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/*
* libjingle
* Copyright 2004--2005, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __ASYNCPACKETSOCKET_H__
#define __ASYNCPACKETSOCKET_H__
#include "talk/base/asyncsocket.h"
namespace cricket {
// Provides the ability to receive packets asynchronously. Sends are not
// buffered since it is acceptable to drop packets under high load.
class AsyncPacketSocket : public sigslot::has_slots<> {
public:
AsyncPacketSocket(AsyncSocket* socket);
virtual ~AsyncPacketSocket();
// Relevant socket methods:
virtual SocketAddress GetLocalAddress() const;
virtual SocketAddress GetRemoteAddress() const;
virtual int Bind(const SocketAddress& addr);
virtual int Connect(const SocketAddress& addr);
virtual int Send(const void *pv, size_t cb);
virtual int SendTo(const void *pv, size_t cb, const SocketAddress& addr);
virtual int Close();
virtual int SetOption(Socket::Option opt, int value);
virtual int GetError() const;
virtual void SetError(int error);
// Emitted each time a packet is read.
sigslot::signal4<const char*, size_t, const SocketAddress&, AsyncPacketSocket*> SignalReadPacket;
protected:
AsyncSocket* socket_;
};
} // namespace cricket
#endif // __ASYNCPACKETSOCKET_H__
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