Commit Graph

132 Commits

Author SHA1 Message Date
Torrey Searle
cbc704c5ec chan_pjsip: add a flag to ignore 183 responses if no SDP present
chan_sip will always ignore 183 responses that do not contain SDP
however, chan_pjsip will currently always translate it into a
183 with SDP.  This new flag allows chan_pjsip to have the same
behavior as chan_sip.

ASTERISK-28322 #close

Change-Id: If81cfaa17c11b6ac703e3d71696f259d86c6be4a
2019-03-08 13:13:03 -06:00
Kevin Harwell
41effb7d4d res_pjsip_registrar: blocked threads on reliable transport shutdown take 3
When a contact was removed by the registrar it did not always check to see if
the circumstances involved a monitored reliable transport. For instance, if the
'remove_existing' option was set to 'true' then when existing contacts were
removed due to 'max_contacts' being reached, those existing contacts being
removed did not unregister the transport monitor.

Also, it was possible to add more than one monitor on a reliable transport for
a given aor and contact.

This patch makes it so all contact removals done by the registrar also remove
any associated transport monitors if necessary. It also makes it so duplicate
monitors cannot be added for a given transport.

ASTERISK-28213

Change-Id: I94b06f9026ed177d6adfd538317c784a42c1b17a
2019-02-27 17:02:16 -06:00
Alexei Gradinari
4a8564cafa res_pjsip: add option to disable ContactStatus event when contact is updated
This patch adds a new PJSIP global configuration option
'send_contact_status_on_update_registration' to be able to have the same
performance benefits as version 16.

By default old behavior, i.e. the ContactStatus event will be sent when a
device refreshes its registration.

Change-Id: I706adf7584e7077eb6bde6d9799ca408bc82ce46
2019-01-11 11:52:29 -05:00
Alexei Gradinari
bfe3821800 pjsip: new endpoint's options to control Connected Line updates
This patch adds new options 'trust_connected_line' and 'send_connected_line'
to the endpoint.

The option 'trust_connected_line' is to control if connected line updates
are accepted from this endpoint.

The option 'send_connected_line' is to control if connected line updates
can be sent to this endpoint.

The default value is 'yes' for both options.

Change-Id: I16af967815efd904597ec2f033337e4333d097cd
2018-10-30 10:37:51 -05:00
Torrey Searle
bbbec2e95e res_pjsip_session: add new flag use_callerid_contact
Add a new global flag to res_pjsip to allow the callerid to be used
as the username in the contact header.  This allows chan_pjsip to have
the same behavour as chan_sip

ASTERISK-28087 #close

Change-Id: I9a720e058323f6862a91c62f8a8c1a4b5c087b95
2018-10-26 09:39:08 +02:00
Joshua Colp
c17a20e543 Merge "res_pjsip: Make pjlib.h consistently included." into 13 2018-08-08 05:56:48 -05:00
Richard Mudgett
b7f195b6fd res_pjsip.h: Fix doxygen comments.
Change-Id: I9cf97bdc756012d1f552ab007f4aa85e0ddb4e62
2018-08-07 10:25:30 -05:00
Richard Mudgett
1f97ea7e2c res_pjsip: Make pjlib.h consistently included.
* Don't include pjlib.h twice in res_pjsip.h
* Consistently use #include <> form for pjproject includes.
(pjsip.h and pjlib.h)

Change-Id: I3f7b42044840de64edf7e9d7695cb60c45990dc7
2018-08-03 16:00:47 -05:00
George Joseph
3470409dd6 res_pjsip: Add 'suppress_q850_reason_headers' option to endpoint
A new option 'suppress_q850_reason_headers' has been added to the
endpoint object. Some devices can't accept multiple Reason headers and
get confused when both 'SIP' and 'Q.850' Reason headers are received.
This option allows the 'Q.850' Reason header to be suppressed.
The default value is 'no'.

ASTERISK-27949
Reported-by: Ross Beer

Change-Id: I54cf37a827d77de2079256bb3de7e90fa5e1deb1
2018-07-06 06:57:37 -06:00
George Joseph
06966e91fe res_pjsip_session: Add ability to accept multiple sdp answers
pjproject by default currently will follow media forked during an INVITE
on outbound calls if the To tag is different on a subsequent response as
that on an earlier response.  We handle this correctly.  There have
been reported cases where the To tag is the same but we still need to
follow the media.  The pjproject patch in this commit adds the
capability to sip_inv and also adds the capability to control it at
runtime.  The original "different tag" behavior was always controllable
at runtime but we never did anything with it and left it to default to
TRUE.

