blob: 423484210aebf3bdbfb1f9f9a26b0f8861102fad [file] [log] [blame]
// Copyright 2017 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 SERVICES_NETWORK_NETWORK_CHANGE_MANAGER_H_
#define SERVICES_NETWORK_NETWORK_CHANGE_MANAGER_H_
#include <memory>
#include <string>
#include <vector>
#include "base/component_export.h"
#include "base/macros.h"
#include "build/build_config.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "net/base/network_change_notifier.h"
#include "services/network/public/mojom/network_change_manager.mojom.h"
namespace network {
// Implementation of mojom::NetworkChangeManager. All accesses to this class are
// done through mojo on the main thread. This registers itself to receive
// broadcasts from net::NetworkChangeNotifier and rebroadcasts the notifications
// to mojom::NetworkChangeManagerClients through mojo pipes.
class COMPONENT_EXPORT(NETWORK_SERVICE) NetworkChangeManager
: public mojom::NetworkChangeManager,
public net::NetworkChangeNotifier::NetworkChangeObserver {
public:
// If |network_change_notifier| is not null, |this| will take ownership of it.
// Otherwise, the global net::NetworkChangeNotifier will be used.
explicit NetworkChangeManager(
std::unique_ptr<net::NetworkChangeNotifier> network_change_notifier);
~NetworkChangeManager() override;
// Binds a NetworkChangeManager receiver to this object. Mojo messages
// coming through the associated pipe will be served by this object.
void AddReceiver(mojo::PendingReceiver<mojom::NetworkChangeManager> receiver);
// mojom::NetworkChangeManager implementation:
void RequestNotifications(
mojom::NetworkChangeManagerClientPtr client_ptr) override;
#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
void OnNetworkChanged(
bool dns_changed,
bool ip_address_changed,
bool connection_type_changed,
mojom::ConnectionType new_connection_type,
bool connection_subtype_changed,
mojom::ConnectionSubtype new_connection_subtype) override;
#endif
size_t GetNumClientsForTesting() const;
private:
// Handles connection errors on notification pipes.
void NotificationPipeBroken(mojom::NetworkChangeManagerClient* client);
// net::NetworkChangeNotifier::NetworkChangeObserver implementation:
void OnNetworkChanged(
net::NetworkChangeNotifier::ConnectionType type) override;
std::unique_ptr<net::NetworkChangeNotifier> network_change_notifier_;
mojo::ReceiverSet<mojom::NetworkChangeManager> receivers_;
std::vector<mojom::NetworkChangeManagerClientPtr> clients_;
mojom::ConnectionType connection_type_;
DISALLOW_COPY_AND_ASSIGN(NetworkChangeManager);
};
} // namespace network
#endif // SERVICES_NETWORK_NETWORK_CHANGE_MANAGER_H_