162 lines
4.9 KiB
C++
162 lines
4.9 KiB
C++
/*
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* Copyright (C) 2019 ~ 2019 touwoyimuli. All rights reserved.
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*
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* Author: touwoyimuli <touwoyimuli@gmai.com>
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*
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* github: https://github.com/touwoyimuli
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* blogs: https://touwoyimuli.github.io/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://touwoyimuli.github.io/>.
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*/
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#include "ExTcpClient.h"
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#include "ui_ExTcpClient.h"
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ExTcpClient::ExTcpClient(QWidget *parent) :
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QMainWindow(parent),
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ui(new Ui::ExTcpClient)
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{
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ui->setupUi(this);
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m_labSocket = new QLabel("socket状态：");
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m_labSocket->setMidLineWidth(150);
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ui->statusBar->addWidget(m_labSocket);
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m_tcpSocket = new QTcpSocket(this);
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QString localIp = getLocalIp();
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this->setWindowTitle(windowTitle() + "----本机IP:" + localIp);
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ui->comboBox->addItem(localIp);
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connect(m_tcpSocket, SIGNAL(connected()), this, SLOT(onConnected()));
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connect(m_tcpSocket, SIGNAL(disconnected()), this, SLOT(onDisconnected()));
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connect(m_tcpSocket, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SLOT(onSocketStateChange(QAbstractSocket::SocketState)));
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connect(m_tcpSocket, SIGNAL(readyRead()), this, SLOT(onSocketReadyRead()));
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}
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ExTcpClient::~ExTcpClient()
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{
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delete ui;
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}
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QString ExTcpClient::getLocalIp()
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{
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QString hostName = QHostInfo::localHostName();
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QHostInfo hostInfo = QHostInfo::fromName(hostName);
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ui->plainTextEdit->appendPlainText("本机名称：" + hostName);
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QString localIp;
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foreach (QHostAddress addr, hostInfo.addresses()) {
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if (QAbstractSocket::IPv4Protocol == addr.protocol()) {
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localIp = addr.toString();
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break;
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}
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}
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return localIp;
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}
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void ExTcpClient::closeEvent(QCloseEvent *event)
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{
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if (m_tcpSocket->state() == QAbstractSocket::ConnectedState)
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m_tcpSocket->disconnectFromHost();
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event->accept();
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}
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void ExTcpClient::onConnected()
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{
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ui->plainTextEdit->appendPlainText("已经连接到服务器\n客户端套接字连接\n对等(peer)地址：" + m_tcpSocket->peerAddress().toString()
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+ " 对等(peer)端口：" + QString::number(m_tcpSocket->peerPort()));
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ui->actConnect->setEnabled(false);
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ui->actDisconnect->setEnabled(true);
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}
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void ExTcpClient::onDisconnected()
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{
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ui->plainTextEdit->appendPlainText("已经断开与服务器的连接\n");
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ui->actConnect->setEnabled(true);
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ui->actDisconnect->setEnabled(false);
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}
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void ExTcpClient::onSocketReadyRead()
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{
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while (m_tcpSocket->canReadLine()) {
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ui->plainTextEdit->appendPlainText("[服务器:]" + m_tcpSocket->readLine());
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}
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}
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void ExTcpClient::onSocketStateChange(QAbstractSocket::SocketState socketState)
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{
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switch (socketState) {
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case QAbstractSocket::UnconnectedState:
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m_labSocket->setText("socket状态：UnconnectedState");
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break;
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case QAbstractSocket::HostLookupState:
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m_labSocket->setText("socket状态：HostLookupState");
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break;
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case QAbstractSocket::ConnectingState:
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m_labSocket->setText("socket状态：ConnectingState");
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break;
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case QAbstractSocket::ConnectedState:
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m_labSocket->setText("socket状态：ConnectedState");
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break;
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case QAbstractSocket::BoundState:
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m_labSocket->setText("socket状态：BoundState");
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break;
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case QAbstractSocket::ClosingState:
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m_labSocket->setText("socket状态：ClosingState");
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break;
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case QAbstractSocket::ListeningState:
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m_labSocket->setText("socket状态：ListeningState");
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break;
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default:
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m_labSocket->setText("socket状态：其他未知状态...");
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break;
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}
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}
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void ExTcpClient::on_actConnect_triggered()
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{
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QString addr = ui->comboBox->currentText();
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quint16 port = ui->spinBox->value();
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m_tcpSocket->connectToHost(addr, port);
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}
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void ExTcpClient::on_actDisconnect_triggered()
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{
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if(m_tcpSocket->state() == QAbstractSocket::ConnectedState)
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m_tcpSocket->disconnectFromHost();
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}
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void ExTcpClient::on_actClear_triggered()
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{
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ui->plainTextEdit->clear();
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}
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void ExTcpClient::on_actQuit_triggered()
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{
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close();
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}
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void ExTcpClient::on_btnSend_clicked()
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{
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QString msg = ui->lineEdit->text();
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ui->plainTextEdit->appendPlainText("[客户端:]" + msg);
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ui->lineEdit->clear();
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ui->lineEdit->setFocus();
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QByteArray str = msg.toUtf8();
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str.append('\n');
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m_tcpSocket->write(str);
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}
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