2013-04-25 18:25:31 +00:00
|
|
|
/*
|
|
|
|
* Asterisk -- An open source telephony toolkit.
|
|
|
|
*
|
|
|
|
* Copyright (C) 2013, Digium, Inc.
|
|
|
|
*
|
|
|
|
* Joshua Colp <jcolp@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.
|
|
|
|
*/
|
|
|
|
|
|
|
|
/*! \file
|
|
|
|
*
|
|
|
|
* \author Joshua Colp <jcolp@digium.com>
|
|
|
|
*
|
2013-07-30 18:14:50 +00:00
|
|
|
* \brief PSJIP SIP Channel Driver
|
2013-04-25 18:25:31 +00:00
|
|
|
*
|
|
|
|
* \ingroup channel_drivers
|
|
|
|
*/
|
|
|
|
|
|
|
|
/*** MODULEINFO
|
|
|
|
<depend>pjproject</depend>
|
2013-07-30 18:14:50 +00:00
|
|
|
<depend>res_pjsip</depend>
|
|
|
|
<depend>res_pjsip_session</depend>
|
2013-04-25 18:25:31 +00:00
|
|
|
<support_level>core</support_level>
|
|
|
|
***/
|
|
|
|
|
|
|
|
#include "asterisk.h"
|
|
|
|
|
|
|
|
#include <pjsip.h>
|
|
|
|
#include <pjsip_ua.h>
|
|
|
|
#include <pjlib.h>
|
|
|
|
|
|
|
|
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
|
|
|
|
|
|
|
|
#include "asterisk/lock.h"
|
|
|
|
#include "asterisk/channel.h"
|
|
|
|
#include "asterisk/module.h"
|
|
|
|
#include "asterisk/pbx.h"
|
|
|
|
#include "asterisk/rtp_engine.h"
|
|
|
|
#include "asterisk/acl.h"
|
|
|
|
#include "asterisk/callerid.h"
|
|
|
|
#include "asterisk/file.h"
|
|
|
|
#include "asterisk/cli.h"
|
|
|
|
#include "asterisk/app.h"
|
|
|
|
#include "asterisk/musiconhold.h"
|
|
|
|
#include "asterisk/causes.h"
|
|
|
|
#include "asterisk/taskprocessor.h"
|
2013-06-22 14:03:22 +00:00
|
|
|
#include "asterisk/dsp.h"
|
2013-06-22 12:40:16 +00:00
|
|
|
#include "asterisk/stasis_endpoints.h"
|
|
|
|
#include "asterisk/stasis_channels.h"
|
2013-07-18 19:25:51 +00:00
|
|
|
#include "asterisk/indications.h"
|
2013-04-25 18:25:31 +00:00
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
#include "asterisk/res_pjsip.h"
|
|
|
|
#include "asterisk/res_pjsip_session.h"
|
2013-04-25 18:25:31 +00:00
|
|
|
|
2013-12-11 13:06:30 +00:00
|
|
|
#include "pjsip/include/chan_pjsip.h"
|
|
|
|
#include "pjsip/include/dialplan_functions.h"
|
2013-04-25 18:25:31 +00:00
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
static const char desc[] = "PJSIP Channel";
|
|
|
|
static const char channel_type[] = "PJSIP";
|
2013-04-25 18:25:31 +00:00
|
|
|
|
2013-06-22 12:40:16 +00:00
|
|
|
static unsigned int chan_idx;
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
static void chan_pjsip_pvt_dtor(void *obj)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
2013-07-30 18:14:50 +00:00
|
|
|
struct chan_pjsip_pvt *pvt = obj;
|
2013-04-25 18:25:31 +00:00
|
|
|
int i;
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
for (i = 0; i < SIP_MEDIA_SIZE; ++i) {
|
|
|
|
ao2_cleanup(pvt->media[i]);
|
|
|
|
pvt->media[i] = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* \brief Asterisk core interaction functions */
|
2013-07-30 18:14:50 +00:00
|
|
|
static struct ast_channel *chan_pjsip_request(const char *type, struct ast_format_cap *cap, const struct ast_channel *requestor, const char *data, int *cause);
|
|
|
|
static int chan_pjsip_sendtext(struct ast_channel *ast, const char *text);
|
|
|
|
static int chan_pjsip_digit_begin(struct ast_channel *ast, char digit);
|
|
|
|
static int chan_pjsip_digit_end(struct ast_channel *ast, char digit, unsigned int duration);
|
|
|
|
static int chan_pjsip_call(struct ast_channel *ast, const char *dest, int timeout);
|
|
|
|
static int chan_pjsip_hangup(struct ast_channel *ast);
|
|
|
|
static int chan_pjsip_answer(struct ast_channel *ast);
|
|
|
|
static struct ast_frame *chan_pjsip_read(struct ast_channel *ast);
|
|
|
|
static int chan_pjsip_write(struct ast_channel *ast, struct ast_frame *f);
|
|
|
|
static int chan_pjsip_indicate(struct ast_channel *ast, int condition, const void *data, size_t datalen);
|
|
|
|
static int chan_pjsip_transfer(struct ast_channel *ast, const char *target);
|
|
|
|
static int chan_pjsip_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
|
|
|
|
static int chan_pjsip_devicestate(const char *data);
|
|
|
|
static int chan_pjsip_queryoption(struct ast_channel *ast, int option, void *data, int *datalen);
|
2013-04-25 18:25:31 +00:00
|
|
|
|
|
|
|
/*! \brief PBX interface structure for channel registration */
|
2013-12-11 13:06:30 +00:00
|
|
|
struct ast_channel_tech chan_pjsip_tech = {
|
2013-04-25 18:25:31 +00:00
|
|
|
.type = channel_type,
|
2013-07-30 18:14:50 +00:00
|
|
|
.description = "PJSIP Channel Driver",
|
|
|
|
.requester = chan_pjsip_request,
|
|
|
|
.send_text = chan_pjsip_sendtext,
|
|
|
|
.send_digit_begin = chan_pjsip_digit_begin,
|
|
|
|
.send_digit_end = chan_pjsip_digit_end,
|
|
|
|
.call = chan_pjsip_call,
|
|
|
|
.hangup = chan_pjsip_hangup,
|
|
|
|
.answer = chan_pjsip_answer,
|
|
|
|
.read = chan_pjsip_read,
|
|
|
|
.write = chan_pjsip_write,
|
|
|
|
.write_video = chan_pjsip_write,
|
|
|
|
.exception = chan_pjsip_read,
|
|
|
|
.indicate = chan_pjsip_indicate,
|
|
|
|
.transfer = chan_pjsip_transfer,
|
|
|
|
.fixup = chan_pjsip_fixup,
|
|
|
|
.devicestate = chan_pjsip_devicestate,
|
|
|
|
.queryoption = chan_pjsip_queryoption,
|
2013-12-11 13:06:30 +00:00
|
|
|
.func_channel_read = pjsip_acf_channel_read,
|
2013-04-25 18:25:31 +00:00
|
|
|
.properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER
|
|
|
|
};
|
|
|
|
|
|
|
|
/*! \brief SIP session interaction functions */
|
2013-07-30 18:14:50 +00:00
|
|
|
static void chan_pjsip_session_begin(struct ast_sip_session *session);
|
|
|
|
static void chan_pjsip_session_end(struct ast_sip_session *session);
|
|
|
|
static int chan_pjsip_incoming_request(struct ast_sip_session *session, struct pjsip_rx_data *rdata);
|
|
|
|
static void chan_pjsip_incoming_response(struct ast_sip_session *session, struct pjsip_rx_data *rdata);
|
2013-04-25 18:25:31 +00:00
|
|
|
|
|
|
|
/*! \brief SIP session supplement structure */
|
2013-07-30 18:14:50 +00:00
|
|
|
static struct ast_sip_session_supplement chan_pjsip_supplement = {
|
2013-04-25 18:25:31 +00:00
|
|
|
.method = "INVITE",
|
2014-01-15 13:16:10 +00:00
|
|
|
.priority = AST_SIP_SUPPLEMENT_PRIORITY_CHANNEL,
|
2013-07-30 18:14:50 +00:00
|
|
|
.session_begin = chan_pjsip_session_begin,
|
|
|
|
.session_end = chan_pjsip_session_end,
|
|
|
|
.incoming_request = chan_pjsip_incoming_request,
|
|
|
|
.incoming_response = chan_pjsip_incoming_response,
|
2013-04-25 18:25:31 +00:00
|
|
|
};
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
static int chan_pjsip_incoming_ack(struct ast_sip_session *session, struct pjsip_rx_data *rdata);
|
2013-04-25 18:25:31 +00:00
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
static struct ast_sip_session_supplement chan_pjsip_ack_supplement = {
|
2013-04-25 18:25:31 +00:00
|
|
|
.method = "ACK",
|
2014-01-15 13:16:10 +00:00
|
|
|
.priority = AST_SIP_SUPPLEMENT_PRIORITY_CHANNEL,
|
2013-07-30 18:14:50 +00:00
|
|
|
.incoming_request = chan_pjsip_incoming_ack,
|
2013-04-25 18:25:31 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/*! \brief Function called by RTP engine to get local audio RTP peer */
|
2013-07-30 18:14:50 +00:00
|
|
|
static enum ast_rtp_glue_result chan_pjsip_get_rtp_peer(struct ast_channel *chan, struct ast_rtp_instance **instance)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(chan);
|
2013-07-30 18:14:50 +00:00
|
|
|
struct chan_pjsip_pvt *pvt = channel->pvt;
|
2013-04-25 18:25:31 +00:00
|
|
|
struct ast_sip_endpoint *endpoint;
|
|
|
|
|
2013-07-23 12:27:03 +00:00
|
|
|
if (!pvt || !channel->session || !pvt->media[SIP_MEDIA_AUDIO]->rtp) {
|
2013-04-25 18:25:31 +00:00
|
|
|
return AST_RTP_GLUE_RESULT_FORBID;
|
|
|
|
}
|
|
|
|
|
2013-07-23 12:27:03 +00:00
|
|
|
endpoint = channel->session->endpoint;
|
2013-04-25 18:25:31 +00:00
|
|
|
|
|
|
|
*instance = pvt->media[SIP_MEDIA_AUDIO]->rtp;
|
|
|
|
ao2_ref(*instance, +1);
|
|
|
|
|
|
|
|
ast_assert(endpoint != NULL);
|
2013-07-30 15:17:56 +00:00
|
|
|
if (endpoint->media.rtp.encryption != AST_SIP_MEDIA_ENCRYPT_NONE) {
|
2013-07-23 13:52:06 +00:00
|
|
|
return AST_RTP_GLUE_RESULT_FORBID;
|
|
|
|
}
|
|
|
|
|
2013-07-30 15:17:56 +00:00
|
|
|
if (endpoint->media.direct_media.enabled) {
|
2013-04-25 18:25:31 +00:00
|
|
|
return AST_RTP_GLUE_RESULT_REMOTE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return AST_RTP_GLUE_RESULT_LOCAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Function called by RTP engine to get local video RTP peer */
|
2013-07-30 18:14:50 +00:00
|
|
|
static enum ast_rtp_glue_result chan_pjsip_get_vrtp_peer(struct ast_channel *chan, struct ast_rtp_instance **instance)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(chan);
|
2013-07-30 18:14:50 +00:00
|
|
|
struct chan_pjsip_pvt *pvt = channel->pvt;
|
2013-07-23 13:52:06 +00:00
|
|
|
struct ast_sip_endpoint *endpoint;
|
2013-04-25 18:25:31 +00:00
|
|
|
|
2013-07-23 12:27:03 +00:00
|
|
|
if (!pvt || !channel->session || !pvt->media[SIP_MEDIA_VIDEO]->rtp) {
|
2013-04-25 18:25:31 +00:00
|
|
|
return AST_RTP_GLUE_RESULT_FORBID;
|
|
|
|
}
|
|
|
|
|
2013-07-23 13:52:06 +00:00
|
|
|
endpoint = channel->session->endpoint;
|
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
*instance = pvt->media[SIP_MEDIA_VIDEO]->rtp;
|
|
|
|
ao2_ref(*instance, +1);
|
|
|
|
|
2013-07-23 13:52:06 +00:00
|
|
|
ast_assert(endpoint != NULL);
|
2013-07-30 15:17:56 +00:00
|
|
|
if (endpoint->media.rtp.encryption != AST_SIP_MEDIA_ENCRYPT_NONE) {
|
2013-07-23 13:52:06 +00:00
|
|
|
return AST_RTP_GLUE_RESULT_FORBID;
|
|
|
|
}
|
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
return AST_RTP_GLUE_RESULT_LOCAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Function called by RTP engine to get peer capabilities */
|
2013-07-30 18:14:50 +00:00
|
|
|
static void chan_pjsip_get_codec(struct ast_channel *chan, struct ast_format_cap *result)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(chan);
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-07-30 15:17:56 +00:00
|
|
|
ast_format_cap_copy(result, channel->session->endpoint->media.codecs);
|
2013-04-25 18:25:31 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int send_direct_media_request(void *data)
|
|
|
|
{
|
|
|
|
RAII_VAR(struct ast_sip_session *, session, data, ao2_cleanup);
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-07-30 15:17:56 +00:00
|
|
|
return ast_sip_session_refresh(session, NULL, NULL, NULL,
|
|
|
|
session->endpoint->media.direct_media.method, 1);
|
2013-04-25 18:25:31 +00:00
|
|
|
}
|
|
|
|
|
2013-12-11 13:06:30 +00:00
|
|
|
/*! \brief Destructor function for \ref transport_info_data */
|
|
|
|
static void transport_info_destroy(void *obj)
|
|
|
|
{
|
|
|
|
struct transport_info_data *data = obj;
|
|
|
|
ast_free(data);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Datastore used to store local/remote addresses for the
|
|
|
|
* INVITE request that created the PJSIP channel */
|
|
|
|
static struct ast_datastore_info transport_info = {
|
|
|
|
.type = "chan_pjsip_transport_info",
|
|
|
|
.destroy = transport_info_destroy,
|
|
|
|
};
|
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
static struct ast_datastore_info direct_media_mitigation_info = { };
|
|
|
|
|
|
|
|
static int direct_media_mitigate_glare(struct ast_sip_session *session)
|
|
|
|
{
|
|
|
|
RAII_VAR(struct ast_datastore *, datastore, NULL, ao2_cleanup);
|
|
|
|
|
2013-07-30 15:17:56 +00:00
|
|
|
if (session->endpoint->media.direct_media.glare_mitigation ==
|
2013-04-25 18:25:31 +00:00
|
|
|
AST_SIP_DIRECT_MEDIA_GLARE_MITIGATION_NONE) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
datastore = ast_sip_session_get_datastore(session, "direct_media_glare_mitigation");
|
|
|
|
if (!datastore) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Removing the datastore ensures we won't try to mitigate glare on subsequent reinvites */
|
|
|
|
ast_sip_session_remove_datastore(session, "direct_media_glare_mitigation");
|
|
|
|
|
2013-07-30 15:17:56 +00:00
|
|
|
if ((session->endpoint->media.direct_media.glare_mitigation ==
|
2013-04-25 18:25:31 +00:00
|
|
|
AST_SIP_DIRECT_MEDIA_GLARE_MITIGATION_OUTGOING &&
