Files
pcas/src/ca/inetAddrID.h
2004-10-04 18:55:40 +00:00

73 lines
2.0 KiB
C++

/*************************************************************************\
* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
* National Laboratory.
* Copyright (c) 2002 The Regents of the University of California, as
* Operator of Los Alamos National Laboratory.
* EPICS BASE Versions 3.13.7
* and higher are distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
/*
*
* 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;
void name ( char *pBuf, unsigned bufSize ) const;
private:
struct sockaddr_in addr;
};
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
{
const unsigned inetAddrMinIndexBitWidth = 8u;
const unsigned inetAddrMaxIndexBitWidth = 32u;
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 void inetAddrID::name ( char *pBuf, unsigned bufSize ) const
{
ipAddrToDottedIP ( &this->addr, pBuf, bufSize );
}
#endif // ifdef inetAddrID