diff options
Diffstat (limited to 'xorg-server/hw/dmx/dmx.c')
| -rw-r--r-- | xorg-server/hw/dmx/dmx.c | 1132 |
1 files changed, 1132 insertions, 0 deletions
diff --git a/xorg-server/hw/dmx/dmx.c b/xorg-server/hw/dmx/dmx.c new file mode 100644 index 000000000..5f1fc0546 --- /dev/null +++ b/xorg-server/hw/dmx/dmx.c @@ -0,0 +1,1132 @@ +/* + * Copyright 2002-2004 Red Hat Inc., Durham, North Carolina. + * + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation on the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * Authors: + * Rickard E. (Rik) Faith <faith@redhat.com> + * + */ + +/** \file + * This file implements the server-side part of the DMX protocol. A + * vector of fucntions is provided at extension initialization time, so + * most all of the useful functions in this file are declared static and + * do not appear in the doxygen documentation. + * + * Much of the low-level work is done by functions in #dmxextension.c + * + * Please see the Client-to-Server DMX Extension to the X Protocol + * document for details about the protocol. */ + +#ifdef HAVE_DMX_CONFIG_H +#include <dmx-config.h> +#endif + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "os.h" +#include "dixstruct.h" +#define EXTENSION_PROC_ARGS void * +#include "extnsionst.h" +#include "opaque.h" + +#include "dmxextension.h" +#include <X11/extensions/dmxproto.h> + +#define _DMX_SERVER_ +#include <X11/extensions/dmxext.h> + +#ifdef PANORAMIX +#include "panoramiX.h" +extern unsigned long XRT_WINDOW; +extern int PanoramiXNumScreens; +#endif + +extern void DMXExtensionInit(void); + +static unsigned char DMXCode; + +static DISPATCH_PROC(ProcDMXDispatch); +static DISPATCH_PROC(ProcDMXQueryVersion); +static DISPATCH_PROC(ProcDMXSync); +static DISPATCH_PROC(ProcDMXForceWindowCreation); +static DISPATCH_PROC(ProcDMXGetScreenCount); +static DISPATCH_PROC(ProcDMXGetScreenAttributes); +static DISPATCH_PROC(ProcDMXChangeScreensAttributes); +static DISPATCH_PROC(ProcDMXAddScreen); +static DISPATCH_PROC(ProcDMXRemoveScreen); +static DISPATCH_PROC(ProcDMXGetWindowAttributes); +static DISPATCH_PROC(ProcDMXGetDesktopAttributes); +static DISPATCH_PROC(ProcDMXChangeDesktopAttributes); +static DISPATCH_PROC(ProcDMXGetInputCount); +static DISPATCH_PROC(ProcDMXGetInputAttributes); +static DISPATCH_PROC(ProcDMXAddInput); +static DISPATCH_PROC(ProcDMXRemoveInput); + +static DISPATCH_PROC(SProcDMXDispatch); +static DISPATCH_PROC(SProcDMXQueryVersion); +static DISPATCH_PROC(SProcDMXSync); +static DISPATCH_PROC(SProcDMXForceWindowCreation); +static DISPATCH_PROC(SProcDMXGetScreenCount); +static DISPATCH_PROC(SProcDMXGetScreenAttributes); +static DISPATCH_PROC(SProcDMXChangeScreensAttributes); +static DISPATCH_PROC(SProcDMXAddScreen); +static DISPATCH_PROC(SProcDMXRemoveScreen); +static DISPATCH_PROC(SProcDMXGetWindowAttributes); +static DISPATCH_PROC(SProcDMXGetDesktopAttributes); +static DISPATCH_PROC(SProcDMXChangeDesktopAttributes); +static DISPATCH_PROC(SProcDMXGetInputCount); +static DISPATCH_PROC(SProcDMXGetInputAttributes); +static DISPATCH_PROC(SProcDMXAddInput); +static DISPATCH_PROC(SProcDMXRemoveInput); + +static int _DMXXineramaActive(void) +{ +#ifdef PANORAMIX + return !noPanoramiXExtension; +#endif + return 0; +} + +static void DMXResetProc(ExtensionEntry *extEntry) +{ +} + +/** Initialize the extension. */ +void DMXExtensionInit(void) +{ + ExtensionEntry *extEntry; + + if ((extEntry = AddExtension(DMX_EXTENSION_NAME, 0, 0, + ProcDMXDispatch, SProcDMXDispatch, + DMXResetProc, StandardMinorOpcode))) + DMXCode = extEntry->base; +} + +static void dmxSetScreenAttribute(int