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Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/Args.c')
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Args.c2357
1 files changed, 2357 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Args.c b/nx-X11/programs/Xserver/hw/nxagent/Args.c
new file mode 100644
index 000000000..07526de56
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/nxagent/Args.c
@@ -0,0 +1,2357 @@
+/**************************************************************************/
+/* */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/. */
+/* */
+/* NXAGENT, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present */
+/* software is allowed according to terms specified in the file LICENSE */
+/* which comes in the source distribution. */
+/* */
+/* Check http://www.nomachine.com/licensing.html for applicability. */
+/* */
+/* NX and NoMachine are trademarks of NoMachine S.r.l. */
+/* */
+/* All rights reserved. */
+/* */
+/**************************************************************************/
+
+/*
+
+Copyright 1993 by Davor Matic
+
+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. Davor Matic makes no representations about
+the suitability of this software for any purpose. It is provided "as
+is" without express or implied warranty.
+
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#ifdef __sun
+#include <strings.h>
+#endif
+
+#include "X.h"
+#include "Xproto.h"
+#include "screenint.h"
+#include "input.h"
+#include "misc.h"
+#include "scrnintstr.h"
+#include "dixstruct.h"
+#include "servermd.h"
+#include "opaque.h"
+
+#include "Agent.h"
+#include "Display.h"
+#include "Args.h"
+#include "Options.h"
+#include "Binder.h"
+#include "Trap.h"
+#include "Screen.h"
+#include "Image.h"
+#ifdef RENDER
+#include "Render.h"
+#endif
+#include "Handlers.h"
+#include "Error.h"
+
+/*
+ * NX includes and definitions.
+ */
+
+#include "NXlib.h"
+#include "NXpack.h"
+
+/*
+ * Set here the required log level.
+ */
+
+#define PANIC
+#define WARNING
+#undef TEST
+#undef DEBUG
+#undef WATCH
+
+#ifdef WATCH
+
+#include "unistd.h"
+
+#endif
+
+/*
+ * Define this to force the dispatcher
+ * to always use the dumb scheduler.
+ */
+
+#undef DISABLE_SMART_SCHEDULE
+
+int nxagentUserDefinedFontPath = 0;
+
+/*
+ * From X11/ImUtil.c.
+ */
+
+extern int _XGetBitsPerPixel(Display *dpy, int depth);
+
+extern char dispatchExceptionAtReset;
+
+char nxagentDisplayName[1024];
+
+char nxagentShadowDisplayName[1024] = {0};
+
+char nxagentWindowName[256];
+char nxagentDialogName[256];
+char nxagentSessionId[256] = {0};
+char *nxagentOptionFile;
+
+Bool nxagentFullGeneration = False;
+int nxagentDefaultClass = TrueColor;
+Bool nxagentUserDefaultClass = False;
+int nxagentDefaultDepth;
+Bool nxagentUserDefaultDepth = False;
+struct UserGeometry nxagentUserGeometry = {0, 0, 0, 0, 0};
+Bool nxagentUserBorderWidth = False;
+int nxagentNumScreens = 0;
+Bool nxagentDoDirectColormaps = False;
+Window nxagentParentWindow = 0;
+Bool nxagentIpaq = False;
+
+int nxagentLockDeferLevel = 0;
+
+Bool nxagentResizeDesktopAtStartup = False;
+
+Bool nxagentUseNXTrans = False;
+Bool nxagentForceNXTrans = False;
+
+int nxagentMaxAllowedResets = 0;
+
+char *nxagentKeyboard = NULL;
+
+Bool nxagentOnce = True;
+
+static void nxagentParseOptionString(char*);
+
+/*
+ * Get the caption to be used for helper dialogs
+ * from agent's window name passed as parameter.
+ */
+
+static int nxagentGetDialogName(void);
+
+char nxagentVerbose = 0;
+
+int ddxProcessArgument(int argc, char *argv[], int i)
+{
+ /*
+ * Ensure that the options are set to their defaults.
+ */
+
+ static Bool resetOptions = True;
+
+ if (resetOptions == True)
+ {
+ char *envOptions = NULL;
+ char *envDisplay = NULL;
+ int j;
+
+ nxagentInitOptions();
+
+ resetOptions = False;
+
+ /*
+ * Ensure the correct order of options evaluation:
+ * the environment first, then those included in
+ * the options file and, last, the command line
+ * options.
+ */
+
+ envDisplay = getenv("DISPLAY");
+
+ if (envDisplay != NULL && strlen(envDisplay) == 0)
+ {
+ envDisplay = NULL;
+ }
+
+ for (j = 0; j < argc; j++)
+ {
+ if ((!strcmp(argv[j], "-display")) && (j + 1 < argc))
+ {
+ envOptions = malloc(strlen(argv[j + 1]) + 1);
+
+ if (envOptions != NULL)
+ {
+ envOptions = strcpy(envOptions, argv[j + 1]);
+ }
+ #ifdef WARNING
+ else
+ {
+ fprintf(stderr, "ddxProcessArgument: WARNING! failed string allocation.\n");
+ }
+ #endif
+
+ break;
+ }
+ }
+
+ if ((envOptions == NULL) && (envDisplay != NULL))
+ {
+ envOptions = malloc(strlen(envDisplay) + 1);
+
+ if (envOptions != NULL)
+ {
+ envOptions = strcpy(envOptions, envDisplay);
+ }
+ #ifdef WARNING
+ else
+ {
+ fprintf(stderr, "ddxProcessArgument: WARNING! failed string allocation.\n");
+ }
+ #endif
+ }
+
+ if (envOptions != NULL)
+ {
+ nxagentParseOptionString(envOptions);
+
+ free(envOptions);
+ }
+
+ for (j = 0; j < argc; j++)
+ {
+ if ((!strcmp(argv[j], "-options") || !strcmp(argv[j], "-option")) && j + 1 < argc)
+ {
+ if (nxagentOptionFile)
+ {
+ nxagentOptionFile = (char *) realloc(nxagentOptionFile, strlen(argv[j + 1]) + 1);
+ }
+ else
+ {
+ nxagentOptionFile = (char *) malloc(strlen(argv[j + 1]) +1);
+ }
+
+ if (nxagentOptionFile != NULL)
+ {
+ nxagentOptionFile = strcpy(nxagentOptionFile, argv[j + 1]);
+ }
+ #ifdef WARNING
+ else
+ {
+ fprintf(stderr, "ddxProcessArgument: WARNING! failed string allocation.\n");
+ }
+ #endif
+
+ break;
+ }
+ }
+
+ if (nxagentOptionFile)
+ {
+ nxagentProcessOptionsFile();
+ }
+ }
+
+ if (!strcmp(argv[i], "-B"))
+ {
+ #ifdef TEST
+ fprintf(stderr, "ddxProcessArgument: Checking the NX binder option.\n");
+ #endif
+
+ if (nxagentCheckBinder(argc, argv, i) > 0)
+ {
+ /*
+ * We are going to run the agent with the
+ * 'binder' option. Go straight to the
+ * proxy loop.
+ */
+
+ #ifdef TEST
+ fprintf(stderr, "ddxProcessArgument: Entering the NX proxy binder loop.\n");
+ #endif
+
+ nxagentBinderLoop();
+
+ /*
+ * This will make an exit.
+ */
+
+ nxagentBinderExit(0);
+ }
+ else
+ {
+ /*
+ * Exit with an error.
+ */
+
+ nxagentBinderExit(1);
+ }
+ }
+
+ if (!strcmp(argv[i], "-display"))
+ {
+ if (++i < argc)
+ {
+ strncpy(nxagentDisplayName, argv[i], 1023);
+
+ nxagentDisplayName[1023] = '\0';
+
+ return 2;
+ }
+
+ return 0;
+ }
+
+ if (!strcmp(argv[i], "-id"))
+ {
+ if (++i < argc)
+ {
+ strncpy(nxagentSessionId, argv[i], 255);
+
+ *(nxagentSessionId + 255) = '\0';
+
+ return 2;
+ }
+
+ return 0;
+ }
+
+ /*
+ * This had to be '-options' since the beginning
+ * but was '-option' by mistake. Now we have to
+ * handle the backward compatibility.
