Merge branch 'nxagent'

1 files changed, 518 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/hw/nxagent/Init.c b/nx-X11/programs/Xserver/hw/nxagent/Init.c
new file mode 100644
index 000000000..f4fc3c7e5
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/nxagent/Init.c
@@ -0,0 +1,518 @@
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 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 Medialogic S.p.A.                   */
+/*                                                                        */
+/* 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 <sys/types.h>
+#include <unistd.h>
+#include <stdarg.h>
+
+#include "X.h"
+#include "Xproto.h"
+#include "screenint.h"
+#include "input.h"
+#include "misc.h"
+#include "scrnintstr.h"
+#include "windowstr.h"
+#include "servermd.h"
+#include "mi.h"
+#include "fontstruct.h"
+
+#include "Agent.h"
+#include "Display.h"
+#include "Screen.h"
+#include "Pointer.h"
+#include "Keyboard.h"
+#include "Handlers.h"
+#include "Init.h"
+#include "Args.h"
+#include "Client.h"
+#include "Options.h"
+#include "Drawable.h"
+#include "Pixmaps.h"
+#include "GCs.h"
+#include "Font.h"
+#include "Millis.h"
+#include "Error.h"
+
+#include "NX.h"
+#include "NXlib.h"
+
+/*
+ * Set here the required log level.
+ */
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+#undef  DUMP
+
+#define NXAGENT_VERSION  "3.5.0"
+
+/*
+ * ProcVector array defined in tables.c.
+ */
+
+extern int (*ProcVector[256])(ClientPtr);
+
+/*
+ * From the fb code.
+ */
+
+extern int fbGCPrivateIndex;
+
+/*
+ * Stubs for the DPMS extension.
+ */
+
+#ifdef DPMSExtension
+
+void DPMSSet(int level);
+int DPMSGet(int *level);
+Bool DPMSSupported(void);
+
+#endif
+
+/*
+ * Our error logging function.
+ */
+
+void OsVendorVErrorFFunction(const char *f, va_list args);
+
+/*
+ * True if this is a fatal error.
+ */
+
+extern int OsVendorVErrorFFatal;
+
+/*
+ * Redirect the error output to a
+ * different file
+ */
+
+extern void (*OsVendorStartRedirectErrorFProc)();
+extern void (*OsVendorEndRedirectErrorFProc)();
+
+void OsVendorStartRedirectErrorFFunction();
+void OsVendorEndRedirectErrorFFunction();
+
+/*
+ * Called by InitGlobals() in the
+ * new X server tree.
+ */
+
+
+static void nxagentGrabServerCallback(CallbackListPtr *callbacks, pointer data,
+                                   pointer args);
+
+#ifdef NXAGENT_UPGRADE
+
+void ddxInitGlobals(void)
+{
+  /*
+   * Install our error logging function.
+   */
+
+  OsVendorVErrorFProc = OsVendorVErrorFFunction;
+
+  OsVendorStartRedirectErrorFProc = OsVendorStartRedirectErrorFFunction;
+  OsVendorEndRedirectErrorFProc   = OsVendorEndRedirectErrorFFunction;
+}
+
+#endif
+
+/*
+ * Set if the remote display supports
+ * backing store.
+ */
+/*
+FIXME: These, if not removed, should at least
+       be moved to Display.h and Display.c.
+*/
+int nxagentBackingStore;
+int nxagentSaveUnder;
+
+/*
+ * This is true at startup and set to the value of
+ * nxagentFullGeneration at the end of InitInput.
+ *
+ *   InitOutput
+ *      nxagentOpenDisplay (if nxagentDoFullGeneration)
+ *         nxagentCloseDisplay (if (nxagentDoFullGeneration && nxagentDisplay))
+ *            nxagentFree*
+ *      nxagentListRemoteFonts
+ *      AddScreen
+ *         nxagentOpenScreen
+ *   InitInput
+ */
+
+int nxagentDoFullGeneration = 1;
+
+/*
+ * Called at X server's initialization.
+ */
+
+void InitOutput(ScreenInfo *screenInfo, int argc, char *argv[])
+{
+  char *authority;
+  int i;
+
+  #ifdef __sun
+
+  char *environment;
+
+  #endif
+
+  /*
+   * Print our pid and version information.
+   */
+
+  if (serverGeneration <= 1)
+  {
+    fprintf(stderr, "\nNXAGENT - Version " NXAGENT_VERSION "\n\n");
+    fprintf(stderr, "Copyright (C) 2001, 2011 NoMachine.\n");
+    fprintf(stderr, "See http://www.nomachine.com/ for more information.\n\n");
+
+    fprintf(stderr, "Info: Agent running with pid '%d'.\n", getpid());
+
+    fprintf(stderr, "Session: Starting session at '%s'.\n", GetTimeAsString());
+  }
+
+  /*
+   * Unset the LD_LIBRARY_PATH variable in
+   * Popen() before calling execl() in the
+   * child process.
