| 1 | /**************************************************************************** |
| 2 | ** |
| 3 | ** Copyright (C) 2017 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the QtBluetooth module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:BSD$ |
| 9 | ** Commercial License Usage |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
| 11 | ** accordance with the commercial license agreement provided with the |
| 12 | ** Software or, alternatively, in accordance with the terms contained in |
| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** BSD License Usage |
| 18 | ** Alternatively, you may use this file under the terms of the BSD license |
| 19 | ** as follows: |
| 20 | ** |
| 21 | ** "Redistribution and use in source and binary forms, with or without |
| 22 | ** modification, are permitted provided that the following conditions are |
| 23 | ** met: |
| 24 | ** * Redistributions of source code must retain the above copyright |
| 25 | ** notice, this list of conditions and the following disclaimer. |
| 26 | ** * Redistributions in binary form must reproduce the above copyright |
| 27 | ** notice, this list of conditions and the following disclaimer in |
| 28 | ** the documentation and/or other materials provided with the |
| 29 | ** distribution. |
| 30 | ** * Neither the name of The Qt Company Ltd nor the names of its |
| 31 | ** contributors may be used to endorse or promote products derived |
| 32 | ** from this software without specific prior written permission. |
| 33 | ** |
| 34 | ** |
| 35 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 36 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 37 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 38 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 39 | ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 40 | ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 41 | ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 42 | ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 43 | ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 44 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 45 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." |
| 46 | ** |
| 47 | ** $QT_END_LICENSE$ |
| 48 | ** |
| 49 | ****************************************************************************/ |
| 50 | |
| 51 | #include "chatserver.h" |
| 52 | |
| 53 | #include <QtBluetooth/qbluetoothserver.h> |
| 54 | #include <QtBluetooth/qbluetoothsocket.h> |
| 55 | |
| 56 | //! [Service UUID] |
| 57 | static const QLatin1String serviceUuid("e8e10f95-1a70-4b27-9ccf-02010264e9c8" ); |
| 58 | //! [Service UUID] |
| 59 | |
| 60 | ChatServer::ChatServer(QObject *parent) |
| 61 | : QObject(parent) |
| 62 | { |
| 63 | } |
| 64 | |
| 65 | ChatServer::~ChatServer() |
| 66 | { |
| 67 | stopServer(); |
| 68 | } |
| 69 | |
| 70 | void ChatServer::startServer(const QBluetoothAddress& localAdapter) |
| 71 | { |
| 72 | if (rfcommServer) |
| 73 | return; |
| 74 | |
| 75 | //! [Create the server] |
| 76 | rfcommServer = new QBluetoothServer(QBluetoothServiceInfo::RfcommProtocol, this); |
| 77 | connect(sender: rfcommServer, signal: &QBluetoothServer::newConnection, |
| 78 | receiver: this, slot: QOverload<>::of(ptr: &ChatServer::clientConnected)); |
| 79 | bool result = rfcommServer->listen(address: localAdapter); |
| 80 | if (!result) { |
| 81 | qWarning() << "Cannot bind chat server to" << localAdapter.toString(); |
| 82 | return; |
| 83 | } |
| 84 | //! [Create the server] |
| 85 | |
| 86 | //serviceInfo.setAttribute(QBluetoothServiceInfo::ServiceRecordHandle, (uint)0x00010010); |
| 87 | |
| 88 | QBluetoothServiceInfo::Sequence profileSequence; |
| 89 | QBluetoothServiceInfo::Sequence classId; |
| 90 | classId << QVariant::fromValue(value: QBluetoothUuid(QBluetoothUuid::SerialPort)); |
| 91 | classId << QVariant::fromValue(value: quint16(0x100)); |
| 92 | profileSequence.append(t: QVariant::fromValue(value: classId)); |
| 93 | serviceInfo.setAttribute(attributeId: QBluetoothServiceInfo::BluetoothProfileDescriptorList, |
| 94 | value: profileSequence); |
| 95 | |
| 96 | classId.clear(); |
| 97 | classId << QVariant::fromValue(value: QBluetoothUuid(serviceUuid)); |
| 98 | classId << QVariant::fromValue(value: QBluetoothUuid(QBluetoothUuid::SerialPort)); |
| 99 | |
