usrdb.c revision 30425
13125Sdg/* 23125Sdg * Copyright (c) 1994 Christopher G. Demetriou 33125Sdg * All rights reserved. 43125Sdg * 53125Sdg * Redistribution and use in source and binary forms, with or without 63125Sdg * modification, are permitted provided that the following conditions 73125Sdg * are met: 83125Sdg * 1. Redistributions of source code must retain the above copyright 93125Sdg * notice, this list of conditions and the following disclaimer. 103125Sdg * 2. Redistributions in binary form must reproduce the above copyright 113125Sdg * notice, this list of conditions and the following disclaimer in the 123125Sdg * documentation and/or other materials provided with the distribution. 133125Sdg * 3. All advertising materials mentioning features or use of this software 143125Sdg * must display the following acknowledgement: 153125Sdg * This product includes software developed by Christopher G. Demetriou. 163125Sdg * 4. The name of the author may not be used to endorse or promote products 173125Sdg * derived from this software without specific prior written permission 183125Sdg * 193125Sdg * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 203125Sdg * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 213125Sdg * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 223125Sdg * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 233125Sdg * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 243125Sdg * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 253125Sdg * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 263125Sdg * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 273125Sdg * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 283125Sdg * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 293125Sdg */ 303125Sdg 3130425Scharnier#ifndef lint 3230425Scharnierstatic const char rcsid[] = 3330425Scharnier "$Id$"; 3430425Scharnier#endif /* not lint */ 353125Sdg 363125Sdg#include <sys/types.h> 373125Sdg#include <sys/acct.h> 383125Sdg#include <err.h> 393125Sdg#include <errno.h> 403125Sdg#include <fcntl.h> 4113558Smpp#include <stdio.h> 4230425Scharnier#include <stdlib.h> 4313558Smpp#include <string.h> 443125Sdg#include "extern.h" 453125Sdg#include "pathnames.h" 463125Sdg 473125Sdgstatic int uid_compare __P((const DBT *, const DBT *)); 483125Sdg 493125Sdgstatic DB *usracct_db; 503125Sdg 513125Sdgint 523125Sdgusracct_init() 533125Sdg{ 543125Sdg DB *saved_usracct_db; 553125Sdg BTREEINFO bti; 563125Sdg int error; 573125Sdg 583125Sdg bzero(&bti, sizeof bti); 593125Sdg bti.compare = uid_compare; 603125Sdg 613125Sdg usracct_db = dbopen(NULL, O_RDWR, 0, DB_BTREE, &bti); 623125Sdg if (usracct_db == NULL) 633125Sdg return (-1); 643125Sdg 653125Sdg error = 0; 663125Sdg if (!iflag) { 673125Sdg DBT key, data; 683125Sdg int serr, nerr; 693125Sdg 703125Sdg saved_usracct_db = dbopen(_PATH_USRACCT, O_RDONLY, 0, DB_BTREE, 713125Sdg &bti); 723125Sdg if (saved_usracct_db == NULL) { 733125Sdg error = (errno == ENOENT) ? 