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#ifndef _CHANNEL_H_
#define _CHANNEL_H_
#include <stdint.h>
/* channel types */
enum {
OSMO_CHAN_NONE,
OSMO_CHAN_ABIS_IPA_SRV,
OSMO_CHAN_ABIS_IPA_CLI,
OSMO_CHAN_MAX,
};
/* channel subtypes */
enum {
OSMO_SUBCHAN_STREAM,
OSMO_SUBCHAN_MAX,
};
struct osmo_chan;
struct msgb;
struct osmo_chan_type {
struct llist_head head;
char *name;
int type;
int subtype;
int datasiz;
int (*create)(struct osmo_chan *chan);
void (*destroy)(struct osmo_chan *chan);
int (*open)(struct osmo_chan *chan);
void (*close)(struct osmo_chan *chan);
int (*enqueue)(struct osmo_chan *chan, struct msgb *msg);
};
struct osmo_chan {
void *ctx;
struct osmo_chan_type *ops;
char data[0];
};
void osmo_chan_init(void *ctx);
struct osmo_chan *osmo_chan_create(int type, int subtype);
void osmo_chan_destroy(struct osmo_chan *c);
int osmo_chan_open(struct osmo_chan *c);
void osmo_chan_close(struct osmo_chan *c);
int osmo_chan_enqueue(struct osmo_chan *c, struct msgb *msg);
#endif /* _CHANNEL_H_ */
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