xenocara/xserver/Xext/fontcache.c
2007-11-24 17:55:21 +00:00

331 lines
8.9 KiB
C

/*-
* Copyright (c) 1998-1999 Shunsuke Akiyama <akiyama@jp.FreeBSD.org>.
* All rights reserved.
* Copyright (c) 1998-1999 X-TrueType Server Project, All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* THIS IS NOT AN X CONSORTIUM STANDARD */
#define NEED_REPLIES
#define NEED_EVENTS
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <X11/X.h>
#include <X11/Xproto.h>
#include "misc.h"
#include "dixstruct.h"
#include "extnsionst.h"
#include "scrnintstr.h"
#include "inputstr.h"
#include "servermd.h"
#define _FONTCACHE_SERVER_
#include <X11/extensions/fontcacheP.h>
#include <X11/extensions/fontcachstr.h>
#include <X11/Xfuncproto.h>
#include "swaprep.h"
#include "modinit.h"
static int miscErrorBase;
static void FontCacheResetProc(
ExtensionEntry* /* extEntry */
);
static DISPATCH_PROC(ProcFontCacheDispatch);
static DISPATCH_PROC(ProcFontCacheGetCacheSettings);
static DISPATCH_PROC(ProcFontCacheGetCacheStatistics);
static DISPATCH_PROC(ProcFontCacheQueryVersion);
static DISPATCH_PROC(ProcFontCacheChangeCacheSettings);
static DISPATCH_PROC(SProcFontCacheDispatch);
static DISPATCH_PROC(SProcFontCacheGetCacheSettings);
static DISPATCH_PROC(SProcFontCacheGetCacheStatistics);
static DISPATCH_PROC(SProcFontCacheQueryVersion);
static DISPATCH_PROC(SProcFontCacheChangeCacheSettings);
#if 0
static unsigned char FontCacheReqCode = 0;
#endif
void
FontCacheExtensionInit(INITARGS)
{
ExtensionEntry* extEntry;
if (
(extEntry = AddExtension(FONTCACHENAME,
FontCacheNumberEvents,
FontCacheNumberErrors,
ProcFontCacheDispatch,
SProcFontCacheDispatch,
FontCacheResetProc,
StandardMinorOpcode))) {
#if 0
FontCacheReqCode = (unsigned char)extEntry->base;
#endif
miscErrorBase = extEntry->errorBase;
}
}
/*ARGSUSED*/
static void
FontCacheResetProc (extEntry)
ExtensionEntry* extEntry;
{
}
static int
ProcFontCacheQueryVersion(client)
register ClientPtr client;
{
xFontCacheQueryVersionReply rep;
register int n;
REQUEST_SIZE_MATCH(xFontCacheQueryVersionReq);
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rep.majorVersion = FONTCACHE_MAJOR_VERSION;
rep.minorVersion = FONTCACHE_MINOR_VERSION;
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swaps(&rep.majorVersion, n);
swaps(&rep.minorVersion, n);
}
WriteToClient(client, SIZEOF(xFontCacheQueryVersionReply), (char *)&rep);
return (client->noClientException);
}
static int
ProcFontCacheGetCacheSettings(client)
register ClientPtr client;
{
xFontCacheGetCacheSettingsReply rep;
FontCacheSettings cinfo;
register int n;
REQUEST_SIZE_MATCH(xFontCacheGetCacheSettingsReq);
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
/* XXX */
FontCacheGetSettings(&cinfo);
rep.himark = cinfo.himark;
rep.lowmark = cinfo.lowmark;
rep.balance = cinfo.balance;
rep.reserve0 = 0;
rep.reserve1 = 0;
rep.reserve2 = 0;
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.himark, n);
swapl(&rep.lowmark, n);
swapl(&rep.balance, n);
swapl(&rep.reserve0, n);
swapl(&rep.reserve1, n);
swapl(&rep.reserve2, n);
}
/* XXX */
WriteToClient(client, SIZEOF(xFontCacheGetCacheSettingsReply),
(char *)&rep);
return (client->noClientException);
}
static int
ProcFontCacheGetCacheStatistics(client)
register ClientPtr client;
{
xFontCacheGetCacheStatisticsReply rep;
FontCacheStatistics cstats;
register int n;
REQUEST_SIZE_MATCH(xFontCacheGetCacheStatisticsReq);
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = (sz_xFontCacheGetCacheStatisticsReply - 32) >> 2;
/* XXX */
FontCacheGetStatistics(&cstats);
rep.purge_runs = cstats.purge_runs;