bit, DMXScreenAttributesPtr attr, + CARD32 value) +{ + switch (1 << bit) { + case DMXScreenWindowWidth: attr->screenWindowWidth = value; break; + case DMXScreenWindowHeight: attr->screenWindowHeight = value; break; + case DMXScreenWindowXoffset: attr->screenWindowXoffset = value; break; + case DMXScreenWindowYoffset: attr->screenWindowYoffset = value; break; + case DMXRootWindowWidth: attr->rootWindowWidth = value; break; + case DMXRootWindowHeight: attr->rootWindowHeight = value; break; + case DMXRootWindowXoffset: attr->rootWindowXoffset = value; break; + case DMXRootWindowYoffset: attr->rootWindowYoffset = value; break; + case DMXRootWindowXorigin: attr->rootWindowXorigin = value; break; + case DMXRootWindowYorigin: attr->rootWindowYorigin = value; break; + } +} + +static int dmxFetchScreenAttributes(unsigned int mask, + DMXScreenAttributesPtr attr, + CARD32 *value_list) +{ + int i; + CARD32 *value = value_list; + int count = 0; + + for (i = 0; i < 32; i++) { + if (mask & (1 << i)) { + dmxSetScreenAttribute(i, attr, *value); + ++value; + ++count; + } + } + return count; +} + +static void dmxSetDesktopAttribute(int bit, DMXDesktopAttributesPtr attr, + CARD32 value) +{ + switch (1 << bit) { + case DMXDesktopWidth: attr->width = value; break; + case DMXDesktopHeight: attr->height = value; break; + case DMXDesktopShiftX: attr->shiftX = value; break; + case DMXDesktopShiftY: attr->shiftY = value; break; + } +} + +static int dmxFetchDesktopAttributes(unsigned int mask, + DMXDesktopAttributesPtr attr, + CARD32 *value_list) +{ + int i; + CARD32 *value = value_list; + int count = 0; + + for (i = 0; i < 32; i++) { + if (mask & (1 << i)) { + dmxSetDesktopAttribute(i, attr, *value); + ++value; + ++count; + } + } + return count; +} + +static void dmxSetInputAttribute(int bit, DMXInputAttributesPtr attr, + CARD32 value) +{ + switch (1 << bit) { + case DMXInputType: attr->inputType = value; break; + case DMXInputPhysicalScreen: attr->physicalScreen = value; break; + case DMXInputSendsCore: attr->sendsCore = !!value; break; + } +} + +static int dmxFetchInputAttributes(unsigned int mask, + DMXInputAttributesPtr attr, + CARD32 *value_list) +{ + int i; + CARD32 *value = value_list; + int count = 0; + + for (i = 0; i < 32; i++) { + if (mask & (1 << i)) { + dmxSetInputAttribute(i, attr, *value); + ++value; + ++count; + } + } + return count; +} + +static int ProcDMXQueryVersion(ClientPtr client) +{ + xDMXQueryVersionReply rep; + int n; + + REQUEST_SIZE_MATCH(xDMXQueryVersionReq); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.majorVersion = DMX_EXTENSION_MAJOR; + rep.minorVersion = DMX_EXTENSION_MINOR; + rep.patchVersion = DMX_EXTENSION_PATCH; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.majorVersion, n); + swapl(&rep.minorVersion, n); + swapl(&rep.patchVersion, n); + } + WriteToClient(client, sizeof(xDMXQueryVersionReply), (char *)&rep); + return client->noClientException; +} + +static int ProcDMXSync(ClientPtr client) +{ + xDMXSyncReply rep; + int n; + + REQUEST_SIZE_MATCH(xDMXSyncReq); + + dmxFlushPendingSyncs(); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.status = 0; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.status, n); + } + WriteToClient(client, sizeof(xDMXSyncReply), (char *)&rep); + return client->noClientException; +} + +static int ProcDMXForceWindowCreation(ClientPtr client) +{ + xDMXForceWindowCreationReply rep; + REQUEST(xDMXForceWindowCreationReq); + WindowPtr pWin; + int n; + + REQUEST_SIZE_MATCH(xDMXForceWindowCreationReq); + +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + PanoramiXRes *win; + int i; + + if (!