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[sccp] Implement sccp_parse_header to be used by the NAT code.

This commit is contained in:
Holger Hans Peter Freyther 2010-01-29 04:31:51 +01:00
parent ef84539fb7
commit caf49b4c14
1 changed files with 35 additions and 0 deletions
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35
openbsc/src/sccp/sccp.c
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@ -1275,6 +1275,41 @@ int sccp_determine_msg_type(struct msgb *msg)
return msg->l2h[0];
}
int sccp_parse_header(struct msgb *msg, struct sccp_parse_result *result)
{
int type;
if (msgb_l2len(msg) < 1)
return -1;
type = msg->l2h[0];
switch(type) {
case SCCP_MSG_TYPE_CR:
return _sccp_parse_connection_request(msg, result);
break;
case SCCP_MSG_TYPE_RLSD:
return _sccp_parse_connection_released(msg, result);
break;
case SCCP_MSG_TYPE_CREF:
return _sccp_parse_connection_refused(msg, result);
break;
case SCCP_MSG_TYPE_CC:
return _sccp_parse_connection_confirm(msg, result);
break;
case SCCP_MSG_TYPE_RLC:
return _sccp_parse_connection_release_complete(msg, result);
break;
case SCCP_MSG_TYPE_DT1:
return _sccp_parse_connection_dt1(msg, result);
break;
case SCCP_MSG_TYPE_UDT:
return _sccp_parse_udt(msg, result);
break;
};
return -1;
}
static __attribute__((constructor)) void on_dso_load(void)
{
tall_sccp_ctx = talloc_named_const(NULL, 1, "sccp");