| 100 | serviceInfo.setAttribute(attributeId: QBluetoothServiceInfo::ServiceClassIds, value: classId); |
| 101 | |
| 102 | //! [Service name, description and provider] |
| 103 | serviceInfo.setAttribute(attributeId: QBluetoothServiceInfo::ServiceName, value: tr(s: "Bt Chat Server" )); |
| 104 | serviceInfo.setAttribute(attributeId: QBluetoothServiceInfo::ServiceDescription, |
| 105 | value: tr(s: "Example bluetooth chat server" )); |
| 106 | serviceInfo.setAttribute(attributeId: QBluetoothServiceInfo::ServiceProvider, value: tr(s: "qt-project.org" )); |
| 107 | //! [Service name, description and provider] |
| 108 | |
| 109 | //! [Service UUID set] |
| 110 | serviceInfo.setServiceUuid(QBluetoothUuid(serviceUuid)); |
| 111 | //! [Service UUID set] |
| 112 | |
| 113 | //! [Service Discoverability] |
| 114 | QBluetoothServiceInfo::Sequence publicBrowse; |
| 115 | publicBrowse << QVariant::fromValue(value: QBluetoothUuid(QBluetoothUuid::PublicBrowseGroup)); |
| 116 | serviceInfo.setAttribute(attributeId: QBluetoothServiceInfo::BrowseGroupList, |
| 117 | value: publicBrowse); |
| 118 | //! [Service Discoverability] |
| 119 | |
| 120 | //! [Protocol descriptor list] |
| 121 | QBluetoothServiceInfo::Sequence protocolDescriptorList; |
| 122 | QBluetoothServiceInfo::Sequence protocol; |
| 123 | protocol << QVariant::fromValue(value: QBluetoothUuid(QBluetoothUuid::L2cap)); |
| 124 | protocolDescriptorList.append(t: QVariant::fromValue(value: protocol)); |
| 125 | protocol.clear(); |
| 126 | protocol << QVariant::fromValue(value: QBluetoothUuid(QBluetoothUuid::Rfcomm)) |
| 127 | << QVariant::fromValue(value: quint8(rfcommServer->serverPort())); |
| 128 | protocolDescriptorList.append(t: QVariant::fromValue(value: protocol)); |
| 129 | serviceInfo.setAttribute(attributeId: QBluetoothServiceInfo::ProtocolDescriptorList, |
| 130 | value: protocolDescriptorList); |
| 131 | //! [Protocol descriptor list] |
| 132 | |
| 133 | //! [Register service] |
| 134 | serviceInfo.registerService(localAdapter); |
| 135 | //! [Register service] |
| 136 | } |
| 137 | |
| 138 | //! [stopServer] |
| 139 | void ChatServer::stopServer() |
| 140 | { |
| 141 | // Unregister service |
| 142 | serviceInfo.unregisterService(); |
| 143 | |
| 144 | // Close sockets |
| 145 | qDeleteAll(c: clientSockets); |
| 146 | |
| 147 | // Close server |
| 148 | delete rfcommServer; |
| 149 | rfcommServer = nullptr; |
| 150 | } |
| 151 | //! [stopServer] |
| 152 | |
| 153 | //! [sendMessage] |
| 154 | void ChatServer::sendMessage(const QString &message) |
| 155 | { |
| 156 | QByteArray text = message.toUtf8() + '\n'; |
| 157 | |
| 158 | for (QBluetoothSocket *socket : qAsConst(t&: clientSockets)) |
| 159 | socket->write(data: text); |
| 160 | } |
| 161 | //! [sendMessage] |
| 162 | |
| 163 | //! [clientConnected] |
| 164 | void ChatServer::clientConnected() |
| 165 | { |
| 166 | QBluetoothSocket *socket = rfcommServer->nextPendingConnection(); |
| 167 | if (!socket) |
| 168 | return; |
| 169 | |
| 170 | connect(sender: socket, signal: &QBluetoothSocket::readyRead, receiver: this, slot: &ChatServer::readSocket); |
| 171 | connect(sender: socket, signal: &QBluetoothSocket::disconnected, receiver: this, slot: QOverload<>::of(ptr: &ChatServer::clientDisconnected)); |
| 172 | clientSockets.append(t: socket); |
| 173 | emit clientConnected(name: socket->peerName()); |
| 174 | } |
| 175 | //! [clientConnected] |
| 176 | |
| 177 | //! [clientDisconnected] |
| 178 | void ChatServer::clientDisconnected() |
| 179 | { |
| 180 | QBluetoothSocket *socket = qobject_cast<QBluetoothSocket *>(object: sender()); |
| 181 | if (!socket) |
| 182 | return; |
| 183 | |
| 184 | emit clientDisconnected(name: socket->peerName()); |
| 185 | |
| 186 | clientSockets.removeOne(t: socket); |
| 187 | |
| 188 | socket->deleteLater(); |
| 189 | } |
| 190 | //! [clientDisconnected] |
| 191 | |
| 192 | //! [readSocket] |
| 193 | void ChatServer::readSocket() |
| 194 | { |
| 195 | QBluetoothSocket *socket = qobject_cast<QBluetoothSocket *>(object: sender()); |
| 196 | if (!socket) |
| 197 | return; |
| 198 | |
| 199 | while (socket->canReadLine()) { |
| 200 | QByteArray line = socket->readLine().trimmed(); |
| 201 | emit messageReceived(sender: socket->peerName(), |
| 202 | message: QString::fromUtf8(str: line.constData(), size: line.length())); |
| 203 | } |
| 204 | } |
| 205 | //! [readSocket] |
| 206 | |