort())); for (int i = 0; i < ui->clientTable->rowCount(); ++i) { QTableWidgetItem *ipitem = ui->clientTable->item(i, 0); QTableWidgetItem *portitem = ui->clientTable->item(i, 1); if (nullptr != ipitem && nullptr != portitem && ipitem->text() == ip && portitem->text().toUShort() == port) { ui->clientTable->removeRow(i); break; } } for (QTcpSocket *socket : m_Clients) { if (ip == socket->peerAddress().toString() && port == socket->peerPort()) { m_Clients.removeOne(socket); socket = nullptr; break; } } }); connect(tcpSocket, &QTcpSocket::readyRead, [=]() { QByteArray data = (ui->toHex->isChecked()) ? tcpSocket->readAll().toHex() : tcpSocket->readAll(); appendLog(ui->textEdit, QString("%1:%2:%3").arg(ip).arg(port).arg(QString(data))); }); m_Clients.append(tcpSocket); int row = ui->clientTable->rowCount(); ui->clientTable->insertRow(row); ui->clientTable->setItem(row, 0, new QTableWidgetItem(ip)); ui->clientTable->setItem(row, 1, new QTableWidgetItem(QString::number(port))); }); } TCPServerWidget::~TCPServerWidget() { delete ui; } QTcpSocket *TCPServerWidget::socket(int row) { QTableWidgetItem *ipitem = ui->clientTable->item(row, 0); QTableWidgetItem *portitem = ui->clientTable->item(row, 1); if (nullptr != ipitem && nullptr != portitem) { QString ip = ipitem->text(); quint16 port = portitem->text().toUShort(); for (QTcpSocket *tcpSocket : m_Clients) { if (ip == tcpSocket->peerAddress().toString() && port == tcpSocket->peerPort()) return tcpSocket; } } return nullptr; } void TCPServerWidget::on_listen_clicked() { if (ui->listen->text() == "listen") { if (m_Server->listen((ui->localIp->currentText() == "Any") ? QHostAddress::Any : QHostAddress(ui->localIp->currentText()), ui->localPort->value())) { ui->listen->setText("listening"); appendLog(ui->textEdit, "start listening"); } else { appendLog(ui->textEdit, "start listen error:" + m_Server->errorString()); } } else { m_Server->close(); ui->listen->setText("listen"); for (QTcpSocket *tcpSocket : m_Clients) { tcpSocket->close(); tcpSocket->disconnectFromHost(); } m_Clients.clear(); appendLog(ui->textEdit, "stop listening"); } } void TCPServerWidget::on_close_clicked() { int row = ui->clientTable->currentRow(); QTcpSocket *tcpSocket = socket(row); if (nullptr != tcpSocket) { tcpSocket->close(); tcpSocket->disconnectFromHost(); } } void TCPServerWidget::on_send_clicked() { QByteArray data = (ui->toHex->isChecked()) ? QByteArray::fromHex(ui->message->text().toUtf8()) : ui->message->text().toUtf8(); int row = ui->clientTable->currentRow(); QTcpSocket *tcpSocket = socket(row); if (nullptr != tcpSocket)tcpSocket->write(data, data.size()); } void TCPServerWidget::on_clear_clicked() { ui->textEdit->clear(); }