|
|
|
|
session->inv_session->role == PJSIP_ROLE_UAC) ||
|
2013-07-30 15:17:56 +00:00
|
|
|
(session->endpoint->media.direct_media.glare_mitigation ==
|
2013-04-25 18:25:31 +00:00
|
|
|
AST_SIP_DIRECT_MEDIA_GLARE_MITIGATION_INCOMING &&
|
|
|
|
session->inv_session->role == PJSIP_ROLE_UAS)) {
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int check_for_rtp_changes(struct ast_channel *chan, struct ast_rtp_instance *rtp,
|
|
|
|
struct ast_sip_session_media *media, int rtcp_fd)
|
|
|
|
{
|
|
|
|
int changed = 0;
|
|
|
|
|
|
|
|
if (rtp) {
|
|
|
|
changed = ast_rtp_instance_get_and_cmp_remote_address(rtp, &media->direct_media_addr);
|
|
|
|
if (media->rtp) {
|
|
|
|
ast_channel_set_fd(chan, rtcp_fd, -1);
|
|
|
|
ast_rtp_instance_set_prop(media->rtp, AST_RTP_PROPERTY_RTCP, 0);
|
|
|
|
}
|
|
|
|
} else if (!ast_sockaddr_isnull(&media->direct_media_addr)){
|
|
|
|
ast_sockaddr_setnull(&media->direct_media_addr);
|
|
|
|
changed = 1;
|
|
|
|
if (media->rtp) {
|
|
|
|
ast_rtp_instance_set_prop(media->rtp, AST_RTP_PROPERTY_RTCP, 1);
|
|
|
|
ast_channel_set_fd(chan, rtcp_fd, ast_rtp_instance_fd(media->rtp, 1));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return changed;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Function called by RTP engine to change where the remote party should send media */
|
2013-07-30 18:14:50 +00:00
|
|
|
static int chan_pjsip_set_rtp_peer(struct ast_channel *chan,
|
2013-04-25 18:25:31 +00:00
|
|
|
struct ast_rtp_instance *rtp,
|
|
|
|
struct ast_rtp_instance *vrtp,
|
|
|
|
struct ast_rtp_instance *tpeer,
|
|
|
|
const struct ast_format_cap *cap,
|
|
|
|
int nat_active)
|
|
|
|
{
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(chan);
|
2013-07-30 18:14:50 +00:00
|
|
|
struct chan_pjsip_pvt *pvt = channel->pvt;
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_session *session = channel->session;
|
2013-04-25 18:25:31 +00:00
|
|
|
int changed = 0;
|
|
|
|
|
|
|
|
/* Don't try to do any direct media shenanigans on early bridges */
|
2013-12-13 18:33:25 +00:00
|
|
|
if ((rtp || vrtp || tpeer) && !ast_channel_is_bridged(chan)) {
|
2013-04-25 18:25:31 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-07-30 15:17:56 +00:00
|
|
|
if (nat_active && session->endpoint->media.direct_media.disable_on_nat) {
|
2013-04-25 18:25:31 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (pvt->media[SIP_MEDIA_AUDIO]) {
|
|
|
|
changed |= check_for_rtp_changes(chan, rtp, pvt->media[SIP_MEDIA_AUDIO], 1);
|
|
|
|
}
|
|
|
|
if (pvt->media[SIP_MEDIA_VIDEO]) {
|
|
|
|
changed |= check_for_rtp_changes(chan, vrtp, pvt->media[SIP_MEDIA_VIDEO], 3);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (direct_media_mitigate_glare(session)) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (cap && !ast_format_cap_is_empty(cap) && !ast_format_cap_identical(session->direct_media_cap, cap)) {
|
|
|
|
ast_format_cap_copy(session->direct_media_cap, cap);
|
|
|
|
changed = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (changed) {
|
|
|
|
ao2_ref(session, +1);
|
2013-06-22 14:03:22 +00:00
|
|
|
|
|
|
|
|
|
|
|
if (ast_sip_push_task(session->serializer, send_direct_media_request, session)) {
|
|
|
|
ao2_cleanup(session);
|
|
|
|
}
|
2013-04-25 18:25:31 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Local glue for interacting with the RTP engine core */
|
2013-07-30 18:14:50 +00:00
|
|
|
static struct ast_rtp_glue chan_pjsip_rtp_glue = {
|
|
|
|
.type = "PJSIP",
|
|
|
|
.get_rtp_info = chan_pjsip_get_rtp_peer,
|
|
|
|
.get_vrtp_info = chan_pjsip_get_vrtp_peer,
|
|
|
|
.get_codec = chan_pjsip_get_codec,
|
|
|
|
.update_peer = chan_pjsip_set_rtp_peer,
|
2013-04-25 18:25:31 +00:00
|
|
|
};
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
/*! \brief Function called to create a new PJSIP Asterisk channel */
|
|
|
|
static struct ast_channel *chan_pjsip_new(struct ast_sip_session *session, int state, const char *exten, const char *title, const char *linkedid, const char *cid_name)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
|
|
|
struct ast_channel *chan;
|
|
|
|
struct ast_format fmt;
|
2013-07-30 18:14:50 +00:00
|
|
|
RAII_VAR(struct chan_pjsip_pvt *, pvt, NULL, ao2_cleanup);
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel;
|
2014-01-02 19:08:19 +00:00
|
|
|
struct ast_variable *var;
|
2013-04-25 18:25:31 +00:00
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
if (!(pvt = ao2_alloc(sizeof(*pvt), chan_pjsip_pvt_dtor))) {
|
2013-04-25 18:25:31 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
if (!(chan = ast_channel_alloc(1, state, S_OR(session->id.number.str, ""), S_OR(session->id.name.str, ""), "", "", "", linkedid, 0, "PJSIP/%s-%08x", ast_sorcery_object_get_id(session->endpoint),
|
2013-06-22 12:40:16 +00:00
|
|
|
ast_atomic_fetchadd_int((int *)&chan_idx, +1)))) {
|
2013-04-25 18:25:31 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_channel_tech_set(chan, &chan_pjsip_tech);
|
2013-04-25 18:25:31 +00:00
|
|
|
|
2013-07-23 12:27:03 +00:00
|
|
|
if (!(channel = ast_sip_channel_pvt_alloc(pvt, session))) {
|
2013-12-18 19:28:05 +00:00
|
|
|
ast_channel_unlock(chan);
|
2013-07-23 12:27:03 +00:00
|
|
|
ast_hangup(chan);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2014-01-02 19:08:19 +00:00
|
|
|
for (var = session->endpoint->channel_vars; var; var = var->next) {
|
|
|
|
char buf[512];
|
|
|
|
pbx_builtin_setvar_helper(chan, var->name, ast_get_encoded_str(
|
|
|
|
var->value, buf, sizeof(buf)));
|
|
|
|
}
|
2013-12-18 20:33:37 +00:00
|
|
|
|
2013-12-05 22:10:20 +00:00
|
|
|
ast_channel_stage_snapshot(chan);
|
|
|
|
|
2013-07-23 12:27:03 +00:00
|
|
|
ast_channel_tech_pvt_set(chan, channel);
|
2013-07-05 17:33:33 +00:00
|
|
|
|
2013-07-30 15:17:56 +00:00
|
|
|
if (ast_format_cap_is_empty(session->req_caps) || !ast_format_cap_has_joint(session->req_caps, session->endpoint->media.codecs)) {
|
|
|
|
ast_format_cap_copy(ast_channel_nativeformats(chan), session->endpoint->media.codecs);
|
2013-04-25 18:25:31 +00:00
|
|
|
} else {
|
|
|
|
ast_format_cap_copy(ast_channel_nativeformats(chan), session->req_caps);
|
|
|
|
}
|
|
|
|
|
2013-07-30 15:17:56 +00:00
|
|
|
ast_codec_choose(&session->endpoint->media.prefs, ast_channel_nativeformats(chan), 1, &fmt);
|
2013-04-25 18:25:31 +00:00
|
|
|
ast_format_copy(ast_channel_writeformat(chan), &fmt);
|
|
|
|
ast_format_copy(ast_channel_rawwriteformat(chan), &fmt);
|
|
|
|
ast_format_copy(ast_channel_readformat(chan), &fmt);
|
|
|
|
ast_format_copy(ast_channel_rawreadformat(chan), &fmt);
|
|
|
|
|
|
|
|
if (state == AST_STATE_RING) {
|
|
|
|
ast_channel_rings_set(chan, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
ast_channel_adsicpe_set(chan, AST_ADSI_UNAVAILABLE);
|
|
|
|
|
|
|
|
ast_channel_context_set(chan, session->endpoint->context);
|
|
|
|
ast_channel_exten_set(chan, S_OR(exten, "s"));
|
|
|
|
ast_channel_priority_set(chan, 1);
|
|
|
|
|
2013-07-30 15:17:56 +00:00
|
|
|
ast_channel_callgroup_set(chan, session->endpoint->pickup.callgroup);
|
|
|
|
ast_channel_pickupgroup_set(chan, session->endpoint->pickup.pickupgroup);
|
2013-06-22 14:03:22 +00:00
|
|
|
|
2013-07-30 15:17:56 +00:00
|
|
|
ast_channel_named_callgroups_set(chan, session->endpoint->pickup.named_callgroups);
|
|
|
|
ast_channel_named_pickupgroups_set(chan, session->endpoint->pickup.named_pickupgroups);
|
2013-06-22 14:03:22 +00:00
|
|
|
|
2013-07-18 19:25:51 +00:00
|
|
|
if (!ast_strlen_zero(session->endpoint->language)) {
|
|
|
|
ast_channel_language_set(chan, session->endpoint->language);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!ast_strlen_zero(session->endpoint->zone)) {
|
|
|
|
struct ast_tone_zone *zone = ast_get_indication_zone(session->endpoint->zone);
|
|
|
|
if (!zone) {
|
|
|
|
ast_log(LOG_ERROR, "Unknown country code '%s' for tonezone. Check indications.conf for available country codes.\n", session->endpoint->zone);
|
|
|
|
}
|
|
|
|
ast_channel_zone_set(chan, zone);
|
|
|
|
}
|
|
|
|
|
2013-12-05 22:10:20 +00:00
|
|
|
ast_channel_stage_snapshot_done(chan);
|
2013-12-18 19:28:05 +00:00
|
|
|
ast_channel_unlock(chan);
|
|
|
|
|
|
|
|
/* If res_pjsip_session is ever updated to create/destroy ast_sip_session_media
|
|
|
|
* during a call such as if multiple same-type stream support is introduced,
|
|
|
|
* these will need to be recaptured as well */
|
|
|
|
pvt->media[SIP_MEDIA_AUDIO] = ao2_find(session->media, "audio", OBJ_KEY);
|
|
|
|
pvt->media[SIP_MEDIA_VIDEO] = ao2_find(session->media, "video", OBJ_KEY);
|
|
|
|
if (pvt->media[SIP_MEDIA_AUDIO] && pvt->media[SIP_MEDIA_AUDIO]->rtp) {
|
|
|
|
ast_rtp_instance_set_channel_id(pvt->media[SIP_MEDIA_AUDIO]->rtp, ast_channel_uniqueid(chan));
|
|
|
|
}
|
|
|
|
if (pvt->media[SIP_MEDIA_VIDEO] && pvt->media[SIP_MEDIA_VIDEO]->rtp) {
|
|
|
|
ast_rtp_instance_set_channel_id(pvt->media[SIP_MEDIA_VIDEO]->rtp, ast_channel_uniqueid(chan));
|
|
|
|
}
|
|
|
|
|
|
|
|
ast_endpoint_add_channel(session->endpoint->persistent, chan);
|
2013-12-05 22:10:20 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
return chan;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int answer(void *data)
|
|
|
|
{
|
2013-08-23 13:58:08 +00:00
|
|
|
pj_status_t status = PJ_SUCCESS;
|
2013-04-25 18:25:31 +00:00
|
|
|
pjsip_tx_data *packet;
|
|
|
|
struct ast_sip_session *session = data;
|
|
|
|
|
2013-08-23 13:58:08 +00:00
|
|
|
pjsip_dlg_inc_lock(session->inv_session->dlg);
|
|
|
|
if (session->inv_session->invite_tsx) {
|
|
|
|
status = pjsip_inv_answer(session->inv_session, 200, NULL, NULL, &packet);
|
|
|
|
}
|
|
|
|
pjsip_dlg_dec_lock(session->inv_session->dlg);
|
|
|
|
|
|
|
|
if (status == PJ_SUCCESS && packet) {
|
2013-04-25 18:25:31 +00:00
|
|
|
ast_sip_session_send_response(session, packet);
|
|
|
|
}
|
|
|
|
|
|
|
|
ao2_ref(session, -1);
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
return (status == PJ_SUCCESS) ? 0 : -1;
|
|
|
|
}
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
/*! \brief Function called by core when we should answer a PJSIP session */
|
|
|
|
static int chan_pjsip_answer(struct ast_channel *ast)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(ast);
|
2013-04-25 18:25:31 +00:00
|
|
|
|
|
|
|
if (ast_channel_state(ast) == AST_STATE_UP) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
ast_setstate(ast, AST_STATE_UP);
|
|
|
|
|
2013-07-23 12:27:03 +00:00
|
|
|
ao2_ref(channel->session, +1);
|
|
|
|
if (ast_sip_push_task(channel->session->serializer, answer, channel->session)) {
|
2013-04-25 18:25:31 +00:00
|
|
|
ast_log(LOG_WARNING, "Unable to push answer task to the threadpool. Cannot answer call\n");
|
2013-07-23 12:27:03 +00:00
|
|
|
ao2_cleanup(channel->session);
|
2013-04-25 18:25:31 +00:00
|
|
|
return -1;
|
|
|
|
}
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-07-30 14:16:41 +00:00
|
|
|
/*! \brief Internal helper function called when CNG tone is detected */
|
2013-07-30 18:14:50 +00:00
|
|
|
static struct ast_frame *chan_pjsip_cng_tone_detected(struct ast_sip_session *session, struct ast_frame *f)
|
2013-07-30 14:16:41 +00:00
|
|
|
{
|
|
|
|
const char *target_context;
|
|
|
|
int exists;
|
|
|
|
|
|
|
|
/* If we only needed this DSP for fax detection purposes we can just drop it now */
|
|
|
|
if (session->endpoint->dtmf == AST_SIP_DTMF_INBAND) {
|
|
|
|
ast_dsp_set_features(session->dsp, DSP_FEATURE_DIGIT_DETECT);
|
|
|
|
} else {
|
|
|
|
ast_dsp_free(session->dsp);
|
|
|
|
session->dsp = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If already executing in the fax extension don't do anything */
|
|
|
|
if (!strcmp(ast_channel_exten(session->channel), "fax")) {
|
|
|
|
return f;
|
|
|
|
}
|
|
|
|
|
|
|
|
target_context = S_OR(ast_channel_macrocontext(session->channel), ast_channel_context(session->channel));
|
|
|
|
|
|
|
|
/* We need to unlock the channel here because ast_exists_extension has the
|
|
|
|
* potential to start and stop an autoservice on the channel. Such action
|
|
|
|
* is prone to deadlock if the channel is locked.
