1 // Copyright 2017 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "net/nqe/network_id.h"
6
7 #include <tuple>
8
9 #include "base/base64.h"
10 #include "base/strings/string_number_conversions.h"
11 #include "net/nqe/proto/network_id_proto.pb.h"
12
13 namespace net::nqe::internal {
14
15 // static
FromString(const std::string & network_id)16 NetworkID NetworkID::FromString(const std::string& network_id) {
17 std::string base64_decoded;
18 if (!base::Base64Decode(network_id, &base64_decoded)) {
19 return NetworkID(NetworkChangeNotifier::CONNECTION_UNKNOWN, std::string(),
20 INT32_MIN);
21 }
22
23 NetworkIDProto network_id_proto;
24 if (!network_id_proto.ParseFromString(base64_decoded)) {
25 return NetworkID(NetworkChangeNotifier::CONNECTION_UNKNOWN, std::string(),
26 INT32_MIN);
27 }
28
29 return NetworkID(static_cast<NetworkChangeNotifier::ConnectionType>(
30 network_id_proto.connection_type()),
31 network_id_proto.id(), network_id_proto.signal_strength());
32 }
33
NetworkID(NetworkChangeNotifier::ConnectionType type,const std::string & id,int32_t signal_strength)34 NetworkID::NetworkID(NetworkChangeNotifier::ConnectionType type,
35 const std::string& id,
36 int32_t signal_strength)
37 : type(type), id(id), signal_strength(signal_strength) {
38 // A valid value of |signal_strength| must be between 0 and 4 (both
39 // inclusive).
40 DCHECK((0 <= signal_strength && 4 >= signal_strength) ||
41 (INT32_MIN == signal_strength));
42 }
43
44 NetworkID::NetworkID(const NetworkID& other) = default;
45
46 NetworkID::~NetworkID() = default;
47
operator ==(const NetworkID & other) const48 bool NetworkID::operator==(const NetworkID& other) const {
49 return type == other.type && id == other.id &&
50 signal_strength == other.signal_strength;
51 }
52
operator !=(const NetworkID & other) const53 bool NetworkID::operator!=(const NetworkID& other) const {
54 return !operator==(other);
55 }
56
57 NetworkID& NetworkID::operator=(const NetworkID& other) = default;
58
59 // Overloaded to support ordered collections.
operator <(const NetworkID & other) const60 bool NetworkID::operator<(const NetworkID& other) const {
61 return std::tie(type, id, signal_strength) <
62 std::tie(other.type, other.id, other.signal_strength);
63 }
64
ToString() const65 std::string NetworkID::ToString() const {
66 NetworkIDProto network_id_proto;
67 network_id_proto.set_connection_type(static_cast<int>(type));
68 network_id_proto.set_id(id);
69 network_id_proto.set_signal_strength(signal_strength);
70
71 std::string serialized_network_id;
72 if (!network_id_proto.SerializeToString(&serialized_network_id))
73 return "";
74
75 return base::Base64Encode(serialized_network_id);
76 }
77
78 } // namespace net::nqe::internal
79