68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
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/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_BASE_ASYNCUDPSOCKET_H_
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#define WEBRTC_BASE_ASYNCUDPSOCKET_H_
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#include <memory>
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#include "webrtc/base/asyncpacketsocket.h"
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#include "webrtc/base/socketfactory.h"
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namespace rtc {
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// Provides the ability to receive packets asynchronously. Sends are not
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// buffered since it is acceptable to drop packets under high load.
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class AsyncUDPSocket : public AsyncPacketSocket {
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public:
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// Binds |socket| and creates AsyncUDPSocket for it. Takes ownership
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// of |socket|. Returns NULL if bind() fails (|socket| is destroyed
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// in that case).
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static AsyncUDPSocket* Create(AsyncSocket* socket,
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const SocketAddress& bind_address);
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// Creates a new socket for sending asynchronous UDP packets using an
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// asynchronous socket from the given factory.
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static AsyncUDPSocket* Create(SocketFactory* factory,
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const SocketAddress& bind_address);
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explicit AsyncUDPSocket(AsyncSocket* socket);
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~AsyncUDPSocket() override;
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SocketAddress GetLocalAddress() const override;
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SocketAddress GetRemoteAddress() const override;
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int Send(const void* pv,
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size_t cb,
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const rtc::PacketOptions& options) override;
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int SendTo(const void* pv,
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size_t cb,
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const SocketAddress& addr,
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const rtc::PacketOptions& options) override;
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int Close() override;
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State GetState() const override;
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int GetOption(Socket::Option opt, int* value) override;
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int SetOption(Socket::Option opt, int value) override;
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int GetError() const override;
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void SetError(int error) override;
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private:
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// Called when the underlying socket is ready to be read from.
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void OnReadEvent(AsyncSocket* socket);
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// Called when the underlying socket is ready to send.
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void OnWriteEvent(AsyncSocket* socket);
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std::unique_ptr<AsyncSocket> socket_;
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char* buf_;
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size_t size_;
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};
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} // namespace rtc
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#endif // WEBRTC_BASE_ASYNCUDPSOCKET_H_
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