So, along with the pjproject patch, this commit adds options to both the
system and endpoint objects to control the two behaviors, and a small
logic change to session_inv_on_media_update in res_pjsip_session to
control the behavior at the endpoint level.

The default behavior for "different tags" remains the same at TRUE and
the default for "same tag" is FALSE.

Change-Id: I64d071942b79adb2f0a4e13137389b19404fe3d6
ASTERISK-27936
Reported-by: Ross Beer
2018-06-26 06:57:18 -06:00
Joshua Colp
bea52b3706 pjsip: Rewrite OPTIONS support with new eyes.
The OPTIONS support in PJSIP has organically grown, like many things in
Asterisk.  It has been tweaked, changed, and adapted based on situations
run into.  Unfortunately this has taken its toll.  Configuration file
based objects have poor performance and even dynamic ones aren't that
great.

This change scraps the existing code and starts fresh with new eyes.  It
leverages all of the APIs made available such as sorcery observers and
serializers to provide a better implementation.

1.  The state of contacts, AORs, and endpoints relevant to the qualify
process is maintained.  This state can be updated by external forces (such
as a device registering/unregistering) and also the reload process.  This
state also includes the association between endpoints and AORs.

2.  AORs are scheduled and not contacts.  This reduces the amount of work
spent juggling scheduled items.

3.  Manipulation of which AORs are being qualified and the endpoint states
all occur within a serializer to reduce the conflict that can occur with
multiple threads attempting to modify things.

4.  Operations regarding an AOR use a serializer specific to that AOR.

5.  AORs and endpoint state act as state compositors.  They take input
from lower level objects (contacts feed AORs, AORs feed endpoint state)
and determine if a sufficient enough change has occurred to be fed further
up the chain.

6.  Realtime is supported by using observers to know when a contact has
been registered.  If state does not exist for the associated AOR then it
is retrieved and becomes active as appropriate.

The end result of all of this is best shown with a configuration file of
3000 endpoints each with an AOR that has a static contact.  In the old
code it would take over a minute to load and use all 8 of my cores.  This
new code takes 2-3 seconds and barely touches the CPU even while dealing
with all of the OPTIONS requests.

ASTERISK-26806

Change-Id: I6a5ebbfca9001dfe933eaeac4d3babd8d2e6f082
2018-04-27 17:26:54 -05:00
Jenkins2
ad0ba520b5 Merge "pjsip_scheduler.c: Add ability to trace scheduled tasks." into 13 2018-04-16 07:00:21 -05:00
Richard Mudgett
b92ebdba5f pjsip_scheduler.c: Add ability to trace scheduled tasks.
When a scheduled task is created you can pass in the
AST_SIP_SCHED_TASK_TRACK flag.  This new flag causes scheduling events to
be logged.

Change-Id: I91967eb3d5a220915ce86881a28af772f9a7f56b
2018-04-12 17:16:44 -05:00
Richard Mudgett
12aa25b2e1 res_pjsip.c: Split ast_sip_push_task_synchronous() to fit expectations.
ast_sip_push_task_synchronous() did not necessarily execute the passed in
task under the specified serializer.  If the current thread is any
registered pjsip thread then it would execute the task immediately instead
of under the specified serializer.  Reentrancy issues could result if the
task does not execute with the right serializer.

The original reason ast_sip_push_task_synchronous() checked to see if the
current thread was a registered pjsip thread was because of a deadlock
with masquerades and the channel technology's fixup callback
(ASTERISK_22936).  A subsequent masquerade deadlock fix (ASTERISK_24356)
involving call pickups avoided the original deadlock situation entirely.
The PJSIP channel technology's fixup callback no longer needed to call
ast_sip_push_task_synchronous().

However, there are a few places where this unexpected behavior is still
required to avoid deadlocks.  The pjsip monitor thread executes callbacks
that do calls to ast_sip_push_task_synchronous() that would deadlock if
the task were actually pushed to the specified serializer.  I ran into one
dealing with the pubsub subscriptions where an ao2 destructor called
ast_sip_push_task_synchronous().

* Split ast_sip_push_task_synchronous() into
ast_sip_push_task_wait_servant() and ast_sip_push_task_wait_serializer().
ast_sip_push_task_wait_servant() has the old behavior of
ast_sip_push_task_synchronous().  ast_sip_push_task_wait_serializer() has
the new behavior where the task is always executed by the specified
serializer or a picked serializer if one is not passed in.  Both functions
behave the same if the current thread is not a SIP servant.

* Redirected ast_sip_push_task_synchronous() to
ast_sip_push_task_wait_servant() to preserve API for released branches.