(win = SecurityLookupIDByType(client, stuff->window, XRT_WINDOW, + DixReadAccess))) + return -1; /* BadWindow */ + + FOR_NSCREENS(i) { + if (Success != dixLookupWindow(&pWin, win->info[i].id, client, + DixReadAccess)) + return -1; /* BadWindow */ + + dmxForceWindowCreation(pWin); + } + goto doreply; + } +#endif + + if (Success != dixLookupWindow(&pWin, stuff->window, client, + DixReadAccess)) + return -1; /* BadWindow */ + + dmxForceWindowCreation(pWin); + doreply: + dmxFlushPendingSyncs(); + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.status = 0; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.status, n); + } + WriteToClient(client, sizeof(xDMXForceWindowCreationReply), (char *)&rep); + return Success; +} + +static int ProcDMXGetScreenCount(ClientPtr client) +{ + xDMXGetScreenCountReply rep; + int n; + + REQUEST_SIZE_MATCH(xDMXGetScreenCountReq); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.screenCount = dmxGetNumScreens(); + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.screenCount, n); + } + WriteToClient(client, sizeof(xDMXGetScreenCountReply), (char *)&rep); + return client->noClientException; +} + +static int ProcDMXGetScreenAttributes(ClientPtr client) +{ + REQUEST(xDMXGetScreenAttributesReq); + xDMXGetScreenAttributesReply rep; + int n; + int length; + int paddedLength; + DMXScreenAttributesRec attr; + + REQUEST_SIZE_MATCH(xDMXGetScreenAttributesReq); + + if (stuff->physicalScreen < 0 + || stuff->physicalScreen >= dmxGetNumScreens()) return BadValue; + + if (!dmxGetScreenAttributes(stuff->physicalScreen, &attr)) + return BadValue; + + rep.logicalScreen = attr.logicalScreen; + rep.screenWindowWidth = attr.screenWindowWidth; + rep.screenWindowHeight = attr.screenWindowHeight; + rep.screenWindowXoffset = attr.screenWindowXoffset; + rep.screenWindowYoffset = attr.screenWindowYoffset; + rep.rootWindowWidth = attr.rootWindowWidth; + rep.rootWindowHeight = attr.rootWindowHeight; + rep.rootWindowXoffset = attr.rootWindowXoffset; + rep.rootWindowYoffset = attr.rootWindowYoffset; + rep.rootWindowXorigin = attr.rootWindowXorigin; + rep.rootWindowYorigin = attr.rootWindowYorigin; + + length = attr.displayName ? strlen(attr.displayName) : 0; + paddedLength = (length + 3) & ~3; + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = paddedLength >> 2; + rep.displayNameLength = length; + + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.displayNameLength, n); + swapl(&rep.logicalScreen, n); + swaps(&rep.screenWindowWidth, n); + swaps(&rep.screenWindowHeight, n); + swaps(&rep.screenWindowXoffset, n); + swaps(&rep.screenWindowYoffset, n); + swaps(&rep.rootWindowWidth, n); + swaps(&rep.rootWindowHeight, n); + swaps(&rep.rootWindowXoffset, n); + swaps(&rep.rootWindowYoffset, n); + swaps(&rep.rootWindowXorigin, n); + swaps(&rep.rootWindowYorigin, n); + } + WriteToClient(client, sizeof(xDMXGetScreenAttributesReply), (char *)&rep); + if (length) WriteToClient(client, length, (char *)attr.displayName); + return client->noClientException; +} + +static int ProcDMXChangeScreensAttributes(ClientPtr client) +{ + REQUEST(xDMXChangeScreensAttributesReq); + xDMXChangeScreensAttributesReply rep; + int n; + int status = DMX_BAD_XINERAMA; + unsigned int mask = 0; + unsigned int i; + CARD32 *screen_list; + CARD32 *mask_list; + CARD32 *value_list; + DMXScreenAttributesPtr attribs; + int errorScreen = 0; + unsigned int len; + int ones = 0; + + + REQUEST_AT_LEAST_SIZE(xDMXChangeScreensAttributesReq); + len = client->req_len - (sizeof(xDMXChangeScreensAttributesReq) >> 2); + if (len < stuff->screenCount + stuff->maskCount) + return BadLength; + + screen_list = (CARD32 *)(stuff + 1); + mask_list = &screen_list[stuff->screenCount]; + value_list = &mask_list[stuff->maskCount]; + + for (i = 0; i < stuff->maskCount; i++) ones += Ones(mask_list[i]); + if (len != stuff->screenCount + stuff->maskCount + ones) + return BadLength; + + if (!