1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <stdio.h> 30*0Sstevel@tonic-gate #include <stdlib.h> 31*0Sstevel@tonic-gate #include <string.h> 32*0Sstevel@tonic-gate #include <stdarg.h> 33*0Sstevel@tonic-gate #include <libintl.h> 34*0Sstevel@tonic-gate #include <sys/types.h> 35*0Sstevel@tonic-gate #include <sys/ioctl.h> 36*0Sstevel@tonic-gate #include <kstat.h> 37*0Sstevel@tonic-gate #include <locale.h> 38*0Sstevel@tonic-gate #include <sys/fs/cachefs_log.h> 39*0Sstevel@tonic-gate #include "stats.h" 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate void usage(char *); 42*0Sstevel@tonic-gate void pr_err(char *, ...); 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate static int hflag = 0; 45*0Sstevel@tonic-gate static char *fpath = NULL; 46*0Sstevel@tonic-gate static int vflag = 0; 47*0Sstevel@tonic-gate char *prog; 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate static void log_show(char *, char *); 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate int 52*0Sstevel@tonic-gate main(int argc, char **argv) 53*0Sstevel@tonic-gate { 54*0Sstevel@tonic-gate int rc = 0, c; 55*0Sstevel@tonic-gate int errflg = 0; 56*0Sstevel@tonic-gate stats_cookie_t *fs = NULL; 57*0Sstevel@tonic-gate char *logfile; 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 60*0Sstevel@tonic-gate #if !defined(TEXT_DOMAIN) 61*0Sstevel@tonic-gate #define TEXT_DOMAIN "SYS_TEST" 62*0Sstevel@tonic-gate #endif /* TEXT_DOMAIN */ 63*0Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN); 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate if (prog = strrchr(argv[0], '/')) 66*0Sstevel@tonic-gate ++prog; 67*0Sstevel@tonic-gate else 68*0Sstevel@tonic-gate prog = argv[0]; 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate while ((c = getopt(argc, argv, "hf:v")) != EOF) 71*0Sstevel@tonic-gate switch (c) { 72*0Sstevel@tonic-gate case 'h': 73*0Sstevel@tonic-gate if (fpath != NULL) 74*0Sstevel@tonic-gate ++errflg; 75*0Sstevel@tonic-gate else 76*0Sstevel@tonic-gate ++hflag; 77*0Sstevel@tonic-gate break; 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate case 'f': 80*0Sstevel@tonic-gate if (hflag) 81*0Sstevel@tonic-gate ++errflg; 82*0Sstevel@tonic-gate else 83*0Sstevel@tonic-gate fpath = optarg; 84*0Sstevel@tonic-gate break; 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate case 'v': 87*0Sstevel@tonic-gate ++vflag; 88*0Sstevel@tonic-gate break; 89*0Sstevel@tonic-gate 90*0Sstevel@tonic-gate case '?': 91*0Sstevel@tonic-gate default: 92*0Sstevel@tonic-gate ++errflg; 93*0Sstevel@tonic-gate break; 94*0Sstevel@tonic-gate } 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate if ((errflg) || (optind != (argc - 1))) { 97*0Sstevel@tonic-gate usage(NULL); 98*0Sstevel@tonic-gate rc = -1; 99*0Sstevel@tonic-gate goto out; 100*0Sstevel@tonic-gate } 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gate fs = stats_create_mountpath(argv[optind], prog); 103*0Sstevel@tonic-gate if (fs == NULL) { 104*0Sstevel@tonic-gate pr_err(gettext("Cannot initialize cachefs library\n")); 105*0Sstevel@tonic-gate rc = 1; 106*0Sstevel@tonic-gate goto out; 107*0Sstevel@tonic-gate } 108*0Sstevel@tonic-gate 109*0Sstevel@tonic-gate if (! stats_good(fs)) { 110*0Sstevel@tonic-gate pr_err(stats_errorstr(fs)); 111*0Sstevel@tonic-gate rc = stats_errno(fs); 112*0Sstevel@tonic-gate goto out; 113*0Sstevel@tonic-gate } 114*0Sstevel@tonic-gate 115*0Sstevel@tonic-gate if ((logfile = stats_log_kernel_getname(fs)) == NULL) { 116*0Sstevel@tonic-gate pr_err(stats_errorstr(fs)); 