ASTERISK_26806

Change-Id: Id040fa42c0e5972f4c8deef380921461d213b9f3
2018-04-12 17:15:10 -05:00
Richard Mudgett
dfdc9a2575 pjsip_scheduler.c: Fix some corner cases.
* Fix the periodic interval wander because it may take significant time
between the sched thread queueing the task in the serializer and the
serializer actually executing the task.  The time it takes to actually
execute the task was already taken into account.

* Pass a schtd ref to the serializer when we queue a scheduled task on
the serializer.  We don't want it going away on us while it is in the
serializer queue.

* Skip the scheduled task if the task was canceled between queueing the
task to the serializer and the serializer actually executing the task.

* Reorder struct ast_sip_sched_task to avoid unnecessary padding.  Removed
task_id and added next_periodic.

* Hold a ref to the passed in serializer so the serializer cannot go away
on the scheduled task.

ASTERISK_26806

Change-Id: I6c8046b75f6953792c8c30e55b836a4291143f24
2018-04-12 17:15:10 -05:00
Richard Mudgett
c4f02c975b pjsip_scheduler.c: Fix ao2 usage errors.
* Removed several invalid uses of OBJ_NOLOCK.  These uses resulted in the
'tasks' container being accessed without a lock in a multi-threaded
environment.  A recipe for crashes.

* Removed needlessly obtaining schtd object references.  If the caller
providing you a pointer to an object doesn't have a valid reference then
you cannot safely get one from it.

* Getting a ref to 'tasks' when you aren't copying the pointer into
another location is useless.  The 'tasks' container pointer is global.

* Removed many unnecessary uses of RAII_VAR.

* Make ast_sip_schedule_task() name parameter const.

ASTERISK_26806

Change-Id: I5c62488e651314e2a1dbc01f5b078a15512d73db
2018-04-09 13:44:46 -05:00
Richard Mudgett
e94f8e4a24 res_pjsip: Update authenticate_qualify documentation.
Change-Id: I3811de0014b1ffe96d4a3b49cddd5d4ca02ee5d4
2018-04-04 18:05:30 -05:00
George Joseph
7debdd285c res_pjsip_pubsub: Prune subs with reliable transports at startup
In an earlier release, inbound registrations on a reliable transport
were pruned on Asterisk restart since the TCP connection would have
been torn down and become unusable when Asterisk stopped.  This same
process is now also applied to inbound subscriptions.

Also fixed issues in res_pjsip_registrar where it wasn't handling the
monitoring correctly when multiple registrations came in over the same
transport.

To accomplish this, the pjsip_transport_event feature needed to
be refactored to allow multiple monitors (multiple subcriptions or
registrations from the same endpoint) to exist on the same transport.
Since this changed the API, any external modules that may have used the
transport monitor feature (highly unlikey) will need to be changed.

ASTERISK-27612
Reported by: Ross Beer

Change-Id: Iee87cf4eb9b7b2b93d5739a72af52d6ca8fbbe36
2018-02-01 10:32:26 -07:00
Richard Mudgett
f35960d55b res_pjsip: Split type=identify to IP address and SIP header matching priorities
The type=identify endpoint identification method can match by IP address
and by SIP header.  However, the SIP header matching has limited
usefulness because you cannot specify the SIP header matching priority
relative to the IP address matching.  All the matching happens at the same
priority and the order of evaluating the identify sections is
indeterminate.  e.g., If you had two type=identify sections where one
matches by IP address for endpoint alice and the other matches by SIP
header for endpoint bob then you couldn't predict which endpoint is
matched when a request comes in that matches both.

* Extract the SIP header matching criteria into its own "header" endpoint
identification method so the user can specify the relative priority of the
SIP header and the IP address matching criteria in the global
endpoint_identifier_order option.  The "ip" endpoint identification method
now only matches by IP address.

ASTERISK-27491

Change-Id: I9df142a575b7e1e3471b7cda5d3ea156cef08095
2018-01-11 14:14:08 -06:00
Joshua Colp
7385d1e017 res_pjsip: Add 'ip' as a valid option to 'identify_by' on endpoint.
When the identify_by option on an endpoint is set to ip it will
only be identified using the res_pjsip_endpoint_identifier_ip module.
This ensures that it is not mistakenly matched using the username of
the From header. To ensure behavior has not changed the default has
been changed to "username,ip" for the identify_by option.