rep.purge_stat = cstats.purge_stat;
rep.balance = cstats.balance;
rep.reserve0 = 0;
rep.f_hits = cstats.f.hits;
rep.f_misshits = cstats.f.misshits;
rep.f_purged = cstats.f.purged;
rep.f_usage = cstats.f.usage;
rep.f_reserve0 = 0;
rep.v_hits = cstats.v.hits;
rep.v_misshits = cstats.v.misshits;
rep.v_purged = cstats.v.purged;
rep.v_usage = cstats.v.usage;
rep.v_reserve0 = 0;
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.purge_runs, n);
swapl(&rep.purge_stat, n);
swapl(&rep.balance, n);
swapl(&rep.reserve0, n);
swapl(&rep.f_hits, n);
swapl(&rep.f_misshits, n);
swapl(&rep.f_purged, n);
swapl(&rep.f_usage, n);
swapl(&rep.f_reserve0, n);
swapl(&rep.v_hits, n);
swapl(&rep.v_misshits, n);
swapl(&rep.v_purged, n);
swapl(&rep.v_usage, n);
swapl(&rep.v_reserve0, n);
}
/* XXX */
WriteToClient(client, SIZEOF(xFontCacheGetCacheStatisticsReply),
(char *)&rep);
return (client->noClientException);
}
static int
ProcFontCacheChangeCacheSettings(client)
register ClientPtr client;
{
FontCacheSettings cs;
REQUEST(xFontCacheChangeCacheSettingsReq);
REQUEST_SIZE_MATCH(xFontCacheChangeCacheSettingsReq);
/* XXX */
cs.himark = stuff->himark;
cs.lowmark = stuff->lowmark;
cs.balance = stuff->balance;
if (cs.himark < 0 || cs.lowmark < 0)
return BadValue;
if (cs.himark <= cs.lowmark)
return BadValue;
if (!(10 <= cs.balance && cs.balance <= 90))
return BadValue;
if (FontCacheChangeSettings(&cs) == 0)
return miscErrorBase + FontCacheCannotAllocMemory;
/* XXX */
return (client->noClientException);
}
static int
ProcFontCacheDispatch (client)
register ClientPtr client;
{
REQUEST(xReq);
switch (stuff->data)
{
case X_FontCacheQueryVersion:
return ProcFontCacheQueryVersion(client);
case X_FontCacheGetCacheSettings:
return ProcFontCacheGetCacheSettings(client);
case X_FontCacheGetCacheStatistics:
return ProcFontCacheGetCacheStatistics(client);
case X_FontCacheChangeCacheSettings:
return ProcFontCacheChangeCacheSettings(client);
default:
return miscErrorBase + FontCacheBadProtocol;
}
}
static int
SProcFontCacheQueryVersion(client)
register ClientPtr client;
{
register int n;
REQUEST(xFontCacheQueryVersionReq);
swaps(&stuff->length, n);
return ProcFontCacheQueryVersion(client);
}
static int
SProcFontCacheGetCacheSettings(client)
ClientPtr client;
{
register int n;
REQUEST(xFontCacheGetCacheSettingsReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xFontCacheGetCacheSettingsReq);
return ProcFontCacheGetCacheSettings(client);
}
static int
SProcFontCacheGetCacheStatistics(client)
ClientPtr client;
{
register int n;
REQUEST(xFontCacheGetCacheStatisticsReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xFontCacheGetCacheStatisticsReq);
return ProcFontCacheGetCacheStatistics(client);
}
static int
SProcFontCacheChangeCacheSettings(client)
ClientPtr client;
{
register int n;
REQUEST(xFontCacheChangeCacheSettingsReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xFontCacheChangeCacheSettingsReq);
/* XXX */
swapl(&stuff->himark, n);
swapl(&stuff->lowmark, n);
swapl(&stuff->balance, n);
/* XXX */
return ProcFontCacheChangeCacheSettings(client);
}
static int
SProcFontCacheDispatch (client)
register ClientPtr client;
{
REQUEST(xReq);
switch (stuff->data)
{
case X_FontCacheQueryVersion:
return SProcFontCacheQueryVersion(client);
case X_FontCacheGetCacheSettings:
return SProcFontCacheGetCacheSettings(client);
case X_FontCacheGetCacheStatistics:
return SProcFontCacheGetCacheStatistics(client);
case X_FontCacheChangeCacheSettings:
return SProcFontCacheChangeCacheSettings(client);
default:
return miscErrorBase + FontCacheBadProtocol;
}
}