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authorMihai Moldovan <ïonic@ionic.de>2016-06-17 01:45:40 +0000
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2016-06-21 04:06:27 +0200
commit4d6d3c56706e0c5a0725c13356c28d3655f72cac (patch)
treebc82daeb0090eea8dc7eb977cc82a3ed47284262
parent04d2fe3aef464560de16d5b15ed91f8d63c6fb09 (diff)
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{nx-X11/programs/Xserver/hw/nxagent/{{Args,Handlers,Image,Options}.c,Options.h},nxcomp/{Loop,Misc}.cpp}: add configurable sleep delay if session is suspended.
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Args.c38
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Handlers.c46
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Image.c14
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Options.c2
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Options.h7
-rw-r--r--nxcomp/Loop.cpp3
-rw-r--r--nxcomp/Misc.cpp3
7 files changed, 87 insertions, 26 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Args.c b/nx-X11/programs/Xserver/hw/nxagent/Args.c
index 59d3deb63..2590dd6c3 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Args.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Args.c
@@ -1339,6 +1339,44 @@ static void nxagentParseOptions(char *name, char *value)
nxagentChangeOption(Clipboard, ClipboardBoth);
}
}
+ else if (!strcmp(name, "sleep"))
+ {
+ long sleep_parse = 0;
+
+ errno = 0;
+ sleep_parse = strtol(value, NULL, 10);
+
+ if ((errno) && (0 == sleep_parse))
+ {
+ fprintf(stderr, "nxagentParseOptions: Unable to convert value [%s] of option [%s]. "
+ "Ignoring option.\n",
+ validateString(value), validateString(name));
+
+ return;
+ }
+
+ if ((long) UINT_MAX < sleep_parse)
+ {
+ sleep_parse = UINT_MAX;
+
+ fprintf(stderr, "nxagentParseOptions: Warning: value [%s] of option [%s] "
+ "out of range, clamped to [%u].\n",
+ validateString(value), validateString(name), sleep_parse);
+ }
+
+ if (0 > sleep_parse)
+ {
+ sleep_parse = 0;
+
+ fprintf(stderr, "nxagentParseOptions: Warning: value [%s] of option [%s] "
+ "out of range, clamped to [%u].\n",
+ validateString(value), validateString(name), sleep_parse);
+ }
+
+ nxagentChangeOption(SleepTime, sleep_parse);
+
+ return;
+ }
else
{
#ifdef DEBUG
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Handlers.c b/nx-X11/programs/Xserver/hw/nxagent/Handlers.c
index 1beff090b..ba4034255 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Handlers.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Handlers.c
@@ -63,14 +63,6 @@
#define FLUSH_AFTER_MULTIPLE_READS
/*
- * Introduce a small delay after each
- * loop if the session is down. The
- * value is in milliseconds.
- */
-
-#define LOOP_DELAY_IF_DOWN 50
-
-/*
* The soft limit should roughly match
* the size of the Xlib I/O buffer.
*/
@@ -246,12 +238,21 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask)
* not connected to a valid display.
*/
- if (NXDisplayError(nxagentDisplay) == 1 && nxagentShadowCounter == 0)
+ if (NXDisplayError(nxagentDisplay) == 1 && nxagentShadowCounter == 0 && nxagentOption(SleepTime) > 0)
{
- usleep(LOOP_DELAY_IF_DOWN * 1000);
+#ifdef TEST
+ fprintf(stderr, "nxagentBlockHandler: sleeping for %d milliseconds for slowdown.\n",
+ nxagentOption(SleepTime));
+#endif
+ usleep(nxagentOption(SleepTime) * 1000);
now = GetTimeInMillis();
}
+#ifdef TEST
+ else if (0 == nxagentOption(SleepTime)) {
+ fprintf(stderr, "nxagentBlockHandler: not sleeping for slowdown.\n");
+ }
+#endif
/*
* Update the shadow display. This is
@@ -743,9 +744,17 @@ void nxagentShadowBlockHandler(void * data, struct timeval **timeout, void * mas
nxagentHandleConnectionChanges();
}
- if (nxagentSessionState == SESSION_DOWN)
+ if (nxagentSessionState == SESSION_DOWN && nxagentOption(SleepTime) > 0)
{
- usleep(50 * 1000);
+#ifdef TEST
+ fprintf(stderr, "nxagentBlockHandler: sleeping for %d milliseconds for slowdown.\n",
+ nxagentOption(SleepTime));
+#endif
+ usleep(nxagentOption(SleepTime) * 1000);
+ }
+#ifdef TEST
+ else if (0 == nxagentOption(SleepTime)) {
+ fprintf(stderr, "nxagentBlockHandler: not sleeping for slowdown.\n");
}
#ifndef __CYGWIN32__
@@ -826,7 +835,18 @@ FIXME: Must queue multiple writes and handle
#ifdef __CYGWIN32__
- usleep(50 * 1000);
+ if (nxagentOption(SleepTime) > 0) {
+#ifdef TEST
+ fprintf(stderr, "nxagentShadowBlockHandler: sleeping for %d milliseconds for slowdown.\n",
+ nxagentOption(SleepTime));
+#endif
+ usleep(nxagentOption(SleepTime) * 1000);
+ }
+#ifdef TEST
+ else if (0 == nxagentOption(SleepTime)) {
+ fprintf(stderr, "nxagentShadowBlockHandler: not sleeping for slowdown.\n");
+ }
+#endif
(*timeout) -> tv_sec = 0;
(*timeout) -> tv_usec = 50 * 1000;
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Image.c b/nx-X11/programs/Xserver/hw/nxagent/Image.c
index 6a7d46c35..a158a11db 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Image.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Image.c
@@ -69,15 +69,6 @@
#define IMAGE_UNIQUE_RATIO 10
/*
- * Introduce a small delay after each image
- * operation if the session is down. Value
- * is in microseconds and is multiplied by
- * the image data size in kilobytes.
