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Diffstat (limited to 'src/libmsc/rtp_stream.c')
-rw-r--r--src/libmsc/rtp_stream.c36
1 files changed, 28 insertions, 8 deletions
diff --git a/src/libmsc/rtp_stream.c b/src/libmsc/rtp_stream.c
index 6c408affc..dcb4ef08e 100644
--- a/src/libmsc/rtp_stream.c
+++ b/src/libmsc/rtp_stream.c
@@ -83,6 +83,8 @@ void rtp_stream_update_id(struct rtp_stream *rtps)
OSMO_STRBUF_PRINTF(sb, ":no-codecs");
else if (!rtps->codecs_sent_to_mgw)
OSMO_STRBUF_PRINTF(sb, ":codecs-not-sent");
+ if (!rtps->codecs_sent_to_mgw)
+ OSMO_STRBUF_PRINTF(sb, ":mode-not-sent");
if (rtps->use_osmux) {
if (rtps->remote_osmux_cid < 0)
OSMO_STRBUF_PRINTF(sb, ":no-remote-osmux-cid");
@@ -128,6 +130,7 @@ struct rtp_stream *rtp_stream_alloc(struct call_leg *parent_call_leg, enum rtp_d
.dir = dir,
.local_osmux_cid = -2,
.remote_osmux_cid = -2,
+ .crcx_conn_mode = MGCP_CONN_NONE, /* Use connection's default mode. */
};
rtp_stream_update_id(rtps);
@@ -172,14 +175,15 @@ static void rtp_stream_fsm_establishing_established(struct osmo_fsm_inst *fi, ui
osmo_fsm_inst_dispatch(fi->proc.parent, CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE, rtps);
check_established(rtps);
- if ((!rtps->remote_sent_to_mgw || !rtps->codecs_sent_to_mgw)
+ if ((!rtps->remote_sent_to_mgw || !rtps->codecs_sent_to_mgw || !rtps->mode_sent_to_mgw)
&& osmo_sockaddr_str_is_nonzero(&rtps->remote)
&& (!rtps->use_osmux || rtps->remote_osmux_cid_sent_to_mgw)
&& rtps->codecs_known) {
LOG_RTPS(rtps, LOGL_DEBUG,
- "local ip:port set;%s%s%s triggering MDCX to send the new settings\n",
+ "local ip:port set;%s%s%s%s triggering MDCX to send the new settings\n",
(!rtps->remote_sent_to_mgw) ? " remote ip:port not yet sent," : "",
(!rtps->codecs_sent_to_mgw) ? " codecs not yet sent," : "",
+ (!rtps->mode_sent_to_mgw) ? " mode not yet sent," : "",
(rtps->use_osmux && !rtps->remote_osmux_cid_sent_to_mgw) ? "Osmux CID not yet sent,": "");
rtp_stream_do_mdcx(rtps);
}
@@ -194,6 +198,7 @@ static void rtp_stream_fsm_establishing_established(struct osmo_fsm_inst *fi, ui
case RTP_STREAM_EV_MDCX_FAIL:
rtps->remote_sent_to_mgw = false;
rtps->codecs_sent_to_mgw = false;
+ rtps->mode_sent_to_mgw = false;
rtps->remote_osmux_cid_sent_to_mgw = false;
rtp_stream_update_id(rtps);
rtp_stream_state_chg(rtps, RTP_STREAM_ST_DISCARDING);
@@ -308,8 +313,7 @@ static int rtp_stream_do_mgcp_verb(struct rtp_stream *rtps, enum mgcp_verb verb,
.x_osmo_osmux_cid = rtps->remote_osmux_cid,
};
- if (verb == MGCP_VERB_CRCX)
- verb_info.conn_mode = rtps->crcx_conn_mode;
+ verb_info.conn_mode = rtps->crcx_conn_mode;
if (rtps->codecs_known) {
/* Send the list of codecs to the MGW. Ideally we would just feed the SDP directly, but for legacy
@@ -343,6 +347,7 @@ static int rtp_stream_do_mgcp_verb(struct rtp_stream *rtps, enum mgcp_verb verb,
verb_info.port = rtps->remote.port;
rtps->remote_sent_to_mgw = true;
}
+ rtps->mode_sent_to_mgw = true;
if (rtps->use_osmux && rtps->remote_osmux_cid >= 0)
rtps->remote_osmux_cid_sent_to_mgw = true;
rtp_stream_update_id(rtps);
@@ -379,7 +384,7 @@ void rtp_stream_release(struct rtp_stream *rtps)
}
/* After setting up a remote RTP address or a new codec, call this to trigger an MDCX.
