2014-11-08 12:27:43 +00:00
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/* $OpenBSD$ */
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2007-07-09 19:04:12 +00:00
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/*
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2016-01-19 15:59:12 +00:00
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* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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2007-07-09 19:04:12 +00:00
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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2008-08-28 17:45:30 +00:00
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#include <sys/time.h>
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2007-07-09 19:04:12 +00:00
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#include <string.h>
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2007-08-27 09:53:38 +00:00
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#include <stdlib.h>
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2007-09-27 09:15:58 +00:00
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#include <unistd.h>
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2009-10-11 23:30:28 +00:00
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#include <time.h>
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2007-07-09 19:04:12 +00:00
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#include "tmux.h"
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2016-10-10 21:29:23 +00:00
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struct sessions sessions;
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static u_int next_session_id;
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struct session_groups session_groups;
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2007-07-09 19:04:12 +00:00
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2016-10-10 21:29:23 +00:00
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static void session_free(int, short, void *);
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2015-06-05 18:18:32 +00:00
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2016-10-10 21:29:23 +00:00
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static void session_lock_timer(int, short, void *);
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2015-08-28 13:12:20 +00:00
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2016-10-10 21:29:23 +00:00
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static struct winlink *session_next_alert(struct winlink *);
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static struct winlink *session_previous_alert(struct winlink *);
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2009-06-01 22:58:49 +00:00
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2016-10-11 13:21:59 +00:00
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static void session_group_remove(struct session *);
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static u_int session_group_count(struct session_group *);
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static void session_group_synchronize1(struct session *, struct session *);
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2008-06-06 17:55:27 +00:00
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2017-02-09 15:04:53 +00:00
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static u_int session_group_count(struct session_group *);
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static void session_group_synchronize1(struct session *, struct session *);
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2010-12-22 15:36:44 +00:00
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RB_GENERATE(sessions, session, entry, session_cmp);
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int
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session_cmp(struct session *s1, struct session *s2)
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{
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return (strcmp(s1->name, s2->name));
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}
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2017-02-09 15:04:53 +00:00
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RB_GENERATE(session_groups, session_group, entry, session_group_cmp);
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int
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session_group_cmp(struct session_group *s1, struct session_group *s2)
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{
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return (strcmp(s1->name, s2->name));
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}
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2010-12-22 15:28:51 +00:00
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/*
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* Find if session is still alive. This is true if it is still on the global
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* sessions list.
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*/
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int
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session_alive(struct session *s)
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{
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2010-12-22 15:36:44 +00:00
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struct session *s_loop;
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2010-12-22 15:28:51 +00:00
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2010-12-22 15:36:44 +00:00
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RB_FOREACH(s_loop, sessions, &sessions) {
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if (s_loop == s)
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return (1);
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}
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return (0);
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2010-12-22 15:28:51 +00:00
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}
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2007-07-09 19:04:12 +00:00
