usr.bin/window/lcmd2.c

   1 /*      @(#)lcmd2.c     8.1 (Berkeley) 6/6/93   */
   2 /*      $NetBSD: lcmd2.c,v 1.15 2008/12/29 01:53:35 christos Exp $      */
   3
   4 /*
   5  * Copyright (c) 1983, 1993
   6  *      The Regents of the University of California.  All rights reserved.
   7  *
   8  * This code is derived from software contributed to Berkeley by
   9  * Edward Wang at The University of California, Berkeley.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include <sys/types.h>
  37 #include <sys/time.h>
  38 #include <sys/resource.h>
  39 #include <string.h>
  40 #include "defs.h"
  41 #include "window_string.h"
  42 #include "var.h"
  43 #include "lcmd.h"
  44 #include "alias.h"
  45
  46 int     printalias(void *, struct var *);
  47 int     printvar(void *, struct var *);
  48 char    *strtime(struct timeval *t);
  49
  50 void
  51 l_iostat(struct value *v __unused, struct value *a __unused)
  52 {
  53         struct ww *w;
  54
  55         if ((w = openiwin(16, "IO Statistics")) == NULL) {
  56                 error("Can't open statistics window: %s.", wwerror());
  57                 return;
  58         }
  59         wwprintf(w, "ttflush\twrite\terror\tzero\tchar\n");
  60         wwprintf(w, "%d\t%d\t%d\t%d\t%d\n",
  61                 wwnflush, wwnwr, wwnwre, wwnwrz, wwnwrc);
  62         wwprintf(w, "token\tuse\tbad\tsaving\ttotal\tbaud\n");
  63         wwprintf(w, "%d\t%d\t%d\t%d\t%d\t%d/%d (%.1f/%.1f)\n",
  64                 wwntokdef, wwntokuse, wwntokbad, wwntoksave, wwntokc,
  65                 wwntokc - wwntoksave ?
  66                         (int) ((float) wwbaud * wwntokc /
  67                                         (wwntokc - wwntoksave)) :
  68                         wwbaud,
  69                 wwnwrc ? (int) ((float) wwbaud * (wwnwrc + wwntoksave) /
  70                                         wwnwrc) :
  71                         wwbaud,
  72                 wwntokc - wwntoksave ?
  73                         (float) wwntokc / (wwntokc - wwntoksave) : 1.0,
  74                 wwnwrc ? (float) (wwnwrc + wwntoksave) / wwnwrc : 1.0);
  75         wwprintf(w, "wwwrite\tattempt\tchar\n");
  76         wwprintf(w, "%d\t%d\t%d\n",
  77                 wwnwwr, wwnwwra, wwnwwrc);
  78         wwprintf(w, "wwupdat\tline\tmiss\tscan\tclreol\tclreos\tmiss\tline\n");
  79         wwprintf(w, "%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\n",
  80                 wwnupdate, wwnupdline, wwnupdmiss, wwnupdscan, wwnupdclreol,
  81                 wwnupdclreos, wwnupdclreosmiss, wwnupdclreosline);
  82         wwprintf(w, "select\terror\tzero\n");
  83         wwprintf(w, "%d\t%d\t%d\n",
  84                 wwnselect, wwnselecte, wwnselectz);
  85         wwprintf(w, "read\terror\tzero\tchar\tack\tnack\tstat\terrorc\n");
  86         wwprintf(w, "%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\n",
  87                 wwnread, wwnreade, wwnreadz, wwnreadc, wwnreadack, wwnreadnack,
  88                 wwnreadstat, wwnreadec);
  89         wwprintf(w, "ptyread\terror\tzero\tcontrol\tdata\tchar\n");
  90         wwprintf(w, "%d\t%d\t%d\t%d\t%d\t%d\n",
  91                 wwnwread, wwnwreade, wwnwreadz,
  92                 wwnwreadp, wwnwreadd, wwnwreadc);
  93         waitnl(w);
  94         closeiwin(w);
  95 }
  96
  97 struct lcmd_arg arg_time[] = {
  98         { "who",        1,      ARG_STR },
  99         { NULL,         0,      0 }
 100 };
 101
 102 void
 103 l_time(struct value *v __unused, struct value *a)
 104 {
 105         struct ww *w;
 106         struct rusage rusage;
 107         struct timeval timeval;
 108
 109         if ((w = openiwin(8, "Timing and Resource Usage")) == NULL) {
 110                 error("Can't open time window: %s.", wwerror());
 111                 return;
 112         }
 113
 114         (void) gettimeofday(&timeval, (struct timezone *)0);
 115         timersub(&timeval, &starttime, &timeval);
 116         (void) getrusage(a->v_type == V_STR
 117                         && str_match(a->v_str, "children", 1)
 118                 ? RUSAGE_CHILDREN : RUSAGE_SELF, &rusage);
 119
 120         wwprintf(w, "%-15s %-15s %-15s\n",
 121                 "time", "utime", "stime");
 122         wwprintf(w, "%-15s ", strtime(&timeval));
 123         wwprintf(w, "%-15s ", strtime(&rusage.ru_utime));
 124         wwprintf(w, "%-15s\n", strtime(&rusage.ru_stime));
 125         wwprintf(w, "%-15s %-15s %-15s %-15s\n",
 126                 "maxrss", "ixrss", "idrss", "isrss");
 127         wwprintf(w, "%-15ld %-15ld %-15ld %-15ld\n",
 128                 rusage.ru_maxrss, rusage.ru_ixrss,
 129                 rusage.ru_idrss, rusage.ru_isrss);
 130         wwprintf(w, "%-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s\n",
