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authorUlrich Sibiller <uli42@gmx.de>2020-01-16 22:50:18 +0100
committerUlrich Sibiller <uli42@gmx.de>2020-04-07 13:53:01 +0200
commit46ec003667487d244828babe43884555fbe7322b (patch)
treed30985606bd6e255213e25ff5f60f140e64fbe40 /nx-X11/programs/Xserver/hw
parent82fc54e577c56ee3952f14c4a5c9f50c16645591 (diff)
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nxagent: re-implement timeout handling
Option -timeout used the screensaver facility. This patch changes that to an own timer that is independent. This effectly means we can drop most of the derived screensaving stuff in a follow-up commit.
Diffstat (limited to 'nx-X11/programs/Xserver/hw')
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Args.c2
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Init.c94
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Init.h4
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c12
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Reconnect.c3
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Screen.c85
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Screen.h2
7 files changed, 114 insertions, 88 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Args.c b/nx-X11/programs/Xserver/hw/nxagent/Args.c
index 0336be822..44856ae19 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Args.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Args.c
@@ -2081,8 +2081,6 @@ FIXME: In rootless mode the backing-store support is not functional yet.
{
fprintf(stderr, "Info: Using auto-disconnect timeout of %d seconds.\n",
nxagentOption(Timeout));
-
- nxagentAutoDisconnectTimeout = nxagentOption(Timeout) * MILLI_PER_SECOND;
}
#ifdef WATCH
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Init.c b/nx-X11/programs/Xserver/hw/nxagent/Init.c
index 0b6b36547..cf156c35f 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Init.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Init.c
@@ -40,11 +40,13 @@ is" without express or implied warranty.
#include <sys/types.h>
#include <unistd.h>
#include <stdarg.h>
+#include <signal.h>
#include "X.h"
#include "Xproto.h"
#include "screenint.h"
#include "input.h"
+#include "inputstr.h"
#include "misc.h"
#include "scrnintstr.h"
#include "windowstr.h"
@@ -137,6 +139,8 @@ extern void nxagentSetSelectionCallback(CallbackListPtr *callbacks, void *data,
void *args);
#endif
+OsTimerPtr nxagentTimeoutTimer = NULL;
+
extern const char *nxagentProgName;
void ddxInitGlobals(void)
@@ -476,6 +480,96 @@ void ddxBeforeReset(void)
{
}
+CARD32 nxagentTimeoutCallback(OsTimerPtr timer, CARD32 now, void *arg)
+{
+ CARD32 idle = now - lastDeviceEventTime.milliseconds;
+
+ #ifdef TEST
+ fprintf(stderr, "%s: called, idle [%d] timeout [%d]\n", __func__, idle, nxagentOption(Timeout) * MILLI_PER_SECOND);
+ #endif
+
+ /* Set the time to exactly match the remaining time until timeout */
+ if (idle < nxagentOption(Timeout) * MILLI_PER_SECOND)
+ {
+ return nxagentOption(Timeout) * MILLI_PER_SECOND - idle;
+ }
+
+ /*
+ * The lastDeviceEventTime is updated every time a device event is
+ * received, and it is used by WaitForSomething() to know when the
+ * SaveScreens() function should be called. This solution doesn't
+ * take care of a pointer button not being released, so we have to
+ * handle this case by ourselves.
+ */
+
+/*
+FIXME: Do we need to check the key grab if the
+ autorepeat feature is disabled?
+*/
+ if (inputInfo.pointer -> button -> buttonsDown > 0)
+ {
+ #ifdef TEST
+ fprintf(stderr, "%s: Prolonging timeout - there is a pointer button down.\n", __func__);
+ #endif
+
+ /* wait 10s more */
+ return 10 * MILLI_PER_SECOND;
+ }
+
+ if (nxagentSessionState == SESSION_UP )
+ {
+ if (nxagentClients == 0)
+ {
+ fprintf(stderr, "Info: Auto-terminating session with no client running.\n");
+ raise(SIGTERM);
+ }
+ else if (nxagentOption(Persistent) == 0)
+ {
+ fprintf(stderr, "Info: Auto-terminating session with persistence not allowed.\n");
+ raise(SIGTERM);
+ }
+ else
+ {
+ fprintf(stderr, "Info: Auto-suspending session with %d clients running.\n",
+ nxagentClients);
+ raise(SIGHUP);
+ }
+ }
+
+ /*
+ * we do not need the timer anymore, so do not set a new time. The
+ * signals above will either terminate or suspend the session. At
+ * resume we will re-init the timer.