+   */
+
+  NXUnsetLibraryPath(1);
+
+  if (serverGeneration == 1)
+  {
+    AddCallback(&ServerGrabCallback, nxagentGrabServerCallback, NULL);
+  }
+
+  if (nxagentUserDefinedFontPath == 0)
+  {
+    #ifdef TEST
+    fprintf(stderr, "InitOutput: Calling nxagentVerifyDefaultFontPath.\n");
+    #endif
+
+    nxagentVerifyDefaultFontPath();
+  }
+  #ifdef TEST
+  else
+  {
+    fprintf(stderr, "InitOutput: User defined font path. Skipping the check on the fonts dir.\n");
+  }
+  #endif
+
+  if ((authority = getenv("NX_XAUTHORITY")))
+  {
+    #ifdef __sun
+
+    environment = malloc(15 + strlen(authority));
+
+    sprintf(environment, "XAUTHORITY=%s", authority);
+
+    if (putenv(environment) < 0)
+
+    #else
+
+    if (setenv("XAUTHORITY", authority, True) < 0)
+
+    #endif
+
+    {
+      fprintf(stderr, "Warning: Couldn't set the XAUTHORITY environment to [%s]\n",
+                  authority);
+    }
+  }
+
+  nxagentInitBSPixmapList();
+
+  /*
+   * Open the display. We are at the early startup and
+   * the information we'll get from the remote X server
+   * will mandate some of the characteristics of the
+   * session, like the screen depth. Note that this re-
+   * liance on the remote display at session startup
+   * should be removed. We should always operate at 32
+   * bpp, internally, and do the required translations
+   * as soon as the graphic operation needs to be real-
+   * ized on the remote display.
+   */
+
+  nxagentOpenDisplay(argc, argv);
+
+/*
+FIXME: These variables, if not removed at all because have probably
+       become useless, should be moved to Display.h and Display.c.
+*/
+  nxagentBackingStore = XDoesBackingStore(DefaultScreenOfDisplay(nxagentDisplay));
+
+  #ifdef TEST
+  fprintf(stderr, "InitOutput: Remote display backing store support [%d].\n",
+              nxagentBackingStore);
+  #endif
+
+  nxagentSaveUnder = XDoesSaveUnders(DefaultScreenOfDisplay(nxagentDisplay));
+
+  #ifdef TEST
+  fprintf(stderr, "InitOutput: Remote display save under support [%d].\n",
+              nxagentSaveUnder);
+  #endif
+
+  /*
+   * Initialize the basic screen info.
+   */
+
+  nxagentSetScreenInfo(screenInfo);
+
+  /*
+   * Initialize pixmap formats for this screen.
+   */
+
+  nxagentSetPixmapFormats(screenInfo);
+
+  /*
+   * Get our own privates' index.
+   */
+
+  nxagentWindowPrivateIndex = AllocateWindowPrivateIndex();
+  nxagentGCPrivateIndex = AllocateGCPrivateIndex();
+  RT_NX_GC = CreateNewResourceType(nxagentDestroyNewGCResourceType);
+  nxagentFontPrivateIndex = AllocateFontPrivateIndex();
+  RT_NX_FONT = CreateNewResourceType(nxagentDestroyNewFontResourceType); 
+  nxagentClientPrivateIndex = AllocateClientPrivateIndex();
+  nxagentPixmapPrivateIndex = AllocatePixmapPrivateIndex();
+  RT_NX_PIXMAP = CreateNewResourceType(nxagentDestroyNewPixmapResourceType); 
+
+  RT_NX_CORR_BACKGROUND = CreateNewResourceType(nxagentDestroyCorruptedBackgroundResource);
+  RT_NX_CORR_WINDOW = CreateNewResourceType(nxagentDestroyCorruptedWindowResource);
+  RT_NX_CORR_PIXMAP = CreateNewResourceType(nxagentDestroyCorruptedPixmapResource);
+
+  fbGCPrivateIndex = AllocateGCPrivateIndex();
+
+  if (nxagentNumScreens == 0)
+  {
+    nxagentNumScreens = 1;
+  }
+
+  for (i = 0; i < nxagentNumScreens; i++)
+  {
+    AddScreen(nxagentOpenScreen, argc, argv);
+  }
+
+  nxagentNumScreens = screenInfo->numScreens;
+
+  /*
+   * Initialize the GCs used by the synchro-
+   * nization put images. We do it here beca-
+   * use we use the nxagentDefaultScreen.