_DMXXineramaActive()) goto noxinerama; + + if (!(attribs = xalloc(stuff->screenCount * sizeof(*attribs)))) + return BadAlloc; + + for (i = 0; i < stuff->screenCount; i++) { + int count; + + if (i < stuff->maskCount) mask = mask_list[i]; + dmxGetScreenAttributes(screen_list[i], &attribs[i]); + count = dmxFetchScreenAttributes(mask, &attribs[i], value_list); + value_list += count; + } + +#if PANORAMIX + status = dmxConfigureScreenWindows(stuff->screenCount, + screen_list, + attribs, + &errorScreen); +#endif + + xfree(attribs); + + if (status == BadValue) return status; + + noxinerama: + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.status = status; + rep.errorScreen = errorScreen; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.status, n); + swapl(&rep.errorScreen, n); + } + WriteToClient(client, + sizeof(xDMXChangeScreensAttributesReply), + (char *)&rep); + return client->noClientException; +} + +static int ProcDMXAddScreen(ClientPtr client) +{ + REQUEST(xDMXAddScreenReq); + xDMXAddScreenReply rep; + int n; + int status = 0; + CARD32 *value_list; + DMXScreenAttributesRec attr; + int count; + char *name; + int len; + int paddedLength; + + REQUEST_AT_LEAST_SIZE(xDMXAddScreenReq); + paddedLength = (stuff->displayNameLength + 3) & ~3; + len = client->req_len - (sizeof(xDMXAddScreenReq) >> 2); + if (len != Ones(stuff->valueMask) + paddedLength/4) + return BadLength; + + memset(&attr, 0, sizeof(attr)); + dmxGetScreenAttributes(stuff->physicalScreen, &attr); + value_list = (CARD32 *)(stuff + 1); + count = dmxFetchScreenAttributes(stuff->valueMask, &attr, value_list); + + if (!(name = xalloc(stuff->displayNameLength + 1 + 4))) + return BadAlloc; + memcpy(name, &value_list[count], stuff->displayNameLength); + name[stuff->displayNameLength] = '\0'; + attr.displayName = name; + + status = dmxAttachScreen(stuff->physicalScreen, &attr); + + xfree(name); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.status = status; + rep.physicalScreen = stuff->physicalScreen; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.status, n); + swapl(&rep.physicalScreen, n); + } + WriteToClient(client, + sizeof(xDMXAddScreenReply), + (char *)&rep); + return client->noClientException; +} + +static int ProcDMXRemoveScreen(ClientPtr client) +{ + REQUEST(xDMXRemoveScreenReq); + xDMXRemoveScreenReply rep; + int n; + int status = 0; + + REQUEST_SIZE_MATCH(xDMXRemoveScreenReq); + + status = dmxDetachScreen(stuff->physicalScreen); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.status = status; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.status, n); + } + WriteToClient(client, + sizeof(xDMXRemoveScreenReply), + (char *)&rep); + return client->noClientException; +} + + +#ifdef PANORAMIX +static int dmxPopulatePanoramiX(ClientPtr client, Window window, + CARD32 *screens, CARD32 *windows, + xRectangle *pos, xRectangle *vis) +{ + WindowPtr pWin; + PanoramiXRes *win; + int i; + int count = 0; + DMXWindowAttributesRec attr; + + if (!