Ejemplo n.º 1
0
class Client(QDialog):
    def __init__(self, parent=None):
        super(Client, self).__init__(parent)

        self.networkSession = None
        self.blockSize = 0
        self.currentFortune = ""

        hostLabel = QLabel("&Server name:")
        portLabel = QLabel("S&erver port:")

        self.hostCombo = QComboBox()
        self.hostCombo.setEditable(True)

        name = QHostInfo.localHostName()
        if name != "":
            self.hostCombo.addItem(name)

            domain = QHostInfo.localDomainName()
            if domain != "":
                self.hostCombo.addItem(name + "." + domain)

        if name != "localhost":
            self.hostCombo.addItem("localhost")

        ipAddressesList = QNetworkInterface.allAddresses()

        for ipAddress in ipAddressesList:
            if not ipAddress.isLoopback():
                self.hostCombo.addItem(ipAddress.toString())

        for ipAddress in ipAddressesList:
            if ipAddress.isLoopback():
                self.hostCombo.addItem(ipAddress.toString())

        self.portLineEdit = QLineEdit()
        self.portLineEdit.setValidator(QIntValidator(1, 65535, self))

        hostLabel.setBuddy(self.hostCombo)
        portLabel.setBuddy(self.portLineEdit)

        self.statusLabel = QLabel("This examples requires that you run " "the Fortune Server example as well.")

        self.getFortuneButton = QPushButton("Get Fortune")
        self.getFortuneButton.setDefault(True)
        self.getFortuneButton.setEnabled(False)

        quitButton = QPushButton("Quit")

        buttonBox = QDialogButtonBox()
        buttonBox.addButton(self.getFortuneButton, QDialogButtonBox.ActionRole)
        buttonBox.addButton(quitButton, QDialogButtonBox.RejectRole)

        self.tcpSocket = QTcpSocket(self)

        self.hostCombo.editTextChanged.connect(self.enableGetFortuneButton)
        self.portLineEdit.textChanged.connect(self.enableGetFortuneButton)
        self.getFortuneButton.clicked.connect(self.requestNewFortune)
        quitButton.clicked.connect(self.close)
        self.tcpSocket.readyRead.connect(self.readFortune)
        self.tcpSocket.error.connect(self.displayError)

        mainLayout = QGridLayout()
        mainLayout.addWidget(hostLabel, 0, 0)
        mainLayout.addWidget(self.hostCombo, 0, 1)
        mainLayout.addWidget(portLabel, 1, 0)
        mainLayout.addWidget(self.portLineEdit, 1, 1)
        mainLayout.addWidget(self.statusLabel, 2, 0, 1, 2)
        mainLayout.addWidget(buttonBox, 3, 0, 1, 2)
        self.setLayout(mainLayout)

        self.setWindowTitle("Fortune Client")
        self.portLineEdit.setFocus()

        manager = QNetworkConfigurationManager()
        if manager.capabilities() & QNetworkConfigurationManager.NetworkSessionRequired:
            settings = QSettings(QSettings.UserScope, "QtProject")
            settings.beginGroup("QtNetwork")
            id = settings.value("DefaultNetworkConfiguration")
            settings.endGroup()

            config = manager.configurationFromIdentifier(id)
            if config.state() & QNetworkConfiguration.Discovered == 0:
                config = manager.defaultConfiguration()

            self.networkSession = QNetworkSession(config, self)
            self.networkSession.opened.connect(self.sessionOpened)

            self.getFortuneButton.setEnabled(False)
            self.statusLabel.setText("Opening network session.")
            self.networkSession.open()

    def requestNewFortune(self):
        self.getFortuneButton.setEnabled(False)
        self.blockSize = 0
        self.tcpSocket.abort()
        self.tcpSocket.connectToHost(self.hostCombo.currentText(), int(self.portLineEdit.text()))

    def readFortune(self):
        instr = QDataStream(self.tcpSocket)
        instr.setVersion(QDataStream.Qt_4_0)

        if self.blockSize == 0:
            if self.tcpSocket.bytesAvailable() < 2:
                return

            self.blockSize = instr.readUInt16()

        if self.tcpSocket.bytesAvailable() < self.blockSize:
            return

        nextFortune = instr.readQString()
        if nextFortune == self.currentFortune:
            QTimer.singleShot(0, self.requestNewFortune)
            return

        self.currentFortune = nextFortune
        self.statusLabel.setText(self.currentFortune)
        self.getFortuneButton.setEnabled(True)

