Files
epics-base/src/ca/inetAddrID.h
Jeff Hill a2cf8335fc cosmetic
2001-08-23 21:02:48 +00:00

77 lines
1.7 KiB
C++

/* $Id$
*
* L O S A L A M O S
* Los Alamos National Laboratory
* Los Alamos, New Mexico 87545
*
* Copyright, 1986, The Regents of the University of California.
*
* Author: Jeff Hill
*/
#ifndef inetAddrIDh
#define inetAddrIDh
#include "osiSock.h"
#include "resourceLib.h"
class inetAddrID {
public:
inetAddrID ( const struct sockaddr_in &addrIn );
bool operator == ( const inetAddrID & ) const;
resTableIndex hash () const;
static unsigned maxIndexBitWidth ();
static unsigned minIndexBitWidth ();
void name ( char *pBuf, unsigned bufSize ) const;
private:
const struct sockaddr_in addr;
};
static const unsigned inetAddrMinIndexBitWidth = 8u;
static const unsigned inetAddrMaxIndexBitWidth = 32u;
inline inetAddrID::inetAddrID ( const struct sockaddr_in & addrIn ) :
addr ( addrIn )
{
}
inline bool inetAddrID::operator == ( const inetAddrID &rhs ) const
{
if ( this->addr.sin_addr.s_addr == rhs.addr.sin_addr.s_addr ) {
if ( this->addr.sin_port == rhs.addr.sin_port ) {
return true;
}
}
return false;
}
inline resTableIndex inetAddrID::hash () const
{
unsigned index;
index = this->addr.sin_addr.s_addr;
index ^= this->addr.sin_port;
index ^= this->addr.sin_port >> 8u;
return integerHash( inetAddrMinIndexBitWidth,
inetAddrMaxIndexBitWidth, index );
}
inline unsigned inetAddrID::maxIndexBitWidth ()
{
return inetAddrMaxIndexBitWidth;
}
inline unsigned inetAddrID::minIndexBitWidth ()
{
return inetAddrMinIndexBitWidth;
}
inline void inetAddrID::name ( char *pBuf, unsigned bufSize ) const
{
ipAddrToDottedIP ( &this->addr, pBuf, bufSize );
}
#endif // ifdef inetAddrID