0 : -1; 743125Sdg if (error) 753125Sdg warn("retrieving user accounting summary"); 763125Sdg goto out; 773125Sdg } 783125Sdg 793125Sdg serr = DB_SEQ(saved_usracct_db, &key, &data, R_FIRST); 803125Sdg if (serr < 0) { 813125Sdg warn("retrieving user accounting summary"); 823125Sdg error = -1; 833125Sdg goto closeout; 843125Sdg } 853125Sdg while (serr == 0) { 863125Sdg nerr = DB_PUT(usracct_db, &key, &data, 0); 873125Sdg if (nerr < 0) { 883125Sdg warn("initializing user accounting stats"); 893125Sdg error = -1; 903125Sdg break; 918857Srgrimes } 923125Sdg 933125Sdg serr = DB_SEQ(saved_usracct_db, &key, &data, R_NEXT); 943125Sdg if (serr < 0) { 953125Sdg warn("retrieving user accounting summary"); 963125Sdg error = -1; 973125Sdg break; 983125Sdg } 993125Sdg } 1003125Sdg 1013125Sdgcloseout: 1023125Sdg if (DB_CLOSE(saved_usracct_db) < 0) { 1033125Sdg warn("closing user accounting summary"); 1043125Sdg error = -1; 1053125Sdg } 1063125Sdg } 1073125Sdg 1083125Sdgout: 1093125Sdg if (error != 0) 1103125Sdg usracct_destroy(); 1113125Sdg return (error); 1123125Sdg} 1133125Sdg 1143125Sdgvoid 1153125Sdgusracct_destroy() 1163125Sdg{ 1173125Sdg if (DB_CLOSE(usracct_db) < 0) 1183125Sdg warn("destroying user accounting stats"); 1193125Sdg} 1203125Sdg 1213125Sdgint 1223125Sdgusracct_add(ci) 1233125Sdg const struct cmdinfo *ci; 1243125Sdg{ 1253125Sdg DBT key, data; 1263125Sdg struct userinfo newui; 1273125Sdg u_long uid; 1283125Sdg int rv; 1293125Sdg 1303125Sdg uid = ci->ci_uid; 1313125Sdg key.data = &uid; 1323125Sdg key.size = sizeof uid; 1333125Sdg 1343125Sdg rv = DB_GET(usracct_db, &key, &data, 0); 1353125Sdg if (rv < 0) { 1363125Sdg warn("get key %d from user accounting stats", uid); 1373125Sdg return (-1); 1383125Sdg } else if (rv == 0) { /* it's there; copy whole thing */ 1393125Sdg /* add the old data to the new data */ 1403125Sdg bcopy(data.data, &newui, data.size); 1413125Sdg if (newui.ui_uid != uid) { 1423125Sdg warnx("key %d != expected record number %d", 1433125Sdg newui.ui_uid, uid); 1443125Sdg warnx("inconsistent user accounting stats"); 1453125Sdg return (-1); 1463125Sdg } 1473125Sdg } else { /* it's not there; zero it and copy the key */ 1483125Sdg bzero(&newui, sizeof newui); 1493125Sdg newui.ui_uid = ci->ci_uid; 1503125Sdg } 1513125Sdg 1523125Sdg newui.ui_calls += ci->ci_calls; 1533125Sdg newui.ui_utime += ci->ci_utime; 1543125Sdg newui.ui_stime += ci->ci_stime; 1553125Sdg newui.ui_mem += ci->ci_mem; 1563125Sdg newui.ui_io += ci->ci_io; 1573125Sdg 1588857Srgrimes data.data = &newui; 1593125Sdg data.size = sizeof newui; 1603125Sdg rv = DB_PUT(usracct_db, &key, &data, 0); 1613125Sdg if (rv < 0) { 1623125Sdg warn("add key %d to user accounting stats", uid); 1633125Sdg return (-1); 1643125Sdg } else if (rv != 0) { 1653125Sdg warnx("DB_PUT returned 1"); 1663125Sdg return (-1); 1673125Sdg } 1683125Sdg 1693125Sdg return (0); 1703125Sdg} 1713125Sdg 1723125Sdgint 1733125Sdgusracct_update() 1743125Sdg{ 1753125Sdg DB *saved_usracct_db; 1763125Sdg DBT key, data; 1773125Sdg BTREEINFO bti; 1783125Sdg int error, serr, nerr; 1793125Sdg 1803125Sdg