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- // Copyright 2016 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef NET_NQE_NETWORK_ID_H_
- #define NET_NQE_NETWORK_ID_H_
- #include <string>
- #include "net/base/net_export.h"
- #include "net/base/network_change_notifier.h"
- namespace net::nqe::internal {
- // NetworkID is used to uniquely identify a network.
- // For the purpose of network quality estimation and caching, a network is
- // uniquely identified by a combination of |type| and
- // |id|. This approach is unable to distinguish networks with
- // same name (e.g., different Wi-Fi networks with same SSID).
- // This is a protected member to expose it to tests.
- struct NET_EXPORT_PRIVATE NetworkID {
- static NetworkID FromString(const std::string& network_id);
- NetworkID(NetworkChangeNotifier::ConnectionType type,
- const std::string& id,
- int32_t signal_strength);
- NetworkID(const NetworkID& other);
- ~NetworkID();
- bool operator==(const NetworkID& other) const;
- bool operator!=(const NetworkID& other) const;
- NetworkID& operator=(const NetworkID& other);
- // Overloaded to support ordered collections.
- bool operator<(const NetworkID& other) const;
- std::string ToString() const;
- // Connection type of the network.
- NetworkChangeNotifier::ConnectionType type;
- // Name of this network. This is set to:
- // - Wi-Fi SSID if the device is connected to a Wi-Fi access point and the
- // SSID name is available, or
- // - MCC/MNC code of the cellular carrier if the device is connected to a
- // cellular network, or
- // - "Ethernet" in case the device is connected to ethernet.
- // - An empty string in all other cases or if the network name is not
- // exposed by platform APIs.
- std::string id;
- // Signal strength of the network. Set to INT32_MIN when the value is
- // unavailable. Otherwise, must be between 0 and 4 (both inclusive). This may
- // take into account many different radio technology inputs. 0 represents very
- // poor signal strength while 4 represents a very strong signal strength. The
- // range is capped between 0 and 4 to ensure that a change in the value
- // indicates a non-negligible change in the signal quality.
- int32_t signal_strength;
- };
- } // namespace net::nqe::internal
- #endif // NET_NQE_NETWORK_ID_H_
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