|
|
|
|
*/
|
|
|
|
ast_channel_unlock(session->channel);
|
|
|
|
exists = ast_exists_extension(session->channel, target_context, "fax", 1,
|
|
|
|
S_COR(ast_channel_caller(session->channel)->id.number.valid,
|
|
|
|
ast_channel_caller(session->channel)->id.number.str, NULL));
|
|
|
|
ast_channel_lock(session->channel);
|
|
|
|
|
|
|
|
if (exists) {
|
|
|
|
ast_verb(2, "Redirecting '%s' to fax extension due to CNG detection\n",
|
|
|
|
ast_channel_name(session->channel));
|
|
|
|
pbx_builtin_setvar_helper(session->channel, "FAXEXTEN", ast_channel_exten(session->channel));
|
|
|
|
if (ast_async_goto(session->channel, target_context, "fax", 1)) {
|
|
|
|
ast_log(LOG_ERROR, "Failed to async goto '%s' into fax extension in '%s'\n",
|
|
|
|
ast_channel_name(session->channel), target_context);
|
|
|
|
}
|
|
|
|
ast_frfree(f);
|
|
|
|
f = &ast_null_frame;
|
|
|
|
} else {
|
|
|
|
ast_log(LOG_NOTICE, "FAX CNG detected on '%s' but no fax extension in '%s'\n",
|
|
|
|
ast_channel_name(session->channel), target_context);
|
|
|
|
}
|
|
|
|
|
|
|
|
return f;
|
|
|
|
}
|
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
/*! \brief Function called by core to read any waiting frames */
|
2013-07-30 18:14:50 +00:00
|
|
|
static struct ast_frame *chan_pjsip_read(struct ast_channel *ast)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(ast);
|
2013-07-30 18:14:50 +00:00
|
|
|
struct chan_pjsip_pvt *pvt = channel->pvt;
|
2013-04-25 18:25:31 +00:00
|
|
|
struct ast_frame *f;
|
|
|
|
struct ast_sip_session_media *media = NULL;
|
|
|
|
int rtcp = 0;
|
|
|
|
int fdno = ast_channel_fdno(ast);
|
|
|
|
|
|
|
|
switch (fdno) {
|
|
|
|
case 0:
|
|
|
|
media = pvt->media[SIP_MEDIA_AUDIO];
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
media = pvt->media[SIP_MEDIA_AUDIO];
|
|
|
|
rtcp = 1;
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
media = pvt->media[SIP_MEDIA_VIDEO];
|
|
|
|
break;
|
|
|
|
case 3:
|
|
|
|
media = pvt->media[SIP_MEDIA_VIDEO];
|
|
|
|
rtcp = 1;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!media || !media->rtp) {
|
|
|
|
return &ast_null_frame;
|
|
|
|
}
|
|
|
|
|
2013-06-22 14:03:22 +00:00
|
|
|
if (!(f = ast_rtp_instance_read(media->rtp, rtcp))) {
|
|
|
|
return f;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (f->frametype != AST_FRAME_VOICE) {
|
|
|
|
return f;
|
|
|
|
}
|
2013-04-25 18:25:31 +00:00
|
|
|
|
2013-06-22 14:03:22 +00:00
|
|
|
if (!(ast_format_cap_iscompatible(ast_channel_nativeformats(ast), &f->subclass.format))) {
|
|
|
|
ast_debug(1, "Oooh, format changed to %s\n", ast_getformatname(&f->subclass.format));
|
|
|
|
ast_format_cap_set(ast_channel_nativeformats(ast), &f->subclass.format);
|
|
|
|
ast_set_read_format(ast, ast_channel_readformat(ast));
|
|
|
|
ast_set_write_format(ast, ast_channel_writeformat(ast));
|
|
|
|
}
|
|
|
|
|
2013-07-23 12:27:03 +00:00
|
|
|
if (channel->session->dsp) {
|
|
|
|
f = ast_dsp_process(ast, channel->session->dsp, f);
|
2013-06-22 14:03:22 +00:00
|
|
|
|
|
|
|
if (f && (f->frametype == AST_FRAME_DTMF)) {
|
2013-07-30 14:16:41 +00:00
|
|
|
if (f->subclass.integer == 'f') {
|
|
|
|
ast_debug(3, "Fax CNG detected on %s\n", ast_channel_name(ast));
|
2013-07-30 18:14:50 +00:00
|
|
|
f = chan_pjsip_cng_tone_detected(channel->session, f);
|
2013-07-30 14:16:41 +00:00
|
|
|
} else {
|
|
|
|
ast_debug(3, "* Detected inband DTMF '%c' on '%s'\n", f->subclass.integer,
|
|
|
|
ast_channel_name(ast));
|
|
|
|
}
|
2013-04-25 18:25:31 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return f;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Function called by core to write frames */
|
2013-07-30 18:14:50 +00:00
|
|
|
static int chan_pjsip_write(struct ast_channel *ast, struct ast_frame *frame)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(ast);
|
2013-07-30 18:14:50 +00:00
|
|
|
struct chan_pjsip_pvt *pvt = channel->pvt;
|
2013-04-25 18:25:31 +00:00
|
|
|
struct ast_sip_session_media *media;
|
2013-05-13 17:20:33 +00:00
|
|
|
int res = 0;
|
2013-04-25 18:25:31 +00:00
|
|
|
|
|
|
|
switch (frame->frametype) {
|
|
|
|
case AST_FRAME_VOICE:
|
|
|
|
media = pvt->media[SIP_MEDIA_AUDIO];
|
|
|
|
|
|
|
|
if (!media) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
if (!(ast_format_cap_iscompatible(ast_channel_nativeformats(ast), &frame->subclass.format))) {
|
|
|
|
char buf[256];
|
|
|
|
|
|
|
|
ast_log(LOG_WARNING,
|
|
|
|
"Asked to transmit frame type %s, while native formats is %s (read/write = %s/%s)\n",
|
|
|
|
ast_getformatname(&frame->subclass.format),
|
|
|
|
ast_getformatname_multiple(buf, sizeof(buf), ast_channel_nativeformats(ast)),
|
|
|
|
ast_getformatname(ast_channel_readformat(ast)),
|
|
|
|
ast_getformatname(ast_channel_writeformat(ast)));
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
if (media->rtp) {
|
|
|
|
res = ast_rtp_instance_write(media->rtp, frame);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case AST_FRAME_VIDEO:
|
|
|
|
if ((media = pvt->media[SIP_MEDIA_VIDEO]) && media->rtp) {
|
|
|
|
res = ast_rtp_instance_write(media->rtp, frame);
|
|
|
|
}
|
|
|
|
break;
|
2013-07-30 14:16:41 +00:00
|
|
|
case AST_FRAME_MODEM:
|
|
|
|
break;
|
2013-04-25 18:25:31 +00:00
|
|
|
default:
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_log(LOG_WARNING, "Can't send %d type frames with PJSIP\n", frame->frametype);
|
2013-04-25 18:25:31 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
struct fixup_data {
|
|
|
|
struct ast_sip_session *session;
|
|
|
|
struct ast_channel *chan;
|
|
|
|
};
|
|
|
|
|
|
|
|
static int fixup(void *data)
|
|
|
|
{
|
|
|
|
struct fixup_data *fix_data = data;
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(fix_data->chan);
|
2013-07-30 18:14:50 +00:00
|
|
|
struct chan_pjsip_pvt *pvt = channel->pvt;
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-07-23 12:27:03 +00:00
|
|
|
channel->session->channel = fix_data->chan;
|
2013-07-05 17:33:33 +00:00
|
|
|
if (pvt->media[SIP_MEDIA_AUDIO] && pvt->media[SIP_MEDIA_AUDIO]->rtp) {
|
|
|
|
ast_rtp_instance_set_channel_id(pvt->media[SIP_MEDIA_AUDIO]->rtp, ast_channel_uniqueid(fix_data->chan));
|
|
|
|
}
|
|
|
|
if (pvt->media[SIP_MEDIA_VIDEO] && pvt->media[SIP_MEDIA_VIDEO]->rtp) {
|
|
|
|
ast_rtp_instance_set_channel_id(pvt->media[SIP_MEDIA_VIDEO]->rtp, ast_channel_uniqueid(fix_data->chan));
|
|
|
|
}
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Function called by core to change the underlying owner channel */
|
2013-07-30 18:14:50 +00:00
|
|
|
static int chan_pjsip_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(newchan);
|
2013-12-12 19:18:06 +00:00
|
|
|
struct fixup_data fix_data;
|
|
|
|
|
|
|
|
fix_data.session = channel->session;
|
|
|
|
fix_data.chan = newchan;
|
2013-04-25 18:25:31 +00:00
|
|
|
|
2013-12-12 19:18:06 +00:00
|
|
|
if (channel->session->channel != oldchan) {
|
2013-04-25 18:25:31 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2013-12-12 19:18:06 +00:00
|
|
|
if (ast_sip_push_task_synchronous(channel->session->serializer, fixup, &fix_data)) {
|
2013-04-25 18:25:31 +00:00
|
|
|
ast_log(LOG_WARNING, "Unable to perform channel fixup\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-01-20 18:18:25 +00:00
|
|
|
/*! AO2 hash function for on hold UIDs */
|
|
|
|
static int uid_hold_hash_fn(const void *obj, const int flags)
|
|
|
|
{
|
|
|
|
const char *key = obj;
|
|
|
|
|
|
|
|
switch (flags & OBJ_SEARCH_MASK) {
|
|
|
|
case OBJ_SEARCH_KEY:
|
|
|
|
break;
|
|
|
|
case OBJ_SEARCH_OBJECT:
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
/* Hash can only work on something with a full key. */
|
|
|
|
ast_assert(0);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
return ast_str_hash(key);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! AO2 sort function for on hold UIDs */
|
|
|
|
static int uid_hold_sort_fn(const void *obj_left, const void *obj_right, const int flags)
|
|
|
|
{
|
|
|
|
const char *left = obj_left;
|
|
|
|
const char *right = obj_right;
|
|
|
|
int cmp;
|
|
|
|
|
|
|
|
switch (flags & OBJ_SEARCH_MASK) {
|
|
|
|
case OBJ_SEARCH_OBJECT:
|
|
|
|
case OBJ_SEARCH_KEY:
|
|
|
|
cmp = strcmp(left, right);
|
|
|
|
break;
|
|
|
|
case OBJ_SEARCH_PARTIAL_KEY:
|
|
|
|
cmp = strncmp(left, right, strlen(right));
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
/* Sort can only work on something with a full or partial key. */
|
|
|
|
ast_assert(0);
|
|
|
|
cmp = 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return cmp;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct ao2_container *pjsip_uids_onhold;
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Add a channel ID to the list of PJSIP channels on hold
|
|
|
|
*
|
|
|
|
* \param chan_uid - Unique ID of the channel being put into the hold list
|
|
|
|
*
|
|
|
|
* \retval 0 Channel has been added to or was already in the hold list
|
|
|
|
* \retval -1 Failed to add channel to the hold list
|
|
|
|
*/
|
|
|
|
static int chan_pjsip_add_hold(const char *chan_uid)
|
|
|
|
{
|
|
|
|
RAII_VAR(char *, hold_uid, NULL, ao2_cleanup);
|
|
|
|
|
|
|
|
hold_uid = ao2_find(pjsip_uids_onhold, chan_uid, OBJ_SEARCH_KEY);
|
|
|
|
if (hold_uid) {
|
|
|
|
/* Device is already on hold. Nothing to do. */
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Device wasn't in hold list already. Create a new one. */
|
|
|
|
hold_uid = ao2_alloc_options(strlen(chan_uid) + 1, NULL,
|
|
|
|
AO2_ALLOC_OPT_LOCK_NOLOCK);
|
|
|
|
if (!hold_uid) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
ast_copy_string(hold_uid, chan_uid, strlen(chan_uid) + 1);
|
|
|
|
|
|
|
|
if (ao2_link(pjsip_uids_onhold, hold_uid) == 0) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Remove a channel ID from the list of PJSIP channels on hold
|
|
|
|
*
|
|
|
|
* \param chan_uid - Unique ID of the channel being taken out of the hold list
|
|
|
|
*/
|
|
|
|
static void chan_pjsip_remove_hold(const char *chan_uid)
|
|
|
|
{
|
|
|
|
ao2_find(pjsip_uids_onhold, chan_uid, OBJ_SEARCH_KEY | OBJ_UNLINK | OBJ_NODATA);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Determine whether a channel ID is in the list of PJSIP channels on hold
|
|
|
|
*
|
|
|
|
* \param chan_uid - Channel being checked
|
|
|
|
*
|
|
|
|
* \retval 0 The channel is not in the hold list
|
|
|
|
* \retval 1 The channel is in the hold list
|
|
|
|
*/
|
|
|
|
static int chan_pjsip_get_hold(const char *chan_uid)
|
|
|
|
{
|
|
|
|
RAII_VAR(char *, hold_uid, NULL, ao2_cleanup);
|
|
|
|
|
|
|
|
hold_uid = ao2_find(pjsip_uids_onhold, chan_uid, OBJ_SEARCH_KEY);
|
|
|
|
if (!hold_uid) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2013-06-22 12:40:16 +00:00
|
|
|
/*! \brief Function called to get the device state of an endpoint */
|
2013-07-30 18:14:50 +00:00
|
|
|
static int chan_pjsip_devicestate(const char *data)
|
2013-06-22 12:40:16 +00:00
|
|
|
{
|
|
|
|
RAII_VAR(struct ast_sip_endpoint *, endpoint, ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", data), ao2_cleanup);
|
|
|
|
enum ast_device_state state = AST_DEVICE_UNKNOWN;
|
|
|
|
