1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
#include <QtCore/QDebug>
#ifdef MANUAL_SDP
#include <bluetooth/sdp.h>
#include <bluetooth/sdp_lib.h>
#endif
#include "saprotocol.h"
#include "sapbtlistener.h"
#include "sapbtpeer.h"
#ifdef DESKTOP
#include "hfpag.h"
#endif
namespace
{
#ifdef MANUAL_SDP
// Basically, QBluetoothServiceInfo is not yet compatible with Bluez5,
// so we hack around it by doing our own SDP connection.
void add_sdp_record(sdp_session_t *session, const QBluetoothUuid &btuuid, quint16 port)
{
sdp_list_t *svclass_id, *apseq, *root;
uuid_t root_uuid, svclass_uuid, l2cap_uuid, rfcomm_uuid;
sdp_list_t *aproto, *proto[2];
sdp_data_t *chan;
sdp_record_t *record = sdp_record_alloc();
sdp_set_info_attr(record, "SAP", "gearbttest", "Samsung Accessory Protocol");
sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP);
root = sdp_list_append(0, &root_uuid);
sdp_set_browse_groups(record, root);
QByteArray uuid = btuuid.toRfc4122();
sdp_uuid128_create(&svclass_uuid, uuid.constData());
svclass_id = sdp_list_append(0, &svclass_uuid);
sdp_set_service_classes(record, svclass_id);
sdp_uuid16_create(&l2cap_uuid, L2CAP_UUID);
proto[0] = sdp_list_append(0, &l2cap_uuid);
apseq = sdp_list_append(0, proto[0]);
sdp_uuid16_create(&rfcomm_uuid, RFCOMM_UUID);
proto[1] = sdp_list_append(0, &rfcomm_uuid);
chan = sdp_data_alloc(SDP_UINT8, &port);
proto[1] = sdp_list_append(proto[1], chan);
apseq = sdp_list_append(apseq, proto[1]);
aproto = sdp_list_append(0, apseq);
sdp_set_access_protos(record, aproto);
if (sdp_record_register(session, record, 0) < 0) {
qWarning() << "sdp_record_register failed";
}
}
void add_sdp_records(quint16 port)
{
bdaddr_t addr_any = {{0, 0, 0, 0, 0, 0}};
bdaddr_t addr_local = {{0, 0, 0, 0xFF, 0xFF, 0xFF}};
sdp_session_t *sess = sdp_connect(&addr_any, &addr_local, 0);
if (!sess) {
qWarning() << "sdp_connect failed";
return;
}
add_sdp_record(sess, SAProtocol::dataServiceUuid, port);
}
#endif
}
SAPBTListener::SAPBTListener(QObject *parent) :
QObject(parent), _server(0)
{
}
SAPBTListener::~SAPBTListener()
{
stop();
}
void SAPBTListener::start()
{
if (_server) {
return;
}
#if QT_VERSION >= QT_VERSION_CHECK(5,2,0)
_server = new QBluetoothServer(QBluetoothServiceInfo::RfcommProtocol, this);
#else
_server = new QRfcommServer(this);
#endif
connect(_server, SIGNAL(newConnection()), this, SLOT(acceptConnection()));
if (!_server->listen(QBluetoothAddress(), 0)) {
qWarning() << "Failed to start Bluetooth listener socket";
stop();
return;
}
quint8 serverPort = _server->serverPort();
#if MANUAL_SDP
// Basically, QBluetoothServiceInfo is not yet compatible with Bluez5,
// so we hack around it by doing our own SDP connection.
add_sdp_records(serverPort);
#else
/*
Service Name: SAP
Service RecHandle: 0x1000b
Service Class ID List:
UUID 128: a49eb41e-cb06-495c-9f4f-bb80a90cdf00
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 5
Service Name: SAP
Service RecHandle: 0x1000c
Service Class ID List:
UUID 128: a49eb41e-cb06-495c-9f4f-aa80a90cdf4a
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 6
*/
_service.setServiceName("SAP");
_service.setServiceDescription("Samsung Accessory Profile");
_service.setServiceProvider("gearbtteest");
QBluetoothServiceInfo::Sequence classIds;
classIds.append(QVariant::fromValue(SAProtocol::dataServiceUuid));
_service.setAttribute(QBluetoothServiceInfo::ServiceClassIds, classIds);
QBluetoothServiceInfo::Sequence browseGroupList;
browseGroupList.append(QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::PublicBrowseGroup)));
_service.setAttribute(QBluetoothServiceInfo::BrowseGroupList, browseGroupList);
QBluetoothServiceInfo::Sequence protocolDescriptorList;
QBluetoothServiceInfo::Sequence protocol;
protocol.append(QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::L2cap)));
protocolDescriptorList.append(QVariant::fromValue(protocol));
protocol.clear();
protocol.append(QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::Rfcomm)));
protocol.append(QVariant::fromValue(serverPort));
protocolDescriptorList.append(QVariant::fromValue(protocol));
protocol.clear();
_service.setAttribute(QBluetoothServiceInfo::ProtocolDescriptorList,
protocolDescriptorList);
if (!_service.registerService()) {
qWarning() << "Failed to register the SAP service";
}
#endif
}
void SAPBTListener::stop()
{
if (!_server) {
return;
}
if (!_service.unregisterService()) {
qWarning() << "Failed to unregister SAP service";
}
delete _server;
_server = 0;
}
void SAPBTListener::nudge(const QBluetoothAddress &address)
{
#if QT_VERSION >= QT_VERSION_CHECK(5,2,0)
QBluetoothSocket *socket = new QBluetoothSocket(QBluetoothServiceInfo::RfcommProtocol, this);
#else
QBluetoothSocket *socket = new QBluetoothSocket(QBluetoothSocket::RfcommSocket, this);
#endif
connect(socket, SIGNAL(connected()), socket, SLOT(deleteLater()));
connect(socket, SIGNAL(error(QBluetoothSocket::SocketError)),
this, SLOT(handleNudgeError(QBluetoothSocket::SocketError)));
qDebug() << "Nudging" << address.toString();
socket->connectToService(address, 2); //SAPProtocol::nudgeServiceUuid);
#if DESKTOP
// At the same time set up and HFP connection to the watch.
new HfpAg(address, this);
#endif
}
void SAPBTListener::acceptConnection()
{
qDebug() << "Incoming BT connection";
QBluetoothSocket *socket = _server->nextPendingConnection();
if (!socket) {
qWarning() << "Actually, no incoming connection";
return;
}
qDebug() << "Got connection";
// TODO Why am I hardcoding the role here
new SAPBTPeer(SAProtocol::ClientRole, socket, this);
}
void SAPBTListener::handleNudgeError(QBluetoothSocket::SocketError error)
{
QBluetoothSocket *socket = static_cast<QBluetoothSocket*>(sender());
qWarning() << "Cannot nudge:" << error << socket->errorString();
socket->abort();
socket->deleteLater();
}
|