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/* Find session by name. */
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struct session *
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session_find(const char *name)
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2010-12-22 15:36:44 +00:00
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{
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struct session s;
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s.name = (char *) name;
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return (RB_FIND(sessions, &sessions, &s));
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}
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2015-04-25 18:09:28 +00:00
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/* Find session by id parsed from a string. */
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struct session *
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session_find_by_id_str(const char *s)
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{
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const char *errstr;
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u_int id;
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if (*s != '$')
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return (NULL);
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id = strtonum(s + 1, 0, UINT_MAX, &errstr);
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if (errstr != NULL)
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return (NULL);
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return (session_find_by_id(id));
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}
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2013-03-07 10:07:22 +00:00
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/* Find session by id. */
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2010-12-22 15:36:44 +00:00
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struct session *
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2013-03-07 10:07:22 +00:00
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session_find_by_id(u_int id)
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2007-07-09 19:04:12 +00:00
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{
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struct session *s;
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2010-12-22 15:36:44 +00:00
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RB_FOREACH(s, sessions, &sessions) {
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2013-03-07 10:07:22 +00:00
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if (s->id == id)
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2007-07-09 19:04:12 +00:00
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return (s);
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}
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return (NULL);
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}
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/* Create a new session. */
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struct session *
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2017-02-09 15:04:53 +00:00
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session_create(const char *prefix, const char *name, int argc, char **argv,
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const char *path, const char *cwd, struct environ *env, struct termios *tio,
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int idx, u_int sx, u_int sy, char **cause)
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2007-07-09 19:04:12 +00:00
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{
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struct session *s;
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2014-05-13 08:08:32 +00:00
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struct winlink *wl;
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2007-07-09 19:04:12 +00:00
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2015-08-28 13:12:20 +00:00
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s = xcalloc(1, sizeof *s);
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2015-06-05 18:18:32 +00:00
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s->references = 1;
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2009-01-10 14:43:43 +00:00
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s->flags = 0;
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2009-09-07 23:59:19 +00:00
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2015-10-31 08:13:58 +00:00
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s->cwd = xstrdup(cwd);
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2010-07-02 02:49:19 +00:00
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2008-11-16 10:10:26 +00:00
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s->curw = NULL;
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2009-10-11 23:38:16 +00:00
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TAILQ_INIT(&s->lastw);
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2007-10-26 12:29:07 +00:00
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RB_INIT(&s->windows);
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2009-09-07 23:59:19 +00:00
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2015-10-28 09:51:55 +00:00
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s->environ = environ_create();
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2009-08-09 17:48:55 +00:00
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if (env != NULL)
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2015-10-28 09:51:55 +00:00
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environ_copy(env, s->environ);
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2015-12-08 01:10:31 +00:00
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2015-10-27 15:58:42 +00:00
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s->options = options_create(global_s_options);