RAII_VAR(struct ast_endpoint_snapshot *, endpoint_snapshot, NULL, ao2_cleanup);
|
2013-08-01 15:31:03 +00:00
|
|
|
RAII_VAR(struct stasis_cache *, cache, NULL, ao2_cleanup);
|
2013-06-22 12:40:16 +00:00
|
|
|
struct ast_devstate_aggregate aggregate;
|
|
|
|
int num, inuse = 0;
|
|
|
|
|
|
|
|
if (!endpoint) {
|
|
|
|
return AST_DEVICE_INVALID;
|
|
|
|
}
|
|
|
|
|
|
|
|
endpoint_snapshot = ast_endpoint_latest_snapshot(ast_endpoint_get_tech(endpoint->persistent),
|
2013-10-02 22:22:17 +00:00
|
|
|
ast_endpoint_get_resource(endpoint->persistent));
|
|
|
|
|
|
|
|
if (!endpoint_snapshot) {
|
|
|
|
return AST_DEVICE_INVALID;
|
|
|
|
}
|
2013-06-22 12:40:16 +00:00
|
|
|
|
|
|
|
if (endpoint_snapshot->state == AST_ENDPOINT_OFFLINE) {
|
|
|
|
state = AST_DEVICE_UNAVAILABLE;
|
|
|
|
} else if (endpoint_snapshot->state == AST_ENDPOINT_ONLINE) {
|
|
|
|
state = AST_DEVICE_NOT_INUSE;
|
|
|
|
}
|
|
|
|
|
2013-08-01 15:31:03 +00:00
|
|
|
if (!endpoint_snapshot->num_channels || !(cache = ast_channel_cache())) {
|
2013-06-22 12:40:16 +00:00
|
|
|
return state;
|
|
|
|
}
|
|
|
|
|
|
|
|
ast_devstate_aggregate_init(&aggregate);
|
|
|
|
|
2013-08-01 15:31:03 +00:00
|
|
|
ao2_ref(cache, +1);
|
2013-06-22 12:40:16 +00:00
|
|
|
|
|
|
|
for (num = 0; num < endpoint_snapshot->num_channels; num++) {
|
2013-08-01 15:31:03 +00:00
|
|
|
RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup);
|
2013-06-22 12:40:16 +00:00
|
|
|
struct ast_channel_snapshot *snapshot;
|
|
|
|
|
2013-08-01 15:31:03 +00:00
|
|
|
msg = stasis_cache_get(cache, ast_channel_snapshot_type(),
|
|
|
|
endpoint_snapshot->channel_ids[num]);
|
|
|
|
|
2013-06-22 12:40:16 +00:00
|
|
|
if (!msg) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
snapshot = stasis_message_data(msg);
|
|
|
|
|
|
|
|
if (snapshot->state == AST_STATE_DOWN) {
|
|
|
|
ast_devstate_aggregate_add(&aggregate, AST_DEVICE_NOT_INUSE);
|
|
|
|
} else if (snapshot->state == AST_STATE_RINGING) {
|
|
|
|
ast_devstate_aggregate_add(&aggregate, AST_DEVICE_RINGING);
|
|
|
|
} else if ((snapshot->state == AST_STATE_UP) || (snapshot->state == AST_STATE_RING) ||
|
|
|
|
(snapshot->state == AST_STATE_BUSY)) {
|
2014-01-20 18:18:25 +00:00
|
|
|
if (chan_pjsip_get_hold(snapshot->uniqueid)) {
|
|
|
|
ast_devstate_aggregate_add(&aggregate, AST_DEVICE_ONHOLD);
|
|
|
|
} else {
|
|
|
|
ast_devstate_aggregate_add(&aggregate, AST_DEVICE_INUSE);
|
|
|
|
}
|
2013-06-22 12:40:16 +00:00
|
|
|
inuse++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (endpoint->devicestate_busy_at && (inuse == endpoint->devicestate_busy_at)) {
|
|
|
|
state = AST_DEVICE_BUSY;
|
|
|
|
} else if (ast_devstate_aggregate_result(&aggregate) != AST_DEVICE_INVALID) {
|
|
|
|
state = ast_devstate_aggregate_result(&aggregate);
|
|
|
|
}
|
|
|
|
|
|
|
|
return state;
|
|
|
|
}
|
|
|
|
|
2013-07-30 14:16:41 +00:00
|
|
|
/*! \brief Function called to query options on a channel */
|
2013-07-30 18:14:50 +00:00
|
|
|
static int chan_pjsip_queryoption(struct ast_channel *ast, int option, void *data, int *datalen)
|
2013-07-30 14:16:41 +00:00
|
|
|
{
|
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(ast);
|
|
|
|
struct ast_sip_session *session = channel->session;
|
|
|
|
int res = -1;
|
|
|
|
enum ast_sip_session_t38state state = T38_STATE_UNAVAILABLE;
|
|
|
|
|
|
|
|
switch (option) {
|
|
|
|
case AST_OPTION_T38_STATE:
|
2013-07-30 15:17:56 +00:00
|
|
|
if (session->endpoint->media.t38.enabled) {
|
2013-07-30 14:16:41 +00:00
|
|
|
switch (session->t38state) {
|
|
|
|
case T38_LOCAL_REINVITE:
|
|
|
|
case T38_PEER_REINVITE:
|
|
|
|
state = T38_STATE_NEGOTIATING;
|
|
|
|
break;
|
|
|
|
case T38_ENABLED:
|
|
|
|
state = T38_STATE_NEGOTIATED;
|
|
|
|
break;
|
|
|
|
case T38_REJECTED:
|
|
|
|
state = T38_STATE_REJECTED;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
state = T38_STATE_UNKNOWN;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
*((enum ast_t38_state *) data) = state;
|
|
|
|
res = 0;
|
|
|
|
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
struct indicate_data {
|
|
|
|
struct ast_sip_session *session;
|
|
|
|
int condition;
|
|
|
|
int response_code;
|
|
|
|
void *frame_data;
|
|
|
|
size_t datalen;
|
|
|
|
};
|
|
|
|
|
|
|
|
static void indicate_data_destroy(void *obj)
|
|
|
|
{
|
|
|
|
struct indicate_data *ind_data = obj;
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
ast_free(ind_data->frame_data);
|
|
|
|
ao2_ref(ind_data->session, -1);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct indicate_data *indicate_data_alloc(struct ast_sip_session *session,
|
|
|
|
int condition, int response_code, const void *frame_data, size_t datalen)
|
|
|
|
{
|
|
|
|
struct indicate_data *ind_data = ao2_alloc(sizeof(*ind_data), indicate_data_destroy);
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
if (!ind_data) {
|
|
|
|
return NULL;
|
|
|
|
}
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
ind_data->frame_data = ast_malloc(datalen);
|
|
|
|
if (!ind_data->frame_data) {
|
|
|
|
ao2_ref(ind_data, -1);
|
|
|
|
return NULL;
|
|
|
|
}
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
memcpy(ind_data->frame_data, frame_data, datalen);
|
|
|
|
ind_data->datalen = datalen;
|
|
|
|
ind_data->condition = condition;
|
|
|
|
ind_data->response_code = response_code;
|
|
|
|
ao2_ref(session, +1);
|
|
|
|
ind_data->session = session;
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
return ind_data;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int indicate(void *data)
|
|
|
|
{
|
2013-05-13 17:20:33 +00:00
|
|
|
pjsip_tx_data *packet = NULL;
|
2013-04-25 18:25:31 +00:00
|
|
|
struct indicate_data *ind_data = data;
|
|
|
|
struct ast_sip_session *session = ind_data->session;
|
|
|
|
int response_code = ind_data->response_code;
|
|
|
|
|
|
|
|
if (pjsip_inv_answer(session->inv_session, response_code, NULL, NULL, &packet) == PJ_SUCCESS) {
|
|
|
|
ast_sip_session_send_response(session, packet);
|
|
|
|
}
|
|
|
|
|
|
|
|
ao2_ref(ind_data, -1);
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Send SIP INFO with video update request */
|
|
|
|
static int transmit_info_with_vidupdate(void *data)
|
|
|
|
{
|
|
|
|
const char * xml =
|
|
|
|
"<?xml version=\"1.0\" encoding=\"utf-8\" ?>\r\n"
|
|
|
|
" <media_control>\r\n"
|
|
|
|
" <vc_primitive>\r\n"
|
|
|
|
" <to_encoder>\r\n"
|
|
|
|
" <picture_fast_update/>\r\n"
|
|
|
|
" </to_encoder>\r\n"
|
|
|
|
" </vc_primitive>\r\n"
|
|
|
|
" </media_control>\r\n";
|
|
|
|
|
|
|
|
const struct ast_sip_body body = {
|
|
|
|
.type = "application",
|
|
|
|
.subtype = "media_control+xml",
|
|
|
|
.body_text = xml
|
|
|
|
};
|
|
|
|
|
2013-06-22 14:03:22 +00:00
|
|
|
RAII_VAR(struct ast_sip_session *, session, data, ao2_cleanup);
|
2013-04-25 18:25:31 +00:00
|
|
|
struct pjsip_tx_data *tdata;
|
|
|
|
|
2014-01-15 13:16:10 +00:00
|
|
|
if (ast_sip_create_request("INFO", session->inv_session->dlg, session->endpoint, NULL, NULL, &tdata)) {
|
2013-04-25 18:25:31 +00:00
|
|
|
ast_log(LOG_ERROR, "Could not create text video update INFO request\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if (ast_sip_add_body(tdata, &body)) {
|
|
|
|
ast_log(LOG_ERROR, "Could not add body to text video update INFO request\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
ast_sip_session_send_request(session, tdata);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-06-22 14:03:22 +00:00
|
|
|
/*! \brief Update connected line information */
|
|
|
|
static int update_connected_line_information(void *data)
|
|
|
|
{
|
|
|
|
RAII_VAR(struct ast_sip_session *, session, data, ao2_cleanup);
|
2013-09-11 14:23:28 +00:00
|
|
|
struct ast_party_id connected_id;
|
2013-06-22 14:03:22 +00:00
|
|
|
|
|
|
|
if ((ast_channel_state(session->channel) != AST_STATE_UP) && (session->inv_session->role == PJSIP_UAS_ROLE)) {
|
|
|
|
int response_code = 0;
|
|
|
|
|
|
|
|
if (ast_channel_state(session->channel) == AST_STATE_RING) {
|
|
|
|
response_code = !session->endpoint->inband_progress ? 180 : 183;
|
|
|
|
} else if (ast_channel_state(session->channel) == AST_STATE_RINGING) {
|
|
|
|
response_code = 183;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (response_code) {
|
|
|
|
struct pjsip_tx_data *packet = NULL;
|
|
|
|
|
|
|
|
if (pjsip_inv_answer(session->inv_session, response_code, NULL, NULL, &packet) == PJ_SUCCESS) {
|
|
|
|
ast_sip_session_send_response(session, packet);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
2013-07-30 15:17:56 +00:00
|
|
|
enum ast_sip_session_refresh_method method = session->endpoint->id.refresh_method;
|
2013-06-22 14:03:22 +00:00
|
|
|
|
|
|
|
if (session->inv_session->invite_tsx && (session->inv_session->options & PJSIP_INV_SUPPORT_UPDATE)) {
|
|
|
|
method = AST_SIP_SESSION_REFRESH_METHOD_UPDATE;
|
|
|
|
}
|
|
|
|
|
2013-09-11 14:23:28 +00:00
|
|
|
connected_id = ast_channel_connected_effective_id(session->channel);
|
|
|
|
if ((session->endpoint->id.send_pai || session->endpoint->id.send_rpid) &&
|
|
|
|
(session->endpoint->id.trust_outbound ||
|
|
|
|
((connected_id.name.presentation & AST_PRES_RESTRICTION) == AST_PRES_ALLOWED &&
|
|
|
|
(connected_id.number.presentation & AST_PRES_RESTRICTION) == AST_PRES_ALLOWED))) {
|
|
|
|
ast_sip_session_refresh(session, NULL, NULL, NULL, method, 1);
|
|
|
|
}
|
2013-06-22 14:03:22 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
/*! \brief Function called by core to ask the channel to indicate some sort of condition */
|
2013-07-30 18:14:50 +00:00
|
|
|
static int chan_pjsip_indicate(struct ast_channel *ast, int condition, const void *data, size_t datalen)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(ast);
|
2013-07-30 18:14:50 +00:00
|
|
|
struct chan_pjsip_pvt *pvt = channel->pvt;
|
2013-04-25 18:25:31 +00:00
|
|
|
struct ast_sip_session_media *media;
|
|
|
|
int response_code = 0;
|
2013-05-13 17:20:33 +00:00
|
|
|
int res = 0;
|
2014-01-20 18:18:25 +00:00
|
|
|
char *device_buf;
|
|
|
|
size_t device_buf_size;
|
2013-04-25 18:25:31 +00:00
|
|
|
|
|
|
|
switch (condition) {
|
|
|
|
case AST_CONTROL_RINGING:
|
|
|
|
if (ast_channel_state(ast) == AST_STATE_RING) {
|
2013-07-23 12:27:03 +00:00
|
|
|
if (channel->session->endpoint->inband_progress) {
|
2013-06-22 14:03:22 +00:00
|
|
|
response_code = 183;
|
|
|
|
res = -1;
|
|
|
|
} else {
|
|
|
|
response_code = 180;
|
|
|
|
}
|
2013-04-25 18:25:31 +00:00
|
|
|
} else {
|
|
|
|
res = -1;
|
|
|
|
}
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_devstate_changed(AST_DEVICE_UNKNOWN, AST_DEVSTATE_CACHABLE, "PJSIP/%s", ast_sorcery_object_get_id(channel->session->endpoint));
|
2013-04-25 18:25:31 +00:00
|
|
|
break;
|
|
|
|
case AST_CONTROL_BUSY:
|
|
|
|
if (ast_channel_state(ast) != AST_STATE_UP) {
|
|
|
|
response_code = 486;
|
|
|
|
} else {
|
|
|
|
res = -1;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case AST_CONTROL_CONGESTION:
|
|
|
|
if (ast_channel_state(ast) != AST_STATE_UP) {
|
|
|
|
response_code = 503;
|
|
|
|
} else {
|
|
|
|
res = -1;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case AST_CONTROL_INCOMPLETE:
|
|
|
|
if (ast_channel_state(ast) != AST_STATE_UP) {
|
|
|
|
response_code = 484;
|
|
|
|
} else {
|
|
|
|
res = -1;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case AST_CONTROL_PROCEEDING:
|
|
|
|
if (ast_channel_state(ast) != AST_STATE_UP) {
|
|
|
|
response_code = 100;
|
|
|
|
} else {
|
|
|
|
res = -1;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case AST_CONTROL_PROGRESS:
|
|
|
|
if (ast_channel_state(ast) != AST_STATE_UP) {
|
|
|
|
response_code = 183;
|
|
|
|
} else {
|
|
|
|
res = -1;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case AST_CONTROL_VIDUPDATE:
|
|
|
|
media = pvt->media[SIP_MEDIA_VIDEO];
|
|
|
|
if (media && media->rtp) {
|
2013-08-23 15:42:27 +00:00
|
|
|
/* FIXME: Only use this for VP8. Additional work would have to be done to
|
|
|
|
* fully support other video codecs */
|
|
|
|
struct ast_format_cap *fcap = ast_channel_nativeformats(ast);
|
|
|
|
struct ast_format vp8;
|
|
|
|
ast_format_set(&vp8, AST_FORMAT_VP8, 0);
|
|
|
|
if (ast_format_cap_iscompatible(fcap, &vp8)) {
|
|
|
|
/* FIXME Fake RTP write, this will be sent as an RTCP packet. Ideally the
|
|
|
|
* RTP engine would provide a way to externally write/schedule RTCP
|
|
|
|
* packets */
|
|
|
|
struct ast_frame fr;
|
|
|
|
fr.frametype = AST_FRAME_CONTROL;
|
|
|
|
fr.subclass.integer = AST_CONTROL_VIDUPDATE;
|
|
|
|
res = ast_rtp_instance_write(media->rtp, &fr);
|
|
|
|
} else {
|
|
|
|
ao2_ref(channel->session, +1);
|
2013-06-22 14:03:22 +00:00
|
|
|
|
2013-08-23 15:42:27 +00:00
|
|
|
if (ast_sip_push_task(channel->session->serializer, transmit_info_with_vidupdate, channel->session)) {
|
|
|
|
ao2_cleanup(channel->session);
|
|
|
|
}
|
2013-06-22 14:03:22 +00:00
|
|
|
}
|
|
|
|
} else {
|
2013-04-25 18:25:31 +00:00
|
|
|
res = -1;
|
2013-06-22 14:03:22 +00:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
case AST_CONTROL_CONNECTED_LINE:
|
2013-07-23 12:27:03 +00:00
|
|
|
ao2_ref(channel->session, +1);
|
|
|
|
if (ast_sip_push_task(channel->session->serializer, update_connected_line_information, channel->session)) {
|
|
|
|
ao2_cleanup(channel->session);
|
2013-06-22 14:03:22 +00:00
|
|
|
}
|
2013-04-25 18:25:31 +00:00
|
|
|
break;
|
|
|
|
case AST_CONTROL_UPDATE_RTP_PEER:
|
2013-07-16 20:00:25 +00:00
|
|
|
break;
|
2013-04-25 18:25:31 +00:00
|
|
|
case AST_CONTROL_PVT_CAUSE_CODE:
|
2013-07-16 20:00:25 +00:00
|
|
|
res = -1;
|
2013-04-25 18:25:31 +00:00
|
|
|
break;
|
|
|
|
case AST_CONTROL_HOLD:
|
2014-01-20 18:18:25 +00:00
|
|
|
chan_pjsip_add_hold(ast_channel_uniqueid(ast));
|
|
|
|
device_buf_size = strlen(ast_channel_name(ast)) + 1;
|
|
|
|
device_buf = alloca(device_buf_size);
|
|
|
|
ast_channel_get_device_name(ast, device_buf, device_buf_size);
|
|
|
|
ast_devstate_changed_literal(AST_DEVICE_ONHOLD, 1, device_buf);
|
2013-04-25 18:25:31 +00:00
|
|
|
ast_moh_start(ast, data, NULL);
|
|
|
|
break;
|
|
|
|
case AST_CONTROL_UNHOLD:
|
2014-01-20 18:18:25 +00:00
|
|
|
chan_pjsip_remove_hold(ast_channel_uniqueid(ast));
|
|
|
|
device_buf_size = strlen(ast_channel_name(ast)) + 1;
|
|
|
|
device_buf = alloca(device_buf_size);
|
|
|
|
ast_channel_get_device_name(ast, device_buf, device_buf_size);
|
|
|
|
ast_devstate_changed_literal(AST_DEVICE_UNKNOWN, 1, device_buf);
|
2013-04-25 18:25:31 +00:00
|
|
|
ast_moh_stop(ast);
|
|
|
|
break;
|
|
|
|
case AST_CONTROL_SRCUPDATE:
|
|
|
|
break;
|
|
|
|
case AST_CONTROL_SRCCHANGE:
|
|
|
|
break;
|
2013-06-22 14:03:22 +00:00
|
|
|
case AST_CONTROL_REDIRECTING:
|
|
|
|
if (ast_channel_state(ast) != AST_STATE_UP) {
|
|
|
|
response_code = 181;
|
|
|
|
} else {
|
|
|
|
res = -1;
|
|
|
|
}
|
2013-07-30 14:16:41 +00:00
|
|
|
break;
|
|
|
|
case AST_CONTROL_T38_PARAMETERS:
|
|
|
|
res = 0;
|
|
|
|
|
|
|
|
if (channel->session->t38state == T38_PEER_REINVITE) {
|
|
|
|
const struct ast_control_t38_parameters *parameters = data;
|
|
|
|
|
|
|
|
if (parameters->request_response == AST_T38_REQUEST_PARMS) {
|
|
|
|
res = AST_T38_REQUEST_PARMS;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-06-22 14:03:22 +00:00
|
|
|
break;
|
2013-04-25 18:25:31 +00:00
|
|
|
case -1:
|
|
|
|
res = -1;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
ast_log(LOG_WARNING, "Don't know how to indicate condition %d\n", condition);
|
|
|
|
res = -1;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2013-06-22 14:03:22 +00:00
|
|
|
if (response_code) {
|
2013-07-23 12:27:03 +00:00
|
|
|
struct indicate_data *ind_data = indicate_data_alloc(channel->session, condition, response_code, data, datalen);
|
|
|
|
if (!ind_data || ast_sip_push_task(channel->session->serializer, indicate, ind_data)) {
|
2013-06-22 14:03:22 +00:00
|
|
|
ast_log(LOG_NOTICE, "Cannot send response code %d to endpoint %s. Could not queue task properly\n",
|
2013-07-23 12:27:03 +00:00
|
|
|
response_code, ast_sorcery_object_get_id(channel->session->endpoint));
|
2013-06-22 14:03:22 +00:00
|
|
|
ao2_cleanup(ind_data);
|
2013-04-25 18:25:31 +00:00
|
|
|
res = -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2013-06-22 14:03:22 +00:00
|
|
|
struct transfer_data {
|
|
|
|
struct ast_sip_session *session;
|
|
|
|
char *target;
|
|
|
|
};
|
|
|
|
|
|
|
|
static void transfer_data_destroy(void *obj)
|
|
|
|
{
|
|
|
|
struct transfer_data *trnf_data = obj;
|
|
|
|
|
|
|
|
ast_free(trnf_data->target);
|
|
|
|
ao2_cleanup(trnf_data->session);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct transfer_data *transfer_data_alloc(struct ast_sip_session *session, const char *target)
|
|
|
|
{
|
|
|
|
struct transfer_data *trnf_data = ao2_alloc(sizeof(*trnf_data), transfer_data_destroy);
|
|
|
|
|
|
|
|
if (!trnf_data) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!(trnf_data->target = ast_strdup(target))) {
|
|
|
|
ao2_ref(trnf_data, -1);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
ao2_ref(session, +1);
|
|
|
|
trnf_data->session = session;
|
|
|
|
|
|
|
|
return trnf_data;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void transfer_redirect(struct ast_sip_session *session, const char *target)
|
|
|
|
{
|
|
|
|
pjsip_tx_data *packet;
|
|
|
|
enum ast_control_transfer message = AST_TRANSFER_SUCCESS;
|
|
|
|
pjsip_contact_hdr *contact;
|
|
|
|
pj_str_t tmp;
|
|
|
|
|
|
|
|
if (pjsip_inv_end_session(session->inv_session, 302, NULL, &packet) != PJ_SUCCESS) {
|
|
|
|
message = AST_TRANSFER_FAILED;
|
|
|
|
ast_queue_control_data(session->channel, AST_CONTROL_TRANSFER, &message, sizeof(message));
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!(contact = pjsip_msg_find_hdr(packet->msg, PJSIP_H_CONTACT, NULL))) {
|
|
|
|
contact = pjsip_contact_hdr_create(packet->pool);
|
|
|
|
}
|
|
|
|
|
|
|
|
pj_strdup2_with_null(packet->pool, &tmp, target);
|
|
|
|
if (!(contact->uri = pjsip_parse_uri(packet->pool, tmp.ptr, tmp.slen, PJSIP_PARSE_URI_AS_NAMEADDR))) {
|
|
|
|
message = AST_TRANSFER_FAILED;
|
|
|
|
ast_queue_control_data(session->channel, AST_CONTROL_TRANSFER, &message, sizeof(message));
|
|
|
|
pjsip_tx_data_dec_ref(packet);
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
pjsip_msg_add_hdr(packet->msg, (pjsip_hdr *) contact);
|
|
|
|
|
|
|
|
ast_sip_session_send_response(session, packet);
|
|
|
|
ast_queue_control_data(session->channel, AST_CONTROL_TRANSFER, &message, sizeof(message));
|
|
|
|
}
|
|
|
|
|
|
|
|
static void transfer_refer(struct ast_sip_session *session, const char *target)
|
|
|
|
{
|
|
|
|
pjsip_evsub *sub;
|
|
|
|
enum ast_control_transfer message = AST_TRANSFER_SUCCESS;
|
|
|
|
pj_str_t tmp;
|
|
|
|
pjsip_tx_data *packet;
|
|
|
|
|
|
|
|
if (pjsip_xfer_create_uac(session->inv_session->dlg, NULL, &sub) != PJ_SUCCESS) {
|
|
|
|
message = AST_TRANSFER_FAILED;
|
|
|
|
ast_queue_control_data(session->channel, AST_CONTROL_TRANSFER, &message, sizeof(message));
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (pjsip_xfer_initiate(sub, pj_cstr(&tmp, target), &packet) != PJ_SUCCESS) {
|
|
|
|
message = AST_TRANSFER_FAILED;
|
|
|
|
ast_queue_control_data(session->channel, AST_CONTROL_TRANSFER, &message, sizeof(message));
|
|
|
|
pjsip_evsub_terminate(sub, PJ_FALSE);
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
pjsip_xfer_send_request(sub, packet);
|
|
|
|
ast_queue_control_data(session->channel, AST_CONTROL_TRANSFER, &message, sizeof(message));
|
|
|
|
}
|
|
|
|
|
|
|
|
static int transfer(void *data)
|
|
|
|
{
|
|
|
|
struct transfer_data *trnf_data = data;
|
|
|
|
|
|
|
|
if (ast_channel_state(trnf_data->session->channel) == AST_STATE_RING) {
|
|
|
|
transfer_redirect(trnf_data->session, trnf_data->target);
|
|
|
|
} else {
|
|
|
|
transfer_refer(trnf_data->session, trnf_data->target);
|
|
|
|
}
|
|
|
|
|
|
|
|
ao2_ref(trnf_data, -1);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Function called by core for Asterisk initiated transfer */
|
2013-07-30 18:14:50 +00:00
|
|
|
static int chan_pjsip_transfer(struct ast_channel *chan, const char *target)
|
2013-06-22 14:03:22 +00:00
|
|
|
{
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(chan);
|
|
|
|
struct transfer_data *trnf_data = transfer_data_alloc(channel->session, target);
|
2013-06-22 14:03:22 +00:00
|
|
|
|
|
|
|
if (!trnf_data) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2013-07-23 12:27:03 +00:00
|
|
|
if (ast_sip_push_task(channel->session->serializer, transfer, trnf_data)) {
|
2013-06-22 14:03:22 +00:00
|
|
|
ast_log(LOG_WARNING, "Error requesting transfer\n");
|
|
|
|
ao2_cleanup(trnf_data);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
/*! \brief Function called by core to start a DTMF digit */
|
2013-07-30 18:14:50 +00:00
|
|
|
static int chan_pjsip_digit_begin(struct ast_channel *chan, char digit)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(chan);
|
2013-07-30 18:14:50 +00:00
|
|
|
struct chan_pjsip_pvt *pvt = channel->pvt;
|
2013-04-25 18:25:31 +00:00
|
|
|
struct ast_sip_session_media *media = pvt->media[SIP_MEDIA_AUDIO];
|
2013-05-13 17:20:33 +00:00
|
|
|
int res = 0;
|
2013-04-25 18:25:31 +00:00
|
|
|
|
2013-07-23 12:27:03 +00:00
|
|
|
switch (channel->session->endpoint->dtmf) {
|
2013-04-25 18:25:31 +00:00
|
|
|
case AST_SIP_DTMF_RFC_4733:
|
|
|
|
if (!media || !media->rtp) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
ast_rtp_instance_dtmf_begin(media->rtp, digit);
|
|
|
|
case AST_SIP_DTMF_NONE:
|
|
|
|
break;
|
|
|
|
case AST_SIP_DTMF_INBAND:
|
|
|
|
res = -1;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
struct info_dtmf_data {
|
|
|
|
struct ast_sip_session *session;
|
|
|
|
char digit;
|
|
|
|
unsigned int duration;
|
|
|
|
};
|
|
|
|
|
|
|
|
static void info_dtmf_data_destroy(void *obj)
|
|
|
|
{
|
|
|
|
struct info_dtmf_data *dtmf_data = obj;
|
|
|
|
ao2_ref(dtmf_data->session, -1);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct info_dtmf_data *info_dtmf_data_alloc(struct ast_sip_session *session, char digit, unsigned int duration)
|
|
|
|
{
|
|
|
|
struct info_dtmf_data *dtmf_data = ao2_alloc(sizeof(*dtmf_data), info_dtmf_data_destroy);
|
|
|
|
if (!dtmf_data) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
