1 /* 2 * Copyright (c) 1994 Christopher G. Demetriou 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Christopher G. Demetriou. 16 * 4. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef lint 32 static const char rcsid[] = 33 "$FreeBSD$"; 34 #endif /* not lint */ 35 36 #include <sys/param.h> 37 #include <sys/types.h> 38 #include <sys/acct.h> 39 #include <err.h> 40 #include <errno.h> 41 #include <fcntl.h> 42 #include <pwd.h> 43 #include <stdint.h> 44 #include <stdio.h> 45 #include <stdlib.h> 46 #include <string.h> 47 #include "extern.h" 48 #include "pathnames.h" 49 50 static int uid_compare __P((const DBT *, const DBT *)); 51 52 static DB *usracct_db; 53 54 int 55 usracct_init() 56 { 57 DB *saved_usracct_db; 58 BTREEINFO bti; 59 int error; 60 61 bzero(&bti, sizeof bti); 62 bti.compare = uid_compare; 63 64 usracct_db = dbopen(NULL, O_RDWR, 0, DB_BTREE, &bti); 65 if (usracct_db == NULL) 66 return (-1); 67 68 error = 0; 69 if (!iflag) { 70 DBT key, data; 71 int serr, nerr; 72 73 saved_usracct_db = dbopen(_PATH_USRACCT, O_RDONLY, 0, DB_BTREE, 74 &bti); 75 if (saved_usracct_db == NULL) { 76 error = (errno == ENOENT) ? 0 : -1; 77 if (error) 78 warn("retrieving user accounting summary"); 79 goto out; 80 } 81 82 serr = DB_SEQ(saved_usracct_db, &key, &data, R_FIRST); 83 if (serr < 0) { 84 warn("retrieving user accounting summary"); 85 error = -1; 86 goto closeout; 87 } 88 while (serr == 0) { 89 nerr = DB_PUT(usracct_db, &key, &data, 0); 90 if (nerr < 0) { 91 warn("initializing user accounting stats"); 92 error = -1; 93 break; 94 } 95 96 serr = DB_SEQ(saved_usracct_db, &key, &data, R_NEXT); 97 if (serr < 0) { 98 warn("retrieving user accounting summary"); 99 error = -1; 100 break; 101 } 102 } 103 104 closeout: 105 if (DB_CLOSE(saved_usracct_db) < 0) { 106 warn("closing user accounting summary"); 107 error = -1; 108 } 109 } 110 111 out: 112 if (error != 0) 113 usracct_destroy(); 114 return (error); 115 } 116 117 void 118 usracct_destroy() 119 { 120 if (DB_CLOSE(usracct_db) < 0) 121 warn("destroying user accounting stats"); 122 } 123 124 int 125 usracct_add(ci) 126 const struct cmdinfo *ci; 127 { 128 DBT key, data; 129 struct userinfo newui; 130 u_long uid; 131 int rv; 132 133 uid = ci->ci_uid; 134 key.data = &uid; 135 key.size = sizeof uid; 136 137 rv = DB_GET(usracct_db, &key, &data, 0); 138 if (rv < 0) { 139 warn("get key %lu from user accounting stats", uid); 140 return (-1); 141 } else if (rv == 0) { /* it's there; copy whole thing */ 142 /* add the old data to the new data */ 143 bcopy(data.data, &newui, data.size); 144 if (newui.ui_uid != uid) { 145 warnx("key %lu != expected record number %lu", 146 newui.ui_uid, uid); 147 warnx("inconsistent user accounting stats"); 148 return (-1); 149 } 150 } else { /* it's not there; zero it and copy the key */ 151 bzero(&newui, sizeof newui); 152 newui.ui_uid = ci->ci_uid; 153 } 154 155 newui.ui_calls += ci->ci_calls; 156 newui.ui_utime += ci->ci_utime; 