ASTERISK-27206

Change-Id: I2170b86a7f7e221b4f00bf14aa1ef1ac5b050bbd
2017-10-25 18:13:26 +00:00
George Joseph
ed2a4ee81e res_pjsip: Add handling for incoming unsolicited MWI NOTIFY
A new endpoint parameter "incoming_mwi_mailbox" allows Asterisk to
receive unsolicited MWI NOTIFY requests and make them available to
other modules via the stasis message bus.

res_pjsip_pubsub has a new handler "pubsub_on_rx_mwi_notify_request"
that parses a simple-message-summary body and, if
endpoint->incoming_mwi_account is set, calls ast_publish_mwi_state
with the voice-message counts from the message.

Change-Id: I08bae3d16e77af48fcccc2c936acce8fc0ef0f3c
2017-09-13 08:21:36 -06:00
Walter Doekes
45744fc53d res/res_pjsip: Standardize/fix localnet checks across pjsip.
In 2dee95cc (ASTERISK-27024) and 776ffd77 (ASTERISK-26879) there was
confusion about whether the transport_state->localnet ACL has ALLOW or
DENY semantics.

For the record: the localnet has DENY semantics, meaning that "not in
the list" means ALLOW, and the local nets are in the list.

Therefore, checks like this look wrong, but are right:

    /* See if where we are sending this request is local or not, and if
       not that we can get a Contact URI to modify */
    if (ast_apply_ha(transport_state->localnet, &addr) != AST_SENSE_ALLOW) {
        ast_debug(5, "Request is being sent to local address, "
                     "skipping NAT manipulation\n");

(In the list == localnet == DENY == skip NAT manipulation.)

And conversely, other checks that looked right, were wrong.

This change adds two macro's to reduce the confusion and uses those
instead:

    ast_sip_transport_is_nonlocal(transport_state, addr)
    ast_sip_transport_is_local(transport_state, addr)

ASTERISK-27248 #close

Change-Id: Ie7767519eb5a822c4848e531a53c0fd054fae934
2017-09-05 16:16:01 +02:00
Richard Mudgett
07d026b4cd res_pjsip: Remove ephemeral registered contacts on transport shutdown.
The fix for the issue is broken up into three parts.

This is part two which handles the server side of REGISTER requests when
rewrite_contact is enabled.  Any registered reliable transport contact
becomes invalid when the transport connection becomes disconnected.

* Monitor the rewrite_contact's reliable transport REGISTER contact for
shutdown.  If it is shutdown then the contact must be removed because it
is no longer valid.  Otherwise, when the client attempts to re-REGISTER it
may be blocked because the invalid contact is there.  Also if we try to
send a call to the endpoint using the invalid contact then the endpoint is
not likely to see the request.  The endpoint either won't be listening on
that port for new connections or a NAT/firewall will block it.

* Prune any rewrite_contact's registered reliable transport contacts on
boot.  The reliable transport no longer exists so the contact is invalid.

* Websockets always rewrite the REGISTER contact address and the transport
needs to be monitored for shutdown.

* Made the websocket transport set a unique name since that is what we use
as the ao2 container key.  Otherwise, we would not know which transport we
find when one of them shuts down.  The names are also used for PJPROJECT
debug logging.

* Made the websocket transport post the PJSIP_TP_STATE_CONNECTED state
event.  Now the global keep_alive_interval option, initially idle shutdown
timer, and the server REGISTER contact monitor can work on wetsocket
transports.

* Made the websocket transport set the PJSIP_TP_DIR_INCOMING direction.
Now initially idle websockets will automatically shutdown.

ASTERISK-27147

Change-Id: I397a5e7d18476830f7ffe1726adf9ee6c15964f4
2017-08-10 12:13:18 -05:00
Richard Mudgett
ca261d4b70 res_pjsip: PJSIP Transport state monitor refactor.
The fix for the issue is broken up into three parts.

This is part one which refactors the transport state monitor code to allow
more modules to be able to monitor transports.

* Pull the management of PJPROJECT's transport state callback code from
res_pjsip_transport_management.c into res_pjsip.  Now other modules can
dynamically add and remove themselves from transport monitoring without
worrying about breaking PJPROJECT's callback chain.

* Add the ability for other modules to get a callback whenever a specific
transport is shutdown.

ASTERISK-27147

Change-Id: I7d9a31371eb1487c9b7050cf82a9af5180a57912
2017-08-10 12:13:18 -05:00
Joshua Colp
114602f434 res_pjsip: Add support for dnsmgr to external_media_address.
The "external_media_address" option on transports is now
resolved using dnsmgr. This allows it to be automatically
refreshed regularly if refreshes are enabled in dnsmgr.
If the system is using a dynamic IP address a dynamic DNS
hostname can be provided to keep the IP address up to
date.

