ast_rtp Struct Reference

RTP session description. More...

Collaboration diagram for ast_rtp:

Data Fields
struct ast_sockaddr	alt_rtp_address
struct rtp_learning_info	alt_source_learn
struct ast_rtp *	bridged
enum ast_rtp_dtls_connection	connection
unsigned int	cycles
void *	data
double	drxcore
unsigned int	dtls_failure:1
enum ast_rtp_dtls_setup	dtls_setup
unsigned int	dtmf_duration
unsigned int	dtmf_timeout
enum ast_rtp_dtmf_mode	dtmfmode
struct timeval	dtmfmute
unsigned int	dtmfsamples
struct ast_frame	f
unsigned int	flags
struct io_context *	io
int *	ioid
unsigned int	last_end_timestamp
unsigned int	last_seqno
unsigned int	lastdigitts
unsigned int	lasteventseqn
unsigned int	lastitexttimestamp
unsigned int	lastividtimestamp
unsigned int	lastotexttimestamp
unsigned int	lastovidtimestamp
struct timeval	lastrx
struct ast_format	lastrxformat
int	lastrxseqno
unsigned int	lastrxts
unsigned int	lastts
struct ast_format	lasttxformat
char	local_fingerprint [160]
unsigned char	rawdata [8192+AST_FRIENDLY_OFFSET]
BIO *	read_bio
struct rtp_red *	red
unsigned int	rekey
int	rekeyid
unsigned char	remote_fingerprint [EVP_MAX_MD_SIZE]
char	resp
struct ast_rtcp *	rtcp
struct rtp_learning_info	rtp_source_learn
int	rtpholdtimeout
int	rtpkeepalive
int	rtptimeout
struct timeval	rxcore
unsigned int	rxcount
double	rxjitter
unsigned int	rxoctetcount
unsigned short	rxseqno
unsigned int	rxssrc
double	rxtransit
int	s
struct ast_sched_context *	sched
unsigned short	seedrxseqno
unsigned int	seedrxts
char	send_digit
int	send_duration
int	send_payload
char	sending_digit
unsigned short	seqno
struct ast_smoother *	smoother
SSL *	ssl
SSL_CTX *	ssl_ctx
unsigned int	ssrc
struct ast_sockaddr	strict_rtp_address
enum strict_rtp_state	strict_rtp_state
enum ast_srtp_suite	suite
unsigned int	themssrc
struct timeval	txcore
unsigned int	txcount
unsigned int	txoctetcount
BIO *	write_bio

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Detailed Description

RTP session description.

Definition at line 188 of file res_rtp_asterisk.c.

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Field Documentation

struct ast_sockaddr alt_rtp_address

Alternate remote address information

Definition at line 251 of file res_rtp_asterisk.c.

Referenced by ast_rtp_alt_remote_address_set(), and ast_rtp_read().

struct rtp_learning_info alt_source_learn

Definition at line 258 of file res_rtp_asterisk.c.

Referenced by ast_rtp_new(), and ast_rtp_read().

struct ast_rtp* bridged

Who we are Packet bridged to

Definition at line 247 of file res_rtp_asterisk.c.

Referenced by bridge_p2p_rtp_write().

enum ast_rtp_dtls_connection connection

Whether this is a new or existing connection

Definition at line 293 of file res_rtp_asterisk.c.

Referenced by __rtp_recvfrom(), ast_rtp_dtls_get_connection(), ast_rtp_dtls_reset(), and ast_rtp_dtls_set_configuration().

unsigned int cycles

Shifted count of sequence number cycles

Definition at line 209 of file res_rtp_asterisk.c.

Referenced by ast_rtcp_write_rr(), ast_rtcp_write_sr(), and ast_rtp_read().

void* data

Definition at line 245 of file res_rtp_asterisk.c.

double drxcore

The double representation of the first received packet

Definition at line 236 of file res_rtp_asterisk.c.

Referenced by calc_rxstamp().

unsigned int dtls_failure

Failure occurred during DTLS negotiation

Definition at line 294 of file res_rtp_asterisk.c.

Referenced by __rtp_recvfrom(), and dtls_info_callback().

enum ast_rtp_dtls_setup dtls_setup

Current setup state

Definition at line 289 of file res_rtp_asterisk.c.

Referenced by __rtp_recvfrom(), ast_rtp_dtls_get_setup(), ast_rtp_dtls_set_configuration(), ast_rtp_dtls_set_setup(), and dtls_srtp_setup().

unsigned int dtmf_duration

Total duration in samples since the digit start event

Definition at line 223 of file res_rtp_asterisk.c.