117*0Sstevel@tonic-gate rc = stats_errno(fs); 118*0Sstevel@tonic-gate goto out; 119*0Sstevel@tonic-gate } 120*0Sstevel@tonic-gate if ((logfile[0] == '\0') && (hflag) && (! vflag)) { 121*0Sstevel@tonic-gate log_show(argv[optind], logfile); 122*0Sstevel@tonic-gate goto out; 123*0Sstevel@tonic-gate } 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate if (fpath != NULL) { 126*0Sstevel@tonic-gate if ((stats_log_kernel_setname(fs, fpath) != 0) || 127*0Sstevel@tonic-gate (stats_log_which(fs, CACHEFS_LOG_MOUNT, 1) != 0) || 128*0Sstevel@tonic-gate (stats_log_which(fs, CACHEFS_LOG_UMOUNT, 1) != 0) || 129*0Sstevel@tonic-gate (stats_log_which(fs, CACHEFS_LOG_REMOVE, 1) != 0) || 130*0Sstevel@tonic-gate (stats_log_which(fs, CACHEFS_LOG_RMDIR, 1) != 0) || 131*0Sstevel@tonic-gate (stats_log_which(fs, CACHEFS_LOG_TRUNCATE, 1) != 0) || 132*0Sstevel@tonic-gate (stats_log_which(fs, CACHEFS_LOG_CREATE, 1) != 0) || 133*0Sstevel@tonic-gate (stats_log_which(fs, CACHEFS_LOG_MKDIR, 1) != 0) || 134*0Sstevel@tonic-gate (stats_log_which(fs, CACHEFS_LOG_RENAME, 1) != 0) || 135*0Sstevel@tonic-gate (stats_log_which(fs, CACHEFS_LOG_SYMLINK, 1) != 0) || 136*0Sstevel@tonic-gate (stats_log_which(fs, CACHEFS_LOG_UALLOC, 1) != 0) || 137*0Sstevel@tonic-gate (stats_log_which(fs, CACHEFS_LOG_CSYMLINK, 1) != 0) || 138*0Sstevel@tonic-gate (stats_log_which(fs, CACHEFS_LOG_FILLDIR, 1) != 0) || 139*0Sstevel@tonic-gate (stats_log_which(fs, CACHEFS_LOG_MDCREATE, 1) != 0) || 140*0Sstevel@tonic-gate (stats_log_which(fs, CACHEFS_LOG_NOCACHE, 1) != 0) || 141*0Sstevel@tonic-gate (stats_log_which(fs, CACHEFS_LOG_CALLOC, 1) != 0) || 142*0Sstevel@tonic-gate (stats_log_which(fs, CACHEFS_LOG_RFDIR, 1) != 0)) { 143*0Sstevel@tonic-gate pr_err(stats_errorstr(fs)); 144*0Sstevel@tonic-gate rc = stats_errno(fs); 145*0Sstevel@tonic-gate goto out; 146*0Sstevel@tonic-gate } 147*0Sstevel@tonic-gate } else if (hflag) { 148*0Sstevel@tonic-gate if (stats_log_kernel_setname(fs, NULL) != 0) { 149*0Sstevel@tonic-gate pr_err(stats_errorstr(fs)); 150*0Sstevel@tonic-gate rc = stats_errno(fs); 151*0Sstevel@tonic-gate goto out; 152*0Sstevel@tonic-gate } 153*0Sstevel@tonic-gate } 154*0Sstevel@tonic-gate 155*0Sstevel@tonic-gate if ((logfile = stats_log_kernel_getname(fs)) == NULL) { 156*0Sstevel@tonic-gate pr_err(stats_errorstr(fs)); 157*0Sstevel@tonic-gate rc = stats_errno(fs); 158*0Sstevel@tonic-gate goto out; 159*0Sstevel@tonic-gate } 160*0Sstevel@tonic-gate 161*0Sstevel@tonic-gate log_show(argv[optind], logfile); 162*0Sstevel@tonic-gate 163*0Sstevel@tonic-gate /* 164*0Sstevel@tonic-gate * if they're changing state, inform them of other filesystems 165*0Sstevel@tonic-gate * that they're changing state for by way of sharing the 166*0Sstevel@tonic-gate * cache. 167*0Sstevel@tonic-gate * 168*0Sstevel@tonic-gate * or, if they're verbose (-v flag), tell them about the 169*0Sstevel@tonic-gate * others. 170*0Sstevel@tonic-gate */ 171*0Sstevel@tonic-gate 172*0Sstevel@tonic-gate if (((fpath) || (hflag) || (vflag)) && (! stats_inerror(fs))) { 173*0Sstevel@tonic-gate cachefs_kstat_key_t *k, *origk; 174*0Sstevel@tonic-gate stats_cookie_t *sc; 175*0Sstevel@tonic-gate int before = 0; 176*0Sstevel@tonic-gate 177*0Sstevel@tonic-gate origk = stats_getkey(fs); 178*0Sstevel@tonic-gate sc = stats_create_unbound(prog); 179*0Sstevel@tonic-gate if (sc == NULL) { 180*0Sstevel@tonic-gate pr_err(gettext("Cannot create stats object")); 181*0Sstevel@tonic-gate rc = 1; 182*0Sstevel@tonic-gate goto out; 183*0Sstevel@tonic-gate } 