1 /* $Id: rsisams.c,v 1.11 2004-08-31 10:43:39 heikki Exp $
2 Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
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
30 static RSFD r_open (RSET ct, int flag);
31 static void r_close (RSFD rfd);
32 static void r_delete (RSET ct);
33 static void r_rewind (RSFD rfd);
34 static int r_read (RSFD rfd, void *buf);
35 static int r_write (RSFD rfd, const void *buf);
36 static void r_pos (RSFD rfd, double *current, double *total);
38 static const struct rset_control control =
51 const struct rset_control *rset_kind_isams = &control;
57 struct rset_isams_info {
63 RSET rsisams_create( NMEM nmem, int key_size,
64 int (*cmp)(const void *p1, const void *p2),
65 ISAMS is, ISAMS_P pos)
67 RSET rnew=rset_create_base(&control, nmem);
68 struct rset_isams_info *info;
69 info = (struct rset_isams_info *) nmem_malloc(rnew->nmem,sizeof(*info));
70 assert(key_size); /* FIXME - these belong to the general rset */
78 static void r_delete (RSET ct)
80 logf (LOG_DEBUG, "rsisams_delete");
85 RSFD r_open (RSET ct, int flag)
87 struct rset_isams_info *info = (struct rset_isams_info *) ct->priv;
89 struct rset_pp_info *ptinfo;
91 logf (LOG_DEBUG, "risams_open");
92 if (flag & RSETF_WRITE)
94 logf (LOG_FATAL, "ISAMS set type is read-only");
97 rfd=rfd_create_base(ct);
99 ptinfo=(struct rset_pp_info *)(rfd->priv);
101 ptinfo = (struct rset_pp_info *) nmem_malloc(ct->nmem,sizeof(*ptinfo));
102 ptinfo->pt = isams_pp_open (info->is, info->pos);
108 static void r_close (RSFD rfd)
110 struct rset_pp_info *ptinfo=(struct rset_pp_info *)(rfd->priv);
112 isams_pp_close (ptinfo->pt);
113 rfd_delete_base(rfd);
116 static void r_rewind (RSFD rfd)
118 logf (LOG_DEBUG, "rsisams_rewind");
123 static int r_read (RSFD rfd, void *buf)
125 struct rset_pp_info *ptinfo=(struct rset_pp_info *)(rfd->priv);
126 return isams_pp_read(ptinfo->pt, buf);
129 static int r_write (RSFD rfd, const void *buf)
131 logf (LOG_FATAL, "ISAMS set type is read-only");
135 static void r_pos (RSFD rfd, double *current, double *total)
137 *current=-1; /* sorry, not implemented yet */