wireless_tools/xwireless.c

   1 /* Xwireless.c, status: experimental, do not distribute!! */
   2 #include <stdio.h>
   3 #include <getopt.h>
   4 #include <sys/types.h>
   5
   6 #include <stdlib.h>
   7 #include <string.h>
   8 #include <unistd.h>
   9 #include <ctype.h>
  10
  11 #include <X11/Intrinsic.h>
  12 #include <X11/StringDefs.h>
  13 #include <X11/cursorfont.h>
  14 #include <X11/Xaw/Form.h>
  15 #include <X11/Xaw/Label.h>
  16 #include <X11/Xaw/Scrollbar.h>
  17
  18 #include <linux/wireless.h>
  19
  20 char* status[] = { "Scanning","Registering","Best AP","Good AP",
  21                           "Poor AP","Active Beacon Search","Static Load Balance",
  22                           "Balance Search" };
  23
  24 typedef struct privateData {
  25         char    *ifname;
  26         Pixel   currentColor;
  27         Pixel   highColor;
  28         Pixel   lowColor;
  29         Pixel   criticalColor;
  30         Pixel   foreground;
  31         int     highValue;
  32         int     lowValue;
  33         int     delay;
  34         String  geometry;
  35         struct  iw_statistics stats;
  36         struct  iw_range range;
  37 } privateData;
  38
  39 static XtAppContext          app_context;
  40 static Widget                scrollbar;
  41 static Widget                topLevel;
  42 static Widget                label;
  43 static XtIntervalId          timerId;
  44 static privateData    priv;
  45
  46 static int getstats(char *ifname, struct iw_statistics *stats)
  47 {
  48         struct iwreq wrq;
  49         FILE *f=fopen("/proc/net/wireless","r");
  50         char buf[256];
  51         char *bp;
  52         if(f==NULL)
  53                 return -1;
  54         while(fgets(buf,255,f))
  55         {
  56                 bp=buf;
  57                 while(*bp&&isspace(*bp))
  58                         bp++;
  59                 if( strncmp(bp,ifname,strlen(ifname))==0 && bp[strlen(ifname)]==':') {
  60                         bp=strchr(bp,':');
  61                         bp++;
  62                         bp = strtok(bp, " .");
  63                         sscanf(bp, "%X", &stats->status);
  64                         bp = strtok(NULL, " .");
  65                         sscanf(bp, "%d", &stats->qual.qual);
  66                         bp = strtok(NULL, " .");
  67                         sscanf(bp, "%d", &stats->qual.level);
  68                         bp = strtok(NULL, " .");
  69                         sscanf(bp, "%d", &stats->qual.noise);
  70                         bp = strtok(NULL, " .");
  71                         sscanf(bp, "%d", &stats->discard.nwid);
  72                         bp = strtok(NULL, " .");
  73                         sscanf(bp, "%d", &stats->discard.code);
  74                         bp = strtok(NULL, " .");
  75                         sscanf(bp, "%d", &stats->discard.misc);
  76                         fclose(f);
  77                         return 0;
  78                 } else {
  79                         stats->status = -1;
  80                         stats->qual.qual = 0;
  81                         stats->qual.level = 0;
  82                         stats->qual.noise = 0;
  83                 }
  84         }
  85         fclose(f);
  86
  87         /*strcpy(wrq.ifr_name, ifname);
  88         wrq.u.data.pointer = (caddr_t) &range;
  89         wrq.u.data.length = 0;
  90         wrq.u.data.flags = 0;
  91         if(ioctl(skfd, SIOCGIWRANGE, &wrq) >= 0) {
  92                 info->has_range = 1;
  93     }*/
  94
  95         return 0;
  96 }
  97
  98 static void update( XtPointer client_data, XtIntervalId *id )
  99 {
 100         char       buf[128];
 101         static int pixel           = -1;
 102         static int lpixel          = -1;
 103         static int bpixel          = -1;
 104
 105         getstats( priv.ifname, &(priv.stats));
 106
 107         if(status < 8)
 108           sprintf( buf, "%s", status[priv.stats.status] );
 109         else
 110           sprintf( buf, "%s", "buggy" );
 111         XtVaSetValues( label, XtNlabel, buf, NULL );
 112
 113         if (priv.stats.qual.qual <= priv.lowValue) {
 114                 if (pixel != priv.criticalColor)
 115                         XtVaSetValues( scrollbar, XtNforeground,
 116                                                    pixel = priv.criticalColor, NULL );
 117                 if (bpixel != priv.criticalColor)
 118                         XtVaSetValues( scrollbar, XtNborderColor,
 119                                                    bpixel = priv.criticalColor, NULL );
 120         } else if (priv.stats.qual.qual <= priv.highValue) {
 121                 if (pixel != priv.lowColor)
 122                         XtVaSetValues( scrollbar,
 123                                                    XtNforeground, pixel = priv.lowColor, NULL );
 124                 if (bpixel != priv.foreground)
 125                         XtVaSetValues( scrollbar, XtNborderColor,
 126                                                    bpixel = priv.foreground, NULL );
 127         } else {
 128                 if (pixel != priv.highColor )
 129                         XtVaSetValues( scrollbar,
 130                                                    XtNforeground, pixel = priv.highColor, NULL );
 131         }
 132
 133         XawScrollbarSetThumb( scrollbar, 0.0, priv.stats.qual.qual / 255.0 );
 134
 135         timerId = XtAppAddTimeOut( app_context, 1000 , update, app_context );
 136 }
 137
 138 #define offset(field) XtOffsetOf( privateData, field )
 139 static XtResource resources[] = {
 140         { "highColor", XtCForeground, XtRPixel, sizeof(Pixel),
 141           offset(highColor), XtRString, "green" },
 142         { "lowColor", XtCForeground, XtRPixel, sizeof(Pixel),
