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
|
// 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 "chromeos/dbus/peer_daemon_manager_client.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/logging.h"
#include "base/memory/weak_ptr.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "dbus/object_proxy.h"
#include "dbus/values_util.h"
namespace chromeos {
namespace {
// TODO(benchan): Move these constants to system_api.
namespace peerd {
const char kPeerdServiceName[] = "org.chromium.peerd";
const char kPeerdManagerPath[] = "/org/chromium/peerd/Manager";
const char kManagerInterface[] = "org.chromium.peerd.Manager";
const char kStartMonitoringMethod[] = "StartMonitoring";
const char kStopMonitoringMethod[] = "StopMonitoring";
const char kExposeServiceMethod[] = "ExposeService";
const char kRemoveExposedServiceMethod[] = "RemoveExposedService";
const char kPingMethod[] = "Ping";
} // namespace peerd
// The PeerDaemonManagerClient implementation used in production.
class PeerDaemonManagerClientImpl : public PeerDaemonManagerClient {
public:
PeerDaemonManagerClientImpl();
~PeerDaemonManagerClientImpl() override;
// DBusClient overrides:
void Init(dbus::Bus* bus) override;
// PeerDaemonManagerClient overrides:
void StartMonitoring(
const std::vector<std::string>& requested_technologies,
const base::DictionaryValue& options,
const StringDBusMethodCallback& callback) override;
void StopMonitoring(const std::string& monitoring_token,
const VoidDBusMethodCallback& callback) override;
void ExposeService(
const std::string& service_id,
const std::map<std::string, std::string>& service_info,
const base::DictionaryValue& options,
const StringDBusMethodCallback& callback) override;
void RemoveExposedService(const std::string& service_token,
const VoidDBusMethodCallback& callback) override;
void Ping(const StringDBusMethodCallback& callback) override;
private:
void OnStringDBusMethod(const StringDBusMethodCallback& callback,
dbus::Response* response);
void OnVoidDBusMethod(const VoidDBusMethodCallback& callback,
dbus::Response* response);
dbus::ObjectProxy* peer_daemon_proxy_;
base::WeakPtrFactory<PeerDaemonManagerClientImpl> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(PeerDaemonManagerClientImpl);
};
PeerDaemonManagerClientImpl::PeerDaemonManagerClientImpl()
: peer_daemon_proxy_(nullptr), weak_ptr_factory_(this) {
}
PeerDaemonManagerClientImpl::~PeerDaemonManagerClientImpl() {
}
void PeerDaemonManagerClientImpl::StartMonitoring(
const std::vector<std::string>& requested_technologies,
const base::DictionaryValue& options,
const StringDBusMethodCallback& callback) {
dbus::MethodCall method_call(peerd::kManagerInterface,
peerd::kStartMonitoringMethod);
dbus::MessageWriter writer(&method_call);
writer.AppendArrayOfStrings(requested_technologies);
dbus::AppendValueData(&writer, options);
peer_daemon_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::Bind(&PeerDaemonManagerClientImpl::OnStringDBusMethod,
weak_ptr_factory_.GetWeakPtr(),
callback));
}
void PeerDaemonManagerClientImpl::StopMonitoring(
const std::string& monitoring_token,
const VoidDBusMethodCallback& callback) {
dbus::MethodCall method_call(peerd::kManagerInterface,
peerd::kStopMonitoringMethod);
dbus::MessageWriter writer(&method_call);
writer.AppendString(monitoring_token);
peer_daemon_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::Bind(&PeerDaemonManagerClientImpl::OnVoidDBusMethod,
weak_ptr_factory_.GetWeakPtr(),
callback));
}
void PeerDaemonManagerClientImpl::ExposeService(
const std::string& service_id,
const std::map<std::string, std::string>& service_info,
const base::DictionaryValue& options,
const StringDBusMethodCallback& callback) {
dbus::MethodCall method_call(peerd::kManagerInterface,
peerd::kExposeServiceMethod);
dbus::MessageWriter writer(&method_call);
writer.AppendString(service_id);
dbus::MessageWriter array_writer(nullptr);
writer.OpenArray("{ss}", &array_writer);
for (const auto& entry : service_info) {
dbus::MessageWriter dict_entry_writer(nullptr);
array_writer.OpenDictEntry(&dict_entry_writer);
dict_entry_writer.AppendString(entry.first);
dict_entry_writer.AppendString(entry.second);
array_writer.CloseContainer(&dict_entry_writer);
}
writer.CloseContainer(&array_writer);
dbus::AppendValueData(&writer, options);
peer_daemon_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::Bind(&PeerDaemonManagerClientImpl::OnStringDBusMethod,
weak_ptr_factory_.GetWeakPtr(),
callback));
}
void PeerDaemonManagerClientImpl::RemoveExposedService(
const std::string& service_token,
const VoidDBusMethodCallback& callback) {
dbus::MethodCall method_call(peerd::kManagerInterface,
peerd::kRemoveExposedServiceMethod);
dbus::MessageWriter writer(&method_call);
writer.AppendString(service_token);
peer_daemon_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::Bind(&PeerDaemonManagerClientImpl::OnVoidDBusMethod,
weak_ptr_factory_.GetWeakPtr(),
callback));
}
void PeerDaemonManagerClientImpl::Ping(
const StringDBusMethodCallback& callback) {
dbus::MethodCall method_call(peerd::kManagerInterface,
peerd::kPingMethod);
dbus::MessageWriter writer(&method_call);
peer_daemon_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::Bind(&PeerDaemonManagerClientImpl::OnStringDBusMethod,
weak_ptr_factory_.GetWeakPtr(),
callback));
}
void PeerDaemonManagerClientImpl::OnStringDBusMethod(
const StringDBusMethodCallback& callback,
dbus::Response* response) {
if (!response) {
callback.Run(DBUS_METHOD_CALL_FAILURE, std::string());
return;
}
dbus::MessageReader reader(response);
std::string result;
if (!reader.PopString(&result)) {
callback.Run(DBUS_METHOD_CALL_FAILURE, std::string());
return;
}
callback.Run(DBUS_METHOD_CALL_SUCCESS, result);
}
void PeerDaemonManagerClientImpl::OnVoidDBusMethod(
const VoidDBusMethodCallback& callback,
dbus::Response* response) {
callback.Run(response ? DBUS_METHOD_CALL_SUCCESS : DBUS_METHOD_CALL_FAILURE);
}
void PeerDaemonManagerClientImpl::Init(dbus::Bus* bus) {
peer_daemon_proxy_ =
bus->GetObjectProxy(peerd::kPeerdServiceName,
dbus::ObjectPath(peerd::kPeerdManagerPath));
}
} // namespace
PeerDaemonManagerClient::PeerDaemonManagerClient() {
}
PeerDaemonManagerClient::~PeerDaemonManagerClient() {
}
// static
PeerDaemonManagerClient* PeerDaemonManagerClient::Create() {
return new PeerDaemonManagerClientImpl();
}
} // namespace chromeos
|
