cmd-list-clients.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2007 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
  21 #include <string.h>
  22 #include <time.h>
  23
  24 #include "tmux.h"
  25
  26 /*
  27  * List all clients.
  28  */
  29
  30 int     cmd_list_clients_exec(struct cmd *, struct cmd_ctx *);
  31
  32 const struct cmd_entry cmd_list_clients_entry = {
  33         "list-clients", "lsc",
  34         "F:t:", 0, 0,
  35         "[-F format] " CMD_TARGET_SESSION_USAGE,
  36         CMD_READONLY,
  37         NULL,
  38         NULL,
  39         cmd_list_clients_exec
  40 };
  41
  42 /* ARGSUSED */
  43 int
  44 cmd_list_clients_exec(struct cmd *self, struct cmd_ctx *ctx)
  45 {
  46         struct args             *args = self->args;
  47         struct client           *c;
  48         struct session          *s;
  49         struct format_tree      *ft;
  50         const char              *template;
  51         u_int                    i;
  52         char                    *line;
  53
  54         if (args_has(args, 't')) {
  55                 s = cmd_find_session(ctx, args_get(args, 't'), 0);
  56                 if (s == NULL)
  57                         return (-1);
  58         } else
  59                 s = NULL;
  60
  61         template = args_get(args, 'F');
  62         if (template == NULL) {
  63                 template = "#{client_tty}: #{session_name} "
  64                     "[#{client_width}x#{client_height} #{client_termname}]"
  65                     "#{?client_utf8, (utf8),}"
  66                     "#{?client_readonly, (ro),}";
  67         }
  68
  69         for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
  70                 c = ARRAY_ITEM(&clients, i);
  71                 if (c == NULL || c->session == NULL)
  72                         continue;
  73
  74                 if (s != NULL && s != c->session)
  75                         continue;
  76
  77                 ft = format_create();
  78                 format_add(ft, "line", "%u", i);
  79                 format_session(ft, c->session);
  80                 format_client(ft, c);
  81
  82                 line = format_expand(ft, template);
  83                 ctx->print(ctx, "%s", line);
  84                 xfree(line);
  85
  86                 format_free(ft);
  87         }
  88
  89         return (0);
  90 }