+ */
+ return 0;
+}
+
+void nxagentSetTimeoutTimer(unsigned int millis)
+{
+ if (nxagentOption(Timeout) > 0)
+ {
+ if (millis == 0)
+ {
+ millis = nxagentOption(Timeout) * MILLI_PER_SECOND;
+ }
+
+ #ifdef TEST
+ fprintf(stderr, "%s: Setting auto-disconnect timeout to [%dms]\n", __func__, millis);
+ #endif
+ nxagentTimeoutTimer = TimerSet(nxagentTimeoutTimer, 0, millis, nxagentTimeoutCallback, NULL);
+ }
+}
+
+void nxagentFreeTimeoutTimer(void)
+{
+ #ifdef TEST
+ fprintf(stderr, "%s: freeing timeout timer\n", __func__);
+ #endif
+ TimerFree(nxagentTimeoutTimer);
+ nxagentTimeoutTimer = NULL;
+}
+
+
void OsVendorInit(void)
{
return;
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Init.h b/nx-X11/programs/Xserver/hw/nxagent/Init.h
index 246f600cf..6fa1bedd7 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Init.h
+++ b/nx-X11/programs/Xserver/hw/nxagent/Init.h
@@ -52,4 +52,8 @@ extern ServerGrabInfoRec nxagentGrabServerInfo;
void nxagentNotifyConnection(int fd, int ready, void *data);
+CARD32 nxagentTimeoutCallback(OsTimerPtr timer, CARD32 now, void *arg);
+void nxagentSetTimeoutTimer(unsigned int millis);
+void nxagentFreeTimeoutTimer(void);
+
#endif /* __Init_H__ */
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c b/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c
index e804acbd2..329a8cbcb 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c
@@ -125,6 +125,7 @@ Equipment Corporation.
#include <nx/Shadow.h>
#include "Handlers.h"
#include "Keyboard.h"
+#include "Init.h"
const int nxagentMaxFontNames = 10000;
@@ -139,12 +140,6 @@ void nxagentWaitDisplay(void);
void nxagentListRemoteFonts(const char *, int);
-/*
- * Timeouts based on screen saver time.
- */
-
-int nxagentAutoDisconnectTimeout = 0;
-
#include "Xatom.h"
/*
@@ -312,6 +307,9 @@ Reply Total Cached Bits In Bits Out Bits/Reply Ratio
if (!(dispatchException & DE_TERMINATE))
dispatchException = 0;
+
+ /* Init TimeoutTimer if requested */
+ nxagentSetTimeoutTimer(0);
#endif /* NXAGENT_SERVER */
while (!dispatchException)
@@ -547,6 +545,8 @@ Reply Total Cached Bits In Bits Out Bits/Reply Ratio
#endif
#ifdef NXAGENT_SERVER
+ nxagentFreeTimeoutTimer();
+
/* FIXME: maybe move the code up to the KillAllClients() call to ddxBeforeReset? */
if ((dispatchException & DE_RESET) &&
(serverGeneration > nxagentMaxAllowedResets))
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Reconnect.c b/nx-X11/programs/Xserver/hw/nxagent/Reconnect.c
index cfa0ec804..98db9ca92 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Reconnect.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Reconnect.c
@@ -54,6 +54,7 @@
#include "Error.h"
#include "Keystroke.h"
#include "Utils.h"
+#include "Init.h"
#ifdef XKB
#include "XKBsrv.h"
@@ -361,6 +362,8 @@ void nxagentDisconnectSession(void)
DECODE_SESSION_STATE(nxagentSessionState));
#endif
+ nxagentFreeTimeoutTimer();
+
/*
* Force an I/O error on the display
* and wait until the NX transport
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Screen.c b/nx-X11/programs/Xserver/hw/nxagent/Screen.c
index bf614ffdc..da1f0d962 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Screen.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Screen.c
@@ -37,12 +37,6 @@ is" without express or implied warranty.