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2015-12-08 01:10:31 +00:00
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s->hooks = hooks_create(global_hooks);
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2009-09-16 12:36:28 +00:00
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2017-02-03 21:01:02 +00:00
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status_update_saved(s);
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2009-09-16 12:36:28 +00:00
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s->tio = NULL;
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if (tio != NULL) {
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s->tio = xmalloc(sizeof *s->tio);
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memcpy(s->tio, tio, sizeof *s->tio);
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}
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2008-06-18 22:21:51 +00:00
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2007-10-03 23:32:26 +00:00
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s->sx = sx;
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s->sy = sy;
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2011-08-21 12:35:47 +00:00
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if (name != NULL) {
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2007-10-03 21:31:07 +00:00
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s->name = xstrdup(name);
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2013-03-07 10:07:22 +00:00
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s->id = next_session_id++;
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2011-08-21 12:35:47 +00:00
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} else {
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s->name = NULL;
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do {
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2013-03-07 10:07:22 +00:00
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s->id = next_session_id++;
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2014-10-22 23:18:53 +00:00
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free(s->name);
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2017-02-09 15:04:53 +00:00
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if (prefix != NULL)
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xasprintf(&s->name, "%s-%u", prefix, s->id);
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else
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xasprintf(&s->name, "%u", s->id);
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2011-08-21 12:35:47 +00:00
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} while (RB_FIND(sessions, &sessions, s) != NULL);
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}
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2010-12-22 15:36:44 +00:00
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RB_INSERT(sessions, &sessions, s);
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2009-12-04 22:14:47 +00:00
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2015-11-18 09:22:29 +00:00
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log_debug("new session %s $%u", s->name, s->id);
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2015-08-28 13:12:20 +00:00
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if (gettimeofday(&s->creation_time, NULL) != 0)
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fatal("gettimeofday failed");
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session_update_activity(s, &s->creation_time);
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2014-05-13 08:08:32 +00:00
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if (argc >= 0) {
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wl = session_new(s, NULL, argc, argv, path, cwd, idx, cause);
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if (wl == NULL) {
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2009-10-11 23:38:16 +00:00
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session_destroy(s);
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return (NULL);
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}
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session_select(s, RB_ROOT(&s->windows)->idx);
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2007-09-27 09:15:58 +00:00
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}
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2008-06-02 21:08:36 +00:00
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log_debug("session %s created", s->name);
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2007-07-09 19:04:12 +00:00
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return (s);
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}
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2015-06-05 18:18:32 +00:00
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/* Remove a reference from a session. */
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void
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session_unref(struct session *s)
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{
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log_debug("session %s has %d references", s->name, s->references);
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s->references--;
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if (s->references == 0)
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event_once(-1, EV_TIMEOUT, session_free, s, NULL);
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}
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/* Free session. */
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2016-10-10 21:29:23 +00:00
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static void
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2015-11-18 14:27:44 +00:00
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session_free(__unused int fd, __unused short events, void *arg)
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2015-06-05 18:18:32 +00:00
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{
