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2 | ** |
3 | ** Copyright (C) 2017 The Qt Company Ltd. |
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5 | ** |
6 | ** This file is part of the QtBluetooth module of the Qt Toolkit. |
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50 | |
51 | #include "chatclient.h" |
52 | |
53 | #include <QtCore/qmetaobject.h> |
54 | |
55 | ChatClient::ChatClient(QObject *parent) |
56 | : QObject(parent) |
57 | { |
58 | } |
59 | |
60 | ChatClient::~ChatClient() |
61 | { |
62 | stopClient(); |
63 | } |
64 | |
65 | //! [startClient] |
66 | void ChatClient::startClient(const QBluetoothServiceInfo &remoteService) |
67 | { |
68 | if (socket) |
69 | return; |
70 | |
71 | // Connect to service |
72 | socket = new QBluetoothSocket(QBluetoothServiceInfo::RfcommProtocol); |
73 | qDebug() << "Create socket" ; |
74 | socket->connectToService(service: remoteService); |
75 | qDebug() << "ConnectToService done" ; |
76 | |
77 | connect(sender: socket, signal: &QBluetoothSocket::readyRead, receiver: this, slot: &ChatClient::readSocket); |
78 | connect(sender: socket, signal: &QBluetoothSocket::connected, receiver: this, slot: QOverload<>::of(ptr: &ChatClient::connected)); |
79 | connect(sender: socket, signal: &QBluetoothSocket::disconnected, receiver: this, slot: &ChatClient::disconnected); |
80 | connect(sender: socket, signal: QOverload<QBluetoothSocket::SocketError>::of(ptr: &QBluetoothSocket::error), |
81 | receiver: this, slot: &ChatClient::onSocketErrorOccurred); |
82 | |
83 | } |
84 | //! [startClient] |
85 | |
86 | //! [stopClient] |
87 | void ChatClient::stopClient() |
88 | { |
89 | delete socket; |
90 | socket = nullptr; |
91 | } |
92 | //! [stopClient] |
93 | |
94 | //! [readSocket] |
95 | void ChatClient::readSocket() |
96 | { |
97 | if (!socket) |
98 | return; |
99 | |
100 | while (socket->canReadLine()) { |
101 | QByteArray line = socket->readLine(); |
102 | emit messageReceived(sender: socket->peerName(), |
103 | message: QString::fromUtf8(str: line.constData(), size: line.length())); |
104 | } |
105 | } |
106 | //! [readSocket] |
107 | |
108 | //! [sendMessage] |
109 | void ChatClient::sendMessage(const QString &message) |
110 | { |
111 | QByteArray text = message.toUtf8() + '\n'; |
112 | socket->write(data: text); |
113 | } |
114 | //! [sendMessage] |
115 | |
116 | void ChatClient::onSocketErrorOccurred(QBluetoothSocket::SocketError error) |
117 | { |
118 | if (error == QBluetoothSocket::NoSocketError) |
119 | return; |
120 | |
121 | QMetaEnum metaEnum = QMetaEnum::fromType<QBluetoothSocket::SocketError>(); |
122 | QString errorString = socket->peerName() + QLatin1Char(' ') |
123 | + metaEnum.valueToKey(value: error) + QLatin1String(" occurred" ); |
124 | |
125 | emit socketErrorOccurred(errorString); |
126 | } |
127 | |
128 | //! [connected] |
129 | void ChatClient::connected() |
130 | { |
131 | emit connected(name: socket->peerName()); |
132 | } |
133 | //! [connected] |
134 | |