ao2_ref(session, +1);
|
|
|
|
dtmf_data->session = session;
|
|
|
|
dtmf_data->digit = digit;
|
|
|
|
dtmf_data->duration = duration;
|
|
|
|
return dtmf_data;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int transmit_info_dtmf(void *data)
|
|
|
|
{
|
|
|
|
RAII_VAR(struct info_dtmf_data *, dtmf_data, data, ao2_cleanup);
|
|
|
|
|
|
|
|
struct ast_sip_session *session = dtmf_data->session;
|
|
|
|
struct pjsip_tx_data *tdata;
|
|
|
|
|
|
|
|
RAII_VAR(struct ast_str *, body_text, NULL, ast_free_ptr);
|
|
|
|
|
|
|
|
struct ast_sip_body body = {
|
|
|
|
.type = "application",
|
|
|
|
.subtype = "dtmf-relay",
|
|
|
|
};
|
|
|
|
|
|
|
|
if (!(body_text = ast_str_create(32))) {
|
|
|
|
ast_log(LOG_ERROR, "Could not allocate buffer for INFO DTMF.\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
ast_str_set(&body_text, 0, "Signal=%c\r\nDuration=%u\r\n", dtmf_data->digit, dtmf_data->duration);
|
|
|
|
|
|
|
|
body.body_text = ast_str_buffer(body_text);
|
|
|
|
|
2014-01-15 13:16:10 +00:00
|
|
|
if (ast_sip_create_request("INFO", session->inv_session->dlg, session->endpoint, NULL, NULL, &tdata)) {
|
2013-04-25 18:25:31 +00:00
|
|
|
ast_log(LOG_ERROR, "Could not create DTMF INFO request\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if (ast_sip_add_body(tdata, &body)) {
|
|
|
|
ast_log(LOG_ERROR, "Could not add body to DTMF INFO request\n");
|
|
|
|
pjsip_tx_data_dec_ref(tdata);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
ast_sip_session_send_request(session, tdata);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Function called by core to stop a DTMF digit */
|
2013-07-30 18:14:50 +00:00
|
|
|
static int chan_pjsip_digit_end(struct ast_channel *ast, char digit, unsigned int duration)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(ast);
|
2013-07-30 18:14:50 +00:00
|
|
|
struct chan_pjsip_pvt *pvt = channel->pvt;
|
2013-04-25 18:25:31 +00:00
|
|
|
struct ast_sip_session_media *media = pvt->media[SIP_MEDIA_AUDIO];
|
2013-05-13 17:20:33 +00:00
|
|
|
int res = 0;
|
2013-04-25 18:25:31 +00:00
|
|
|
|
2013-07-23 12:27:03 +00:00
|
|
|
switch (channel->session->endpoint->dtmf) {
|
2013-04-25 18:25:31 +00:00
|
|
|
case AST_SIP_DTMF_INFO:
|
|
|
|
{
|
2013-07-23 12:27:03 +00:00
|
|
|
struct info_dtmf_data *dtmf_data = info_dtmf_data_alloc(channel->session, digit, duration);
|
2013-04-25 18:25:31 +00:00
|
|
|
|
|
|
|
if (!dtmf_data) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2013-07-23 12:27:03 +00:00
|
|
|
if (ast_sip_push_task(channel->session->serializer, transmit_info_dtmf, dtmf_data)) {
|
2013-04-25 18:25:31 +00:00
|
|
|
ast_log(LOG_WARNING, "Error sending DTMF via INFO.\n");
|
|
|
|
ao2_cleanup(dtmf_data);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case AST_SIP_DTMF_RFC_4733:
|
|
|
|
if (!media || !media->rtp) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
ast_rtp_instance_dtmf_end_with_duration(media->rtp, digit, duration);
|
|
|
|
case AST_SIP_DTMF_NONE:
|
|
|
|
break;
|
|
|
|
case AST_SIP_DTMF_INBAND:
|
|
|
|
res = -1;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int call(void *data)
|
|
|
|
{
|
2013-05-13 17:20:33 +00:00
|
|
|
struct ast_sip_session *session = data;
|
2013-06-22 14:03:22 +00:00
|
|
|
pjsip_tx_data *tdata;
|
|
|
|
|
|
|
|
int res = ast_sip_session_create_invite(session, &tdata);
|
2013-04-25 18:25:31 +00:00
|
|
|
|
2013-06-22 14:03:22 +00:00
|
|
|
if (res) {
|
2013-04-25 18:25:31 +00:00
|
|
|
ast_queue_hangup(session->channel);
|
|
|
|
} else {
|
2013-06-22 14:03:22 +00:00
|
|
|
ast_sip_session_send_request(session, tdata);
|
2013-04-25 18:25:31 +00:00
|
|
|
}
|
|
|
|
ao2_ref(session, -1);
|
2013-06-22 14:03:22 +00:00
|
|
|
return res;
|
2013-04-25 18:25:31 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Function called by core to actually start calling a remote party */
|
2013-07-30 18:14:50 +00:00
|
|
|
static int chan_pjsip_call(struct ast_channel *ast, const char *dest, int timeout)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(ast);
|
2013-04-25 18:25:31 +00:00
|
|
|
|
2013-07-23 12:27:03 +00:00
|
|
|
ao2_ref(channel->session, +1);
|
|
|
|
if (ast_sip_push_task(channel->session->serializer, call, channel->session)) {
|
2013-04-25 18:25:31 +00:00
|
|
|
ast_log(LOG_WARNING, "Error attempting to place outbound call to call '%s'\n", dest);
|
2013-07-23 12:27:03 +00:00
|
|
|
ao2_cleanup(channel->session);
|
2013-04-25 18:25:31 +00:00
|
|
|
return -1;
|
|
|
|
}
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Internal function which translates from Asterisk cause codes to SIP response codes */
|
|
|
|
static int hangup_cause2sip(int cause)
|
|
|
|
{
|
|
|
|
switch (cause) {
|
|
|
|
case AST_CAUSE_UNALLOCATED: /* 1 */
|
|
|
|
case AST_CAUSE_NO_ROUTE_DESTINATION: /* 3 IAX2: Can't find extension in context */
|
|
|
|
case AST_CAUSE_NO_ROUTE_TRANSIT_NET: /* 2 */
|
|
|
|
return 404;
|
|
|
|
case AST_CAUSE_CONGESTION: /* 34 */
|
|
|
|
case AST_CAUSE_SWITCH_CONGESTION: /* 42 */
|
|
|
|
return 503;
|
|
|
|
case AST_CAUSE_NO_USER_RESPONSE: /* 18 */
|
|
|
|
return 408;
|
|
|
|
case AST_CAUSE_NO_ANSWER: /* 19 */
|
|
|
|
case AST_CAUSE_UNREGISTERED: /* 20 */
|
|
|
|
return 480;
|
|
|
|
case AST_CAUSE_CALL_REJECTED: /* 21 */
|
|
|
|
return 403;
|
|
|
|
case AST_CAUSE_NUMBER_CHANGED: /* 22 */
|
|
|
|
return 410;
|
|
|
|
case AST_CAUSE_NORMAL_UNSPECIFIED: /* 31 */
|
|
|
|
return 480;
|
|
|
|
case AST_CAUSE_INVALID_NUMBER_FORMAT:
|
|
|
|
return 484;
|
|
|
|
case AST_CAUSE_USER_BUSY:
|
|
|
|
return 486;
|
|
|
|
case AST_CAUSE_FAILURE:
|
|
|
|
return 500;
|
|
|
|
case AST_CAUSE_FACILITY_REJECTED: /* 29 */
|
|
|
|
return 501;
|
|
|
|
case AST_CAUSE_CHAN_NOT_IMPLEMENTED:
|
|
|
|
return 503;
|
|
|
|
case AST_CAUSE_DESTINATION_OUT_OF_ORDER:
|
|
|
|
return 502;
|
|
|
|
case AST_CAUSE_BEARERCAPABILITY_NOTAVAIL: /* Can't find codec to connect to host */
|
|
|
|
return 488;
|
|
|
|
case AST_CAUSE_INTERWORKING: /* Unspecified Interworking issues */
|
|
|
|
return 500;
|
|
|
|
case AST_CAUSE_NOTDEFINED:
|
|
|
|
default:
|
|
|
|
ast_debug(1, "AST hangup cause %d (no match found in PJSIP)\n", cause);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Never reached */
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
struct hangup_data {
|
|
|
|
int cause;
|
|
|
|
struct ast_channel *chan;
|
|
|
|
};
|
|
|
|
|
|
|
|
static void hangup_data_destroy(void *obj)
|
|
|
|
{
|
|
|
|
struct hangup_data *h_data = obj;
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
h_data->chan = ast_channel_unref(h_data->chan);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct hangup_data *hangup_data_alloc(int cause, struct ast_channel *chan)
|
|
|
|
{
|
|
|
|
struct hangup_data *h_data = ao2_alloc(sizeof(*h_data), hangup_data_destroy);
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
if (!h_data) {
|
|
|
|
return NULL;
|
|
|
|
}
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
h_data->cause = cause;
|
|
|
|
h_data->chan = ast_channel_ref(chan);
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
return h_data;
|
|
|
|
}
|
|
|
|
|
2013-07-05 17:33:33 +00:00
|
|
|
/*! \brief Clear a channel from a session along with its PVT */
|
2013-07-30 18:14:50 +00:00
|
|
|
static void clear_session_and_channel(struct ast_sip_session *session, struct ast_channel *ast, struct chan_pjsip_pvt *pvt)
|
2013-07-05 17:33:33 +00:00
|
|
|
{
|
|
|
|
session->channel = NULL;
|
|
|
|
if (pvt->media[SIP_MEDIA_AUDIO] && pvt->media[SIP_MEDIA_AUDIO]->rtp) {
|
|
|
|
ast_rtp_instance_set_channel_id(pvt->media[SIP_MEDIA_AUDIO]->rtp, "");
|
|
|
|
}
|
|
|
|
if (pvt->media[SIP_MEDIA_VIDEO] && pvt->media[SIP_MEDIA_VIDEO]->rtp) {
|
|
|
|
ast_rtp_instance_set_channel_id(pvt->media[SIP_MEDIA_VIDEO]->rtp, "");
|
|
|
|
}
|
|
|
|
ast_channel_tech_pvt_set(ast, NULL);
|
|
|
|
}
|
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
static int hangup(void *data)
|
|
|
|
{
|
|
|
|
struct hangup_data *h_data = data;
|
|
|
|
struct ast_channel *ast = h_data->chan;
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(ast);
|
2013-07-30 18:14:50 +00:00
|
|
|
struct chan_pjsip_pvt *pvt = channel->pvt;
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_session *session = channel->session;
|
2013-04-25 18:25:31 +00:00
|
|
|
int cause = h_data->cause;
|
|
|
|
|
2013-12-31 22:51:04 +00:00
|
|
|
if (!session->defer_terminate) {
|
|
|
|
pj_status_t status;
|
|
|
|
pjsip_tx_data *packet = NULL;
|
|
|
|
|
|
|
|
if (session->inv_session->state == PJSIP_INV_STATE_NULL) {
|
|
|
|
pjsip_inv_terminate(session->inv_session, cause ? cause : 603, PJ_TRUE);
|
|
|
|
} else if (((status = pjsip_inv_end_session(session->inv_session, cause ? cause : 603, NULL, &packet)) == PJ_SUCCESS)
|
|
|
|
&& packet) {
|
|
|
|
if (packet->msg->type == PJSIP_RESPONSE_MSG) {
|
|
|
|
ast_sip_session_send_response(session, packet);
|
|
|
|
} else {
|
|
|
|
ast_sip_session_send_request(session, packet);
|
|
|
|
}
|
2013-04-25 18:25:31 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-07-05 17:33:33 +00:00
|
|
|
clear_session_and_channel(session, ast, pvt);
|
2013-07-23 18:41:29 +00:00
|
|
|
ao2_cleanup(channel);
|
2013-04-25 18:25:31 +00:00
|
|
|
ao2_cleanup(h_data);
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
/*! \brief Function called by core to hang up a PJSIP session */
|
|
|
|
static int chan_pjsip_hangup(struct ast_channel *ast)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(ast);
|
2013-07-30 18:14:50 +00:00
|
|
|
struct chan_pjsip_pvt *pvt = channel->pvt;
|
2013-07-23 12:27:03 +00:00
|
|
|
int cause = hangup_cause2sip(ast_channel_hangupcause(channel->session->channel));
|
2013-04-25 18:25:31 +00:00
|
|
|
struct hangup_data *h_data = hangup_data_alloc(cause, ast);
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
if (!h_data) {
|
|
|
|
goto failure;
|
|
|
|
}
|
|
|
|
|
2013-07-23 12:27:03 +00:00
|
|
|
if (ast_sip_push_task(channel->session->serializer, hangup, h_data)) {
|
2013-04-25 18:25:31 +00:00
|
|
|
ast_log(LOG_WARNING, "Unable to push hangup task to the threadpool. Expect bad things\n");
|
|
|
|
goto failure;
|
|
|
|
}
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
failure:
|
|
|
|
/* Go ahead and do our cleanup of the session and channel even if we're not going
|
|
|
|
* to be able to send our SIP request/response
|
|
|
|
*/
|
2013-07-23 12:27:03 +00:00
|
|
|
clear_session_and_channel(channel->session, ast, pvt);
|
2013-07-23 18:41:29 +00:00
|
|
|
ao2_cleanup(channel);
|
2013-07-05 17:33:33 +00:00
|
|
|
ao2_cleanup(h_data);
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
struct request_data {
|
|
|
|
struct ast_sip_session *session;
|
|
|
|
struct ast_format_cap *caps;
|
|
|
|
const char *dest;
|
|
|
|
int cause;
|
|
|
|
};
|
|
|
|
|
|
|
|
static int request(void *obj)
|
|
|
|
{
|
|
|
|
struct request_data *req_data = obj;
|
2013-05-13 17:20:33 +00:00
|
|
|
struct ast_sip_session *session = NULL;
|
2013-04-25 18:25:31 +00:00
|
|
|
char *tmp = ast_strdupa(req_data->dest), *endpoint_name = NULL, *request_user = NULL;
