asterisk/res/res_manager_presencestate.c

150 lines
4.3 KiB
C

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