+ */
+
+ if (!strcmp(argv[i], "-options") || !strcmp(argv[i], "-option"))
+ {
+ if (++i < argc)
+ {
+ int size;
+
+ if (nxagentOptionFile != NULL)
+ {
+ xfree(nxagentOptionFile);
+
+ nxagentOptionFile = NULL;
+ }
+
+ if ((size = strlen(argv[i])) < 1024)
+ {
+ if ((nxagentOptionFile = xalloc(size + 1)) == NULL)
+ {
+ FatalError("malloc failed");
+ }
+
+ strncpy(nxagentOptionFile, argv[i], size);
+
+ nxagentOptionFile[size] = '\0';
+ }
+ else
+ {
+ /*
+ * It is useless to store the file name
+ * that has just been truncated.
+ */
+
+ #ifdef WARNING
+ fprintf(stderr, "ddxProcessArgument: WARNING! Option file name "
+ "too long. It will be ignored.\n");
+ #endif
+ }
+
+ return 2;
+ }
+
+ return 0;
+ }
+
+ if (!strcmp(argv[i], "-full")) {
+ nxagentFullGeneration = True;
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-class")) {
+ if (++i < argc) {
+ if (!strcmp(argv[i], "StaticGray")) {
+ nxagentDefaultClass = StaticGray;
+ nxagentUserDefaultClass = True;
+ return 2;
+ }
+ else if (!strcmp(argv[i], "GrayScale")) {
+ nxagentDefaultClass = GrayScale;
+ nxagentUserDefaultClass = True;
+ return 2;
+ }
+ else if (!strcmp(argv[i], "StaticColor")) {
+ nxagentDefaultClass = StaticColor;
+ nxagentUserDefaultClass = True;
+ return 2;
+ }
+ else if (!strcmp(argv[i], "PseudoColor")) {
+ nxagentDefaultClass = PseudoColor;
+ nxagentUserDefaultClass = True;
+ return 2;
+ }
+ else if (!strcmp(argv[i], "TrueColor")) {
+ nxagentDefaultClass = TrueColor;
+ nxagentUserDefaultClass = True;
+ return 2;
+ }
+ else if (!strcmp(argv[i], "DirectColor")) {
+ nxagentDefaultClass = DirectColor;
+ nxagentUserDefaultClass = True;
+ return 2;
+ }
+ }
+ return 0;
+ }
+
+ if (!strcmp(argv[i], "-cc")) {
+ if (++i < argc && sscanf(argv[i], "%i", &nxagentDefaultClass) == 1) {
+ if (nxagentDefaultClass >= 0 && nxagentDefaultClass <= 5) {
+ nxagentUserDefaultClass = True;
+ /* lex the OS layer process it as well, so return 0 */
+ }
+ }
+ return 0;
+ }
+
+ if (!strcmp(argv[i], "-depth")) {
+ if (++i < argc && sscanf(argv[i], "%i", &nxagentDefaultDepth) == 1) {
+ if (nxagentDefaultDepth > 0) {
+ nxagentUserDefaultDepth = True;
+ return 2;
+ }
+ }
+ return 0;
+ }
+
+ /*
+ * These options are now useless and are
+ * parsed only for compatibility with
+ * older versions.
+ */
+
+ if (!strcmp(argv[i], "-fast") ||
+ !strcmp(argv[i], "-slow") ||
+ !strcmp(argv[i], "-hint") ||
+ !strcmp(argv[i], "-sss"))
+ {
+ fprintf(stderr, "Warning: Ignoring deprecated command line option '%s'.\n",
+ argv[i]);
+
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-backingstore"))
+ {
+ if (++i < argc)
+ {
+ if (!strcmp(argv[i], "0"))
+ {
+ nxagentChangeOption(BackingStore, BackingStoreNever);
+ }
+ else
+ {
+ nxagentChangeOption(BackingStore, BackingStoreForce);
+ }
+
+ return 2;
+ }
+
+ return 0;
+ }
+
+ if (!strcmp(argv[i], "-streaming"))
+ {
+ if (++i < argc)
+ {
+ if (!strcmp(argv[i], "0"))
+ {
+ nxagentChangeOption(Streaming, 0);
+ }
+ else
+ {
+ nxagentChangeOption(Streaming, 1);
+ }
+
+ return 2;
+ }
+
+ return 0;
+ }
+
+ if (!strcmp(argv[i], "-defer"))
+ {
+ int level;
+
+ if (++i < argc &&
+ sscanf(argv[i], "%i", &level) == 1 &&
+ level >= 0 && level <= 2)
+ {
+ if (nxagentOption(Shadow) == 0)
+ {
+ nxagentChangeOption(DeferLevel, level);
+
+ /*
+ * The defer level set with the command
+ * line is not changed when the session
+ * is resumed.
+ */
+
+ nxagentLockDeferLevel = 1;
+ }
+
+ return 2;
+ }
+
+ return 0;
+ }
+
+ if (!strcmp(argv[i], "-tile"))
+ {
+ int width;
+ int height;
+
+ if (++i < argc &&
+ sscanf(argv[i], "%ix%i", &width, &height) == 2 &&
+ width >= 32 && height >= 32)
+ {
+ nxagentChangeOption(TileWidth, width);
+ nxagentChangeOption(TileHeight, height);
+
+ return 2;
+ }
+
+ return 0;
+ }
+
+ if (strcmp(argv[i], "-fp") == 0)
+ {
+ if(++i < argc)
+ {
+
+ #ifdef sgi
+
+ userdefinedfontpath = 1;
+
+ #endif
+
+ #ifdef TEST
+ fprintf(stderr, "ddxProcessArgument: User defined font path [%s].\n", argv[i]);
+ #endif
+
+ nxagentUserDefinedFontPath = 1;
+
+ defaultFontPath = argv[i];
+ }
+ else
+ {
+ UseMsg();
+ }
+ }
+
+ if (!strcmp(argv[i], "-geometry"))
+ {
+ if (++i < argc)
+ {
+ if (!strcmp(argv[i],"fullscreen"))
+ {
+ nxagentChangeOption(Fullscreen, True);
+ }
+ else if (!strcmp(argv[i],"ipaq"))
+ {
+ nxagentChangeOption(Fullscreen, True);
+
+ nxagentIpaq = True;
+ }
+ else
+ {
+ if (nxagentUserGeometry.flag == 0)
+ {
+ nxagentUserGeometry.flag = XParseGeometry(argv[i],
+ &nxagentUserGeometry.X,
+ &nxagentUserGeometry.Y,
+ &nxagentUserGeometry.Width,
+ &nxagentUserGeometry.Height);
+ }
+ }
+
+ if (nxagentUserGeometry.flag || (nxagentOption(Fullscreen) == 1)) return 2;
+ }
+
+ return 0;
+ }
+
+ if (!strcmp(argv[i], "-bw"))
+ {
+ int BorderWidth;
+
+ if (++i < argc && sscanf(argv[i], "%i", &BorderWidth) == 1)
+ {
+ nxagentChangeOption(BorderWidth, BorderWidth);
+
+ if (nxagentOption(BorderWidth) >= 0)
+ {
+ nxagentUserBorderWidth = True;
+
+ return 2;
+ }
+ }
+
+ return 0;
+ }
+
+ if (!strcmp(argv[i], "-name"))
+ {
+ if (++i < argc)
+ {
+ strncpy(nxagentWindowName, argv[i], 255);
+
+ *(nxagentWindowName + 255) = '\0';
+
+ return 2;
+ }
+
+ return 0;
+ }
+
+ if (!strcmp(argv[i], "-scrns")) {
+ if (++i < argc && sscanf(argv[i], "%i", &nxagentNumScreens) == 1) {
+ if (nxagentNumScreens > 0) {
+ if (nxagentNumScreens > MAXSCREENS) {
+ ErrorF("Maximum number of screens is %d.\n", MAXSCREENS);
+ nxagentNumScreens = MAXSCREENS;
+ }
+ return 2;
+ }
+ }
+ return 0;
+ }
+
+ if (!strcmp(argv[i], "-install")) {
+ nxagentDoDirectColormaps = True;
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-parent")) {
+ if (++i < argc) {
+ nxagentParentWindow = (XID) strtol (argv[i], (char**)NULL, 0);
+ return 2;
+ }
+ }
+
+ if (!strcmp(argv[i], "-forcenx")) {
+ nxagentForceNXTrans = True;
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-noonce"))
+ {
+ nxagentOnce = False;
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-kbtype") ||
+ !strcmp(argv[i], "-keyboard"))
+ {
+ if (++i < argc)
+ {
+ int size;
+
+ if (nxagentKeyboard != NULL)
+ {
+ xfree(nxagentKeyboard);
+
+ nxagentKeyboard = NULL;
+ }
+
+ if ((size = strlen(argv[i])) < 256)
+ {
+ if ((nxagentKeyboard = xalloc(size + 1)) == NULL)
+ {
+ FatalError("malloc failed");
+ }
+
+ strncpy(nxagentKeyboard, argv[i], size);
+
+ nxagentKeyboard[size] = '\0';
+ }
+ #ifdef WARNING
+ else
+ {
+ /*
+ * it is useless to remember a kbtype
+ * option that has just been truncated.
