06a99fe36f
databases. - Make nsswitch support caching. Submitted by: Michael Bushkov <bushman__at__rsu.ru> Sponsored by: Google Summer of Code 2005
73 lines
2.4 KiB
C
73 lines
2.4 KiB
C
/*-
|
|
* Copyright (c) 2005 Michael Bushkov <bushman@rsu.ru>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef __CACHED_AGENT_H__
|
|
#define __CACHED_AGENT_H__
|
|
|
|
/*
|
|
* Agents are used to perform the actual lookups from the caching daemon.
|
|
* There are two types of daemons: for common requests and for multipart
|
|
* requests.
|
|
* All agents are stored in the agents table, which is the singleton.
|
|
*/
|
|
|
|
enum agent_type {
|
|
COMMON_AGENT = 0,
|
|
MULTIPART_AGENT = 1
|
|
};
|
|
|
|
struct agent {
|
|
char *name;
|
|
enum agent_type type;
|
|
};
|
|
|
|
struct common_agent {
|
|
struct agent parent;
|
|
int (*lookup_func)(const char *, size_t, char **, size_t *);
|
|
};
|
|
|
|
struct multipart_agent {
|
|
struct agent parent;
|
|
void *(*mp_init_func)();
|
|
int (*mp_lookup_func)(char **, size_t *, void *);
|
|
void (*mp_destroy_func)(void *);
|
|
};
|
|
|
|
struct agent_table {
|
|
struct agent **agents;
|
|
size_t agents_num;
|
|
};
|
|
|
|
extern struct agent_table *init_agent_table();
|
|
extern void register_agent(struct agent_table *, struct agent *);
|
|
extern struct agent *find_agent(struct agent_table *, const char *,
|
|
enum agent_type);
|
|
extern void destroy_agent_table(struct agent_table *);
|
|
|
|
#endif
|