1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#include <strings.h>
30#include <rpc/rpc.h>
31
32#include "rpcsvc/nfs4_prot.h"
33
34int nfs4_skip_bytes;
35
36/*
37 * The waiting() function returns the value passed in, until something
38 * external modifies it.  In this case, the D script tst.call.d will
39 * modify the value of *a, and thus break the while loop in dotest().
40 *
41 * This serves the purpose of not making the RPC calls until tst.call.d
42 * is active.  Thus, the probes in tst.call.d can fire as a result of
43 * the RPC call in dotest().
44 */
45
46int
47waiting(volatile int *a)
48{
49	return (*a);
50}
51
52int
53dotest(void)
54{
55	CLIENT *client;
56	AUTH *auth;
57	COMPOUND4args args;
58	COMPOUND4res res;
59	enum clnt_stat status;
60	struct timeval timeout;
61	nfs_argop4 arg[1];
62	char *tag = "dtrace test";
63	volatile int a = 0;
64
65	while (waiting(&a) == 0)
66		continue;
67
68	timeout.tv_sec = 30;
69	timeout.tv_usec = 0;
70
71	client = clnt_create("localhost", NFS4_PROGRAM, NFS_V4, "tcp");
72	if (client == NULL) {
73		clnt_pcreateerror("test");
74		return (1);
75	}
76	auth = authsys_create_default();
77	client->cl_auth = auth;
78	args.minorversion = 0;
79	args.tag.utf8string_len = strlen(tag);
80	args.tag.utf8string_val = tag;
81	args.argarray.argarray_len = sizeof (arg) / sizeof (nfs_argop4);
82	args.argarray.argarray_val = arg;
83
84	arg[0].argop = OP_PUTROOTFH;
85	/* no need to manipulate nfs_argop4_u */
86
87	bzero(&res, sizeof (res));
88
89	status = clnt_call(client, NFSPROC4_COMPOUND,
90	    xdr_COMPOUND4args, (caddr_t)&args,
91	    xdr_COMPOUND4res, (caddr_t)&res,
92	    timeout);
93	if (status != RPC_SUCCESS) {
94		clnt_perror(client, "test");
95		return (2);
96	}
97
98	return (0);
99}
100
101/*ARGSUSED*/
102int
103main(int argc, char **argv)
104{
105	char shareline[BUFSIZ], unshareline[BUFSIZ];
106	int rc;
107
108	(void) snprintf(shareline, sizeof (shareline),
109	    "mkdir /tmp/nfsv4test.%d ; share /tmp/nfsv4test.%d", getpid(),
110	    getpid());
111	(void) snprintf(unshareline, sizeof (unshareline),
112	    "unshare /tmp/nfsv4test.%d ; rmdir /tmp/nfsv4test.%d", getpid(),
113	    getpid());
114
115	(void) system(shareline);
116	rc = dotest();
117	(void) system(unshareline);
118
119	return (rc);
120}
121