 131                 "minflt", "majflt", "nswap", "inblk", "oublk",
 132                 "msgsnd", "msgrcv", "nsigs", "nvcsw", "nivcsw");
 133         wwprintf(w, "%-7ld %-7ld %-7ld %-7ld %-7ld %-7ld %-7ld %-7ld %-7ld %-7ld\n",
 134                 rusage.ru_minflt, rusage.ru_majflt, rusage.ru_nswap,
 135                 rusage.ru_inblock, rusage.ru_oublock,
 136                 rusage.ru_msgsnd, rusage.ru_msgrcv, rusage.ru_nsignals,
 137                 rusage.ru_nvcsw, rusage.ru_nivcsw);
 138
 139         waitnl(w);
 140         closeiwin(w);
 141 }
 142
 143 char *
 144 strtime(struct timeval *t)
 145 {
 146         char fill = 0;
 147         static char buf[20];
 148         char *p = buf;
 149
 150         if (t->tv_sec > 60*60) {
 151                 (void) sprintf(p, "%ld:", (long int)t->tv_sec / (60*60));
 152                 while (*p++)
 153                         ;
 154                 p--;
 155                 t->tv_sec %= 60*60;
 156                 fill++;
 157         }
 158         if (t->tv_sec > 60) {
 159                 (void) sprintf(p, fill ? "%02lld:" : "%lld:",
 160                     (long long)t->tv_sec / 60);
 161                 while (*p++)
 162                         ;
 163                 p--;
 164                 t->tv_sec %= 60;
 165                 fill++;
 166         }
 167         (void) sprintf(p, fill ? "%02lld.%02ld" : "%lld.%02ld",
 168                 (long long)t->tv_sec, (long)t->tv_usec / 10000);
 169         return buf;
 170 }
 171
 172 void
 173 l_list(struct value *v __unused, struct value *a __unused)
 174 {
 175         struct ww *w, *wp;
 176         int i;
 177         int n;
 178
 179         for (n = 0, i = 0; i < NWINDOW; i++)
 180                 if (window[i] != 0)
 181                         n++;
 182         if (n == 0) {
 183                 error("No windows.");
 184                 return;
 185         }
 186         if ((w = openiwin(n + 2, "Windows")) == NULL) {
 187                 error("Can't open listing window: %s.", wwerror());
 188                 return;
 189         }
 190         for (i = 0; i < NWINDOW; i++) {
 191                 if ((wp = window[i]) == NULL)
 192                         continue;
 193                 wwprintf(w, "%c %c %-13s %-.*s\n",
 194                         wp == selwin ? '+' : (wp == lastselwin ? '-' : ' '),
 195                         i + '1',
 196                         wp->ww_state == WWS_HASPROC ? "" : "(No process)",
 197                         wwncol - 20,
 198                         wp->ww_label ? wp->ww_label : "(No label)");
 199         }
 200         waitnl(w);
 201         closeiwin(w);
 202 }
 203
 204 void
 205 l_variable(struct value *v __unused, struct value *a __unused)
 206 {
 207         struct ww *w;
 208
 209         if ((w = openiwin(wwnrow - 3, "Variables")) == NULL) {
 210                 error("Can't open variable window: %s.", wwerror());
 211                 return;
 212         }
 213         if (var_walk(printvar, (void *)w) >= 0)
 214                 waitnl(w);
 215         closeiwin(w);
 216 }
 217
 218 int
 219 printvar(void *vw, struct var *r)
 220 {
 221         struct ww *w = vw;
 222         if (more(w, 0) == 2)
 223                 return -1;
 224         wwprintf(w, "%16s    ", r->r_name);
 225         switch (r->r_val.v_type) {
 226         case V_STR:
 227                 wwprintf(w, "%s\n", r->r_val.v_str);
 228                 break;
 229         case V_NUM:
 230                 wwprintf(w, "%d\n", r->r_val.v_num);
 231                 break;
 232         case V_ERR:
 233                 wwprintf(w, "ERROR\n");
 234                 break;
 235         }
 236         return 0;
 237 }
 238
 239 struct lcmd_arg arg_def_shell[] = {
 240         { "",   0,              ARG_ANY|ARG_LIST },
 241         { NULL, 0,              0 }
 242 };
 243
 244 void
 245 l_def_shell(struct value *v, struct value *a)
 246 {
 247         char **pp;
 248         struct value *vp;
 249
 250         if (a->v_type == V_ERR) {
 251                 if ((v->v_str = str_cpy(default_shellfile)) != 0)
 252                         v->v_type = V_STR;
 253                 return;
 254         }
 255         if ((v->v_str = default_shellfile)) {
 256                 v->v_type = V_STR;
 257                 for (pp = default_shell + 1; *pp; pp++) {
 258                         str_free(*pp);
 259                         *pp = NULL;
 260                 }
 261         }
 262         for (pp = default_shell, vp = a;
 263              vp->v_type != V_ERR &&
 264              pp < &default_shell[sizeof default_shell/sizeof *default_shell-1];
 265              pp++, vp++)
 266                 if ((*pp = vp->v_type == V_STR ?