Referenced by ast_rtp_read(), and process_dtmf_rfc2833().

unsigned int dtmf_timeout

When this timestamp is reached we consider END frame lost and forcibly abort digit

Definition at line 224 of file res_rtp_asterisk.c.

Referenced by ast_rtp_read(), process_dtmf_cisco(), and process_dtmf_rfc2833().

enum ast_rtp_dtmf_mode dtmfmode

The current DTMF mode of the RTP stream

Definition at line 226 of file res_rtp_asterisk.c.

Referenced by ast_rtp_dtmf_mode_get(), and ast_rtp_dtmf_mode_set().

struct timeval dtmfmute

Definition at line 238 of file res_rtp_asterisk.c.

Referenced by ast_rtp_dtmf_begin(), ast_rtp_dtmf_end_with_duration(), ast_rtp_sendcng(), and create_dtmf_frame().

unsigned int dtmfsamples

Definition at line 225 of file res_rtp_asterisk.c.

Referenced by create_dtmf_frame(), process_dtmf_cisco(), and process_dtmf_rfc2833().

struct ast_frame f

Definition at line 190 of file res_rtp_asterisk.c.

Referenced by ast_rtcp_read(), ast_rtcp_write_rr(), ast_rtcp_write_sr(), ast_rtp_dtmf_end_with_duration(), ast_rtp_read(), calc_rxstamp(), create_dtmf_frame(), and process_cn_rfc3389().

unsigned int flags

Definition at line 233 of file res_rtp_asterisk.c.

Referenced by process_dtmf_cisco().

struct io_context* io

Definition at line 244 of file res_rtp_asterisk.c.

int* ioid

Definition at line 240 of file res_rtp_asterisk.c.

unsigned int last_end_timestamp

The last known timestamp received from an END packet

Definition at line 222 of file res_rtp_asterisk.c.

Referenced by ast_rtp_read(), and process_dtmf_rfc2833().

unsigned int last_seqno

The last known sequence number for any DTMF packet

Definition at line 221 of file res_rtp_asterisk.c.

Referenced by ast_rtp_read(), and process_dtmf_rfc2833().

unsigned int lastdigitts

Definition at line 228 of file res_rtp_asterisk.c.

Referenced by ast_rtp_dtmf_begin(), ast_rtp_dtmf_continuation(), ast_rtp_dtmf_end_with_duration(), ast_rtp_raw_write(), and ast_rtp_sendcng().

unsigned int lasteventseqn

Definition at line 201 of file res_rtp_asterisk.c.

unsigned int lastitexttimestamp

Definition at line 199 of file res_rtp_asterisk.c.

Referenced by ast_rtp_read().

unsigned int lastividtimestamp

Definition at line 197 of file res_rtp_asterisk.c.

Referenced by ast_rtp_read().

unsigned int lastotexttimestamp

Definition at line 200 of file res_rtp_asterisk.c.

Referenced by ast_rtp_raw_write().

unsigned int lastovidtimestamp

Definition at line 198 of file res_rtp_asterisk.c.

Referenced by ast_rtp_raw_write().

struct timeval lastrx

timeval when we last received a packet

Definition at line 237 of file res_rtp_asterisk.c.

struct ast_format lastrxformat

Definition at line 213 of file res_rtp_asterisk.c.

Referenced by ast_rtp_read(), process_cn_rfc3389(), and process_dtmf_cisco().

int lastrxseqno

Last received sequence number

Definition at line 202 of file res_rtp_asterisk.c.

Referenced by ast_rtcp_write_rr(), ast_rtcp_write_sr(), and ast_rtp_read().

unsigned int lastrxts

Definition at line 196 of file res_rtp_asterisk.c.

Referenced by ast_rtp_read().

unsigned int lastts

Definition at line 195 of file res_rtp_asterisk.c.

Referenced by ast_rtcp_write_sr(), ast_rtp_change_source(), ast_rtp_dtmf_begin(), ast_rtp_dtmf_continuation(), ast_rtp_dtmf_end_with_duration(), ast_rtp_raw_write(), and ast_rtp_sendcng().

struct ast_format lasttxformat

Definition at line 212 of file res_rtp_asterisk.c.

Referenced by ast_rtp_write().

char local_fingerprint[160]

Fingerprint of our certificate

Definition at line 291 of file res_rtp_asterisk.c.

Referenced by ast_rtp_dtls_get_fingerprint(), and ast_rtp_dtls_set_configuration().

unsigned char rawdata[8192+AST_FRIENDLY_OFFSET]

Definition at line 191 of file res_rtp_asterisk.c.

Referenced by ast_rtp_read(), and process_cn_rfc3389().

BIO* read_bio

Memory buffer for reading

Definition at line 287 of file res_rtp_asterisk.c.

