pool.c File Reference

Pooled connections. More...

#include <assert.h>
#include <ipxe/pool.h>

Go to the source code of this file.

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
void	pool_recycle (struct interface *intf)
	Recycle this connection after closing. More...
void	pool_reopen (struct interface *intf)
	Reopen a defunct connection. More...
void	pool_add (struct pooled_connection *pool, struct list_head *list, unsigned long expiry)
	Add connection to pool. More...
void	pool_del (struct pooled_connection *pool)
	Remove connection from pool. More...
void	pool_expired (struct retry_timer *timer, int over __unused)
	Close expired pooled connection. More...

Detailed Description

Pooled connections.

Definition in file pool.c.

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

pool_recycle()

void pool_recycle

(

struct interface *

intf

)

Recycle this connection after closing.

Parameters

intf	Data transfer interface

Definition at line 41 of file pool.c.

                                             {

        intf_poke ( intf, pool_recycle );
}

References intf_poke(), and pool_recycle().

Referenced by http_transfer_complete(), and pool_recycle().

pool_reopen()

void pool_reopen

(

struct interface *

intf

)

Reopen a defunct connection.

Parameters

intf	Data transfer interface

Definition at line 51 of file pool.c.

                                            {

        intf_poke ( intf, pool_reopen );
}

References intf_poke(), and pool_reopen().

Referenced by http_conn_socket_close(), and pool_reopen().

pool_add()

void pool_add	(	struct pooled_connection *	pool,
		struct list_head *	list,
		unsigned long	expiry
	)

Add connection to pool.

Parameters

pool	Pooled connection
list	List of pooled connections
expiry	Expiry time

Definition at line 63 of file pool.c.

                                       {

        /* Sanity check */
        assert ( list_empty ( &pool->list ) );
        assert ( ! timer_running ( &pool->timer ) );

        /* Add to list of pooled connections */
        list_add_tail ( &pool->list, list );

        /* Start expiry timer */
        start_timer_fixed ( &pool->timer, expiry );
}

References assert(), list_add_tail, list_empty, pool, and start_timer_fixed().

Referenced by http_conn_xfer_close().

pool_del()

void pool_del

(

struct pooled_connection *

pool

)

Remove connection from pool.

Parameters

pool	Pooled connection

Definition at line 82 of file pool.c.

                                                 {

        /* Remove from list of pooled connections */
        list_del ( &pool->list );
        INIT_LIST_HEAD ( &pool->list );

        /* Stop expiry timer */
        stop_timer ( &pool->timer );

        /* Mark as a freshly recycled connection */
        pool->flags = POOL_RECYCLED;
}

References INIT_LIST_HEAD, list_del, pool, POOL_RECYCLED, and stop_timer().

Referenced by http_conn_close(), and http_connect().

pool_expired()

void pool_expired	(	struct retry_timer *	timer,
		int over	__unused
	)

Close expired pooled connection.

Parameters

timer	Expiry timer
over	Failure indicator

Definition at line 101 of file pool.c.

                                                                   {
        struct pooled_connection *pool =
                container_of ( timer, struct pooled_connection, timer );

        /* Sanity check */
        assert ( ! list_empty ( &pool->list ) );

        /* Remove from connection pool */
        list_del ( &pool->list );
        INIT_LIST_HEAD ( &pool->list );

        /* Close expired connection */
        pool->expired ( pool );
}

References assert(), container_of, INIT_LIST_HEAD, list_del, list_empty, and pool.