1 /* $Id: rsisamd.c,v 1.6 2004-01-29 13:11:01 adam Exp $
2 Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004
5 This file is part of the Zebra server.
7 Zebra is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with Zebra; see the file LICENSE.zebra. If not, write to the
19 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
32 static void *r_create(RSET ct, const struct rset_control *sel, void *parms);
33 static RSFD r_open (RSET ct, int flag);
34 static void r_close (RSFD rfd);
35 static void r_delete (RSET ct);
36 static void r_rewind (RSFD rfd);
37 static int r_count (RSET ct);
38 static int r_read (RSFD rfd, void *buf, int *term_index);
39 static int r_write (RSFD rfd, const void *buf);
41 static const struct rset_control control =
55 const struct rset_control *rset_kind_isamd = &control;
59 struct rset_pp_info *next;
60 struct rset_isamd_info *info;
63 struct rset_isamd_info {
66 char dictentry[ISAMD_MAX_DICT_LEN];
68 struct rset_pp_info *ispt_list;
71 static void *r_create(RSET ct, const struct rset_control *sel, void *parms)
73 rset_isamd_parms *pt = (rset_isamd_parms *) parms;
74 struct rset_isamd_info *info;
76 ct->flags |= RSET_FLAG_VOLATILE;
77 info = (struct rset_isamd_info *) xmalloc (sizeof(*info));
79 /*info->pos = pt->pos;*/
80 info->dictlen = pt->dictlen;
81 memcpy(info->dictentry, pt->dictentry, pt->dictlen);
82 info->ispt_list = NULL;
83 ct->no_rset_terms = 1;
84 ct->rset_terms = (RSET_TERM *) xmalloc (sizeof(*ct->rset_terms));
85 ct->rset_terms[0] = pt->rset_term;
89 RSFD r_open (RSET ct, int flag)
91 struct rset_isamd_info *info = (struct rset_isamd_info *) ct->buf;
92 struct rset_pp_info *ptinfo;
94 logf (LOG_DEBUG, "risamd_open");
95 if (flag & RSETF_WRITE)
97 logf (LOG_FATAL, "ISAMD set type is read-only");
100 ptinfo = (struct rset_pp_info *) xmalloc (sizeof(*ptinfo));
101 ptinfo->next = info->ispt_list;
102 info->ispt_list = ptinfo;
103 ptinfo->pt = isamd_pp_open (info->is, info->dictentry, info->dictlen);
105 if (ct->rset_terms[0]->nn < 0)
106 ct->rset_terms[0]->nn = isamd_pp_num (ptinfo->pt);
110 static void r_close (RSFD rfd)
112 struct rset_isamd_info *info = ((struct rset_pp_info*) rfd)->info;
113 struct rset_pp_info **ptinfop;
115 for (ptinfop = &info->ispt_list; *ptinfop; ptinfop = &(*ptinfop)->next)
118 isamd_pp_close ((*ptinfop)->pt);
119 *ptinfop = (*ptinfop)->next;
123 logf (LOG_FATAL, "r_close but no rfd match!");
127 static void r_delete (RSET ct)
129 struct rset_isamd_info *info = (struct rset_isamd_info *) ct->buf;
131 logf (LOG_DEBUG, "rsisamd_delete");
132 assert (info->ispt_list == NULL);
133 rset_term_destroy (ct->rset_terms[0]);
134 xfree (ct->rset_terms);
138 static void r_rewind (RSFD rfd)
140 logf (LOG_DEBUG, "rsisamd_rewind");
144 static int r_count (RSET ct)
149 static int r_read (RSFD rfd, void *buf, int *term_index)
152 return isamd_pp_read( ((struct rset_pp_info*) rfd)->pt, buf);
155 static int r_write (RSFD rfd, const void *buf)
157 logf (LOG_FATAL, "ISAMD set type is read-only");