Referenced by __rtp_recvfrom(), and ast_rtp_dtls_set_configuration().

struct rtp_red* red

Definition at line 260 of file res_rtp_asterisk.c.

Referenced by ast_rtp_destroy(), ast_rtp_stop(), ast_rtp_write(), red_write(), rtp_red_buffer(), and rtp_red_init().

unsigned int rekey

Interval at which to renegotiate and rekey

Definition at line 295 of file res_rtp_asterisk.c.

Referenced by ast_rtp_dtls_set_configuration(), and dtls_srtp_setup().

int rekeyid

Scheduled item id for rekeying

Definition at line 296 of file res_rtp_asterisk.c.

Referenced by ast_rtp_new(), ast_rtp_stop(), dtls_srtp_renegotiate(), and dtls_srtp_setup().

unsigned char remote_fingerprint[EVP_MAX_MD_SIZE]

Fingerprint of the peer certificate

Definition at line 292 of file res_rtp_asterisk.c.

Referenced by ast_rtp_dtls_set_fingerprint(), and dtls_srtp_setup().

char resp

The current digit being processed

Definition at line 220 of file res_rtp_asterisk.c.

Referenced by ast_rtp_read(), create_dtmf_frame(), process_dtmf_cisco(), and process_dtmf_rfc2833().

struct ast_rtcp* rtcp

Definition at line 246 of file res_rtp_asterisk.c.

Referenced by __rtp_recvfrom(), __rtp_sendto(), ast_rtcp_read(), ast_rtcp_write(), ast_rtcp_write_rr(), ast_rtcp_write_sr(), ast_rtp_destroy(), ast_rtp_fd(), ast_rtp_get_stat(), ast_rtp_prop_set(), ast_rtp_raw_write(), ast_rtp_read(), ast_rtp_remote_address_set(), ast_rtp_stop(), and calc_rxstamp().

struct rtp_learning_info rtp_source_learn

Definition at line 257 of file res_rtp_asterisk.c.

Referenced by ast_rtp_new(), ast_rtp_read(), and ast_rtp_remote_address_set().

int rtpholdtimeout

RTP timeout when on hold (negative or zero means disabled, negative value means temporarily disabled).

Definition at line 216 of file res_rtp_asterisk.c.

int rtpkeepalive

Send RTP comfort noice packets for keepalive

Definition at line 217 of file res_rtp_asterisk.c.

int rtptimeout

RTP timeout time (negative or zero means disabled, negative value means temporarily disabled)

Definition at line 215 of file res_rtp_asterisk.c.

struct timeval rxcore

Definition at line 234 of file res_rtp_asterisk.c.

Referenced by calc_rxstamp().

unsigned int rxcount

How many packets have we received?

Definition at line 205 of file res_rtp_asterisk.c.

Referenced by ast_rtcp_write_rr(), ast_rtcp_write_sr(), ast_rtp_get_stat(), and ast_rtp_read().

double rxjitter

Interarrival jitter at the moment in seconds

Definition at line 210 of file res_rtp_asterisk.c.

Referenced by ast_rtcp_write_rr(), ast_rtcp_write_sr(), ast_rtp_get_stat(), and calc_rxstamp().

unsigned int rxoctetcount

How many octets have we received? should be rxcount *160

Definition at line 206 of file res_rtp_asterisk.c.

unsigned short rxseqno

Definition at line 242 of file res_rtp_asterisk.c.

Referenced by ast_rtp_read(), and ast_rtp_remote_address_set().

unsigned int rxssrc

Definition at line 194 of file res_rtp_asterisk.c.

Referenced by ast_rtp_read().

double rxtransit

Relative transit time for previous packet

Definition at line 211 of file res_rtp_asterisk.c.

Referenced by calc_rxstamp().

int s

Definition at line 189 of file res_rtp_asterisk.c.

Referenced by __rtp_recvfrom(), __rtp_sendto(), ast_rtp_destroy(), ast_rtp_fd(), ast_rtp_new(), ast_rtp_qos_set(), ast_rtp_read(), and ast_rtp_stun_request().

struct ast_sched_context* sched

Definition at line 243 of file res_rtp_asterisk.c.

Referenced by ast_rtp_destroy(), ast_rtp_new(), ast_rtp_prop_set(), ast_rtp_raw_write(), ast_rtp_read(), ast_rtp_stop(), dtls_srtp_setup(), and rtp_red_init().

unsigned short seedrxseqno

What sequence number did they start with?

Definition at line 203 of file res_rtp_asterisk.c.

Referenced by ast_rtcp_write_rr(), ast_rtcp_write_sr(), and ast_rtp_read().

unsigned int seedrxts

What RTP timestamp did they start with?

