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- // 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 SERVICES_NETWORK_TCP_BOUND_SOCKET_H_
- #define SERVICES_NETWORK_TCP_BOUND_SOCKET_H_
- #include <memory>
- #include "base/component_export.h"
- #include "base/memory/raw_ptr.h"
- #include "base/memory/ref_counted.h"
- #include "base/memory/weak_ptr.h"
- #include "mojo/public/cpp/bindings/pending_receiver.h"
- #include "mojo/public/cpp/bindings/pending_remote.h"
- #include "mojo/public/cpp/bindings/receiver_set.h"
- #include "net/base/ip_endpoint.h"
- #include "net/socket/tcp_socket.h"
- #include "net/traffic_annotation/network_traffic_annotation.h"
- #include "services/network/public/mojom/tcp_socket.mojom.h"
- #include "services/network/tcp_server_socket.h"
- namespace net {
- class IPEndPoint;
- class NetLog;
- } // namespace net
- namespace network {
- class SocketFactory;
- // A socket bound to an address. Can be converted into either a TCPServerSocket
- // or a TCPConnectedSocket.
- class COMPONENT_EXPORT(NETWORK_SERVICE) TCPBoundSocket
- : public mojom::TCPBoundSocket {
- public:
- // Constructs a TCPBoundSocket. |socket_factory| must outlive |this|. When a
- // new connection is accepted, |socket_factory| will be notified to take
- // ownership of the connection.
- TCPBoundSocket(SocketFactory* socket_factory,
- net::NetLog* net_log,
- const net::NetworkTrafficAnnotationTag& traffic_annotation);
- TCPBoundSocket(const TCPBoundSocket&) = delete;
- TCPBoundSocket& operator=(const TCPBoundSocket&) = delete;
- ~TCPBoundSocket() override;
- // Attempts to bind a socket to the specified address. Returns net::OK on
- // success, setting |local_addr_out| to the bound address. Returns a network
- // error code on failure. Must be called before Listen() or Connect().
- int Bind(const net::IPEndPoint& local_addr, net::IPEndPoint* local_addr_out);
- // Sets the id used to remove the socket from the owning ReceiverSet. Must be
- // called before Listen() or Connect().
- void set_id(mojo::ReceiverId receiver_id) { receiver_id_ = receiver_id; }
- // mojom::TCPBoundSocket implementation.
- void Listen(uint32_t backlog,
- mojo::PendingReceiver<mojom::TCPServerSocket> receiver,
- ListenCallback callback) override;
- void Connect(const net::AddressList& remote_addr,
- mojom::TCPConnectedSocketOptionsPtr tcp_connected_socket_options,
- mojo::PendingReceiver<mojom::TCPConnectedSocket> receiver,
- mojo::PendingRemote<mojom::SocketObserver> observer,
- ConnectCallback callback) override;
- private:
- void OnConnectComplete(int result,
- const absl::optional<net::IPEndPoint>& local_addr,
- const absl::optional<net::IPEndPoint>& peer_addr,
- mojo::ScopedDataPipeConsumerHandle receive_stream,
- mojo::ScopedDataPipeProducerHandle send_stream);
- virtual int ListenInternal(int backlog);
- net::IPEndPoint bind_address_;
- mojo::ReceiverId receiver_id_ = -1;
- const raw_ptr<SocketFactory> socket_factory_;
- std::unique_ptr<net::TCPSocket> socket_;
- const net::NetworkTrafficAnnotationTag traffic_annotation_;
- mojo::PendingReceiver<mojom::TCPConnectedSocket> connected_socket_receiver_;
- ConnectCallback connect_callback_;
- // Takes ownership of |socket_| if Connect() is called.
- std::unique_ptr<TCPConnectedSocket> connecting_socket_;
- base::WeakPtrFactory<TCPBoundSocket> weak_factory_{this};
- };
- } // namespace network
- #endif // SERVICES_NETWORK_TCP_BOUND_SOCKET_H_
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