timer.c File Reference

Timer handling. More...

#include <unistd.h>
#include <sys/select.h>
#include <sys/time.h>
#include <sys/types.h>
#include "timer.h"
#include "dprint.h"
#include "error.h"
#include "pt.h"
#include "config.h"
#include "sr_module.h"
#include "mem/mem.h"
#include "mem/shm_mem.h"
#include <stdlib.h>

Include dependency graph for timer.c:

Go to the source code of this file.

Data Structures

struct sr_timer_process

Functions

int count_timer_procs (void)

Counts the timer processes that needs to be created.

void destroy_timer (void)

Free timers.

unsigned int get_ticks (void)

Return the actual tick count.

utime_t get_uticks (void)

Return the actual utick count.

int init_timer (void)

Initialize the timers, allocate jiffies and ujiffies in shared memory.

static struct sr_timer * new_sr_timer (timer_function f, void *param, unsigned int interval)

Create a new timer, allocated in private memory.

static struct sr_timer_process * new_timer_process_list (unsigned int flags)

Create a new timer process list in private memory.

int register_timer (timer_function f, void *param, unsigned int interval)

register a periodic timer;

int register_timer_process (timer_function f, void *param, unsigned int interval, unsigned int flags)

register a timer process

int register_utimer (utimer_function f, void *param, unsigned int interval)

register a periodic utimer;

static void run_timer_process (struct sr_timer_process *tpl, int do_jiffies)

Run a timer process.

int start_timer_processes (void)

Start timer processes.

static void timer_ticker (struct sr_timer *timer_list)

Process all timer on the list.

static void utimer_ticker (struct sr_timer *utimer_list)

Process all utimer on the list.

Variables

static unsigned int * jiffies = 0

static unsigned int timer_id = 0

static struct sr_timer_process * timer_proc_list = 0

static utime_t * ujiffies = 0

Detailed Description

Timer handling.

Definition in file timer.c.

Function Documentation

int count_timer_procs ( void )

Counts the timer processes that needs to be created.

Returns:: number of necessary timer processes

Definition at line 415 of file timer.c.

References sr_timer_process::next, NULL, sr_timer_process::timer_list, and sr_timer_process::utimer_list.

Referenced by init_multi_proc_support().

void destroy_timer ( void )

Free timers.

Definition at line 135 of file timer.c.

References jiffies, shm_free, and ujiffies.

Referenced by cleanup().

unsigned int get_ticks ( void )

Return the actual tick count.

Definition at line 235 of file timer.c.

References jiffies, and LM_CRIT.

Referenced by add_list_to_head(), build_sipping(), clean_routine(), dialog_update_db(), get_time_ser(), insert(), insert_dlg_timer(), load_dialog_info_from_db(), pike_check_req(), remove_timeout(), reserve_nonce_index(), rtpp_test(), schedule_to_kill(), select_rtpp_node(), send_rtpp_command(), set_1timer(), set_gettime_function(), set_timer(), sl_filter_ACK(), sl_send_reply_helper(), sl_startup(), tls_tcpconn_init(), update_dialog_dbinfo(), update_dlg_timer(), xj_jcon_pool_add_jmsg(), xj_jcon_set_attrs(), xj_jcon_update(), xj_worker_check_qmsg(), and xj_worker_process().

utime_t get_uticks ( void )

Return the actual utick count.

Definition at line 248 of file timer.c.

References LM_CRIT, and ujiffies.

Referenced by set_1timer(), and set_timer().

int init_timer ( void )

Initialize the timers, allocate jiffies and ujiffies in shared memory.

Returns:: 0 on success, negative result on error

Definition at line 99 of file timer.c.

References E_CFG, E_OUT_OF_MEM, jiffies, LM_CRIT, LM_ERR, new_timer_process_list(), NULL, shm_malloc(), TIMER_PROC_INIT_FLAG, TIMER_TICK, ujiffies, and UTIMER_TICK.

Referenced by main().

static struct sr_timer* new_sr_timer	(	timer_function	f,
		void *	param,
		unsigned int	interval
	)			`[static, read]`

Create a new timer, allocated in private memory.

Returns:: NULL on error, a pointer to the new timer on success

Definition at line 148 of file timer.c.

References sr_timer::expires, sr_timer::id, sr_timer::interval, jiffies, LM_ERR, NULL, pkg_malloc, sr_timer::t_param, sr_timer::timer_f, timer_id, and sr_timer::u.

Referenced by register_timer(), register_timer_process(), and register_utimer().

static struct sr_timer_process* new_timer_process_list ( unsigned int flags ) [static, read]

Create a new timer process list in private memory.

Definition at line 71 of file timer.c.

References sr_timer_process::flags, LM_ERR, sr_timer_process::next, NULL, and pkg_malloc.

Referenced by init_timer(), and register_timer_process().

int register_timer	(	timer_function	f,
		void *	param,
		unsigned int	interval
	)

register a periodic timer;

Note:: If you need it in a module, register it from mod_init or it won't work otherwise

Returns:: negative result on error, the timer id on success

Definition at line 173 of file timer.c.