    def displayError(self, socketError):
        if socketError == QAbstractSocket.RemoteHostClosedError:
            pass
        elif socketError == QAbstractSocket.HostNotFoundError:
            QMessageBox.information(
                self, "Fortune Client", "The host was not found. Please check the host name and " "port settings."
            )
        elif socketError == QAbstractSocket.ConnectionRefusedError:
            QMessageBox.information(
                self,
                "Fortune Client",
                "The connection was refused by the peer. Make sure the "
                "fortune server is running, and check that the host name "
                "and port settings are correct.",
            )
        else:
            QMessageBox.information(
                self, "Fortune Client", "The following error occurred: %s." % self.tcpSocket.errorString()
            )

        self.getFortuneButton.setEnabled(True)

    def enableGetFortuneButton(self):
        self.getFortuneButton.setEnabled(
            (self.networkSession is None or self.networkSession.isOpen())
            and self.hostCombo.currentText() != ""
            and self.portLineEdit.text() != ""
        )

    def sessionOpened(self):
        config = self.networkSession.configuration()

        if config.type() == QNetworkConfiguration.UserChoice:
            id = self.networkSession.sessionProperty("UserChoiceConfiguration")
        else:
            id = config.identifier()

        settings = QSettings(QSettings.UserScope, "QtProject")
        settings.beginGroup("QtNetwork")
        settings.setValue("DefaultNetworkConfiguration", id)
        settings.endGroup()

        self.statusLabel.setText("This examples requires that you run the " "Fortune Server example as well.")

        self.enableGetFortuneButton()
Ejemplo n.º 2
0
class Client(QDialog):
    def __init__(self, parent=None):
        super(Client, self).__init__(parent)

        self.networkSession = None
        self.blockSize = 0
        self.currentFortune = ''
        self.title = "扫码收货PC辅助程序"

        hostLabel = QLabel('IP:')
        hostLabel.setFont(qtawesome.font('fa', 14))

        portLabel = QLabel('端口:')
        portLabel.setFont(qtawesome.font('fa', 14))

        taskCodeLabel = QLabel('任务码:')
        taskCodeLabel.setFont(qtawesome.font('fa', 14))
        self.serverMsgLable = QLabel('来自服务端的消息:')
        self.serverMsgLable.setFont(qtawesome.font('fa', 14))

        self.sendMsgLabel = QLabel('将要发送的消息:')
        self.sendMsgLabel.setFont(qtawesome.font('fa', 14))

        self.hostCombo = QComboBox()
        self.hostCombo.setEditable(True)

        name = QHostInfo.localHostName()
        if name != '':
            self.hostCombo.addItem(name)

            domain = QHostInfo.localDomainName()
            if domain != '':
                self.hostCombo.addItem(name + '.' + domain)

        if name != 'localhost':
            self.hostCombo.addItem('10.286.88.124')

        ipAddressesList = QNetworkInterface.allAddresses()

        for ipAddress in ipAddressesList:
            if not ipAddress.isLoopback():
                self.hostCombo.addItem(ipAddress.toString())

        for ipAddress in ipAddressesList:
            if ipAddress.isLoopback():
                self.hostCombo.addItem(ipAddress.toString())

        self.portLineEdit = QLineEdit()
        self.portLineEdit.setValidator(QIntValidator(1, 65535, self))
        self.portLineEdit.setPlaceholderText("请输入端口")

        self.taskLineEdit = QLineEdit()
        self.taskLineEdit.setPlaceholderText("请向组长询问后输入任务码")
        self.taskLineEdit.setValidator(QIntValidator(1, 9999, self))

        self.serverLineEdit = QLineEdit()
        self.serverLineEdit.setPlaceholderText('服务器发送的消息会显示在这里')

        self.sendTextEdit = QTextEdit()
        self.sendTextEdit.setPlaceholderText('请输入先要发送给服务器的消息')

        hostLabel.setBuddy(self.hostCombo)
        portLabel.setBuddy(self.portLineEdit)
        taskCodeLabel.setBuddy(self.taskLineEdit)
        self.serverMsgLable.setBuddy(self.serverLineEdit)
        self.sendMsgLabel.setBuddy(self.sendTextEdit)

        self.statusLabel = QLabel("状态:尚未连接")
        self.statusLabel.setAutoFillBackground(True)
        self.statusLabel.setAlignment(Qt.AlignCenter)
        palette = QPalette()  # 新建一个调色板
        palette.setColor(QPalette.Window, Qt.red)  # 设置颜色
        self.statusLabel.setPalette(palette)
        self.statusLabel.setStyleSheet('''
                color:#ffffff;
                font-size:18px;
                font-weight:bold;
        ''')

