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authormarha <marha@users.sourceforge.net>2009-11-06 15:14:39 +0000
committermarha <marha@users.sourceforge.net>2009-11-06 15:14:39 +0000
commitaf107bc67aab2009b8799126bab32a386dcc8ee1 (patch)
tree5156fc774ede27b622ed5527f76777212ae2598f /apps/xload/xload.c
parentf82153a9f5ada39e64bdfaca1c68f951d79d005c (diff)
downloadvcxsrv-af107bc67aab2009b8799126bab32a386dcc8ee1.tar.gz
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Added xload-1.0.2
Diffstat (limited to 'apps/xload/xload.c')
-rw-r--r--apps/xload/xload.c342
1 files changed, 342 insertions, 0 deletions
diff --git a/apps/xload/xload.c b/apps/xload/xload.c
new file mode 100644
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--- /dev/null
+++ b/apps/xload/xload.c
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+/* $XConsortium: xload.c,v 1.37 94/04/17 20:43:44 converse Exp $ */
+/* $XFree86: xc/programs/xload/xload.c,v 1.6tsi Exp $ */
+/*
+
+Copyright (c) 1989 X Consortium
+
+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 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 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 NONINFRINGEMENT.
+IN NO EVENT SHALL THE X CONSORTIUM 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.
+
+Except as contained in this notice, the name of the X Consortium shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from the X Consortium.
+
+*/
+
+/*
+ * xload - display system load average in a window
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <X11/Intrinsic.h>
+#include <X11/Xatom.h>
+#include <X11/StringDefs.h>
+#include <X11/Shell.h>
+
+#include <X11/Xaw/Cardinals.h>
+#include <X11/Xaw/Label.h>
+#include <X11/Xaw/Paned.h>
+#include <X11/Xaw/StripChart.h>
+#include <X11/Xmu/SysUtil.h>
+#include "xload.h"
+
+#include "xload.bit"
+
+char *ProgramName;
+
+static void quit(Widget w, XEvent *event, String *params, Cardinal *num_params);
+static void ClearLights(Display *dpy);
+static void SetLights(XtPointer data, XtIntervalId *timer);
+
+/*
+ * Definition of the Application resources structure.
+ */
+
+typedef struct _XLoadResources {
+ Boolean show_label;
+ Boolean use_lights;
+ String remote;
+} XLoadResources;
+
+/*
+ * Command line options table. Only resources are entered here...there is a
+ * pass over the remaining options after XtParseCommand is let loose.
+ */
+
+static XrmOptionDescRec options[] = {
+ {"-scale", "*load.minScale", XrmoptionSepArg, NULL},
+ {"-update", "*load.update", XrmoptionSepArg, NULL},
+ {"-hl", "*load.highlight", XrmoptionSepArg, NULL},
+ {"-highlight", "*load.highlight", XrmoptionSepArg, NULL},
+ {"-label", "*label.label", XrmoptionSepArg, NULL},
+ {"-nolabel", "*showLabel", XrmoptionNoArg, "False"},
+ {"-lights", "*useLights", XrmoptionNoArg, "True"},
+ {"-jumpscroll", "*load.jumpScroll", XrmoptionSepArg, NULL},
+ {"-remote", "*remote", XrmoptionSepArg, NULL},
+};
+
+/*
+ * The structure containing the resource information for the
+ * Xload application resources.
+ */
+
+#define Offset(field) (XtOffsetOf(XLoadResources, field))
+
+static XtResource my_resources[] = {
+ {"showLabel", XtCBoolean, XtRBoolean, sizeof(Boolean),
+ Offset(show_label), XtRImmediate, (XtPointer) TRUE},
+ {"useLights", XtCBoolean, XtRBoolean, sizeof(Boolean),
+ Offset(use_lights), XtRImmediate, (XtPointer) FALSE},
+ {"remote", XtCString, XtRString, sizeof(XtRString),
+ Offset(remote), XtRImmediate, (XtPointer) FALSE},
+
+};
+
+#undef Offset
+
+XLoadResources resources;
+
+static XtActionsRec xload_actions[] = {
+ { "quit", quit },
+};
+static Atom wm_delete_window;
+static int light_update = 10 * 1000;
+
+/*
+ * Exit with message describing command line format.