 267                      str_cpy(vp->v_str) : str_itoa(vp->v_num)) == NULL) {
 268                         /* just leave default_shell[] the way it is */
 269                         p_memerror();
 270                         break;
 271                 }
 272         if ((default_shellfile = *default_shell)) {
 273                 if ((*default_shell = strrchr(default_shellfile, '/')))
 274                         (*default_shell)++;
 275                 else
 276                         *default_shell = default_shellfile;
 277         }
 278 }
 279
 280 struct lcmd_arg arg_alias[] = {
 281         { "",   0,              ARG_STR },
 282         { "",   0,              ARG_STR|ARG_LIST },
 283         { NULL, 0,              0 }
 284 };
 285
 286 void
 287 l_alias(struct value *v, struct value *a)
 288 {
 289         if (a->v_type == V_ERR) {
 290                 struct ww *w;
 291
 292                 if ((w = openiwin(wwnrow - 3, "Aliases")) == NULL) {
 293                         error("Can't open alias window: %s.", wwerror());
 294                         return;
 295                 }
 296                 if (alias_walk(printalias, (void *)w) >= 0)
 297                         waitnl(w);
 298                 closeiwin(w);
 299         } else {
 300                 struct alias *ap = NULL;
 301
 302                 if ((ap = alias_lookup(a->v_str))) {
 303                         if ((v->v_str = str_cpy(ap->a_buf)) == 0) {
 304                                 p_memerror();
 305                                 return;
 306                         }
 307                         v->v_type = V_STR;
 308                 }
 309                 if (a[1].v_type == V_STR) {
 310                         struct value *vp;
 311                         char *p, *q;
 312                         char *str;
 313                         int n;
 314
 315                         for (n = 0, vp = a + 1; vp->v_type != V_ERR; vp++, n++)
 316                                 for (p = vp->v_str; *p; p++, n++)
 317                                         ;
 318                         if ((str = str_alloc(n)) == NULL) {
 319                                 p_memerror();
 320                                 return;
 321                         }
 322                         for (q = str, vp = a + 1; vp->v_type != V_ERR;
 323                              vp++, q[-1] = ' ')
 324                                 for (p = vp->v_str; (*q++ = *p++);)
 325                                         ;
 326                         q[-1] = 0;
 327                         if ((ap = alias_set(a[0].v_str, (char *)0)) == NULL) {
 328                                 p_memerror();
 329                                 str_free(str);
 330                                 return;
 331                         }
 332                         ap->a_buf = str;
 333                 }
 334         }
 335 }
 336
 337 int
 338 printalias(void *vw, struct var *a)
 339 {
 340         struct ww *w = vw;
 341         if (more(w, 0) == 2)
 342                 return -1;
 343         wwprintf(w, "%16s    %s\n", a->a_name, a->a_buf);
 344         return 0;
 345 }
 346
 347 struct lcmd_arg arg_unalias[] = {
 348         { "alias",      1,      ARG_STR },
 349         { NULL,         0,      0 }
 350 };
 351
 352 void
 353 l_unalias(struct value *v, struct value *a)
 354 {
 355         if (a->v_type == ARG_STR)
 356                 v->v_num = alias_unset(a->v_str);
 357         v->v_type = V_NUM;
 358 }
 359
 360 struct lcmd_arg arg_echo[] = {
 361         { "window",     1,      ARG_NUM },
 362         { "",           0,      ARG_ANY|ARG_LIST },
 363         { NULL,         0,      0 }
 364 };
 365
 366 void
 367 l_echo(struct value *v __unused, struct value *a)
 368 {
 369         char buf[20];
 370         struct ww *w;
 371
 372         if ((w = vtowin(a++, selwin)) == NULL)
 373                 return;
 374         while (a->v_type != V_ERR) {
 375                 if (a->v_type == V_NUM) {
 376                         (void) sprintf(buf, "%d", a->v_num);
 377                         (void) wwwrite(w, buf, strlen(buf));
 378                 } else
 379                         (void) wwwrite(w, a->v_str, strlen(a->v_str));
 380                 if ((++a)->v_type != V_ERR)
 381                         (void) wwwrite(w, " ", 1);
 382         }
 383         (void) wwwrite(w, "\r\n", 2);
 384 }