+   */
+
+  nxagentAllocateGraphicContexts();
+
+  nxagentDoFullGeneration = nxagentFullGeneration;
+
+  /*
+   * Use a solid black root window
+   * background.
+   */
+
+  blackRoot = TRUE;
+}
+
+void InitInput(argc, argv)
+     int argc;
+     char *argv[];
+{
+  pointer ptr, kbd;
+
+  ptr = AddInputDevice(nxagentPointerProc, True);
+  kbd = AddInputDevice(nxagentKeyboardProc, True);
+
+  RegisterPointerDevice(ptr);
+  RegisterKeyboardDevice(kbd);
+
+  mieqInit(kbd, ptr);
+
+  /*
+   * Add the display descriptor to the
+   * set of descriptors awaited by the
+   * dispatcher.
+   */
+
+  nxagentAddXConnection();
+
+  if (nxagentOption(Shadow))
+  {
+    RegisterBlockAndWakeupHandlers(nxagentShadowBlockHandler, nxagentShadowWakeupHandler, NULL);
+  }
+  else
+  {
+    RegisterBlockAndWakeupHandlers(nxagentBlockHandler, nxagentWakeupHandler, NULL);
+  }
+
+  /*
+   * We let the proxy flush the link on our behalf
+   * after having opened the display. We are now
+   * entering the dispatcher. From now on we'll
+   * flush the proxy link explicitly.
+   */
+
+  #ifdef TEST
+  fprintf(stderr, "InitInput: Setting the NX flush policy to deferred.\n");
+  #endif
+
+  NXSetDisplayPolicy(nxagentDisplay, NXPolicyDeferred);
+}
+
+/*
+ * DDX specific abort routine. This is called
+ * by AbortServer() that, in turn, is called
+ * by FatalError().
+ */
+
+void AbortDDX()
+{
+  nxagentDoFullGeneration = True;
+
+  nxagentCloseDisplay();
+
+  /*
+   * Do the required finalization if we
+   * are not going through the normal
+   * X server shutdown.
+   */
+
+  if ((dispatchException & DE_TERMINATE) == 0)
+  {
+    nxagentAbortDisplay();
+  }
+}
+
+/*
+ * Called by GiveUp().
+ */
+
+void ddxGiveUp()
+{
+  AbortDDX();
+}
+
+#ifdef NXAGENT_UPGRADE
+
+void ddxBeforeReset(void)
+{
+}
+
+#endif
+
+void OsVendorInit()
+{
+  return;
+}
+
+void OsVendorFatalError()
+{
+  /*
+   * Let the session terminate gracely
+   * from an user's standpoint.
+   */
+
+  fprintf(stderr, "Session: Aborting session at '%s'.\n", GetTimeAsString());
+
+  fprintf(stderr, "Session: Session aborted at '%s'.\n", GetTimeAsString());
+}
+
+void OsVendorVErrorFFunction(const char *f, va_list args)
+{
+  if (OsVendorVErrorFFatal == 0)
+  {
+    char buffer[1024];
+
+    vsnprintf(buffer, sizeof(buffer), f, args);
+
+    nxagentStartRedirectToClientsLog();
+
+    fprintf(stderr, buffer);
+
+    nxagentEndRedirectToClientsLog();
+  }
+  else
+  {
+    LogVWrite(-1, f, args);
+  }
+}
+
+void OsVendorStartRedirectErrorFFunction()
+{
+  nxagentStartRedirectToClientsLog();
+}
+
+void OsVendorEndRedirectErrorFFunction()
+{
+  nxagentEndRedirectToClientsLog();
+}
+
+/* this is just to get the server to link on AIX */
+#ifdef AIXV3
+int SelectWaitTime = 10000; /* usec */
+#endif
+
+ServerGrabInfoRec nxagentGrabServerInfo;
+
+static void nxagentGrabServerCallback(CallbackListPtr *callbacks, pointer data,
+                                   pointer args)
+{
+    ServerGrabInfoRec *grab = (ServerGrabInfoRec*)args;
+
+    nxagentGrabServerInfo.client = grab->client;
+    nxagentGrabServerInfo.grabstate = grab->grabstate;
+}
+
+#ifdef DPMSExtension
+
+void DPMSSet(int level)
+{
+}
+
+int DPMSGet(int *level)
+{
+  return -1;
+}
+
+Bool DPMSSupported(void)
+{
+  return 1;
+}
+
+#endif