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isdn4k-utils/xisdnload/xisdnload.c

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/* based on: $XConsortium: xload.c,v 1.37 94/04/17 20:43:44 converse 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.
*/
/*
* xisdnload - display ISDN load average in a window
*
*/
#include <stdio.h>
#include <sys/fcntl.h>
#include <sys/time.h>
#include <sys/types.h>
#include <linux/isdn.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 "xisdnload.bit"
char *ProgramName;
static void quit();
/*
* Definition of the Application resources structure.
*/
typedef struct _XISDNLoadResources {
Boolean show_label;
char *online_color;
} XISDNLoadResources;
/*
* 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"},
{"-jumpscroll", "*load.jumpScroll", XrmoptionSepArg, NULL},
{"-online", "*onlineColor", XrmoptionSepArg, NULL},
};
/*
* The structure containing the resource information for the
* Xisdnload application resources.
*/
#define Offset(field) (XtOffsetOf(XISDNLoadResources, field))
static XtResource my_resources[] = {
{"showLabel", XtCBoolean, XtRBoolean, sizeof(Boolean),
Offset(show_label), XtRImmediate, (XtPointer) TRUE},
{"onlineColor", "OnlineColor", XtRString, sizeof(char *),
Offset(online_color), XtRString, NULL},
};
#undef Offset
static XISDNLoadResources resources;
static XtActionsRec xisdnload_actions[] = {
{ "quit", quit },
};
static Atom wm_delete_window;
typedef struct {
unsigned long ibytes;
unsigned long obytes;
} Siobytes;
static Siobytes iobytes[ISDN_MAX_CHANNELS];
static Pixel onlinecolor, bgcolor;
static long last[ISDN_MAX_CHANNELS];
static int usageflags[ISDN_MAX_CHANNELS];
static char phone[ISDN_MAX_CHANNELS][20];
static int fd;
static Widget label_wid;
static char label_format[80];
static int online_now, online_last;
static struct timeval tv_start, tv_last;
static long bytes_last, bytes_total, bytes_now;
static int secs_running;
static char num[20];
/*
* Exit with message describing command line format.
*/
void usage()
{
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,
" -online color background color when online\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, "\n");
exit(1);
}
void
InitLoadPoint()
{
int i;
fd = open("/dev/isdninfo", O_RDONLY | O_NDELAY);
if (fd < 0) {
perror("/dev/isdninfo");
exit(1);
}
for (i=0; i < ISDN_MAX_CHANNELS; i++) {
iobytes[i].ibytes = 0;
iobytes[i].obytes = 0;
strcpy(phone[i], "???");
last[i] = 0;
usageflags[i] = 0;
}
online_last = -1;
online_now = -1;
gettimeofday(&tv_last, NULL);
tv_last.tv_sec--; /* avoid devision by zero */
tv_start = tv_last;
bytes_last = 0;
bytes_total = 0;
bytes_now = 0;
secs_running = 0;
strcpy(num, "???");
}
void
GetLoadPoint( w, closure, call_data )
Widget w;
XtPointer closure;
XtPointer call_data; /* pointer to (double) return value */
{
double *loadavg = (double *)call_data;
double cps = 0.0;
int idx;
int get_iobytes;
char buf[4096];
char s[120];
struct timeval tv_now, tv;
long bytes_delta;
fd_set fds;
int secs_delta;
Arg args[1];
int res;
gettimeofday(&tv_now, NULL);
secs_delta = (tv_now.tv_sec + tv_now.tv_usec / 1000000) -
(tv_last.tv_sec + tv_last.tv_usec / 1000000);
tv_last = tv_now;
if (read(fd, buf, sizeof(buf))> 0) {
sscanf(strstr(buf, "usage:"),
"usage: %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d",
&usageflags[0], &usageflags[1], &usageflags[2], &usageflags[3],
&usageflags[4], &usageflags[5], &usageflags[6], &usageflags[7],
&usageflags[8], &usageflags[9], &usageflags[10], &usageflags[11],
