| // Copyright 2018 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_BASE_NETWORK_CHANGE_NOTIFIER_FUCHSIA_H_ |
| #define NET_BASE_NETWORK_CHANGE_NOTIFIER_FUCHSIA_H_ |
| |
| #include <fuchsia/netstack/cpp/fidl.h> |
| #include <lib/fidl/cpp/binding.h> |
| |
| #include "base/atomicops.h" |
| #include "base/containers/flat_set.h" |
| #include "base/gtest_prod_util.h" |
| #include "base/threading/thread_checker.h" |
| #include "net/base/net_export.h" |
| #include "net/base/network_change_notifier.h" |
| #include "net/base/network_interfaces.h" |
| |
| namespace net { |
| |
| class NET_EXPORT_PRIVATE NetworkChangeNotifierFuchsia |
| : public NetworkChangeNotifier { |
| public: |
| // Registers for asynchronous notifications of changes to network interfaces. |
| // Interfaces can be filtered out by passing in |required_features|, which is |
| // defined in fuchsia::hardware::ethernet. |
| explicit NetworkChangeNotifierFuchsia(uint32_t required_features); |
| ~NetworkChangeNotifierFuchsia() override; |
| |
| // NetworkChangeNotifier implementation. |
| ConnectionType GetCurrentConnectionType() const override; |
| |
| private: |
| friend class NetworkChangeNotifierFuchsiaTest; |
| |
| // For testing purposes. Receives a |netstack| pointer for easy mocking. |
| // Interfaces can be filtered out by passing in |required_features|, which is |
| // defined in fuchsia::hardware::ethernet. |
| NetworkChangeNotifierFuchsia(fuchsia::netstack::NetstackPtr netstack, |
| uint32_t required_features); |
| |
| // Forwards the network interface list along with the result of |
| // GetRouteTable() to OnRouteTableReceived(). |
| void ProcessInterfaceList( |
| std::vector<fuchsia::netstack::NetInterface> interfaces); |
| |
| // Computes network change notification state change from the list of |
| // interfaces and routing table data, sending observer events if IP or |
| // connection type changes are detected. |
| void OnRouteTableReceived( |
| std::vector<fuchsia::netstack::NetInterface> interfaces, |
| std::vector<fuchsia::netstack::RouteTableEntry> table, |
| bool notify_observers); |
| |
| // Bitmap of required features for an interface to be taken into account. The |
| // features are defined in fuchsia::hardware::ethernet. |
| const uint32_t required_features_; |
| |
| fuchsia::netstack::NetstackPtr netstack_; |
| |
| // The ConnectionType of the default network interface, stored as an atomic |
| // 32-bit int for safe concurrent access. |
| base::subtle::Atomic32 cached_connection_type_ = CONNECTION_UNKNOWN; |
| |
| // Set of addresses from the previous query/update for the default interface. |
| base::flat_set<IPAddress> cached_addresses_; |
| |
| THREAD_CHECKER(thread_checker_); |
| |
| DISALLOW_COPY_AND_ASSIGN(NetworkChangeNotifierFuchsia); |
| }; |
| |
| } // namespace net |
| |
| #endif // NET_BASE_NETWORK_CHANGE_NOTIFIER_FUCHSIA_H_ |