(win = SecurityLookupIDByType(client, window, XRT_WINDOW, + DixReadAccess))) + return -1; /* BadWindow */ + + FOR_NSCREENS(i) { + if (Success != dixLookupWindow(&pWin, win->info[i].id, client, + DixReadAccess)) + return -1; /* BadWindow */ + if (dmxGetWindowAttributes(pWin, &attr)) { + screens[count] = attr.screen; + windows[count] = attr.window; + pos[count] = attr.pos; + vis[count] = attr.vis; + ++count; /* Only count existing windows */ + } + } + return count; +} +#endif + +static int dmxPopulate(ClientPtr client, Window window, CARD32 *screens, + CARD32 *windows, xRectangle *pos, xRectangle *vis) +{ + WindowPtr pWin; + DMXWindowAttributesRec attr; + +#ifdef PANORAMIX + if (!noPanoramiXExtension) + return dmxPopulatePanoramiX(client, window, screens, windows, + pos, vis); +#endif + + if (Success != dixLookupWindow(&pWin, window, client, DixReadAccess)) + return -1; /* BadWindow */ + + dmxGetWindowAttributes(pWin, &attr); + *screens = attr.screen; + *windows = attr.window; + *pos = attr.pos; + *vis = attr.vis; + return 1; +} + +static int dmxMaxNumScreens(void) +{ +#ifdef PANORAMIX + if (!noPanoramiXExtension) return PanoramiXNumScreens; +#endif + return 1; +} + +static int ProcDMXGetWindowAttributes(ClientPtr client) +{ + REQUEST(xDMXGetWindowAttributesReq); + xDMXGetWindowAttributesReply rep; + int i, n; + CARD32 *screens; + CARD32 *windows; + xRectangle *pos, *vis; + int count = dmxMaxNumScreens(); + + REQUEST_SIZE_MATCH(xDMXGetWindowAttributesReq); + + if (!(screens = xalloc(count * sizeof(*screens)))) + return BadAlloc; + if (!(windows = xalloc(count * sizeof(*windows)))) { + xfree(screens); + return BadAlloc; + } + if (!(pos = xalloc(count * sizeof(*pos)))) { + xfree(windows); + xfree(screens); + return BadAlloc; + } + if (!(vis = xalloc(count * sizeof(*vis)))) { + xfree(pos); + xfree(windows); + xfree(screens); + return BadAlloc; + } + + if ((count = dmxPopulate(client, stuff->window, screens, windows, + pos, vis)) < 0) { + xfree(vis); + xfree(pos); + xfree(windows); + xfree(screens); + return BadWindow; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = count * 6; + rep.screenCount = count; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.screenCount, n); + for (i = 0; i < count; i++) { + swapl(&screens[i], n); + swapl(&windows[i], n); + + swaps(&pos[i].x, n); + swaps(&pos[i].y, n); + swaps(&pos[i].width, n); + swaps(&pos[i].height, n); + + swaps(&vis[i].x, n); + swaps(&vis[i].y, n); + swaps(&vis[i].width, n); + swaps(&vis[i].height, n); + } + } + + dmxFlushPendingSyncs(); + + WriteToClient(client, sizeof(xDMXGetWindowAttributesReply), (char *)&rep); + if (count) { + WriteToClient(client, count * sizeof(*screens), (char *)screens); + WriteToClient(client, count * sizeof(*windows), (char *)windows); + WriteToClient(client, count * sizeof(*pos), (char *)pos); + WriteToClient(client, count * sizeof(*vis), (char *)vis); + } + + xfree(vis); + xfree(pos); + xfree(windows); + xfree(screens); + + return client->noClientException; +} + +static int ProcDMXGetDesktopAttributes(ClientPtr client) +{ + xDMXGetDesktopAttributesReply rep; + int n; + DMXDesktopAttributesRec attr; + + REQUEST_SIZE_MATCH(xDMXGetDesktopAttributesReq); + + dmxGetDesktopAttributes(&attr); + + rep.width = attr.width; + rep.height = attr.height; + rep.shiftX = attr.shiftX; + rep.shiftY = attr.shiftY; + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.width, n); + swapl(&rep.height, n); + swapl(&rep.shiftX, n); + swapl(&rep.shiftY, n); + } + WriteToClient(client, sizeof(xDMXGetDesktopAttributesReply), (char *)&rep); + return client->noClientException; +} + +static int ProcDMXChangeDesktopAttributes(ClientPtr client) +{ + REQUEST(xDMXChangeDesktopAttributesReq); + xDMXChangeDesktopAttributesReply rep; + int n; + int status = DMX_BAD_XINERAMA; + CARD32 *value_list; + DMXDesktopAttributesRec attr; + int len; + + REQUEST_AT_LEAST_SIZE(xDMXChangeDesktopAttributesReq); + len = client->req_len - (sizeof(xDMXChangeDesktopAttributesReq) >> 2); + if (len != Ones(stuff->valueMask)) + return BadLength; + + if (!