382 lines
10 KiB
C
382 lines
10 KiB
C
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/* $Xorg: wire.h,v 1.4 2001/02/09 02:05:32 xorgcvs Exp $ */
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/*
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Copyright 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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*/
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/*
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* Copyright 1992 Network Computing Devices
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of NCD. not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. NCD. makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* NCD. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NCD.
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* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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/* $XFree86: xc/programs/lbxproxy/include/wire.h,v 1.7 2001/12/14 20:00:56 dawes Exp $ */
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#ifdef DEBUG /* Need this here because lbx.h undef's DEBUG */
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extern int lbxDebug;
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#endif
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#include "misc.h"
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#include "lbx.h"
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#include <X11/extensions/lbxdeltastr.h>
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#include <X11/extensions/lbximage.h>
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#include "proxyopts.h"
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#include "colormap.h"
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#include "atomcache.h"
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#include "cache.h"
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#include "resource.h"
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typedef struct _extinfo *ExtensionInfoPtr;
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/*
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* NOTES on the implementation of the multi-display lbxproxy.
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*
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* o Each display has its own listen port(s).
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*
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* o Depending on how the proxy is compiled, it may support multiple
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* transports thus more than one fd may be associated with a display.
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*
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* o When a new client connects, the proxy must be able to determine
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* which display the client is interested in. To facilitate this, when
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* a display's listen port(s) are created, a list of the display's
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* fd's is cached in the field listen_fds.
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*
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* o When accept is called, the listen_fds in the servers array is
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* searched to find the client's display.
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*/
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/*
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* MAXTRANSPORTS is the maximum number of transports or listen
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* ports that a proxy can support. The number is determine at compile
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* by the xtrans library but there is no public interface to this
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* number. See lib/xtrans/Xtrans.c for more information.
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*/
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#define MAXTRANSPORTS 13
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/*
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* The maximum number of options that is negotiable.
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*/
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#define MAX_NEG_OPTS 8
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typedef struct _LbxOptionsListRec {
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CARD8 optcode;
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Bool negotiate;
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int (*req)();
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int (*reply)();
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} LbxOptionsListRec;
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typedef struct _LbxDeltaOptionsRec {
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CARD8 minN; /* min cache size */
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CARD8 maxN; /* max cache size */
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CARD8 prefN; /* preferred cache size */
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CARD8 minMaxMsgLen; /* min max-message-len / 4 */
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CARD8 maxMaxMsgLen; /* max max-message-len / 4 */
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CARD8 prefMaxMsgLen; /* preferred max-message-len / 4 */
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} LbxDeltaOptionsRec;
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typedef struct _LbxStreamComp {
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int typelen;
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char *type;
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int (*req)();
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int (*reply)();
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} LbxStreamCompRec;
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typedef struct _LbxCmapAllMethod {
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char *methodName;
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void (*resolver)(
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LbxVisualPtr /* pVisual */,
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CARD16* /* red */,
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CARD16* /* green */,
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CARD16* /* blue */
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);
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Pixel (*findfree)(
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ColormapPtr /* pmap */,
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CARD32 /* red */,
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CARD32 /* green */,
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CARD32 /* blue */
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);
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Entry * (* findbest)(
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ColormapPtr /* pmap */,
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CARD32 /* red */,
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CARD32 /* green */,
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CARD32 /* blue */,
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int /* channels */
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);
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} LbxCmapAllMethod;
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typedef struct _XServer {
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int index;
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int fd;
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int lbxReq;
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int lbxEvent;
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int lbxError;
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Bool initialized;
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char *display_name; /* The name as requested by the client*/
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char *proxy_name; /* The actual name used by the proxy */
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int listen_fds[MAXTRANSPORTS];
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ClientPtr prev_exec;
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ClientPtr send, recv;
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ClientPtr serverClient;
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int recv_expect;
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int motion_allowed;
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Bool wm_running;
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pointer compHandle;
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lbxMotionCache motionCache;
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ExtensionInfoPtr extensions;
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LBXDeltasRec indeltas;
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LBXDeltasRec outdeltas;
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/*
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* The following fields are needed to handle the option
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* negotiation for a multi-display proxy.
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*/
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LbxOptionsListRec LbxOptions[MAX_NEG_OPTS];
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int optcount; /* Number of options actually negotiated */
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int optlist[MAX_NEG_OPTS];
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LbxNegOptsRec lbxNegOpt;
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LbxDeltaOptionsRec proxyDeltaOpt;
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LbxDeltaOptionsRec serverDeltaOpt;
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LbxStreamCompRec LbxStreamComp[1];
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LbxBitmapCompMethod LbxBitmapCompMethods[1];
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LbxPixmapCompMethod LbxPixmapCompMethods[1];
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LbxCmapAllMethod LbxCmapAllMethods[1];
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/*
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* requestVector is the function table to be used by the
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* "real" clients associated with this server.