- */
-
-#define IMAGE_DELAY_IF_DOWN 250
-
-/*
* Preferred pack and split parameters we
* got from the NX transport.
*/
@@ -521,11 +512,12 @@ void nxagentPutImage(DrawablePtr pDrawable, GCPtr pGC, int depth,
length = nxagentImageLength(dstWidth, dstHeight, format, leftPad, depth);
if (nxagentShadowCounter == 0 &&
- NXDisplayError(nxagentDisplay) == 1)
+ NXDisplayError(nxagentDisplay) == 1 &&
+ nxagentOption(SleepTime) > 0)
{
int us;
- us = IMAGE_DELAY_IF_DOWN * (length / 1024);
+ us = nxagentOption(SleepTime) * 4 * (length / 1024);
us = (us < 10000 ? 10000 : (us > 1000000 ? 1000000 : us));
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Options.c b/nx-X11/programs/Xserver/hw/nxagent/Options.c
index dbe200273..8a3275c64 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Options.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Options.c
@@ -156,6 +156,8 @@ void nxagentInitOptions()
nxagentOptions.ImageRateLimit = 0;
nxagentOptions.Xinerama = 0;
+
+ nxagentOptions.SleepTime = DEFAULT_SLEEP_TIME;
}
/*
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Options.h b/nx-X11/programs/Xserver/hw/nxagent/Options.h
index 5bf1597d5..02b886242 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Options.h
+++ b/nx-X11/programs/Xserver/hw/nxagent/Options.h
@@ -28,6 +28,7 @@
#define UNDEFINED -1
#define COPY_UNLIMITED -1
+#define DEFAULT_SLEEP_TIME 50
extern unsigned int nxagentPrintGeometryFlags;
@@ -399,6 +400,12 @@ typedef struct _AgentOptions
int Xinerama;
+ /*
+ * Sleep delay in microseconds.
+ */
+
+ unsigned int SleepTime;
+
} AgentOptionsRec;
typedef AgentOptionsRec *AgentOptionsPtr;
diff --git a/nxcomp/Loop.cpp b/nxcomp/Loop.cpp
index 473488593..5086db012 100644
--- a/nxcomp/Loop.cpp
+++ b/nxcomp/Loop.cpp
@@ -9003,7 +9003,8 @@ int ParseEnvironmentOptions(const char *env, int force)
strcasecmp(name, "keyboard") == 0 ||
strcasecmp(name, "clipboard") == 0 ||
strcasecmp(name, "streaming") == 0 ||
- strcasecmp(name, "backingstore") == 0)
+ strcasecmp(name, "backingstore") == 0 ||
+ strcasecmp(name, "sleep") == 0)
{
#ifdef DEBUG
*logofs << "Loop: Ignoring agent option '" << name
diff --git a/nxcomp/Misc.cpp b/nxcomp/Misc.cpp
index ee73f19d8..05794bded 100644
--- a/nxcomp/Misc.cpp
+++ b/nxcomp/Misc.cpp
@@ -316,7 +316,8 @@ shadowuid=n\n\
shadowmode=s\n\
defer=n\n\
tile=s\n\
-menu=n These options are interpreted by the NX agent. They\n\
+menu=n\n\
+sleep=n These options are interpreted by the NX agent. They\n\
are ignored by the proxy.\n\
\n\
Environment:\n\