_DMXXineramaActive()) goto noxinerama; + + value_list = (CARD32 *)(stuff + 1); + + dmxGetDesktopAttributes(&attr); + dmxFetchDesktopAttributes(stuff->valueMask, &attr, value_list); + +#if PANORAMIX + status = dmxConfigureDesktop(&attr); +#endif + if (status == BadValue) return status; + + noxinerama: + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.status = status; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.status, n); + } + WriteToClient(client, + sizeof(xDMXChangeDesktopAttributesReply), + (char *)&rep); + return client->noClientException; +} + +static int ProcDMXGetInputCount(ClientPtr client) +{ + xDMXGetInputCountReply rep; + int n; + + REQUEST_SIZE_MATCH(xDMXGetInputCountReq); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.inputCount = dmxGetInputCount(); + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.inputCount, n); + } + WriteToClient(client, sizeof(xDMXGetInputCountReply), (char *)&rep); + return client->noClientException; +} + +static int ProcDMXGetInputAttributes(ClientPtr client) +{ + REQUEST(xDMXGetInputAttributesReq); + xDMXGetInputAttributesReply rep; + int n; + int length; + int paddedLength; + DMXInputAttributesRec attr; + + REQUEST_SIZE_MATCH(xDMXGetInputAttributesReq); + + if (dmxGetInputAttributes(stuff->deviceId, &attr)) return BadValue; + rep.inputType = attr.inputType; + rep.physicalScreen = attr.physicalScreen; + rep.physicalId = attr.physicalId; + rep.isCore = attr.isCore; + rep.sendsCore = attr.sendsCore; + rep.detached = attr.detached; + + length = attr.name ? strlen(attr.name) : 0; + paddedLength = (length + 3) & ~3; + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = paddedLength >> 2; + rep.nameLength = length; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.inputType, n); + swapl(&rep.physicalScreen, n); + swapl(&rep.physicalId, n); + swapl(&rep.nameLength, n); + } + WriteToClient(client, sizeof(xDMXGetInputAttributesReply), (char *)&rep); + if (length) WriteToClient(client, length, (char *)attr.name); + return client->noClientException; +} + +static int ProcDMXAddInput(ClientPtr client) +{ + REQUEST(xDMXAddInputReq); + xDMXAddInputReply rep; + int n; + int status = 0; + CARD32 *value_list; + DMXInputAttributesRec attr; + int count; + char *name; + int len; + int paddedLength; + int id = -1; + + REQUEST_AT_LEAST_SIZE(xDMXAddInputReq); + paddedLength = (stuff->displayNameLength + 3) & ~3; + len = client->req_len - (sizeof(xDMXAddInputReq) >> 2); + if (len != Ones(stuff->valueMask) + paddedLength/4) + return BadLength; + + memset(&attr, 0, sizeof(attr)); + value_list = (CARD32 *)(stuff + 1); + count = dmxFetchInputAttributes(stuff->valueMask, &attr, value_list); + + if (!(name = xalloc(stuff->displayNameLength + 1 + 4))) + return BadAlloc; + memcpy(name, &value_list[count], stuff->displayNameLength); + name[stuff->displayNameLength] = '\0'; + attr.name = name; + + status = dmxAddInput(&attr, &id); + + xfree(name); + + if (status) return status; + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.status = status; + rep.physicalId = id; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.status, n); + swapl(&rep.physicalId, n); + } + WriteToClient(client, sizeof(xDMXAddInputReply), (char *)&rep); + return client->noClientException; +} + +static int ProcDMXRemoveInput(ClientPtr client) +{ + REQUEST(xDMXRemoveInputReq); + xDMXRemoveInputReply