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/* $Id$ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <stdlib.h>
#include "tmux.h"
/*
* Attach existing session to the current terminal.
*/
enum cmd_retval cmd_attach_session_exec(struct cmd *, struct cmd_q *);
const struct cmd_entry cmd_attach_session_entry = {
"attach-session", "attach",
"drt:", 0, 0,
"[-dr] " CMD_TARGET_SESSION_USAGE,
CMD_CANTNEST|CMD_STARTSERVER|CMD_SENDENVIRON,
NULL,
NULL,
cmd_attach_session_exec
};
enum cmd_retval
cmd_attach_session(struct cmd_q *cmdq, const char* tflag, int dflag, int rflag)
{
struct session *s;
struct client *c;
const char *update;
char *cause;
u_int i;
if (RB_EMPTY(&sessions)) {
cmdq_error(cmdq, "no sessions");
return (CMD_RETURN_ERROR);
}
if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
return (CMD_RETURN_ERROR);
if (cmdq->client == NULL)
return (CMD_RETURN_NORMAL);
if (cmdq->client->session != NULL) {
if (dflag) {
/*
* Can't use server_write_session in case attaching to
* the same session as currently attached to.
*/
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session != s)
continue;
if (c == cmdq->client)
continue;
server_write_client(c, MSG_DETACH, NULL, 0);
}
}
cmdq->client->session = s;
notify_attached_session_changed(cmdq->client);
session_update_activity(s);
server_redraw_client(cmdq->client);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
} else {
if (server_client_open(cmdq->client, s, &cause) != 0) {
cmdq_error(cmdq, "open terminal failed: %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
if (rflag)
cmdq->client->flags |= CLIENT_READONLY;
if (dflag)
server_write_session(s, MSG_DETACH, NULL, 0);
update = options_get_string(&s->options, "update-environment");
environ_update(update, &cmdq->client->environ, &s->environ);
cmdq->client->session = s;
notify_attached_session_changed(cmdq->client);
session_update_activity(s);
server_redraw_client(cmdq->client);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
server_write_ready(cmdq->client);
cmdq->client_exit = 0;
}
recalculate_sizes();
server_update_socket();
return (CMD_RETURN_NORMAL);
}
enum cmd_retval
cmd_attach_session_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
return (cmd_attach_session(cmdq, args_get(args, 't'),
args_has(args, 'd'), args_has(args, 'r')));
}