eventl.h File Reference

Definitions for event loop handling for GFS. More...

#include <time.h>

Go to the source code of this file.

Data Structures
struct	iochan

Macros
#define	EVENT_INPUT   0x01
#define	EVENT_OUTPUT   0x02
#define	EVENT_EXCEPT   0x04
#define	EVENT_TIMEOUT   0x08
#define	iochan_destroy(i)
#define	iochan_getfd(i)
#define	iochan_setfd(i, f)
#define	iochan_getdata(i)
#define	iochan_setdata(i, d)
#define	iochan_getflags(i)
#define	iochan_setflags(i, d)
#define	iochan_setflag(i, d)
#define	iochan_clearflag(i, d)
#define	iochan_getflag(i, d)
#define	iochan_getfun(i)
#define	iochan_setfun(i, d)
#define	iochan_setevent(i, e)
#define	iochan_getnext(i)
#define	iochan_settimeout(i, t)

Typedefs
typedef void(*	IOC_CALLBACK) (struct iochan *i, int event)
typedef struct iochan *	IOCHAN

Functions
IOCHAN	iochan_create (int fd, IOC_CALLBACK cb, int flags, int port)
int	iochan_is_alive (IOCHAN chan)
int	iochan_event_loop (IOCHAN *iochans, int *watch_sig)
void	statserv_remove (IOCHAN pIOChannel)

Detailed Description

Definitions for event loop handling for GFS.

This "private" header defines various functions for the main event loop in GFS.

Definition in file eventl.h.

Macro Definition Documentation

EVENT_EXCEPT

#define EVENT_EXCEPT   0x04

Definition at line 51 of file eventl.h.

Referenced by add_listener(), iochan_event_loop(), ir_session(), and listener().

EVENT_INPUT

#define EVENT_INPUT   0x01

Definition at line 49 of file eventl.h.

Referenced by add_listener(), inetd_connection(), iochan_event_loop(), iochan_is_alive(), ir_read(), ir_session(), listener(), and new_session().

EVENT_OUTPUT

#define EVENT_OUTPUT   0x02

Definition at line 50 of file eventl.h.

Referenced by iochan_event_loop(), ir_read(), ir_session(), new_session(), and process_gdu_response().

EVENT_TIMEOUT

#define EVENT_TIMEOUT   0x08

Definition at line 52 of file eventl.h.

Referenced by do_close_req(), iochan_event_loop(), ir_session(), and listener().

iochan_clearflag

#define iochan_clearflag	(		i,
			d )

Value:

((i)->flags &= ~(d))

Definition at line 72 of file eventl.h.

Referenced by ir_session().

iochan_destroy

#define iochan_destroy

(

i

)

Value:

(void)((i)->destroyed = 1)

Definition at line 64 of file eventl.h.

Referenced by ir_read(), ir_session(), listener(), remove_listeners(), and statserv_closedown().

iochan_getdata

#define iochan_getdata

(

i

)

Value:

((i)->data)

Definition at line 67 of file eventl.h.

Referenced by ir_read(), ir_session(), and listener().

iochan_getfd

#define iochan_getfd

(

i

)

Value:

((i)->fd)

Definition at line 65 of file eventl.h.

iochan_getflag

#define iochan_getflag	(		i,
			d )

Value:

((i)->flags & d ? 1 : 0)

Definition at line 73 of file eventl.h.

iochan_getflags

#define iochan_getflags

(

i

)

Value:

((i)->flags)

Definition at line 69 of file eventl.h.

iochan_getfun

#define iochan_getfun

(

i

)

Value:

((i)->fun)

Definition at line 74 of file eventl.h.

iochan_getnext

#define iochan_getnext

(

i

)

Value:

((i)->next)

Definition at line 77 of file eventl.h.

Referenced by listener().

iochan_setdata

#define iochan_setdata	(		i,
			d )

Value:

((i)->data = d)

Definition at line 68 of file eventl.h.

Referenced by add_listener(), inetd_connection(), and new_session().

iochan_setevent

#define iochan_setevent	(		i,
			e )

Value:

((i)->force_event = (e))

Definition at line 76 of file eventl.h.

Referenced by do_close_req(), and ir_session().

iochan_setfd

#define iochan_setfd	(		i,
			f )

Value:

((i)->fd = (f))

Definition at line 66 of file eventl.h.

iochan_setflag

#define iochan_setflag	(		i,
			d )

Value:

((i)->flags |= d)

Definition at line 71 of file eventl.h.

Referenced by ir_read(), ir_session(), and process_gdu_response().

iochan_setflags

#define iochan_setflags	(		i,
			d )

Value:

((i)->flags = d)

Definition at line 70 of file eventl.h.

Referenced by listener().

iochan_setfun

#define iochan_setfun	(		i,
			d )

Value:

((i)->fun = d)

Definition at line 75 of file eventl.h.

iochan_settimeout

#define iochan_settimeout	(		i,
			t )

Value:

((i)->max_idle = (t), (i)->last_event = time(0))

Definition at line 78 of file eventl.h.

Referenced by do_close_req(), inetd_connection(), new_session(), process_http_request(), and process_initRequest().

Typedef Documentation

IOC_CALLBACK

typedef void(* IOC_CALLBACK) (struct iochan *i, int event)

Definition at line 43 of file eventl.h.

IOCHAN

typedef struct iochan * IOCHAN

Function Documentation

iochan_create()

IOCHAN iochan_create	(	int	fd,
		IOC_CALLBACK	cb,
		int	flags,
		int	port )

Definition at line 42 of file eventl.c.

References iochan::chan_id, iochan::destroyed, iochan::fd, iochan::flags, iochan::force_event, iochan::fun, iochan::last_event, log_level, log_level_initialized, iochan::max_idle, iochan::next, xmalloc, and yaz_log_module_level().

Referenced by add_listener(), inetd_connection(), and new_session().

iochan_event_loop()

int iochan_event_loop	(	IOCHAN *	iochans,
		int *	watch_sig )

Definition at line 81 of file eventl.c.

References iochan::destroyed, EVENT_EXCEPT, EVENT_INPUT, EVENT_OUTPUT, EVENT_TIMEOUT, iochan::fd, yaz_poll_fd::fd, iochan::flags, iochan::force_event, iochan::fun, yaz_poll_fd::input_mask, iochan::last_event, log_level, iochan::max_idle, iochan::next, yaz_poll_fd::output_mask, statserv_remove(), xfree, xmalloc, yaz_errno(), yaz_log(), yaz_poll(), yaz_poll_add, yaz_poll_except, yaz_poll_none, yaz_poll_read, yaz_poll_write, YLOG_ERRNO, and YLOG_WARN.

Referenced by daemon_handler(), and new_session().

iochan_is_alive()

int iochan_is_alive

(

IOCHAN

chan

)

Definition at line 66 of file eventl.c.

References EVENT_INPUT, iochan::fd, yaz_poll_fd::fd, yaz_poll_fd::input_mask, ir_read(), yaz_poll(), and yaz_poll_read.

Referenced by bend_assoc_is_alive().

statserv_remove()

void statserv_remove

(

IOCHAN

pIOChannel

)

Definition at line 927 of file statserv.c.

Referenced by iochan_event_loop().