+ */
+
+ fprintf(stderr, "ddxProcessArgument: WARNING! Option [%s] too long. "
+ "It will be ignored.\n", argv[i]);
+ }
+ #endif
+
+ return 2;
+ }
+
+ return 0;
+ }
+
+ if (!strcmp(argv[i], "-extensions"))
+ {
+ return 1;
+ }
+
+ #ifdef RENDER
+ if (!strcmp(argv[i], "-norender"))
+ {
+ nxagentRenderEnable = False;
+
+ return 1;
+ }
+ #endif
+
+ if (!strcmp(argv[i], "-nocomposite"))
+ {
+ nxagentChangeOption(Composite, 0);
+
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-nodamage"))
+ {
+ nxagentChangeOption(UseDamage, 0);
+
+ return 1;
+ }
+
+ /*
+ * The original -noreset option, disabling
+ * dispatchExceptionAtReset, is the default.
+ * Use this option to restore the original
+ * behaviour.
+ */
+
+ if (!strcmp(argv[i], "-reset"))
+ {
+ nxagentChangeOption(Reset, True);
+
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-persistent"))
+ {
+ nxagentChangeOption(Persistent, True);
+
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-nopersistent"))
+ {
+ nxagentChangeOption(Persistent, False);
+
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-noshmem"))
+ {
+ nxagentChangeOption(SharedMemory, False);
+
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-shmem"))
+ {
+ nxagentChangeOption(SharedMemory, True);
+
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-noignore"))
+ {
+ nxagentChangeOption(DeviceControl, True);
+
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-nokbreset"))
+ {
+ nxagentChangeOption(ResetKeyboardAtResume, False);
+
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-noxkblock"))
+ {
+ nxagentChangeOption(InhibitXkb, 0);
+
+ return 1;
+ }
+
+ /*
+ * Enable pseudo-rootless mode.
+ */
+
+ if (!strcmp(argv[i], "-R"))
+ {
+ if (nxagentOption(Binder) == UNDEFINED ||
+ nxagentOption(Desktop) == UNDEFINED ||
+ nxagentOption(Rootless) == UNDEFINED)
+ {
+ nxagentChangeOption(Binder, False);
+ nxagentChangeOption(Desktop, False);
+ nxagentChangeOption(Rootless, True);
+ }
+ return 1;
+ }
+
+ /*
+ * Enable the "desktop" mode. This is
+ * the default.
+ */
+
+ if (!strcmp(argv[i], "-D"))
+ {
+ nxagentChangeOption(Binder, False);
+ nxagentChangeOption(Rootless, False);
+ nxagentChangeOption(Desktop, True);
+
+ return 1;
+ }
+
+ /*
+ * Enable the "shadow" mode.
+ */
+
+ if (!strcmp(argv[i], "-S"))
+ {
+ nxagentChangeOption(Shadow, 1);
+ nxagentChangeOption(DeferLevel, 0);
+ nxagentChangeOption(Persistent, 0);
+
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-shadow"))
+ {
+ if (++i < argc)
+ {
+ strncpy(nxagentShadowDisplayName, argv[i], 1023);
+
+ if (strcmp(nxagentShadowDisplayName, "") == 0)
+ {
+ FatalError("Invalid shadow display option");
+ }
+
+ *(nxagentShadowDisplayName + 1023) = '\0';
+
+ return 2;
+ }
+
+ return 0;
+ }
+
+
+ if (!strcmp(argv[i], "-shadowmode"))
+ {
+ if (++i < argc)
+ {
+ if (!strcmp(argv[i], "0"))
+ {
+ nxagentChangeOption(ViewOnly, 1);
+ }
+ else
+ {
+ nxagentChangeOption(ViewOnly, 0);
+ }
+
+ return 2;
+ }
+
+ return 0;
+ }
+
+ /*
+ * Enable the auto-disconnect timeout.
+ */
+
+ if (!strcmp(argv[i], "-timeout"))
+ {
+ int seconds;
+
+ if (++i < argc && sscanf(argv[i], "%i", &seconds) == 1)
+ {
+ if (seconds >= 0)
+ {
+ if (seconds > 0 && seconds < 60)
+ {
+ seconds = 60;
+ }
+
+ nxagentChangeOption(Timeout, seconds);
+
+ return 2;
+ }
+ }
+
+ return 0;
+ }
+
+ /*
+ * The return value for -query, -broadcast and
+ * -indirect must be 0 to let the dix layer pro-
+ * cess these options.
