asyncpacketsocket.h

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#ifndef UTILS_BASE_ASYNCPACKETSOCKET_H_
#define UTILS_BASE_ASYNCPACKETSOCKET_H_

#include "asyncsocket.h"

namespace utils_base {

// 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 utils_base

#endif // UTILS_BASE_ASYNCPACKETSOCKET_H_