Change-Id: Ia54771720dff0105bde55d5bbb81a3ba437e05b2
2017-08-01 15:44:30 -06:00
Torrey Searle
423d01cf16 chan_pjsip: add a new function PJSIP_DTMF_MODE
This function is a replica of SIPDtmfMode, allowing the DTMF mode of a
PJSIP call to be modified on a per-call basis

ASTERISK-27085 #close

Change-Id: I20eef5da3e5d1d3e58b304416bc79683f87e7612
2017-08-01 15:43:51 -06:00
Torrey Searle
9fbc34d2bd res_pjsip: Add DTMF INFO Failback mode
The existing auto dtmf mode reverts to inband if 4733 fails to be
negotiated.  This patch adds a new mode auto_info which will
switch to INFO instead of inband if 4733 is not available.

ASTERISK-27066 #close

Change-Id: Id185b11e84afd9191a2f269e8443019047765e91
2017-06-23 09:15:24 +02:00
Alexei Gradinari
a6e4899612 res_pjsip: New endpoint option "notify_early_inuse_ringing"
This option was added to control whether to notify dialog-info state
'early' or 'confirmed' on Ringing when already INUSE.
The value "yes" is useful for some SIP phones (Cisco SPA)
to be able to indicate and pick up ringing devices.

ASTERISK-26919 #close

Change-Id: Ie050bc30023543c7dfb4365c5be3ce58c738c711
2017-06-16 12:08:27 -04:00
Jenkins2
812f5b51cb Merge "res_pjsip: Add support for returning only reachable contacts and use it." into 13 2017-06-07 08:11:23 -05:00
Joshua Colp
746c2c5745 res_pjsip: Add support for returning only reachable contacts and use it.
This introduces the ability for PJSIP code to specify filtering flags
when retrieving PJSIP contacts. The first flag for use causes the
query code to only retrieve contacts that are not unreachable. This
change has been leveraged by both the Dial() process and the
PJSIP_DIAL_CONTACTS dialplan function so they will now only attempt
calls to contacts which are not unreachable.

ASTERISK-26281

Change-Id: I8233b4faa21ba3db114f5a42e946e4b191446f6c
2017-06-06 14:45:49 +00:00
Alexei Gradinari
6af2dd34af res_pjsip: New endpoint option "refer_blind_progress"
This option was added to turn off notifying the progress details
on Blind Transfer. If this option is not set then the chan_pjsip
will send NOTIFY "200 OK" immediately after "202 Accepted".

Some SIP phones like Mitel/Aastra or Snom keep the line busy until
receive "200 OK".

ASTERISK-26333 #close

Change-Id: Id606fbff2e02e967c02138457badc399144720f2
2017-05-11 11:45:16 -04:00
Richard Begg
398e5ec16c res_pjsip_session: Enable RFC3578 overlap dialing support.
Support for RFC3578 overlap dialling (i.e. 484 Response to partially matched
destinations) as currently provided by chan_sip is missing from res_pjsip.
This patch adds a new endpoint attribute (allow_overlap) [defaults to yes]
which when set to yes enables 484 responses to partial destination
matches rather than the current 404.

ASTERISK-26864

Change-Id: Iea444da3ee7c7d4f1fde1d01d138a3d7b0fe40f6
2017-03-22 11:25:07 +00:00
George Joseph
9b756662a8 res_pjsip: Symmetric transports
A new transport parameter 'symmetric_transport' has been added.

When a request from a dynamic contact comes in on a transport with
this option set to 'yes', the transport name will be saved and used
for subsequent outgoing requests like OPTIONS, NOTIFY and INVITE.
It's saved as a contact uri parameter named 'x-ast-txp' and will
display with the contact uri in CLI, AMI, and ARI output.  On the
outgoing request, if a transport wasn't explicitly set on the
endpoint AND the request URI is not a hostname, the saved transport
will be used and the 'x-ast-txp' parameter stripped from the
outgoing packet.

* config_transport was modified to accept and store the new parameter.

* config_transport/transport_apply was updated to store the transport
  name in the pjsip_transport->info field using the pjsip_transport->pool
  on UDP transports.

* A 'multihomed_on_rx_message' function was added to
  pjsip_message_ip_updater that, for incoming requests, retrieves the
  transport name from pjsip_transport->info and retrieves the transport.
  If transport->symmetric_transport is set, an 'x-ast-txp' uri parameter
  containing the transport name is added to the incoming Contact header.

* An 'ast_sip_get_transport_name' function was added to res_pjsip.
  It takes an ast_sip_endpoint and a pjsip_sip_uri and returns a
  transport name if endpoint->transport is set or if there's an
  'x-ast-txp' parameter on the uri and the uri host is an ipv4 or
  ipv6 address.  Otherwise it returns NULL.

