1 /*
2  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #ifndef RTC_BASE_NETWORK_CONSTANTS_H_
12 #define RTC_BASE_NETWORK_CONSTANTS_H_
13 
14 #include <stdint.h>
15 
16 #include <string>
17 
18 namespace rtc {
19 
20 constexpr uint16_t kNetworkCostMax = 999;
21 constexpr uint16_t kNetworkCostCellular2G = 980;
22 constexpr uint16_t kNetworkCostCellular3G = 910;
23 constexpr uint16_t kNetworkCostCellular = 900;
24 constexpr uint16_t kNetworkCostCellular4G = 500;
25 constexpr uint16_t kNetworkCostCellular5G = 250;
26 constexpr uint16_t kNetworkCostUnknown = 50;
27 constexpr uint16_t kNetworkCostLow = 10;
28 constexpr uint16_t kNetworkCostMin = 0;
29 
30 // alias
31 constexpr uint16_t kNetworkCostHigh = kNetworkCostCellular;
32 
33 enum AdapterType {
34   // This enum resembles the one in Chromium net::ConnectionType.
35   ADAPTER_TYPE_UNKNOWN = 0,
36   ADAPTER_TYPE_ETHERNET = 1 << 0,
37   ADAPTER_TYPE_WIFI = 1 << 1,
38   ADAPTER_TYPE_CELLULAR = 1 << 2,  // This is CELLULAR of unknown type.
39   ADAPTER_TYPE_VPN = 1 << 3,
40   ADAPTER_TYPE_LOOPBACK = 1 << 4,
41   // ADAPTER_TYPE_ANY is used for a network, which only contains a single "any
42   // address" IP address (INADDR_ANY for IPv4 or in6addr_any for IPv6), and can
43   // use any/all network interfaces. Whereas ADAPTER_TYPE_UNKNOWN is used
44   // when the network uses a specific interface/IP, but its interface type can
45   // not be determined or not fit in this enum.
46   ADAPTER_TYPE_ANY = 1 << 5,
47   ADAPTER_TYPE_CELLULAR_2G = 1 << 6,
48   ADAPTER_TYPE_CELLULAR_3G = 1 << 7,
49   ADAPTER_TYPE_CELLULAR_4G = 1 << 8,
50   ADAPTER_TYPE_CELLULAR_5G = 1 << 9
51 };
52 
53 std::string AdapterTypeToString(AdapterType type);
54 
55 }  // namespace rtc
56 
57 #endif  // RTC_BASE_NETWORK_CONSTANTS_H_
58