cmd-detach-client.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 "tmux.h"
  22
  23 /*
  24  * Detach a client.
  25  */
  26
  27 enum cmd_retval  cmd_detach_client_exec(struct cmd *, struct cmd_q *);
  28
  29 const struct cmd_entry cmd_detach_client_entry = {
  30         "detach-client", "detach",
  31         "as:t:P", 0, 0,
  32         "[-P] [-a] [-s target-session] " CMD_TARGET_CLIENT_USAGE,
  33         CMD_READONLY,
  34         NULL,
  35         cmd_detach_client_exec
  36 };
  37
  38 enum cmd_retval
  39 cmd_detach_client_exec(struct cmd *self, struct cmd_q *cmdq)
  40 {
  41         struct args     *args = self->args;
  42         struct client   *c, *c2;
  43         struct session  *s;
  44         enum msgtype     msgtype;
  45         u_int            i;
  46
  47         if (args_has(args, 'P'))
  48                 msgtype = MSG_DETACHKILL;
  49         else
  50                 msgtype = MSG_DETACH;
  51
  52         if (args_has(args, 's')) {
  53                 s = cmd_find_session(cmdq, args_get(args, 's'), 0);
  54                 if (s == NULL)
  55                         return (CMD_RETURN_ERROR);
  56
  57                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
  58                         c = ARRAY_ITEM(&clients, i);
  59                         if (c != NULL && c->session == s)
  60                                 server_write_client(c, msgtype, NULL, 0);
  61                 }
  62         } else {
  63                 c = cmd_find_client(cmdq, args_get(args, 't'), 0);
  64                 if (c == NULL)
  65                         return (CMD_RETURN_ERROR);
  66
  67                 if (args_has(args, 'a')) {
  68                         for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
  69                                 c2 = ARRAY_ITEM(&clients, i);
  70                                 if (c2 == NULL || c == c2)
  71                                         continue;
  72                                 server_write_client(c2, msgtype, NULL, 0);
  73                         }
  74                 } else
  75                         server_write_client(c, msgtype, NULL, 0);
  76         }
  77
  78         return (CMD_RETURN_STOP);
  79 }