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struct session *s = arg;
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2015-09-01 18:50:16 +00:00
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log_debug("session %s freed (%d references)", s->name, s->references);
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2015-06-05 18:18:32 +00:00
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2015-08-28 13:16:03 +00:00
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if (s->references == 0) {
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2015-10-28 09:51:55 +00:00
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environ_free(s->environ);
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2015-12-08 01:10:31 +00:00
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2015-10-27 15:58:42 +00:00
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options_free(s->options);
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2015-12-08 01:10:31 +00:00
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hooks_free(s->hooks);
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2015-10-27 15:58:42 +00:00
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2015-08-28 13:16:03 +00:00
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free(s->name);
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2015-06-05 18:18:32 +00:00
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free(s);
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2015-08-28 13:16:03 +00:00
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}
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2015-06-05 18:18:32 +00:00
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}
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2007-07-09 19:04:12 +00:00
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/* Destroy a session. */
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void
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session_destroy(struct session *s)
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{
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2012-03-18 02:22:09 +00:00
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struct winlink *wl;
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2013-08-01 22:38:35 +00:00
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2008-06-02 21:08:36 +00:00
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log_debug("session %s destroyed", s->name);
|
2016-10-15 00:12:58 +00:00
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s->curw = NULL;
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2008-06-02 21:08:36 +00:00
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2010-12-22 15:36:44 +00:00
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RB_REMOVE(sessions, &sessions, s);
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2016-10-16 22:06:40 +00:00
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notify_session("session-closed", s);
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2007-12-06 09:46:23 +00:00
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2012-07-11 19:34:16 +00:00
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free(s->tio);
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2009-09-16 12:36:28 +00:00
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2015-08-28 13:12:20 +00:00
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if (event_initialized(&s->lock_timer))
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event_del(&s->lock_timer);
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2009-10-11 23:38:16 +00:00
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session_group_remove(s);
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2008-06-03 21:42:37 +00:00
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2009-10-11 23:38:16 +00:00
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while (!TAILQ_EMPTY(&s->lastw))
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winlink_stack_remove(&s->lastw, TAILQ_FIRST(&s->lastw));
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2012-03-18 02:22:09 +00:00
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while (!RB_EMPTY(&s->windows)) {
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wl = RB_ROOT(&s->windows);
|
2016-10-16 22:06:40 +00:00
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notify_session_window("window-unlinked", s, wl->window);
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2012-03-18 02:22:09 +00:00
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winlink_remove(&s->windows, wl);
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}
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2007-07-09 19:04:12 +00:00
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2015-10-31 08:13:58 +00:00
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free((void *)s->cwd);
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2009-12-04 22:14:47 +00:00
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2015-06-05 18:18:32 +00:00
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session_unref(s);
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2007-07-09 19:04:12 +00:00
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}
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2014-01-22 14:00:08 +00:00
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/* Check a session name is valid: not empty and no colons or periods. */
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2011-04-06 22:29:26 +00:00
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int
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session_check_name(const char *name)
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{
|
2014-01-22 14:00:08 +00:00
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return (*name != '\0' && name[strcspn(name, ":.")] == '\0');
|
2011-04-06 22:29:26 +00:00
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}
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2015-08-28 13:12:20 +00:00
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/* Lock session if it has timed out. */
|
2016-10-10 21:29:23 +00:00
