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Public Member Functions | Protected Types | Protected Member Functions | Protected Attributes | List of all members
GNet::Request Class Reference

A base class for making asynchronous DNS requests under Windows. More...

#include <grequest.h>

+ Inheritance diagram for GNet::Request:

Public Member Functions

virtual ~Request ()
 Virtual destructor. More...
 
bool valid () const
 Returns true if the constructor initiated a request properly. More...
 
std::string reason () const
 Returns the failure reason if valid() or onMessage() returned false. More...
 
bool onMessage (WPARAM wparam, LPARAM lparam)
 To be called when the request has been completed. More...
 

Protected Types

enum  { magic = 968 }
 

Protected Member Functions

 Request (bool host)
 Constructor. More...
 

Protected Attributes

int m_magic
 
int m_error
 
HANDLE m_handle
 
char m_buffer [MAXGETHOSTSTRUCT]
 
bool m_host
 
bool m_done
 
bool m_numeric
 
GNet::Address m_address
 

Detailed Description

A base class for making asynchronous DNS requests under Windows.

See Also
WSAAsyncGetHostByName()

Definition at line 40 of file grequest.h.

Constructor & Destructor Documentation

GNet::Request::Request ( bool  host)
explicitprotected

Constructor.

Derived class constructors should issue the appropriate WSAAsync..() request, with m_buffer[] given as the result buffer.

virtual GNet::Request::~Request ( )
virtual

Virtual destructor.

Cancels any outstanding request.

Member Function Documentation

bool GNet::Request::onMessage ( WPARAM  wparam,
LPARAM  lparam 
)

To be called when the request has been completed.

Returns false on error.

std::string GNet::Request::reason ( ) const

Returns the failure reason if valid() or onMessage() returned false.

bool GNet::Request::valid ( ) const

Returns true if the constructor initiated a request properly.

The documentation for this class was generated from the following file: