cmd-server-info.c

   1 /* $OpenBSD$ */
   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         "", 0, 0,
  39         "",
  40         0,
  41         NULL,
  42         NULL,
  43         cmd_server_info_exec
  44 };
  45
  46 /* ARGSUSED */
  47 int
  48 cmd_server_info_exec(unused struct cmd *self, struct cmd_ctx *ctx)
  49 {
  50         struct tty_term                         *term;
  51         struct client                           *c;
  52         struct session                          *s;
  53         struct winlink                          *wl;
  54         struct window                           *w;
  55         struct window_pane                      *wp;
  56         struct tty_code                         *code;
  57         const struct tty_term_code_entry        *ent;
  58         struct utsname                           un;
  59         struct job                              *job;
  60         struct grid                             *gd;
  61         struct grid_line                        *gl;
  62         u_int                                    i, j, k;
  63         char                                     out[80];
  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, "pid %ld, started %s", (long) getpid(), tim);
  72         ctx->print(
  73             ctx, "socket path %s, debug level %d", socket_path, debug_level);
  74         if (uname(&un) >= 0) {
  75                 ctx->print(ctx, "system is %s %s %s %s",
  76                     un.sysname, un.release, un.version, un.machine);
  77         }
  78         if (cfg_file != NULL)
  79                 ctx->print(ctx, "configuration file is %s", cfg_file);
  80         else
  81                 ctx->print(ctx, "configuration file not specified");
  82         ctx->print(ctx, "protocol version is %d", PROTOCOL_VERSION);
  83         ctx->print(ctx, "%s", "");
  84
  85         ctx->print(ctx, "Clients:");
  86         for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
  87                 c = ARRAY_ITEM(&clients, i);
  88                 if (c == NULL || c->session == NULL)
  89                         continue;
  90
  91                 ctx->print(ctx,"%2d: %s (%d, %d): %s [%ux%u %s bs=%hho] "
  92                     "[flags=0x%x/0x%x, references=%u]", i, c->tty.path,
  93                     c->ibuf.fd, c->tty.fd, c->session->name,
  94                     c->tty.sx, c->tty.sy, c->tty.termname,
  95                     c->tty.tio.c_cc[VERASE], c->flags,
  96                     c->tty.flags, c->references);
  97         }
  98         ctx->print(ctx, "%s", "");
  99
 100         ctx->print(ctx, "Sessions: [%zu/%zu]",
 101             sizeof (struct grid_cell), sizeof (struct grid_utf8));
 102         RB_FOREACH(s, sessions, &sessions) {
 103                 t = s->creation_time.tv_sec;
 104                 tim = ctime(&t);
 105                 *strchr(tim, '\n') = '\0';
 106
 107                 ctx->print(ctx, "%2u: %s: %u windows (created %s) [%ux%u] "
 108                     "[flags=0x%x]", s->idx, s->name,
 109                     winlink_count(&s->windows), tim, s->sx, s->sy, s->flags);
 110                 RB_FOREACH(wl, winlinks, &s->windows) {
 111                         w = wl->window;
 112                         ctx->print(ctx, "%4u: %s [%ux%u] [flags=0x%x, "
 113                             "references=%u, last layout=%d]", wl->idx, w->name,
 114                             w->sx, w->sy, w->flags, w->references,
 115                             w->lastlayout);
 116                         j = 0;
 117                         TAILQ_FOREACH(wp, &w->panes, entry) {
 118                                 lines = ulines = size = usize = 0;
 119                                 gd = wp->base.grid;
 120                                 for (k = 0; k < gd->hsize + gd->sy; k++) {
 121                                         gl = &gd->linedata[k];
 122                                         if (gl->celldata != NULL) {
 123                                                 lines++;
 124                                                 size += gl->cellsize *
 125                                                     sizeof *gl->celldata;
 126                                         }
 127                                         if (gl->utf8data != NULL) {
 128                                                 ulines++;
 129                                                 usize += gl->utf8size *
 130                                                     sizeof *gl->utf8data;
 131                                         }
 132                                 }
 133                                 ctx->print(ctx, "%6u: %s %lu %d %u/%u, %zu "
 134                                     "bytes; UTF-8 %u/%u, %zu bytes", j,
 135                                     wp->tty, (u_long) wp->pid, wp->fd, lines,
 136                                     gd->hsize + gd->sy, size, ulines,
 137                                     gd->hsize + gd->sy, usize);
 138                                 j++;
 139                         }
 140                 }
 141         }
 142         ctx->print(ctx, "%s", "");
 143
 144         ctx->print(ctx, "Terminals:");
 145         LIST_FOREACH(term, &tty_terms, entry) {
 146                 ctx->print(ctx, "%s [references=%u, flags=0x%x]:",
 147                     term->name, term->references, term->flags);
 148                 for (i = 0; i < NTTYCODE; i++) {
 149                         ent = &tty_term_codes[i];
 150                         code = &term->codes[ent->code];
 151                         switch (code->type) {
 152                         case TTYCODE_NONE:
 153                                 ctx->print(ctx, "%2u: %s: [missing]",
 154                                     ent->code, ent->name);
 155                                 break;
 156                         case TTYCODE_STRING:
 157                                 strnvis(out, code->value.string, sizeof out,
 158                                     VIS_OCTAL|VIS_TAB|VIS_NL);
 159                                 ctx->print(ctx, "%2u: %s: (string) %s",
 160                                     ent->code, ent->name, out);
 161                                 break;
 162                         case TTYCODE_NUMBER:
 163                                 ctx->print(ctx, "%2u: %s: (number) %d",
 164                                     ent->code, ent->name, code->value.number);
 165                                 break;
 166                         case TTYCODE_FLAG:
 167                                 ctx->print(ctx, "%2u: %s: (flag) %s",
 168                                     ent->code, ent->name,
 169                                     code->value.flag ? "true" : "false");
 170                                 break;
 171                         }
 172                 }
 173         }
 174         ctx->print(ctx, "%s", "");
 175
 176         ctx->print(ctx, "Jobs:");
 177         LIST_FOREACH(job, &all_jobs, lentry) {
 178                 ctx->print(ctx, "%s [fd=%d, pid=%d, status=%d]",
 179                     job->cmd, job->fd, job->pid, job->status);
 180         }
 181
 182         return (0);
 183 }