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
|
// Copyright 2020 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/network/network_event_log.h"
#include "base/strings/string_util.h"
#include "chromeos/ash/components/network/network_handler.h"
#include "chromeos/ash/components/network/network_state.h"
#include "chromeos/ash/components/network/network_state_handler.h"
#include "chromeos/ash/components/network/tether_constants.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace {
constexpr char kServicePrefix[] = "/service/";
constexpr char kUnknownId[] = "<none>";
ash::NetworkStateHandler* GetNetworkStateHandler() {
if (!ash::NetworkHandler::IsInitialized())
return nullptr;
return ash::NetworkHandler::Get()->network_state_handler();
}
} // namespace
namespace ash {
// Returns a descriptive unique id for |network|
// e.g.: ethernet_0, wifi_psk_1, cellular_lte_2, vpn_openvpn_3.
std::string NetworkId(const NetworkState* network) {
if (!network)
return kUnknownId;
const std::string& type = network->type();
if (type == kTypeTether) {
// Tether uses a GUID for its service path. Use the first 8 digits.
return type + "_" + network->path().substr(0, 8);
}
// Test networks may not follow the Shill pattern, just use the path.
auto remainder = base::RemovePrefix(network->path(), kServicePrefix);
if (!remainder) {
return network->path();
}
std::string id(*remainder);
if (type.empty())
return "service_" + id;
std::string result = type + "_";
if (type == shill::kTypeWifi) {
result += network->security_class() + "_";
} else if (type == shill::kTypeCellular) {
result += network->network_technology() + "_";
} else if (type == shill::kTypeVPN) {
result += network->GetVpnProviderType() + "_";
}
return result + id;
}
// Calls NetworkId() if a NetworkState for |service_path| exists, otherwise
// returns service_{id}. If |service_path| does not represent a valid service
// path (e.g. in tests), returns |service_path|.
std::string NetworkPathId(const std::string& service_path) {
NetworkStateHandler* handler = GetNetworkStateHandler();
if (handler) {
const NetworkState* network = handler->GetNetworkState(service_path);
if (network)
return NetworkId(network);
}
auto remainder = base::RemovePrefix(service_path, kServicePrefix);
if (!remainder) {
return service_path;
}
return "service_" + std::string(*remainder);
}
// Calls NetworkId() if a NetworkState exists for |guid|, otherwise
// returns |guid|.
std::string NetworkGuidId(const std::string& guid) {
if (guid.empty())
return kUnknownId;
NetworkStateHandler* handler = GetNetworkStateHandler();
if (handler) {
const NetworkState* network = handler->GetNetworkStateFromGuid(guid);
if (network)
return NetworkId(network);
}
return guid;
}
} // namespace ash
|
