wmsm.app/wmsm/wmsm.c

   1 /*
   2  * Copyright (C) 2002 Sven Schaepe <schaepe@rz.tu-ilmenau.de>
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     This program is distributed in the hope that it will be useful,
  10  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *     GNU General Public License for more details.
  13  *
  14  *     You should have received a copy of the GNU General Public License
  15  *     along with this program; if not, write to the Free Software
  16  *     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22 #include <linux/version.h>
  23
  24 #include <X11/Xlib.h>
  25 #include <X11/xpm.h>
  26 #include <X11/extensions/shape.h>
  27
  28 #include "../wmgeneral/wmgeneral.h"
  29 #include "../wmgeneral/misc.h"
  30
  31 #include "wmsm-master.xpm"
  32
  33 #define v_WMSM "0.2.1"
  34
  35 /* scale */
  36 #define xpm_scale_width         35
  37 #define xpm_scale_height        7
  38 /* type 1 */
  39 #define xpm_scale_1_f_x         67
  40 #define xpm_scale_1_f_y         5
  41 #define xpm_scale_1_b_x         67
  42 #define xpm_scale_1_b_y         13
  43 /* type 2 */
  44 #define xpm_scale_2_f_x         67
  45 #define xpm_scale_2_f_y         21
  46 #define xpm_scale_2_b_x         67
  47 #define xpm_scale_2_b_y         29
  48
  49 /* digit */
  50 #define digit_width             6
  51 #define digit_height            7
  52 /* green */
  53 #define digit_1_x               5
  54 #define digit_1_y               66
  55 /* blue */
  56 #define digit_2_x               5
  57 #define digit_2_y               76
  58
  59 /* ativation point */
  60 #define point_width             2
  61 #define point_height            2
  62 /* disable point */
  63 #define point_disable_x         66
  64 #define point_disable_y         37
  65 /* enable point */
  66 #define point_enable_x          68
  67 #define point_enable_y          37
  68 /* read position */
  69 #define point_read_x            5
  70 #define point_read_y            37
  71 /* write position */
  72 #define point_write_x           5
  73 #define point_write_y           46
  74
  75 #define cpu_s_x                 24
  76 #define cpu_s_y                 5
  77 #define mem_s_x                 24
  78 #define mem_s_y                 14
  79 #define swap_s_x                24
  80 #define swap_s_y                23
  81 #define ior_s_x                 24
  82 #define ior_s_y                 32
  83 #define iow_s_x                 24
  84 #define iow_s_y                 41
  85
  86 typedef struct {
  87     int cpu_idle;
  88     int cpu_use;
  89     long long r_diff_max;
  90     unsigned long long r_io;
  91     long long w_diff_max;
  92     unsigned long long w_io;
  93     int day;
  94     int hour;
  95     int min;
  96     int sec;
  97 } LAST;
  98 LAST last;
  99
 100 char wmsm_mask_bits[64*64];
 101 int wmsm_mask_width = 64;
 102 int wmsm_mask_height = 64;
 103 int scale_width;
 104 int scale_height;
 105 int scale_f_x;
 106 int scale_f_y;
 107 int scale_b_x;
 108 int scale_b_y;
 109 int mem_correction;
 110 char *dev_name;
 111
 112 static void draw_digit(int value,int dx,int dy)
 113 {
 114     if(value>99) {
 115         copyXPMArea(9*digit_width+digit_2_x,digit_2_y,digit_width,digit_height,dx,dy);
 116         copyXPMArea(9*digit_width+digit_2_x,digit_2_y,digit_width,digit_height,dx+digit_width,dy);
 117     } else {
 118         copyXPMArea((value/10)*digit_width+digit_1_x,digit_1_y,digit_width,digit_height,dx,dy);
 119         copyXPMArea((value%10)*digit_width+digit_1_x,digit_1_y,digit_width,digit_height,dx+digit_width,dy);
 120     }
 121     RedrawWindowXY(0,0);
 122 }
 123
 124 static void draw_uptime(int day,int hour,int min,int sec)
 125 {
 126     if(sec!=last.sec) {
 127         draw_digit(sec,48,51);
