usr.bin/window/lcmd2.c

   1 /*
   2  * Copyright (c) 1983, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Edward Wang at The University of California, Berkeley.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by the University of
  19  *      California, Berkeley and its contributors.
  20  * 4. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  *
  36  * @(#)lcmd2.c  8.1 (Berkeley) 6/6/93
  37  * $FreeBSD: src/usr.bin/window/lcmd2.c,v 1.2.6.2 2001/05/17 09:45:00 obrien Exp $
  38  * $DragonFly: src/usr.bin/window/lcmd2.c,v 1.4 2005/04/15 19:55:29 drhodus Exp $
  39  */
  40
  41 #include "defs.h"
  42 #include <string.h> /* System string definitions. */
  43 #include "mystring.h" /* Local string definitions. */
  44 #include "value.h"
  45 #include "var.h"
  46 #include "lcmd.h"
  47 #include "alias.h"
  48 #include <sys/types.h>
  49 #include <sys/resource.h>
  50
  51 /*ARGSUSED*/
  52 l_iostat(v, a)
  53 struct value *v, *a;
  54 {
  55         struct ww *w;
  56
  57         if ((w = openiwin(16, "IO Statistics")) == 0) {
  58                 error("Can't open statistics window: %s.", wwerror());
  59                 return;
  60         }
  61         wwprintf(w, "ttflush\twrite\terror\tzero\tchar\n");
  62         wwprintf(w, "%d\t%d\t%d\t%d\t%d\n",
  63                 wwnflush, wwnwr, wwnwre, wwnwrz, wwnwrc);
  64         wwprintf(w, "token\tuse\tbad\tsaving\ttotal\tbaud\n");
  65         wwprintf(w, "%d\t%d\t%d\t%d\t%d\t%d/%d (%.1f/%.1f)\n",
  66                 wwntokdef, wwntokuse, wwntokbad, wwntoksave, wwntokc,
  67                 wwntokc - wwntoksave ?
  68                         (int) ((float) wwbaud * wwntokc /
  69                                         (wwntokc - wwntoksave)) :
  70                         wwbaud,
  71                 wwnwrc ? (int) ((float) wwbaud * (wwnwrc + wwntoksave) /
  72                                         wwnwrc) :
  73                         wwbaud,
  74                 wwntokc - wwntoksave ?
  75                         (float) wwntokc / (wwntokc - wwntoksave) : 1.0,
  76                 wwnwrc ? (float) (wwnwrc + wwntoksave) / wwnwrc : 1.0);
  77         wwprintf(w, "wwwrite\tattempt\tchar\n");
  78         wwprintf(w, "%d\t%d\t%d\n",
  79                 wwnwwr, wwnwwra, wwnwwrc);
  80         wwprintf(w, "wwupdat\tline\tmiss\tscan\tclreol\tclreos\tmiss\tline\n");
  81         wwprintf(w, "%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\n",
  82                 wwnupdate, wwnupdline, wwnupdmiss, wwnupdscan, wwnupdclreol,
  83                 wwnupdclreos, wwnupdclreosmiss, wwnupdclreosline);
  84         wwprintf(w, "select\terror\tzero\n");
  85         wwprintf(w, "%d\t%d\t%d\n",
  86                 wwnselect, wwnselecte, wwnselectz);
  87         wwprintf(w, "read\terror\tzero\tchar\tack\tnack\tstat\terrorc\n");
  88         wwprintf(w, "%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\n",
  89                 wwnread, wwnreade, wwnreadz, wwnreadc, wwnreadack, wwnreadnack,
  90                 wwnreadstat, wwnreadec);
  91         wwprintf(w, "ptyread\terror\tzero\tcontrol\tdata\tchar\n");
  92         wwprintf(w, "%d\t%d\t%d\t%d\t%d\t%d\n",
  93                 wwnwread, wwnwreade, wwnwreadz,
  94                 wwnwreadp, wwnwreadd, wwnwreadc);
  95         waitnl(w);
  96         closeiwin(w);
  97 }
  98
  99 struct lcmd_arg arg_time[] = {
 100         { "who",        1,      ARG_STR },
 101         0
 102 };
 103
 104 /*ARGSUSED*/
 105 l_time(v, a)
 106 struct value *v;
 107 struct value *a;
 108 {
 109         struct ww *w;
 110         struct rusage rusage;
 111         struct timeval timeval;
 112         char *strtime();
 113
 114         if ((w = openiwin(8, "Timing and Resource Usage")) == 0) {
 115                 error("Can't open time window: %s.", wwerror());
 116                 return;
 117         }
 118
 119         (void) gettimeofday(&timeval, (struct timezone *)0);
 120         timeval.tv_sec -= starttime.tv_sec;
 121         if ((timeval.tv_usec -= starttime.tv_usec) < 0) {
 122                 timeval.tv_sec--;
 123                 timeval.tv_usec += 1000000;
 124         }
 125         (void) getrusage(a->v_type == V_STR
 126                         && str_match(a->v_str, "children", 1)
 127                 ? RUSAGE_CHILDREN : RUSAGE_SELF, &rusage);
 128
 129         wwprintf(w, "%-15s %-15s %-15s\n",
 130                 "time", "utime", "stime");
 131         wwprintf(w, "%-15s ", strtime(&timeval));
 132         wwprintf(w, "%-15s ", strtime(&rusage.ru_utime));
 133         wwprintf(w, "%-15s\n", strtime(&rusage.ru_stime));
 134         wwprintf(w, "%-15s %-15s %-15s %-15s\n",
 135                 "maxrss", "ixrss", "idrss", "isrss");
 136         wwprintf(w, "%-15ld %-15ld %-15ld %-15ld\n",
