ast_udptl Struct Reference

Structure for an UDPTL session. More...

Collaboration diagram for ast_udptl:

Data Fields
ast_udptl_callback	callback
void *	data
unsigned int	error_correction_entries
enum ast_t38_ec_modes	error_correction_scheme
unsigned int	error_correction_span
struct ast_frame	f [16]
struct sockaddr_in	far
unsigned int	far_max_datagram
unsigned int	far_max_ifp
int	fd
int	flags
struct io_context *	io
int *	ioid
unsigned int	lasteventseqn
unsigned int	local_max_datagram
unsigned int	local_max_ifp
int	nat
unsigned char	rawdata [8192+AST_FRIENDLY_OFFSET]
char	resp
udptl_fec_rx_buffer_t	rx [UDPTL_BUF_MASK+1]
unsigned int	rx_expected_seq_no
unsigned int	rx_seq_no
struct sched_context *	sched
struct sockaddr_in	them
udptl_fec_tx_buffer_t	tx [UDPTL_BUF_MASK+1]
unsigned int	tx_seq_no
struct sockaddr_in	us
int	verbose

Detailed Description

Structure for an UDPTL session.

Definition at line 111 of file udptl.c.

Field Documentation

ast_udptl_callback callback

Definition at line 125 of file udptl.c.

Referenced by ast_udptl_set_callback(), and udptlread().

void* data

Definition at line 124 of file udptl.c.

Referenced by ast_udptl_set_data(), and udptlread().

unsigned int error_correction_entries

This option indicates the number of error correction entries transmitted in UDPTL packets and expected in received UDPTL packets.

Definition at line 135 of file udptl.c.

Referenced by ast_udptl_new_with_bindaddr(), ast_udptl_set_error_correction_scheme(), calculate_far_max_ifp(), calculate_local_max_datagram(), and udptl_build_packet().

enum ast_t38_ec_modes error_correction_scheme

This option indicates the error correction scheme used in transmitted UDPTL packets and expected in received UDPTL packets.

Definition at line 130 of file udptl.c.

Referenced by ast_udptl_get_error_correction_scheme(), ast_udptl_new_with_bindaddr(), ast_udptl_set_error_correction_scheme(), calculate_far_max_ifp(), calculate_local_max_datagram(), and udptl_build_packet().

unsigned int error_correction_span

This option indicates the span of the error correction entries in transmitted UDPTL packets (FEC only).

Definition at line 140 of file udptl.c.

Referenced by ast_udptl_new_with_bindaddr(), ast_udptl_set_error_correction_scheme(), and udptl_build_packet().

struct ast_frame f[16] [read]

Definition at line 114 of file udptl.c.

Referenced by ast_udptl_read(), and udptl_rx_packet().

struct sockaddr_in far [read]

Definition at line 166 of file udptl.c.

unsigned int far_max_datagram

The maximum size UDPTL packet that can be accepted by the remote device.

Definition at line 145 of file udptl.c.

Referenced by ast_udptl_get_far_max_datagram(), ast_udptl_new_with_bindaddr(), ast_udptl_set_far_max_datagram(), ast_udptl_write(), and calculate_far_max_ifp().

unsigned int far_max_ifp

The maximum IFP that can be submitted for sending to the remote device. Calculated from far_max_datagram, error_correction_scheme and error_correction_entries.

Definition at line 156 of file udptl.c.

Referenced by ast_udptl_get_far_max_ifp(), ast_udptl_write(), and calculate_far_max_ifp().

int fd

Definition at line 112 of file udptl.c.

Referenced by ast_udptl_destroy(), ast_udptl_fd(), ast_udptl_new_with_bindaddr(), ast_udptl_read(), ast_udptl_setqos(), and ast_udptl_write().

int flags

Definition at line 118 of file udptl.c.

Referenced by ast_udptl_new_with_bindaddr().

struct io_context* io [read]

Definition at line 123 of file udptl.c.

Referenced by ast_udptl_destroy(), and ast_udptl_new_with_bindaddr().

int* ioid

Definition at line 121 of file udptl.c.

Referenced by ast_udptl_destroy(), and ast_udptl_new_with_bindaddr().

unsigned int lasteventseqn

Definition at line 116 of file udptl.c.

unsigned int local_max_datagram

The maximum size UDPTL packet that we are prepared to accept.

Definition at line 150 of file udptl.c.

Referenced by ast_udptl_get_local_max_datagram(), ast_udptl_new_with_bindaddr(), and calculate_local_max_datagram().

unsigned int local_max_ifp

The maximum IFP that the local endpoint is prepared to accept. Along with error_correction_scheme and error_correction_entries, used to calculate local_max_datagram.

Definition at line 162 of file udptl.c.

Referenced by ast_udptl_set_local_max_ifp(), and calculate_local_max_datagram().

int nat

Definition at line 117 of file udptl.c.

Referenced by ast_udptl_read(), and ast_udptl_setnat().

unsigned char rawdata[8192+AST_FRIENDLY_OFFSET]

Definition at line 115 of file udptl.c.

Referenced by ast_udptl_read().

char resp

Definition at line 113 of file udptl.c.

udptl_fec_rx_buffer_t rx[UDPTL_BUF_MASK+1]

Definition at line 173 of file udptl.c.