 143           offset(lowColor), XtRString, "orange" },
 144         { "criticalColor", XtCForeground, XtRPixel, sizeof(Pixel),
 145           offset(criticalColor), XtRString, "red" },
 146         { XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel),
 147           offset(foreground), XtRString, XtDefaultForeground },
 148         { "highValue", XtCValue, XtRInt, sizeof(int),
 149           offset(highValue), XtRImmediate, (XtPointer)50 },
 150         { "lowValue", XtCValue, XtRInt, sizeof(int),
 151           offset(lowValue), XtRImmediate, (XtPointer)10 },
 152         { "geometry", XtCString, XtRString, sizeof( String ),
 153           offset(geometry), XtRString, (XtPointer)"10x100" },
 154         { "delay", XtCValue, XtRInt, sizeof(int),
 155           offset(delay), XtRImmediate, (XtPointer)1 },
 156 };
 157
 158 int main( int argc, char **argv ) {
 159         Cursor           cursor;
 160         int              c;
 161         Widget           form;
 162         XFontStruct      *fs;
 163         int              fontWidth, fontHeight;
 164         int              width = 120;
 165
 166         /* The device name must be the first argument */
 167         if(argc < 2) {
 168                 printf("Hmm\n");
 169     }
 170         priv.ifname = argv[1];
 171
 172         if( priv.ifname == (char *) NULL) {
 173                 printf("Usage: xwireless <interface>\n");
 174                 exit(-1);
 175         }
 176
 177         topLevel = XtVaAppInitialize( &app_context, "Xwireless",
 178                                                                   NULL, 0,
 179                                                                   &argc, argv, NULL, NULL );
 180
 181         XtGetApplicationResources( topLevel,
 182                                                            &priv,
 183                                                            resources,
 184                                                            XtNumber( resources ),
 185                                                            NULL, 0 );
 186         priv.lowValue = 85;
 187         priv.highValue = 170;
 188
 189 /*      printf( "highColor = %ld\n",     priv.highColor );
 190         printf( "lowColor = %ld\n",      priv.lowColor );
 191         printf( "criticalColor = %ld\n", priv.criticalColor );
 192         printf( "foreground = %ld\n",    priv.foreground );
 193         printf( "highValue = %d\n",      priv.highValue );
 194         printf( "lowValue = %d\n",       priv.lowValue );
 195         printf( "geometry = %s\n",       priv.geometry );*/
 196
 197         cursor = XCreateFontCursor( XtDisplay( topLevel ), XC_top_left_arrow );
 198
 199         form = XtVaCreateManagedWidget( "form",
 200                                                                         formWidgetClass, topLevel,
 201                                                                         XtNorientation, XtorientHorizontal,
 202                                                                         XtNborderWidth, 0,
 203                                                                         XtNdefaultDistance, 2,
 204                                                                         NULL );
 205
 206     label = XtVaCreateManagedWidget( "label",
 207                                                                          labelWidgetClass, form,
 208                                                                          XtNleft, XtChainLeft,
 209                                                                          XtNinternalHeight, 0,
 210                                                                          XtNinternalWidth, 0,
 211                                                                          XtNborderWidth, 0,
 212                                                                          XtNlabel, "Status",
 213                                                                          NULL );
 214
 215         XtVaGetValues( label, XtNfont, &fs, NULL );
 216         fontWidth  = fs->max_bounds.width;
 217         fontHeight = fs->max_bounds.ascent + fs->max_bounds.descent;
 218         XtVaSetValues( label, XtNwidth, fontWidth * 8, NULL );
 219
 220         scrollbar = XtVaCreateManagedWidget( "scrollbar",
 221                                                                                  scrollbarWidgetClass, form,
 222                                                                                  XtNhorizDistance, 3,
 223                                                                                  XtNfromHoriz, label,
 224                                                                                  XtNorientation, XtorientHorizontal,
 225                                                                                  XtNscrollHCursor, cursor,
 226                                                                                  XtNthickness, fontHeight,
 227                                                                                  XtNlength, (width > fontWidth*4 - 6)
 228                                                                                  ? width - fontWidth * 4 - 6
 229                                                                                  : fontWidth * 4,
 230                                                                                  NULL );
 231
 232         XawScrollbarSetThumb( scrollbar, 0.0, 0.0 );
 233 /*      XtVaSetValues( scrollbar,
 234                                    XtNtranslations, XtParseTranslationTable( "" ), NULL );
 235                                    */
 236         XtRealizeWidget( topLevel );
 237         timerId = XtAppAddTimeOut( app_context, 0, update, app_context );
 238         XtAppMainLoop( app_context );
 239
 240         return 0;
 241 }