References E_OUT_OF_MEM, sr_timer::id, new_sr_timer(), sr_timer::next, NULL, and sr_timer_process::timer_list.

Referenced by init_black_lists(), init_dlg_db(), initialize_kill(), mod_init(), and pike_init().

int register_timer_process	(	timer_function	f,
		void *	param,
		unsigned int	interval,
		unsigned int	flags
	)

register a timer process

Returns:: negative result on error, the timer id on success

Definition at line 211 of file timer.c.

References E_OUT_OF_MEM, sr_timer::id, new_sr_timer(), new_timer_process_list(), sr_timer::next, NULL, and sr_timer_process::timer_list.

Referenced by mod_init().

int register_utimer	(	utimer_function	f,
		void *	param,
		unsigned int	interval
	)

register a periodic utimer;

Note:: If you need it in a module, register it from mod_init or it won't work otherwise

Returns:: negative result on error, the timer id on success

Definition at line 193 of file timer.c.

References E_OUT_OF_MEM, sr_timer::id, new_sr_timer(), sr_timer::next, NULL, and sr_timer_process::utimer_list.

Referenced by mod_init().

static void run_timer_process	(	struct sr_timer_process *	tpl,
		int	do_jiffies
	)			`[static]`

Run a timer process.

Definition at line 311 of file timer.c.

References jiffies, LM_DBG, NULL, sr_timer_process::timer_list, TIMER_TICK, timer_ticker(), ujiffies, sr_timer_process::utimer_list, UTIMER_TICK, and utimer_ticker().

Referenced by start_timer_processes().

int start_timer_processes ( void )

Start timer processes.

Returns:: -1 on error, 0 on success

Definition at line 380 of file timer.c.

References sr_timer_process::flags, init_child(), internal_fork(), LM_CRIT, LM_ERR, sr_timer_process::next, NULL, pid, PROC_TIMER, run_timer_process(), sr_timer_process::timer_list, TIMER_PROC_INIT_FLAG, and sr_timer_process::utimer_list.

Referenced by main_loop().

static void timer_ticker ( struct sr_timer * timer_list ) [inline, static]

Process all timer on the list.

Definition at line 261 of file timer.c.

References sr_timer::expires, sr_timer::interval, jiffies, sr_timer::next, sr_timer::t_param, sr_timer::timer_f, TIMER_TICK, and sr_timer::u.

Referenced by run_timer_process().

static void utimer_ticker ( struct sr_timer * utimer_list ) [inline, static]

Process all utimer on the list.

Definition at line 291 of file timer.c.

References sr_timer::expires, sr_timer::interval, sr_timer::next, sr_timer::t_param, sr_timer::u, ujiffies, sr_timer::utimer_f, and UTIMER_TICK.

Referenced by run_timer_process().

Variable Documentation

unsigned int* jiffies = 0 [static]

Definition at line 63 of file timer.c.

Referenced by destroy_timer(), get_ticks(), init_timer(), new_sr_timer(), run_timer_process(), and timer_ticker().

unsigned int timer_id = 0 [static]

Definition at line 65 of file timer.c.

Referenced by new_sr_timer().

struct sr_timer_process* timer_proc_list = 0 [static]

List of all timer processes

Definition at line 61 of file timer.c.

utime_t* ujiffies = 0 [static]

Definition at line 64 of file timer.c.

Referenced by destroy_timer(), get_uticks(), init_timer(), run_timer_process(), and utimer_ticker().


Data Structures
struct	sr_timer_process
Functions
int	count_timer_procs (void)
	Counts the timer processes that needs to be created.
void	destroy_timer (void)
	Free timers.
unsigned int	get_ticks (void)
	Return the actual tick count.
utime_t	get_uticks (void)
	Return the actual utick count.
int	init_timer (void)
	Initialize the timers, allocate jiffies and ujiffies in shared memory.
static struct sr_timer *	new_sr_timer (timer_function f, void *param, unsigned int interval)
	Create a new timer, allocated in private memory.
static struct sr_timer_process *	new_timer_process_list (unsigned int flags)
	Create a new timer process list in private memory.
int	register_timer (timer_function f, void *param, unsigned int interval)
	register a periodic timer;
int	register_timer_process (timer_function f, void *param, unsigned int interval, unsigned int flags)
	register a timer process
int	register_utimer (utimer_function f, void *param, unsigned int interval)
	register a periodic utimer;
static void	run_timer_process (struct sr_timer_process *tpl, int do_jiffies)
	Run a timer process.
int	start_timer_processes (void)
	Start timer processes.
static void	timer_ticker (struct sr_timer *timer_list)
	Process all timer on the list.
static void	utimer_ticker (struct sr_timer *utimer_list)
	Process all utimer on the list.
Variables
static unsigned int *	jiffies = 0
static unsigned int	timer_id = 0
static struct sr_timer_process *	timer_proc_list = 0
static utime_t *	ujiffies = 0