150 lines
4.3 KiB
C
150 lines
4.3 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2014, Digium, Inc.
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*
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* Mark Michelson <mmichelson@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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/*** MODULEINFO
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<support_level>core</support_level>
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***/
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/*** DOCUMENTATION
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<manager name="PresenceStateList" language="en_US">
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<synopsis>
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List the current known presence states.
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</synopsis>
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<syntax>
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<xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
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</syntax>
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<description>
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<para>This will list out all known presence states in a
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sequence of <replaceable>PresenceStateChange</replaceable> events.
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When finished, a <replaceable>PresenceStateListComplete</replaceable> event
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will be emitted.</para>
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</description>
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<see-also>
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<ref type="manager">PresenceState</ref>
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<ref type="managerEvent">PresenceStatus</ref>
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<ref type="function">PRESENCE_STATE</ref>
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</see-also>
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<responses>
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<list-elements>
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<xi:include xpointer="xpointer(/docs/managerEvent[@name='PresenceStateChange'])" />
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</list-elements>
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<managerEvent name="PresenceStateListComplete" language="en_US">
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<managerEventInstance class="EVENT_FLAG_COMMAND">
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<synopsis>
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Indicates the end of the list the current known extension states.
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</synopsis>
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<syntax>
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<parameter name="EventList">
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<para>Conveys the status of the event list.</para>
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</parameter>
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<parameter name="ListItems">
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<para>Conveys the number of statuses reported.</para>
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</parameter>
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</syntax>
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</managerEventInstance>
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</managerEvent>
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</responses>
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</manager>
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***/
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#include "asterisk.h"
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#include "asterisk/module.h"
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#include "asterisk/manager.h"
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#include "asterisk/stasis.h"
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#include "asterisk/presencestate.h"
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static struct stasis_forward *topic_forwarder;
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static int action_presencestatelist(struct mansession *s, const struct message *m)
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{
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RAII_VAR(struct ao2_container *, presence_states, NULL, ao2_cleanup);
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const char *action_id = astman_get_header(m, "ActionID");
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struct stasis_message *msg;
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struct ao2_iterator it_states;
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int count = 0;
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presence_states = stasis_cache_dump(ast_presence_state_cache(),
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ast_presence_state_message_type());
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if (!presence_states) {
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astman_send_error(s, m, "Memory Allocation Failure");
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return 0;
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}
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astman_send_listack(s, m, "Presence State Changes will follow", "start");
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it_states = ao2_iterator_init(presence_states, 0);
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for (; (msg = ao2_iterator_next(&it_states)); ao2_ref(msg, -1)) {
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struct ast_manager_event_blob *blob = stasis_message_to_ami(msg);
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if (!blob) {
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continue;
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}
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count++;
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astman_append(s, "Event: %s\r\n", blob->manager_event);
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if (!ast_strlen_zero(action_id)) {
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astman_append(s, "ActionID: %s\r\n", action_id);
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}
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astman_append(s, "%s\r\n", blob->extra_fields);
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ao2_ref(blob, -1);
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}
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ao2_iterator_destroy(&it_states);
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astman_send_list_complete_start(s, m, "PresenceStateListComplete", count);
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astman_send_list_complete_end(s);
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return 0;
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}
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static int unload_module(void)
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{
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ast_manager_unregister("PresenceStateList");
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topic_forwarder = stasis_forward_cancel(topic_forwarder);
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return 0;
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}
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static int load_module(void)
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{
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struct stasis_topic *manager_topic;
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manager_topic = ast_manager_get_topic();
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if (!manager_topic) {
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return AST_MODULE_LOAD_DECLINE;
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}
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topic_forwarder = stasis_forward_all(ast_presence_state_topic_all(), manager_topic);
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if (!topic_forwarder) {
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return AST_MODULE_LOAD_DECLINE;
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}
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if (ast_manager_register_xml("PresenceStateList", EVENT_FLAG_CALL | EVENT_FLAG_REPORTING,
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action_presencestatelist)) {
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topic_forwarder = stasis_forward_cancel(topic_forwarder);
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return AST_MODULE_LOAD_DECLINE;
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}
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return AST_MODULE_LOAD_SUCCESS;
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}
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AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "Manager Presence State Topic Forwarder",
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.support_level = AST_MODULE_SUPPORT_CORE,
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.load = load_module,
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.unload = unload_module,
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.load_pri = AST_MODPRI_DEVSTATE_CONSUMER,
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);
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