1//
2// Copyright (C) 2015 The Android Open Source Project
3//
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at
7//
8//      http://www.apache.org/licenses/LICENSE-2.0
9//
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15//
16
17#include "shill/dbus/chromeos_modem_gsm_network_proxy.h"
18
19#include <memory>
20
21#if defined(__ANDROID__)
22#include <dbus/service_constants.h>
23#else
24#include <chromeos/dbus/service_constants.h>
25#endif  // __ANDROID__
26
27#include "shill/cellular/cellular_error.h"
28#include "shill/error.h"
29#include "shill/logging.h"
30
31using std::string;
32
33namespace shill {
34
35namespace Logging {
36static auto kModuleLogScope = ScopeLogger::kDBus;
37static string ObjectID(const dbus::ObjectPath* p) { return p->value(); }
38}  // namespace Logging
39
40// static.
41const char ChromeosModemGSMNetworkProxy::kPropertyAccessTechnology[] =
42    "AccessTechnology";
43
44ChromeosModemGSMNetworkProxy::PropertySet::PropertySet(
45    dbus::ObjectProxy* object_proxy,
46    const std::string& interface_name,
47    const PropertyChangedCallback& callback)
48    : dbus::PropertySet(object_proxy, interface_name, callback) {
49  RegisterProperty(kPropertyAccessTechnology, &access_technology);
50}
51
52ChromeosModemGSMNetworkProxy::ChromeosModemGSMNetworkProxy(
53    const scoped_refptr<dbus::Bus>& bus,
54    const string& path,
55    const string& service)
56    : proxy_(
57        new org::freedesktop::ModemManager::Modem::Gsm::NetworkProxy(
58            bus, service, dbus::ObjectPath(path))) {
59  // Register signal handlers.
60  proxy_->RegisterSignalQualitySignalHandler(
61      base::Bind(&ChromeosModemGSMNetworkProxy::SignalQuality,
62                 weak_factory_.GetWeakPtr()),
63      base::Bind(&ChromeosModemGSMNetworkProxy::OnSignalConnected,
64                 weak_factory_.GetWeakPtr()));
65  proxy_->RegisterRegistrationInfoSignalHandler(
66      base::Bind(&ChromeosModemGSMNetworkProxy::RegistrationInfo,
67                 weak_factory_.GetWeakPtr()),
68      base::Bind(&ChromeosModemGSMNetworkProxy::OnSignalConnected,
69                 weak_factory_.GetWeakPtr()));
70  proxy_->RegisterNetworkModeSignalHandler(
71      base::Bind(&ChromeosModemGSMNetworkProxy::NetworkMode,
72                 weak_factory_.GetWeakPtr()),
73      base::Bind(&ChromeosModemGSMNetworkProxy::OnSignalConnected,
74                 weak_factory_.GetWeakPtr()));
75
76  // Register properties.
77  properties_.reset(
78      new PropertySet(
79          proxy_->GetObjectProxy(),
80          cromo::kModemGsmNetworkInterface,
81          base::Bind(&ChromeosModemGSMNetworkProxy::OnPropertyChanged,
82                     weak_factory_.GetWeakPtr())));
83
84  // Connect property signals and initialize cached values. Based on
85  // recommendations from src/dbus/property.h.
86  properties_->ConnectSignals();
87  properties_->GetAll();
88}
89
90ChromeosModemGSMNetworkProxy::~ChromeosModemGSMNetworkProxy() {}
91
92void ChromeosModemGSMNetworkProxy::GetRegistrationInfo(
93    Error* error,
94    const RegistrationInfoCallback& callback,
95    int timeout) {
96  SLOG(&proxy_->GetObjectPath(), 2) << __func__;
97  proxy_->GetRegistrationInfoAsync(
98      base::Bind(&ChromeosModemGSMNetworkProxy::OnGetRegistrationInfoSuccess,
99                 weak_factory_.GetWeakPtr(),
100                 callback),
101      base::Bind(&ChromeosModemGSMNetworkProxy::OnGetRegistrationInfoFailure,
102                 weak_factory_.GetWeakPtr(),
103                 callback));
104}
105
106void ChromeosModemGSMNetworkProxy::GetSignalQuality(
107    Error* error,
108    const SignalQualityCallback& callback,
109    int timeout) {
110  SLOG(&proxy_->GetObjectPath(), 2) << __func__;
111  proxy_->GetSignalQualityAsync(
112      base::Bind(&ChromeosModemGSMNetworkProxy::OnGetSignalQualitySuccess,
113                 weak_factory_.GetWeakPtr(),
114                 callback),
115      base::Bind(&ChromeosModemGSMNetworkProxy::OnGetSignalQualityFailure,
116                 weak_factory_.GetWeakPtr(),
117                 callback));
118}
119
120void ChromeosModemGSMNetworkProxy::Register(const string& network_id,
121                                            Error* error,
122                                            const ResultCallback& callback,
123                                            int timeout) {
124  SLOG(&proxy_->GetObjectPath(), 2) << __func__ << ": " << network_id;
125  proxy_->RegisterAsync(
126      network_id,
127      base::Bind(&ChromeosModemGSMNetworkProxy::OnRegisterSuccess,
128                 weak_factory_.GetWeakPtr(),
129                 callback),
130      base::Bind(&ChromeosModemGSMNetworkProxy::OnRegisterFailure,
131                 weak_factory_.GetWeakPtr(),
