naiveproxy/net/base/network_change_notifier_fuchsia.h
2018-08-14 22:19:20 +00:00

77 lines
2.7 KiB
C++

// 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:
// Blocks execution until an initial interface list is received from
// |netstack_|.
NetworkChangeNotifierFuchsia();
~NetworkChangeNotifierFuchsia() override;
private:
friend class NetworkChangeNotifierFuchsiaTest;
FRIEND_TEST_ALL_PREFIXES(NetworkChangeNotifierFuchsiaTest, FoundWiFi);
FRIEND_TEST_ALL_PREFIXES(NetworkChangeNotifierFuchsiaTest,
FoundWiFiNonDefault);
// For testing purposes.
explicit NetworkChangeNotifierFuchsia(
fuchsia::netstack::NetstackPtr netstack);
// Forwards the network interface list along with the result of
// GetRouteTable() to OnRouteTableReceived().
void ProcessInterfaceList(
base::OnceClosure on_initialized_cb,
fidl::VectorPtr<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.
// |on_initialized_cb| will be bound when the network state is populated for
// the first time. In that case, change observer events will not be
// published, and |on_initialized_cb| will be invoked once the function has
// finished executing.
void OnRouteTableReceived(
base::OnceClosure on_initialized_cb,
fidl::VectorPtr<fuchsia::netstack::NetInterface> interfaces,
fidl::VectorPtr<fuchsia::netstack::RouteTableEntry> table);
// NetworkChangeNotifier implementation.
ConnectionType GetCurrentConnectionType() const override;
// 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_NONE;
fuchsia::netstack::NetstackPtr netstack_;
// 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_