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/*
* Copyright 2004 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef RTC_BASE_NETWORK_CONSTANTS_H_
#define RTC_BASE_NETWORK_CONSTANTS_H_
#include <stdint.h>
#include <string>
namespace rtc {
constexpr uint16_t kNetworkCostMax = 999;
constexpr uint16_t kNetworkCostCellular2G = 980;
constexpr uint16_t kNetworkCostCellular3G = 910;
constexpr uint16_t kNetworkCostCellular = 900;
constexpr uint16_t kNetworkCostCellular4G = 500;
constexpr uint16_t kNetworkCostCellular5G = 250;
constexpr uint16_t kNetworkCostUnknown = 50;
constexpr uint16_t kNetworkCostLow = 10;
constexpr uint16_t kNetworkCostMin = 0;
// Add 1 to network cost of underlying network type
// so that e.g a "plain" WIFI is prefered over a VPN over WIFI
// everything else being equal.
constexpr uint16_t kNetworkCostVpn = 1;
// alias
constexpr uint16_t kNetworkCostHigh = kNetworkCostCellular;
enum AdapterType {
// This enum resembles the one in Chromium net::ConnectionType.
ADAPTER_TYPE_UNKNOWN = 0,
ADAPTER_TYPE_ETHERNET = 1 << 0,
ADAPTER_TYPE_WIFI = 1 << 1,
ADAPTER_TYPE_CELLULAR = 1 << 2, // This is CELLULAR of unknown type.
ADAPTER_TYPE_VPN = 1 << 3,
ADAPTER_TYPE_LOOPBACK = 1 << 4,
// ADAPTER_TYPE_ANY is used for a network, which only contains a single "any
// address" IP address (INADDR_ANY for IPv4 or in6addr_any for IPv6), and can
// use any/all network interfaces. Whereas ADAPTER_TYPE_UNKNOWN is used
// when the network uses a specific interface/IP, but its interface type can
// not be determined or not fit in this enum.
ADAPTER_TYPE_ANY = 1 << 5,
ADAPTER_TYPE_CELLULAR_2G = 1 << 6,
ADAPTER_TYPE_CELLULAR_3G = 1 << 7,
ADAPTER_TYPE_CELLULAR_4G = 1 << 8,
ADAPTER_TYPE_CELLULAR_5G = 1 << 9
};
std::string AdapterTypeToString(AdapterType type);
// Useful for testing!
constexpr AdapterType kAllAdapterTypes[] = {
ADAPTER_TYPE_UNKNOWN, ADAPTER_TYPE_ETHERNET,
ADAPTER_TYPE_WIFI, ADAPTER_TYPE_CELLULAR,
ADAPTER_TYPE_VPN, ADAPTER_TYPE_LOOPBACK,
ADAPTER_TYPE_ANY, ADAPTER_TYPE_CELLULAR_2G,
ADAPTER_TYPE_CELLULAR_3G, ADAPTER_TYPE_CELLULAR_4G,
ADAPTER_TYPE_CELLULAR_5G,
};
} // namespace rtc
#endif // RTC_BASE_NETWORK_CONSTANTS_H_
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