&usageflags[12], &usageflags[13], &usageflags[14], &usageflags[15]);
sscanf(strstr(buf, "phone:"),
"phone: %s %s %s %s %s %s %s %s %s %s %s %s %s %s %s %s",
phone[0], phone[1], phone[2], phone[3],
phone[4], phone[5], phone[6], phone[7],
phone[8], phone[8], phone[10], phone[11],
phone[12], phone[13], phone[14], phone[15]);
}
get_iobytes = 1;
for (online_now = 0, bytes_now = 0, idx = 0; idx < 16; idx++) {
if (usageflags[idx]) {
online_now = 1;
if (get_iobytes) {
if (ioctl(fd,IIOCGETCPS,&iobytes))
perror("IIOCGETCPS");
get_iobytes = 0;
}
bytes_now += iobytes[idx].ibytes + iobytes[idx].obytes;
strcpy(num, phone[idx]);
}
}
bytes_delta = bytes_now - bytes_last;
bytes_last = bytes_now;
if (online_now >= 1) {
secs_running = (tv_now.tv_sec + tv_now.tv_usec / 1000000) -
(tv_start.tv_sec + tv_start.tv_usec / 1000000);
cps = (double)bytes_delta / (double)secs_delta;
if (cps < 0.0) cps = 0.0;
if (cps > 8000.0) cps = 8000.0;
bytes_total = bytes_now;
if (online_last != 1) {
tv_start = tv_now;
online_last = 1;
XtSetArg(args[0], XtNbackground, onlinecolor);
XtSetValues(w, args, 1);
}
if (resources.show_label) {
sprintf(s, label_format, num,
secs_running / 60, secs_running % 60, cps, bytes_total / 1024);
XtSetArg (args[0], XtNlabel, s);
XtSetValues (label_wid, args, ONE);
}
} else {
if (online_last != 0) {
online_last = 0;
XtSetArg(args[0], XtNbackground, bgcolor);
XtSetValues(w, args, 1);
if (resources.show_label) {
if (secs_running > 0) {
sprintf(s, label_format, "offline",
secs_running / 60, secs_running % 60,
(double)bytes_total / (double)secs_running,
bytes_total / 1024);
} else {
sprintf(s, "uninitialized");
}
XtSetArg (args[0], XtNlabel, s);
XtSetValues (label_wid, args, ONE);
}
}
}
*loadavg = cps / 1000.0; /* unit: 1000Bytes/sec */
}
void main(argc, argv)
int argc;
char **argv;
{
XtAppContext app_con;
Widget toplevel, load, pane, load_parent;
Arg args[1];
Pixmap icon_pixmap = None;
char *label, host[256];
XrmValue namein, pixelout;
ProgramName = argv[0];
/* For security reasons, we reset our uid/gid after doing the necessary
system initialization and before calling any X routines. */
InitLoadPoint();
setgid(getgid()); /* reset gid first while still (maybe) root */
setuid(getuid());
toplevel = XtAppInitialize(&app_con, "XISDNLoad", 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);
/*
* This is a hack so that f.delete will do something useful in this
* single-window application.
*/
XtAppAddActions (app_con, xisdnload_actions, XtNumber(xisdnload_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 *)xisdnload_bits,
xisdnload_width, xisdnload_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);
strcpy(label_format, label);
XtSetArg (args[0], XtNlabel, "uninitialized");
XtSetValues (label_wid, args, ONE);
load_parent = pane;
}
else
load_parent = toplevel;
load = XtCreateManagedWidget ("load", stripChartWidgetClass,
load_parent, NULL, ZERO);
XtSetArg (args[0], XtNbackground, &bgcolor);
XtGetValues(toplevel, args, ONE);
if (resources.online_color) {
namein.addr = resources.online_color;
namein.size = strlen(resources.online_color) + 1;
XtConvert(load, XtRString, &namein, XtRPixel, &pixelout);
onlinecolor = *(Pixel*)(pixelout.addr);
} else {
onlinecolor = bgcolor;
}
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);
}
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;
}
XtDestroyApplicationContext(XtWidgetToApplicationContext(w));
exit (0);
}
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