- * The MDCX will only trigger if all data needed by an endpoint is available (both RTP address and codec) and if at
+ * The MDCX will only trigger if all data needed by an endpoint is available (RTP address, codecs and mode) and if at
* least one of them has not yet been sent to the MGW in a previous CRCX or MDCX. */
int rtp_stream_commit(struct rtp_stream *rtps)
{
@@ -391,8 +396,9 @@ int rtp_stream_commit(struct rtp_stream *rtps)
LOG_RTPS(rtps, LOGL_DEBUG, "Not committing: no codecs known\n");
return -1;
}
- if (rtps->remote_sent_to_mgw && rtps->codecs_sent_to_mgw) {
- LOG_RTPS(rtps, LOGL_DEBUG, "Not committing: both remote RTP address and codecs already set up at MGW\n");
+ if (rtps->remote_sent_to_mgw && rtps->codecs_sent_to_mgw && rtps->mode_sent_to_mgw) {
+ LOG_RTPS(rtps, LOGL_DEBUG,
+ "Not committing: remote RTP address, codecs and mode are already set up at MGW\n");
return 0;
}
if (!rtps->ci) {
@@ -400,9 +406,10 @@ int rtp_stream_commit(struct rtp_stream *rtps)
return -1;
}
- LOG_RTPS(rtps, LOGL_DEBUG, "Committing: Tx MDCX to update the MGW: updating%s%s%s\n",
+ LOG_RTPS(rtps, LOGL_DEBUG, "Committing: Tx MDCX to update the MGW: updating%s%s%s%s\n",
rtps->remote_sent_to_mgw ? "" : " remote-RTP-IP-port",
rtps->codecs_sent_to_mgw ? "" : " codecs",
+ rtps->mode_sent_to_mgw ? "" : " mode",
(!rtps->use_osmux || rtps->remote_osmux_cid_sent_to_mgw) ? "" : " remote-Osmux-CID");
return rtp_stream_do_mdcx(rtps);
}
@@ -425,6 +432,18 @@ void rtp_stream_set_codecs(struct rtp_stream *rtps, const struct sdp_audio_codec
rtp_stream_update_id(rtps);
}
+void rtp_stream_set_mode(struct rtp_stream *rtps, enum mgcp_connection_mode mode)
+{
+ if (rtps->crcx_conn_mode == mode)
+ return;
+ if (rtps->fi->state == RTP_STREAM_ST_ESTABLISHED)
+ rtp_stream_state_chg(rtps, RTP_STREAM_ST_ESTABLISHING);
+ LOG_RTPS(rtps, LOGL_DEBUG, "setting mode to %s\n", mgcp_client_cmode_name(mode));
+ rtps->mode_sent_to_mgw = false;
+ rtps->crcx_conn_mode = mode;
+ rtp_stream_update_id(rtps);
+}
+
/* Convenience shortcut to call rtp_stream_set_codecs() with a list of only one sdp_audio_codec record. */
void rtp_stream_set_one_codec(struct rtp_stream *rtps, const struct sdp_audio_codec *codec)
{
@@ -485,6 +504,7 @@ bool rtp_stream_is_established(struct rtp_stream *rtps)
return false;
if (!rtps->remote_sent_to_mgw
|| !rtps->codecs_sent_to_mgw
+ || !rtps->mode_sent_to_mgw
|| (rtps->use_osmux && !rtps->remote_osmux_cid_sent_to_mgw))
return false;
return true;