| /**************************************************************************** |
| ** |
| ** Copyright (C) 2017 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtBluetooth module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:BSD$ |
| ** Commercial License Usage |
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| ** BSD License Usage |
| ** Alternatively, you may use this file under the terms of the BSD license |
| ** as follows: |
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| ** "Redistribution and use in source and binary forms, with or without |
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| ****************************************************************************/ |
| |
| #include "chatclient.h" |
| |
| #include <QtCore/qmetaobject.h> |
| |
| ChatClient::ChatClient(QObject *parent) |
| : QObject(parent) |
| { |
| } |
| |
| ChatClient::~ChatClient() |
| { |
| stopClient(); |
| } |
| |
| //! [startClient] |
| void ChatClient::startClient(const QBluetoothServiceInfo &remoteService) |
| { |
| if (socket) |
| return; |
| |
| // Connect to service |
| socket = new QBluetoothSocket(QBluetoothServiceInfo::RfcommProtocol); |
| qDebug() << "Create socket"; |
| socket->connectToService(remoteService); |
| qDebug() << "ConnectToService done"; |
| |
| connect(socket, &QBluetoothSocket::readyRead, this, &ChatClient::readSocket); |
| connect(socket, &QBluetoothSocket::connected, this, QOverload<>::of(&ChatClient::connected)); |
| connect(socket, &QBluetoothSocket::disconnected, this, &ChatClient::disconnected); |
| connect(socket, QOverload<QBluetoothSocket::SocketError>::of(&QBluetoothSocket::error), |
| this, &ChatClient::onSocketErrorOccurred); |
| |
| } |
| //! [startClient] |
| |
| //! [stopClient] |
| void ChatClient::stopClient() |
| { |
| delete socket; |
| socket = nullptr; |
| } |
| //! [stopClient] |
| |
| //! [readSocket] |
| void ChatClient::readSocket() |
| { |
| if (!socket) |
| return; |
| |
| while (socket->canReadLine()) { |
| QByteArray line = socket->readLine(); |
| emit messageReceived(socket->peerName(), |
| QString::fromUtf8(line.constData(), line.length())); |
| } |
| } |
| //! [readSocket] |
| |
| //! [sendMessage] |
| void ChatClient::sendMessage(const QString &message) |
| { |
| QByteArray text = message.toUtf8() + '\n'; |
| socket->write(text); |
| } |
| //! [sendMessage] |
| |
| void ChatClient::onSocketErrorOccurred(QBluetoothSocket::SocketError error) |
| { |
| if (error == QBluetoothSocket::NoSocketError) |
| return; |
| |
| QMetaEnum metaEnum = QMetaEnum::fromType<QBluetoothSocket::SocketError>(); |
| QString errorString = socket->peerName() + QLatin1Char(' ') |
| + metaEnum.valueToKey(error) + QLatin1String(" occurred"); |
| |
| emit socketErrorOccurred(errorString); |
| } |
| |
| //! [connected] |
| void ChatClient::connected() |
| { |
| emit connected(socket->peerName()); |
| } |
| //! [connected] |