184*0Sstevel@tonic-gate 185*0Sstevel@tonic-gate while ((k = stats_next(sc)) != NULL) { 186*0Sstevel@tonic-gate if (! k->ks_mounted) { 187*0Sstevel@tonic-gate free(k); 188*0Sstevel@tonic-gate continue; 189*0Sstevel@tonic-gate } 190*0Sstevel@tonic-gate if (strcmp((char *)origk->ks_cachedir, 191*0Sstevel@tonic-gate (char *)k->ks_cachedir) != 0) { 192*0Sstevel@tonic-gate free(k); 193*0Sstevel@tonic-gate continue; 194*0Sstevel@tonic-gate } 195*0Sstevel@tonic-gate if (origk->ks_id == k->ks_id) { 196*0Sstevel@tonic-gate free(k); 197*0Sstevel@tonic-gate continue; 198*0Sstevel@tonic-gate } 199*0Sstevel@tonic-gate if (! before) 200*0Sstevel@tonic-gate printf("\n"); 201*0Sstevel@tonic-gate before = 1; 202*0Sstevel@tonic-gate log_show((char *)k->ks_mountpoint, logfile); 203*0Sstevel@tonic-gate free(k); 204*0Sstevel@tonic-gate } 205*0Sstevel@tonic-gate free(origk); 206*0Sstevel@tonic-gate stats_destroy(sc); 207*0Sstevel@tonic-gate } 208*0Sstevel@tonic-gate 209*0Sstevel@tonic-gate if (stats_inerror(fs)) { 210*0Sstevel@tonic-gate pr_err(stats_errorstr(fs)); 211*0Sstevel@tonic-gate rc = stats_errno(fs); 212*0Sstevel@tonic-gate } 213*0Sstevel@tonic-gate 214*0Sstevel@tonic-gate out: 215*0Sstevel@tonic-gate stats_destroy(fs); 216*0Sstevel@tonic-gate return (rc); 217*0Sstevel@tonic-gate } 218*0Sstevel@tonic-gate 219*0Sstevel@tonic-gate static void 220*0Sstevel@tonic-gate log_show(char *mount, char *logfile) 221*0Sstevel@tonic-gate { 222*0Sstevel@tonic-gate if (logfile[0] == '\0') 223*0Sstevel@tonic-gate logfile = gettext("not logged"); 224*0Sstevel@tonic-gate printf("%s: %s\n", logfile, mount); 225*0Sstevel@tonic-gate } 226*0Sstevel@tonic-gate 227*0Sstevel@tonic-gate /* 228*0Sstevel@tonic-gate * 229*0Sstevel@tonic-gate * usage 230*0Sstevel@tonic-gate * 231*0Sstevel@tonic-gate * Description: 232*0Sstevel@tonic-gate * Prints a short usage message. 233*0Sstevel@tonic-gate * Arguments: 234*0Sstevel@tonic-gate * msgp message to include with the usage message 235*0Sstevel@tonic-gate * Returns: 236*0Sstevel@tonic-gate * Preconditions: 237*0Sstevel@tonic-gate */ 238*0Sstevel@tonic-gate 239*0Sstevel@tonic-gate void 240*0Sstevel@tonic-gate usage(char *msgp) 241*0Sstevel@tonic-gate { 242*0Sstevel@tonic-gate if (msgp) { 243*0Sstevel@tonic-gate pr_err("%s", msgp); 244*0Sstevel@tonic-gate } 245*0Sstevel@tonic-gate 246*0Sstevel@tonic-gate fprintf(stderr, 247*0Sstevel@tonic-gate gettext("Usage: " 248*0Sstevel@tonic-gate "cachefslog [ -v ] [-h | -f <logfile>] mountpoint\n")); 249*0Sstevel@tonic-gate } 250*0Sstevel@tonic-gate 251*0Sstevel@tonic-gate /* 252*0Sstevel@tonic-gate * 253*0Sstevel@tonic-gate * pr_err 254*0Sstevel@tonic-gate * 255*0Sstevel@tonic-gate * Description: 256*0Sstevel@tonic-gate * Prints an error message to stderr. 257*0Sstevel@tonic-gate * Arguments: 258*0Sstevel@tonic-gate * fmt printf style format 259*0Sstevel@tonic-gate * ... arguments for fmt 260*0Sstevel@tonic-gate * Returns: 261*0Sstevel@tonic-gate * Preconditions: 262*0Sstevel@tonic-gate * precond(fmt) 263*0Sstevel@tonic-gate */ 264*0Sstevel@tonic-gate 265*0Sstevel@tonic-gate void 266*0Sstevel@tonic-gate pr_err(char *fmt, ...) 267*0Sstevel@tonic-gate { 268*0Sstevel@tonic-gate va_list ap; 269*0Sstevel@tonic-gate 270*0Sstevel@tonic-gate va_start(ap, fmt); 271*0Sstevel@tonic-gate (void) fprintf(stderr, gettext("cachefslog: ")); 272*0Sstevel@tonic-gate (void) vfprintf(stderr, fmt, ap); 273*0Sstevel@tonic-gate (void) fprintf(stderr, "\n"); 274*0Sstevel@tonic-gate va_end(ap); 275*0Sstevel@tonic-gate } 276