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 #include <strings.h> 28 #include <rpc/rpc.h> 29 30 #include "rpcsvc/nfs4_prot.h" 31 32 int nfs4_skip_bytes; 33 34 /* 35 * The waiting() function returns the value passed in, until something 36 * external modifies it. In this case, the D script tst.call.d will 37 * modify the value of *a, and thus break the while loop in dotest(). 38 * 39 * This serves the purpose of not making the RPC calls until tst.call.d 40 * is active. Thus, the probes in tst.call.d can fire as a result of 41 * the RPC call in dotest(). 42 */ 43 44 int 45 waiting(volatile int *a) 46 { 47 return (*a); 48 } 49 50 int 51 dotest(void) 52 { 53 CLIENT *client; 54 AUTH *auth; 55 COMPOUND4args args; 56 COMPOUND4res res; 57 enum clnt_stat status; 58 struct timeval timeout; 59 nfs_argop4 arg[1]; 60 char *tag = "dtrace test"; 61 volatile int a = 0; 62 63 while (waiting(&a) == 0) 64 continue; 65 66 timeout.tv_sec = 30; 67 timeout.tv_usec = 0; 68 69 client = clnt_create("localhost", NFS4_PROGRAM, NFS_V4, "tcp"); 70 if (client == NULL) { 71 clnt_pcreateerror("test"); 72 return (1); 73 } 74 auth = authsys_create_default(); 75 client->cl_auth = auth; 76 args.minorversion = 0; 77 args.tag.utf8string_len = strlen(tag); 78 args.tag.utf8string_val = tag; 79 args.argarray.argarray_len = sizeof (arg) / sizeof (nfs_argop4); 80 args.argarray.argarray_val = arg; 81 82 arg[0].argop = OP_PUTROOTFH; 83 /* no need to manipulate nfs_argop4_u */ 84 85 bzero(&res, sizeof (res)); 86 87 status = clnt_call(client, NFSPROC4_COMPOUND, 88 xdr_COMPOUND4args, (caddr_t)&args, 89 xdr_COMPOUND4res, (caddr_t)&res, 90 timeout); 91 if (status != RPC_SUCCESS) { 92 clnt_perror(client, "test"); 93 return (2); 94 } 95 96 return (0); 97 } 98 99 /*ARGSUSED*/ 100 int 101 main(int argc, char **argv) 102 { 103 char shareline[BUFSIZ], unshareline[BUFSIZ]; 104 int rc; 105 106 (void) snprintf(shareline, sizeof (shareline), 107 "mkdir /tmp/nfsv4test.%d ; share /tmp/nfsv4test.%d", getpid(), 108 getpid()); 109 (void) snprintf(unshareline, sizeof (unshareline), 110 "unshare /tmp/nfsv4test.%d ; rmdir /tmp/nfsv4test.%d", getpid(), 111 getpid()); 112 113 (void) system(shareline); 114 rc = dotest(); 115 (void) system(unshareline); 116 117 return (rc); 118 } 119