+ */
+
+ if (!strcmp(argv[i], "-query"))
+
+ {
+ nxagentChangeOption(Desktop, True);
+ nxagentChangeOption(Xdmcp, True);
+
+ nxagentMaxAllowedResets = 0;
+
+ return 0;
+ }
+
+ if (!strcmp(argv[i], "-broadcast"))
+
+ {
+ nxagentChangeOption(Desktop, True);
+ nxagentChangeOption(Xdmcp, True);
+
+ nxagentMaxAllowedResets = 0;
+
+ return 0;
+ }
+
+ if (!strcmp(argv[i], "-indirect"))
+ {
+ nxagentChangeOption(Desktop, True);
+ nxagentChangeOption(Xdmcp, True);
+
+ nxagentMaxAllowedResets = 1;
+
+ return 0;
+ }
+
+ if (!strcmp(argv[i], "-noshpix"))
+ {
+ nxagentChangeOption(SharedPixmaps, False);
+
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-shpix"))
+ {
+ nxagentChangeOption(SharedPixmaps, True);
+
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-clipboard"))
+ {
+ if (!strcmp(argv[i+1], "both"))
+ {
+ nxagentChangeOption(Clipboard, ClipboardBoth);
+ }
+ else if (!strcmp(argv[i+1], "client"))
+ {
+ nxagentChangeOption(Clipboard, ClipboardClient);
+ }
+ else if (!strcmp(argv[i+1], "server"))
+ {
+ nxagentChangeOption(Clipboard, ClipboardServer);
+ }
+ else if (!strcmp(argv[i+1], "none"))
+ {
+ nxagentChangeOption(Clipboard, ClipboardNone);
+ }
+ else
+ {
+ nxagentChangeOption(Clipboard, ClipboardBoth);
+ }
+
+ return 2;
+ }
+
+ if (!strcmp(argv[i], "-bs"))
+ {
+ nxagentChangeOption(BackingStore, BackingStoreNever);
+ return 1;
+ }
+
+ if (!strcmp(argv[i], "-verbose"))
+ {
+ nxagentVerbose = 1;
+
+ return 1;
+ }
+
+ return 0;
+}
+
+static void nxagentParseOptions(char *name, char *value)
+{
+ int size, argc;
+
+ char *argv[2] = { NULL, NULL };
+
+ #ifdef TEST
+ fprintf(stderr, "nxagentParseOptions: Processing option '%s' = '%s'.\n",
+ validateString(name), validateString(value));
+ #endif
+
+ if (!strcmp(name, "kbtype") ||
+ !strcmp(name, "keyboard") ||
+ !strcmp(name, "id") ||
+ !strcmp(name, "display") ||
+ !strcmp(name, "clipboard") ||
+ !strcmp(name, "geometry") ||
+ !strcmp(name, "option") ||
+ !strcmp(name, "options") ||
+ !strcmp(name, "shadow") ||
+ !strcmp(name, "shadowmode") ||
+ !strcmp(name, "streaming") ||
+ !strcmp(name, "defer") ||
+ !strcmp(name, "tile"))
+ {
+ argv[1] = value;
+
+ argc = 2;
+ }
+ else if (!strcmp(name, "R") && !strcmp(value, "1"))
+ {
+ argc = 1;
+ }
+ else if (!strcmp(name, "fast") || !strcmp(name, "slow"))
+ {
+ fprintf(stderr, "Warning: Ignoring deprecated option '%s'.\n", name);
+
+ return;
+ }
+ else if (!strcmp(name, "render"))
+ {
+ if (nxagentReconnectTrap == True)
+ {
+ #ifdef DEBUG
+ fprintf(stderr, "nxagentParseOptions: Ignoring option 'render' at reconnection.\n");
+ #endif
+ }
+ else if (nxagentRenderEnable == UNDEFINED)
+ {
+ if (!strcmp(value, "1"))
+ {
+ nxagentRenderEnable = True;
+ }
+ else if (!strcmp(value, "0"))
+ {
+ nxagentRenderEnable = False;
+ }
+ else
+ {
+ fprintf(stderr, "Warning: Ignoring bad value '%s' for option 'render'.\n",
+ validateString(value));
+ }
+ }
+
+ return;
+ }
+ else if (!strcmp(name, "fullscreen"))
+ {
+ if (nxagentReconnectTrap == True)
+ {
+ #ifdef DEBUG
+ fprintf(stderr, "nxagentParseOptions: Ignoring option 'fullscreen' at reconnection.\n");
+ #endif
+ }
+ else if (!strcmp(value, "1"))
+ {
+ nxagentChangeOption(Fullscreen, True);
+ }
+ else if (!strcmp(value, "0"))
+ {
+ nxagentChangeOption(Fullscreen, False);
+ }
+ else
+ {
+ fprintf(stderr, "Warning: Ignoring bad value '%s' for option 'fullscreen'.\n",
+ validateString(value));
+ }
+
+ return;
+ }
+ else if (!strcmp(name, "shpix"))
+ {
+ if (!strcmp(value, "1"))
+ {
+ nxagentChangeOption(SharedPixmaps, True);
+ }
+ else if (!strcmp(value, "0"))
+ {
+ nxagentChangeOption(SharedPixmaps, False);
+ }
+ else
+ {
+ fprintf(stderr, "Warning: Ignoring bad value '%s' for option 'shpix'.\n",
+ validateString(value));
+ }
+
+ return;
+ }
+ else if (!strcmp(name, "shmem"))
+ {
+ if (!strcmp(value, "1"))
+ {
+ nxagentChangeOption(SharedMemory, True);
+ }
+ else if (!strcmp(value, "0"))
+ {
+ nxagentChangeOption(SharedMemory, False);
+ }
+ else
+ {
+ fprintf(stderr, "Warning: Ignoring bad value '%s' for option 'shmem'.\n",
+ validateString(value));
+ }
+
+ return;
+ }
+ else if (!strcmp(name, "composite"))
+ {
+ if (!strcmp(value, "1"))
+ {
+ nxagentChangeOption(Composite, 1);
+ }
+ else if (!strcmp(value, "0"))
+ {
+ nxagentChangeOption(Composite, 0);
+ }
+ else
+ {
+ fprintf(stderr, "Warning: Ignoring bad value '%s' for option 'composite'.\n",
+ validateString(value));
+ }
+
+ return;
+ }
+ else if (!strcmp(name, "resize"))
+ {
+ if (!strcmp(value, "1"))
+ {
+ nxagentResizeDesktopAtStartup = True;
+ }
+ else if (!strcmp(value, "0"))
+ {
+ nxagentResizeDesktopAtStartup = False;
+ }
+ else
+ {
+ fprintf(stderr, "Warning: Ignoring bad value '%s' for option 'resize'.\n",
+ validateString(value));
+ }
+
+ return;
+ }
+ else if (!strcmp(name, "backingstore"))
+ {
+ if (!strcmp(value, "0"))
+ {
+ nxagentChangeOption(BackingStore, BackingStoreNever);
+ }
+ else
+ {
+ nxagentChangeOption(BackingStore, BackingStoreForce);
+ }
+
+ return;
+ }
+ else if (!strcmp(name, "menu"))
+ {
+ if (!strcmp(value, "0"))
+ {
+ nxagentChangeOption(Menu, 0);
+ }
+ else
+ {
+ nxagentChangeOption(Menu, 1);
+ }
+
+ return;
+ }
+ else if (strcmp(name, "shadowuid") == 0)
+ {
+ nxagentShadowUid = atoi(value);
+
+ return;
+ }
+ else if (strcmp(name, "clients") == 0)
+ {
+ strcpy(nxagentClientsLogName, value);
+
+ return;
+ }
+ else if (strcmp(name, "client") == 0)
+ {
+ if (strcmp(value, "winnt") == 0 || strcmp(value, "windows") == 0)
+ {
+ nxagentChangeOption(ClientOs, ClientOsWinnt);
+ }
+ else if (strcmp(value, "linux") == 0)
+ {
+ nxagentChangeOption(ClientOs, ClientOsLinux);
+ }
+ else if (strcmp(value, "solaris") == 0)
+ {
+ nxagentChangeOption(ClientOs, ClientOsSolaris);
+ }
+ else if (strcmp(value, "mac") == 0)
+ {
+ nxagentChangeOption(ClientOs, ClientOsMac);
+ }
+
+ return;
+ }
+ else
+ {
+ #ifdef DEBUG
+ fprintf(stderr, "nxagentParseOptions: Ignored option [%s] with value [%s].\n",
+ validateString(name), validateString(value));
+ #endif
+
+ return;
+ }
+
+ /*
+ * Before passing the not yet evaluated options
+ * to ddxProcessArgument(), we have to add a dash
+ * as prefix.
+ */
+
+ if ((size = strlen(name) + 1) > 1)
+ {
+ if ((argv[0] = malloc(size + 1)) == NULL)
+ {
+ fprintf(stderr, "Warning: Ignoring option '%s' due to lack of memory.\n",
+ name);
+
+ return;
+ }
+
+ *argv[0] = '-';
+
+ memcpy(argv[0] + 1, name, size);
+ }
+
+ ddxProcessArgument(argc, argv, 0);
+
+ free(argv[0]);
+}
+
+static void nxagentParseOptionString(char *string)
+{
+ char *value = NULL;
+ char *option = NULL;
+ char *delimiter = NULL;
+
+ /*
+ * Remove the port specification.
