]>
Commit | Line | Data |
---|---|---|
45bc9d15 A |
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 | #include <sys/cdefs.h> | |
32 | __FBSDID("$FreeBSD: src/usr.sbin/sa/usrdb.c,v 1.16 2007/05/22 06:51:38 dds Exp $"); | |
33 | ||
34 | #include <sys/param.h> | |
35 | #include <sys/types.h> | |
36 | #include <sys/acct.h> | |
37 | #include <err.h> | |
38 | #include <errno.h> | |
39 | #include <fcntl.h> | |
40 | #include <pwd.h> | |
41 | #include <stdint.h> | |
42 | #include <stdio.h> | |
43 | #include <stdlib.h> | |
44 | #include <string.h> | |
45 | #include "extern.h" | |
46 | #include "pathnames.h" | |
47 | ||
48 | static int uid_compare(const DBT *, const DBT *); | |
49 | ||
50 | static DB *usracct_db; | |
51 | ||
52 | /* Legacy format in AHZV1 units. */ | |
53 | struct userinfov1 { | |
54 | uid_t ui_uid; /* user id; for consistency */ | |
55 | u_quad_t ui_calls; /* number of invocations */ | |
56 | u_quad_t ui_utime; /* user time */ | |
57 | u_quad_t ui_stime; /* system time */ | |
58 | u_quad_t ui_mem; /* memory use */ | |
59 | u_quad_t ui_io; /* number of disk i/o ops */ | |
60 | }; | |
61 | ||
62 | /* | |
63 | * Convert a v1 data record into the current version. | |
64 | * Return 0 if OK, -1 on error, setting errno. | |
65 | */ | |
66 | static int | |
67 | v1_to_v2(DBT *key, DBT *data) | |
68 | { | |
69 | struct userinfov1 uiv1; | |
70 | static struct userinfo uiv2; | |
71 | static uid_t uid; | |
72 | ||
73 | if (key->size != sizeof(u_long) || data->size != sizeof(uiv1)) { | |
74 | errno = EFTYPE; | |
75 | return (-1); | |
76 | } | |
77 | ||
78 | /* Convert key. */ | |
79 | key->size = sizeof(uid_t); | |
80 | uid = (uid_t)*(u_long *)(key->data); | |
81 | key->data = &uid; | |
82 | ||
83 | /* Convert data. */ | |
84 | memcpy(&uiv1, data->data, data->size); | |
85 | memset(&uiv2, 0, sizeof(uiv2)); | |
86 | uiv2.ui_uid = uiv1.ui_uid; | |
87 | uiv2.ui_calls = uiv1.ui_calls; | |
88 | uiv2.ui_utime = ((double)uiv1.ui_utime / AHZV1) * 1000000; | |
89 | uiv2.ui_stime = ((double)uiv1.ui_stime / AHZV1) * 1000000; | |
90 | uiv2.ui_mem = uiv1.ui_mem; | |
91 | uiv2.ui_io = uiv1.ui_io; | |
92 | data->size = sizeof(uiv2); | |
93 | data->data = &uiv2; | |
94 | ||
95 | return (0); | |
96 | } | |
97 | ||
98 | /* Copy usrdb_file to in-memory usracct_db. */ | |
99 | int | |
100 | usracct_init() | |
101 | { | |
102 | BTREEINFO bti; | |
103 | ||
104 | bzero(&bti, sizeof bti); | |
105 | bti.compare = uid_compare; | |
106 | ||
107 | return (db_copy_in(&usracct_db, usrdb_file, "user accounting", | |
108 | &bti, v1_to_v2)); | |
109 | } | |
110 | ||
111 | void | |
112 | usracct_destroy() | |
113 | { | |
114 | db_destroy(usracct_db, "user accounting"); | |
115 | } | |
116 | ||
117 | int | |
118 | usracct_add(const struct cmdinfo *ci) | |
119 | { | |
120 | DBT key, data; | |
121 | struct userinfo newui; | |
122 | uid_t uid; | |
123 | int rv; | |
124 | ||
125 | uid = ci->ci_uid; | |
126 | key.data = &uid; | |
127 | key.size = sizeof uid; | |
128 | ||
129 | rv = DB_GET(usracct_db, &key, &data, 0); | |
130 | if (rv < 0) { | |
131 | warn("get key %u from user accounting stats", uid); | |
132 | return (-1); | |
133 | } else if (rv == 0) { /* it's there; copy whole thing */ | |
134 | /* add the old data to the new data */ | |
135 | bcopy(data.data, &newui, data.size); | |
136 | if (newui.ui_uid != uid) { | |
137 | warnx("key %u != expected record number %u", | |
138 | newui.ui_uid, uid); | |
139 | warnx("inconsistent user accounting stats"); | |
140 | return (-1); | |
