Thu Oct 11 06:51:31 2012

Asterisk developer's documentation


sip_pkt Struct Reference

sip packet - raw format for outbound packets that are sent or scheduled for transmission Packets are linked in a list, whose head is in the struct sip_pvt they belong to. Each packet holds a reference to the parent struct sip_pvt. This structure is allocated in __sip_reliable_xmit() and only for packets that require retransmissions. More...

Collaboration diagram for sip_pkt:

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Data Fields

struct ast_strdata
char is_fatal
char is_resp
int method
struct sip_pktnext
struct sip_pvtowner
int packetlen
int response_code
int retrans
int retransid
int seqno
int timer_a
int timer_t1

Detailed Description

sip packet - raw format for outbound packets that are sent or scheduled for transmission Packets are linked in a list, whose head is in the struct sip_pvt they belong to. Each packet holds a reference to the parent struct sip_pvt. This structure is allocated in __sip_reliable_xmit() and only for packets that require retransmissions.

Definition at line 1799 of file chan_sip.c.


Field Documentation

struct ast_str* data [read]

char is_fatal

non-zero if there is a fatal error

Definition at line 1805 of file chan_sip.c.

Referenced by __sip_reliable_xmit(), and retrans_pkt().

char is_resp

1 if this is a response packet (e.g. 200 OK), 0 if it is a request

Definition at line 1804 of file chan_sip.c.

Referenced by __sip_ack(), __sip_pretend_ack(), __sip_reliable_xmit(), __sip_semi_ack(), retrans_pkt(), and sip_hangup().

int method

SIP method for this packet

Definition at line 1802 of file chan_sip.c.

Referenced by __sip_ack(), __sip_pretend_ack(), __sip_reliable_xmit(), retrans_pkt(), and sip_hangup().

struct sip_pkt* next [read]

Next packet in linked list

Definition at line 1800 of file chan_sip.c.

Referenced by __sip_ack(), __sip_reliable_xmit(), __sip_semi_ack(), dialog_unlink_all(), handle_request_cancel(), retrans_pkt(), and sip_hangup().

struct sip_pvt* owner [read]

Owner AST call

Definition at line 1807 of file chan_sip.c.

Referenced by __sip_ack(), __sip_reliable_xmit(), dialog_unlink_all(), handle_request_cancel(), and retrans_pkt().

int packetlen

Length of packet

Definition at line 1811 of file chan_sip.c.

Referenced by __sip_reliable_xmit(), and retrans_pkt().

If this is a response, the response code

Definition at line 1806 of file chan_sip.c.

Referenced by __sip_reliable_xmit(), and handle_request_cancel().

int retrans

Retransmission number

Definition at line 1801 of file chan_sip.c.

Referenced by retrans_pkt().

int retransid

Retransmission ID

Definition at line 1808 of file chan_sip.c.

Referenced by __sip_ack(), __sip_reliable_xmit(), __sip_semi_ack(), dialog_unlink_all(), handle_request_cancel(), and retrans_pkt().

int seqno

int timer_a

SIP timer A, retransmission timer

Definition at line 1809 of file chan_sip.c.

Referenced by retrans_pkt().

int timer_t1

SIP Timer T1, estimated RTT or 500 ms

Definition at line 1810 of file chan_sip.c.

Referenced by __sip_reliable_xmit(), and retrans_pkt().


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

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