+ */
+
+ delimiter = rindex(string, ':');
+
+ if (delimiter)
+ {
+ *delimiter = 0;
+ }
+ else
+ {
+ fprintf(stderr, "Warning: Option file doesn't contain a port specification.\n");
+ }
+
+ while ((option = strtok(option ? NULL : string, ",")))
+ {
+ delimiter = rindex(option, '=');
+
+ if (delimiter)
+ {
+ *delimiter = 0;
+ value = delimiter + 1;
+ }
+ else
+ {
+ value = NULL;
+ }
+
+ nxagentParseOptions(option, value);
+ }
+}
+
+void nxagentProcessOptionsFile()
+{
+ FILE *file;
+ char *data;
+
+ int offset;
+ int size;
+
+ int sizeOfFile;
+ int maxFileSize = 1024;
+
+ #ifdef DEBUG
+ fprintf(stderr, "nxagentProcessOptionsFile: Going to process option the file [%s].\n",
+ validateString(nxagentOptionFile));
+ #endif
+
+ if (nxagentOptionFile == NULL)
+ {
+ return;
+ }
+
+ if ((file = fopen(nxagentOptionFile, "r")) == NULL)
+ {
+ fprintf(stderr, "Warning: Couldn't open option file '%s'. Error is '%s'.\n",
+ validateString(nxagentOptionFile), strerror(errno));
+
+ goto nxagentProcessOptionsFileExit;
+ }
+
+ if (fseek(file, 0, SEEK_END) != 0)
+ {
+ fprintf(stderr, "Warning: Couldn't position inside option file '%s'. Error is '%s'.\n",
+ validateString(nxagentOptionFile), strerror(errno));
+
+ goto nxagentProcessOptionsFileClose;
+ }
+
+ if ((sizeOfFile = ftell(file)) == -1)
+ {
+ fprintf(stderr, "Warning: Couldn't get the size of option file '%s'. Error is '%s'.\n",
+ validateString(nxagentOptionFile), strerror(errno));
+
+ goto nxagentProcessOptionsFileClose;
+ }
+
+ #ifdef DEBUG
+ fprintf(stderr, "nxagentProcessOptionsFile: Processing option file [%s].\n",
+ validateString(nxagentOptionFile));
+ #endif
+
+ rewind(file);
+
+ if (sizeOfFile > maxFileSize)
+ {
+ fprintf(stderr, "Warning: Maximum file size exceeded for options '%s'.\n",
+ validateString(nxagentOptionFile));
+
+ goto nxagentProcessOptionsFileClose;
+ }
+
+ if ((data = xalloc(sizeOfFile + 1)) == NULL)
+ {
+ fprintf(stderr, "Warning: Memory allocation failed processing file '%s'.\n",
+ validateString(nxagentOptionFile));
+
+ goto nxagentProcessOptionsFileClose;
+ }
+
+ offset = 0;
+ size = 0;
+
+ for (;;)
+ {
+ size_t result = fread(data + offset, 1, sizeOfFile, file);
+
+ if (ferror(file) != 0)
+ {
+ fprintf(stderr, "Warning: Error reading the option file '%s'.\n",
+ validateString(nxagentOptionFile));
+
+ goto nxagentProcessOptionsFileFree;
+ }
+
+ size += result;
+ offset += result;
+
+ if (feof(file) != 0 || (size == sizeOfFile))
+ {
+ break;
+ }
+ }
+
+ if (size != sizeOfFile)
+ {
+ fprintf(stderr, "Warning: Premature end of option file '%s' while reading.\n",
+ validateString(nxagentOptionFile));
+
+ goto nxagentProcessOptionsFileFree;
+ }
+
+ /*
+ * Truncate the buffer to the first line.
+ */
+
+ for (offset = 0; (offset < sizeOfFile) && (data[offset] != '\n'); offset++);
+
+ data[offset] = 0;
+
+ nxagentParseOptionString(data);
+
+nxagentProcessOptionsFileFree:
+
+ if (data != NULL)
+ {
+ Xfree(data);
+ }
+
+nxagentProcessOptionsFileClose:
+
+ if (fclose(file) != 0)
+ {
+ fprintf(stderr, "Warning: Couldn't close option file '%s'. Error is '%s'.\n",
+ validateString(nxagentOptionFile), strerror(errno));
+ }
+
+nxagentProcessOptionsFileExit:
+
+ return;
+}
+
+/*
+ * FIXME: Transport initialization, shouldn't depend upon
+ * argv[], because we call it at every reconnection.
+ */
+
+Bool nxagentPostProcessArgs(char* name, Display* dpy, Screen* scr)
+{
+ Bool useNXTrans = False;
+
+ #ifdef WATCH
+
+ fprintf(stderr, "nxagentPostProcessArgs: Watchpoint 2.\n");
+
+/*
+Reply Total Cached Bits In Bits Out Bits/Reply Ratio
+------- ----- ------ ------- -------- ---------- -----
+N/A
+*/
+
+ sleep(30);
+
+ #endif
+
+ if ((nxagentOption(Rootless) == 1) && nxagentOption(Fullscreen) == 1)
+ {
+ #ifdef TEST
+ fprintf(stderr, "WARNING: Ignoring fullscreen option for rootless session.\n");
+ #endif
+
+ nxagentChangeOption(Fullscreen, False);
+ }
+
+ /*
+ * Ensure we have a valid name for children dialogs.
+ */
+
+ nxagentGetDialogName();
+
+ /*
+ * Ensure we have a valid name for window name.
+ */
+
+ if (*nxagentWindowName == '\0')
+ {
+ strncpy(nxagentWindowName, "NX", 255);
+
+ *(nxagentWindowName + 255) = '\0';
+ }
+
+ /*
+ * Note that use of NX packed images as well as
+ * render extension could be later disabled due
+ * to the fact that session is running nested
+ * in a nxagent server.
+ */
+
+ if (nxagentForceNXTrans)
+ {
+ useNXTrans = True;
+ }
+ else if ((strncasecmp(name, "nx/", 3) == 0) ||
+ (strncasecmp(name, "nx:", 3) == 0) ||
+ (strncasecmp(name, "nx,", 3) == 0) ||
+ (strcasecmp(name, "nx") == 0))
+ {
+ useNXTrans = True;
+ }
+
+ if (useNXTrans == True)
+ {
+ unsigned int linkType = LINK_TYPE_NONE;
+
+ unsigned int localMajor = 0;
+ unsigned int localMinor = 0;
+ unsigned int localPatch = 0;
+
+ unsigned int remoteMajor = 0;
+ unsigned int remoteMinor = 0;
+ unsigned int remotePatch = 0;
+
+ int splitTimeout = 0;
+ int motionTimeout = 0;
+
+ int splitMode = 0;
+ int splitSize = 0;
+
+ unsigned int packMethod = PACK_NONE;
+ unsigned int packQuality = 9;
+
+ int dataLevel = 0;
+ int streamLevel = 0;
+ int deltaLevel = 0;
+
+ unsigned int loadCache = 0;
+ unsigned int saveCache = 0;
+ unsigned int startupCache = 0;
+
+ unsigned int enableClient = 0;
+ unsigned int enableServer = 0;
+
+ unsigned int clientSegment = 0;
+ unsigned int serverSegment = 0;
+
+ unsigned int clientSize = 0;
+ unsigned int serverSize = 0;
+
+ if (NXGetControlParameters(dpy, &linkType, &localMajor, &localMinor,
+ &localPatch, &remoteMajor, &remoteMinor, &remotePatch,
+ &splitTimeout, &motionTimeout, &splitMode, &splitSize,
+ &packMethod, &packQuality, &dataLevel, &streamLevel,
+ &deltaLevel, &loadCache, &saveCache, &startupCache) == 0)
+ {
+ fprintf(stderr, "Warning: Failed to get the control parameters.\n");
+ }
+
+ nxagentChangeOption(LinkType, linkType);
+
+ #ifdef TEST
+ fprintf(stderr, "nxagentPostProcessArgs: Got local version [%d.%d.%d] remote version [%d.%d.%d].\n",
+ localMajor, localMinor, localPatch, remoteMajor, remoteMinor, remotePatch);
+
+ fprintf(stderr, "nxagentPostProcessArgs: Got split timeout [%d] motion timeout [%d].\n",
+ splitTimeout, motionTimeout);
+
+ fprintf(stderr, "nxagentPostProcessArgs: Got split mode [%d] split size [%d].\n",
+ splitMode, splitSize);
+
+ fprintf(stderr, "nxagentPostProcessArgs: Got preferred pack method [%d] and quality [%d].\n",
+ packMethod, packQuality);
+ #endif
+
+ if (remoteMajor < 2)
+ {
+ #ifdef TEST
+ fprintf(stderr, "nxagentPostProcessArgs: WARNING! Using backward compatible alpha encoding.\n");
+ #endif
+
+ nxagentAlphaCompat = 1;
+ }
+ else
+ {
+ nxagentAlphaCompat = 0;
+ }
+
+ if (nxagentPackMethod == -1)
+ {
+ nxagentPackMethod = packMethod;
+ }
+
+ if (nxagentPackQuality == -1)
+ {
+ nxagentPackQuality = packQuality;
+ }
+
+ /*
+ * Set the minimum size of images being
+ * streamed.