|
|
|
|
RAII_VAR(struct ast_sip_endpoint *, endpoint, NULL, ao2_cleanup);
|
2013-05-13 17:20:33 +00:00
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
AST_DECLARE_APP_ARGS(args,
|
|
|
|
AST_APP_ARG(endpoint);
|
|
|
|
AST_APP_ARG(aor);
|
|
|
|
);
|
|
|
|
|
|
|
|
if (ast_strlen_zero(tmp)) {
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_log(LOG_ERROR, "Unable to create PJSIP channel with empty destination\n");
|
2013-04-25 18:25:31 +00:00
|
|
|
req_data->cause = AST_CAUSE_CHANNEL_UNACCEPTABLE;
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
AST_NONSTANDARD_APP_ARGS(args, tmp, '/');
|
|
|
|
|
|
|
|
/* If a request user has been specified extract it from the endpoint name portion */
|
|
|
|
if ((endpoint_name = strchr(args.endpoint, '@'))) {
|
|
|
|
request_user = args.endpoint;
|
|
|
|
*endpoint_name++ = '\0';
|
|
|
|
} else {
|
|
|
|
endpoint_name = args.endpoint;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ast_strlen_zero(endpoint_name)) {
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_log(LOG_ERROR, "Unable to create PJSIP channel with empty endpoint name\n");
|
2013-04-25 18:25:31 +00:00
|
|
|
req_data->cause = AST_CAUSE_CHANNEL_UNACCEPTABLE;
|
|
|
|
} else if (!(endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", endpoint_name))) {
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_log(LOG_ERROR, "Unable to create PJSIP channel - endpoint '%s' was not found\n", endpoint_name);
|
2013-04-25 18:25:31 +00:00
|
|
|
req_data->cause = AST_CAUSE_NO_ROUTE_DESTINATION;
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2014-01-15 13:16:10 +00:00
|
|
|
if (!(session = ast_sip_session_create_outgoing(endpoint, NULL, args.aor, request_user, req_data->caps))) {
|
2013-04-25 18:25:31 +00:00
|
|
|
req_data->cause = AST_CAUSE_NO_ROUTE_DESTINATION;
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
req_data->session = session;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
/*! \brief Function called by core to create a new outgoing PJSIP session */
|
|
|
|
static struct ast_channel *chan_pjsip_request(const char *type, struct ast_format_cap *cap, const struct ast_channel *requestor, const char *data, int *cause)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
|
|
|
struct request_data req_data;
|
2013-07-25 00:44:24 +00:00
|
|
|
RAII_VAR(struct ast_sip_session *, session, NULL, ao2_cleanup);
|
2013-04-25 18:25:31 +00:00
|
|
|
|
|
|
|
req_data.caps = cap;
|
|
|
|
req_data.dest = data;
|
|
|
|
|
|
|
|
if (ast_sip_push_task_synchronous(NULL, request, &req_data)) {
|
|
|
|
*cause = req_data.cause;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
session = req_data.session;
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
if (!(session->channel = chan_pjsip_new(session, AST_STATE_DOWN, NULL, NULL, requestor ? ast_channel_linkedid(requestor) : NULL, NULL))) {
|
2013-04-25 18:25:31 +00:00
|
|
|
/* Session needs to be terminated prematurely */
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return session->channel;
|
|
|
|
}
|
|
|
|
|
2013-06-22 14:03:22 +00:00
|
|
|
struct sendtext_data {
|
|
|
|
struct ast_sip_session *session;
|
|
|
|
char text[0];
|
|
|
|
};
|
|
|
|
|
|
|
|
static void sendtext_data_destroy(void *obj)
|
|
|
|
{
|
|
|
|
struct sendtext_data *data = obj;
|
|
|
|
ao2_ref(data->session, -1);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct sendtext_data* sendtext_data_create(struct ast_sip_session *session, const char *text)
|
|
|
|
{
|
|
|
|
int size = strlen(text) + 1;
|
|
|
|
struct sendtext_data *data = ao2_alloc(sizeof(*data)+size, sendtext_data_destroy);
|
|
|
|
|
|
|
|
if (!data) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
data->session = session;
|
|
|
|
ao2_ref(data->session, +1);
|
|
|
|
ast_copy_string(data->text, text, size);
|
|
|
|
return data;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int sendtext(void *obj)
|
|
|
|
{
|
|
|
|
RAII_VAR(struct sendtext_data *, data, obj, ao2_cleanup);
|
|
|
|
pjsip_tx_data *tdata;
|
|
|
|
|
|
|
|
const struct ast_sip_body body = {
|
|
|
|
.type = "text",
|
|
|
|
.subtype = "plain",
|
|
|
|
.body_text = data->text
|
|
|
|
};
|
|
|
|
|
|
|
|
/* NOT ast_strlen_zero, because a zero-length message is specifically
|
|
|
|
* allowed by RFC 3428 (See section 10, Examples) */
|
|
|
|
if (!data->text) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-10-30 17:54:26 +00:00
|
|
|
ast_debug(3, "Sending in dialog SIP message\n");
|
|
|
|
|
2014-01-15 13:16:10 +00:00
|
|
|
ast_sip_create_request("MESSAGE", data->session->inv_session->dlg, data->session->endpoint, NULL, NULL, &tdata);
|
2013-06-22 14:03:22 +00:00
|
|
|
ast_sip_add_body(tdata, &body);
|
2014-01-15 13:16:10 +00:00
|
|
|
ast_sip_send_request(tdata, data->session->inv_session->dlg, data->session->endpoint, NULL, NULL);
|
2013-06-22 14:03:22 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
/*! \brief Function called by core to send text on PJSIP session */
|
|
|
|
static int chan_pjsip_sendtext(struct ast_channel *ast, const char *text)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
2013-07-23 12:27:03 +00:00
|
|
|
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(ast);
|
|
|
|
struct sendtext_data *data = sendtext_data_create(channel->session, text);
|
2013-06-22 14:03:22 +00:00
|
|
|
|
2013-07-23 12:27:03 +00:00
|
|
|
if (!data || ast_sip_push_task(channel->session->serializer, sendtext, data)) {
|
2013-06-22 14:03:22 +00:00
|
|
|
ao2_ref(data, -1);
|
|
|
|
return -1;
|
|
|
|
}
|
2013-04-25 18:25:31 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Convert SIP hangup causes to Asterisk hangup causes */
|
|
|
|
static int hangup_sip2cause(int cause)
|
|
|
|
{
|
|
|
|
/* Possible values taken from causes.h */
|
|
|
|
|
|
|
|
switch(cause) {
|
|
|
|
case 401: /* Unauthorized */
|
|
|
|
return AST_CAUSE_CALL_REJECTED;
|
|
|
|
case 403: /* Not found */
|
|
|
|
return AST_CAUSE_CALL_REJECTED;
|
|
|
|
case 404: /* Not found */
|
|
|
|
return AST_CAUSE_UNALLOCATED;
|
|
|
|
case 405: /* Method not allowed */
|
|
|
|
return AST_CAUSE_INTERWORKING;
|
|
|
|
case 407: /* Proxy authentication required */
|
|
|
|
return AST_CAUSE_CALL_REJECTED;
|
|
|
|
case 408: /* No reaction */
|
|
|
|
return AST_CAUSE_NO_USER_RESPONSE;
|
|
|
|
case 409: /* Conflict */
|
|
|
|
return AST_CAUSE_NORMAL_TEMPORARY_FAILURE;
|
|
|
|
case 410: /* Gone */
|
|
|
|
return AST_CAUSE_NUMBER_CHANGED;
|
|
|
|
case 411: /* Length required */
|
|
|
|
return AST_CAUSE_INTERWORKING;
|
|
|
|
case 413: /* Request entity too large */
|
|
|
|
return AST_CAUSE_INTERWORKING;
|
|
|
|
case 414: /* Request URI too large */
|
|
|
|
return AST_CAUSE_INTERWORKING;
|
|
|
|
case 415: /* Unsupported media type */
|
|
|
|
return AST_CAUSE_INTERWORKING;
|
|
|
|
case 420: /* Bad extension */
|
|
|
|
return AST_CAUSE_NO_ROUTE_DESTINATION;
|
|
|
|
case 480: /* No answer */
|
|
|
|
return AST_CAUSE_NO_ANSWER;
|
|
|
|
case 481: /* No answer */
|
|
|
|
return AST_CAUSE_INTERWORKING;
|
|
|
|
case 482: /* Loop detected */
|
|
|
|
return AST_CAUSE_INTERWORKING;
|
|
|
|
case 483: /* Too many hops */
|
|
|
|
return AST_CAUSE_NO_ANSWER;
|
|
|
|
case 484: /* Address incomplete */
|
|
|
|
return AST_CAUSE_INVALID_NUMBER_FORMAT;
|
|
|
|
case 485: /* Ambiguous */
|
|
|
|
return AST_CAUSE_UNALLOCATED;
|
|
|
|
case 486: /* Busy everywhere */
|
|
|
|
return AST_CAUSE_BUSY;
|
|
|
|
case 487: /* Request terminated */
|
|
|
|
return AST_CAUSE_INTERWORKING;
|
|
|
|
case 488: /* No codecs approved */
|
|
|
|
return AST_CAUSE_BEARERCAPABILITY_NOTAVAIL;
|
|
|
|
case 491: /* Request pending */
|
|
|
|
return AST_CAUSE_INTERWORKING;
|
|
|
|
case 493: /* Undecipherable */
|
|
|
|
return AST_CAUSE_INTERWORKING;
|
|
|
|
case 500: /* Server internal failure */
|
|
|
|
return AST_CAUSE_FAILURE;
|
|
|
|
case 501: /* Call rejected */
|
|
|
|
return AST_CAUSE_FACILITY_REJECTED;
|
|
|
|
case 502:
|
|
|
|
return AST_CAUSE_DESTINATION_OUT_OF_ORDER;
|
|
|
|
case 503: /* Service unavailable */
|
|
|
|
return AST_CAUSE_CONGESTION;
|
|
|
|
case 504: /* Gateway timeout */
|
|
|
|
return AST_CAUSE_RECOVERY_ON_TIMER_EXPIRE;
|
|
|
|
case 505: /* SIP version not supported */
|
|
|
|
return AST_CAUSE_INTERWORKING;
|
|
|
|
case 600: /* Busy everywhere */
|
|
|
|
return AST_CAUSE_USER_BUSY;
|
|
|
|
case 603: /* Decline */
|
|
|
|
return AST_CAUSE_CALL_REJECTED;
|
|
|
|
case 604: /* Does not exist anywhere */
|
|
|
|
return AST_CAUSE_UNALLOCATED;
|
|
|
|
case 606: /* Not acceptable */
|
|
|
|
return AST_CAUSE_BEARERCAPABILITY_NOTAVAIL;
|
|
|
|
default:
|
|
|
|
if (cause < 500 && cause >= 400) {
|
|
|
|
/* 4xx class error that is unknown - someting wrong with our request */
|
|
|
|
return AST_CAUSE_INTERWORKING;
|
|
|
|
} else if (cause < 600 && cause >= 500) {
|
|
|
|
/* 5xx class error - problem in the remote end */
|
|
|
|
return AST_CAUSE_CONGESTION;
|
|
|
|
} else if (cause < 700 && cause >= 600) {
|
|
|
|
/* 6xx - global errors in the 4xx class */
|
|
|
|
return AST_CAUSE_INTERWORKING;
|
|
|
|
}
|
|
|
|
return AST_CAUSE_NORMAL;
|
|
|
|
}
|
|
|
|
/* Never reached */
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
static void chan_pjsip_session_begin(struct ast_sip_session *session)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
|
|
|
RAII_VAR(struct ast_datastore *, datastore, NULL, ao2_cleanup);
|
|
|
|
|
2013-07-30 15:17:56 +00:00
|
|
|
if (session->endpoint->media.direct_media.glare_mitigation ==
|
2013-04-25 18:25:31 +00:00
|
|
|
AST_SIP_DIRECT_MEDIA_GLARE_MITIGATION_NONE) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
datastore = ast_sip_session_alloc_datastore(&direct_media_mitigation_info,
|
|
|
|
"direct_media_glare_mitigation");
|
|
|
|
|
|
|
|
if (!datastore) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
ast_sip_session_add_datastore(session, datastore);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Function called when the session ends */
|
2013-07-30 18:14:50 +00:00
|
|
|
static void chan_pjsip_session_end(struct ast_sip_session *session)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
|
|
|
if (!session->channel) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2014-01-20 18:18:25 +00:00
|
|
|
chan_pjsip_remove_hold(ast_channel_uniqueid(session->channel));
|
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
if (!ast_channel_hangupcause(session->channel) && session->inv_session) {
|
|
|
|
int cause = hangup_sip2cause(session->inv_session->cause);
|
|
|
|
|
|
|
|
ast_queue_hangup_with_cause(session->channel, cause);
|
|
|
|
} else {
|
|
|
|
ast_queue_hangup(session->channel);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Function called when a request is received on the session */
|
2013-07-30 18:14:50 +00:00
|
|
|
static int chan_pjsip_incoming_request(struct ast_sip_session *session, struct pjsip_rx_data *rdata)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
2013-12-11 13:06:30 +00:00
|
|
|
RAII_VAR(struct ast_datastore *, datastore, NULL, ao2_cleanup);
|
|
|
|
struct transport_info_data *transport_data;
|
