Files
pcas/src/ca/hostNameCache.h
2004-10-19 20:24:57 +00:00

62 lines
1.8 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 Jeffrey O. Hill
* johill@lanl.gov
* 505 665 1831
*/
#ifndef hostNameCacheh
#define hostNameCacheh
#ifdef epicsExportSharedSymbols
# define hostNameCache_epicsExportSharedSymbols
# undef epicsExportSharedSymbols
#endif
#include "ipAddrToAsciiAsynchronous.h"
#include "epicsMutex.h"
#ifdef hostNameCache_epicsExportSharedSymbols
# define epicsExportSharedSymbols
#endif
class hostNameCache : public ipAddrToAsciiCallBack {
public:
hostNameCache ( const osiSockAddr & addr, ipAddrToAsciiEngine & engine );
~hostNameCache ();
void destroy ();
void transactionComplete ( const char * pHostName );
unsigned getName ( char *pBuf, unsigned bufLength ) const;
const char * pointer () const;
private:
char hostNameBuf [128];
mutable epicsMutex mutex;
ipAddrToAsciiTransaction & dnsTransaction;
unsigned nameLength;
};
inline const char * hostNameCache::pointer () const
{
return this->hostNameBuf;
}
#endif // #ifndef hostNameCacheh