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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2012, Terry Wilson
*
* Terry Wilson <twilson@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*
* Please follow coding guidelines
* http://svn.digium.com/view/asterisk/trunk/doc/CODING-GUIDELINES
*/
/*! \file
*
* \brief Confbridge state handling for the MULTI_MARKED state
*
* \author\verbatim Terry Wilson <twilson@digium.com> \endverbatim
*
* \ingroup applications
*/
/*** MODULEINFO
<support_level>core</support_level>
***/
#include "asterisk.h"
#include "asterisk/utils.h"
#include "asterisk/linkedlists.h"
#include "include/confbridge.h"
#include "asterisk/musiconhold.h"
#include "include/conf_state.h"
#include "asterisk/pbx.h"
static void join_active(struct confbridge_user *user);
static void join_marked(struct confbridge_user *user);
static void leave_active(struct confbridge_user *user);
static void leave_marked(struct confbridge_user *user);
static void transition_to_marked(struct confbridge_user *user);
static struct confbridge_state STATE_MULTI_MARKED = {
.name = "MULTI_MARKED",
.join_unmarked = join_active,
.join_waitmarked = join_active,
.join_marked = join_marked,
.leave_unmarked = leave_active,
.leave_waitmarked = leave_active,
.leave_marked = leave_marked,
.entry = transition_to_marked,
};
struct confbridge_state *CONF_STATE_MULTI_MARKED = &STATE_MULTI_MARKED;
static void join_active(struct confbridge_user *user)
{
conf_add_user_active(user->conference, user);
conf_update_user_mute(user);
}
static void join_marked(struct confbridge_user *user)
{
conf_add_user_marked(user->conference, user);
conf_update_user_mute(user);
}
static void leave_active(struct confbridge_user *user)
{
conf_remove_user_active(user->conference, user);
if (user->conference->activeusers == 1) {
conf_change_state(user, CONF_STATE_SINGLE_MARKED);
}
}
static void leave_marked(struct confbridge_user *user)
{
struct confbridge_user *user_iter;
int need_prompt = 0;
conf_remove_user_marked(user->conference, user);
if (user->conference->markedusers == 0) {
AST_LIST_TRAVERSE_SAFE_BEGIN(&user->conference->active_list, user_iter, list) {
/* Kick ENDMARKED cbu_iters */
if (ast_test_flag(&user_iter->u_profile, USER_OPT_ENDMARKED) && !user_iter->kicked) {
if (ast_test_flag(&user_iter->u_profile, USER_OPT_WAITMARKED)
&& !ast_test_flag(&user_iter->u_profile, USER_OPT_MARKEDUSER)) {
AST_LIST_REMOVE_CURRENT(list);
user_iter->conference->activeusers--;
AST_LIST_INSERT_TAIL(&user_iter->conference->waiting_list, user_iter, list);
user_iter->conference->waitingusers++;
}
user_iter->kicked = 1;
pbx_builtin_setvar_helper(user_iter->chan, "CONFBRIDGE_RESULT", "ENDMARKED");
ast_bridge_remove(user_iter->conference->bridge, user_iter->chan);
} else if (ast_test_flag(&user_iter->u_profile, USER_OPT_WAITMARKED)
&& !ast_test_flag(&user_iter->u_profile, USER_OPT_MARKEDUSER)) {
need_prompt = 1;
AST_LIST_REMOVE_CURRENT(list);
user_iter->conference->activeusers--;
AST_LIST_INSERT_TAIL(&user_iter->conference->waiting_list, user_iter, list);
user_iter->conference->waitingusers++;
} else {
/* User is neither wait_marked nor end_marked; however, they
* should still hear the prompt.
*/
need_prompt = 1;
}
}
AST_LIST_TRAVERSE_SAFE_END;
}
switch (user->conference->activeusers) {
case 0:
/* Implies markedusers == 0 */
switch (user->conference->waitingusers) {
case 0:
conf_change_state(user, CONF_STATE_EMPTY);
break;
default:
conf_change_state(user, CONF_STATE_INACTIVE);
break;
}
break;
case 1:
switch (user->conference->markedusers) {
case 0:
conf_change_state(user, CONF_STATE_SINGLE);
break;
case 1:
/* XXX I seem to remember doing this for a reason, but right now it escapes me
* how we could possibly ever have a waiting user while we have a marked user */
switch (user->conference->waitingusers) {
case 0:
conf_change_state(user, CONF_STATE_SINGLE_MARKED);
break;
case 1:
break; /* Stay in marked */
}
break;
}
break;
default:
switch (user->conference->markedusers) {
case 0:
conf_change_state(user, CONF_STATE_MULTI);
break;
default:
break; /* Stay in marked */
}
}
if (need_prompt) {
/* Play back the audio prompt saying the leader has left the conference */
if (!ast_test_flag(&user->u_profile, USER_OPT_QUIET)) {
async_play_sound_file(user->conference,
conf_get_sound(CONF_SOUND_LEADER_HAS_LEFT, user->conference->b_profile.sounds),
NULL);
}
AST_LIST_TRAVERSE(&user->conference->waiting_list, user_iter, list) {
if (user_iter->kicked) {
continue;
}
if (ast_test_flag(&user_iter->u_profile, USER_OPT_MUSICONHOLD)) {
conf_moh_start(user_iter);
}
conf_update_user_mute(user_iter);
}
}
}
static int post_join_play_begin(struct confbridge_user *user)
{
int res;
ast_autoservice_start(user->chan);
res = play_sound_file(user->conference,
conf_get_sound(CONF_SOUND_BEGIN, user->conference->b_profile.sounds));
ast_autoservice_stop(user->chan);
return res;
}
static void transition_to_marked(struct confbridge_user *user)
{
struct confbridge_user *user_iter;
int waitmarked_moved = 0;
/* Move all waiting users to active, stopping MOH and unmuting if necessary */
AST_LIST_TRAVERSE_SAFE_BEGIN(&user->conference->waiting_list, user_iter, list) {
AST_LIST_REMOVE_CURRENT(list);
user->conference->waitingusers--;
AST_LIST_INSERT_TAIL(&user->conference->active_list, user_iter, list);
user->conference->activeusers++;
if (user_iter->playing_moh) {
conf_moh_stop(user_iter);
}
conf_update_user_mute(user_iter);
waitmarked_moved++;
}
AST_LIST_TRAVERSE_SAFE_END;
/* Play the audio file stating that the conference is beginning */
if (user->conference->markedusers == 1
&& ast_test_flag(&user->u_profile, USER_OPT_MARKEDUSER)
&& !ast_test_flag(&user->u_profile, USER_OPT_QUIET)
&& waitmarked_moved) {
conf_add_post_join_action(user, post_join_play_begin);
}
}
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