        self.getFortuneButton = QPushButton("启动连接")
        self.getFortuneButton.setDefault(True)
        self.getFortuneButton.setEnabled(False)

        quitButton = QPushButton("退出")
        self.stopButton = QPushButton("中止连接")
        self.stopButton.setDefault(True)
        self.stopButton.setEnabled(False)

        buttonBox = QDialogButtonBox()
        buttonBox.addButton(self.getFortuneButton, QDialogButtonBox.ActionRole)
        buttonBox.addButton(self.stopButton, QDialogButtonBox.AcceptRole)
        buttonBox.addButton(quitButton, QDialogButtonBox.RejectRole)
        self.sendMsgbutton = QPushButton('发送消息')
        self.webSocket = QWebSocket()

        self.hostCombo.editTextChanged.connect(self.enableGetFortuneButton)
        self.portLineEdit.textChanged.connect(self.enableGetFortuneButton)
        self.taskLineEdit.textChanged.connect(self.enableGetFortuneButton)
        self.getFortuneButton.clicked.connect(self.CreateNewConn)
        self.stopButton.clicked.connect(self.stopCurrentConn)
        quitButton.clicked.connect(self.close)
        self.webSocket.connected.connect(self.websocketConnect)
        self.webSocket.disconnected.connect(self.webSocketDisconnect)
        self.webSocket.error.connect(self.displayError)
        self.webSocket.textMessageReceived.connect(
            self.webSocketMessageReceived)
        self.sendTextEdit.textChanged.connect(self.enableSendMessageButton)
        self.sendMsgbutton.clicked.connect(self.sendMsgToServer)

        mainLayout = QGridLayout()
        mainLayout.addWidget(hostLabel, 0, 0)
        mainLayout.addWidget(self.hostCombo, 0, 1)
        mainLayout.addWidget(portLabel, 1, 0)
        mainLayout.addWidget(self.portLineEdit, 1, 1)
        mainLayout.addWidget(taskCodeLabel, 2, 0)
        mainLayout.addWidget(self.taskLineEdit, 2, 1)
        mainLayout.addWidget(self.statusLabel, 3, 0, 1, 2)
        mainLayout.addWidget(buttonBox, 4, 0, 1, 2)
        mainLayout.addWidget(self.serverMsgLable, 5, 0)
        mainLayout.addWidget(self.serverLineEdit, 5, 1, 1, 1)
        mainLayout.addWidget(self.sendMsgLabel, 6, 0)
        mainLayout.addWidget(self.sendTextEdit, 6, 1)
        mainLayout.addWidget(self.sendMsgbutton, 7, 0, 1, 5)
        self.serverLineEdit.setEnabled(False)
        self.serverMsgLable.setVisible(False)
        self.serverLineEdit.setVisible(False)
        self.sendMsgLabel.setVisible(False)
        self.sendTextEdit.setVisible(False)
        self.sendMsgbutton.setEnabled(False)
        self.sendMsgbutton.setVisible(False)
        self.setLayout(mainLayout)
        mainLayout.setSpacing(10)
        self.setWindowTitle(self.title)
        self.portLineEdit.setFocus()
        manager = QNetworkConfigurationManager()
        if manager.capabilities(
        ) & QNetworkConfigurationManager.NetworkSessionRequired:
            settings = QSettings(QSettings.UserScope, 'QtProject')
            settings.beginGroup('QtNetwork')
            id = settings.value('DefaultNetworkConfiguration')
            settings.endGroup()

            config = manager.configurationFromIdentifier(id)
            if config.state() & QNetworkConfiguration.Discovered == 0:
                config = manager.defaultConfiguration()

            self.networkSession = QNetworkSession(config, self)
            self.networkSession.opened.connect(self.sessionOpened)

            self.getFortuneButton.setEnabled(False)
            self.statusLabel.setText("Opening network session.")
            self.networkSession.open()

    def enableSendMessageButton(self):
        self.sendMsgbutton.setEnabled(self.sendTextEdit.toPlainText() != '')

    def sendMsgToServer(self):
        message = self.sendTextEdit.toPlainText()
        self.webSocket.sendTextMessage(message)

    def CreateNewConn(self):
        '''
        连接按钮点击事件,尝试进行连接 QWebSocket
        :return:
        '''
        self.getFortuneButton.setText("连接中,请等待")
        self.getFortuneButton.setEnabled(False)
        self.stopButton.setEnabled(True)
        self.webSocket.abort()
        host = self.hostCombo.currentText()
        port = self.portLineEdit.text()
        task_code = self.taskLineEdit.text()
        format_url = 'ws://{}:{}/websocket/master/{}/{}'.format(
            host, port, 'xiangjqjngkljjkl12345', task_code)
        print(format_url)
        request_url = QUrl(format_url)
        self.webSocket.open(request_url)