Definition at line 204 of file res_rtp_asterisk.c.

Referenced by calc_rxstamp().

char send_digit

digit we are sending

Definition at line 230 of file res_rtp_asterisk.c.

Referenced by ast_rtp_dtmf_begin(), ast_rtp_dtmf_continuation(), and ast_rtp_dtmf_end_with_duration().

int send_duration

Definition at line 232 of file res_rtp_asterisk.c.

Referenced by ast_rtp_dtmf_begin(), ast_rtp_dtmf_continuation(), and ast_rtp_dtmf_end_with_duration().

int send_payload

Definition at line 231 of file res_rtp_asterisk.c.

Referenced by ast_rtp_dtmf_begin(), ast_rtp_dtmf_continuation(), and ast_rtp_dtmf_end_with_duration().

char sending_digit

boolean - are we sending digits

Definition at line 229 of file res_rtp_asterisk.c.

Referenced by ast_rtp_dtmf_begin(), ast_rtp_dtmf_end_with_duration(), ast_rtp_raw_write(), and ast_rtp_read().

unsigned short seqno

Sequence number, RFC 3550, page 13.

Definition at line 241 of file res_rtp_asterisk.c.

Referenced by ast_rtp_dtmf_begin(), ast_rtp_dtmf_continuation(), ast_rtp_dtmf_end_with_duration(), ast_rtp_new(), ast_rtp_raw_write(), ast_rtp_remote_address_set(), and ast_rtp_sendcng().

struct ast_smoother* smoother

Definition at line 239 of file res_rtp_asterisk.c.

Referenced by ast_rtp_destroy(), and ast_rtp_write().

SSL* ssl

SSL session

Definition at line 286 of file res_rtp_asterisk.c.

Referenced by __rtp_recvfrom(), ast_rtp_activate(), ast_rtp_destroy(), ast_rtp_dtls_reset(), ast_rtp_dtls_set_configuration(), ast_rtp_dtls_set_setup(), ast_rtp_dtls_stop(), dtls_srtp_renegotiate(), and dtls_srtp_setup().

SSL_CTX* ssl_ctx

SSL context

Definition at line 285 of file res_rtp_asterisk.c.

Referenced by ast_rtp_destroy(), ast_rtp_dtls_active(), ast_rtp_dtls_set_configuration(), ast_rtp_dtls_stop(), and dtls_srtp_setup().

unsigned int ssrc

Synchronization source, RFC 3550, page 10.

Definition at line 192 of file res_rtp_asterisk.c.

Referenced by ast_rtcp_write_rr(), ast_rtcp_write_sr(), ast_rtp_change_source(), ast_rtp_dtmf_begin(), ast_rtp_dtmf_continuation(), ast_rtp_dtmf_end_with_duration(), ast_rtp_get_stat(), ast_rtp_new(), ast_rtp_raw_write(), and ast_rtp_sendcng().

struct ast_sockaddr strict_rtp_address

Remote address information for strict RTP purposes

Definition at line 250 of file res_rtp_asterisk.c.

Referenced by ast_rtp_read().

enum strict_rtp_state strict_rtp_state

Current state that strict RTP protection is in

Definition at line 249 of file res_rtp_asterisk.c.

Referenced by ast_rtp_new(), ast_rtp_read(), and ast_rtp_remote_address_set().

enum ast_srtp_suite suite

SRTP crypto suite

Definition at line 290 of file res_rtp_asterisk.c.

Referenced by ast_rtp_dtls_set_configuration(), and dtls_srtp_setup().

unsigned int themssrc

Their SSRC

Definition at line 193 of file res_rtp_asterisk.c.

Referenced by ast_rtcp_write_rr(), ast_rtcp_write_sr(), ast_rtp_get_stat(), and ast_rtp_read().

struct timeval txcore

Definition at line 235 of file res_rtp_asterisk.c.

Referenced by calc_txstamp().

unsigned int txcount

How many packets have we sent?

Definition at line 207 of file res_rtp_asterisk.c.

Referenced by ast_rtcp_write(), ast_rtcp_write_sr(), ast_rtp_get_stat(), and ast_rtp_raw_write().

unsigned int txoctetcount

How many octets have we sent? (txcount*160)

Definition at line 208 of file res_rtp_asterisk.c.

Referenced by ast_rtcp_write_sr(), and ast_rtp_raw_write().

BIO* write_bio

Memory buffer for writing

Definition at line 288 of file res_rtp_asterisk.c.

Referenced by ast_rtp_dtls_set_configuration(), and dtls_srtp_check_pending().

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The documentation for this struct was generated from the following file:

• res_rtp_asterisk.c