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]
int	far_max_datagram
int	far_max_ifp
int	fd
int	flags
struct io_context *	io
int *	ioid
unsigned int	lasteventseqn
int	local_max_datagram
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_seq_no
struct ast_sched_context *	sched
char *	tag
struct ast_sockaddr	them
udptl_fec_tx_buffer_t	tx [UDPTL_BUF_MASK+1]
unsigned int	tx_seq_no
struct ast_sockaddr	us

Detailed Description

Structure for an UDPTL session.

Definition at line 114 of file udptl.c.

Field Documentation

ast_udptl_callback callback

Definition at line 129 of file udptl.c.

Referenced by ast_udptl_set_callback(), and udptlread().

void* data

Definition at line 127 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 139 of file udptl.c.

Referenced by ast_udptl_new_with_bindaddr(), ast_udptl_set_error_correction_scheme(), calculate_far_max_ifp(), 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 134 of file udptl.c.

Referenced by ast_udptl_get_error_correction_scheme(), 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 144 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]

Definition at line 117 of file udptl.c.

Referenced by ast_udptl_read(), and udptl_rx_packet().

int far_max_datagram

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

Definition at line 149 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().

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, or -1 if it hasn't been calculated since the last changes were applied to the UDPTL structure.

Definition at line 163 of file udptl.c.

Referenced by ast_udptl_get_far_max_ifp(), ast_udptl_new_with_bindaddr(), ast_udptl_set_error_correction_scheme(), ast_udptl_set_far_max_datagram(), ast_udptl_write(), and calculate_far_max_ifp().

int fd

Definition at line 115 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 121 of file udptl.c.

Referenced by ast_udptl_new_with_bindaddr().

struct io_context* io

Definition at line 126 of file udptl.c.

Referenced by ast_udptl_destroy(), and ast_udptl_new_with_bindaddr().

int* ioid

Definition at line 124 of file udptl.c.

Referenced by ast_udptl_destroy(), and ast_udptl_new_with_bindaddr().

unsigned int lasteventseqn

Definition at line 119 of file udptl.c.

int local_max_datagram

The maximum size UDPTL packet that we are prepared to accept, or -1 if it hasn't been calculated since the last changes were applied to the UDPTL structure.

Definition at line 155 of file udptl.c.

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

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 169 of file udptl.c.

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

int nat

Definition at line 120 of file udptl.c.

Referenced by ast_udptl_read(), and ast_udptl_setnat().

unsigned char rawdata[8192+AST_FRIENDLY_OFFSET]

Definition at line 118 of file udptl.c.

Referenced by ast_udptl_read().

char resp

Definition at line 116 of file udptl.c.

udptl_fec_rx_buffer_t rx[UDPTL_BUF_MASK+1]

Definition at line 175 of file udptl.c.