SIP Router: ucontact.c File Reference

USRLOC - Usrloc contact handling functions

Module: Usrloc :: User location module.

#include "ucontact.h"
#include <string.h>
#include "../../mem/shm_mem.h"
#include "../../ut.h"
#include "../../ip_addr.h"
#include "../../socket_info.h"
#include "../../dprint.h"
#include "../../lib/srdb1/db.h"
#include "p_usrloc_mod.h"
#include "../usrloc/ul_callback.h"
#include "urecord.h"
#include "ul_db_layer.h"
#include "dlist.h"

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Functions

int db_delete_ucontact (ucontact_t *_c)
Delete contact from the database.
int db_insert_ucontact (ucontact_t *_c)
Insert contact into the database.
int db_update_ucontact (ucontact_t *_c)
Update contact in the database.
void free_ucontact (ucontact_t *_c)
Free all memory associated with given contact structure.
int mem_update_ucontact (ucontact_t *_c, ucontact_info_t *_ci)
Update existing contact in memory with new values.
ucontact_t * new_ucontact (str *_dom, str *_aor, str *_contact, ucontact_info_t *_ci)
Create a new contact structure.
void print_ucontact (FILE *_f, ucontact_t *_c)
Print contact, for debugging purposes only.
int st_delete_ucontact (ucontact_t *_c)
Update state of the contact.
int st_expired_ucontact (ucontact_t *_c)
Called when the timer is about to delete an expired contact.
int st_flush_ucontact (ucontact_t *_c)
Called when the timer is about flushing the contact, updates contact state.
void st_update_ucontact (ucontact_t *_c)
Update state of the contact if we are using write-back scheme.
static void unlink_contact (struct urecord *_r, ucontact_t *_c)
Remove a contact from list belonging to a certain record.
static void update_contact_pos (struct urecord *_r, ucontact_t *_c)
Insert a new contact into the list at the correct position.
int update_ucontact (struct urecord *_r, ucontact_t *_c, ucontact_info_t *_ci)
Update ucontact with new values.

Detailed Description

Definition in file modules_k/p_usrloc/ucontact.c.

Function Documentation

int db_delete_ucontact ( ucontact_t * _c )

Parameters:

_c

deleted contact

Returns:: 0 on success, -1 on failure

Definition at line 680 of file modules_k/p_usrloc/ucontact.c.

Referenced by delete_ucontact(), wb_timer(), and wt_timer().

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int db_insert_ucontact ( ucontact_t * _c )

Parameters:

_c

inserted contact

Returns:: 0 on success, -1 on failure

Definition at line 388 of file modules_k/p_usrloc/ucontact.c.

Referenced by insert_ucontact(), update_ucontact(), and wb_timer().

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int db_update_ucontact ( ucontact_t * _c )

Parameters:

_c

updated contact

Returns:: 0 on success, -1 on failure

Definition at line 546 of file modules_k/p_usrloc/ucontact.c.

Referenced by update_ucontact(), and wb_timer().

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void free_ucontact ( ucontact_t * _c )

Parameters:

_c

freed contact

Definition at line 111 of file modules_k/p_usrloc/ucontact.c.

Referenced by free_urecord(), mem_delete_ucontact(), and preload_udomain().

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int mem_update_ucontact	(	ucontact_t *	_c,
		ucontact_info_t *	_ci
	)

Parameters:

	_c	contact
	_ci	contact informations

Returns:: 0 on success, -1 on failure

Definition at line 184 of file modules_k/p_usrloc/ucontact.c.

Referenced by update_ucontact().

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ucontact_t* new_ucontact	(	str *	_dom,
		str *	_aor,
		str *	_contact,
		ucontact_info_t *	_ci
	)

Parameters:

	_dom	domain
	_aor	address of record
	_contact	contact string
	_ci	contact informations

Returns:: new created contact on success, 0 on failure

Definition at line 59 of file modules_k/p_usrloc/ucontact.c.

Referenced by mem_insert_ucontact().

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void print_ucontact	(	FILE *	_f,
		ucontact_t *	_c
	)

Parameters:

	_f	output file
	_c	printed contact

Definition at line 128 of file modules_k/p_usrloc/ucontact.c.

Referenced by print_urecord().

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int st_delete_ucontact ( ucontact_t * _c )

Parameters:

_c

updated contact

Returns:: 1 if the contact should be deleted from memory immediately, 0 otherwise

Definition at line 281 of file modules_k/p_usrloc/ucontact.c.

Referenced by delete_ucontact().

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int st_expired_ucontact ( ucontact_t * _c )

Parameters:

_c

expired contact

Returns:: 1 if the contact should be removed from the database and 0 otherwise

Definition at line 322 of file modules_k/p_usrloc/ucontact.c.

Referenced by wb_timer().

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int st_flush_ucontact ( ucontact_t * _c )

Parameters:

_c

flushed contact

Returns:: 1 if the contact should be inserted, 2 if update and 0 otherwise

Definition at line 351 of file modules_k/p_usrloc/ucontact.c.

Referenced by wb_timer().

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void st_update_ucontact ( ucontact_t * _c )

Parameters:

_c

updated contact

Definition at line 245 of file modules_k/p_usrloc/ucontact.c.

Referenced by update_ucontact().

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static void unlink_contact	(	struct urecord *	_r,
		ucontact_t *	_c
	)			`[inline, static]`

Parameters:

	_r	record the contact belongs
	_c	removed contact

Definition at line 739 of file modules_k/p_usrloc/ucontact.c.

References urecord::contacts, ucontact::next, and ucontact::prev.

Referenced by update_contact_pos().

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static void update_contact_pos	(	struct urecord *	_r,
		ucontact_t *	_c
	)			`[inline, static]`

Parameters:

	_r	record that holds the sorted contacts
	_c	new contact

Definition at line 760 of file modules_k/p_usrloc/ucontact.c.

References urecord::contacts, desc_time_order, ucontact::next, ucontact::prev, ucontact::q, and unlink_contact().

Referenced by update_ucontact().

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int update_ucontact	(	struct urecord *	_r,
		ucontact_t *	_c,
		ucontact_info_t *	_ci
	)

Parameters:

	_r	record the contact belongs to
	_c	updated contact
	_ci	new contact informations

Returns:: 0 on success, -1 on failure

Definition at line 811 of file modules_k/p_usrloc/ucontact.c.

Referenced by mi_usrloc_add().

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