132                 callback));
133}
134
135void ChromeosModemGSMNetworkProxy::Scan(Error* error,
136                                        const ScanResultsCallback& callback,
137                                        int timeout) {
138  SLOG(&proxy_->GetObjectPath(), 2) << __func__;
139  proxy_->ScanAsync(
140      base::Bind(&ChromeosModemGSMNetworkProxy::OnScanSuccess,
141                 weak_factory_.GetWeakPtr(),
142                 callback),
143      base::Bind(&ChromeosModemGSMNetworkProxy::OnScanFailure,
144                 weak_factory_.GetWeakPtr(),
145                 callback));
146}
147
148uint32_t ChromeosModemGSMNetworkProxy::AccessTechnology() {
149  SLOG(&proxy_->GetObjectPath(), 2) << __func__;
150  if (!properties_->access_technology.GetAndBlock()) {
151    LOG(ERROR) << "Failed to get AccessTechnology";
152    return 0;
153  }
154  return properties_->access_technology.value();
155}
156
157void ChromeosModemGSMNetworkProxy::SignalQuality(uint32_t quality) {
158  SLOG(&proxy_->GetObjectPath(), 2) << __func__ << "(" << quality << ")";
159  if (signal_quality_callback_.is_null()) {
160    return;
161  }
162  signal_quality_callback_.Run(quality);
163}
164
165void ChromeosModemGSMNetworkProxy::RegistrationInfo(
166    uint32_t status, const string& operator_code, const string& operator_name) {
167  SLOG(&proxy_->GetObjectPath(), 2) << __func__ << "(" << status << ", "
168      << operator_code << ", " << operator_name << ")";
169  if (registration_info_callback_.is_null()) {
170    return;
171  }
172  registration_info_callback_.Run(status, operator_code, operator_name);
173}
174
175void ChromeosModemGSMNetworkProxy::NetworkMode(uint32_t mode) {
176  SLOG(&proxy_->GetObjectPath(), 2) << __func__ << "(" << mode << ")";
177  if (network_mode_callback_.is_null()) {
178    return;
179  }
180  network_mode_callback_.Run(mode);
181}
182
183void ChromeosModemGSMNetworkProxy::OnRegisterSuccess(
184    const ResultCallback& callback) {
185  SLOG(&proxy_->GetObjectPath(), 2) << __func__;
186  callback.Run(Error());
187}
188
189void ChromeosModemGSMNetworkProxy::OnRegisterFailure(
190    const ResultCallback& callback, brillo::Error* dbus_error) {
191  SLOG(&proxy_->GetObjectPath(), 2) << __func__;
192  Error error;
193  CellularError::FromChromeosDBusError(dbus_error, &error);
194  callback.Run(error);
195}
196
197void ChromeosModemGSMNetworkProxy::OnGetRegistrationInfoSuccess(
198    const RegistrationInfoCallback& callback,
199    const GSMRegistrationInfo& info) {
200  SLOG(&proxy_->GetObjectPath(), 2) << __func__;
201  callback.Run(
202      std::get<0>(info), std::get<1>(info), std::get<2>(info), Error());
203}
204
205void ChromeosModemGSMNetworkProxy::OnGetRegistrationInfoFailure(
206    const RegistrationInfoCallback& callback,
207    brillo::Error* dbus_error) {
208  SLOG(&proxy_->GetObjectPath(), 2) << __func__;
209  Error error;
210  CellularError::FromChromeosDBusError(dbus_error, &error);
211  callback.Run(0, "", "", error);
212}
213
214void ChromeosModemGSMNetworkProxy::OnGetSignalQualitySuccess(
215    const SignalQualityCallback& callback, uint32_t quality) {
216  SLOG(&proxy_->GetObjectPath(), 2) << __func__ << "(" << quality << ")";
217  callback.Run(quality, Error());
218}
219
220void ChromeosModemGSMNetworkProxy::OnGetSignalQualityFailure(
221    const SignalQualityCallback& callback, brillo::Error* dbus_error) {
222  SLOG(&proxy_->GetObjectPath(), 2) << __func__;
223  Error error;
224  CellularError::FromChromeosDBusError(dbus_error, &error);
225  callback.Run(0, error);
226}
227
228void ChromeosModemGSMNetworkProxy::OnScanSuccess(
229    const ScanResultsCallback& callback, const GSMScanResults& results) {
230  SLOG(&proxy_->GetObjectPath(), 2) << __func__;
231  callback.Run(results, Error());
232}
233
234void ChromeosModemGSMNetworkProxy::OnScanFailure(
235    const ScanResultsCallback& callback, brillo::Error* dbus_error) {
236  SLOG(&proxy_->GetObjectPath(), 2) << __func__;
237  Error error;
238  CellularError::FromChromeosDBusError(dbus_error, &error);
239  callback.Run(GSMScanResults(), error);
240}
241
242void ChromeosModemGSMNetworkProxy::OnSignalConnected(
243    const string& interface_name, const string& signal_name, bool success) {
244  SLOG(&proxy_->GetObjectPath(), 2) << __func__
245      << "interface: " << interface_name
246             << " signal: " << signal_name << "success: " << success;
247  if (!success) {
248    LOG(ERROR) << "Failed to connect signal " << signal_name
249        << " to interface " << interface_name;
250  }
251}
252
253void ChromeosModemGSMNetworkProxy::OnPropertyChanged(
254    const string& property_name) {
255  SLOG(&proxy_->GetObjectPath(), 2) << __func__ << ": " << property_name;
256}
257
258}  // namespace shill
259