AsyncUdpSocket.h

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#ifndef ASYNC_UDP_SOCKET_INCLUDED
#define ASYNC_UDP_SOCKET_INCLUDED
 
 
/****************************************************************************
 *
 * System Includes
 *
 ****************************************************************************/
 
#include <sigc++/sigc++.h>
#include <stdint.h>
 
 
/****************************************************************************
 *
 * Project Includes
 *
 ****************************************************************************/
 
#include <AsyncIpAddress.h>
 
 
/****************************************************************************
 *
 * Local Includes
 *
 ****************************************************************************/
 
 
 
/****************************************************************************
 *
 * Forward declarations
 *
 ****************************************************************************/
 
class UdpPacket;
 
 
/****************************************************************************
 *
 * Namespace
 *
 ****************************************************************************/
 
namespace Async
{
 
 
/****************************************************************************
 *
 * Forward declarations of classes inside of the declared namespace
 *
 ****************************************************************************/
 
class FdWatch;
 
 
/****************************************************************************
 *
 * Defines & typedefs
 *
 ****************************************************************************/
 
 
 
/****************************************************************************
 *
 * Exported Global Variables
 *
 ****************************************************************************/
 
 
 
/****************************************************************************
 *
 * Class definitions
 *
 ****************************************************************************/
 
class UdpSocket : public sigc::trackable
{
  public:
    UdpSocket(uint16_t local_port=0, const IpAddress &bind_ip=IpAddress());
  
    virtual ~UdpSocket(void);
 
    virtual bool initOk(void) const { return (sock != -1); }
 
    Async::IpAddress localAddr(void) const;
 
    uint16_t localPort(void) const;
 
    virtual bool write(const IpAddress& remote_ip, int remote_port,
        const void *buf, int count);
 
    virtual int fd(void) const { return sock; }
 
    sigc::signal<void, const IpAddress&, uint16_t, void*, int> dataReceived;
    
    sigc::signal<void, bool> sendBufferFull;
    
  protected:
    virtual void onDataReceived(const IpAddress& ip, uint16_t port, void* buf,
        int count);
 
  private:
    int         sock;
    FdWatch *   rd_watch;
    FdWatch *   wr_watch;
    UdpPacket * send_buf;
    
    void cleanup(void);
    void handleInput(FdWatch *watch);
    void sendRest(FdWatch *watch);
 
};  /* class UdpSocket */
 
 
} /* namespace */
 
#endif /* ASYNC_UDP_SOCKET_INCLUDED */
 
 
 
/*
 * This file has not been truncated
 */