1 /* $Id: rsisamd.c,v 1.8 2004-08-03 14:54:41 heikki 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_read (RSFD rfd, void *buf, int *term_index);
38 static int r_write (RSFD rfd, const void *buf);
40 static const struct rset_control control =
54 const struct rset_control *rset_kind_isamd = &control;
58 struct rset_pp_info *next;
59 struct rset_isamd_info *info;
62 struct rset_isamd_info {
65 char dictentry[ISAMD_MAX_DICT_LEN];
67 struct rset_pp_info *ispt_list;
70 static void *r_create(RSET ct, const struct rset_control *sel, void *parms)
72 rset_isamd_parms *pt = (rset_isamd_parms *) parms;
73 struct rset_isamd_info *info;
75 ct->flags |= RSET_FLAG_VOLATILE;
76 info = (struct rset_isamd_info *) xmalloc (sizeof(*info));
78 /*info->pos = pt->pos;*/
79 info->dictlen = pt->dictlen;
80 memcpy(info->dictentry, pt->dictentry, pt->dictlen);
81 info->ispt_list = NULL;
82 ct->no_rset_terms = 1;
83 ct->rset_terms = (RSET_TERM *) xmalloc (sizeof(*ct->rset_terms));
84 ct->rset_terms[0] = pt->rset_term;
88 RSFD r_open (RSET ct, int flag)
90 struct rset_isamd_info *info = (struct rset_isamd_info *) ct->buf;
91 struct rset_pp_info *ptinfo;
93 logf (LOG_DEBUG, "risamd_open");
94 if (flag & RSETF_WRITE)
96 logf (LOG_FATAL, "ISAMD set type is read-only");
99 ptinfo = (struct rset_pp_info *) xmalloc (sizeof(*ptinfo));
100 ptinfo->next = info->ispt_list;
101 info->ispt_list = ptinfo;
102 ptinfo->pt = isamd_pp_open (info->is, info->dictentry, info->dictlen);
104 if (ct->rset_terms[0]->nn < 0)
105 ct->rset_terms[0]->nn = isamd_pp_num (ptinfo->pt);
109 static void r_close (RSFD rfd)
111 struct rset_isamd_info *info = ((struct rset_pp_info*) rfd)->info;
112 struct rset_pp_info **ptinfop;
114 for (ptinfop = &info->ispt_list; *ptinfop; ptinfop = &(*ptinfop)->next)
117 isamd_pp_close ((*ptinfop)->pt);
118 *ptinfop = (*ptinfop)->next;
122 logf (LOG_FATAL, "r_close but no rfd match!");
126 static void r_delete (RSET ct)
128 struct rset_isamd_info *info = (struct rset_isamd_info *) ct->buf;
130 logf (LOG_DEBUG, "rsisamd_delete");
131 assert (info->ispt_list == NULL);
132 rset_term_destroy (ct->rset_terms[0]);
133 xfree (ct->rset_terms);
137 static void r_rewind (RSFD rfd)
139 logf (LOG_DEBUG, "rsisamd_rewind");
144 static int r_read (RSFD rfd, void *buf, int *term_index)
147 return isamd_pp_read( ((struct rset_pp_info*) rfd)->pt, buf);
150 static int r_write (RSFD rfd, const void *buf)
152 logf (LOG_FATAL, "ISAMD set type is read-only");