2013-04-25 18:25:31 +00:00
|
|
|
pjsip_tx_data *packet = NULL;
|
|
|
|
|
|
|
|
if (session->channel) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-12-11 13:06:30 +00:00
|
|
|
datastore = ast_sip_session_alloc_datastore(&transport_info, "transport_info");
|
|
|
|
if (!datastore) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
transport_data = ast_calloc(1, sizeof(*transport_data));
|
|
|
|
if (!transport_data) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
pj_sockaddr_cp(&transport_data->local_addr, &rdata->tp_info.transport->local_addr);
|
|
|
|
pj_sockaddr_cp(&transport_data->remote_addr, &rdata->pkt_info.src_addr);
|
|
|
|
datastore->data = transport_data;
|
|
|
|
ast_sip_session_add_datastore(session, datastore);
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
if (!(session->channel = chan_pjsip_new(session, AST_STATE_RING, session->exten, NULL, NULL, NULL))) {
|
2013-04-25 18:25:31 +00:00
|
|
|
if (pjsip_inv_end_session(session->inv_session, 503, NULL, &packet) == PJ_SUCCESS) {
|
|
|
|
ast_sip_session_send_response(session, packet);
|
|
|
|
}
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_log(LOG_ERROR, "Failed to allocate new PJSIP channel on incoming SIP INVITE\n");
|
2013-04-25 18:25:31 +00:00
|
|
|
return -1;
|
|
|
|
}
|
2013-06-22 14:03:22 +00:00
|
|
|
/* channel gets created on incoming request, but we wait to call start
|
|
|
|
so other supplements have a chance to run */
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int pbx_start_incoming_request(struct ast_sip_session *session, pjsip_rx_data *rdata)
|
|
|
|
{
|
|
|
|
int res;
|
2013-04-25 18:25:31 +00:00
|
|
|
|
|
|
|
res = ast_pbx_start(session->channel);
|
|
|
|
|
|
|
|
switch (res) {
|
|
|
|
case AST_PBX_FAILED:
|
|
|
|
ast_log(LOG_WARNING, "Failed to start PBX ;(\n");
|
|
|
|
ast_channel_hangupcause_set(session->channel, AST_CAUSE_SWITCH_CONGESTION);
|
|
|
|
ast_hangup(session->channel);
|
|
|
|
break;
|
|
|
|
case AST_PBX_CALL_LIMIT:
|
|
|
|
ast_log(LOG_WARNING, "Failed to start PBX (call limit reached) \n");
|
|
|
|
ast_channel_hangupcause_set(session->channel, AST_CAUSE_SWITCH_CONGESTION);
|
|
|
|
ast_hangup(session->channel);
|
|
|
|
break;
|
|
|
|
case AST_PBX_SUCCESS:
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_debug(3, "Started PBX on new PJSIP channel %s\n", ast_channel_name(session->channel));
|
2013-04-25 18:25:31 +00:00
|
|
|
|
|
|
|
return (res == AST_PBX_SUCCESS) ? 0 : -1;
|
|
|
|
}
|
|
|
|
|
2013-06-22 14:03:22 +00:00
|
|
|
static struct ast_sip_session_supplement pbx_start_supplement = {
|
|
|
|
.method = "INVITE",
|
2014-01-15 13:16:10 +00:00
|
|
|
.priority = AST_SIP_SUPPLEMENT_PRIORITY_LAST,
|
2013-06-22 14:03:22 +00:00
|
|
|
.incoming_request = pbx_start_incoming_request,
|
|
|
|
};
|
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
/*! \brief Function called when a response is received on the session */
|
2013-07-30 18:14:50 +00:00
|
|
|
static void chan_pjsip_incoming_response(struct ast_sip_session *session, struct pjsip_rx_data *rdata)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
|
|
|
struct pjsip_status_line status = rdata->msg_info.msg->line.status;
|
|
|
|
|
|
|
|
if (!session->channel) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (status.code) {
|
|
|
|
case 180:
|
|
|
|
ast_queue_control(session->channel, AST_CONTROL_RINGING);
|
2013-12-18 20:33:37 +00:00
|
|
|
ast_channel_lock(session->channel);
|
2013-04-25 18:25:31 +00:00
|
|
|
if (ast_channel_state(session->channel) != AST_STATE_UP) {
|
|
|
|
ast_setstate(session->channel, AST_STATE_RINGING);
|
|
|
|
}
|
2013-12-18 20:33:37 +00:00
|
|
|
ast_channel_unlock(session->channel);
|
2013-04-25 18:25:31 +00:00
|
|
|
break;
|
|
|
|
case 183:
|
|
|
|
ast_queue_control(session->channel, AST_CONTROL_PROGRESS);
|
|
|
|
break;
|
|
|
|
case 200:
|
|
|
|
ast_queue_control(session->channel, AST_CONTROL_ANSWER);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
static int chan_pjsip_incoming_ack(struct ast_sip_session *session, struct pjsip_rx_data *rdata)
|
2013-04-25 18:25:31 +00:00
|
|
|
{
|
|
|
|
if (rdata->msg_info.msg->line.req.method.id == PJSIP_ACK_METHOD) {
|
2013-10-26 12:56:08 +00:00
|
|
|
if (session->endpoint->media.direct_media.enabled && session->channel) {
|
2013-04-25 18:25:31 +00:00
|
|
|
ast_queue_control(session->channel, AST_CONTROL_SRCCHANGE);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-01-16 16:46:00 +00:00
|
|
|
static int update_devstate(void *obj, void *arg, int flags)
|
|
|
|
{
|
|
|
|
ast_devstate_changed(AST_DEVICE_UNKNOWN, AST_DEVSTATE_CACHABLE,
|
|
|
|
"PJSIP/%s", ast_sorcery_object_get_id(obj));
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-12-11 13:06:30 +00:00
|
|
|
static struct ast_custom_function chan_pjsip_dial_contacts_function = {
|
|
|
|
.name = "PJSIP_DIAL_CONTACTS",
|
|
|
|
.read = pjsip_acf_dial_contacts_read,
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct ast_custom_function media_offer_function = {
|
|
|
|
.name = "PJSIP_MEDIA_OFFER",
|
|
|
|
.read = pjsip_acf_media_offer_read,
|
|
|
|
.write = pjsip_acf_media_offer_write
|
|
|
|
};
|
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
/*!
|
|
|
|
* \brief Load the module
|
|
|
|
*
|
|
|
|
* Module loading including tests for configuration or dependencies.
|
|
|
|
* This function can return AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_DECLINE,
|
|
|
|
* or AST_MODULE_LOAD_SUCCESS. If a dependency or environment variable fails
|
2013-07-05 17:33:33 +00:00
|
|
|
* tests return AST_MODULE_LOAD_FAILURE. If the module can not load the
|
|
|
|
* configuration file or other non-critical problem return
|
2013-04-25 18:25:31 +00:00
|
|
|
* AST_MODULE_LOAD_DECLINE. On success return AST_MODULE_LOAD_SUCCESS.
|
|
|
|
*/
|
|
|
|
static int load_module(void)
|
|
|
|
{
|
2014-01-16 16:46:00 +00:00
|
|
|
struct ao2_container *endpoints;
|
|
|
|
|
2013-10-03 14:58:16 +00:00
|
|
|
if (!(chan_pjsip_tech.capabilities = ast_format_cap_alloc(0))) {
|
2013-04-25 18:25:31 +00:00
|
|
|
return AST_MODULE_LOAD_DECLINE;
|
|
|
|
}
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_format_cap_add_all_by_type(chan_pjsip_tech.capabilities, AST_FORMAT_TYPE_AUDIO);
|
2013-04-25 18:25:31 +00:00
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_rtp_glue_register(&chan_pjsip_rtp_glue);
|
2013-04-25 18:25:31 +00:00
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
if (ast_channel_register(&chan_pjsip_tech)) {
|
2013-04-25 18:25:31 +00:00
|
|
|
ast_log(LOG_ERROR, "Unable to register channel class %s\n", channel_type);
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
if (ast_custom_function_register(&chan_pjsip_dial_contacts_function)) {
|
|
|
|
ast_log(LOG_ERROR, "Unable to register PJSIP_DIAL_CONTACTS dialplan function\n");
|
2013-04-25 18:25:31 +00:00
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
|
2013-06-22 14:03:22 +00:00
|
|
|
if (ast_custom_function_register(&media_offer_function)) {
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_log(LOG_WARNING, "Unable to register PJSIP_MEDIA_OFFER dialplan function\n");
|
2013-12-11 13:06:30 +00:00
|
|
|
goto end;
|
2013-06-22 14:03:22 +00:00
|
|
|
}
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
if (ast_sip_session_register_supplement(&chan_pjsip_supplement)) {
|
|
|
|
ast_log(LOG_ERROR, "Unable to register PJSIP supplement\n");
|
2013-04-25 18:25:31 +00:00
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
|
2014-01-20 18:18:25 +00:00
|
|
|
if (!(pjsip_uids_onhold = ao2_container_alloc_hash(AO2_ALLOC_OPT_LOCK_RWLOCK,
|
|
|
|
AO2_CONTAINER_ALLOC_OPT_DUPS_REJECT, 37, uid_hold_hash_fn,
|
|
|
|
uid_hold_sort_fn, NULL))) {
|
|
|
|
ast_log(LOG_ERROR, "Unable to create held channels container\n");
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
|
2013-06-22 14:03:22 +00:00
|
|
|
if (ast_sip_session_register_supplement(&pbx_start_supplement)) {
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_log(LOG_ERROR, "Unable to register PJSIP pbx start supplement\n");
|
|
|
|
ast_sip_session_unregister_supplement(&chan_pjsip_supplement);
|
2013-06-22 14:03:22 +00:00
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
if (ast_sip_session_register_supplement(&chan_pjsip_ack_supplement)) {
|
|
|
|
ast_log(LOG_ERROR, "Unable to register PJSIP ACK supplement\n");
|
2013-06-22 14:03:22 +00:00
|
|
|
ast_sip_session_unregister_supplement(&pbx_start_supplement);
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_sip_session_unregister_supplement(&chan_pjsip_supplement);
|
2013-04-25 18:25:31 +00:00
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
|
2014-01-16 16:46:00 +00:00
|
|
|
/* since endpoints are loaded before the channel driver their device
|
|
|
|
states get set to 'invalid', so they need to be updated */
|
|
|
|
if ((endpoints = ast_sip_get_endpoints())) {
|
|
|
|
ao2_callback(endpoints, OBJ_NODATA, update_devstate, NULL);
|
|
|
|
ao2_ref(endpoints, -1);
|
|
|
|
}
|
|
|
|
|
2013-04-25 18:25:31 +00:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
end:
|
2014-01-20 18:18:25 +00:00
|
|
|
ao2_cleanup(pjsip_uids_onhold);
|
|
|
|
pjsip_uids_onhold = NULL;
|
2013-06-22 14:03:22 +00:00
|
|
|
ast_custom_function_unregister(&media_offer_function);
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_custom_function_unregister(&chan_pjsip_dial_contacts_function);
|
|
|
|
ast_channel_unregister(&chan_pjsip_tech);
|
|
|
|
ast_rtp_glue_unregister(&chan_pjsip_rtp_glue);
|
2013-04-25 18:25:31 +00:00
|
|
|
|
|
|
|
return AST_MODULE_LOAD_FAILURE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Reload module */
|
|
|
|
static int reload(void)
|
|
|
|
{
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
/*! \brief Unload the PJSIP channel from Asterisk */
|
2013-04-25 18:25:31 +00:00
|
|
|
static int unload_module(void)
|
|
|
|
{
|
2014-01-20 18:18:25 +00:00
|
|
|
ao2_cleanup(pjsip_uids_onhold);
|
|
|
|
pjsip_uids_onhold = NULL;
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_sip_session_unregister_supplement(&chan_pjsip_supplement);
|
2013-06-22 14:03:22 +00:00
|
|
|
ast_sip_session_unregister_supplement(&pbx_start_supplement);
|
2013-09-20 16:18:42 +00:00
|
|
|
ast_sip_session_unregister_supplement(&chan_pjsip_ack_supplement);
|
2013-06-22 14:03:22 +00:00
|
|
|
|
2013-12-11 13:06:30 +00:00
|
|
|
ast_custom_function_unregister(&media_offer_function);
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_custom_function_unregister(&chan_pjsip_dial_contacts_function);
|
2013-12-11 13:06:30 +00:00
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
ast_channel_unregister(&chan_pjsip_tech);
|
|
|
|
ast_rtp_glue_unregister(&chan_pjsip_rtp_glue);
|
2013-04-25 18:25:31 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-07-30 18:14:50 +00:00
|
|
|
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "PJSIP Channel Driver",
|
2013-04-25 18:25:31 +00:00
|
|
|
.load = load_module,
|
|
|
|
.unload = unload_module,
|
|
|
|
.reload = reload,
|
|
|
|
.load_pri = AST_MODPRI_CHANNEL_DRIVER,
|
|
|
|
);
|