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221 lines
6.5 KiB
221 lines
6.5 KiB
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2012, Terry Wilson
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*
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* Terry Wilson <twilson@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*
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* Please follow coding guidelines
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* http://svn.digium.com/view/asterisk/trunk/doc/CODING-GUIDELINES
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*/
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/*! \file
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*
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* \brief Confbridge state handling for the MULTI_MARKED state
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*
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* \author\verbatim Terry Wilson <twilson@digium.com> \endverbatim
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*
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* \ingroup applications
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*/
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/*** MODULEINFO
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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#include "asterisk/utils.h"
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#include "asterisk/linkedlists.h"
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#include "include/confbridge.h"
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#include "asterisk/musiconhold.h"
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#include "include/conf_state.h"
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static void join_active(struct conference_bridge_user *cbu);
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static void join_marked(struct conference_bridge_user *cbu);
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static void leave_active(struct conference_bridge_user *cbu);
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static void leave_marked(struct conference_bridge_user *cbu);
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static void transition_to_marked(struct conference_bridge_user *cbu);
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static struct conference_state STATE_MULTI_MARKED = {
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.name = "MULTI_MARKED",
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.join_unmarked = join_active,
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.join_waitmarked = join_active,
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.join_marked = join_marked,
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.leave_unmarked = leave_active,
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.leave_waitmarked = leave_active,
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.leave_marked = leave_marked,
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.entry = transition_to_marked,
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};
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struct conference_state *CONF_STATE_MULTI_MARKED = &STATE_MULTI_MARKED;
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static void join_active(struct conference_bridge_user *cbu)
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{
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conf_add_user_active(cbu->conference_bridge, cbu);
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conf_update_user_mute(cbu);
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}
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static void join_marked(struct conference_bridge_user *cbu)
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{
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conf_add_user_marked(cbu->conference_bridge, cbu);
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conf_update_user_mute(cbu);
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}
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static void leave_active(struct conference_bridge_user *cbu)
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{
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conf_remove_user_active(cbu->conference_bridge, cbu);
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if (cbu->conference_bridge->activeusers == 1) {
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conf_change_state(cbu, CONF_STATE_SINGLE_MARKED);
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}
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}
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static void leave_marked(struct conference_bridge_user *cbu)
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{
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struct conference_bridge_user *cbu_iter;
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int need_prompt = 0;
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conf_remove_user_marked(cbu->conference_bridge, cbu);
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if (cbu->conference_bridge->markedusers == 0) {
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AST_LIST_TRAVERSE_SAFE_BEGIN(&cbu->conference_bridge->active_list, cbu_iter, list) {
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/* Kick ENDMARKED cbu_iters */
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if (ast_test_flag(&cbu_iter->u_profile, USER_OPT_ENDMARKED) && !cbu_iter->kicked) {
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if (ast_test_flag(&cbu_iter->u_profile, USER_OPT_WAITMARKED)
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&& !ast_test_flag(&cbu_iter->u_profile, USER_OPT_MARKEDUSER)) {
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AST_LIST_REMOVE_CURRENT(list);
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cbu_iter->conference_bridge->activeusers--;
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AST_LIST_INSERT_TAIL(&cbu_iter->conference_bridge->waiting_list, cbu_iter, list);
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cbu_iter->conference_bridge->waitingusers++;
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}
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cbu_iter->kicked = 1;
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ast_bridge_remove(cbu_iter->conference_bridge->bridge, cbu_iter->chan);
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} else if (ast_test_flag(&cbu_iter->u_profile, USER_OPT_WAITMARKED)
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&& !ast_test_flag(&cbu_iter->u_profile, USER_OPT_MARKEDUSER)) {
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need_prompt = 1;
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AST_LIST_REMOVE_CURRENT(list);
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cbu_iter->conference_bridge->activeusers--;
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AST_LIST_INSERT_TAIL(&cbu_iter->conference_bridge->waiting_list, cbu_iter, list);
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cbu_iter->conference_bridge->waitingusers++;
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} else {
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/* User is neither wait_marked nor end_marked; however, they
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* should still hear the prompt.
