// $Id$

#ifndef RECV_H
#define RECV_h

#include "Protocol_Task.h"

class ACE_SOCK_Stream;

/* Get some data from the peer and send it upstream for
   de-protocol-ization.
*/
class Recv : public Protocol_Task
{
public:

    typedef Protocol_Task inherited;

     // Give it someone to talk to...
    Recv( ACE_SOCK_Stream & _peer );
    
    ~Recv(void);

     // Trigger a read from the socket
    int get(void);

     // In some cases it might be easier to check the "state" of the
     // Recv object than to rely on return codes filtering back to
     // you.
    int error(void)
        {
            return this->error_;
        }
    
protected:

    ACE_SOCK_Stream & peer(void)
        {
            return this->peer_;
        }

     // The baseclass will trigger this when our get() method is
     // called.  A message block of the appropriate size is created,
     // filled and passed up the stream.
    int recv(ACE_Message_Block * message,
             ACE_Time_Value *timeout = 0);

private:
     // Our endpoint
    ACE_SOCK_Stream & peer_;

     // get() uses a bogus message block to cause the baseclass to
     // invoke recv().  To avoid memory thrashing, we create that
     // bogus message once and reuse it for the life of Recv.
    ACE_Message_Block * tickler_;

     // Our error flag (duh)
    int error_;
};

#endif // RECV_H