* An 'ast_sip_dlg_set_transport' function was added to res_pjsip
  which takes an ast_sip_endpoint, a pjsip_dialog, and an optional
  pjsip_tpselector.  It calls ast_sip_get_transport_name() and if
  a non-NULL is returned, sets the selector and sets the transport
  on the dialog.  If a selector was passed in, it's updated.

* res_pjsip/ast_sip_create_dialog_uac and ast_sip_create_dialog_uas
  were modified to call ast_sip_dlg_set_transport() instead of their
  original logic.

* res_pjsip/create_out_of_dialog_request was modified to call
  ast_sip_get_transport_name() and pjsip_tx_data_set_transport()
  instead of its original logic.

* Existing transport logic was removed from endpt_send_request
  since that can only be called after a create_out_of_dialog_request.

* res_pjsip/ast_sip_create_rdata was converted to a wrapper around
  a new 'ast_sip_create_rdata_with_contact' function which allows
  a contact_uri to be specified in addition to the existing
  parameters.  (See below)

* res_pjsip_pubsub/internal_pjsip_evsub_send_request was eliminated
  since all it did was transport selection and that is now done in
  ast_sip_create_dialog_uac and ast_sip_create_dialog_uas.

* 'contact_uri' was added to subscription_persistence.  This was
  necessary because although the parsed rdata contact header has the
  x-ast-txp parameter added (if appropriate),
  subscription_persistence_update stores the raw packet which
  doesn't have it.  subscription_persistence_recreate was then
  updated to call ast_sip_create_rdata_with_contact with the
  persisted contact_uri so the recreated subscription has the
  correct transport info to send the NOTIFYs.

* res_pjsip_session/internal_pjsip_inv_send_msg was eliminated since
  all it did was transport selection and that is now done in
  ast_sip_create_dialog_uac.

* pjsip_message_ip_updater/multihomed_on_tx_message was updated
  to remove all traces of the x-ast-txp parameter from the
  outgoing headers.

NOTE:  This change does NOT modify the behavior of permanent
contacts specified on an aor.  To do so would require that the
permanent contact's contact uri be updated with the x-ast-txp
parameter and the aor sorcery object updated.  If we need to
persue this, we need to think about cloning permanent contacts into
the same store as the dynamic ones on an aor load so they can be
updated without disturbing the originally configured value.

You CAN add the x-ast-txp parameter to a permanent contact's uri
but it would be much simpler to just set endpoint->transport.

Change-Id: I4ee1f51473da32ca54b877cd158523efcef9655f
2017-03-16 08:03:26 -06:00
Mark Michelson
7bc69753bc Add rtcp-mux support
This commit adds support for RFC 5761: Multiplexing RTP Data and Control
Packets on a Single Port. Specifically, it enables the feature when
using chan_pjsip.

A new option, "rtcp_mux" has been added to endpoint configuration in
pjsip.conf. If set, then Asterisk will attempt to use rtcp-mux with
whatever it communicates with. Asterisk follows the rules set forth in
RFC 5761 with regards to falling back to standard RTCP behavior if the
far end does not indicate support for rtcp-mux.

The lion's share of the changes in this commit are in
res_rtp_asterisk.c. This is because it was pretty much hard wired to
have an RTP and an RTCP transport. The strategy used here is that when
rtcp-mux is enabled, the current RTCP transport and its trappings (such
as DTLS SSL session) are freed, and the RTCP session instead just
mooches off the RTP session. This leads to a lot of specialized if
statements throughout.

ASTERISK-26732 #close
Reported by Dan Jenkins

Change-Id: If46a93ba1282418d2803e3fd7869374da8b77ab5
2017-03-15 10:39:05 -05:00
Richard Mudgett
eb9ae4f7cb res_pjsip: Record the serializer earlier on the tdata.
When PJPROJECT needs to do a DNS resolution and there is not a cached
entry available, the SIP request message goes out on the PJSIP monitor
thread instead of the original serializer thread.  Thus when the response
comes back it does not get processed by the original sending serializer.

This patch records the serializer on tdata before passing a request
message to PJPROJECT where it can in Asterisk code.  There are several
places in PJPROJECT for outbound registration and publishing support that
would need to record the serializer.  Unfortunately, without replacing the
PJPROJECT DNS resolver as was done in v14 we cannot fix those without
modifying PJPROJECT.

Even if we backported the DNS resolver from v14, the outbound registration
refresh timer does not go out on a serializer thread but the PJSIP monitor
thread.  Fortunately, Asterisk's outbound publish support doesn't use the
auto refresh timer that would also not go out under the serializer thread.