 128         last.sec=sec;
 129         if(min!=last.min) {
 130             draw_digit(min,34,51);
 131             last.min=min;
 132             if(hour!=last.hour) {
 133                 draw_digit(hour,20,51);
 134                 last.hour=hour;
 135                 if(day!=last.day) {
 136                     draw_digit(day,5,51);
 137                     last.day=day;
 138                 }
 139             }
 140         }
 141     }
 142 }
 143
 144 static void draw_enable_point(int dx,int dy)
 145 {
 146     copyXPMArea(point_enable_x,point_enable_y,point_width,point_height,dx,dy);
 147     RedrawWindowXY(0,0);
 148 }
 149
 150 static void draw_disable_point(int dx,int dy)
 151 {
 152     copyXPMArea(point_disable_x,point_disable_y,point_width,point_height,dx,dy);
 153     RedrawWindowXY(0,0);
 154 }
 155
 156 static void draw_scale(int width,int dx,int dy)
 157 {
 158     copyXPMArea(scale_f_x,scale_f_y,width,scale_height,dx,dy);
 159     if(width<scale_width) {
 160         copyXPMArea(scale_b_x+width,scale_b_y,scale_width-width,scale_height,dx+width,dy);
 161     }
 162     RedrawWindowXY(0,0);
 163 }
 164
 165 static int getDiskValue24(unsigned long long *r_io,unsigned long long *w_io)
 166 {
 167     FILE *file;
 168     char line[256];
 169     char tag[32];
 170     int major=0,disk=0,all_io=0,r_blk=0,w_blk=0;
 171     if((file=fopen("/proc/stat","r"))==NULL) {
 172         return -1;
 173     }
 174     while(fgets(line,sizeof(line),file)!=NULL) {
 175         sscanf(line,"%s",tag);
 176         if(strcmp(tag,"disk_io:")==0) {
 177             sscanf(line,"%s (%d,%d):(%d,%llu,%d,%llu,%d)",tag,&major,&disk,&all_io
 178                                                     ,r_io,&r_blk,w_io,&w_blk);
 179             fclose(file);
 180             return 0;
 181         }
 182     }
 183     fclose(file);
 184     return -1;
 185 }
 186
 187 static int getDiskValue26(unsigned long long *r_io,unsigned long long *w_io)
 188 {
 189     FILE *file;
 190     char line[256];
 191     if((file=fopen("/proc/diskstats","r"))==NULL) {
 192         return -1;
 193     }
 194     while(fgets(line,sizeof(line),file)!=NULL) {
 195         int major,minor;
 196         char devName[40];
 197         unsigned int reads,readMerges,readTicks;
 198         unsigned int writes,writeMerges,writeTicks;
 199         unsigned int inFlight,ioTicks,timeInQueue;
 200         unsigned long long readSectors,writeSectors;
 201         if(sscanf(line,"%4d %4d %s %u %u %llu %u %u %u %llu %u %u %u %u",
 202             &major,&minor,devName,&reads,&readMerges,&readSectors,&readTicks,
 203             &writes,&writeMerges,&writeSectors,&writeTicks,&inFlight,&ioTicks,
 204             &timeInQueue)==14) {
 205             *r_io=readSectors;
 206             *w_io=writeSectors;
 207                 if(strcmp(devName,dev_name)==0) {
 208                     fclose(file);
 209                     return 0;
 210                 }
 211             }
 212     }
 213     fclose(file);
 214     return -1;
 215 }
 216
 217 static void get_values(int init,int kernelVersion)
 218 {
 219     FILE *file;
 220     char line[256];
 221     char tag[32];
 222     int user,nice,system,idle;
 223     unsigned long long r_io=0,w_io=0;
 224     int mem_total=0,mem_free=0,mem_cached=0,mem_buffers=0;
 225     int swap_total=0,swap_free=0;
 226     float uptime=0.0;
 227
 228     file=fopen("/proc/stat","r");
 229     while(fgets(line,sizeof(line),file)!=NULL) {
 230         sscanf(line,"%s",tag);
 231         if(strcmp(tag,"cpu")==0) {
 232             sscanf(line,"%s %d %d %d %d",tag,&user,&nice,&system,&idle);
 233             break;
 234         }
 235     }
 236     fclose(file);
 237     if(kernelVersion<KERNEL_VERSION(2,6,0)) {
 238         getDiskValue24(&r_io,&w_io);
