Revision control
++ // Copyright (C) 2017 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "chatclient.h"
++
++ #include <QMetaEnum>
++ #include <QMetaObject>
++
++ #include <QBluetoothServiceInfo>
++
++ using namespace Qt::StringLiterals;
++
++ 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, &QBluetoothSocket::errorOccurred, 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().trimmed();
++ 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::SocketError::NoSocketError)
++ return;
++
++ QMetaEnum metaEnum = QMetaEnum::fromType<QBluetoothSocket::SocketError>();
++ QString errorString = socket->peerName() + ' '_L1
++ + metaEnum.valueToKey(static_cast<int>(error)) + " occurred"_L1;
++
++ emit socketErrorOccurred(errorString);
++ }
++
++ //! [connected]
++ void ChatClient::connected()
++ {
++ emit connected(socket->peerName());
++ }
++ //! [connected]