cellular-infrastructure
/
osmo-gbproxy
mirror of https://gerrit.osmocom.org/osmo-gbproxy
9
0
Fork 0
Code Issues Releases Wiki Activity

osmux: Extract the dummy message, find the endpoint and set rtp port 

Set the remote port for the endpoint. Somehow this needs to propagate
all the way to the handle.
This commit is contained in:
Holger Hans Peter Freyther 2014-07-09 00:38:06 +02:00
parent caf3dd07a4
commit fe0b57908c
1 changed files with 34 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
openbsc/src/libmgcp/osmux.c
View File

@ -267,6 +267,39 @@ out:
return 0;
}
/*
* Try to figure out where it came from and enter the rtp_port
*/
static int osmux_handle_dummy(struct mgcp_config *cfg,
struct sockaddr_in *addr, struct msgb *msg)
{
struct mgcp_endpoint *endp;
uint32_t ci;
if (msg->len < 1 + sizeof(ci))
goto out;
/* extract the CI from the dummy message */
memcpy(&ci, &msg->data[1], sizeof(ci));
ci = ntohl(ci);
endp = endpoint_lookup(cfg, ci & 0xff, &addr->sin_addr, MGCP_DEST_BTS);
if (!endp) {
LOGP(DMGCP, LOGL_ERROR, "Can not find CI=%d\n", ci & 0xff);
goto out;
}
if (endp->bts_end.rtp_port == 0) {
endp->bts_end.rtp_port = addr->sin_port;
LOGP(DMGCP, LOGL_NOTICE, "0x%x found BTS on endpoint %s:%d\n",
ENDPOINT_NUMBER(endp),
inet_ntoa(addr->sin_addr), htons(addr->sin_port));
}
out:
msgb_free(msg);
return 0;
}
int osmux_read_from_bsc_cb(struct osmo_fd *ofd, unsigned int what)
{
struct msgb *msg;
@ -282,7 +315,7 @@ int osmux_read_from_bsc_cb(struct osmo_fd *ofd, unsigned int what)
/* not any further processing dummy messages */
if (msg->data[0] == MGCP_DUMMY_LOAD)
goto out;
return osmux_handle_dummy(cfg, &addr, msg);
osmux_snprintf(buf, sizeof(buf), msg);
LOGP(DMGCP, LOGL_DEBUG,