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 <string.h>
  22
  23 #include "tmux.h"
  24
  25 /*
  26  * Detach a client.
  27  */
  28
  29 enum cmd_retval  cmd_detach_client_exec(struct cmd *, struct cmd_q *);
  30
  31 const struct cmd_entry cmd_detach_client_entry = {
  32         "detach-client", "detach",
  33         "as:t:P", 0, 0,
  34         "[-P] [-a] [-s target-session] " CMD_TARGET_CLIENT_USAGE,
  35         CMD_READONLY,
  36         NULL,
  37         cmd_detach_client_exec
  38 };
  39
  40 enum cmd_retval
  41 cmd_detach_client_exec(struct cmd *self, struct cmd_q *cmdq)
  42 {
  43         struct args     *args = self->args;
  44         struct client   *c, *c2;
  45         struct session  *s;
  46         enum msgtype     msgtype;
  47         u_int            i;
  48
  49         if (args_has(args, 'P'))
  50                 msgtype = MSG_DETACHKILL;
  51         else
  52                 msgtype = MSG_DETACH;
  53
  54         if (args_has(args, 's')) {
  55                 s = cmd_find_session(cmdq, args_get(args, 's'), 0);
  56                 if (s == NULL)
  57                         return (CMD_RETURN_ERROR);
  58
  59                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
  60                         c = ARRAY_ITEM(&clients, i);
  61                         if (c == NULL || c->session != s)
  62                                 continue;
  63                         server_write_client(c, msgtype, c->session->name,
  64                             strlen(c->session->name) + 1);
  65                 }
  66         } else {
  67                 c = cmd_find_client(cmdq, args_get(args, 't'), 0);
  68                 if (c == NULL)
  69                         return (CMD_RETURN_ERROR);
  70
  71                 if (args_has(args, 'a')) {
  72                         for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
  73                                 c2 = ARRAY_ITEM(&clients, i);
  74                                 if (c2 == NULL || c2->session == NULL ||
  75                                     c2 == c)
  76                                         continue;
  77                                 server_write_client(c2, msgtype,
  78                                     c2->session->name,
  79                                     strlen(c2->session->name) + 1);
  80                         }
  81                 } else {
  82                         server_write_client(c, msgtype, c->session->name,
  83                             strlen(c->session->name) + 1);
  84                 }
  85         }
  86
  87         return (CMD_RETURN_STOP);
  88 }