bzero(&bti, sizeof bti); 1813125Sdg bti.compare = uid_compare; 1823125Sdg 1833125Sdg saved_usracct_db = dbopen(_PATH_USRACCT, O_RDWR|O_CREAT|O_TRUNC, 0644, 1843125Sdg DB_BTREE, &bti); 1853125Sdg if (saved_usracct_db == NULL) { 1863125Sdg warn("creating user accounting summary"); 1873125Sdg return (-1); 1883125Sdg } 1893125Sdg 1903125Sdg error = 0; 1913125Sdg 1923125Sdg serr = DB_SEQ(usracct_db, &key, &data, R_FIRST); 1933125Sdg if (serr < 0) { 1943125Sdg warn("retrieving user accounting stats"); 1953125Sdg error = -1; 1963125Sdg } 1973125Sdg while (serr == 0) { 1983125Sdg nerr = DB_PUT(saved_usracct_db, &key, &data, 0); 1993125Sdg if (nerr < 0) { 2003125Sdg warn("saving user accounting summary"); 2013125Sdg error = -1; 2023125Sdg break; 2033125Sdg } 2043125Sdg 2053125Sdg serr = DB_SEQ(usracct_db, &key, &data, R_NEXT); 2063125Sdg if (serr < 0) { 2073125Sdg warn("retrieving user accounting stats"); 2083125Sdg error = -1; 2093125Sdg break; 2103125Sdg } 2113125Sdg } 2123125Sdg 2133125Sdg if (DB_SYNC(saved_usracct_db, 0) < 0) { 2143125Sdg warn("syncing process accounting summary"); 2153125Sdg error = -1; 2163125Sdg } 2173125Sdg if (DB_CLOSE(saved_usracct_db) < 0) { 2183125Sdg warn("closing process accounting summary"); 2193125Sdg error = -1; 2203125Sdg } 2213125Sdg return error; 2223125Sdg} 2233125Sdg 2243125Sdgvoid 2253125Sdgusracct_print() 2263125Sdg{ 2273125Sdg DBT key, data; 2283125Sdg struct userinfo *ui; 2293125Sdg double t; 2303125Sdg int rv; 2313125Sdg 2323125Sdg rv = DB_SEQ(usracct_db, &key, &data, R_FIRST); 2333125Sdg if (rv < 0) 2343125Sdg warn("retrieving user accounting stats"); 2353125Sdg 2363125Sdg while (rv == 0) { 2373125Sdg ui = (struct userinfo *) data.data; 2383125Sdg 2393125Sdg printf("%-8s %9qu ", 2403125Sdg user_from_uid(ui->ui_uid, 0), ui->ui_calls); 2413125Sdg 2423125Sdg t = (double) (ui->ui_utime + ui->ui_stime) / 2433125Sdg (double) AHZ; 2443125Sdg if (t < 0.0001) /* kill divide by zero */ 2453125Sdg t = 0.0001; 2463125Sdg 24713558Smpp printf("%12.2f%s ", t / 60.0, "cpu"); 2483125Sdg 2493125Sdg /* ui->ui_calls is always != 0 */ 2503125Sdg if (dflag) 2513125Sdg printf("%12qu%s", ui->ui_io / ui->ui_calls, "avio"); 2523125Sdg else 2533125Sdg printf("%12qu%s", ui->ui_io, "tio"); 2543125Sdg 2553125Sdg /* t is always >= 0.0001; see above */ 2563125Sdg if (kflag) 2573125Sdg printf("%12qu%s", ui->ui_mem / t, "k"); 2583125Sdg else 2593125Sdg printf("%12qu%s", ui->ui_mem, "k*sec"); 2603125Sdg 2613125Sdg printf("\n"); 2623125Sdg 2633125Sdg rv = DB_SEQ(usracct_db, &key, &data, R_NEXT); 2643125Sdg if (rv < 0) 2653125Sdg warn("retrieving user accounting stats"); 2663125Sdg } 2673125Sdg} 2683125Sdg 2693125Sdgstatic int 2703125Sdguid_compare(k1, k2) 2713125Sdg const DBT *k1, *k2; 2723125Sdg{ 2733125Sdg u_long d1, d2; 2743125Sdg 2753125Sdg bcopy(k1->data, &d1, sizeof d1); 2763125Sdg bcopy(k2->data, &d2, sizeof d2); 2778857Srgrimes 2783125Sdg if (d1 < d2) 2793125Sdg return -1; 2803125Sdg else if (d1 == d2) 2813125Sdg return 0; 2823125Sdg else 2833125Sdg return 1; 2843125Sdg} 285