    def stopCurrentConn(self):
        if self.webSocket is not None and self.webSocket.isValid():
            print('终止连接')
            self.getFortuneButton.setEnabled(True)
            self.stopButton.setEnabled(False)
            self.webSocket.close(QWebSocketProtocol.CloseCodeNormal,
                                 reason='终止连接')
            self.webSocket.close()

    def displayError(self, socketError):
        if socketError == QAbstractSocket.RemoteHostClosedError:
            pass
        elif socketError == QAbstractSocket.HostNotFoundError:
            QMessageBox.information(self, self.title, "找不到主机。请检查主机名和端口设置")
        elif socketError == QAbstractSocket.ConnectionRefusedError:
            QMessageBox.information(
                self, self.title, '''
            连接被同伴拒绝了。确保服务器正在运行,并检查主机名端口设置正确
            ''')
        else:
            QMessageBox.information(
                self, self.title, "出现下列错误: %s." % self.webSocket.errorString())

        self.getFortuneButton.setEnabled(True)
        self.getFortuneButton.setText("重新连接")

    def enableGetFortuneButton(self):
        self.getFortuneButton.setEnabled(
            (self.networkSession is None or self.networkSession.isOpen())
            and self.hostCombo.currentText() != ''
            and self.portLineEdit.text() != ''
            and self.taskLineEdit.text() != '')

    def sessionOpened(self):
        config = self.networkSession.configuration()

        if config.type() == QNetworkConfiguration.UserChoice:
            id = self.networkSession.sessionProperty('UserChoiceConfiguration')
        else:
            id = config.identifier()

        settings = QSettings(QSettings.UserScope, 'QtProject')
        settings.beginGroup('QtNetwork')
        settings.setValue('DefaultNetworkConfiguration', id)
        settings.endGroup()

        self.statusLabel.setText("This examples requires that you run the "
                                 "Fortune Server example as well.")
        self.enableGetFortuneButton()

    def websocketConnect(self):
        print("websocketConnect")
        self.statusLabel.setText('连接成功')
        self.serverMsgLable.setVisible(True)
        self.serverLineEdit.setVisible(True)
        self.sendMsgLabel.setVisible(True)
        self.sendTextEdit.setVisible(True)
        self.sendMsgbutton.setVisible(True)

    def webSocketDisconnect(self):
        self.statusLabel.setText('连接退出')
        self.getFortuneButton.setEnabled(True)
        self.stopButton.setEnabled(False)
        self.serverMsgLable.setVisible(False)
        self.serverLineEdit.setVisible(False)
        self.sendMsgLabel.setVisible(False)
        self.sendTextEdit.setVisible(False)
        self.sendMsgbutton.setVisible(False)
        self.getFortuneButton.setText('重新连接')
        print("disconnected")

    def webSocketMessageReceived(self, p_str):
        self.serverLineEdit.setText('接收到消息' + p_str)
        self.statusLabel.setText('接收到消息' + p_str)
        print("webSocketMessageReceived" + p_str)
Ejemplo n.º 3
0
class Client(QDialog):
    def __init__(self, parent=None):
        super(Client, self).__init__(parent)

        self.networkSession = None
        self.blockSize = 0
        self.currentFortune = ''

        hostLabel = QLabel("&Server name:")
        portLabel = QLabel("S&erver port:")

        self.hostCombo = QComboBox()
        self.hostCombo.setEditable(True)

        name = QHostInfo.localHostName()
        if name != '':
            self.hostCombo.addItem(name)

            domain = QHostInfo.localDomainName()
            if domain != '':
                self.hostCombo.addItem(name + '.' + domain)

        if name != 'localhost':
            self.hostCombo.addItem('localhost')

        ipAddressesList = QNetworkInterface.allAddresses()

        for ipAddress in ipAddressesList:
            if not ipAddress.isLoopback():
                self.hostCombo.addItem(ipAddress.toString())

        for ipAddress in ipAddressesList:
            if ipAddress.isLoopback():
                self.hostCombo.addItem(ipAddress.toString())

        self.portLineEdit = QLineEdit()
        self.portLineEdit.setValidator(QIntValidator(1, 65535, self))

        hostLabel.setBuddy(self.hostCombo)
        portLabel.setBuddy(self.portLineEdit)

        self.statusLabel = QLabel("This examples requires that you run "
                                  "the Fortune Server example as well.")

