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 // Add 1 to network cost of underlying network type 31 // so that e.g a "plain" WIFI is prefered over a VPN over WIFI 32 // everything else being equal. 33 constexpr uint16_t kNetworkCostVpn = 1; 34 35 // alias 36 constexpr uint16_t kNetworkCostHigh = kNetworkCostCellular; 37 38 enum AdapterType { 39 // This enum resembles the one in Chromium net::ConnectionType. 40 ADAPTER_TYPE_UNKNOWN = 0, 41 ADAPTER_TYPE_ETHERNET = 1 << 0, 42 ADAPTER_TYPE_WIFI = 1 << 1, 43 ADAPTER_TYPE_CELLULAR = 1 << 2, // This is CELLULAR of unknown type. 44 ADAPTER_TYPE_VPN = 1 << 3, 45 ADAPTER_TYPE_LOOPBACK = 1 << 4, 46 // ADAPTER_TYPE_ANY is used for a network, which only contains a single "any 47 // address" IP address (INADDR_ANY for IPv4 or in6addr_any for IPv6), and can 48 // use any/all network interfaces. Whereas ADAPTER_TYPE_UNKNOWN is used 49 // when the network uses a specific interface/IP, but its interface type can 50 // not be determined or not fit in this enum. 51 ADAPTER_TYPE_ANY = 1 << 5, 52 ADAPTER_TYPE_CELLULAR_2G = 1 << 6, 53 ADAPTER_TYPE_CELLULAR_3G = 1 << 7, 54 ADAPTER_TYPE_CELLULAR_4G = 1 << 8, 55 ADAPTER_TYPE_CELLULAR_5G = 1 << 9 56 }; 57 58 std::string AdapterTypeToString(AdapterType type); 59 60 // Useful for testing! 61 constexpr AdapterType kAllAdapterTypes[] = { 62 ADAPTER_TYPE_UNKNOWN, ADAPTER_TYPE_ETHERNET, 63 ADAPTER_TYPE_WIFI, ADAPTER_TYPE_CELLULAR, 64 ADAPTER_TYPE_VPN, ADAPTER_TYPE_LOOPBACK, 65 ADAPTER_TYPE_ANY, ADAPTER_TYPE_CELLULAR_2G, 66 ADAPTER_TYPE_CELLULAR_3G, ADAPTER_TYPE_CELLULAR_4G, 67 ADAPTER_TYPE_CELLULAR_5G, 68 }; 69 70 } // namespace rtc 71 72 #endif // RTC_BASE_NETWORK_CONSTANTS_H_ 73