 239     } else {
 240         getDiskValue26(&r_io,&w_io);
 241     }
 242     file=fopen("/proc/meminfo","r");
 243     while(fgets(line,sizeof(line),file)!=NULL) {
 244         sscanf(line,"%s",tag);
 245         if(strcmp(tag,"MemTotal:")==0) {
 246             sscanf(line,"%s %d",tag,&mem_total);
 247             continue;
 248         }
 249         if(strcmp(tag,"MemFree:")==0) {
 250             sscanf(line,"%s %d",tag,&mem_free);
 251             continue;
 252         }
 253         if(strcmp(tag,"Cached:")==0) {
 254             sscanf(line,"%s %d",tag,&mem_cached);
 255             continue;
 256         }
 257         if(strcmp(tag,"Buffers:")==0) {
 258             sscanf(line,"%s %d",tag,&mem_buffers);
 259             continue;
 260         }
 261         if(strcmp(tag,"SwapTotal:")==0) {
 262             sscanf(line,"%s %d",tag,&swap_total);
 263             continue;
 264         }
 265         if(strcmp(tag,"SwapFree:")==0) {
 266             sscanf(line,"%s %d",tag,&swap_free);
 267             break;
 268         }
 269     }
 270     fclose(file);
 271
 272     file=fopen("/proc/uptime","r");
 273     fscanf(file,"%f",&uptime);
 274     fclose(file);
 275
 276     if(init) {
 277         last.cpu_idle=idle;
 278         last.cpu_use=user+nice+system;
 279         last.r_diff_max=1;
 280         last.r_io=r_io;
 281         last.w_diff_max=1;
 282         last.w_io=w_io;
 283     } else {
 284         long long diff;
 285         long long diff1;
 286         int width;
 287
 288         /* cpu */
 289         diff=idle-last.cpu_idle;
 290         diff1=user+nice+system-last.cpu_use;
 291         width=diff1*scale_width/(diff+diff1+1);
 292         last.cpu_idle=idle;
 293         last.cpu_use=user+nice+system;
 294         draw_scale(width,cpu_s_x,cpu_s_y);
 295
 296         /* r_io */
 297         diff=r_io-last.r_io;
 298         if(diff>last.r_diff_max) {
 299             last.r_diff_max=diff;
 300         }
 301         width=abs(diff)*scale_width/last.r_diff_max;
 302         last.r_io=r_io;
 303         draw_scale(width,ior_s_x,ior_s_y);
 304         if(diff && !width) {
 305             draw_enable_point(point_read_x,point_read_y);
 306         } else {
 307             draw_disable_point(point_read_x,point_read_y);
 308         }
 309
 310         /* w_io */
 311         diff=w_io-last.w_io;
 312         if(diff>last.w_diff_max) {
 313             last.w_diff_max=diff;
 314         }
 315         width=abs(diff)*scale_width/last.w_diff_max;
 316         last.w_io=w_io;
 317         draw_scale(width,iow_s_x,iow_s_y);
 318         if(diff && !width) {
 319             draw_enable_point(point_write_x,point_write_y);
 320         } else {
 321             draw_disable_point(point_write_x,point_write_y);
 322         }
 323
 324         /* mem */
 325         if(!mem_total) {
 326             width=0;
 327         } else {
 328             if(mem_correction) {
 329                 width=(mem_total-mem_free-mem_cached-mem_buffers)*scale_width/mem_total;
 330             } else {
 331                 width=(mem_total-mem_free)*scale_width/mem_total;
 332             }
 333         }
 334         draw_scale(width,mem_s_x,mem_s_y);
 335
 336         /* swap */
 337         if(!swap_total) {
 338             width=0;
 339         } else {
 340             width=(swap_total-swap_free)*scale_width/swap_total;
 341         }
 342         draw_scale(width,swap_s_x,swap_s_y);
 343
 344         /* uptime */
 345         {
 346             int day,hour,min,sec;
 347
 348             day=(int)uptime/(24*3600);
 349             uptime-=day*24*3600;
 350             hour=(int)uptime/3600;
 351             uptime-=hour*3600;
 352             min=(int)uptime/60;
 353             uptime-=min*60;
