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mgcp/rtp: Send dummy packet to the RTCP destination, too 

Currently a dummy packet is only sent to the RTP port. This is not
enough if RTCP must also cross the SNAT.

This patch sends an additional dummy packet to the RTCP net
destination if omit_rtcp is not set.

Sponsored-by: On-Waves ehf
This commit is contained in:
Jacob Erlbeck 2013-12-19 18:25:54 +01:00 committed by Holger Hans Peter Freyther
parent 785e3c95d7
commit 34bdc9f8fe
1 changed files with 9 additions and 2 deletions
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11
openbsc/src/libmgcp/mgcp_network.c
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@ -129,9 +129,16 @@ static int mgcp_udp_send(int fd, struct in_addr *addr, int port, char *buf,
int mgcp_send_dummy(struct mgcp_endpoint *endp)
{
static char buf[] = { MGCP_DUMMY_LOAD };
int rc;
return mgcp_udp_send(endp->net_end.rtp.fd, &endp->net_end.addr,
endp->net_end.rtp_port, buf, 1);
rc = mgcp_udp_send(endp->net_end.rtp.fd, &endp->net_end.addr,
endp->net_end.rtp_port, buf, 1);
if (rc == -1 || endp->tcfg->omit_rtcp)
return rc;
return mgcp_udp_send(endp->net_end.rtcp.fd, &endp->net_end.addr,
endp->net_end.rtcp_port, buf, 1);
}
static int32_t compute_timestamp_aligment_error(struct mgcp_rtp_stream_state *sstate,