1*86d7f5d3SJohn Marino /*- 2*86d7f5d3SJohn Marino * Copyright (c) 2005 Michael Bushkov <bushman@rsu.ru> 3*86d7f5d3SJohn Marino * All rights reserved. 4*86d7f5d3SJohn Marino * 5*86d7f5d3SJohn Marino * Redistribution and use in source and binary forms, with or without 6*86d7f5d3SJohn Marino * modification, are permitted provided that the following conditions 7*86d7f5d3SJohn Marino * are met: 8*86d7f5d3SJohn Marino * 1. Redistributions of source code must retain the above copyright 9*86d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer. 10*86d7f5d3SJohn Marino * 2. Redistributions in binary form must reproduce the above copyright 11*86d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer in the 12*86d7f5d3SJohn Marino * documentation and/or other materials provided with the distribution. 13*86d7f5d3SJohn Marino * 14*86d7f5d3SJohn Marino * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15*86d7f5d3SJohn Marino * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16*86d7f5d3SJohn Marino * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17*86d7f5d3SJohn Marino * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18*86d7f5d3SJohn Marino * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19*86d7f5d3SJohn Marino * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20*86d7f5d3SJohn Marino * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21*86d7f5d3SJohn Marino * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22*86d7f5d3SJohn Marino * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23*86d7f5d3SJohn Marino * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24*86d7f5d3SJohn Marino * SUCH DAMAGE. 25*86d7f5d3SJohn Marino * 26*86d7f5d3SJohn Marino * $FreeBSD: src/usr.sbin/nscd/agent.h,v 1.3 2007/09/27 12:30:11 bushman Exp $ 27*86d7f5d3SJohn Marino */ 28*86d7f5d3SJohn Marino 29*86d7f5d3SJohn Marino #ifndef __NSCD_AGENT_H__ 30*86d7f5d3SJohn Marino #define __NSCD_AGENT_H__ 31*86d7f5d3SJohn Marino 32*86d7f5d3SJohn Marino /* 33*86d7f5d3SJohn Marino * Agents are used to perform the actual lookups from the caching daemon. 34*86d7f5d3SJohn Marino * There are two types of daemons: for common requests and for multipart 35*86d7f5d3SJohn Marino * requests. 36*86d7f5d3SJohn Marino * All agents are stored in the agents table, which is the singleton. 37*86d7f5d3SJohn Marino */ 38*86d7f5d3SJohn Marino 39*86d7f5d3SJohn Marino enum agent_type { 40*86d7f5d3SJohn Marino COMMON_AGENT = 0, 41*86d7f5d3SJohn Marino MULTIPART_AGENT = 1 42*86d7f5d3SJohn Marino }; 43*86d7f5d3SJohn Marino 44*86d7f5d3SJohn Marino struct agent { 45*86d7f5d3SJohn Marino char *name; 46*86d7f5d3SJohn Marino enum agent_type type; 47*86d7f5d3SJohn Marino }; 48*86d7f5d3SJohn Marino 49*86d7f5d3SJohn Marino struct common_agent { 50*86d7f5d3SJohn Marino struct agent parent; 51*86d7f5d3SJohn Marino int (*lookup_func)(const char *, size_t, char **, size_t *); 52*86d7f5d3SJohn Marino }; 53*86d7f5d3SJohn Marino 54*86d7f5d3SJohn Marino struct multipart_agent { 55*86d7f5d3SJohn Marino struct agent parent; 56*86d7f5d3SJohn Marino void *(*mp_init_func)(void); 57*86d7f5d3SJohn Marino int (*mp_lookup_func)(char **, size_t *, void *); 58*86d7f5d3SJohn Marino void (*mp_destroy_func)(void *); 59*86d7f5d3SJohn Marino }; 60*86d7f5d3SJohn Marino 61*86d7f5d3SJohn Marino struct agent_table { 62*86d7f5d3SJohn Marino struct agent **agents; 63*86d7f5d3SJohn Marino size_t agents_num; 64*86d7f5d3SJohn Marino }; 65*86d7f5d3SJohn Marino 66*86d7f5d3SJohn Marino extern struct agent_table *init_agent_table(void); 67*86d7f5d3SJohn Marino extern void register_agent(struct agent_table *, struct agent *); 68*86d7f5d3SJohn Marino extern struct agent *find_agent(struct agent_table *, const char *, 69*86d7f5d3SJohn Marino enum agent_type); 70*86d7f5d3SJohn Marino extern void destroy_agent_table(struct agent_table *); 71*86d7f5d3SJohn Marino 72*86d7f5d3SJohn Marino #endif 73