dset.c File Reference

Destination set handling functions. More...

#include <string.h>
#include "dprint.h"
#include "config.h"
#include "parser/parser_f.h"
#include "parser/msg_parser.h"
#include "ut.h"
#include "hash_func.h"
#include "error.h"
#include "dset.h"
#include "mem/mem.h"
#include "ip_addr.h"

Include dependency graph for dset.c:

Go to the source code of this file.

Data Structures

struct branch

Defines

#define CONTACT   "Contact: "

#define CONTACT_DELIM   ", "

#define CONTACT_DELIM_LEN   (sizeof(CONTACT_DELIM) - 1)

#define CONTACT_LEN   (sizeof(CONTACT) - 1)

#define Q_PARAM   ">;q="

#define Q_PARAM_LEN   (sizeof(Q_PARAM) - 1)

Functions

int append_branch (struct sip_msg *msg, str *uri, str *dst_uri, str *path, qvalue_t q, unsigned int flags, struct socket_info *force_socket)

Add a new branch to current transaction.

int branch_uri2dset (str *new_uri)

moves the uri to destination for all branches and all uris are set to given uri

void clear_branches (void)

Empty the dset array.

char * get_branch (unsigned int idx, int *len, qvalue_t *q, str *dst_uri, str *path, unsigned int *flags, struct socket_info **force_socket)

Find the next brand from the destination set.

static unsigned int * get_ptr_bflags (unsigned int b_idx)

int get_request_uri (struct sip_msg *_m, str *_u)

Get actual Request-URI.

qvalue_t get_ruri_q (void)

Return the q value of the Request-URI.

unsigned int getb0flags (void)

Get the per branch flags for RURI.

int isbflagset (unsigned int b_idx, unsigned int mask)

Tests the per branch flags.

char * print_dset (struct sip_msg *msg, int *len)

Create a Contact header field from the dset array.

int resetbflag (unsigned int b_idx, unsigned int mask)

Resets the per branch flags.

int rewrite_uri (struct sip_msg *_m, str *_s)

Rewrite Request-URI.

void set_ruri_q (qvalue_t q)

Sets the q parameter of the Request-URI.

unsigned int setb0flags (unsigned int flags)

int setbflag (unsigned int b_idx, unsigned int mask)

Set the per branch flag.

Variables

static struct branch branches [MAX_BRANCHES-1]

Where we store URIs of additional transaction branches (-1 because of the default branch, #0).

unsigned int nr_branches = 0

static unsigned int ruri_bflags = 0

static qvalue_t ruri_q = Q_UNSPECIFIED

Detailed Description

Destination set handling functions.

Definition in file dset.c.

Define Documentation

#define CONTACT "Contact: "

Definition at line 41 of file dset.c.

Referenced by print_dset().

#define CONTACT_DELIM ", "

Definition at line 44 of file dset.c.

Referenced by print_dset().

#define CONTACT_DELIM_LEN (sizeof(CONTACT_DELIM) - 1)

Definition at line 45 of file dset.c.

Referenced by print_dset().

#define CONTACT_LEN (sizeof(CONTACT) - 1)

Definition at line 42 of file dset.c.

Referenced by print_dset().

#define Q_PARAM ">;q="

Definition at line 47 of file dset.c.

Referenced by build_contact(), and print_dset().

#define Q_PARAM_LEN (sizeof(Q_PARAM) - 1)

Definition at line 48 of file dset.c.

Referenced by build_contact(), calc_buf_len(), and print_dset().

Function Documentation

int append_branch	(	struct sip_msg *	msg,
		str *	uri,
		str *	dst_uri,
		str *	path,
		qvalue_t	q,
		unsigned int	flags,
		struct socket_info *	force_socket
	)

Add a new branch to current transaction.

Definition at line 257 of file dset.c.

References branches, branch::dst_uri, branch::dst_uri_len, E_TOO_MANY_BRANCHES, sip_msg::first_line, branch::flags, branch::force_send_socket, branch::len, _str::len, LM_ERR, MAX_BRANCHES, MAX_PATH_SIZE, MAX_URI_SIZE, sip_msg::new_uri, nr_branches, branch::path, branch::path_len, branch::q, msg_start::request, _str::s, ser_error, msg_start::u, and branch::uri.

