72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/*
|
|
* include/proto/protocol.h
|
|
* This file declares generic protocol management primitives.
|
|
*
|
|
* Copyright (C) 2000-2012 Willy Tarreau - w@1wt.eu
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation, version 2.1
|
|
* exclusively.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef _PROTO_PROTOCOL_H
|
|
#define _PROTO_PROTOCOL_H
|
|
|
|
#include <sys/socket.h>
|
|
#include <types/protocol.h>
|
|
|
|
extern struct protocol *__protocol_by_family[AF_CUST_MAX];
|
|
|
|
/* Registers the protocol <proto> */
|
|
void protocol_register(struct protocol *proto);
|
|
|
|
/* Unregisters the protocol <proto>. Note that all listeners must have
|
|
* previously been unbound.
|
|
*/
|
|
void protocol_unregister(struct protocol *proto);
|
|
|
|
/* binds all listeners of all registered protocols. Returns a composition
|
|
* of ERR_NONE, ERR_RETRYABLE, ERR_FATAL.
|
|
*/
|
|
int protocol_bind_all(char *errmsg, int errlen);
|
|
|
|
/* unbinds all listeners of all registered protocols. They are also closed.
|
|
* This must be performed before calling exit() in order to get a chance to
|
|
* remove file-system based sockets and pipes.
|
|
* Returns a composition of ERR_NONE, ERR_RETRYABLE, ERR_FATAL.
|
|
*/
|
|
int protocol_unbind_all(void);
|
|
|
|
/* enables all listeners of all registered protocols. This is intended to be
|
|
* used after a fork() to enable reading on all file descriptors. Returns a
|
|
* composition of ERR_NONE, ERR_RETRYABLE, ERR_FATAL.
|
|
*/
|
|
int protocol_enable_all(void);
|
|
|
|
/* returns the protocol associated to family <family> or NULL if not found */
|
|
static inline struct protocol *protocol_by_family(int family)
|
|
{
|
|
if (family >= 0 && family < AF_CUST_MAX)
|
|
return __protocol_by_family[family];
|
|
return NULL;
|
|
}
|
|
|
|
#endif /* _PROTO_PROTOCOL_H */
|
|
|
|
/*
|
|
* Local variables:
|
|
* c-indent-level: 8
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|