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50
51 #include "chatclient.h"
52
53 #include <QtCore/qmetaobject.h>
54
ChatClient(QObject * parent)55 ChatClient::ChatClient(QObject *parent)
56 : QObject(parent)
57 {
58 }
59
~ChatClient()60 ChatClient::~ChatClient()
61 {
62 stopClient();
63 }
64
65 //! [startClient]
startClient(const QBluetoothServiceInfo & remoteService)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(remoteService);
75 qDebug() << "ConnectToService done";
76
77 connect(socket, &QBluetoothSocket::readyRead, this, &ChatClient::readSocket);
78 connect(socket, &QBluetoothSocket::connected, this, QOverload<>::of(&ChatClient::connected));
79 connect(socket, &QBluetoothSocket::disconnected, this, &ChatClient::disconnected);
80 connect(socket, QOverload<QBluetoothSocket::SocketError>::of(&QBluetoothSocket::error),
81 this, &ChatClient::onSocketErrorOccurred);
82
83 }
84 //! [startClient]
85
86 //! [stopClient]
stopClient()87 void ChatClient::stopClient()
88 {
89 delete socket;
90 socket = nullptr;
91 }
92 //! [stopClient]
93
94 //! [readSocket]
readSocket()95 void ChatClient::readSocket()
96 {
97 if (!socket)
98 return;
99
100 while (socket->canReadLine()) {
101 QByteArray line = socket->readLine();
102 emit messageReceived(socket->peerName(),
103 QString::fromUtf8(line.constData(), line.length()));
104 }
105 }
106 //! [readSocket]
107
108 //! [sendMessage]
sendMessage(const QString & message)109 void ChatClient::sendMessage(const QString &message)
110 {
111 QByteArray text = message.toUtf8() + '\n';
112 socket->write(text);
113 }
114 //! [sendMessage]
115
onSocketErrorOccurred(QBluetoothSocket::SocketError error)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(error) + QLatin1String(" occurred");
124
125 emit socketErrorOccurred(errorString);
126 }
127
128 //! [connected]
connected()129 void ChatClient::connected()
130 {
131 emit connected(socket->peerName());
132 }
133 //! [connected]
134