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Matthew Jordan bb87796f67 ARI: Fix endpoint/channel subscription issues; allow for subscriptions to tech 
This patch serves two purposes:
(1) It fixes some bugs with endpoint subscriptions not reporting all of the
    channel events
(2) It serves as the preliminary work needed for ASTERISK-23692, which allows
    for sending/receiving arbitrary out of call text messages through ARI in a
    technology agnostic fashion.

The messaging functionality described on ASTERISK-23692 requires two things:
(1) The ability to send/receive messages associated with an endpoint. This is
    relatively straight forwards with the endpoint core in Asterisk now.
(2) The ability to send/receive messages associated with a technology and an
    arbitrary technology defined URI. This is less straight forward, as
    endpoints are formed from a tech + resource pair. We don't have a
    mechanism to note that a technology that *may* have endpoints exists.

This patch provides such a mechanism, and fixes a few bugs along the way.

The first major bug this patch fixes is the forwarding of channel messages
to their respective endpoints. Prior to this patch, there were two problems:
(1) Channel caching messages weren't forwarded. Thus, the endpoints missed
    most of the interesting bits (such as channel creation, destruction, state
    changes, etc.)
(2) Channels weren't associated with their endpoint until after creation.
    This resulted in endpoints missing the channel creation message, which
    limited the usefulness of the subscription in the first place (a major use
    case being 'tell me when this endpoint has a channel'). Unfortunately,
    this meant another parameter to ast_channel_alloc. Since not all channel
    technologies support an ast_endpoint, this patch makes such a call
    optional and opts for a new function, ast_channel_alloc_with_endpoint.

When endpoints are created, they will implicitly create a technology endpoint
for their technology (if one does not already exist). A technology endpoint is
special in that it has no state, cannot have channels created for it, cannot
be created explicitly, and cannot be destroyed except on shutdown. It does,
however, have all messages from other endpoints in its technology forwarded to
it.

Combined with the bug fixes, we now have Stasis messages being properly
forwarded. Consider the following scenario: two PJSIP endpoints (foo and bar),
where bar has a single channel associated with it and foo has two channels
associated with it. The messages would be forwarded as follows:

channel PJSIP/foo-1 --
                      \
                       --> endpoint PJSIP/foo --
                      /                         \
channel PJSIP/foo-2 --                           \
                                                  ---- > endpoint PJSIP
                                                /
channel PJSIP/bar-1 -----> endpoint PJSIP/bar --

ARI, through the applications resource, can:
 - subscribe to endpoint:PJSIP/foo and get notifications for channels
   PJSIP/foo-1,PJSIP/foo-2 and endpoint PJSIP/foo
 - subscribe to endpoint:PJSIP/bar and get notifications for channels
   PJSIP/bar-1 and endpoint PJSIP/bar
 - subscribe to endpoint:PJSIP and get notifications for channels
   PJSIP/foo-1,PJSIP/foo-2,PJSIP/bar-1 and endpoints PJSIP/foo,PJSIP/bar

Note that since endpoint PJSIP never changes, it never has events itself. It
merely provides an aggregation point for all other endpoints in its technology
(which in turn aggregate all channel messages associated with that endpoint).

This patch also adds endpoints to res_xmpp and chan_motif, because the actual
messaging work will need it (messaging without XMPP is just sad).

Review: https://reviewboard.asterisk.org/r/3760/

ASTERISK-23692
........

