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am_glue.c revision 1.1 
      1 /*	$NetBSD: am_glue.c,v 1.1 2009/01/16 17:31:22 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 #ifndef lint
     31 __RCSID("$NetBSD: am_glue.c,v 1.1 2009/01/16 17:31:22 christos Exp $");
     32 #endif /* not lint */
     33 
     34 #ifdef HAVE_CONFIG_H
     35 # include <config.h>
     36 #endif /* HAVE_CONFIG_H */
     37 #include <am_defs.h>
     38 #include <amu.h>
     39 
     40 #include "am_glue.h"
     41 
     42 static CLIENT *clnt;
     43 
     44 /*
     45  * Appease lint: Properly typecast some numbers defined in
     46  * src/extern/bsd/am-utils/dist/include/amq_defs.h.
     47  */
     48 #define	xAMQ_PROGRAM		(rpcprog_t)AMQ_PROGRAM
     49 #define xAMQ_VERSION		(rpcvers_t)AMQ_VERSION
     50 #define xAMQPROC_SYNC_UMNT	(rpcproc_t)AMQPROC_SYNC_UMNT
     51 
     52 void
     53 am_init(void)
     54 {
     55 	static struct timeval tv = { 5, 0 };
     56 	static const char *server = "localhost";
     57 
     58 	/*
     59 	 * Create RPC endpoint
     60 	 */
     61 	/* try tcp first */
     62 	clnt = clnt_create(server, xAMQ_PROGRAM, xAMQ_VERSION, "tcp");
     63 	if (clnt != NULL)
     64 		return;
     65 
     66 	/* try udp next */
     67 	clnt = clnt_create(server, xAMQ_PROGRAM, xAMQ_VERSION, "udp");
     68 	if (clnt != NULL)	/* set udp timeout */
     69 		(void)clnt_control(clnt, CLSET_RETRY_TIMEOUT, (void *)&tv);
     70 }
     71 
     72 int
     73 am_unmount(const char *dirname)
     74 {
     75 	static struct timeval timeout = { ALLOWED_MOUNT_TIME, 0 };
     76 	amq_sync_umnt result;
     77 
     78 	if (clnt == NULL)
     79 		return AMQ_UMNT_FAILED;
     80 
     81 	if (clnt_call(clnt, xAMQPROC_SYNC_UMNT, xdr_amq_string, &dirname,
     82 	    xdr_amq_sync_umnt, (void *)&result, timeout) != RPC_SUCCESS)
     83 		return AMQ_UMNT_SERVER;
     84 
     85 	return result.au_etype;
     86 }
     87