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static void
|
2015-11-18 14:27:44 +00:00
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session_lock_timer(__unused int fd, __unused short events, void *arg)
|
2011-01-03 23:27:54 +00:00
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{
|
2015-08-28 13:12:20 +00:00
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struct session *s = arg;
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if (s->flags & SESSION_UNATTACHED)
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return;
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log_debug("session %s locked, activity time %lld", s->name,
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(long long)s->activity_time.tv_sec);
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server_lock_session(s);
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recalculate_sizes();
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}
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|
2015-08-28 13:01:03 +00:00
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/* Update activity time. */
|
2011-01-01 01:12:09 +00:00
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void
|
2015-08-28 13:01:03 +00:00
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|
|
session_update_activity(struct session *s, struct timeval *from)
|
2011-01-01 01:12:09 +00:00
|
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|
{
|
2015-08-28 13:01:03 +00:00
|
|
|
struct timeval *last = &s->last_activity_time;
|
2015-08-28 13:12:20 +00:00
|
|
|
struct timeval tv;
|
2015-08-28 13:01:03 +00:00
|
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memcpy(last, &s->activity_time, sizeof *last);
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|
|
if (from == NULL)
|
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gettimeofday(&s->activity_time, NULL);
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else
|
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|
|
memcpy(&s->activity_time, from, sizeof s->activity_time);
|
2015-08-28 13:12:20 +00:00
|
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|
2015-11-18 09:22:29 +00:00
|
|
|
log_debug("session %s activity %lld.%06d (last %lld.%06d)", s->name,
|
|
|
|
(long long)s->activity_time.tv_sec, (int)s->activity_time.tv_usec,
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|
|
|
(long long)last->tv_sec, (int)last->tv_usec);
|
|
|
|
|
2015-08-28 13:12:20 +00:00
|
|
|
if (evtimer_initialized(&s->lock_timer))
|
|
|
|
evtimer_del(&s->lock_timer);
|
|
|
|
else
|
|
|
|
evtimer_set(&s->lock_timer, session_lock_timer, s);
|
|
|
|
|
|
|
|
if (~s->flags & SESSION_UNATTACHED) {
|
|
|
|
timerclear(&tv);
|
2015-10-27 15:58:42 +00:00
|
|
|
tv.tv_sec = options_get_number(s->options, "lock-after-time");
|
2015-08-28 13:12:20 +00:00
|
|
|
if (tv.tv_sec != 0)
|
|
|
|
evtimer_add(&s->lock_timer, &tv);
|
|
|
|
}
|
2011-01-03 23:27:54 +00:00
|
|
|
}
|
|
|
|
|
2010-09-10 13:36:17 +00:00
|
|
|
/* Find the next usable session. */
|
|
|
|
struct session *
|
|
|
|
session_next_session(struct session *s)
|
|
|
|
{
|
|
|
|
struct session *s2;
|
|
|
|
|
2010-12-22 15:36:44 +00:00
|
|
|
if (RB_EMPTY(&sessions) || !session_alive(s))
|
2010-09-10 13:36:17 +00:00
|
|
|
return (NULL);
|
|
|
|
|
2011-01-21 23:53:01 +00:00
|
|
|
s2 = RB_NEXT(sessions, &sessions, s);
|
2011-01-21 23:52:36 +00:00
|
|
|
if (s2 == NULL)
|
|
|
|
s2 = RB_MIN(sessions, &sessions);
|
2010-12-22 15:36:44 +00:00
|
|
|
if (s2 == s)
|
|
|
|
return (NULL);
|
2010-09-10 13:36:17 +00:00
|
|
|
return (s2);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Find the previous usable session. */
|
|
|
|
struct session *
|
|
|
|
session_previous_session(struct session *s)
|
|
|
|
{
|
|
|
|
struct session *s2;
|
|
|
|
|
2010-12-22 15:36:44 +00:00
|
|
|
if (RB_EMPTY(&sessions) || !session_alive(s))
|
2010-09-10 13:36:17 +00:00
|
|
|
return (NULL);
|
|
|
|
|
2011-01-21 23:53:01 +00:00
|
|
|
s2 = RB_PREV(sessions, &sessions, s);
|
2011-01-21 23:52:36 +00:00
|
|
|
if (s2 == NULL)
|
|
|
|
s2 = RB_MAX(sessions, &sessions);
|
2010-12-22 15:36:44 +00:00
|
|
|
if (s2 == s)
|
|
|
|
return (NULL);
|
2010-09-10 13:36:17 +00:00
|
|
|
return (s2);
|
|
|
|
}
|
|
|
|
|
2007-07-09 19:04:12 +00:00
|
|
|
/* Create a new window on a session. */
|
2007-10-26 12:29:07 +00:00
|
|
|
struct winlink *
|
2014-05-13 08:08:32 +00:00
|
|
|
session_new(struct session *s, const char *name, int argc, char **argv,
|
2015-10-31 08:13:58 +00:00
|
|
|
const char *path, const char *cwd, int idx, char **cause)
|
2007-07-09 19:04:12 +00:00
|
|
|
{
|
|
|
|
struct window *w;
|
2011-02-15 15:09:52 +00:00
|
|
|
struct winlink *wl;
|
2015-10-28 09:51:55 +00:00
|
|
|
struct environ *env;
|
2009-09-02 01:02:44 +00:00
|
|
|
const char *shell;
|
2009-03-07 10:11:20 +00:00
|
|
|
u_int hlimit;
|
2007-07-09 19:04:12 +00:00
|
|
|
|
2011-02-15 15:09:52 +00:00
|
|
|
if ((wl = winlink_add(&s->windows, idx)) == NULL) {
|
|
|
|
xasprintf(cause, "index in use: %d", idx);
|
|
|
|
return (NULL);
|
|
|
|
}
|
2016-10-19 09:22:07 +00:00
|
|
|
wl->session = s;
|
2011-02-15 15:09:52 +00:00
|
|
|
|
2015-10-27 15:58:42 +00:00
|
|
|
shell = options_get_string(s->options, "default-shell");
|
2009-09-02 01:02:44 +00:00
|
|
|
if (*shell == '\0' || areshell(shell))
|
|
|
|
shell = _PATH_BSHELL;
|
|
|
|
|
2015-10-27 15:58:42 +00:00
|
|
|
hlimit = options_get_number(s->options, "history-limit");
|
2017-03-09 17:02:38 +00:00
|
|
|
env = environ_for_session(s);
|
2016-10-15 09:27:52 +00:00
|
|
|
w = window_create_spawn(name, argc, argv, path, shell, cwd, env, s->tio,
|
2014-05-13 08:08:32 +00:00
|
|
|
s->sx, s->sy, hlimit, cause);
|
2009-08-09 17:48:55 +00:00
|
|
|
if (w == NULL) {
|
2011-02-15 15:09:52 +00:00
|
|
|
winlink_remove(&s->windows, wl);
|
2015-10-28 09:51:55 +00:00
|
|
|
environ_free(env);
|
2007-10-26 12:29:07 +00:00
|
|
|
return (NULL);
|
2009-08-09 17:48:55 +00:00
|
|
|
}
|
2011-02-15 15:09:52 +00:00
|
|
|
winlink_set_window(wl, w);
|
2015-10-28 09:51:55 +00:00
|
|
|
environ_free(env);
|
2017-03-09 17:02:38 +00:00
|
|
|
notify_session_window("window-linked", s, w);
|
2008-06-29 07:04:31 +00:00
|
|
|
|
2011-02-15 15:09:52 +00:00
|
|
|
