| /* $OpenBSD$ */ |
| |
| /* |
| * 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 <errno.h> |
| #include <fcntl.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.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 = { |
| .name = "attach-session", |
| .alias = "attach", |
| |
| .args = { "c:dErt:", 0, 0 }, |
| .usage = "[-dEr] [-c working-directory] " CMD_TARGET_SESSION_USAGE, |
| |
| .flags = CMD_STARTSERVER|CMD_SESSION_T|CMD_PANE_T|CMD_PREFERUNATTACHED, |
| .exec = cmd_attach_session_exec |
| }; |
| |
| enum cmd_retval |
| cmd_attach_session(struct cmd_q *cmdq, int dflag, int rflag, const char *cflag, |
| int Eflag) |
| { |
| struct session *s = cmdq->state.tflag.s; |
| struct client *c = cmdq->client, *c_loop; |
| struct winlink *wl = cmdq->state.tflag.wl; |
| struct window_pane *wp = cmdq->state.tflag.wp; |
| const char *update; |
| char *cause, *cwd; |
| struct format_tree *ft; |
| |
| if (RB_EMPTY(&sessions)) { |
| cmdq_error(cmdq, "no sessions"); |
| return (CMD_RETURN_ERROR); |
| } |
| |
| if (c == NULL) |
| return (CMD_RETURN_NORMAL); |
| if (server_client_check_nested(c)) { |
| cmdq_error(cmdq, "sessions should be nested with care, " |
| "unset $TMUX to force"); |
| return (CMD_RETURN_ERROR); |
| } |
| |
| if (wl != NULL) { |
| if (wp != NULL) |
| window_set_active_pane(wp->window, wp); |
| session_set_current(s, wl); |
| } |
| |
| if (cflag != NULL) { |
| ft = format_create(cmdq, 0); |
| format_defaults(ft, c, s, wl, wp); |
| cwd = format_expand(ft, cflag); |
| format_free(ft); |
| |
| free((void *)s->cwd); |
| s->cwd = cwd; |
| } |
| |
| if (c->session != NULL) { |
| if (dflag) { |
| TAILQ_FOREACH(c_loop, &clients, entry) { |
| if (c_loop->session != s || c == c_loop) |
| continue; |
| server_client_detach(c, MSG_DETACH); |
| } |
| } |
| |
| if (!Eflag) { |
| update = options_get_string(s->options, |
| "update-environment"); |
| environ_update(update, c->environ, s->environ); |
| } |
| |
| c->session = s; |
| server_client_set_key_table(c, NULL); |
| status_timer_start(c); |
| notify_attached_session_changed(c); |
| session_update_activity(s, NULL); |
| gettimeofday(&s->last_attached_time, NULL); |
| server_redraw_client(c); |
| s->curw->flags &= ~WINLINK_ALERTFLAGS; |
| } else { |
| if (server_client_open(c, &cause) != 0) { |
| cmdq_error(cmdq, "open terminal failed: %s", cause); |
| free(cause); |
| return (CMD_RETURN_ERROR); |
| } |
| |
| if (rflag) |
| c->flags |= CLIENT_READONLY; |
| |
| if (dflag) { |
| TAILQ_FOREACH(c_loop, &clients, entry) { |
| if (c_loop->session != s || c == c_loop) |
| continue; |
| server_client_detach(c_loop, MSG_DETACH); |
| } |
| } |
| |
| if (!Eflag) { |
| update = options_get_string(s->options, |
| "update-environment"); |
| environ_update(update, c->environ, s->environ); |
| } |
| |
| c->session = s; |
| server_client_set_key_table(c, NULL); |
| status_timer_start(c); |
| notify_attached_session_changed(c); |
| session_update_activity(s, NULL); |
| gettimeofday(&s->last_attached_time, NULL); |
| server_redraw_client(c); |
| s->curw->flags &= ~WINLINK_ALERTFLAGS; |
| |
| if (~c->flags & CLIENT_CONTROL) |
| proc_send(c->peer, MSG_READY, -1, NULL, 0); |
| hooks_run(c->session->hooks, "client-attached", c); |
| cmdq->client_exit = 0; |
| } |
| recalculate_sizes(); |
| alerts_check_session(s); |
| 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_has(args, 'd'), |
| args_has(args, 'r'), args_get(args, 'c'), args_has(args, 'E'))); |
| } |