utils.c revision 9581d9f4f3b1515f88149f920c7e786b4fb901d4
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Utility routines
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <libintl.h>
#include "idmap_impl.h"
#define _UDT_SIZE_INCR 1
#define _GET_IDS_SIZE_INCR 1
static struct timeval TIMEOUT = { 25, 0 };
idmap_retcode
_udt_extend_batch(idmap_udt_handle_t *udthandle, int opnum) {
idmap_update_op *tmplist;
size_t nsize;
if (udthandle->next >= udthandle->batch.idmap_update_batch_len) {
nsize = (udthandle->batch.idmap_update_batch_len +
_UDT_SIZE_INCR) * sizeof (*tmplist);
tmplist = realloc(
udthandle->batch.idmap_update_batch_val, nsize);
if (tmplist == NULL)
return (IDMAP_ERR_MEMORY);
(void) memset((uchar_t *)tmplist +
(udthandle->batch.idmap_update_batch_len *
sizeof (*tmplist)), 0,
_UDT_SIZE_INCR * sizeof (*tmplist));
udthandle->batch.idmap_update_batch_val = tmplist;
udthandle->batch.idmap_update_batch_len += _UDT_SIZE_INCR;
}
udthandle->batch.idmap_update_batch_val[udthandle->next].opnum =
opnum;
return (IDMAP_SUCCESS);
}
idmap_retcode
_get_ids_extend_batch(idmap_get_handle_t *gh) {
idmap_mapping *t1;
idmap_get_res_t *t2;
size_t nsize, len;
len = gh->batch.idmap_mapping_batch_len;
if (gh->next >= len) {
/* extend the request array */
nsize = (len + _GET_IDS_SIZE_INCR) * sizeof (*t1);
t1 = realloc(gh->batch.idmap_mapping_batch_val, nsize);
if (t1 == NULL)
return (IDMAP_ERR_MEMORY);
(void) memset((uchar_t *)t1 + (len * sizeof (*t1)), 0,
_GET_IDS_SIZE_INCR * sizeof (*t1));
gh->batch.idmap_mapping_batch_val = t1;
/* extend the return list */
nsize = (len + _GET_IDS_SIZE_INCR) * sizeof (*t2);
t2 = realloc(gh->retlist, nsize);
if (t2 == NULL)
return (IDMAP_ERR_MEMORY);
(void) memset((uchar_t *)t2 + (len * sizeof (*t2)), 0,
_GET_IDS_SIZE_INCR * sizeof (*t2));
gh->retlist = t2;
gh->batch.idmap_mapping_batch_len += _GET_IDS_SIZE_INCR;
}
return (IDMAP_SUCCESS);
}
idmap_stat
_iter_get_next_list(int type, idmap_iter_t *iter,
void *arg, uchar_t **list, size_t valsize,
xdrproc_t xdr_arg_proc, xdrproc_t xdr_res_proc) {
CLIENT *clnt;
enum clnt_stat clntstat;
iter->next = 0;
iter->retlist = NULL;
_IDMAP_GET_CLIENT_HANDLE(iter->ih, clnt);
/* init the result */
if (*list) {
xdr_free(xdr_res_proc, (caddr_t)*list);
} else {
if ((*list = malloc(valsize)) == NULL) {
errno = ENOMEM;
return (IDMAP_ERR_MEMORY);
}
}
(void) memset(*list, 0, valsize);
clntstat = clnt_call(clnt, type,
xdr_arg_proc, (caddr_t)arg,
xdr_res_proc, (caddr_t)*list,
TIMEOUT);
if (clntstat != RPC_SUCCESS) {
free(*list);
return (IDMAP_ERR_RPC);
}
iter->retlist = *list;
return (IDMAP_SUCCESS);
}