157 newui.ui_stime += ci->ci_stime; 158 newui.ui_mem += ci->ci_mem; 159 newui.ui_io += ci->ci_io; 160 161 data.data = &newui; 162 data.size = sizeof newui; 163 rv = DB_PUT(usracct_db, &key, &data, 0); 164 if (rv < 0) { 165 warn("add key %lu to user accounting stats", uid); 166 return (-1); 167 } else if (rv != 0) { 168 warnx("DB_PUT returned 1"); 169 return (-1); 170 } 171 172 return (0); 173 } 174 175 int 176 usracct_update() 177 { 178 DB *saved_usracct_db; 179 DBT key, data; 180 BTREEINFO bti; 181 int error, serr, nerr; 182 183 bzero(&bti, sizeof bti); 184 bti.compare = uid_compare; 185 186 saved_usracct_db = dbopen(_PATH_USRACCT, O_RDWR|O_CREAT|O_TRUNC, 0644, 187 DB_BTREE, &bti); 188 if (saved_usracct_db == NULL) { 189 warn("creating user accounting summary"); 190 return (-1); 191 } 192 193 error = 0; 194 195 serr = DB_SEQ(usracct_db, &key, &data, R_FIRST); 196 if (serr < 0) { 197 warn("retrieving user accounting stats"); 198 error = -1; 199 } 200 while (serr == 0) { 201 nerr = DB_PUT(saved_usracct_db, &key, &data, 0); 202 if (nerr < 0) { 203 warn("saving user accounting summary"); 204 error = -1; 205 break; 206 } 207 208 serr = DB_SEQ(usracct_db, &key, &data, R_NEXT); 209 if (serr < 0) { 210 warn("retrieving user accounting stats"); 211 error = -1; 212 break; 213 } 214 } 215 216 if (DB_SYNC(saved_usracct_db, 0) < 0) { 217 warn("syncing process accounting summary"); 218 error = -1; 219 } 220 if (DB_CLOSE(saved_usracct_db) < 0) { 221 warn("closing process accounting summary"); 222 error = -1; 223 } 224 return error; 225 } 226 227 void 228 usracct_print() 229 { 230 DBT key, data; 231 struct userinfo uistore, *ui = &uistore; 232 double t; 233 int rv; 234 235 rv = DB_SEQ(usracct_db, &key, &data, R_FIRST); 236 if (rv < 0) 237 warn("retrieving user accounting stats"); 238 239 while (rv == 0) { 240 memcpy(ui, data.data, sizeof(struct userinfo)); 241 242 printf("%-*s %9ju ", MAXLOGNAME - 1, 243 user_from_uid(ui->ui_uid, 0), (uintmax_t)ui->ui_calls); 244 245 t = (double) (ui->ui_utime + ui->ui_stime) / 246 (double) AHZ; 247 if (t < 0.0001) /* kill divide by zero */ 248 t = 0.0001; 249 250 printf("%12.2f%s ", t / 60.0, "cpu"); 251 252 /* ui->ui_calls is always != 0 */ 253 if (dflag) 254 printf("%12ju%s", 255 (uintmax_t)(ui->ui_io / ui->ui_calls), "avio"); 256 else 257 printf("%12ju%s", (uintmax_t)ui->ui_io, "tio"); 258 259 /* t is always >= 0.0001; see above */ 260 if (kflag) 261 printf("%12.0f%s", ui->ui_mem / t, "k"); 262 else 263 printf("%12ju%s", (uintmax_t)ui->ui_mem, "k*sec"); 264 265 printf("\n"); 266 267 rv = DB_SEQ(usracct_db, &key, &data, R_NEXT); 268 if (rv < 0) 269 warn("retrieving user accounting stats"); 270 } 271 } 272 273 static int 274 uid_compare(k1, k2) 275 const DBT *k1, *k2; 276 { 277 u_long d1, d2; 278 279 bcopy(k1->data, &d1, sizeof d1); 280 bcopy(k2->data, &d2, sizeof d2); 281 282 if (d1 < d2) 283 return -1; 284 else if (d1 == d2) 285 return 0; 286 else 287 return 1; 288 } 289