xref: /netbsd-src/usr.bin/eject/am_glue.c (revision b5677b36047b601b9addaaa494a58ceae82c2a6c)
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