session_group_synchronize_from(s);
|
|
|
|
return (wl);
|
2007-07-09 19:04:12 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Attach a window to a session. */
|
2007-10-26 12:29:07 +00:00
|
|
|
struct winlink *
|
2009-01-23 16:59:14 +00:00
|
|
|
session_attach(struct session *s, struct window *w, int idx, char **cause)
|
2007-07-09 19:04:12 +00:00
|
|
|
{
|
2009-01-23 16:59:14 +00:00
|
|
|
struct winlink *wl;
|
|
|
|
|
2011-02-15 15:09:52 +00:00
|
|
|
if ((wl = winlink_add(&s->windows, idx)) == NULL) {
|
2009-01-23 16:59:14 +00:00
|
|
|
xasprintf(cause, "index in use: %d", idx);
|
2011-02-15 15:09:52 +00:00
|
|
|
return (NULL);
|
|
|
|
}
|
2016-10-19 09:22:07 +00:00
|
|
|
wl->session = s;
|
2011-02-15 15:09:52 +00:00
|
|
|
winlink_set_window(wl, w);
|
2016-10-16 22:06:40 +00:00
|
|
|
notify_session_window("window-linked", s, w);
|
2011-02-15 15:09:52 +00:00
|
|
|
|
2009-10-11 23:38:16 +00:00
|
|
|
session_group_synchronize_from(s);
|
2009-01-23 16:59:14 +00:00
|
|
|
return (wl);
|
2007-07-09 19:04:12 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Detach a window from a session. */
|
2007-08-27 20:36:52 +00:00
|
|
|
int
|
2007-10-26 12:29:07 +00:00
|
|
|
session_detach(struct session *s, struct winlink *wl)
|
2007-07-09 19:04:12 +00:00
|
|
|
{
|
2009-01-18 18:31:45 +00:00
|
|
|
if (s->curw == wl &&
|
2016-10-15 00:12:58 +00:00
|
|
|
session_last(s) != 0 &&
|
|
|
|
session_previous(s, 0) != 0)
|
2009-01-18 18:31:45 +00:00
|
|
|
session_next(s, 0);
|
2007-09-21 20:45:06 +00:00
|
|
|
|
2010-06-22 23:26:18 +00:00
|
|
|
wl->flags &= ~WINLINK_ALERTFLAGS;
|
2016-10-16 22:06:40 +00:00
|
|
|
notify_session_window("window-unlinked", s, wl->window);
|
2008-11-16 10:10:26 +00:00
|
|
|
winlink_stack_remove(&s->lastw, wl);
|
2007-10-26 12:29:07 +00:00
|
|
|
winlink_remove(&s->windows, wl);
|
2016-10-15 00:12:58 +00:00
|
|
|
|
2009-10-11 23:38:16 +00:00
|
|
|
session_group_synchronize_from(s);
|
2016-10-15 00:12:58 +00:00
|
|
|
|
2007-10-26 12:29:07 +00:00
|
|
|
if (RB_EMPTY(&s->windows)) {
|
2007-09-21 18:35:16 +00:00
|
|
|
session_destroy(s);
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
return (0);
|
2007-08-27 12:05:15 +00:00
|
|
|
}
|
|
|
|
|
2007-07-09 19:04:12 +00:00
|
|
|
/* Return if session has window. */
|
2015-04-22 15:32:33 +00:00
|
|
|
int
|
2007-07-09 19:04:12 +00:00
|
|
|
session_has(struct session *s, struct window *w)
|
|
|
|
{
|
2007-10-26 12:29:07 +00:00
|
|
|
struct winlink *wl;
|
2007-07-09 19:04:12 +00:00
|
|
|
|
2016-10-19 09:22:07 +00:00
|
|
|
TAILQ_FOREACH(wl, &w->winlinks, wentry) {
|
|
|
|
if (wl->session == s)
|
2015-04-22 15:32:33 +00:00
|
|
|
return (1);
|
2007-10-26 12:29:07 +00:00
|
|
|
}
|
2015-04-22 15:32:33 +00:00
|
|
|
return (0);
|
2007-07-09 19:04:12 +00:00
|
|
|
}
|
|
|
|
|
2015-05-06 08:35:39 +00:00
|
|
|
/*
|
|
|
|
* Return 1 if a window is linked outside this session (not including session
|
|
|
|
* groups). The window must be in this session!
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
session_is_linked(struct session *s, struct window *w)
|
|
|
|
{
|
|
|
|
struct session_group *sg;
|
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
if ((sg = session_group_contains(s)) != NULL)
|
2015-05-06 08:35:39 +00:00
|
|
|
return (w->references != session_group_count(sg));
|
|
|
|
return (w->references != 1);
|
|
|
|
}
|
|
|
|
|
2016-10-10 21:29:23 +00:00
|
|
|
static struct winlink *
|
2010-06-22 23:26:18 +00:00
|
|
|
session_next_alert(struct winlink *wl)
|
2009-01-18 18:31:45 +00:00
|
|
|
{
|
|
|
|
while (wl != NULL) {
|
2010-06-22 23:26:18 +00:00
|
|
|
if (wl->flags & WINLINK_ALERTFLAGS)
|
2009-05-19 13:32:55 +00:00
|
|
|
break;
|
2009-11-28 14:50:37 +00:00
|
|
|
wl = winlink_next(wl);
|
2009-01-18 18:31:45 +00:00
|
|
|
}
|
|
|
|
return (wl);
|
|
|
|
}
|
|
|
|
|
2007-07-09 19:04:12 +00:00
|
|
|
/* Move session to next window. */
|
|
|
|
int
|
2010-06-22 23:22:31 +00:00
|
|
|
session_next(struct session *s, int alert)
|
2007-07-09 19:04:12 +00:00
|
|
|
{
|
2007-10-26 12:29:07 +00:00
|
|
|
struct winlink *wl;
|
2007-07-09 19:04:12 +00:00
|
|
|
|
2007-10-26 12:29:07 +00:00
|
|
|
if (s->curw == NULL)
|
2007-07-09 19:04:12 +00:00
|
|
|
return (-1);
|
|
|
|
|
2009-11-28 14:50:37 +00:00
|
|
|
wl = winlink_next(s->curw);
|
2010-06-22 23:22:31 +00:00
|
|
|
if (alert)
|
2010-06-22 23:26:18 +00:00
|
|
|
wl = session_next_alert(wl);
|
2009-01-18 18:31:45 +00:00
|
|
|
if (wl == NULL) {
|
2007-10-26 12:29:07 +00:00
|
|
|
wl = RB_MIN(winlinks, &s->windows);
|
2010-06-22 23:26:18 +00:00
|
|
|
if (alert && ((wl = session_next_alert(wl)) == NULL))
|
2009-01-18 18:31:45 +00:00
|
|
|
return (-1);
|
|
|
|
}
|
2013-02-21 16:54:13 +00:00
|
|
|
return (session_set_current(s, wl));
|
2007-07-09 19:04:12 +00:00
|
|
|
}
|
|
|
|
|
2016-10-10 21:29:23 +00:00
|
|
|
static struct winlink *
|
2010-06-22 23:26:18 +00:00
|
|
|
session_previous_alert(struct winlink *wl)
|
2009-01-18 18:31:45 +00:00
|
|
|
{
|
|
|
|
while (wl != NULL) {
|
2010-06-22 23:26:18 +00:00
|
|
|
if (wl->flags & WINLINK_ALERTFLAGS)
|
2009-05-19 13:32:55 +00:00
|
|
|
break;
|
2009-11-28 14:50:37 +00:00
|
|
|
wl = winlink_previous(wl);
|
2009-01-18 18:31:45 +00:00
|
|
|
}
|
|
|
|
return (wl);
|
|
|
|
}
|
|
|
|
|
2007-12-06 09:46:23 +00:00
|
|
|
/* Move session to previous window. */
|
2007-07-09 19:04:12 +00:00
|
|
|
int
|
2010-06-22 23:22:31 +00:00
|
|
|
session_previous(struct session *s, int alert)
|
2007-07-09 19:04:12 +00:00
|
|
|
{
|
2007-10-26 12:29:07 +00:00
|
|
|
struct winlink *wl;
|
2007-07-09 19:04:12 +00:00
|
|
|
|
2007-10-26 12:29:07 +00:00
|
|
|
if (s->curw == NULL)
|
2007-07-09 19:04:12 +00:00
|
|
|
return (-1);
|
|
|
|
|
2009-11-28 14:50:37 +00:00
|
|
|
wl = winlink_previous(s->curw);
|
2010-06-22 23:22:31 +00:00
|
|
|
if (alert)
|
2010-06-22 23:26:18 +00:00
|
|
|
wl = session_previous_alert(wl);
|
2009-01-18 18:31:45 +00:00
|
|
|
if (wl == NULL) {
|
2007-10-26 12:29:07 +00:00
|
|
|
wl = RB_MAX(winlinks, &s->windows);
|
2010-06-22 23:26:18 +00:00
|
|
|
if (alert && (wl = session_previous_alert(wl)) == NULL)
|
2009-01-18 18:31:45 +00:00
|
|
|
return (-1);
|
|
|
|
}
|
2013-02-21 16:54:13 +00:00
|
|
|
return (session_set_current(s, wl));
|
2007-07-09 19:04:12 +00:00
