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
|
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/copresence_endpoints/public/copresence_endpoint.h"
#include <stdint.h>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/format_macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string_number_conversions.h"
#include "components/copresence_endpoints/transports/bluetooth/copresence_socket_bluetooth.h"
#include "device/bluetooth/bluetooth_adapter.h"
#include "device/bluetooth/bluetooth_adapter_factory.h"
#include "device/bluetooth/bluetooth_device.h"
#include "device/bluetooth/bluetooth_socket.h"
#include "device/bluetooth/bluetooth_uuid.h"
namespace {
const char kAdapterError[] = "NOADAPTER";
const char kSocketServiceUuid[] = "2491fb14-0077-4d4d-bd41-b18e9a570f56";
// This class will confirm pairing for a device that is expecting a pairing
// confirmation.
class DefaultApprovalDelegate
: public device::BluetoothDevice::PairingDelegate {
public:
DefaultApprovalDelegate() {}
~DefaultApprovalDelegate() override {}
// device::BluetoothDevice::PairingDelegate overrides:
void RequestPinCode(device::BluetoothDevice* device) override {}
void RequestPasskey(device::BluetoothDevice* device) override {}
void DisplayPinCode(device::BluetoothDevice* device,
const std::string& pincode) override {}
void DisplayPasskey(device::BluetoothDevice* device,
uint32 passkey) override {}
void KeysEntered(device::BluetoothDevice* device, uint32 entered) override {}
void ConfirmPasskey(device::BluetoothDevice* device,
uint32 passkey) override {}
void AuthorizePairing(device::BluetoothDevice* device) override {
if (device->ExpectingConfirmation())
device->ConfirmPairing();
}
};
} // namespace
namespace copresence_endpoints {
CopresenceEndpoint::CopresenceEndpoint(
int endpoint_id,
const CreateEndpointCallback& create_callback,
const base::Closure& accept_callback,
const CopresenceSocket::ReceiveCallback& receive_callback)
: endpoint_id_(endpoint_id),
create_callback_(create_callback),
accept_callback_(accept_callback),
receive_callback_(receive_callback),
delegate_(nullptr),
weak_ptr_factory_(this) {
CHECK(!create_callback.is_null());
CHECK(!accept_callback.is_null());
CHECK(!receive_callback.is_null());
if (!device::BluetoothAdapterFactory::IsBluetoothAdapterAvailable()) {
create_callback_.Run(std::string());
return;
}
device::BluetoothAdapterFactory::GetAdapter(base::Bind(
&CopresenceEndpoint::OnGetAdapter, weak_ptr_factory_.GetWeakPtr()));
}
CopresenceEndpoint::~CopresenceEndpoint() {
server_socket_->Disconnect(base::Bind(&base::DoNothing));
server_socket_->Close();
if (delegate_)
adapter_->RemovePairingDelegate(delegate_.get());
}
std::string CopresenceEndpoint::GetLocator() {
if (!adapter_.get())
return kAdapterError;
return base::IntToString(endpoint_id_) + "." + adapter_->GetAddress() + "." +
kSocketServiceUuid;
}
bool CopresenceEndpoint::Send(const scoped_refptr<net::IOBuffer>& buffer,
int buffer_size) {
if (!client_socket_)
return false;
return client_socket_->Send(buffer, buffer_size);
}
// Private methods.
void CopresenceEndpoint::OnGetAdapter(
scoped_refptr<device::BluetoothAdapter> adapter) {
if (!adapter.get() || !adapter->IsPresent() || !adapter->IsPowered()) {
LOG(WARNING) << "Unable to use BT adapter";
create_callback_.Run(std::string());
return;
}
adapter_ = adapter;
delegate_ = make_scoped_ptr(new DefaultApprovalDelegate());
VLOG(2) << "Got Adapter, creating service with UUID: " << kSocketServiceUuid;
adapter_->AddPairingDelegate(
delegate_.get(),
device::BluetoothAdapter::PAIRING_DELEGATE_PRIORITY_HIGH);
adapter_->CreateRfcommService(
device::BluetoothUUID(kSocketServiceUuid),
device::BluetoothAdapter::ServiceOptions(),
base::Bind(&CopresenceEndpoint::OnCreateService,
weak_ptr_factory_.GetWeakPtr()),
base::Bind(&CopresenceEndpoint::OnCreateServiceError,
weak_ptr_factory_.GetWeakPtr()));
}
void CopresenceEndpoint::OnCreateService(
scoped_refptr<device::BluetoothSocket> socket) {
if (!socket.get()) {
LOG(WARNING) << "Couldn't create service!";
create_callback_.Run(std::string());
return;
}
VLOG(3) << "Starting Accept Socket.";
server_socket_ = socket;
create_callback_.Run(GetLocator());
server_socket_->Accept(
base::Bind(&CopresenceEndpoint::OnAccept, weak_ptr_factory_.GetWeakPtr()),
base::Bind(&CopresenceEndpoint::OnAcceptError,
weak_ptr_factory_.GetWeakPtr()));
}
void CopresenceEndpoint::OnCreateServiceError(const std::string& message) {
LOG(WARNING) << "Couldn't create Bluetooth service: " << message;
create_callback_.Run(std::string());
}
void CopresenceEndpoint::OnAccept(
const device::BluetoothDevice* device,
scoped_refptr<device::BluetoothSocket> socket) {
if (!socket.get())
return;
VLOG(3) << "Accepted Socket.";
client_socket_.reset(new CopresenceSocketBluetooth(socket));
accept_callback_.Run();
client_socket_->Receive(receive_callback_);
}
void CopresenceEndpoint::OnAcceptError(const std::string& message) {
LOG(WARNING) << "Couldn't accept Bluetooth connection: " << message;
}
} // namespace copresence_endpoints
|