*/
-/*
- * Used by the auto-disconnect feature.
- */
-
-#include <signal.h>
-
#include "scrnintstr.h"
#include "dix.h"
#include "dixstruct.h"
@@ -517,19 +511,6 @@ void nxagentSetScreenSaverTime(void)
(long unsigned int)ScreenSaverTime, (long unsigned int)ScreenSaverInterval);
#endif
- /*
- * More than one timeout could be used here,
- * to make use of screen-saver handler not
- * only for the timeout feature. In a case
- * like this, the lower timeout have to be
- * used as ScreenSaverTime.
- */
-
- if (nxagentAutoDisconnectTimeout > 0)
- {
- ScreenSaverTime = nxagentAutoDisconnectTimeout;
- }
-
ScreenSaverInterval = ScreenSaverTime;
#ifdef TEST
@@ -550,15 +531,8 @@ static Bool nxagentSaveScreen(ScreenPtr pScreen, int what)
SCREEN_SAVER_CYCLE);
#endif
- /*
- * We need only to reset the timeouts
- * in this case.
- */
-
if (what == SCREEN_SAVER_OFF)
{
- nxagentAutoDisconnectTimeout = nxagentOption(Timeout) * MILLI_PER_SECOND;
-
return 1;
}
@@ -592,56 +566,6 @@ FIXME: Do we need to check the key grab if the
return 1;
}
- /*
- * Handling the auto-disconnect feature.
- * If there is any client attached and the persisten-
- * ce is allowed then leave the session running, else
- * terminate it. It should use something less brutal,
- * though raising a signal should ensure that the code
- * follows the usual execution path.
- */
-
- if (nxagentOption(Timeout) > 0)
- {
- #ifdef TEST
- fprintf(stderr, "nxagentSaveScreen: Auto-disconnect timeout was [%d].\n",
- nxagentAutoDisconnectTimeout);
- #endif
-
- nxagentAutoDisconnectTimeout -= ScreenSaverTime;
-
- #ifdef TEST
- fprintf(stderr, "nxagentSaveScreen: Auto-disconnect timeout is [%d].\n",
- nxagentAutoDisconnectTimeout);
- #endif
-
- if (nxagentSessionState == SESSION_UP &&
- nxagentAutoDisconnectTimeout <= 0)
- {
- nxagentAutoDisconnectTimeout = nxagentOption(Timeout) * MILLI_PER_SECOND;
-
- if (nxagentClients == 0)
- {
- fprintf(stderr, "Info: Terminating session with no client running.\n");
-
- raise(SIGTERM);
- }
- else if (nxagentOption(Persistent) == 0)
- {
- fprintf(stderr, "Info: Terminating session with persistence not allowed.\n");
-
- raise(SIGTERM);
- }
- else
- {
- fprintf(stderr, "Info: Suspending session with %d clients running.\n",
- nxagentClients);
-
- raise(SIGHUP);
- }
- }
- }
-
return 1;
}
@@ -3490,14 +3414,19 @@ Bool nxagentReconnectScreen(void *p0)
XSelectInput(nxagentDisplay, nxagentDefaultWindows[0], mask);
/*
- * Turn off the screen-saver and reset the
- * time to the next auto-disconnection.
+ * Turn off the screen-saver
*/
SaveScreens(SCREEN_SAVER_OFF, ScreenSaverActive);
+ /*
+ * reset the time to the next auto-disconnection.
+ */
+
lastDeviceEventTime.milliseconds = GetTimeInMillis();
+ nxagentSetTimeoutTimer(0);
+
return True;
}
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Screen.h b/nx-X11/programs/Xserver/hw/nxagent/Screen.h
index 1b24bfbd6..104da1cea 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Screen.h
+++ b/nx-X11/programs/Xserver/hw/nxagent/Screen.h
@@ -57,8 +57,6 @@ extern XlibAtom nxagentReadyAtom;
extern int nxagentClients;
-extern int nxagentAutoDisconnectTimeout;
-
extern ScreenPtr nxagentDefaultScreen;
extern Pixmap nxagentPixmapLogo;