|
|
|
}
|
|
|
|
|
2007-12-06 09:46:23 +00:00
|
|
|
/* Move session to specific window. */
|
2007-07-09 19:04:12 +00:00
|
|
|
int
|
2007-10-26 16:57:32 +00:00
|
|
|
session_select(struct session *s, int idx)
|
2007-07-09 19:04:12 +00:00
|
|
|
{
|
2007-10-26 12:29:07 +00:00
|
|
|
struct winlink *wl;
|
2007-07-09 19:04:12 +00:00
|
|
|
|
2007-10-26 16:57:32 +00:00
|
|
|
wl = winlink_find_by_index(&s->windows, idx);
|
2013-02-21 16:54:13 +00:00
|
|
|
return (session_set_current(s, wl));
|
2007-09-20 18:03:23 +00:00
|
|
|
}
|
|
|
|
|
2007-12-06 09:46:23 +00:00
|
|
|
/* Move session to last used window. */
|
2007-09-20 18:03:23 +00:00
|
|
|
int
|
|
|
|
session_last(struct session *s)
|
|
|
|
{
|
2007-10-26 12:29:07 +00:00
|
|
|
struct winlink *wl;
|
2007-09-20 18:03:23 +00:00
|
|
|
|
2009-10-11 23:38:16 +00:00
|
|
|
wl = TAILQ_FIRST(&s->lastw);
|
2007-10-26 12:29:07 +00:00
|
|
|
if (wl == NULL)
|
2007-09-20 18:03:23 +00:00
|
|
|
return (-1);
|
2007-12-06 09:46:23 +00:00
|
|
|
if (wl == s->curw)
|
2007-09-20 18:03:23 +00:00
|
|
|
return (1);
|
|
|
|
|
2013-02-21 16:54:13 +00:00
|
|
|
return (session_set_current(s, wl));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set current winlink to wl .*/
|
|
|
|
int
|
|
|
|
session_set_current(struct session *s, struct winlink *wl)
|
|
|
|
{
|
|
|
|
if (wl == NULL)
|
|
|
|
return (-1);
|
|
|
|
if (wl == s->curw)
|
|
|
|
return (1);
|
|
|
|
|
2008-11-16 10:10:26 +00:00
|
|
|
winlink_stack_remove(&s->lastw, wl);
|
|
|
|
winlink_stack_push(&s->lastw, s->curw);
|
2007-10-26 12:29:07 +00:00
|
|
|
s->curw = wl;
|
2012-07-11 17:06:11 +00:00
|
|
|
winlink_clear_flags(wl);
|
2015-08-29 08:30:54 +00:00
|
|
|
window_update_activity(wl->window);
|
2007-07-09 19:04:12 +00:00
|
|
|
return (0);
|
|
|
|
}
|
2009-10-11 23:38:16 +00:00
|
|
|
|
|
|
|
/* Find the session group containing a session. */
|
|
|
|
struct session_group *
|
2017-02-09 15:04:53 +00:00
|
|
|
session_group_contains(struct session *target)
|
2009-10-11 23:38:16 +00:00
|
|
|
{
|
|
|
|
struct session_group *sg;
|
|
|
|
struct session *s;
|
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
RB_FOREACH(sg, session_groups, &session_groups) {
|
2009-10-11 23:38:16 +00:00
|
|
|
TAILQ_FOREACH(s, &sg->sessions, gentry) {
|
|
|
|
if (s == target)
|
|
|
|
return (sg);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return (NULL);
|
|
|
|
}
|
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
/* Find session group by name. */
|
|
|
|
struct session_group *
|
|
|
|
session_group_find(const char *name)
|
2009-10-11 23:38:16 +00:00
|
|
|
{
|
2017-02-09 15:04:53 +00:00
|
|
|
struct session_group sg;
|
2009-10-11 23:38:16 +00:00
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
sg.name = name;
|
|
|
|
return (RB_FIND(session_groups, &session_groups, &sg));
|
2009-10-11 23:38:16 +00:00
|
|
|
}
|
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
/* Create a new session group. */
|
|
|
|
struct session_group *
|
|
|
|
session_group_new(const char *name)
|
2009-10-11 23:38:16 +00:00
|
|
|
{
|
|
|
|
struct session_group *sg;
|
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
if ((sg = session_group_find(name)) != NULL)
|
|
|
|
return (sg);
|
|
|
|
|
|
|
|
sg = xcalloc(1, sizeof *sg);
|
|
|
|
sg->name = xstrdup(name);
|
|
|
|
TAILQ_INIT(&sg->sessions);
|
|
|
|
|
|
|
|
RB_INSERT(session_groups, &session_groups, sg);
|
|
|
|
return (sg);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Add a session to a session group. */
|
|
|
|
void
|
|
|
|
session_group_add(struct session_group *sg, struct session *s)
|
|
|
|
{
|
|
|
|
if (session_group_contains(s) == NULL)
|
|
|
|
TAILQ_INSERT_TAIL(&sg->sessions, s, gentry);
|
2009-10-11 23:38:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Remove a session from its group and destroy the group if empty. */
|
2016-10-11 13:21:59 +00:00
|
|
|
static void
|
2009-10-11 23:38:16 +00:00
|
|
|
session_group_remove(struct session *s)
|
|
|
|
{
|
|
|
|
struct session_group *sg;
|
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
if ((sg = session_group_contains(s)) == NULL)
|
2009-10-11 23:38:16 +00:00
|
|
|
return;
|
|
|
|
TAILQ_REMOVE(&sg->sessions, s, gentry);
|
|
|
|
if (TAILQ_EMPTY(&sg->sessions)) {
|
2017-02-09 15:04:53 +00:00
|
|
|
RB_REMOVE(session_groups, &session_groups, sg);
|
2012-07-11 19:34:16 +00:00
|
|
|
free(sg);
|
2009-10-11 23:38:16 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-10-22 23:11:41 +00:00
|
|
|
/* Count number of sessions in session group. */
|
2016-10-11 13:21:59 +00:00
|
|
|
static u_int
|
2014-10-22 23:11:41 +00:00
|
|
|
session_group_count(struct session_group *sg)
|
|
|
|
{
|
|
|
|
struct session *s;
|
|
|
|
u_int n;
|
|
|
|
|
|
|
|
n = 0;
|
|
|
|
TAILQ_FOREACH(s, &sg->sessions, gentry)
|
|
|
|
n++;
|
|
|
|
return (n);
|
|
|
|
}
|
|
|
|
|
2009-10-11 23:38:16 +00:00
|
|
|
/* Synchronize a session to its session group. */
|
|
|
|
void
|
|
|
|
session_group_synchronize_to(struct session *s)
|
|
|
|
{
|
|
|
|
struct session_group *sg;
|
|
|
|
struct session *target;
|
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
if ((sg = session_group_contains(s)) == NULL)
|
2009-10-11 23:38:16 +00:00
|
|
|
return;
|
|
|
|
|
|
|
|
target = NULL;
|
|
|
|
TAILQ_FOREACH(target, &sg->sessions, gentry) {
|
|
|
|
if (target != s)
|
|
|
|
break;
|
|
|
|
}
|
2017-02-09 15:04:53 +00:00
|
|
|
if (target != NULL)
|
|
|
|
session_group_synchronize1(target, s);
|
2009-10-11 23:38:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Synchronize a session group to a session. */
|
|
|
|
void
|
|
|
|
session_group_synchronize_from(struct session *target)
|
|
|
|
{
|
|
|
|
struct session_group *sg;
|
|
|
|
struct session *s;
|
|
|
|
|
2017-02-09 15:04:53 +00:00
|
|
|
if ((sg = session_group_contains(target)) == NULL)
|
2009-10-11 23:38:16 +00:00
|
|
|
return;
|
|
|
|
|
|
|
|
TAILQ_FOREACH(s, &sg->sessions, gentry) {
|
|
|
|
if (s != target)
|
|
|
|
session_group_synchronize1(target, s);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Synchronize a session with a target session. This means destroying all
|
|
|
|
* winlinks then recreating them, then updating the current window, last window
|
|
|
|
* stack and alerts.