 137                 rusage.ru_maxrss, rusage.ru_ixrss,
 138                 rusage.ru_idrss, rusage.ru_isrss);
 139         wwprintf(w, "%-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s\n",
 140                 "minflt", "majflt", "nswap", "inblk", "oublk",
 141                 "msgsnd", "msgrcv", "nsigs", "nvcsw", "nivcsw");
 142         wwprintf(w, "%-7ld %-7ld %-7ld %-7ld %-7ld %-7ld %-7ld %-7ld %-7ld %-7ld\n",
 143                 rusage.ru_minflt, rusage.ru_majflt, rusage.ru_nswap,
 144                 rusage.ru_inblock, rusage.ru_oublock,
 145                 rusage.ru_msgsnd, rusage.ru_msgrcv, rusage.ru_nsignals,
 146                 rusage.ru_nvcsw, rusage.ru_nivcsw);
 147
 148         waitnl(w);
 149         closeiwin(w);
 150 }
 151
 152 char *
 153 strtime(t)
 154 struct timeval *t;
 155 {
 156         char fill = 0;
 157         static char buf[20];
 158         char *p = buf;
 159
 160         if (t->tv_sec > 60*60) {
 161                 (void) sprintf(p, "%ld:", t->tv_sec / (60*60));
 162                 while (*p++)
 163                         ;
 164                 p--;
 165                 t->tv_sec %= 60*60;
 166                 fill++;
 167         }
 168         if (t->tv_sec > 60) {
 169                 (void) sprintf(p, fill ? "%02ld:" : "%ld:", t->tv_sec / 60);
 170                 while (*p++)
 171                         ;
 172                 p--;
 173                 t->tv_sec %= 60;
 174                 fill++;
 175         }
 176         (void) sprintf(p, fill ? "%02ld.%02d" : "%ld.%02ld",
 177                 t->tv_sec, t->tv_usec / 10000);
 178         return buf;
 179 }
 180
 181 /*ARGSUSED*/
 182 l_list(v, a)
 183 struct value *v, *a;
 184 {
 185         struct ww *w, *wp;
 186         register i;
 187         int n;
 188
 189         for (n = 0, i = 0; i < NWINDOW; i++)
 190                 if (window[i] != 0)
 191                         n++;
 192         if (n == 0) {
 193                 error("No windows.");
 194                 return;
 195         }
 196         if ((w = openiwin(n + 2, "Windows")) == 0) {
 197                 error("Can't open listing window: %s.", wwerror());
 198                 return;
 199         }
 200         for (i = 0; i < NWINDOW; i++) {
 201                 if ((wp = window[i]) == 0)
 202                         continue;
 203                 wwprintf(w, "%c %c %-13s %-.*s\n",
 204                         wp == selwin ? '+' : (wp == lastselwin ? '-' : ' '),
 205                         i + '1',
 206                         wp->ww_state == WWS_HASPROC ? "" : "(No process)",
 207                         wwncol - 20,
 208                         wp->ww_label ? wp->ww_label : "(No label)");
 209         }
 210         waitnl(w);
 211         closeiwin(w);
 212 }
 213
 214 /*ARGSUSED*/
 215 l_variable(v, a)
 216 struct value *v, *a;
 217 {
 218         struct ww *w;
 219         int printvar();
 220
 221         if ((w = openiwin(wwnrow - 3, "Variables")) == 0) {
 222                 error("Can't open variable window: %s.", wwerror());
 223                 return;
 224         }
 225         if (var_walk(printvar, (long)w) >= 0)
 226                 waitnl(w);
 227         closeiwin(w);
 228 }
 229
 230 printvar(w, r)
 231 struct ww *w;
 232 struct var *r;
 233 {
 234         if (more(w, 0) == 2)
 235                 return -1;
 236         wwprintf(w, "%16s    ", r->r_name);
 237         switch (r->r_val.v_type) {
 238         case V_STR:
 239                 wwprintf(w, "%s\n", r->r_val.v_str);
 240                 break;
 241         case V_NUM:
 242                 wwprintf(w, "%d\n", r->r_val.v_num);
 243                 break;
 244         case V_ERR:
 245                 wwprintf(w, "ERROR\n");
 246                 break;
 247         }
 248         return 0;
 249 }
 250
 251 struct lcmd_arg arg_def_shell[] = {
 252         { "",   0,              ARG_ANY|ARG_LIST },
 253         0
 254 };
 255
 256 l_def_shell(v, a)
 257         struct value *v, *a;
 258 {
 259         char **pp;
 260         struct value *vp;
 261
 262         if (a->v_type == V_ERR) {
 263                 if ((v->v_str = str_cpy(default_shellfile)) != 0)
 264                         v->v_type = V_STR;
 265                 return;
 266         }
 267         if (v->v_str = default_shellfile) {
 268                 v->v_type = V_STR;
 269                 for (pp = default_shell + 1; *pp; pp++) {
 270                         str_free(*pp);
 271                         *pp = 0;
 272                 }
 273         }
 274         for (pp = default_shell, vp = a;
 275              vp->v_type != V_ERR &&
 276              pp < &default_shell[sizeof default_shell/sizeof *default_shell-1];
 277              pp++, vp++)
 278                 if ((*pp = vp->v_type == V_STR ?