+ */
+
+static void usage(void)
+{
+ fprintf (stderr, "usage: %s [-options ...]\n\n", ProgramName);
+ fprintf (stderr, "where options include:\n");
+ fprintf (stderr,
+ " -display dpy X server on which to display\n");
+ fprintf (stderr,
+ " -geometry geom size and location of window\n");
+ fprintf (stderr,
+ " -fn font font to use in label\n");
+ fprintf (stderr,
+ " -scale number minimum number of scale lines\n");
+ fprintf (stderr,
+ " -update seconds interval between updates\n");
+ fprintf (stderr,
+ " -label string annotation text\n");
+ fprintf (stderr,
+ " -bg color background color\n");
+ fprintf (stderr,
+ " -fg color graph color\n");
+ fprintf (stderr,
+ " -hl color scale and text color\n");
+ fprintf (stderr,
+ " -nolabel removes the label from above the chart.\n");
+ fprintf (stderr,
+ " -jumpscroll value number of pixels to scroll on overflow\n");
+ fprintf (stderr,
+ " -remote host remote host to monitor\n");
+ fprintf (stderr, "\n");
+ exit(1);
+}
+
+int
+main(int argc, char **argv)
+{
+ XtAppContext app_con;
+ Widget toplevel, load, pane, label_wid, load_parent;
+ Arg args[1];
+ Pixmap icon_pixmap = None;
+ char *label, host[256];
+
+ ProgramName = argv[0];
+
+ /* For security reasons, we reset our uid/gid after doing the necessary
+ system initialization and before calling any X routines. */
+ InitLoadPoint();
+ /* reset gid first while still (maybe) root */
+ if (setgid(getgid()) == -1) {
+ fprintf(stderr, "%s: setgid failed: %s\n",
+ ProgramName, strerror(errno));
+ exit(1);
+ }
+ if (setuid(getuid()) == -1) {
+ fprintf(stderr, "%s: setuid failed: %s\n",
+ ProgramName, strerror(errno));
+ exit(1);
+ }
+
+ XtSetLanguageProc(NULL, (XtLanguageProc) NULL, NULL);
+
+ toplevel = XtAppInitialize(&app_con, "XLoad", options, XtNumber(options),
+ &argc, argv, NULL, NULL, (Cardinal) 0);
+ if (argc != 1) usage();
+
+ XtGetApplicationResources( toplevel, (XtPointer) &resources,
+ my_resources, XtNumber(my_resources),
+ NULL, (Cardinal) 0);
+
+ if (resources.use_lights)
+ {
+ char name[1024];
+ XrmString type;
+ XrmValue db_value;
+ XrmValue int_value;
+ Bool found = False;
+
+ (void) sprintf (name, "%s.paned.load.update", XtName(toplevel));
+ found = XrmGetResource (XtScreenDatabase(XtScreen(toplevel)),
+ name, "XLoad.Paned.StripChart.Interval",
+ &type, &db_value);
+ if (found) {
+ int_value.size = sizeof(int);
+ int_value.addr = (XPointer) &light_update;
+ found = XtConvertAndStore(toplevel, type, &db_value, XtRInt,
+ &int_value);
+ if (found) light_update *= 1000;
+ }
+ ClearLights (XtDisplay (toplevel));
+ SetLights ((XtPointer) toplevel, (XtIntervalId *) 0);
+ }
+ else
+ {
+ /*
+ * This is a hack so that f.delete will do something useful in this
+ * single-window application.
