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/* $XConsortium: tags.c,v 1.7 95/05/30 18:36:48 mor Exp $ */
/*
* Copyright 1993 Network Computing Devices, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name Network Computing Devices, Inc. not be
* used in advertising or publicity pertaining to distribution of this
* software without specific, written prior permission.
*
* THIS SOFTWARE IS PROVIDED `AS-IS'. NETWORK COMPUTING DEVICES, INC.,
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT
* LIMITATION ALL IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE, OR NONINFRINGEMENT. IN NO EVENT SHALL NETWORK
* COMPUTING DEVICES, INC., BE LIABLE FOR ANY DAMAGES WHATSOEVER, INCLUDING
* SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING LOSS OF USE, DATA,
* OR PROFITS, EVEN IF ADVISED OF THE POSSIBILITY THEREOF, AND REGARDLESS OF
* WHETHER IN AN ACTION IN CONTRACT, TORT OR NEGLIGENCE, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $NCDId: @(#)tags.c,v 1.10 1994/03/24 17:55:03 lemke Exp $
*/
#include "misc.h"
#include "util.h"
#include "cache.h"
#include "tags.h"
#include "assert.h"
#include "wire.h"
Cache global_cache;
Cache prop_cache;
Bool lbxUseTags = TRUE;
int lbxTagCacheSize = 1000000;
void
TagsInit()
{
/* XXX make these configurable */
if (!lbxUseTags) {
lbxTagCacheSize = 0;
}
global_cache = CacheInit(lbxTagCacheSize);
prop_cache = CacheInit(lbxTagCacheSize);
}
void
FreeTags()
{
CacheFreeCache(global_cache);
CacheFreeCache(prop_cache);
}
/* ARGSUSED */
static void
cache_free(id, data, reason)
CacheID id;
pointer data;
int reason;
{
TagData tag = (TagData) data;
/* tell server we toasted this one */
if (reason != CacheEntryFreed)
SendInvalidateTag(0, tag->tid);
xfree(tag->tdata);
xfree(data);
}
Bool
TagStoreData(cache, id, size, dtype, data)
Cache cache;
CacheID id;
int size;
int dtype;
pointer data;
{
TagData tag;
Bool ret;
assert(lbxUseTags);
tag = (TagData) xalloc(sizeof(TagDataRec));
if (!tag)
return FALSE;
tag->tdata = (pointer) xalloc(size);
if (!tag->tdata) {
xfree(tag);
return FALSE;
}
memcpy((char *) tag->tdata, (char *) data, size);
tag->tid = id;
tag->data_type = dtype;
tag->size = size;
ret = CacheStoreMemory(cache, id, (pointer) tag, size, cache_free);
if (!ret) {
xfree(tag->tdata);
xfree(tag);
}
return ret;
}
TagData
TagGetTag(cache, id)
Cache cache;
CacheID id;
{
TagData tag;
assert(lbxUseTags);
tag = (TagData) CacheFetchMemory(cache, id, TRUE);
return tag;
}
pointer
TagGetData(cache, id)
Cache cache;
CacheID id;
{
TagData tag;
assert(lbxUseTags);
tag = (TagData) CacheFetchMemory(cache, id, TRUE);
if (tag)
return tag->tdata;
else
return (pointer) NULL;
}
void
TagFreeData(cache, id, notify)
Cache cache;
CacheID id;
Bool notify;
{
assert(lbxUseTags);
CacheFreeMemory(cache, id, notify);
}
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