 354             sec=uptime;
 355             draw_uptime(day,hour,min,sec);
 356         }
 357     }
 358 }
 359
 360 static void usage(char *progname)
 361 {
 362     fprintf(stdout,"%s-%s "
 363                     "WindowMaker System Monitor\n"
 364                     "\t-t <num> scale type num={1,2,3,4}\n"
 365                     "\t-d <dev> device name without partion number, default: hda\n"
 366                     "\t-m               mem correction\n"
 367                     "\t-h               this\n"
 368                     ,progname,v_WMSM);
 369 }
 370
 371 int main(int argc,char *argv[])
 372 {
 373     FILE *file;
 374     char line[256];
 375     char xx[256];
 376     int revision=0,release=0,patchlevel=0;
 377     XEvent event;
 378     int opt;
 379
 380     scale_width=xpm_scale_width;
 381     scale_height=xpm_scale_height;
 382     scale_f_x=xpm_scale_2_f_x;
 383     scale_f_y=xpm_scale_2_f_y;
 384     scale_b_x=xpm_scale_1_b_x;
 385     scale_b_y=xpm_scale_1_b_y;
 386     mem_correction=0;
 387     dev_name="hda";
 388
 389     while((opt=getopt(argc,argv,"hmt:d:"))!=-1) {
 390         switch(opt) {
 391             case 'd':
 392                 dev_name=optarg;
 393                 break;
 394             case 'm':
 395                 mem_correction=1;
 396                 break;
 397             case 't':
 398                 switch(atoi(optarg)) {
 399                     case 4:
 400                         scale_f_x=xpm_scale_2_f_x;
 401                         scale_f_y=xpm_scale_2_f_y;
 402                         scale_b_x=xpm_scale_2_b_x;
 403                         scale_b_y=xpm_scale_2_b_y;
 404                         break;
 405                     case 3:
 406                         scale_f_x=xpm_scale_1_f_x;
 407                         scale_f_y=xpm_scale_1_f_y;
 408                         scale_b_x=xpm_scale_1_b_x;
 409                         scale_b_y=xpm_scale_1_b_y;
 410                         break;
 411                     case 2:
 412                         scale_f_x=xpm_scale_1_f_x;
 413                         scale_f_y=xpm_scale_1_f_y;
 414                         scale_b_x=xpm_scale_2_b_x;
 415                         scale_b_y=xpm_scale_2_b_y;
 416                         break;
 417                     case 1:
 418                     default:
 419                         scale_f_x=xpm_scale_2_f_x;
 420                         scale_f_y=xpm_scale_2_f_y;
 421                         scale_b_x=xpm_scale_1_b_x;
 422                         scale_b_y=xpm_scale_1_b_y;
 423                 }
 424                 break;
 425             case 'h':
 426             default:
 427                 usage(argv[0]);
 428                 exit(0);
 429         }
 430     }
 431
 432     file=fopen("/proc/version","r");
 433     fgets(line,sizeof(line),file);
 434     sscanf(line,"%s %s %d.%d.%d%s",xx,xx,&revision,&release,&patchlevel,xx);
 435     fclose(file);
 436
 437     createXBMfromXPM(wmsm_mask_bits,wmsm_master_xpm,wmsm_mask_width,wmsm_mask_height);
 438     openXwindow(argc,argv,wmsm_master_xpm,wmsm_mask_bits,wmsm_mask_width,wmsm_mask_height);
 439     RedrawWindowXY(0,0);
 440
 441     get_values(1,(revision<<16)+(release<<8)+patchlevel);
 442     while(1) {
 443         while (XPending(display)) {
 444             XNextEvent(display, &event);
 445             switch (event.type) {
 446                 case Expose:
 447                     RedrawWindowXY(0,0);
 448                     break;
 449                 case DestroyNotify:
 450                     XCloseDisplay(display);
 451                     exit(0);
 452             }
 453         }
 454         get_values(0,(revision<<16)+(release<<8)+patchlevel);
 455         usleep(150000L);
 456     }
 457 }