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- // Copyright (c) 2012 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.
- #include "net/quic/network_connection.h"
- #include "base/logging.h"
- #include "net/base/network_interfaces.h"
- namespace net {
- NetworkConnection::NetworkConnection() {
- NetworkChangeNotifier::AddIPAddressObserver(this);
- NetworkChangeNotifier::AddConnectionTypeObserver(this);
- OnIPAddressChanged();
- }
- NetworkConnection::~NetworkConnection() {
- NetworkChangeNotifier::RemoveConnectionTypeObserver(this);
- NetworkChangeNotifier::RemoveIPAddressObserver(this);
- }
- void NetworkConnection::OnIPAddressChanged() {
- OnConnectionTypeChanged(NetworkChangeNotifier::GetConnectionType());
- }
- void NetworkConnection::OnConnectionTypeChanged(
- NetworkChangeNotifier::ConnectionType type) {
- DVLOG(1) << "Updating NetworkConnection's Cached Data";
- connection_type_ = type;
- connection_description_ = NetworkChangeNotifier::ConnectionTypeToString(type);
- if (connection_type_ != NetworkChangeNotifier::CONNECTION_UNKNOWN &&
- connection_type_ != NetworkChangeNotifier::CONNECTION_WIFI) {
- return;
- }
- // This function only seems usefully defined on Windows currently.
- WifiPHYLayerProtocol wifi_type = GetWifiPHYLayerProtocol();
- switch (wifi_type) {
- case WIFI_PHY_LAYER_PROTOCOL_NONE:
- // No wifi support or no associated AP.
- break;
- case WIFI_PHY_LAYER_PROTOCOL_ANCIENT:
- // An obsolete modes introduced by the original 802.11, e.g. IR, FHSS.
- connection_description_ = "CONNECTION_WIFI_ANCIENT";
- break;
- case WIFI_PHY_LAYER_PROTOCOL_A:
- // 802.11a, OFDM-based rates.
- connection_description_ = "CONNECTION_WIFI_802.11a";
- break;
- case WIFI_PHY_LAYER_PROTOCOL_B:
- // 802.11b, DSSS or HR DSSS.
- connection_description_ = "CONNECTION_WIFI_802.11b";
- break;
- case WIFI_PHY_LAYER_PROTOCOL_G:
- // 802.11g, same rates as 802.11a but compatible with 802.11b.
- connection_description_ = "CONNECTION_WIFI_802.11g";
- break;
- case WIFI_PHY_LAYER_PROTOCOL_N:
- // 802.11n, HT rates.
- connection_description_ = "CONNECTION_WIFI_802.11n";
- break;
- case WIFI_PHY_LAYER_PROTOCOL_AC:
- // 802.11ac
- connection_description_ = "CONNECTION_WIFI_802.11ac";
- break;
- case WIFI_PHY_LAYER_PROTOCOL_AD:
- // 802.11ad
- connection_description_ = "CONNECTION_WIFI_802.11ad";
- break;
- case WIFI_PHY_LAYER_PROTOCOL_AX:
- // 802.11ax
- connection_description_ = "CONNECTION_WIFI_802.11ax";
- break;
- case WIFI_PHY_LAYER_PROTOCOL_UNKNOWN:
- // Unclassified mode or failure to identify.
- break;
- }
- }
- } // namespace net
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