osmux.h File Reference

Osmocom multiplex protocol helpers. More...

#include <osmocom/core/endian.h>
#include <osmocom/core/timer.h>
#include <osmocom/core/msgb.h>

Go to the source code of this file.

Data Structures
struct	osmux_hdr
	Osmux protocol header. More...
struct	osmux_in_handle
	one to handle all existing RTP flows More...
struct	osmux_out_handle
	one per OSmux circuit_id, ie. More...

Macros
#define	OSMUX_DEFAULT_PORT   1984
#define	OSMUX_FT_SIGNAL   0
#define	OSMUX_FT_VOICE_AMR   1
#define	OSMUX_FT_DUMMY   2
#define	OSMUX_CID_MAX   255 /* determined by circuit_id */
#define	OSMUX_MAX_CONCURRENT_CALLS   8
#define	OSMUX_BATCH_DEFAULT_MAX   1472

Typedefs
typedef struct msgb *(*	rtp_msgb_alloc_cb_t) (void *rtp_msgb_alloc_priv_data, unsigned int msg_len)

Functions
struct osmux_hdr	__attribute__ ((packed))
int	osmux_snprintf (char *buf, size_t size, struct msgb *msg)
	Print osmux header fields and payload from msg into buffer buf. More...
struct osmux_in_handle *	osmux_xfrm_input_alloc (void *ctx)
	Allocate a new osmux in handle (osmux source, tx side) More...
void	osmux_xfrm_input_init (struct osmux_in_handle *h) OSMO_DEPRECATED("Use osmux_xfrm_input_alloc() instead")
void	osmux_xfrm_input_fini (struct osmux_in_handle *h) OSMO_DEPRECATED("Use talloc_free() instead")
void	osmux_xfrm_input_set_name (struct osmux_in_handle *h, const char *name)
int	osmux_xfrm_input_set_batch_factor (struct osmux_in_handle *h, uint8_t batch_factor)
void	osmux_xfrm_input_set_batch_size (struct osmux_in_handle *h, uint16_t batch_size)
void	osmux_xfrm_input_set_initial_seqnum (struct osmux_in_handle *h, uint8_t osmux_seqnum)
void	osmux_xfrm_input_set_deliver_cb (struct osmux_in_handle *h, void(*deliver_cb)(struct msgb *msg, void *data), void *data)
void *	osmux_xfrm_input_get_deliver_cb_data (struct osmux_in_handle *h)
int	osmux_xfrm_input_open_circuit (struct osmux_in_handle *h, int ccid, int dummy)
void	osmux_xfrm_input_close_circuit (struct osmux_in_handle *h, int ccid)
int	osmux_xfrm_input (struct osmux_in_handle *h, struct msgb *msg, int ccid)
	osmux_xfrm_input - add RTP message to OSmux batch More...
void	osmux_xfrm_input_deliver (struct osmux_in_handle *h)
struct osmux_out_handle *	osmux_xfrm_output_alloc (void *ctx)
	Allocate a new osmux out handle. More...
void	osmux_xfrm_output_init (struct osmux_out_handle *h, uint32_t rtp_ssrc) OSMO_DEPRECATED("Use osmux_xfrm_output_alloc() and osmux_xfrm_output_set_rtp_*() instead")
void	osmux_xfrm_output_init2 (struct osmux_out_handle *h, uint32_t rtp_ssrc, uint8_t rtp_payload_type) OSMO_DEPRECATED("Use osmux_xfrm_output_alloc() and osmux_xfrm_output_set_rtp_*() instead")
void	osmux_xfrm_output_set_rtp_ssrc (struct osmux_out_handle *h, uint32_t rtp_ssrc)
	Set SSRC of generated RTP packets from Osmux frames. More...
void	osmux_xfrm_output_set_rtp_pl_type (struct osmux_out_handle *h, uint32_t rtp_payload_type)
	Set Payload Type of generated RTP packets from Osmux frames. More...
void	osmux_xfrm_output_set_tx_cb (struct osmux_out_handle *h, void(*tx_cb)(struct msgb *msg, void *data), void *data)
	Set transmission callback to call when a generated RTP packet is to be transmitted. More...
void	osmux_xfrm_output_set_rtp_msgb_alloc_cb (struct osmux_out_handle *h, rtp_msgb_alloc_cb_t cb, void *cb_data)
	Set callback to call when an RTP packet to be generated is to be allocated. More...
int	osmux_xfrm_output_sched (struct osmux_out_handle *h, struct osmux_hdr *osmuxh)
	Generate RTP packets from osmux frame AMR payload set and schedule them for transmission at appropriate time. More...
void	osmux_xfrm_output_flush (struct osmux_out_handle *h)
	Flush all scheduled RTP packets still pending to be transmitted. More...
struct osmux_hdr *	osmux_xfrm_output_pull (struct msgb *msg)

Variables
uint8_t	seq
uint8_t	circuit_id
uint8_t	data [0]
struct osmux_in_handle	__attribute__

Detailed Description

Osmocom multiplex protocol helpers.