/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" /* * smbstat: Server Message Block File System statistics */ #include #include #include #include #include #include #include #include #include #include static kstat_ctl_t *kc; /* libkstat cookie */ static kstat_t *smb_info; static kstat_t *smb_dispatch; static kstat_t *ksmb_kstat; static int get_smbinfo_stat(void); static int get_smbdispatch_stat(void); static void smbstat_setup(void); static void smbstat_smb_info_print(); static void smbstat_smb_dispatch_print(); static void smbstat_print(const char *, kstat_t *, int); static int smbstat_width(kstat_t *, int); static void smbstat_fail(int, char *, ...); static kid_t smbstat_kstat_read(kstat_ctl_t *, kstat_t *, void *); static void smbstat_usage(void); #define MAX_COLUMNS 80 int main(int argc, char *argv[]) { int c; int iflag = 0; /* smb_info stats */ int dflag = 0; /* smb_dispatch_all stats */ if (getzoneid() != GLOBAL_ZONEID) { (void) fprintf(stderr, gettext("%s: Cannot execute in non-global zone.\n"), argv[0]); return (0); } if (is_system_labeled()) { (void) fprintf(stderr, gettext("%s: Trusted Extensions not supported.\n"), argv[0]); return (0); } while ((c = getopt(argc, argv, "id")) != EOF) { switch (c) { case 'i': iflag++; break; case 'd': dflag++; break; case '?': default: smbstat_usage(); } } if ((argc - optind) > 0) { smbstat_usage(); } smbstat_setup(); if (iflag) { smbstat_smb_info_print(); } else if (dflag) { smbstat_smb_dispatch_print(); } else { smbstat_smb_info_print(); smbstat_smb_dispatch_print(); } (void) kstat_close(kc); free(ksmb_kstat); return (0); } static int get_smbinfo_stat(void) { (void) smbstat_kstat_read(kc, smb_info, NULL); return (smbstat_width(smb_info, 0)); } static int get_smbdispatch_stat(void) { (void) smbstat_kstat_read(kc, smb_dispatch, NULL); return (smbstat_width(smb_dispatch, 0)); } static void smbstat_smb_info_print() { int field_width; field_width = get_smbinfo_stat(); if (field_width == 0) return; smbstat_print(gettext("\nSMB Info:\n"), smb_info, field_width); } static void smbstat_smb_dispatch_print() { int field_width; field_width = get_smbdispatch_stat(); if (field_width == 0) return; smbstat_print(gettext("\nAll dispatched SMB requests statistics:\n"), smb_dispatch, field_width); } static void smbstat_setup(void) { if ((kc = kstat_open()) == NULL) smbstat_fail(1, gettext("kstat_open(): can't open /dev/kstat")); if ((ksmb_kstat = malloc(sizeof (kstat_t))) == NULL) { (void) kstat_close(kc); smbstat_fail(1, gettext("Out of memory")); } smb_info = kstat_lookup(kc, "smb", 0, "smb_info"); smb_dispatch = kstat_lookup(kc, "smb", 0, "smb_dispatch_all"); if ((smb_info == NULL) || (smb_dispatch == NULL)) smbstat_fail(0, gettext("kstat lookups failed for smb. " "Your kernel module may not be loaded\n")); } static int smbstat_width(kstat_t *req, int field_width) { int i, nreq, len; char fixlen[128]; kstat_named_t *knp; knp = KSTAT_NAMED_PTR(req); nreq = req->ks_ndata; for (i = 0; i < nreq; i++) { len = strlen(knp[i].name) + 1; if (field_width < len) field_width = len; (void) sprintf(fixlen, "%" PRIu64, knp[i].value.ui64); len = strlen(fixlen) + 1; if (field_width < len) field_width = len; } return (field_width); } static void smbstat_print(const char *title_string, kstat_t *req, int field_width) { int i, j, nreq, ncolumns; char fixlen[128]; kstat_named_t *knp; if (req == NULL) return; if (field_width == 0) return; (void) printf("%s\n", title_string); ncolumns = (MAX_COLUMNS -1)/field_width; knp = KSTAT_NAMED_PTR(req); nreq = req->ks_ndata; for (i = 0; i < nreq; i += ncolumns) { /* prints out the titles of the columns */ for (j = i; j < MIN(i + ncolumns, nreq); j++) { (void) printf("%-*s", field_width, knp[j].name); } (void) printf("\n"); /* prints out the stat numbers */ for (j = i; j < MIN(i + ncolumns, nreq); j++) { (void) sprintf(fixlen, "%" PRIu64 " ", knp[j].value.ui64); (void) printf("%-*s", field_width, fixlen); } (void) printf("\n"); } } static void smbstat_usage(void) { (void) fprintf(stderr, gettext("Usage: smbstat [-id]\n")); exit(1); } static void smbstat_fail(int do_perror, char *message, ...) { va_list args; va_start(args, message); (void) fprintf(stderr, gettext("smbstat: ")); /* LINTED E_SEC_PRINTF_VAR_FMT */ (void) vfprintf(stderr, message, args); va_end(args); if (do_perror) (void) fprintf(stderr, ": %s", strerror(errno)); (void) fprintf(stderr, "\n"); exit(1); } static kid_t smbstat_kstat_read(kstat_ctl_t *kc, kstat_t *ksp, void *data) { kid_t kstat_chain_id = kstat_read(kc, ksp, data); if (kstat_chain_id == -1) smbstat_fail(1, gettext("kstat_read('%s') failed"), ksp->ks_name); return (kstat_chain_id); } /* * Enable libumem debugging by default on DEBUG builds. */ #ifdef DEBUG /* LINTED - external libumem symbol */ const char * _umem_debug_init(void) { return ("default,verbose"); /* $UMEM_DEBUG setting */ } /* LINTED - external libumem symbol */ const char * _umem_logging_init(void) { return ("fail,contents"); /* $UMEM_LOGGING setting */ } #endif