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Diffstat (limited to 'apps/confbridge/conf_state_multi_marked.c')
| -rw-r--r-- | apps/confbridge/conf_state_multi_marked.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/apps/confbridge/conf_state_multi_marked.c b/apps/confbridge/conf_state_multi_marked.c new file mode 100644 index 000000000..69850b18d --- /dev/null +++ b/apps/confbridge/conf_state_multi_marked.c @@ -0,0 +1,187 @@ +/* + * 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" + +static void join_active(struct conference_bridge_user *cbu); +static void join_marked(struct conference_bridge_user *cbu); +static void leave_active(struct conference_bridge_user *cbu); +static void leave_marked(struct conference_bridge_user *cbu); +static void transition_to_marked(struct conference_bridge_user *cbu); + +static struct conference_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 conference_state *CONF_STATE_MULTI_MARKED = &STATE_MULTI_MARKED; + +static void join_active(struct conference_bridge_user *cbu) +{ + conf_add_user_active(cbu->conference_bridge, cbu); +} + +static void join_marked(struct conference_bridge_user *cbu) +{ + conf_add_user_marked(cbu->conference_bridge, cbu); +} + +static void leave_active(struct conference_bridge_user *cbu) +{ + conf_remove_user_active(cbu->conference_bridge, cbu); + if (cbu->conference_bridge->activeusers == 1) { + conf_change_state(cbu, CONF_STATE_SINGLE_MARKED); + } +} + +static void leave_marked(struct conference_bridge_user *cbu) +{ + struct conference_bridge_user *cbu_iter; + + conf_remove_user_marked(cbu->conference_bridge, cbu); + + if (cbu->conference_bridge->markedusers == 0) { + /* Play back the audio prompt saying the leader has left the conference */ + if (!ast_test_flag(&cbu->u_profile, USER_OPT_QUIET)) { + ao2_unlock(cbu->conference_bridge); + ast_autoservice_start(cbu->chan); + play_sound_file(cbu->conference_bridge, + conf_get_sound(CONF_SOUND_LEADER_HAS_LEFT, cbu->b_profile.sounds)); + ast_autoservice_stop(cbu->chan); + ao2_lock(cbu->conference_bridge); + } + + AST_LIST_TRAVERSE_SAFE_BEGIN(&cbu->conference_bridge->active_list, cbu_iter, list) { + /* Kick ENDMARKED cbu_iters */ + if (ast_test_flag(&cbu_iter->u_profile, USER_OPT_ENDMARKED)) { + AST_LIST_REMOVE_CURRENT(list); + cbu_iter->conference_bridge->activeusers--; + cbu_iter->kicked = 1; + ast_bridge_remove(cbu_iter->conference_bridge->bridge, cbu_iter->chan); + } else if (ast_test_flag(&cbu_iter->u_profile, USER_OPT_WAITMARKED) && + !ast_test_flag(&cbu_iter->u_profile, USER_OPT_MARKEDUSER)) { + AST_LIST_REMOVE_CURRENT(list); + cbu_iter->conference_bridge->activeusers--; + AST_LIST_INSERT_TAIL(&cbu_iter->conference_bridge->waiting_list, cbu_iter, list); + cbu_iter->conference_bridge->waitingusers++; + /* Handle muting/moh of cbu_iter if necessary */ + if (ast_test_flag(&cbu_iter->u_profile, USER_OPT_MUSICONHOLD)) { + cbu_iter->features.mute = 1; + if (!ast_bridge_suspend(cbu_iter->conference_bridge->bridge, cbu_iter->chan)) { + ast_moh_start(cbu_iter->chan, cbu_iter->u_profile.moh_class, NULL); + cbu_iter->playing_moh = 1; + ast_bridge_unsuspend(cbu_iter->conference_bridge->bridge, cbu_iter->chan); + } + } + } + } + AST_LIST_TRAVERSE_SAFE_END; + } + + switch (cbu->conference_bridge->activeusers) { + case 0: + /* Implies markedusers == 0 */ + switch (cbu->conference_bridge->waitingusers) { + case 0: + conf_change_state(cbu, CONF_STATE_EMPTY); + break; + default: + conf_change_state(cbu, CONF_STATE_INACTIVE); + break; + } + break; + case 1: + switch (cbu->conference_bridge->markedusers) { + case 0: + conf_change_state(cbu, 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 (cbu->conference_bridge->waitingusers) { + case 0: + conf_change_state(cbu, CONF_STATE_SINGLE_MARKED); + break; + case 1: break; /* Stay in marked */ + } + break; + } + break; + default: + switch (cbu->conference_bridge->markedusers) { + case 0: + conf_change_state(cbu, CONF_STATE_MULTI); + break; + default: break; /* Stay in marked */ + } + } +} + +static void transition_to_marked(struct conference_bridge_user *cbu) +{ + struct conference_bridge_user *cbu_iter; + + /* Play the audio file stating they are going to be placed into the conference */ + if (cbu->conference_bridge->markedusers == 1 && ast_test_flag(&cbu->u_profile, USER_OPT_MARKEDUSER)) { + conf_handle_first_marked_common(cbu); + } + + /* Move all waiting users to active, stopping MOH and umuting if necessary */ + AST_LIST_TRAVERSE_SAFE_BEGIN(&cbu->conference_bridge->waiting_list, cbu_iter, list) { + AST_LIST_REMOVE_CURRENT(list); + cbu->conference_bridge->waitingusers--; + AST_LIST_INSERT_TAIL(&cbu->conference_bridge->active_list, cbu_iter, list); + cbu->conference_bridge->activeusers++; + if (cbu_iter->playing_moh && !ast_bridge_suspend(cbu->conference_bridge->bridge, cbu_iter->chan)) { + cbu_iter->playing_moh = 0; + ast_moh_stop(cbu_iter->chan); + ast_bridge_unsuspend(cbu->conference_bridge->bridge, cbu_iter->chan); + } + /* only unmute them if they are not supposed to start muted */ + if (!ast_test_flag(&cbu_iter->u_profile, USER_OPT_STARTMUTED)) { + cbu_iter->features.mute = 0; + } + } + AST_LIST_TRAVERSE_SAFE_END; +} |