Referenced by alias_db_lookup(), cpl_proxy_to_loc_set(), do_action(), do_dns_failover(), do_query(), dp_update(), ds_update_dst(), enum_pv_query_3(), exec_str(), lookup(), ops_pushto_avp(), ospPrepareDestination(), shmcontact2dset(), and t_next_contacts().

int branch_uri2dset ( str * new_uri )

moves the uri to destination for all branches and all uris are set to given uri

Definition at line 494 of file dset.c.

References branches, branch::dst_uri, branch::dst_uri_len, branch::len, len, _str::len, LM_ERR, MAX_URI_SIZE, nr_branches, _str::s, and branch::uri.

Referenced by t_replicate().

void clear_branches ( void )

Empty the dset array.

Empty the array of branches.

Definition at line 246 of file dset.c.

References nr_branches, Q_UNSPECIFIED, ruri_bflags, and ruri_q.

Referenced by faked_msg_next(), receive_msg(), t_forward_nonack(), and t_load_contacts().

char* get_branch	(	unsigned int	idx,
		int *	len,
		qvalue_t *	q,
		str *	dst_uri,
		str *	path,
		unsigned int *	flags,
		struct socket_info **	force_socket
	)

Find the next brand from the destination set.

Get the next branch in the current transaction.

Returns:: Return the next branch from the dset array, 0 is returned if there are no more branches

Definition at line 208 of file dset.c.

References branches, branch::dst_uri_len, branch::flags, branch::force_send_socket, _str::len, branch::len, nr_branches, branch::path_len, branch::q, Q_UNSPECIFIED, _str::s, and branch::uri.

Referenced by check_routing(), is_uri_host_local(), print_dset(), t_forward_nonack(), and t_load_contacts().

static unsigned int* get_ptr_bflags ( unsigned int b_idx ) [inline, static]

Definition at line 91 of file dset.c.

References branches, branch::flags, nr_branches, and ruri_bflags.

Referenced by isbflagset(), resetbflag(), and setbflag().

int get_request_uri	(	struct sip_msg *	_m,
		str *	_u
	)

Get actual Request-URI.

Definition at line 448 of file dset.c.

References sip_msg::first_line, _str::len, sip_msg::new_uri, msg_start::request, _str::s, and msg_start::u.

qvalue_t get_ruri_q ( void )

Return the q value of the Request-URI.

Get the q value of the Request-URI.

Definition at line 438 of file dset.c.

References ruri_q.

Referenced by t_load_contacts().

unsigned int getb0flags ( void )

Get the per branch flags for RURI.

Get/set the per branch flags for the RURI (branch 0).

Definition at line 108 of file dset.c.

References ruri_bflags.

Referenced by add_uac(), do_action(), pack_ci(), reply_received(), t_forward_nonack(), and t_load_contacts().

int isbflagset	(	unsigned int	b_idx,
		unsigned int	mask
	)

Tests the per branch flags.

Test the per branch flag.

Definition at line 137 of file dset.c.

References get_ptr_bflags().

Referenced by do_action().

char* print_dset	(	struct sip_msg *	msg,
		int *	len
	)

Create a Contact header field from the dset array.

Create a Contact header field from the list of current branches.

Definition at line 338 of file dset.c.

References CONTACT, CONTACT_DELIM, CONTACT_DELIM_LEN, CONTACT_LEN, CRLF, CRLF_LEN, get_branch(), _str::len, len_q(), LM_ERR, MAX_REDIRECTION_LEN, sip_msg::new_uri, branch::q, q2str(), Q_PARAM, Q_PARAM_LEN, Q_UNSPECIFIED, ruri_q, _str::s, and branch::uri.

Referenced by _reply(), and sl_send_reply_helper().

int resetbflag	(	unsigned int	b_idx,
		unsigned int	mask
	)

Resets the per branch flags.

Reset the per branch flag.

Definition at line 152 of file dset.c.

References get_ptr_bflags().

Referenced by do_action().

int rewrite_uri	(	struct sip_msg *	_m,
		str *	_s
	)

Rewrite Request-URI.

Definition at line 466 of file dset.c.

