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/*
* 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 <haproxy/thread.h>
#include <types/protocol.h>
extern struct protocol *__protocol_by_family[AF_CUST_MAX];
__decl_thread(extern HA_SPINLOCK_T proto_lock);
/* 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:
*/