1 /* $Id: rsisamc.c,v 1.20 2004-08-24 08:52:30 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);
38 static int r_write (RSFD rfd, const void *buf);
40 static const struct rset_control control =
54 const struct rset_control *rset_kind_isamc = &control;
58 struct rset_pp_info *next;
59 struct rset_isamc_info *info;
63 struct rset_isamc_info {
67 int (*cmp)(const void *p1, const void *p2);
68 struct rset_pp_info *ispt_list;
71 static void *r_create(RSET ct, const struct rset_control *sel, void *parms)
73 rset_isamc_parms *pt = (rset_isamc_parms *) parms;
74 struct rset_isamc_info *info;
76 info = (struct rset_isamc_info *) xmalloc (sizeof(*info));
79 info->key_size = pt->key_size;
81 info->ispt_list = NULL;
85 RSFD r_open (RSET ct, int flag)
87 struct rset_isamc_info *info = (struct rset_isamc_info *) ct->buf;
88 struct rset_pp_info *ptinfo;
90 logf (LOG_DEBUG, "risamc_open");
91 if (flag & RSETF_WRITE)
93 logf (LOG_FATAL, "ISAMC set type is read-only");
96 ptinfo = (struct rset_pp_info *) xmalloc (sizeof(*ptinfo));
97 ptinfo->next = info->ispt_list;
98 info->ispt_list = ptinfo;
99 ptinfo->pt = isc_pp_open (info->is, info->pos);
101 ptinfo->buf = xmalloc (info->key_size);
105 static void r_close (RSFD rfd)
107 struct rset_isamc_info *info = ((struct rset_pp_info*) rfd)->info;
108 struct rset_pp_info **ptinfop;
110 for (ptinfop = &info->ispt_list; *ptinfop; ptinfop = &(*ptinfop)->next)
113 xfree ((*ptinfop)->buf);
114 isc_pp_close ((*ptinfop)->pt);
115 *ptinfop = (*ptinfop)->next;
119 logf (LOG_FATAL, "r_close but no rfd match!");
123 static void r_delete (RSET ct)
125 struct rset_isamc_info *info = (struct rset_isamc_info *) ct->buf;
127 logf (LOG_DEBUG, "rsisamc_delete");
128 assert (info->ispt_list == NULL);
132 static void r_rewind (RSFD rfd)
134 logf (LOG_DEBUG, "rsisamc_rewind");
138 static int r_read (RSFD rfd, void *buf)
140 struct rset_pp_info *pinfo = (struct rset_pp_info *) rfd;
142 r = isc_pp_read(pinfo->pt, buf);
146 static int r_write (RSFD rfd, const void *buf)
148 logf (LOG_FATAL, "ISAMC set type is read-only");