Merged revisions 419196 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@419203 65c4cc65-6c06-0410-ace0-fbb531ad65f3
 		2014-07-22 16:20:58 +00:00
..
editline memory leaks: Memory leak cleanup patch by Corey Farrell (first set) 2013-10-23 20:10:30 +00:00
stdtime Allow Asterisk to compile under GCC 4.10 2014-05-09 22:49:26 +00:00
Makefile main/Makefile: fix compilation error of buildinfo occurring on 'make install' 2014-07-04 15:26:58 +00:00
abstract_jb.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
acl.c pjsip cli: Change Identify to show CIDR notation instead of netmasks. 2014-06-19 20:13:20 +00:00
adsi.c Allow Asterisk to compile under GCC 4.10 2014-05-09 22:49:26 +00:00
alaw.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00
aoc.c stasis: Reduce creation of channel snapshots to improve performance 2014-06-13 18:24:49 +00:00
app.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
ast_expr2.c Allow the REALTIME() function to report errors back to the caller. 2012-07-11 17:16:50 +00:00
ast_expr2.fl Avoid cppcheck warnings; removing unused vars and a bit of cleanup. 2012-04-17 18:57:40 +00:00
ast_expr2.h Allow the REALTIME() function to report errors back to the caller. 2012-07-11 17:16:50 +00:00
ast_expr2.y Multiple revisions 360356-360357 2012-03-24 02:42:42 +00:00
ast_expr2f.c Doxygen Updates - janitor work 2012-09-21 17:14:59 +00:00
asterisk.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
asterisk.dynamics Fix error loading res_monitor. 2014-04-23 15:02:39 +00:00
asterisk.exports.in Add _IO_stdin_used in version-script to fix SIGBUSes on Sparc. 2013-08-22 08:26:55 +00:00
astfd.c Unregister CLI commands on exit 2013-08-20 15:36:10 +00:00
astmm.c MALLOC_DEBUG: Change fence magic number to be completely different from the freed magic number. 2013-09-09 23:29:44 +00:00
astobj2.c astobj2: assert on invalid ref and backtrace cleanup 2014-07-18 17:55:38 +00:00
astobj2_container.c ao2_container node object ignores REF_DEBUG in all places except one 2014-06-25 18:57:04 +00:00
astobj2_container_private.h astobj2: Additional refactoring to push impl specific code down into the impls. 2014-06-20 15:27:43 +00:00
astobj2_hash.c astobj2: Additional refactoring to push impl specific code down into the impls. 2014-06-20 15:27:43 +00:00
astobj2_private.h astobj2: Additional refactoring to push impl specific code down into the impls. 2014-06-20 15:27:43 +00:00
astobj2_rbtree.c astobj2: Additional refactoring to push impl specific code down into the impls. 2014-06-20 15:27:43 +00:00
audiohook.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
autochan.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00
autoservice.c autoservice: stop thread on graceful shutdown 2014-06-09 03:50:45 +00:00
backtrace.c Fix memory corruption when trying to get "core show locks". 2013-08-23 18:07:40 +00:00
bridge.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
bridge_after.c bridges/bridge_native_rtp: Reconfigure bridge on removal of framehook 2014-06-08 18:12:53 +00:00
bridge_basic.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
bridge_channel.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
bridge_roles.c ARI: bridges/{bridgeID}/addChannel: add roles parameter 2013-08-05 16:59:13 +00:00
bucket.c Allow Asterisk to compile under GCC 4.10 2014-05-09 22:49:26 +00:00
buildinfo.c fix a few small things found by using sparse 2008-10-30 16:49:02 +00:00
callerid.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
ccss.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
cdr.c Allow Asterisk to compile under GCC 4.10 2014-05-09 22:49:26 +00:00
cel.c CEL: Fix incorrect/missing extra field information 2014-07-07 01:22:44 +00:00
channel.c ARI: Fix endpoint/channel subscription issues; allow for subscriptions to tech 2014-07-22 16:20:58 +00:00
channel_internal_api.c ARI: Fix endpoint/channel subscription issues; allow for subscriptions to tech 2014-07-22 16:20:58 +00:00
chanvars.c ast_free() is null tollerant. 2013-08-28 16:09:12 +00:00
cli.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
codec.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
codec_builtin.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
config.c config: inform config hook of change when writing file 2014-07-11 16:42:49 +00:00
config_options.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
core_local.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
core_unreal.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
crypt.c Fix utils directory breakage. 2013-07-04 13:06:15 +00:00
