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[sccp] Export function to create SCCP Refuse message.

This commit is contained in:
Holger Hans Peter Freyther 2010-05-14 03:34:35 +08:00
parent 277f035dee
commit 7bf332a480
2 changed files with 16 additions and 1 deletions
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2
openbsc/include/sccp/sccp.h
View File

@ -148,6 +148,8 @@ extern const struct sockaddr_sccp sccp_ssn_bssap;
u_int32_t sccp_src_ref_to_int(struct sccp_source_reference *ref);
struct sccp_source_reference sccp_src_ref_from_int(u_int32_t);
struct msgb *sccp_create_refuse(struct sccp_source_reference *src_ref, int cause);
/**
* Below this are helper functions and structs for parsing SCCP messages
*/

15
openbsc/src/sccp/sccp.c
View File

@ -638,7 +638,7 @@ static void _sccp_set_connection_state(struct sccp_connection *connection, int n
connection->state_cb(connection, old_state);
}
static int _sccp_send_refuse(struct sccp_source_reference *src_ref, int cause)
struct msgb *sccp_create_refuse(struct sccp_source_reference *src_ref, int cause)
{
struct msgb *msgb;
struct sccp_connection_refused *ref;
@ -646,6 +646,11 @@ static int _sccp_send_refuse(struct sccp_source_reference *src_ref, int cause)
msgb = msgb_alloc_headroom(SCCP_MSG_SIZE,
SCCP_MSG_HEADROOM, "sccp ref");
if (!msgb) {
LOGP(DSCCP, LOGL_ERROR, "Failed to allocate refusal msg.\n");
return NULL;
}
msgb->l2h = &msgb->data[0];
ref = (struct sccp_connection_refused *) msgb_put(msgb, sizeof(*ref));
@ -657,6 +662,14 @@ static int _sccp_send_refuse(struct sccp_source_reference *src_ref, int cause)
data = msgb_put(msgb, 1);
data[0] = SCCP_PNC_END_OF_OPTIONAL;
return msgb;
}
static int _sccp_send_refuse(struct sccp_source_reference *src_ref, int cause)
{
struct msgb *msgb = sccp_create_refuse(src_ref, cause);
if (!msgb)
return -1;
_send_msg(msgb);
return 0;