|
|
|
|
*/
|
2016-10-11 13:21:59 +00:00
|
|
|
static void
|
2009-10-11 23:38:16 +00:00
|
|
|
session_group_synchronize1(struct session *target, struct session *s)
|
|
|
|
{
|
|
|
|
struct winlinks old_windows, *ww;
|
|
|
|
struct winlink_stack old_lastw;
|
|
|
|
struct winlink *wl, *wl2;
|
|
|
|
|
|
|
|
/* Don't do anything if the session is empty (it'll be destroyed). */
|
|
|
|
ww = &target->windows;
|
|
|
|
if (RB_EMPTY(ww))
|
|
|
|
return;
|
|
|
|
|
|
|
|
/* If the current window has vanished, move to the next now. */
|
2009-12-26 23:45:21 +00:00
|
|
|
if (s->curw != NULL &&
|
|
|
|
winlink_find_by_index(ww, s->curw->idx) == NULL &&
|
|
|
|
session_last(s) != 0 && session_previous(s, 0) != 0)
|
|
|
|
session_next(s, 0);
|
2009-10-11 23:38:16 +00:00
|
|
|
|
|
|
|
/* Save the old pointer and reset it. */
|
|
|
|
memcpy(&old_windows, &s->windows, sizeof old_windows);
|
|
|
|
RB_INIT(&s->windows);
|
|
|
|
|
|
|
|
/* Link all the windows from the target. */
|
2010-06-22 23:26:18 +00:00
|
|
|
RB_FOREACH(wl, winlinks, ww) {
|
2011-02-15 15:09:52 +00:00
|
|
|
wl2 = winlink_add(&s->windows, wl->idx);
|
2016-10-19 09:22:07 +00:00
|
|
|
wl2->session = s;
|
2011-02-15 15:09:52 +00:00
|
|
|
winlink_set_window(wl2, wl->window);
|
2016-10-16 22:06:40 +00:00
|
|
|
notify_session_window("window-linked", s, wl2->window);
|
2010-06-22 23:26:18 +00:00
|
|
|
wl2->flags |= wl->flags & WINLINK_ALERTFLAGS;
|
|
|
|
}
|
2009-10-11 23:38:16 +00:00
|
|
|
|
|
|
|
/* Fix up the current window. */
|
|
|
|
if (s->curw != NULL)
|
|
|
|
s->curw = winlink_find_by_index(&s->windows, s->curw->idx);
|
|
|
|
else
|
|
|
|
s->curw = winlink_find_by_index(&s->windows, target->curw->idx);
|
|
|
|
|
|
|
|
/* Fix up the last window stack. */
|
|
|
|
memcpy(&old_lastw, &s->lastw, sizeof old_lastw);
|
|
|
|
TAILQ_INIT(&s->lastw);
|
|
|
|
TAILQ_FOREACH(wl, &old_lastw, sentry) {
|
|
|
|
wl2 = winlink_find_by_index(&s->windows, wl->idx);
|
|
|
|
if (wl2 != NULL)
|
|
|
|
TAILQ_INSERT_TAIL(&s->lastw, wl2, sentry);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Then free the old winlinks list. */
|
|
|
|
while (!RB_EMPTY(&old_windows)) {
|
|
|
|
wl = RB_ROOT(&old_windows);
|
2014-10-22 23:11:41 +00:00
|
|
|
wl2 = winlink_find_by_window_id(&s->windows, wl->window->id);
|
|
|
|
if (wl2 == NULL)
|
2016-10-16 22:06:40 +00:00
|
|
|
notify_session_window("window-unlinked", s, wl->window);
|
2009-11-13 16:59:19 +00:00
|
|
|
winlink_remove(&old_windows, wl);
|
2009-10-11 23:38:16 +00:00
|
|
|
}
|
|
|
|
}
|
2012-05-03 17:51:04 +00:00
|
|
|
|
|
|
|
/* Renumber the windows across winlinks attached to a specific session. */
|
|
|
|
void
|
|
|
|
session_renumber_windows(struct session *s)
|
|
|
|
{
|
|
|
|
struct winlink *wl, *wl1, *wl_new;
|
|
|
|
struct winlinks old_wins;
|
|
|
|
struct winlink_stack old_lastw;
|
|
|
|
int new_idx, new_curw_idx;
|
|
|
|
|
|
|
|
/* Save and replace old window list. */
|
|
|
|
memcpy(&old_wins, &s->windows, sizeof old_wins);
|
|
|
|
RB_INIT(&s->windows);
|
|
|
|
|
|
|
|
/* Start renumbering from the base-index if it's set. */
|
2015-10-27 15:58:42 +00:00
|
|
|
new_idx = options_get_number(s->options, "base-index");
|
2012-05-03 17:51:04 +00:00
|
|
|
new_curw_idx = 0;
|
|
|
|
|
|
|
|
/* Go through the winlinks and assign new indexes. */
|
|
|
|
RB_FOREACH(wl, winlinks, &old_wins) {
|
|
|
|
wl_new = winlink_add(&s->windows, new_idx);
|
2016-10-19 09:22:07 +00:00
|
|
|
wl_new->session = s;
|
2012-05-03 17:51:04 +00:00
|
|
|
winlink_set_window(wl_new, wl->window);
|
|
|
|
wl_new->flags |= wl->flags & WINLINK_ALERTFLAGS;
|
|
|
|
|
|
|
|
if (wl == s->curw)
|
|
|
|
new_curw_idx = wl_new->idx;
|
|
|
|
|
|
|
|
new_idx++;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Fix the stack of last windows now. */
|
|
|
|
memcpy(&old_lastw, &s->lastw, sizeof old_lastw);
|
|
|
|
TAILQ_INIT(&s->lastw);
|
|
|
|
TAILQ_FOREACH(wl, &old_lastw, sentry) {
|
2013-08-13 20:56:41 +00:00
|
|
|
wl_new = winlink_find_by_window(&s->windows, wl->window);
|
2012-05-03 17:51:04 +00:00
|
|
|
if (wl_new != NULL)
|
|
|
|
TAILQ_INSERT_TAIL(&s->lastw, wl_new, sentry);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set the current window. */
|
|
|
|
s->curw = winlink_find_by_index(&s->windows, new_curw_idx);
|
|
|
|
|
|
|
|
/* Free the old winlinks (reducing window references too). */
|
|
|
|
RB_FOREACH_SAFE(wl, winlinks, &old_wins, wl1)
|
|
|
|
winlink_remove(&old_wins, wl);
|
|
|
|
}
|