rep; + int n; + int status = 0; + + REQUEST_SIZE_MATCH(xDMXRemoveInputReq); + + status = dmxRemoveInput(stuff->physicalId); + + if (status) return status; + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.status = status; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.status, n); + } + WriteToClient(client, sizeof(xDMXRemoveInputReply), (char *)&rep); + return client->noClientException; +} + +static int ProcDMXDispatch(ClientPtr client) +{ + REQUEST(xReq); + + switch (stuff->data) { + case X_DMXQueryVersion: return ProcDMXQueryVersion(client); + case X_DMXSync: return ProcDMXSync(client); + case X_DMXForceWindowCreation: return ProcDMXForceWindowCreation(client); + case X_DMXGetScreenCount: return ProcDMXGetScreenCount(client); + case X_DMXGetScreenAttributes: return ProcDMXGetScreenAttributes(client); + case X_DMXChangeScreensAttributes: + return ProcDMXChangeScreensAttributes(client); + case X_DMXAddScreen: return ProcDMXAddScreen(client); + case X_DMXRemoveScreen: return ProcDMXRemoveScreen(client); + case X_DMXGetWindowAttributes: return ProcDMXGetWindowAttributes(client); + case X_DMXGetDesktopAttributes: return ProcDMXGetDesktopAttributes(client); + case X_DMXChangeDesktopAttributes: + return ProcDMXChangeDesktopAttributes(client); + case X_DMXGetInputCount: return ProcDMXGetInputCount(client); + case X_DMXGetInputAttributes: return ProcDMXGetInputAttributes(client); + case X_DMXAddInput: return ProcDMXAddInput(client); + case X_DMXRemoveInput: return ProcDMXRemoveInput(client); + + case X_DMXGetScreenInformationDEPRECATED: + case X_DMXForceWindowCreationDEPRECATED: + case X_DMXReconfigureScreenDEPRECATED: + return BadImplementation; + + default: return BadRequest; + } +} + +static int SProcDMXQueryVersion(ClientPtr client) +{ + int n; + REQUEST(xDMXQueryVersionReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDMXQueryVersionReq); + return ProcDMXQueryVersion(client); +} + +static int SProcDMXSync(ClientPtr client) +{ + int n; + REQUEST(xDMXSyncReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDMXSyncReq); + return ProcDMXSync(client); +} + +static int SProcDMXForceWindowCreation(ClientPtr client) +{ + int n; + REQUEST(xDMXForceWindowCreationReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDMXForceWindowCreationReq); + swaps(&stuff->window, n); + return ProcDMXForceWindowCreation(client); +} + +static int SProcDMXGetScreenCount(ClientPtr client) +{ + int n; + REQUEST(xDMXGetScreenCountReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDMXGetScreenCountReq); + return ProcDMXGetScreenCount(client); +} + +static int SProcDMXGetScreenAttributes(ClientPtr client) +{ + int n; + REQUEST(xDMXGetScreenAttributesReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDMXGetScreenAttributesReq); + swapl(&stuff->physicalScreen, n); + return ProcDMXGetScreenAttributes(client); +} + +static int SProcDMXChangeScreensAttributes(ClientPtr client) +{ + int n; + REQUEST(xDMXChangeScreensAttributesReq); + + swaps(&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xDMXGetScreenAttributesReq); + swapl(&stuff->screenCount, n); + swapl(&stuff->maskCount, n); + SwapRestL(stuff); + return ProcDMXGetScreenAttributes(client); +} + +static int SProcDMXAddScreen(ClientPtr client) +{ + int n; + int paddedLength; + REQUEST(xDMXAddScreenReq); + + swaps(&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xDMXAddScreenReq); + swapl(&stuff->displayNameLength, n); + swapl(&stuff->valueMask, n); + paddedLength = (stuff->displayNameLength + 3) & ~3; + SwapLongs((CARD32 *)(stuff+1), LengthRestL(stuff) - paddedLength/4); + return