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*/
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need_prompt = 1;
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}
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}
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AST_LIST_TRAVERSE_SAFE_END;
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}
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switch (cbu->conference_bridge->activeusers) {
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case 0:
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/* Implies markedusers == 0 */
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switch (cbu->conference_bridge->waitingusers) {
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case 0:
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conf_change_state(cbu, CONF_STATE_EMPTY);
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break;
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default:
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conf_change_state(cbu, CONF_STATE_INACTIVE);
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break;
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}
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break;
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case 1:
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switch (cbu->conference_bridge->markedusers) {
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case 0:
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conf_change_state(cbu, CONF_STATE_SINGLE);
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break;
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case 1:
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/* XXX I seem to remember doing this for a reason, but right now it escapes me
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* how we could possibly ever have a waiting user while we have a marked user */
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switch (cbu->conference_bridge->waitingusers) {
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case 0:
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conf_change_state(cbu, CONF_STATE_SINGLE_MARKED);
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break;
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case 1:
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break; /* Stay in marked */
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}
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break;
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}
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break;
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default:
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switch (cbu->conference_bridge->markedusers) {
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case 0:
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conf_change_state(cbu, CONF_STATE_MULTI);
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break;
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default:
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break; /* Stay in marked */
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}
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}
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if (need_prompt) {
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/* Play back the audio prompt saying the leader has left the conference */
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if (!ast_test_flag(&cbu->u_profile, USER_OPT_QUIET)) {
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ao2_unlock(cbu->conference_bridge);
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ast_autoservice_start(cbu->chan);
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play_sound_file(cbu->conference_bridge,
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conf_get_sound(CONF_SOUND_LEADER_HAS_LEFT, cbu->b_profile.sounds));
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ast_autoservice_stop(cbu->chan);
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ao2_lock(cbu->conference_bridge);
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}
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AST_LIST_TRAVERSE(&cbu->conference_bridge->waiting_list, cbu_iter, list) {
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if (cbu_iter->kicked) {
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continue;
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}
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if (ast_test_flag(&cbu_iter->u_profile, USER_OPT_MUSICONHOLD)) {
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conf_moh_start(cbu_iter);
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}
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conf_update_user_mute(cbu_iter);
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}
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}
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}
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static int post_join_play_begin(struct conference_bridge_user *cbu)
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{
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int res;
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ast_autoservice_start(cbu->chan);
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res = play_sound_file(cbu->conference_bridge,
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conf_get_sound(CONF_SOUND_BEGIN, cbu->b_profile.sounds));
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ast_autoservice_stop(cbu->chan);
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return res;
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}
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static void transition_to_marked(struct conference_bridge_user *cbu)
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{
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struct conference_bridge_user *cbu_iter;
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int waitmarked_moved = 0;
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/* Move all waiting users to active, stopping MOH and unmuting if necessary */
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AST_LIST_TRAVERSE_SAFE_BEGIN(&cbu->conference_bridge->waiting_list, cbu_iter, list) {
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AST_LIST_REMOVE_CURRENT(list);
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cbu->conference_bridge->waitingusers--;
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AST_LIST_INSERT_TAIL(&cbu->conference_bridge->active_list, cbu_iter, list);
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cbu->conference_bridge->activeusers++;
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if (cbu_iter->playing_moh) {
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conf_moh_stop(cbu_iter);
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}
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conf_update_user_mute(cbu_iter);
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waitmarked_moved++;
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}
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AST_LIST_TRAVERSE_SAFE_END;
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/* Play the audio file stating that the conference is beginning */
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if (cbu->conference_bridge->markedusers == 1
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&& ast_test_flag(&cbu->u_profile, USER_OPT_MARKEDUSER)
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&& !ast_test_flag(&cbu->u_profile, USER_OPT_QUIET)
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&& waitmarked_moved) {
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conf_add_post_join_action(cbu, post_join_play_begin);
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}
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}
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