+ */
+
+ if (nxagentSplitThreshold == -1)
+ {
+ nxagentSplitThreshold = splitSize;
+ }
+
+ /*
+ * Let the remote proxy use the shared memory
+ * extension, if supported by the X server.
+ * The client part is not useful and not impl-
+ * emented. The size of the segment is chosen
+ * by the user. The only purpose of the message
+ * is to reserve the XID that will be used by
+ * the remote.
+ */
+
+ enableClient = 0;
+ enableServer = 1;
+
+ if (NXGetShmemParameters(dpy, &enableClient, &enableServer, &clientSegment,
+ &serverSegment, &clientSize, &serverSize) == 0)
+ {
+ fprintf(stderr, "Warning: Failed to get the shared memory parameters.\n");
+ }
+
+ if (enableServer == 1)
+ {
+ fprintf(stderr, "Info: Using shared memory parameters %d/%d/%d/%dK.\n",
+ nxagentOption(SharedMemory), nxagentOption(SharedPixmaps),
+ enableServer, serverSize / 1024);
+ }
+ else
+ {
+ fprintf(stderr, "Info: Using shared memory parameters %d/%d/0/0K.\n",
+ nxagentOption(SharedMemory), nxagentOption(SharedPixmaps));
+ }
+
+ /*
+ * We don't need the NoExpose events. Block
+ * them at the proxy side.
+ */
+
+ NXSetExposeParameters(nxagentDisplay, 1, 1, 0);
+ }
+ else
+ {
+ /*
+ * We don't have a proxy on the remote side.
+ */
+
+ nxagentChangeOption(LinkType, LINK_TYPE_NONE);
+ }
+
+ /*
+ * Set the lossless and lossy pack methods
+ * based on the user's preferences and the
+ * selected link type.
+ */
+
+ nxagentSetPackMethod();
+
+ /*
+ * If not set, set the defer level and the
+ * synchronization timeout based on the link
+ * type.
+ */
+
+ nxagentSetDeferLevel();
+
+ /*
+ * Also set the display output buffer size.
+ */
+
+ nxagentSetBufferSize();
+
+ /*
+ * Select the preferred scheduler.
+ */
+
+ nxagentSetScheduler();
+
+ /*
+ * Select the buffer coalescence timeout.
+ */
+
+ nxagentSetCoalescence();
+
+ /*
+ * Set the other defaults.
+ */
+
+ if (nxagentOption(Fullscreen) == UNDEFINED)
+ {
+ nxagentChangeOption(Fullscreen, False);
+ }
+
+ if (nxagentOption(Binder) == UNDEFINED)
+ {
+ nxagentChangeOption(Binder, False);
+ }
+
+ if (nxagentOption(Rootless) == UNDEFINED)
+ {
+ nxagentChangeOption(Rootless, False);
+ }
+
+ if (nxagentOption(Desktop) == UNDEFINED)
+ {
+ nxagentChangeOption(Desktop, True);
+ }
+
+ /*
+ * The enableBackingStore flag is defined
+ * in window.c in the dix.
+ */
+/*
+FIXME: In rootless mode the backing-store support is not functional yet.
+*/
+ if (nxagentOption(Rootless))
+ {
+ enableBackingStore = 0;
+ }
+ else if (nxagentOption(BackingStore) == BackingStoreUndefined ||
+ nxagentOption(BackingStore) == BackingStoreForce)
+ {
+ enableBackingStore = 1;
+ }
+ else if (nxagentOption(BackingStore) == BackingStoreNever)
+ {
+ enableBackingStore = 0;
+ }
+
+ /*
+ * need to check if this was set on the
+ * command line as this has the priority
+ * over the option file.
+ */
+
+ if (nxagentRenderEnable == UNDEFINED)
+ {
+ nxagentRenderEnable = True;
+ }
+
+ if (nxagentRenderEnable == True)
+ {
+ nxagentAlphaEnabled = True;
+ }
+ else
+ {
+ nxagentAlphaEnabled = False;
+ }
+
+ if ((nxagentOption(Rootless) == 1) && nxagentOption(Xdmcp))
+ {
+ FatalError("PANIC! Cannot start a XDMCP session in rootless mode.\n");
+ }
+
+ /*
+ * We enable server reset only for indirect
+ * XDMCP sessions.
+ */
+
+ if (nxagentOption(Reset) == True && nxagentMaxAllowedResets == 0)
+ {
+ #ifdef WARNING
+ fprintf(stderr, "nxagentPostProcessArgs: Disabling the server reset.\n");
+ #endif
+
+ nxagentChangeOption(Reset, False);
+
+ dispatchExceptionAtReset = 0;
+ }
+
+ /*
+ * We skip server reset by default. This should
+ * be equivalent to passing the -noreset option
+ * to a standard XFree86 server.
+ */
+
+ if (nxagentOption(Reset) == False)
+ {
+ #ifdef TEST
+ fprintf(stderr, "nxagentPostProcessArgs: Disabling dispatch of exception at server reset.\n");
+ #endif
+
+ dispatchExceptionAtReset = 0;
+ }
+
+ /*
+ * Check if the user activated the auto-disconect
+ * feature.