 279                      str_cpy(vp->v_str) : str_itoa(vp->v_num)) == 0) {
 280                         /* just leave default_shell[] the way it is */
 281                         p_memerror();
 282                         break;
 283                 }
 284         if (default_shellfile = *default_shell)
 285                 if (*default_shell = strrchr(default_shellfile, '/'))
 286                         (*default_shell)++;
 287                 else
 288                         *default_shell = default_shellfile;
 289 }
 290
 291 struct lcmd_arg arg_alias[] = {
 292         { "",   0,              ARG_STR },
 293         { "",   0,              ARG_STR|ARG_LIST },
 294         0
 295 };
 296
 297 l_alias(v, a)
 298         struct value *v, *a;
 299 {
 300         if (a->v_type == V_ERR) {
 301                 struct ww *w;
 302                 int printalias();
 303
 304                 if ((w = openiwin(wwnrow - 3, "Aliases")) == 0) {
 305                         error("Can't open alias window: %s.", wwerror());
 306                         return;
 307                 }
 308                 if (alias_walk(printalias, (long)w) >= 0)
 309                         waitnl(w);
 310                 closeiwin(w);
 311         } else {
 312                 struct alias *ap = 0;
 313
 314                 if (ap = alias_lookup(a->v_str)) {
 315                         if ((v->v_str = str_cpy(ap->a_buf)) == 0) {
 316                                 p_memerror();
 317                                 return;
 318                         }
 319                         v->v_type = V_STR;
 320                 }
 321                 if (a[1].v_type == V_STR) {
 322                         struct value *vp;
 323                         char *p, *q;
 324                         char *str;
 325                         register n;
 326
 327                         for (n = 0, vp = a + 1; vp->v_type != V_ERR; vp++, n++)
 328                                 for (p = vp->v_str; *p; p++, n++)
 329                                         ;
 330                         if ((str = str_alloc(n)) == 0) {
 331                                 p_memerror();
 332                                 return;
 333                         }
 334                         for (q = str, vp = a + 1; vp->v_type != V_ERR;
 335                              vp++, q[-1] = ' ')
 336                                 for (p = vp->v_str; *q++ = *p++;)
 337                                         ;
 338                         q[-1] = 0;
 339                         if ((ap = alias_set(a[0].v_str, (char *)0)) == 0) {
 340                                 p_memerror();
 341                                 str_free(str);
 342                                 return;
 343                         }
 344                         ap->a_buf = str;
 345                 }
 346         }
 347 }
 348
 349 printalias(w, a)
 350 struct ww *w;
 351 struct alias *a;
 352 {
 353         if (more(w, 0) == 2)
 354                 return -1;
 355         wwprintf(w, "%16s    %s\n", a->a_name, a->a_buf);
 356         return 0;
 357 }
 358
 359 struct lcmd_arg arg_unalias[] = {
 360         { "alias",      1,      ARG_STR },
 361         0
 362 };
 363
 364 l_unalias(v, a)
 365 struct value *v, *a;
 366 {
 367         if (a->v_type == ARG_STR)
 368                 v->v_num = alias_unset(a->v_str);
 369         v->v_type = V_NUM;
 370 }
 371
 372 struct lcmd_arg arg_echo[] = {
 373         { "window",     1,      ARG_NUM },
 374         { "",           0,      ARG_ANY|ARG_LIST },
 375         0
 376 };
 377
 378 /*ARGSUSED*/
 379 l_echo(v, a)
 380 struct value *v;
 381 struct value *a;
 382 {
 383         char buf[20];
 384         struct ww *w;
 385
 386         if ((w = vtowin(a++, selwin)) == 0)
 387                 return;
 388         while (a->v_type != V_ERR) {
 389                 if (a->v_type == V_NUM) {
 390                         (void) sprintf(buf, "%d", a->v_num);
 391                         (void) wwwrite(w, buf, strlen(buf));
 392                 } else
 393                         (void) wwwrite(w, a->v_str, strlen(a->v_str));
 394                 if ((++a)->v_type != V_ERR)
 395                         (void) wwwrite(w, " ", 1);
 396         }
 397         (void) wwwrite(w, "\r\n", 2);
 398 }