wmjiface/src/wmjiface.c

   1 #include "jDockApp/jDockApp.h"
   2 #include "jDockApp/colors.h"
   3 #include <getopt.h>
   4
   5 int delay;
   6
   7 int skip = 0;
   8 int out  = 0;
   9 int hw1  = 2000;
  10 int hw2  = 4000;
  11 int showboth = 0;
  12 int use_expavg;
  13
  14 double alpha = 0.4;
  15 double beta  = 1.0;
  16 double exp_avg[2][5];
  17
  18 void show_help() {
  19     printf("wmjiface version %s was built on %s.\n\n", VERSION, BDATE);
  20     printf("-s <sec>:  Seconds between executions of ifacechk\n");
  21     printf("-o      :  Show the traffic headed out instead.\n");
  22     printf("-D      :  Doommaker's Show-Both (in&out traf simultaneously).\n");
  23     printf("-A      :  Use approximate exponential averaging.\n");
  24     printf("-a <num>:  Alpha for the exp. avg. {default %f}.\n", alpha);
  25     printf("-b <num>:  Beta: subst for alpha if bps==0 {default %f}.\n", beta);
  26     printf("-l <num>:  Skip <num> lines before showing the first device.\n");
  27     printf("-1 <num>:  High-water-mark 1 (red color) {default %i B/s}.\n",hw1);
  28     printf("-2 <num>:  High-water-mark 2 (red color) {default %i B/s}.\n",hw2);
  29
  30     exit(0);
  31 }
  32
  33 void setup(int argc, char** argv) {
  34     //char c;
  35     int  c;  // thanx to a PowerPC user named Carine Bournez
  36     int  i = 0;
  37
  38     while( -1 != (c = getopt(argc, argv, "hoADua:b:s:l:1:2:"))) {
  39         switch(c) {
  40             case '?': exit(1);
  41             case 'h': show_help();
  42
  43             case 'o': out          = 1; break;
  44             case 'A': use_expavg   = 1; break;
  45             case 'D': showboth     = 1; break;
  46
  47             case 'a': alpha=atof(optarg); break;
  48             case 'b':  beta=atof(optarg); break;
  49
  50             case 's':    i=atoi(optarg); break;
  51             case 'l': skip=atoi(optarg); break;
  52
  53             case '1': hw1=atoi(optarg); break;
  54             case '2': hw2=atoi(optarg); break;
  55         }
  56     }
  57     delay = (i) ? i : 1;
  58     set_update_delay(delay);   /* seconds */
  59     set_loop_delay(1000);      /* mu seconds */
  60 }
  61
  62 void clear_avg() {
  63     int i;
  64     for(i=0; i<5; i++) {
  65         exp_avg[0][i] = 0;
  66         exp_avg[1][i] = 0;
  67     }
  68 }
  69
  70 void do_print_one_dev(char iface[5], char io, int bps_, int row) {
  71     int color;
  72     char letter;
  73     float display;
  74
  75     jpprintf(0, row, GREEN, "%c", io);
  76     if(iface[0] >= '0' && iface[0] <= '9') {
  77         jprintf(RED, "%s", "unkn");
  78     } else {
  79         jprintf(BLUE, "%s", iface);
  80     }
  81     jprintf(CYAN, ":", io);
  82
  83     if(bps_ >= 0) {
  84         if(bps_ > 1000) { display = (bps_)/1024.0; letter  = 'k'; }
  85         else            { display = bps_;          letter  = ' '; }
  86
  87         display += 0.5;  /* Round Up */
  88
  89              if(!bps_)      {                    color = BLUE;   }
  90         else if(bps_ < hw1) { /* 2000 default */ color = GREEN;  }
  91         else if(bps_ < hw2) { /* 4000 default */ color = YELLOW; }
  92         else                {                    color = RED;    }
  93
  94         if(letter=='k' && display<100) {
  95             jpprintf(6, row, color, "%.1f", display);
  96         } else {
  97             jpprintf(6, row, color, "%.0f", display);
  98         }
  99
 100         jprintf(ORANGE, "%c", letter);
 101     } else {
 102         jprintf(RED, "err");
 103         clear_avg();
 104     }
 105 }
 106
 107 #define IN    0
 108 #define OUT   1
 109
 110 #define Fal0d(X) ((X) ? alpha : beta)
 111
 112 void do_update() {
 113     FILE *f = popen("ifacechk", "r");
 114     char iface[5];
 115     int bps_in, bps_out;
 116     int row = 2 + skip;
 117     int c = 0;
 118     int toshow_in, toshow_out;
 119
 120     clear_window();
 121     jpprintf(0, 0, YELLOW, "    J-Iface");  /* title */
 122     jpprintf(0, 1, PINK,  "Dev:");   /* desc line */
 123     jpprintf(5, 1, PINK, "bits/s");
 124
 125     while(1 + fscanf(f, "%s%i%i", iface, &bps_in, &bps_out)) {
 126         if(use_expavg) {
 127             exp_avg[IN][c] =
 128                 (Fal0d(bps_in)*bps_in) + (1-Fal0d(bps_in))*exp_avg[IN][c];
 129             exp_avg[OUT][c] =
 130                 (Fal0d(bps_out)*bps_out) + (1-Fal0d(bps_out))*exp_avg[OUT][c];
 131             toshow_in  = exp_avg[IN ][c];
 132             toshow_out = exp_avg[OUT][c];
 133         } else {
 134             toshow_in  = bps_in;
 135             toshow_out = bps_out;
 136         }
 137
 138         if(showboth) {
 139             if(row > 4) break;
 140             do_print_one_dev(iface, 'i', toshow_in,  row++);
 141             do_print_one_dev(iface, 'o', toshow_out, row++);
 142         } else {
 143             if(row > 5) break;
 144             do_print_one_dev(
 145                 iface,
 146                 (out) ? 'o':'i',
 147                 (out) ? toshow_out : toshow_in,
 148                 row++
 149             );
 150         }
 151         c++;
 152     }
 153
 154     pclose(f);
 155 }
 156
 157 void do_expose() {
 158     do_update();
 159 }
 160
 161 void do_button_release() {
 162     do_update();
 163 }