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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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