osmo-cbc/include/osmocom/cbc/sbcap_link.h

53 lines
1.7 KiB
C

#pragma once
#include <osmocom/core/linuxlist.h>
#include <osmocom/netif/stream.h>
#include <osmocom/sbcap/sbcap_common.h>
#include "cbc_data.h"
#define SBcAP_SCTP_PORT 29168
typedef struct SBcAP_SBC_AP_PDU SBcAP_SBC_AP_PDU_t;
#define LOGPSBCAPC(link, level, fmt, args...) \
LOGP(DSBcAP, level, "%s: " fmt, cbc_sbcap_link_name(link), ## args)
struct cbc_sbcap_link;
struct osmo_fsm_inst;
struct cbc_peer;
/* Holder of all SBc-AP conn related information: */
struct cbc_sbcap_mgr {
/* libosmo-netif stream server */
struct osmo_stream_srv_link *srv_link;
/* MMEs / links connected to this CBC */
struct llist_head links;
/* receive call-back; called for every received message */
int (*rx_cb)(struct cbc_sbcap_link *link, SBcAP_SBC_AP_PDU_t *pdu);
};
struct cbc_sbcap_mgr *cbc_sbcap_mgr_alloc(void *ctx);
int cbc_sbcap_mgr_open_srv(struct cbc_sbcap_mgr *mgr);
/* an SBc-AP link with a single (remote) peer connected to us */
struct cbc_sbcap_link {
/* entry in osmo_sbcap_cbc.links */
struct llist_head list;
struct osmo_fsm_inst *fi;
struct cbc_peer *peer;
bool is_client;
union {
struct osmo_stream_srv *srv_conn;
struct osmo_stream_cli *cli_conn;
void *conn; /* used when we just care about the pointer */
};
};
struct cbc_sbcap_link *cbc_sbcap_link_alloc(struct cbc_sbcap_mgr *cbc, struct cbc_peer *peer);
void cbc_sbcap_link_free(struct cbc_sbcap_link *link);
const char *cbc_sbcap_link_name(const struct cbc_sbcap_link *link);
int cbc_sbcap_link_open_cli(struct cbc_sbcap_link *link);
int cbc_sbcap_link_tx(struct cbc_sbcap_link *link, SBcAP_SBC_AP_PDU_t *pdu);
void cbc_sbcap_link_close(struct cbc_sbcap_link *link);
int cbc_sbcap_link_rx_cb(struct cbc_sbcap_link *link, SBcAP_SBC_AP_PDU_t *pdu);