141 | } | |
142 | } else { /* it's not there; zero it and copy the key */ | |
143 | bzero(&newui, sizeof newui); | |
144 | newui.ui_uid = ci->ci_uid; | |
145 | } | |
146 | ||
147 | newui.ui_calls += ci->ci_calls; | |
148 | newui.ui_utime += ci->ci_utime; | |
149 | newui.ui_stime += ci->ci_stime; | |
150 | newui.ui_mem += ci->ci_mem; | |
151 | newui.ui_io += ci->ci_io; | |
152 | ||
153 | data.data = &newui; | |
154 | data.size = sizeof newui; | |
155 | rv = DB_PUT(usracct_db, &key, &data, 0); | |
156 | if (rv < 0) { | |
157 | warn("add key %u to user accounting stats", uid); | |
158 | return (-1); | |
159 | } else if (rv != 0) { | |
160 | warnx("DB_PUT returned 1"); | |
161 | return (-1); | |
162 | } | |
163 | ||
164 | return (0); | |
165 | } | |
166 | ||
167 | /* Copy in-memory usracct_db to usrdb_file. */ | |
168 | int | |
169 | usracct_update() | |
170 | { | |
171 | BTREEINFO bti; | |
172 | ||
173 | bzero(&bti, sizeof bti); | |
174 | bti.compare = uid_compare; | |
175 | ||
176 | return (db_copy_out(usracct_db, usrdb_file, "user accounting", | |
177 | &bti)); | |
178 | } | |
179 | ||
180 | void | |
181 | usracct_print() | |
182 | { | |
183 | DBT key, data; | |
184 | struct userinfo uistore, *ui = &uistore; | |
185 | double t; | |
186 | int rv; | |
187 | ||
188 | rv = DB_SEQ(usracct_db, &key, &data, R_FIRST); | |
189 | if (rv < 0) | |
190 | warn("retrieving user accounting stats"); | |
191 | ||
192 | while (rv == 0) { | |
193 | memcpy(ui, data.data, sizeof(struct userinfo)); | |
194 | ||
195 | printf("%-*s %9ju ", MAXLOGNAME - 1, | |
196 | user_from_uid(ui->ui_uid, 0), (uintmax_t)ui->ui_calls); | |
197 | ||
198 | #ifdef __APPLE__ | |
199 | t = (double) (ui->ui_utime + ui->ui_stime) / | |
200 | (double) AHZ; | |
201 | if (t < 0.0001) /* kill divide by zero */ | |
202 | t = 0.0001; | |
203 | ||
204 | printf("%12.2f%s ", t / 60.0, "cpu"); | |
205 | ||
206 | /* ui->ui_calls is always != 0 */ | |
207 | if (dflag) | |
208 | printf("%12ju%s", | |
209 | (uintmax_t)(ui->ui_io / ui->ui_calls), "avio"); | |
210 | else | |
211 | printf("%12ju%s", (uintmax_t)ui->ui_io, "tio"); | |
212 | ||
213 | /* t is always >= 0.0001; see above */ | |
214 | if (kflag) | |
215 | printf("%12.0f%s", ui->ui_mem / t, "k"); | |
216 | else | |
217 | printf("%12ju%s", (uintmax_t)ui->ui_mem, "k*sec"); | |
218 | #else | |
219 | t = (ui->ui_utime + ui->ui_stime) / 1000000; | |
220 | if (t < 0.000001) /* kill divide by zero */ | |
221 | t = 0.000001; | |
222 | ||
223 | printf("%12.2f%s ", t / 60.0, "cpu"); | |
224 | ||
225 | /* ui->ui_calls is always != 0 */ | |
226 | if (dflag) | |
227 | printf("%12.0f%s", | |
228 | ui->ui_io / ui->ui_calls, "avio"); | |
229 | else | |
230 | printf("%12.0f%s", ui->ui_io, "tio"); | |
231 | ||
232 | /* t is always >= 0.000001; see above. */ | |
233 | if (kflag) | |
234 | printf("%12.0f%s", ui->ui_mem / t, "k"); | |
235 | else | |
236 | printf("%12.0f%s", ui->ui_mem, "k*sec"); | |
237 | #endif | |
238 | ||
239 | printf("\n"); | |
240 | ||
241 | rv = DB_SEQ(usracct_db, &key, &data, R_NEXT); | |
242 | if (rv < 0) | |
243 | warn("retrieving user accounting stats"); | |
244 | } | |
245 | } | |
246 | ||
247 | static int | |
248 | uid_compare(const DBT *k1, const DBT *k2) | |
249 | { | |
250 | uid_t d1, d2; | |
251 | ||
252 | bcopy(k1->data, &d1, sizeof d1); | |
253 | bcopy(k2->data, &d2, sizeof d2); | |
254 | ||
255 | if (d1 < d2) | |
256 | return -1; | |
257 | else if (d1 == d2) | |
258 | return 0; | |
259 | else | |
260 | return 1; | |
261 | } |