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28 #ifndef TALK_BASE_ASYNCUDPSOCKET_H_
29 #define TALK_BASE_ASYNCUDPSOCKET_H_
31 #include "talk/base/asyncpacketsocket.h"
32 #include "talk/base/scoped_ptr.h"
33 #include "talk/base/socketfactory.h"
37 // Provides the ability to receive packets asynchronously. Sends are not
38 // buffered since it is acceptable to drop packets under high load.
39 class AsyncUDPSocket : public AsyncPacketSocket {
41 // Binds |socket| and creates AsyncUDPSocket for it. Takes ownership
42 // of |socket|. Returns NULL if bind() fails (|socket| is destroyed
44 static AsyncUDPSocket* Create(AsyncSocket* socket,
45 const SocketAddress& bind_address);
46 // Creates a new socket for sending asynchronous UDP packets using an
47 // asynchronous socket from the given factory.
48 static AsyncUDPSocket* Create(SocketFactory* factory,
49 const SocketAddress& bind_address);
50 explicit AsyncUDPSocket(AsyncSocket* socket);
51 virtual ~AsyncUDPSocket();
53 virtual SocketAddress GetLocalAddress() const;
54 virtual SocketAddress GetRemoteAddress() const;
55 virtual int Send(const void *pv, size_t cb,
56 const talk_base::PacketOptions& options);
57 virtual int SendTo(const void *pv, size_t cb, const SocketAddress& addr,
58 const talk_base::PacketOptions& options);
61 virtual State GetState() const;
62 virtual int GetOption(Socket::Option opt, int* value);
63 virtual int SetOption(Socket::Option opt, int value);
64 virtual int GetError() const;
65 virtual void SetError(int error);
68 // Called when the underlying socket is ready to be read from.
69 void OnReadEvent(AsyncSocket* socket);
70 // Called when the underlying socket is ready to send.
71 void OnWriteEvent(AsyncSocket* socket);
73 scoped_ptr<AsyncSocket> socket_;
78 } // namespace talk_base
80 #endif // TALK_BASE_ASYNCUDPSOCKET_H_