+ */
+
+ if (nxagentOption(Timeout) > 0)
+ {
+ fprintf(stderr, "Info: Using auto-disconnect timeout of %d seconds.\n",
+ nxagentOption(Timeout));
+
+ nxagentAutoDisconnectTimeout = nxagentOption(Timeout) * MILLI_PER_SECOND;
+ }
+
+ #ifdef WATCH
+
+ fprintf(stderr, "nxagentPostProcessArgs: Watchpoint 3.\n");
+
+/*
+Reply Total Cached Bits In Bits Out Bits/Reply Ratio
+------- ----- ------ ------- -------- ---------- -----
+#16 1 256 bits (0 KB) -> 12 bits (0 KB) -> 256/1 -> 12/1 = 21.333:1
+#233 A 1 256 bits (0 KB) -> 131 bits (0 KB) -> 256/1 -> 131/1 = 1.954:1
+#245 A 2 512 bits (0 KB) -> 19 bits (0 KB) -> 256/1 -> 10/1 = 26.947:1
+*/
+
+ sleep(30);
+
+ #endif
+
+ return useNXTrans;
+}
+
+void ddxUseMsg()
+{
+ ErrorF("-display string display name of the real server\n");
+ ErrorF("-sync synchronize with the real server\n");
+ ErrorF("-full utilize full regeneration\n");
+ ErrorF("-class string default visual class\n");
+ ErrorF("-depth int default depth\n");
+ ErrorF("-geometry WxH+X+Y window size and position\n");
+ ErrorF("-bw int window border width\n");
+ ErrorF("-name string window name\n");
+ ErrorF("-scrns int number of screens to generate\n");
+ ErrorF("-install install colormaps directly\n");
+
+ ErrorF("The NX system adds the following arguments:\n");
+ ErrorF("-forcenx force use of NX protocol messages assuming communication through nxproxy\n");
+ ErrorF("-timeout int auto-disconnect timeout in seconds (minimum allowed: 60)\n");
+#ifdef RENDER
+ ErrorF("-norender disable the use of the render extension\n");
+ ErrorF("-nocomposite disable the use of the composite extension\n");
+#endif
+ ErrorF("-nopersistent disable disconnection/reconnection to the X display on SIGHUP\n");
+ ErrorF("-noshmem disable use of shared memory extension\n");
+ ErrorF("-shmem enable use of shared memory extension\n");
+ ErrorF("-noshpix disable use of shared pixmaps\n");
+ ErrorF("-shpix enable use of shared pixmaps\n");
+ ErrorF("-noignore don't ignore pointer and keyboard configuration changes mandated by clients\n");
+ ErrorF("-nokbreset don't reset keyboard device if the session is resumed\n");
+ ErrorF("-noxkblock always allow applications to change layout through XKEYBOARD\n");
+ ErrorF("-tile WxH size of image tiles (minimum allowed: 32x32)\n");
+ ErrorF("-D enable desktop mode\n");
+ ErrorF("-R enable rootless mode\n");
+ ErrorF("-S enable shadow mode\n");
+ ErrorF("-B enable proxy binding mode\n");
+}
+
+static int nxagentGetDialogName()
+{
+ strcpy(nxagentDialogName, "NX");
+
+ *(nxagentDialogName + 255) = '\0';
+
+ if (*nxagentSessionId != '\0')
+ {
+ int length = strlen(nxagentSessionId);
+
+ strcpy(nxagentDialogName, "NX - ");
+
+ if (length > (MD5_LENGTH * 2 + 1) &&
+ *(nxagentSessionId + (length - (MD5_LENGTH * 2 + 1))) == '-')
+ {
+ strncat(nxagentDialogName, nxagentSessionId, length - (MD5_LENGTH * 2 + 1));
+ }
+ else
+ {
+ strncat(nxagentDialogName, nxagentSessionId, 250);
+ }
+
+ *(nxagentSessionId + 255) = '\0';
+
+ return 1;
+ }
+
+ return 0;
+}
+
+void nxagentSetPackMethod(void)
+{
+ unsigned char supportedMethods[NXNumberOfPackMethods];
+ unsigned int entries = NXNumberOfPackMethods;
+
+ int method;
+
+ if (nxagentOption(LinkType) == LINK_TYPE_NONE)
+ {
+ nxagentChangeOption(Streaming, 0);
+
+ nxagentPackMethod = PACK_NONE;
+ nxagentPackLossless = PACK_NONE;
+
+ nxagentSplitThreshold = 0;
+
+ return;
+ }
+
+ /*
+ * Check if we need to select the lossy
+ * and lossless pack methods based on
+ * the link type.
+ */
+
+ method = nxagentPackMethod;
+
+ if (method == PACK_ADAPTIVE)
+ {
+ #ifdef TEST
+ fprintf(stderr, "nxagentSetPackMethod: Using adaptive mode for image compression.\n");
+ #endif
+
+ nxagentChangeOption(Adaptive, 1);
+ }
+ else
+ {
+ #ifdef TEST
+ fprintf(stderr, "nxagentSetPackMethod: Not using adaptive mode for image compression.\n");
+ #endif
+
+ nxagentChangeOption(Adaptive, 0);
+ }
+
+ if (method == PACK_LOSSY || method == PACK_ADAPTIVE)
+ {
+ nxagentPackMethod = PACK_JPEG_16M_COLORS;
+ }
+ else if (method == PACK_LOSSLESS)
+ {
+ switch (nxagentOption(LinkType))
+ {
+ case LINK_TYPE_MODEM:
+ case LINK_TYPE_ISDN:
+ case LINK_TYPE_ADSL:
+ case LINK_TYPE_WAN:
+ {
+ nxagentPackMethod = PACK_BITMAP_16M_COLORS;
+
+ break;
+ }
+ case LINK_TYPE_LAN:
+ {
+ nxagentPackMethod = PACK_RLE_16M_COLORS;
+
+ break;
+ }
+ default:
+ {
+ fprintf(stderr, "Warning: Unknown link type '%d' while setting the pack method.\n",
+ nxagentOption(LinkType));
+
+ break;
+ }
+ }
+ }
+
+ /*
+ * Query the remote proxy to determine
+ * whether the selected methods are
+ * supported.
+ */
+
+ if (NXGetUnpackParameters(nxagentDisplay, &entries, supportedMethods) == 0 ||
+ entries != NXNumberOfPackMethods)
+ {
+ fprintf(stderr, "Warning: Unable to retrieve the supported pack methods.\n");
+
+ nxagentPackMethod = PACK_NONE;
+ nxagentPackLossless = PACK_NONE;
+ }
+ else
+ {
+ if (nxagentPackMethod == PACK_BITMAP_16M_COLORS ||
+ nxagentPackMethod == PACK_RLE_16M_COLORS ||
+ nxagentPackMethod == PACK_RGB_16M_COLORS ||
+ nxagentPackMethod == PACK_NONE)
+ {
+ nxagentPackLossless = nxagentPackMethod;
+ }
+ else
+ {
+ if (nxagentOption(LinkType) == LINK_TYPE_LAN)
+ {
+ nxagentPackLossless = PACK_RLE_16M_COLORS;
+ }
+ else
+ {
+ nxagentPackLossless = PACK_BITMAP_16M_COLORS;
+ }
+ }
+
+ if (supportedMethods[nxagentPackLossless] == 0)
+ {
+ nxagentPackLossless = PACK_NONE;
+ }
+
+ #ifdef TEST
+ fprintf(stderr, "nxagentSetPackMethod: Using method [%d] for lossless compression.\n",
+ nxagentPackLossless);
+ #endif
+
+ if (supportedMethods[nxagentPackMethod] == 0)
+ {
+ fprintf(stderr, "Warning: Pack method '%d' not supported by the proxy.\n",
+ nxagentPackMethod);
+
+ fprintf(stderr, "Warning: Replacing with lossless pack method '%d'.\n",
+ nxagentPackLossless);
+
+ nxagentPackMethod = nxagentPackLossless;
+ }
+ }
+
+ if (nxagentPackMethod == nxagentPackLossless)
+ {
+ nxagentPackQuality = 9;
+ }
+
+ #ifdef TEST
+ fprintf(stderr, "nxagentSetPackMethod: Assuming pack methods [%d] and [%d] with "
+ "quality [%d].\n", nxagentPackMethod, nxagentPackLossless, nxagentPackQuality);
+ #endif
+}
+
+/*
+ * Each defer level adds the following rules to the previous ones:
+ *
+ * Level 0 Eager encoding.
+ *
+ * Level 1 No data is put or copied on pixmaps, marking them always
+ * as corrupted and synchronizing them on demand, i.e. when
+ * a copy area to a window is requested, the source is syn-
+ * chronized before copying it.
+ *
+ * Level 2 The put images over the windows are skipped marking the
+ * destination as corrupted. The same happens for copy area
+ * and composite operations, spreading the corrupted regions
+ * of involved drawables.
+ */
+
+void nxagentSetDeferLevel()
+{
+ int deferLevel;
+ int tileWidth;
+ int tileHeight;
+ int deferTimeout;
+
+ /*
+ * Streaming is only partly implemented
+ * and is not available in this version
+ * of the agent.