cygload.c Kill off red blobs in most of main/* 2012-03-22 19:51:16 +00:00
data.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
datastore.c This is no longer needed. 2013-06-29 00:18:57 +00:00
db.c We have faced situation when using CDR and CEL by sqlite3 modules. With system having high load (~100 concurrent calls created by sipp) we found many cdr and cel records missed. There is special finction in sqlite3, that make able to fix this situation - sqlite3_wait_timeout, that also can replace awful code cdr_sqlite3 ad cel_sqlite3 modules. Also this function can be used for aastdb and res_config_sqlite3 to avoid missed writes to sqlite db. 2014-06-16 09:04:05 +00:00
devicestate.c res_corosync: Update module to work with Stasis (and compile) 2014-05-22 12:01:37 +00:00
dial.c Dial API: Prevent crash on NULL cap 2014-07-21 17:03:58 +00:00
dns.c res_pjsip: Enable PJSIP DNS client support. 2014-03-17 22:54:32 +00:00
dnsmgr.c Migrate a large number of AMI events over to Stasis-Core 2013-05-24 20:44:07 +00:00
dsp.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
ecdisa.h Kill off red blobs in most of main/* 2012-03-22 19:51:16 +00:00
endpoints.c ARI: Fix endpoint/channel subscription issues; allow for subscriptions to tech 2014-07-22 16:20:58 +00:00
enum.c Allow Asterisk to compile under GCC 4.10 2014-05-09 22:49:26 +00:00
event.c event.c: Fix type mismatch errors in ie_maps[]. 2014-06-27 23:21:44 +00:00
features.c Documentation: doc fixes across various parts of the code for ASTERISK issues 23061,23028,23046,23027 2014-01-17 17:16:14 +00:00
features_config.c feature_config: insure featuregroups and applicationmaps are initialized 2014-07-18 17:40:54 +00:00
file.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
fixedjitterbuf.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00
fixedjitterbuf.h Kill off red blobs in most of main/* 2012-03-22 19:51:16 +00:00
format.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
format_cache.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
format_cap.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
format_compatibility.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
frame.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
framehook.c Channels: Masquerades to automatically move frame/audio hooks 2014-07-18 16:28:10 +00:00
fskmodem.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00
fskmodem_float.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00
fskmodem_int.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00
global_datastores.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00
hashtab.c Fix utilities compilation/linking. 2013-08-16 16:26:11 +00:00
heap.c Fix incorrect usages of ast_realloc(). 2013-09-10 18:05:47 +00:00
http.c HTTP: Fix build for gcc 4.10 2014-07-07 01:10:55 +00:00
image.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
indications.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
io.c Allow Asterisk to compile under GCC 4.10 2014-05-09 22:49:26 +00:00
jitterbuf.c jitterbuf: Fix memory leak on jitter buffer reset 2013-10-24 19:42:21 +00:00
json.c json: Fix json API wrapper code for json library versions earlier than 2.3.0. 2014-02-21 17:47:58 +00:00
libasteriskssl.c Resolve memory leaks in TLS initialization and TLS client connections 2012-09-14 19:53:43 +00:00
libasteriskssl.exports.in Address OpenSSL initialization issues when using third-party libraries. 2012-01-30 21:21:16 +00:00
loader.c Logger/CLI/etc.: Fix some aesthetic issues; reduce chatty verbose messages 2014-05-28 22:54:12 +00:00
lock.c Revert -r411073. It didn't help and blew up the system. 2014-03-25 15:47:17 +00:00
logger.c astobj2: assert on invalid ref and backtrace cleanup 2014-07-18 17:55:38 +00:00
manager.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
manager_bridges.c Allow Asterisk to compile under GCC 4.10 2014-05-09 22:49:26 +00:00
manager_channels.c ARI: Add ability to raise arbitrary User Events 2014-05-22 16:09:51 +00:00
manager_endpoints.c Multiple revisions 399887,400138,400178,400180-400181 2013-09-30 18:55:27 +00:00
manager_mwi.c Multiple revisions 399887,400138,400178,400180-400181 2013-09-30 18:55:27 +00:00
manager_system.c Multiple revisions 399887,400138,400178,400180-400181 2013-09-30 18:55:27 +00:00
md5.c md5: supress some compiler warnings. 2012-04-28 01:33:49 +00:00
media_index.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
message.c PJSIP: PJSIPNotify - Strip content-length headers and add documentation 2014-06-10 16:06:12 +00:00
