henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * libjingle |
| 3 | * Copyright 2004--2005, Google Inc. |
| 4 | * |
mallinath@webrtc.org | f5e5b3a | 2014-02-14 00:56:12 +0000 | [diff] [blame] | 5 | * Redistribution and use in source and binary forms, with or without |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 6 | * modification, are permitted provided that the following conditions are met: |
| 7 | * |
mallinath@webrtc.org | f5e5b3a | 2014-02-14 00:56:12 +0000 | [diff] [blame] | 8 | * 1. Redistributions of source code must retain the above copyright notice, |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 9 | * this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
mallinath@webrtc.org | f5e5b3a | 2014-02-14 00:56:12 +0000 | [diff] [blame] | 13 | * 3. The name of the author may not be used to endorse or promote products |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 14 | * derived from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
mallinath@webrtc.org | f5e5b3a | 2014-02-14 00:56:12 +0000 | [diff] [blame] | 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
mallinath@webrtc.org | f5e5b3a | 2014-02-14 00:56:12 +0000 | [diff] [blame] | 19 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 20 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 22 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
mallinath@webrtc.org | f5e5b3a | 2014-02-14 00:56:12 +0000 | [diff] [blame] | 23 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 24 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 25 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #ifndef TALK_BASE_ASYNCUDPSOCKET_H_ |
| 29 | #define TALK_BASE_ASYNCUDPSOCKET_H_ |
| 30 | |
| 31 | #include "talk/base/asyncpacketsocket.h" |
| 32 | #include "talk/base/scoped_ptr.h" |
| 33 | #include "talk/base/socketfactory.h" |
| 34 | |
| 35 | namespace talk_base { |
| 36 | |
| 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 { |
| 40 | public: |
| 41 | // Binds |socket| and creates AsyncUDPSocket for it. Takes ownership |
| 42 | // of |socket|. Returns NULL if bind() fails (|socket| is destroyed |
| 43 | // in that case). |
| 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(); |
| 52 | |
| 53 | virtual SocketAddress GetLocalAddress() const; |
| 54 | virtual SocketAddress GetRemoteAddress() const; |
mallinath@webrtc.org | f5e5b3a | 2014-02-14 00:56:12 +0000 | [diff] [blame] | 55 | virtual int Send(const void *pv, size_t cb, |
| 56 | const talk_base::PacketOptions& options); |
mallinath@webrtc.org | 391247d | 2013-09-23 20:34:45 +0000 | [diff] [blame] | 57 | virtual int SendTo(const void *pv, size_t cb, const SocketAddress& addr, |
mallinath@webrtc.org | f5e5b3a | 2014-02-14 00:56:12 +0000 | [diff] [blame] | 58 | const talk_base::PacketOptions& options); |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 59 | virtual int Close(); |
| 60 | |
| 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); |
| 66 | |
| 67 | private: |
| 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); |
| 72 | |
| 73 | scoped_ptr<AsyncSocket> socket_; |
| 74 | char* buf_; |
| 75 | size_t size_; |
| 76 | }; |
| 77 | |
| 78 | } // namespace talk_base |
| 79 | |
| 80 | #endif // TALK_BASE_ASYNCUDPSOCKET_H_ |