This patch is v13 only.

ASTERISK-26669
ASTERISK-26738

Change-Id: I9997b9ed6dbcebd2c37d6a67dc6dcee9c78914a4
2017-02-20 16:28:28 -06:00
George Joseph
ebc67d3053 res_pjsip_registrar: AMI Add RegistrationInboundContactStatuses command
The PJSIPShowRegistrationsInbound AMI command was just dumping out
all AORs which was pretty useless and resource heavy since it had
to get all endpoints, then all aors for each endpoint, then all
contacts for each aor.

PJSIPShowRegistrationInboundContactStatuses sends ContactStatusDetail
events which meets the intended purpose of the other command and has
significantly less overhead.  Also, some additional fields that were
added to Contact since the original creation of the ContactStatusDetail
event have been added to the end of the event.

For compatibility purposes, PJSIPShowRegistrationsInbound is left
intact.

ASTERISK-26644 #close

Change-Id: I326f12c9ecb52bf37ba03f0748749de4da01490a
2016-12-07 18:11:11 -06:00
Joshua Colp
e0bc17edff pjsip: Fix a few media bugs with reinvites and asymmetric payloads.
When channel format changes occurred as a result of an RTP
re-negotiation the bridge was not informed this had happened.
As a result the bridge technology was not re-evaluated and the
channel may have been in a bridge technology that was incompatible
with its formats. The bridge is now unbridged and the technology
re-evaluated when this occurs.

The chan_pjsip module also allowed asymmetric codecs for sending
and receiving. This did not work with all devices and caused one
way audio problems. The default has been changed to NOT do this
but to match the sending codec to the receiving codec. For users
who want asymmetric codecs an option has been added, asymmetric_rtp_codec,
which will return chan_pjsip to the previous behavior.

The codecs returned by the chan_pjsip module when queried by
the bridge_native_rtp module were also not reflective of the
actual negotiated codecs. The nativeformats are now returned as
they reflect the actual negotiated codecs.

ASTERISK-26423 #close

Change-Id: I6ec88c6e3912f52c334f1a26983ccb8f267020dc
2016-10-26 12:47:59 +00:00
Richard Mudgett
30af92e78d res_pjsip: Add ignore_uri_user_options option.
This implements the chan_sip legacy_useroption_parsing option but with a
better name.

* Made the caller-id number and redirecting number strings obtained from
incoming SIP URI user fields always truncated at the first semicolon.
People don't care about anything after the semicolon showing up on their
displays even though the RFC allows the semicolon.

ASTERISK-26316 #close
Reported by: Kevin Harwell

Change-Id: Ib42b0e940dd34d84c7b14bc2e90d1ba392624f62
2016-09-09 17:09:54 -05:00
George Joseph
329507fe20 res_pjsip: Add contact_user to endpoint
contact_user, when specified on an endpoint, will override the user
portion of the Contact header on outgoing requests.

Change-Id: Icd4ebfda2f2e44d3ac749d0b4066630e988407d4
2016-08-17 14:39:32 -06:00
Alexei Gradinari
a06a1af0eb res_pjsip_mwi: fix unsolicited mwi blocks PJSIP stack
The PJSIP taskprocessors could be overflowed on startup
if there are many (thousands) realtime endpoints
configured with unsolicited mwi.
The PJSIP stack could be totally unresponsive for a few minutes
after boot completed.

This patch creates a separate PJSIP serializers pool for mwi
and makes unsolicited mwi use serializers from this pool.
This patch also adds 2 new global options to tune taskprocessor
alert levels: 'mwi_tps_queue_high' and 'mwi_tps_queue_low'.

This patch also adds new global option 'mwi_disable_initial_unsolicited'
to disable sending unsolicited mwi to all endpoints on startup.
If disabled then unsolicited mwi will start processing
on next endpoint's contact update.

ASTERISK-26230 #close

Change-Id: I4c8ecb82c249eb887930980a800c9f87f28f861a
2016-08-08 13:53:32 -04:00
Richard Mudgett
33716106e0 res_pjsip: Whitespace and comment cleanup.
Change-Id: I11139a4a95df34e223ba622aa6227e33ab8f6c38
2016-07-21 23:30:57 -05:00
Richard Mudgett
851b1c3a17 res_pjsip: Add fax_detect_timeout endpoint option.
The new endpoint option allows the PJSIP channel driver's fax_detect
endpoint option to timeout on a call after the specified number of
seconds into a call.  The new feature is disabled if the timeout is set
to zero.  The option is disabled by default.