mixmonitor.c Removed quotes from svn:keywords props on a few files. 2013-07-29 17:51:25 +00:00
named_acl.c Fix various memory leaks 2013-08-30 19:22:59 +00:00
netsock.c Move eid functions to utils.c, mark netsock.h deprecated 2014-06-24 02:50:15 +00:00
netsock2.c pjsip cli: Change Identify to show CIDR notation instead of netmasks. 2014-06-19 20:13:20 +00:00
optional_api.c Logger/CLI/etc.: Fix some aesthetic issues; reduce chatty verbose messages 2014-05-28 22:54:12 +00:00
parking.c res_pjsip_refer: Fix bugs involving Parking/PJSIP/transfers 2014-05-22 15:52:30 +00:00
pbx.c Remove many deprecated modules 2014-07-04 13:26:37 +00:00
pickup.c stasis: Reduce creation of channel snapshots to improve performance 2014-06-13 18:24:49 +00:00
plc.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00
poll.c Merged revisions 285268 via svnmerge from 2010-09-07 19:09:08 +00:00
presencestate.c Add DeviceStateChanged and PresenceStateChanged AMI events. 2014-04-28 14:40:21 +00:00
privacy.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00
rtp_engine.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
say.c app_voicemail, say: Add support for Japanese Language 2014-06-30 04:00:19 +00:00
sched.c Allow Asterisk to compile under GCC 4.10 2014-05-09 22:49:26 +00:00
sdp_srtp.c Recorded merge of revisions 417677 from http://svn.asterisk.org/svn/asterisk/branches/11 2014-06-30 19:51:28 +00:00
security_events.c Allow Asterisk to compile under GCC 4.10 2014-05-09 22:49:26 +00:00
sem.c Multiple revisions 399887,400138,400178,400180-400181 2013-09-30 18:55:27 +00:00
sha1.c Doxygen Updates - janitor work 2012-09-21 17:14:59 +00:00
sip_api.c Don't make chan_sip export global symbols. 2012-10-11 15:49:02 +00:00
slinfactory.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
smoother.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
sorcery.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
sounds_index.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
srv.c Removed #if checks for crazy old versions of OS X. 2013-05-08 20:25:28 +00:00
stasis.c stasis: use ao2_t_alloc for certain object allocators 2014-07-18 19:55:24 +00:00
stasis_bridges.c stasis: Reduce creation of channel snapshots to improve performance 2014-06-13 18:24:49 +00:00
stasis_cache.c stasis: Reduce creation of channel snapshots to improve performance 2014-06-13 18:24:49 +00:00
stasis_cache_pattern.c stasis: use ao2_t_alloc for certain object allocators 2014-07-18 19:55:24 +00:00
stasis_channels.c stasis_channels: Update the stasis cache if manager variables are needed 2014-06-18 04:22:05 +00:00
stasis_endpoints.c ARI: Add ability to raise arbitrary User Events 2014-05-22 16:09:51 +00:00
stasis_message.c stasis: use ao2_t_alloc for certain object allocators 2014-07-18 19:55:24 +00:00
stasis_message_router.c stasis: fix call to ao2_t_alloc for stasis_message_router_create 2014-07-18 21:25:14 +00:00
stasis_system.c Convert CCSS manager events to stasis. 2013-07-19 18:00:35 +00:00
strcompat.c Add builtin roundf() for systems lacking it. 2013-01-19 20:54:07 +00:00
strings.c string container: Remove unnecessary RAII_VAR usage and string object lock. 2014-01-14 21:46:50 +00:00
stun.c Allow Asterisk to compile under GCC 4.10 2014-05-09 22:49:26 +00:00
syslog.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00
taskprocessor.c Allow Asterisk to compile under GCC 4.10 2014-05-09 22:49:26 +00:00
tcptls.c HTTP: Add persistent connection support. 2014-07-03 17:16:55 +00:00
tdd.c Doxygen Updates - janitor work 2012-09-21 17:14:59 +00:00
term.c Revamp of terminal color codes 2013-02-14 18:47:56 +00:00
test.c Fix build warnings with TEST_FRAMEWORK enabled 2014-06-19 19:40:45 +00:00
threadpool.c Fix threadpool rapid growth problem. 2013-06-20 16:29:35 +00:00
threadstorage.c Unregister CLI commands on exit 2013-08-20 15:36:10 +00:00
timing.c timing: Improve performance for most timing implementations. 2014-02-07 20:01:45 +00:00
translate.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
udptl.c udptl: Correct FEC to not consider negative sequence numbers as missing 2014-06-26 12:24:25 +00:00
ulaw.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00
uri.c core uri: Custom uri parsing error when no query parameters 2014-06-06 20:45:05 +00:00
utils.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
uuid.c Add an \extref doxygen pointer for libuuid. 2013-04-26 20:32:11 +00:00
xml.c Detect and use xsltCleanupGlobals when available 2013-10-03 18:00:15 +00:00
xmldoc.c Logger/CLI/etc.: Fix some aesthetic issues; reduce chatty verbose messages 2014-05-28 22:54:12 +00:00