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 enum cmd_retval  cmd_server_info_exec(struct cmd *, struct cmd_q *);
  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 enum cmd_retval
  47 cmd_server_info_exec(unused struct cmd *self, struct cmd_q *cmdq)
  48 {
  49         struct tty_term                         *term;
  50         struct client                           *c;
  51         struct session                          *s;
  52         struct winlink                          *wl;
  53         struct window                           *w;
  54         struct window_pane                      *wp;
  55         struct tty_code                         *code;
  56         const struct tty_term_code_entry        *ent;
  57         struct utsname                           un;
  58         struct job                              *job;
  59         struct grid                             *gd;
  60         struct grid_line                        *gl;
  61         u_int                                    i, j, k, lines;
  62         size_t                                   size;
  63         char                                     out[80];
  64         char                                    *tim;
  65         time_t                                   t;
  66
  67         tim = ctime(&start_time);
  68         *strchr(tim, '\n') = '\0';
  69         cmdq_print(cmdq, "pid %ld, started %s", (long) getpid(), tim);
  70         cmdq_print(cmdq, "socket path %s, debug level %d", socket_path,
  71             debug_level);
  72         if (uname(&un) >= 0) {
  73                 cmdq_print(cmdq, "system is %s %s %s %s",
  74                     un.sysname, un.release, un.version, un.machine);
  75         }
  76         if (cfg_file != NULL)
  77                 cmdq_print(cmdq, "configuration file is %s", cfg_file);
  78         else
  79                 cmdq_print(cmdq, "configuration file not specified");
  80         cmdq_print(cmdq, "protocol version is %d", PROTOCOL_VERSION);
  81         cmdq_print(cmdq, "%s", "");
  82
  83         cmdq_print(cmdq, "Clients:");
  84         for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
  85                 c = ARRAY_ITEM(&clients, i);
  86                 if (c == NULL || c->session == NULL)
  87                         continue;
  88
  89                 cmdq_print(cmdq,"%2d: %s (%d, %d): %s [%ux%u %s bs=%hho "
  90                     "class=%u] [flags=0x%x/0x%x, references=%u]", i,
  91                     c->tty.path, c->ibuf.fd, c->tty.fd, c->session->name,
  92                     c->tty.sx, c->tty.sy, c->tty.termname,
  93                     c->tty.tio.c_cc[VERASE], c->tty.class,
  94                     c->flags, c->tty.flags, c->references);
  95         }
  96         cmdq_print(cmdq, "%s", "");
  97
  98         cmdq_print(cmdq, "Sessions: [%zu]", sizeof (struct grid_cell));
  99         RB_FOREACH(s, sessions, &sessions) {
 100                 t = s->creation_time.tv_sec;
 101                 tim = ctime(&t);
 102                 *strchr(tim, '\n') = '\0';
 103
 104                 cmdq_print(cmdq, "%2u: %s: %u windows (created %s) [%ux%u] "
 105                     "[flags=0x%x]", s->id, s->name,
 106                     winlink_count(&s->windows), tim, s->sx, s->sy, s->flags);
 107                 RB_FOREACH(wl, winlinks, &s->windows) {
 108                         w = wl->window;
 109                         cmdq_print(cmdq, "%4u: %s [%ux%u] [flags=0x%x, "
 110                             "references=%u, last layout=%d]", wl->idx, w->name,
 111                             w->sx, w->sy, w->flags, w->references,
 112                             w->lastlayout);
 113                         j = 0;
 114                         TAILQ_FOREACH(wp, &w->panes, entry) {
 115                                 lines = size = 0;
 116                                 gd = wp->base.grid;
 117                                 for (k = 0; k < gd->hsize + gd->sy; k++) {
 118                                         gl = &gd->linedata[k];
 119                                         if (gl->celldata == NULL)
 120                                                 continue;
 121                                         lines++;
 122                                         size += gl->cellsize *
 123                                             sizeof *gl->celldata;
 124                                 }
 125                                 cmdq_print(cmdq,
 126                                     "%6u: %s %lu %d %u/%u, %zu bytes", j,
 127                                     wp->tty, (u_long) wp->pid, wp->fd, lines,
 128                                     gd->hsize + gd->sy, size);
 129                                 j++;
 130                         }
 131                 }
 132         }
 133         cmdq_print(cmdq, "%s", "");
 134
 135         cmdq_print(cmdq, "Terminals:");
 136         LIST_FOREACH(term, &tty_terms, entry) {
 137                 cmdq_print(cmdq, "%s [references=%u, flags=0x%x]:",
 138                     term->name, term->references, term->flags);
 139                 for (i = 0; i < NTTYCODE; i++) {
 140                         ent = &tty_term_codes[i];
 141                         code = &term->codes[ent->code];
 142                         switch (code->type) {
 143                         case TTYCODE_NONE:
 144                                 cmdq_print(cmdq, "%2u: %s: [missing]",
 145                                     ent->code, ent->name);
 146                                 break;
 147                         case TTYCODE_STRING:
 148                                 strnvis(out, code->value.string, sizeof out,
 149                                     VIS_OCTAL|VIS_TAB|VIS_NL);
 150                                 cmdq_print(cmdq, "%2u: %s: (string) %s",
 151                                     ent->code, ent->name, out);
 152                                 break;
 153                         case TTYCODE_NUMBER:
 154                                 cmdq_print(cmdq, "%2u: %s: (number) %d",
 155                                     ent->code, ent->name, code->value.number);
 156                                 break;
 157                         case TTYCODE_FLAG:
 158                                 cmdq_print(cmdq, "%2u: %s: (flag) %s",
 159                                     ent->code, ent->name,
 160                                     code->value.flag ? "true" : "false");
 161                                 break;
 162                         }
 163                 }
 164         }
 165         cmdq_print(cmdq, "%s", "");
 166
 167         cmdq_print(cmdq, "Jobs:");
 168         LIST_FOREACH(job, &all_jobs, lentry) {
 169                 cmdq_print(cmdq, "%s [fd=%d, pid=%d, status=%d]",
 170                     job->cmd, job->fd, job->pid, job->status);
 171         }
 172
 173         return (CMD_RETURN_NORMAL);
 174 }