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71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_SOCKET_TCP_SERVER_SOCKET_H_
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#define NET_SOCKET_TCP_SERVER_SOCKET_H_
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#include <memory>
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#include "base/macros.h"
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#include "net/base/completion_once_callback.h"
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#include "net/base/ip_endpoint.h"
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#include "net/base/net_export.h"
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#include "net/socket/server_socket.h"
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#include "net/socket/socket_descriptor.h"
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#include "net/socket/tcp_socket.h"
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namespace net {
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class NetLog;
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struct NetLogSource;
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// A server socket that uses TCP as the transport layer.
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class NET_EXPORT TCPServerSocket : public ServerSocket {
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public:
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TCPServerSocket(NetLog* net_log, const NetLogSource& source);
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~TCPServerSocket() override;
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// Takes ownership of |socket|, which has been opened, but may or may not be
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// bound or listening. The caller must determine this based on the provenance
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// of the socket and act accordingly. The socket may have connections waiting
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// to be accepted, but must not be actually connected.
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int AdoptSocket(SocketDescriptor socket);
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// net::ServerSocket implementation.
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int Listen(const IPEndPoint& address, int backlog) override;
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int GetLocalAddress(IPEndPoint* address) const override;
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int Accept(std::unique_ptr<StreamSocket>* socket,
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CompletionOnceCallback callback) override;
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// Detachs from the current thread, to allow the socket to be transferred to
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// a new thread. Should only be called when the object is no longer used by
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// the old thread.
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void DetachFromThread();
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private:
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// Converts |accepted_socket_| and stores the result in
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// |output_accepted_socket|.
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// |output_accepted_socket| is untouched on failure. But |accepted_socket_| is
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// set to NULL in any case.
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int ConvertAcceptedSocket(
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int result,
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std::unique_ptr<StreamSocket>* output_accepted_socket);
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// Completion callback for calling TCPSocket::Accept().
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void OnAcceptCompleted(std::unique_ptr<StreamSocket>* output_accepted_socket,
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CompletionOnceCallback forward_callback,
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int result);
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TCPSocket socket_;
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std::unique_ptr<TCPSocket> accepted_socket_;
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IPEndPoint accepted_address_;
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bool pending_accept_;
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DISALLOW_COPY_AND_ASSIGN(TCPServerSocket);
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};
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} // namespace net
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#endif // NET_SOCKET_TCP_SERVER_SOCKET_H_
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