+ */
+ XtAppAddActions (app_con, xload_actions, XtNumber(xload_actions));
+ XtOverrideTranslations(toplevel,
+ XtParseTranslationTable ("<Message>WM_PROTOCOLS: quit()"));
+
+ XtSetArg (args[0], XtNiconPixmap, &icon_pixmap);
+ XtGetValues(toplevel, args, ONE);
+ if (icon_pixmap == None) {
+ XtSetArg(args[0], XtNiconPixmap,
+ XCreateBitmapFromData(XtDisplay(toplevel),
+ XtScreen(toplevel)->root,
+ (char *)xload_bits,
+ xload_width, xload_height));
+ XtSetValues (toplevel, args, ONE);
+ }
+
+ if (resources.show_label) {
+ pane = XtCreateManagedWidget ("paned", panedWidgetClass,
+ toplevel, NULL, ZERO);
+
+ label_wid = XtCreateManagedWidget ("label", labelWidgetClass,
+ pane, NULL, ZERO);
+
+ XtSetArg (args[0], XtNlabel, &label);
+ XtGetValues(label_wid, args, ONE);
+
+ if ( strcmp("label", label) == 0 ) {
+ (void) XmuGetHostname (host, 255);
+ XtSetArg (args[0], XtNlabel, host);
+ XtSetValues (label_wid, args, ONE);
+ }
+
+ load_parent = pane;
+ }
+ else
+ load_parent = toplevel;
+
+ load = XtCreateManagedWidget ("load", stripChartWidgetClass,
+ load_parent, NULL, ZERO);
+
+ if (resources.remote)
+ XtAddCallback(load, XtNgetValue, GetRLoadPoint, NULL);
+ else
+ XtAddCallback(load, XtNgetValue, GetLoadPoint, NULL);
+
+ XtRealizeWidget (toplevel);
+ wm_delete_window = XInternAtom (XtDisplay(toplevel), "WM_DELETE_WINDOW",
+ False);
+ (void) XSetWMProtocols (XtDisplay(toplevel), XtWindow(toplevel),
+ &wm_delete_window, 1);
+ }
+ XtAppMainLoop(app_con);
+
+ return 0;
+}
+
+static unsigned long current_leds;
+
+static void
+ClearLights (dpy)
+ Display *dpy;
+{
+ XKeyboardControl cntrl;
+
+ cntrl.led_mode = LedModeOff;
+ XChangeKeyboardControl (dpy, KBLedMode, &cntrl);
+ current_leds = 0;
+}
+
+static void
+SetLights (data, timer)
+ XtPointer data;
+ XtIntervalId *timer;
+{
+ Widget toplevel;
+ Display *dpy;
+ double value;
+ unsigned long new_leds, change, bit;
+ int i;
+ XKeyboardControl cntrl;
+
+ toplevel = (Widget) data;
+ dpy = XtDisplay (toplevel);
+ if (resources.remote)
+ GetRLoadPoint (toplevel, (XtPointer) 0, (XtPointer) &value);
+ else
+ GetLoadPoint (toplevel, (XtPointer) 0, (XtPointer) &value);
+ new_leds = (1 << (int) (value + 0.1)) - 1;
+ change = new_leds ^ current_leds;
+ i = 1;
+ bit = 1;
+ while (current_leds != new_leds)
+ {
+ if (change & bit)
+ {
+ cntrl.led = i;
+ cntrl.led_mode = new_leds & bit ? LedModeOn : LedModeOff;
+ XChangeKeyboardControl (dpy, KBLed|KBLedMode, &cntrl);
+ current_leds ^= bit;
+ }
+ i++;
+ bit <<= 1;
+ }
+ XtAppAddTimeOut(XtWidgetToApplicationContext(toplevel), light_update,
+ SetLights, data);
+}
+
+static void quit (w, event, params, num_params)
+ Widget w;
+ XEvent *event;
+ String *params;
+ Cardinal *num_params;
+{
+ if (event->type == ClientMessage &&
+ event->xclient.data.l[0] != wm_delete_window) {
+ XBell (XtDisplay(w), 0);
+ return;
+ }
+ if (resources.use_lights)
+ ClearLights (XtDisplay (w));
+ XtDestroyApplicationContext(XtWidgetToApplicationContext(w));
+ exit (0);
+}
+
+
+
+
+
+