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*/
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int (**requestVector) (
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ClientPtr /* pClient */
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);
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/*
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* The following fields are needed to handle the atom
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* cache for a multi-display proxy.
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*/
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AtomControlPtr atom_control;
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int atom_control_count;
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AtomListPtr *hashTable;
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int hashSize;
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int hashUsed;
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int hashMask;
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int rehash;
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AtomListPtr *reverseMap;
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int reverseMapSize;
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Atom lastAtom;
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/*
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* The following fields are needed for each server's
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* global and property caches.
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*/
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Cache global_cache;
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Cache prop_cache;
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CachePtr caches[MAX_NUM_CACHES + 1];
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int num_caches;
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unsigned long seed;
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/*
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* The following fields are needed for each server's
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* colormap caches.
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*/
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RGBCacheEntryPtr rgb_cache[NBUCKETS];
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RGBEntryRec rgb_buf;
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Entry rgb_ent;
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/*
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* Server-specific temporary delta buffer
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*/
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unsigned char tempdeltabuf[256];
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/*
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* The following fields are used to mange a server's resources
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*/
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ClientResourceRec clientTable[MAXCLIENTS];
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ClientPtr lastLbxClientIndexLookup;
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/*
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* The following fields maintain a server's state for grab's
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*/
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int lbxIgnoringAll;
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int lbxGrabInProgress;
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struct _XDisplay* dpy;
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} XServerRec;
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/*
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* External declarations for global variables defined in main.c
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*/
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extern XServerPtr * servers;
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extern char * display;
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extern int lbxMaxServers;
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extern void WriteReqToServer(
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ClientPtr /*client*/,
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int /*len*/,
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char * /*buf*/,
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Bool /*checkLargeRequest*/
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);
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extern void _write_to_server(
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ClientPtr /*client*/,
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Bool /*compressed*/,
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int /*len*/,
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char* /*buf*/,
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Bool /*checkLarge*/,
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Bool /*startOfRequest*/
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);
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extern void WriteToServer(
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ClientPtr /*client*/,
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int /*len*/,
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char * /*buf*/,
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Bool /*startOfRequest*/,
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Bool /*checkLargeRequest*/
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);
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extern void WriteToServerUncompressed(
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ClientPtr /*client*/,
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int /*len*/,
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char * /*buf*/,
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Bool /* startOfRequest */
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);
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extern Bool NewClient(
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ClientPtr /*client*/,
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int /*setuplen*/
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);
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extern void CloseClient(
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ClientPtr /*client*/
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);
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extern void ModifySequence(
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ClientPtr /*client*/,
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int /*num*/
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);
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extern void AllowMotion(
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ClientPtr /*client*/,
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int /*num*/
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);
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extern void SendIncrementPixel(
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ClientPtr /*client*/,
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XID /*cmap*/,
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unsigned long /*pixel*/
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);
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extern void SendAllocColor(
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ClientPtr /* pClient */,
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XID /* cmap */,
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CARD32 /* pixel */,
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CARD16 /* red */,
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CARD16 /* green */,
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CARD16 /* blue */
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);
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extern void SendGetModifierMapping(
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ClientPtr /*client*/
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);
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extern void SendGetKeyboardMapping(
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ClientPtr /*client*/
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);
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extern void SendQueryFont(
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ClientPtr /*client*/,
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XID /*fid*/
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);
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extern void SendChangeProperty(
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ClientPtr /*client*/,
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Window /*win*/,
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Atom /*prop*/,
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Atom /*type*/,
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int /*format*/,
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int /*mode*/,
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unsigned long /*num*/
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);
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extern void SendGetProperty(
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ClientPtr /*client*/,
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Window /*win*/,
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Atom /*prop*/,
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Atom /*type*/,
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Bool /*delete*/,
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unsigned long /*off*/,
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unsigned long /*len*/
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);
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extern void SendInvalidateTag(
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ClientPtr /*client*/,
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XID /*tag*/
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);
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extern void SendTagData(
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ClientPtr /*client*/,
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XID /*tag*/,
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unsigned long /*len*/,
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pointer /*data*/
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);
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extern void SendGetImage(
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ClientPtr /*client*/,
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Drawable /*drawable*/,
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int /*x*/,
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int /*y*/,
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unsigned int /*width*/,
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unsigned int /*height*/,
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unsigned long /*planeMask*/,
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int /*format*/
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);
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extern int ServerProcStandardEvent(
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ClientPtr /*sc*/
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);
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extern void CloseServer(
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ClientPtr /*client*/
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);
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extern Bool ConnectToServer(
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char * /*dpy_name*/
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);
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