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
|
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/dbus/shill/modem_3gpp_client.h"
#include <map>
#include <memory>
#include <utility>
#include "ash/constants/ash_features.h"
#include "base/functional/bind.h"
#include "base/logging.h"
#include "base/memory/weak_ptr.h"
#include "base/values.h"
#include "chromeos/ash/components/dbus/shill/fake_modem_3gpp_client.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "dbus/object_proxy.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace ash {
namespace {
Modem3gppClient* g_instance = nullptr;
// A class which makes method calls for 3gpp services via the
// org.freedesktop.ModemManager1.3gpp object.
class Modem3gppProxy {
public:
Modem3gppProxy(dbus::Bus* bus,
const std::string& service_name,
const dbus::ObjectPath& object_path)
: proxy_(bus->GetObjectProxy(service_name, object_path)),
service_name_(service_name) {}
Modem3gppProxy(const Modem3gppProxy&) = delete;
Modem3gppProxy& operator=(const Modem3gppProxy&) = delete;
virtual ~Modem3gppProxy() = default;
// Calls SetCarrierLock method.
void SetCarrierLock(const std::string& config,
Modem3gppClient::CarrierLockCallback callback) {
dbus::MethodCall method_call(modemmanager::kModemManager13gppInterface,
modemmanager::kModem3gppSetCarrierLock);
dbus::MessageWriter writer(&method_call);
writer.AppendArrayOfBytes(base::as_byte_span(config));
proxy_->CallMethodWithErrorResponse(
&method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::BindOnce(&Modem3gppProxy::OnSetCarrierLock,
weak_ptr_factory_.GetWeakPtr(), std::move(callback)));
}
private:
// Handles responses of SetCarrierLock method calls.
void OnSetCarrierLock(Modem3gppClient::CarrierLockCallback callback,
dbus::Response* response,
dbus::ErrorResponse* error_response) {
if (response &&
response->GetMessageType() == dbus::Message::MESSAGE_METHOD_RETURN) {
std::move(callback).Run(CarrierLockResult::kSuccess);
return;
}
if (!error_response) {
std::move(callback).Run(CarrierLockResult::kUnknownError);
return;
}
std::string error_name;
error_name = error_response->GetErrorName();
if (error_name.ends_with("InvalidSignature")) {
std::move(callback).Run(CarrierLockResult::kInvalidSignature);
} else if (error_name.ends_with("InvalidImei")) {
std::move(callback).Run(CarrierLockResult::kInvalidImei);
} else if (error_name.ends_with("InvalidTimestamp")) {
std::move(callback).Run(CarrierLockResult::kInvalidTimeStamp);
} else if (error_name.ends_with("NetworkListTooLarge")) {
std::move(callback).Run(CarrierLockResult::kNetworkListTooLarge);
} else if (error_name.ends_with("AlgorithmNotSupported")) {
std::move(callback).Run(CarrierLockResult::kAlgorithmNotSupported);
} else if (error_name.ends_with("FeatureNotSupported")) {
std::move(callback).Run(CarrierLockResult::kFeatureNotSupported);
} else if (error_name.ends_with("DecodeOrParsingError")) {
std::move(callback).Run(CarrierLockResult::kDecodeOrParsingError);
} else if (error_name.ends_with("Unsupported")) {
std::move(callback).Run(CarrierLockResult::kOperationNotSupported);
} else {
std::move(callback).Run(CarrierLockResult::kUnknownError);
}
}
raw_ptr<dbus::ObjectProxy> proxy_;
std::string service_name_;
// Note: This should remain the last member so it'll be destroyed and
// invalidate its weak pointers before any other members are destroyed.
base::WeakPtrFactory<Modem3gppProxy> weak_ptr_factory_{this};
};
class COMPONENT_EXPORT(CHROMEOS_DBUS) Modem3gppClientImpl
: public Modem3gppClient {
public:
explicit Modem3gppClientImpl(dbus::Bus* bus) : bus_(bus) {}
Modem3gppClientImpl(const Modem3gppClientImpl&) = delete;
Modem3gppClientImpl& operator=(const Modem3gppClientImpl&) = delete;
~Modem3gppClientImpl() override = default;
void SetCarrierLock(const std::string& service_name,
const dbus::ObjectPath& object_path,
const std::string& config,
CarrierLockCallback callback) override {
GetProxy(service_name, object_path)
->SetCarrierLock(config, std::move(callback));
}
private:
// Map of 3gppProxies where Key is a pair of service name and object path
using ProxyMap = std::map<std::pair<std::string, std::string>,
std::unique_ptr<Modem3gppProxy>>;
// Returns a 3gppProxy for the given service name and object path.
Modem3gppProxy* GetProxy(const std::string& service_name,
const dbus::ObjectPath& object_path) {
const ProxyMap::key_type key(service_name, object_path.value());
ProxyMap::const_iterator it = proxies_.find(key);
if (it != proxies_.end()) {
return it->second.get();
}
// There is no proxy for the service_name and object_path, create it.
std::unique_ptr<Modem3gppProxy> proxy =
std::make_unique<Modem3gppProxy>(bus_, service_name, object_path);
Modem3gppProxy* proxy_ptr = proxy.get();
proxies_[key] = std::move(proxy);
return proxy_ptr;
}
raw_ptr<dbus::Bus> bus_;
ProxyMap proxies_;
};
} // namespace
////////////////////////////////////////////////////////////////////////////////
// Modem3gppClient
Modem3gppClient::Modem3gppClient() {
DCHECK(!g_instance);
g_instance = this;
}
Modem3gppClient::~Modem3gppClient() {
DCHECK_EQ(this, g_instance);
g_instance = nullptr;
}
// static
void Modem3gppClient::Initialize(dbus::Bus* bus) {
DCHECK(bus);
DCHECK(!g_instance);
new Modem3gppClientImpl(bus);
}
// static
void Modem3gppClient::InitializeFake() {
new FakeModem3gppClient();
}
// static
void Modem3gppClient::Shutdown() {
DCHECK(g_instance);
delete g_instance;
}
// static
Modem3gppClient* Modem3gppClient::Get() {
return g_instance;
}
} // namespace ash
|