+ */
+
+ if (nxagentOption(Streaming) == 1)
+ {
+ fprintf(stderr, "Warning: Streaming of images not available in this agent.\n");
+
+ nxagentChangeOption(Streaming, 0);
+ }
+
+ switch (nxagentOption(LinkType))
+ {
+ case LINK_TYPE_MODEM:
+ {
+ deferLevel = 2;
+
+ tileWidth = 64;
+ tileHeight = 64;
+
+ deferTimeout = 200;
+
+ break;
+ }
+ case LINK_TYPE_ISDN:
+ {
+ deferLevel = 2;
+
+ tileWidth = 64;
+ tileHeight = 64;
+
+ deferTimeout = 200;
+
+ break;
+ }
+ case LINK_TYPE_ADSL:
+ {
+ deferLevel = 2;
+
+ deferTimeout = 200;
+
+ tileWidth = 65536;
+ tileHeight = 65536;
+
+ break;
+ }
+ case LINK_TYPE_WAN:
+ {
+ deferLevel = 1;
+
+ deferTimeout = 200;
+
+ tileWidth = 65536;
+ tileHeight = 65536;
+
+ break;
+ }
+ case LINK_TYPE_NONE:
+ case LINK_TYPE_LAN:
+ {
+ deferLevel = 0;
+
+ deferTimeout = 200;
+
+ tileWidth = 65536;
+ tileHeight = 65536;
+
+ break;
+ }
+ default:
+ {
+ fprintf(stderr, "Warning: Unknown link type [%d] processing the defer option.\n",
+ nxagentOption(LinkType));
+
+ deferLevel = 0;
+
+ tileWidth = 64;
+ tileHeight = 64;
+
+ deferTimeout = 200;
+
+ break;
+ }
+ }
+
+ /*
+ * Set the defer timeout.
+ */
+
+ if (nxagentOption(Shadow) == 1)
+ {
+ #ifdef TEST
+ fprintf(stderr, "nxagentSetDeferLevel: Ignoring defer timeout parameter in shadow mode.\n");
+ #endif
+ }
+ else
+ {
+ nxagentChangeOption(DeferTimeout, deferTimeout);
+ }
+
+ /*
+ * Set the defer level.
+ */
+
+ if (nxagentOption(Shadow) == 1)
+ {
+ #ifdef TEST
+ fprintf(stderr, "nxagentSetDeferLevel: Ignoring defer parameter in shadow mode.\n");
+ #endif
+ }
+ else if (nxagentOption(DeferLevel) != UNDEFINED)
+ {
+ #ifdef TEST
+ fprintf(stderr, "nxagentSetDeferLevel: Not overriding the [defer] option "
+ "with value [%d]. Defer timeout is [%ld] ms.\n", nxagentOption(DeferLevel),
+ nxagentOption(DeferTimeout));
+ #endif
+ }
+ else
+ {
+ nxagentChangeOption(DeferLevel, deferLevel);
+
+ #ifdef TEST
+ fprintf(stderr, "nxagentSetDeferLevel: Assuming defer level [%d] with timeout of [%ld] ms.\n",
+ nxagentOption(DeferLevel), nxagentOption(DeferTimeout));
+ #endif
+ }
+
+ /*
+ * Set the tile width.
+ */
+
+ if (nxagentOption(TileWidth) != UNDEFINED)
+ {
+ #ifdef TEST
+ fprintf(stderr, "nxagentSetDeferLevel: Not overriding the [tile] option "
+ "width value [%d].\n", nxagentOption(TileWidth));
+ #endif
+ }
+ else
+ {
+ nxagentChangeOption(TileWidth, tileWidth);
+
+ #ifdef TEST
+ fprintf(stderr, "nxagentSetDeferLevel: Assuming tile width [%d].\n",
+ nxagentOption(TileWidth));
+ #endif
+ }
+
+ /*
+ * Set the tile height.
+ */
+
+ if (nxagentOption(TileHeight) != UNDEFINED)
+ {
+ #ifdef TEST
+ fprintf(stderr, "nxagentSetDeferLevel: Not overriding the [tile] option "
+ "height value [%d].\n", nxagentOption(TileHeight));
+ #endif
+ }
+ else
+ {
+ nxagentChangeOption(TileHeight, tileHeight);
+
+ #ifdef TEST
+ fprintf(stderr, "nxagentSetDeferLevel: Assuming tile height [%d].\n",
+ nxagentOption(TileHeight));
+ #endif
+ }
+}
+
+void nxagentSetBufferSize()
+{
+ int size;
+
+ switch (nxagentOption(LinkType))
+ {
+ case LINK_TYPE_MODEM:
+ {
+ size = 4096;
+
+ break;
+ }
+ case LINK_TYPE_ISDN:
+ {
+ size = 4096;
+
+ break;
+ }
+ case LINK_TYPE_ADSL:
+ {
+ size = 8192;
+
+ break;
+ }
+ case LINK_TYPE_WAN:
+ {
+ size = 16384;
+
+ break;
+ }
+ case LINK_TYPE_NONE:
+ case LINK_TYPE_LAN:
+ {
+ size = 16384;
+
+ break;
+ }
+ default:
+ {
+ fprintf(stderr, "Warning: Unknown link type '%d' while setting the display buffer size.\n",
+ nxagentOption(LinkType));
+
+ size = 16384;
+
+ break;
+ }
+ }
+
+ nxagentChangeOption(DisplayBuffer, size);
+
+ nxagentBuffer = size;
+
+ if (NXSetDisplayBuffer(nxagentDisplay, nxagentBuffer) < 0)
+ {
+ fprintf(stderr, "Warning: Can't set the display buffer size to [%d].\n",
+ nxagentBuffer);
+ }
+}
+
+void nxagentSetScheduler()
+{
+ #ifdef DISABLE_SMART_SCHEDULE
+
+ #ifdef SMART_SCHEDULE
+
+ #ifdef TEST
+ fprintf(stderr, "nxagentSetScheduler: Disabling the smart scheduler.\n");
+ #endif
+
+ nxagentDisableTimer();
+
+ #endif
+
+ #else /* #ifdef DISABLE_SMART_SCHEDULE */
+
+ /*
+ * The smart scheduler is the default.
+ */
+
+ #ifdef SMART_SCHEDULE
+
+ if (nxagentOption(Shadow) == 1)
+ {
+ #ifdef TEST
+ fprintf(stderr, "nxagentSetScheduler: Using the dumb scheduler in shadow mode.\n");
+ #endif
+
+ nxagentDisableTimer();
+ }
+
+ #endif
+
+ #endif /* #ifdef DISABLE_SMART_SCHEDULE */
+}
+
+void nxagentSetCoalescence()
+{
+ int timeout;
+
+ switch (nxagentOption(LinkType))
+ {
+ case LINK_TYPE_MODEM:
+ {
+ timeout = 50;
+
+ break;
+ }
+ case LINK_TYPE_ISDN:
+ {
+ timeout = 20;
+
+ break;
+ }
+ case LINK_TYPE_ADSL:
+ {
+ timeout = 10;
+
+ break;
+ }
+ case LINK_TYPE_WAN:
+ {
+ timeout = 5;
+
+ break;
+ }
+ case LINK_TYPE_NONE:
+ case LINK_TYPE_LAN:
+ {
+ timeout = 0;
+
+ break;
+ }
+ default:
+ {
+ fprintf(stderr, "Warning: Unknown link type '%d' while setting the display coalescence.\n",
+ nxagentOption(LinkType));
+
+ timeout = 0;
+
+ break;
+ }
+ }
+
+ #ifdef TEST
+ fprintf(stderr, "nxagentSetCoalescence: Using coalescence timeout of [%d] ms.\n",
+ timeout);
+ #endif
+
+ nxagentChangeOption(DisplayCoalescence, timeout);
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-23 04:16:04 +0000