cmd-server-info.c

   1 /* $Id: cmd-server-info.c,v 1.14 2009-04-02 23:28:16 nicm Exp $ */
   2
   3 /*
   4  * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
  15  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  16  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #include <sys/types.h>
  20 #include <sys/utsname.h>
  21
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <time.h>
  25 #include <unistd.h>
  26 #include <vis.h>
  27
  28 #include "tmux.h"
  29
  30 /*
  31  * Show various information about server.
  32  */
  33
  34 int     cmd_server_info_exec(struct cmd *, struct cmd_ctx *);
  35
  36 const struct cmd_entry cmd_server_info_entry = {
  37         "server-info", "info",
  38         "",
  39         0,
  40         NULL,
  41         NULL,
  42         cmd_server_info_exec,
  43         NULL,
  44         NULL,
  45         NULL,
  46         NULL
  47 };
  48
  49 int
  50 cmd_server_info_exec(unused struct cmd *self, struct cmd_ctx *ctx)
  51 {
  52         struct tty_term                 *term;
  53         struct client                   *c;
  54         struct session                  *s;
  55         struct winlink                  *wl;
  56         struct window                   *w;
  57         struct window_pane              *wp;
  58         struct tty_code                 *code;
  59         struct tty_term_code_entry      *ent;
  60         struct utsname                   un;
  61         struct grid                     *gd;
  62         u_int                            i, j, k;
  63         char                             out[BUFSIZ];
  64         char                            *tim;
  65         time_t                           t;
  66         u_int                            lines, ulines;
  67         size_t                           size, usize;
  68
  69         tim = ctime(&start_time);
  70         *strchr(tim, '\n') = '\0';
  71         ctx->print(ctx,
  72             "tmux " BUILD ", pid %ld, started %s", (long) getpid(), tim);
  73         ctx->print(ctx, "socket path %s, debug level %d%s",
  74             socket_path, debug_level, be_quiet ? ", quiet" : "");
  75         if (uname(&un) == 0) {
  76                 ctx->print(ctx, "system is %s %s %s %s",
  77                     un.sysname, un.release, un.version, un.machine);
  78         }
  79         if (cfg_file != NULL)
  80                 ctx->print(ctx, "configuration file is %s", cfg_file);
  81         else
  82                 ctx->print(ctx, "configuration file not specified");
  83         ctx->print(ctx, "protocol version is %d", PROTOCOL_VERSION);
  84         ctx->print(ctx, "%u clients, %u sessions",
  85             ARRAY_LENGTH(&clients), ARRAY_LENGTH(&sessions));
  86         ctx->print(ctx, "");
  87
  88         ctx->print(ctx, "Clients:");
  89         for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
  90                 c = ARRAY_ITEM(&clients, i);
  91                 if (c == NULL || c->session == NULL)
  92                         continue;
  93
  94                 ctx->print(ctx, "%2d: %p %s (%d, %d): %s [%ux%u %s] "
  95                     "[flags=0x%x/0x%x]", i, c, c->tty.path, c->fd, c->tty.fd,
  96                     c->session->name, c->tty.sx, c->tty.sy, c->tty.termname,
  97                     c->flags, c->tty.flags);
  98         }
  99         ctx->print(ctx, "");
 100
 101         ctx->print(ctx, "Sessions: [%zu/%zu]",
 102             sizeof (struct grid_cell), sizeof (struct grid_utf8));
 103         for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
 104                 s = ARRAY_ITEM(&sessions, i);
 105                 if (s == NULL)
 106                         continue;
 107
 108                 t = s->tv.tv_sec;
 109                 tim = ctime(&t);
 110                 *strchr(tim, '\n') = '\0';
 111
 112                 ctx->print(ctx, "%2u: %p %s: %u windows (created %s) [%ux%u] "
 113                     "[flags=0x%x]", i, s, s->name, winlink_count(&s->windows),
 114                     tim, s->sx, s->sy, s->flags);
 115                 RB_FOREACH(wl, winlinks, &s->windows) {
 116                         w = wl->window;
 117                         ctx->print(ctx, "%4u: %p/%p %s [%ux%u] [flags=0x%x, "
 118                             "references=%u, layout=%u]", wl->idx, wl, w, w->name,
 119                             w->sx, w->sy, w->flags, w->references, w->layout);
 120                         j = 0;
 121                         TAILQ_FOREACH(wp, &w->panes, entry) {
 122                                 lines = ulines = size = usize = 0;
 123                                 gd = wp->base.grid;
 124                                 for (k = 0; k < gd->hsize + gd->sy; k++) {
 125                                         if (gd->data[k] != NULL) {
 126                                                 lines++;
 127                                                 size += gd->size[k] *
 128                                                     sizeof (**gd->data);
 129                                         }
 130                                         if (gd->udata[k] != NULL) {
 131                                                 ulines++;
 132                                                 usize += gd->usize[k] *
 133                                                     sizeof (**gd->udata);
 134                                         }
 135                                 }
 136                                 ctx->print(ctx, "%6u: %p %s %lu %d %u/%u, %zu "
 137                                     "bytes; UTF-8 %u/%u, %zu bytes", j, wp,
 138                                     wp->tty, (u_long) wp->pid, wp->fd, lines,
 139                                     gd->hsize + gd->sy, size, ulines,
 140                                     gd->hsize + gd->sy, usize);
 141                                 j++;
 142                         }
 143                 }
 144         }
 145         ctx->print(ctx, "");
 146
 147         ctx->print(ctx, "Terminals:");
 148         SLIST_FOREACH(term, &tty_terms, entry) {
 149                 ctx->print(ctx, "%s [references=%u, flags=0x%x]:",
 150                     term->name, term->references, term->flags);
 151                 for (i = 0; i < NTTYCODE; i++) {
 152                         ent = &tty_term_codes[i];
 153                         code = &term->codes[ent->code];
 154                         switch (code->type) {
 155                         case TTYCODE_NONE:
 156                                 ctx->print(ctx, "%2u: %s: [missing]",
 157                                     ent->code, ent->name);
 158                                 break;
 159                         case TTYCODE_STRING:
 160                                 strnvis(out, code->value.string,
 161                                     sizeof out, VIS_OCTAL|VIS_WHITE);
 162                                 out[(sizeof out) - 1] = '\0';
 163
 164                                 ctx->print(ctx, "%2u: %s: (string) %s",
 165                                     ent->code, ent->name, out);
 166                                 break;
 167                         case TTYCODE_NUMBER:
 168                                 ctx->print(ctx, "%2u: %s: (number) %d",
 169                                     ent->code, ent->name, code->value.number);
 170                                 break;
 171                         case TTYCODE_FLAG:
 172                                 ctx->print(ctx, "%2u: %s: (flag) %s",
 173                                     ent->code, ent->name,
 174                                     code->value.flag ? "true" : "false");
 175                                 break;
 176                         }
 177                 }
 178         }
 179         ctx->print(ctx, "");
 180
 181         return (0);
 182 }