ASTERISK-26214
Reported by: Richard Mudgett

Change-Id: Id5a87375fb2c4f9dc1d4b44c78ec8735ba65453d
2016-07-19 10:32:14 -05:00
zuul
8cea01ab1b Merge "res_pjsip: Fix statsd regression." into 13 2016-07-13 07:28:31 -05:00
Richard Mudgett
97b4c7a5b4 res_pjsip: Fix statsd regression.
The ASTERISK-25904 change-id I8fad8aae9305481469c38d2146e1ba3a56d3108f
patch introduced several regressions when the newly created "Updated"
state goes out for each endpoint registration refresh.

1) It restarted any OPTIONS RTT ping cycle.

2) It would interfere with a currently active ping and throw off that
ping's resulting RTT calculation.

3) It cleared the RTT time each time the endpoint was refreshed.

4) The cleared RTT time was sent out as a statsd update each time.

5) It created two AMI events for each update.

* Revert the original patch and reimplement it.  Now the current contact
status state is re-sent instead of the state being momentarily toggled
every time the endpoint refreshes its registration.  The statsd events are
not created for the re-sent refresh because they are sent after every
OPTIONS ping.

ASTERISK-26160 #close
Reported by: Matt Jordan

Change-Id: Ie072be790fbb2a8f5c1c874266e4143fa31f66d1
2016-07-12 11:52:10 -05:00
Alexei Gradinari
2c16a81dd5 res_pjsip: Added "subscribe_context" to endpoint
If specified, incoming SUBSCRIBE requests will be searched for the matching
extension in the indicated context. If no "subscribe_context" is specified,
then the "context" setting is used.

ASTERISK-25471 #close

Change-Id: I3fb7a15f5bc154079bd348c08b7ad1cdd2d5e514
2016-07-05 12:59:27 -04:00
Joshua Colp
7ed680cf92 Merge "res_pjsip: improve realtime performance #2" into 13 2016-06-30 15:53:16 -05:00
Alexei Gradinari
b3c787d1dd res_pjsip: improve realtime performance #2
The patch removes updating all Endpoints' status on startup.
Instead, only non-qualified aors with static contact
and non-qualified non-expired contacts are retrieved from the realtime to
update the endpoint status to ONLINE.
The endpoint name was added to the contact object to simply find the endpoint
that created this contact.

The status of endpoints with qualified aors will be updated by 'qualify'
functions.

ASTERISK-26061 #close

Change-Id: Id324c1776fa55d3741e0c5457ecac0304cb1a0df
2016-06-22 10:08:37 -04:00
Richard Mudgett
16b08444da pjsip_distributor.c: Consistently pick a serializer for messages.
Incoming messages that are not part of a dialog or a recognized response
to one of our requests need to be sent to a consistent serializer.  Under
load we may be queueing retransmissions before we can process the original
message.  We don't need to throw these messages onto random serializers
and cause reentrancy and message sequencing problems.

* Created a pool of pjsip/distributor serializers that get picked by
hashing the call-id and remote tag strings of the received messages.

* Made ast_sip_destroy_distributor() destroy items in the reverse order of
creation.

ASTERISK-26088
Reported by:  Richard Mudgett

Change-Id: I2ce769389fc060d9f379977f559026fbcb632407
2016-06-07 13:16:19 -05:00
Alexei Gradinari
230686f4ec res_pjsip: add "via_addr", "via_port", "call_id" to contact
As res_pjsip_nat rewrites contact's address, only the last Via header
can contain the source address of registered endpoint.
Also Call-Id header may contain the source address of registered
endpoint.

Added "via_addr", "via_port", "call_id" to contact.
Added new fields ViaAddress, CallID to AMI event ContactStatus.

ASTERISK-26011

Change-Id: I36bcc0bf422b3e0623680152d80486aeafe4c576
2016-05-25 10:56:14 -04:00
Alexei Gradinari
524a302974 res_pjsip: Endpoint IP Access Controls
With the old SIP module we can use IP access controls per peer.
PJSIP module missing this feature.

This patch added next configuration Endpoint options:
    "acl" - list of IP ACL section names in acl.conf
    "deny" - List of IP addresses to deny access from
    "permit" - List of IP addresses to permit access from
    "contact_acl" - List of Contact ACL section names in acl.conf
    "contact_deny" - List of Contact header addresses to deny
    "contact_permit" - List of Contact header addresses to permit

This patch also better logging failed request:
    add custom message instead of "No matching endpoint found"
    add SIP method to logging

ASTERISK-25900

Change-Id: I456dea3909d929d413864fb347d28578415ebf02
2016-05-13 12:38:20 -04:00