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