        self.getFortuneButton = QPushButton("Get Fortune")
        self.getFortuneButton.setDefault(True)
        self.getFortuneButton.setEnabled(False)

        quitButton = QPushButton("Quit")

        buttonBox = QDialogButtonBox()
        buttonBox.addButton(self.getFortuneButton, QDialogButtonBox.ActionRole)
        buttonBox.addButton(quitButton, QDialogButtonBox.RejectRole)

        self.tcpSocket = QTcpSocket(self)

        self.hostCombo.editTextChanged.connect(self.enableGetFortuneButton)
        self.portLineEdit.textChanged.connect(self.enableGetFortuneButton)
        self.getFortuneButton.clicked.connect(self.requestNewFortune)
        quitButton.clicked.connect(self.close)
        self.tcpSocket.readyRead.connect(self.readFortune)
        self.tcpSocket.error.connect(self.displayError)

        mainLayout = QGridLayout()
        mainLayout.addWidget(hostLabel, 0, 0)
        mainLayout.addWidget(self.hostCombo, 0, 1)
        mainLayout.addWidget(portLabel, 1, 0)
        mainLayout.addWidget(self.portLineEdit, 1, 1)
        mainLayout.addWidget(self.statusLabel, 2, 0, 1, 2)
        mainLayout.addWidget(buttonBox, 3, 0, 1, 2)
        self.setLayout(mainLayout)

        self.setWindowTitle("Fortune Client")
        self.portLineEdit.setFocus()

        manager = QNetworkConfigurationManager()
        if manager.capabilities(
        ) & QNetworkConfigurationManager.NetworkSessionRequired:
            settings = QSettings(QSettings.UserScope, 'QtProject')
            settings.beginGroup('QtNetwork')
            id = settings.value('DefaultNetworkConfiguration')
            settings.endGroup()

            config = manager.configurationFromIdentifier(id)
            if config.state() & QNetworkConfiguration.Discovered == 0:
                config = manager.defaultConfiguration()

            self.networkSession = QNetworkSession(config, self)
            self.networkSession.opened.connect(self.sessionOpened)

            self.getFortuneButton.setEnabled(False)
            self.statusLabel.setText("Opening network session.")
            self.networkSession.open()

    def requestNewFortune(self):
        self.getFortuneButton.setEnabled(False)
        self.blockSize = 0
        self.tcpSocket.abort()
        self.tcpSocket.connectToHost(self.hostCombo.currentText(),
                                     int(self.portLineEdit.text()))

    def readFortune(self):
        instr = QDataStream(self.tcpSocket)
        instr.setVersion(QDataStream.Qt_4_0)

        if self.blockSize == 0:
            if self.tcpSocket.bytesAvailable() < 2:
                return

            self.blockSize = instr.readUInt16()

        if self.tcpSocket.bytesAvailable() < self.blockSize:
            return

        nextFortune = instr.readQString()
        if nextFortune == self.currentFortune:
            QTimer.singleShot(0, self.requestNewFortune)
            return

        self.currentFortune = nextFortune
        self.statusLabel.setText(self.currentFortune)
        self.getFortuneButton.setEnabled(True)

    def displayError(self, socketError):
        if socketError == QAbstractSocket.RemoteHostClosedError:
            pass
        elif socketError == QAbstractSocket.HostNotFoundError:
            QMessageBox.information(
                self, "Fortune Client",
                "The host was not found. Please check the host name and "
                "port settings.")
        elif socketError == QAbstractSocket.ConnectionRefusedError:
            QMessageBox.information(
                self, "Fortune Client",
                "The connection was refused by the peer. Make sure the "
                "fortune server is running, and check that the host name "
                "and port settings are correct.")
        else:
            QMessageBox.information(
                self, "Fortune Client", "The following error occurred: %s." %
                self.tcpSocket.errorString())

        self.getFortuneButton.setEnabled(True)

    def enableGetFortuneButton(self):
        self.getFortuneButton.setEnabled(
            (self.networkSession is None or self.networkSession.isOpen())
            and self.hostCombo.currentText() != ''
            and self.portLineEdit.text() != '')

    def sessionOpened(self):
        config = self.networkSession.configuration()

        if config.type() == QNetworkConfiguration.UserChoice:
            id = self.networkSession.sessionProperty('UserChoiceConfiguration')
        else:
            id = config.identifier()

        settings = QSettings(QSettings.UserScope, 'QtProject')
        settings.beginGroup('QtNetwork')
        settings.setValue('DefaultNetworkConfiguration', id)
        settings.endGroup()

        self.statusLabel.setText("This examples requires that you run the "
                                 "Fortune Server example as well.")

        self.enableGetFortuneButton()