References buf, _str::len, LM_DBG, LM_ERR, sip_msg::new_uri, sip_msg::parsed_uri_ok, pkg_free, pkg_malloc, and _str::s.

Referenced by add_uri_param(), after_strict(), do_query(), enum_pv_query_3(), handle_sr(), lookup(), ospPrepareDestination(), t_next_contacts(), and tel2sip().

void set_ruri_q ( qvalue_t q )

Sets the q parameter of the Request-URI.

Set the q value of the Request-URI.

Definition at line 429 of file dset.c.

References ruri_q.

Referenced by do_query(), enum_pv_query_3(), and lookup().

unsigned int setb0flags ( unsigned int flags )

Definition at line 114 of file dset.c.

References ruri_bflags.

Referenced by do_action(), fake_req(), reply_received(), t_forward_nonack(), and t_next_contacts().

int setbflag	(	unsigned int	b_idx,
		unsigned int	mask
	)

Set the per branch flag.

Definition at line 121 of file dset.c.

References get_ptr_bflags().

Referenced by cpl_proxy_to_loc_set(), do_action(), and lookup().

Variable Documentation

struct branch branches[MAX_BRANCHES-1] [static]

Where we store URIs of additional transaction branches (-1 because of the default branch, #0).

Definition at line 73 of file dset.c.

Referenced by append_branch(), branch_uri2dset(), get_branch(), and get_ptr_bflags().

unsigned int nr_branches = 0

how many of them we have

Definition at line 80 of file dset.c.

Referenced by append_branch(), branch_uri2dset(), clear_branches(), get_branch(), get_ptr_bflags(), and t_load_contacts().

unsigned int ruri_bflags = 0 [static]

Branch flags of the Request-URI

Definition at line 87 of file dset.c.

Referenced by clear_branches(), get_ptr_bflags(), getb0flags(), and setb0flags().

qvalue_t ruri_q = Q_UNSPECIFIED [static]

The q parameter of the Request-URI

Definition at line 83 of file dset.c.

Referenced by clear_branches(), get_ruri_q(), print_dset(), and set_ruri_q().


Data Structures
struct	branch
Defines
#define	CONTACT "Contact: "
#define	CONTACT_DELIM ", "
#define	CONTACT_DELIM_LEN (sizeof(CONTACT_DELIM) - 1)
#define	CONTACT_LEN (sizeof(CONTACT) - 1)
#define	Q_PARAM ">;q="
#define	Q_PARAM_LEN (sizeof(Q_PARAM) - 1)
Functions
int	append_branch (struct sip_msg msg, str uri, str dst_uri, str path, qvalue_t q, unsigned int flags, struct socket_info *force_socket)
	Add a new branch to current transaction.
int	branch_uri2dset (str *new_uri)
	moves the uri to destination for all branches and all uris are set to given uri
void	clear_branches (void)
	Empty the dset array.
char *	get_branch (unsigned int idx, int len, qvalue_t q, str dst_uri, str path, unsigned int flags, struct socket_info *force_socket)
	Find the next brand from the destination set.
static unsigned int *	get_ptr_bflags (unsigned int b_idx)
int	get_request_uri (struct sip_msg _m, str _u)
	Get actual Request-URI.
qvalue_t	get_ruri_q (void)
	Return the q value of the Request-URI.
unsigned int	getb0flags (void)
	Get the per branch flags for RURI.
int	isbflagset (unsigned int b_idx, unsigned int mask)
	Tests the per branch flags.
char *	print_dset (struct sip_msg msg, int len)
	Create a Contact header field from the dset array.
int	resetbflag (unsigned int b_idx, unsigned int mask)
	Resets the per branch flags.
int	rewrite_uri (struct sip_msg _m, str _s)
	Rewrite Request-URI.
void	set_ruri_q (qvalue_t q)
	Sets the q parameter of the Request-URI.
unsigned int	setb0flags (unsigned int flags)
int	setbflag (unsigned int b_idx, unsigned int mask)
	Set the per branch flag.
Variables
static struct branch	branches [MAX_BRANCHES-1]
	Where we store URIs of additional transaction branches (-1 because of the default branch, #0).
unsigned int	nr_branches = 0
static unsigned int	ruri_bflags = 0
static qvalue_t	ruri_q = Q_UNSPECIFIED