ProcDMXAddScreen(client); +} + +static int SProcDMXRemoveScreen(ClientPtr client) +{ + int n; + REQUEST(xDMXRemoveScreenReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDMXRemoveScreenReq); + swapl(&stuff->physicalScreen, n); + return ProcDMXRemoveScreen(client); +} + +static int SProcDMXGetWindowAttributes(ClientPtr client) +{ + int n; + REQUEST(xDMXGetWindowAttributesReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDMXGetWindowAttributesReq); + swapl(&stuff->window, n); + return ProcDMXGetWindowAttributes(client); +} + +static int SProcDMXGetDesktopAttributes(ClientPtr client) +{ + int n; + REQUEST(xDMXGetDesktopAttributesReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDMXGetDesktopAttributesReq); + return ProcDMXGetDesktopAttributes(client); +} + +static int SProcDMXChangeDesktopAttributes(ClientPtr client) +{ + int n; + REQUEST(xDMXChangeDesktopAttributesReq); + + swaps(&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xDMXChangeDesktopAttributesReq); + swapl(&stuff->valueMask, n); + SwapRestL(stuff); + return ProcDMXChangeDesktopAttributes(client); +} + +static int SProcDMXGetInputCount(ClientPtr client) +{ + int n; + REQUEST(xDMXGetInputCountReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDMXGetInputCountReq); + return ProcDMXGetInputCount(client); +} + +static int SProcDMXGetInputAttributes(ClientPtr client) +{ + int n; + REQUEST(xDMXGetInputAttributesReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDMXGetInputAttributesReq); + swapl(&stuff->deviceId, n); + return ProcDMXGetInputAttributes(client); +} + +static int SProcDMXAddInput(ClientPtr client) +{ + int n; + int paddedLength; + REQUEST(xDMXAddInputReq); + + swaps(&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xDMXAddInputReq); + swapl(&stuff->displayNameLength, n); + swapl(&stuff->valueMask, n); + paddedLength = (stuff->displayNameLength + 3) & ~3; + SwapLongs((CARD32 *)(stuff+1), LengthRestL(stuff) - paddedLength/4); + return ProcDMXAddInput(client); +} + +static int SProcDMXRemoveInput(ClientPtr client) +{ + int n; + REQUEST(xDMXRemoveInputReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDMXRemoveInputReq); + swapl(&stuff->physicalId, n); + return ProcDMXRemoveInput(client); +} + +static int SProcDMXDispatch (ClientPtr client) +{ + REQUEST(xReq); + + switch (stuff->data) { + case X_DMXQueryVersion: return SProcDMXQueryVersion(client); + case X_DMXSync: return SProcDMXSync(client); + case X_DMXForceWindowCreation: return SProcDMXForceWindowCreation(client); + case X_DMXGetScreenCount: return SProcDMXGetScreenCount(client); + case X_DMXGetScreenAttributes: return SProcDMXGetScreenAttributes(client); + case X_DMXChangeScreensAttributes: + return SProcDMXChangeScreensAttributes(client); + case X_DMXAddScreen: return SProcDMXAddScreen(client); + case X_DMXRemoveScreen: return SProcDMXRemoveScreen(client); + case X_DMXGetWindowAttributes: return SProcDMXGetWindowAttributes(client); + case X_DMXGetDesktopAttributes: + return SProcDMXGetDesktopAttributes(client); + case X_DMXChangeDesktopAttributes: + return SProcDMXChangeDesktopAttributes(client); + case X_DMXGetInputCount: return SProcDMXGetInputCount(client); + case X_DMXGetInputAttributes: return SProcDMXGetInputAttributes(client); + case X_DMXAddInput: return SProcDMXAddInput(client); + case X_DMXRemoveInput: return SProcDMXRemoveInput(client); + + case X_DMXGetScreenInformationDEPRECATED: + case X_DMXForceWindowCreationDEPRECATED: + case X_DMXReconfigureScreenDEPRECATED: + return BadImplementation; + + default: return BadRequest; + } +} |