1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
|
/* $OpenBSD: rstat_proc.c,v 1.18 2001/10/30 22:28:01 deraadt Exp $ */
/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#ifndef lint
/*static char sccsid[] = "from: @(#)rpc.rstatd.c 1.1 86/09/25 Copyr 1984 Sun Micro";*/
/*static char sccsid[] = "from: @(#)rstat_proc.c 2.2 88/08/01 4.0 RPCSRC";*/
static char rcsid[] = "$OpenBSD: rstat_proc.c,v 1.18 2001/10/30 22:28:01 deraadt Exp $";
#endif
/*
* rstat service: built with rstat.x and derived from rpc.rstatd.c
*
* Copyright (c) 1984 by Sun Microsystems, Inc.
*/
#include <sys/param.h>
#include <sys/vmmeter.h>
#include <sys/dkstat.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <net/if.h>
#include <vm/vm.h>
#include <uvm/uvm_extern.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <syslog.h>
#include <fcntl.h>
#include <limits.h>
#include <errno.h>
#include <ifaddrs.h>
#include "dkstats.h"
#undef FSHIFT /* Use protocol's shift and scale values */
#undef FSCALE
#undef DK_NDRIVE
#undef CPUSTATES
#undef if_ipackets
#undef if_ierrors
#undef if_opackets
#undef if_oerrors
#undef if_collisions
#include <rpcsvc/rstat.h>
int cp_xlat[CPUSTATES] = { CP_USER, CP_NICE, CP_SYS, CP_IDLE };
extern int dk_ndrive; /* from dkstats.c */
extern struct _disk cur, last;
char *memf = NULL, *nlistf = NULL;
int hz;
extern int from_inetd;
int sincelastreq = 0; /* number of alarms since last request */
extern int closedown;
union {
struct stats s1;
struct statsswtch s2;
struct statstime s3;
} stats_all;
int stats_service();
void updatestat(int);
void setup(void);
static int stat_is_init = 0;
#ifndef FSCALE
#define FSCALE (1 << 8)
#endif
void
stat_init()
{
stat_is_init = 1;
setup();
updatestat(0);
(void) signal(SIGALRM, updatestat); /* XXX huge signal race */
alarm(1);
}
statstime *
rstatproc_stats_3_svc(arg, rqstp)
void *arg;
struct svc_req *rqstp;
{
if (!stat_is_init)
stat_init();
sincelastreq = 0;
return (&stats_all.s3);
}
statsswtch *
rstatproc_stats_2_svc(arg, rqstp)
void *arg;
struct svc_req *rqstp;
{
if (!stat_is_init)
stat_init();
sincelastreq = 0;
return (&stats_all.s2);
}
stats *
rstatproc_stats_1_svc(arg, rqstp)
void *arg;
struct svc_req *rqstp;
{
if (!stat_is_init)
stat_init();
sincelastreq = 0;
return (&stats_all.s1);
}
u_int *
rstatproc_havedisk_3_svc(arg, rqstp)
void *arg;
struct svc_req *rqstp;
{
static u_int have;
if (!stat_is_init)
stat_init();
sincelastreq = 0;
have = dk_ndrive != 0;
return (&have);
}
u_int *
rstatproc_havedisk_2_svc(arg, rqstp)
void *arg;
struct svc_req *rqstp;
{
return (rstatproc_havedisk_3_svc(arg, rqstp));
}
u_int *
rstatproc_havedisk_1_svc(arg, rqstp)
void *arg;
struct svc_req *rqstp;
{
return (rstatproc_havedisk_3_svc(arg, rqstp));
}
void
updatestat(int sig)
{
int i, mib[2], save_errno = errno;
struct uvmexp uvmexp;
size_t len;
struct if_data *ifdp;
struct ifaddrs *ifaddrs, *ifa;
double avrun[3];
struct timeval tm, btm;
long *cp_time = cur.cp_time;
#ifdef DEBUG
syslog(LOG_DEBUG, "entering updatestat");
#endif
if (sincelastreq >= closedown) {
#ifdef DEBUG
syslog(LOG_DEBUG, "about to closedown");
#endif
if (from_inetd)
_exit(0);
else {
stat_is_init = 0;
errno = save_errno;
return;
}
}
sincelastreq++;
/*
* dkreadstats reads in the "disk_count" as well as the "disklist"
* statistics. It also retrieves "hz" and the "cp_time" array.
*/
dkreadstats();
memset(stats_all.s1.dk_xfer, '\0', sizeof(stats_all.s1.dk_xfer));
for (i = 0; i < dk_ndrive && i < DK_NDRIVE; i++)
stats_all.s1.dk_xfer[i] = cur.dk_xfer[i];
for (i = 0; i < CPUSTATES; i++)
stats_all.s1.cp_time[i] = cp_time[cp_xlat[i]];
(void)getloadavg(avrun, sizeof(avrun) / sizeof(avrun[0]));
stats_all.s2.avenrun[0] = avrun[0] * FSCALE;
stats_all.s2.avenrun[1] = avrun[1] * FSCALE;
stats_all.s2.avenrun[2] = avrun[2] * FSCALE;
mib[0] = CTL_KERN;
mib[1] = KERN_BOOTTIME;
len = sizeof(btm);
if (sysctl(mib, 2, &btm, &len, NULL, 0) < 0) {
syslog(LOG_ERR, "can't sysctl kern.boottime: %m");
_exit(1);
}
stats_all.s2.boottime.tv_sec = btm.tv_sec;
stats_all.s2.boottime.tv_usec = btm.tv_usec;
#ifdef DEBUG
syslog(LOG_DEBUG, "%d %d %d %d", stats_all.s1.cp_time[0],
stats_all.s1.cp_time[1], stats_all.s1.cp_time[2],
stats_all.s1.cp_time[3]);
#endif
mib[0] = CTL_VM;
mib[1] = VM_UVMEXP;
len = sizeof(uvmexp);
if (sysctl(mib, 2, &uvmexp, &len, NULL, 0) < 0) {
syslog(LOG_ERR, "can't sysctl vm.uvmexp: %m");
_exit(1);
}
stats_all.s1.v_pgpgin = uvmexp.fltanget;
stats_all.s1.v_pgpgout = uvmexp.pdpageouts;
stats_all.s1.v_pswpin = uvmexp.swapins;
stats_all.s1.v_pswpout = uvmexp.swapouts;
stats_all.s1.v_intr = uvmexp.intrs;
stats_all.s2.v_swtch = uvmexp.swtch;
gettimeofday(&tm, (struct timezone *) 0);
stats_all.s1.v_intr -= hz*(tm.tv_sec - btm.tv_sec) +
hz*(tm.tv_usec - btm.tv_usec)/1000000;
stats_all.s1.if_ipackets = 0;
stats_all.s1.if_opackets = 0;
stats_all.s1.if_ierrors = 0;
stats_all.s1.if_oerrors = 0;
stats_all.s1.if_collisions = 0;
if (getifaddrs(&ifaddrs) == -1) {
syslog(LOG_ERR, "can't getifaddrs: %m");
_exit(1);
}
for (ifa = ifaddrs; ifa != NULL; ifa = ifa->ifa_next) {
if (ifa->ifa_addr->sa_family != AF_LINK)
continue;
ifdp = (struct if_data *)ifa->ifa_data;
stats_all.s1.if_ipackets += ifdp->ifi_ipackets;
stats_all.s1.if_opackets += ifdp->ifi_opackets;
stats_all.s1.if_ierrors += ifdp->ifi_ierrors;
stats_all.s1.if_oerrors += ifdp->ifi_oerrors;
stats_all.s1.if_collisions += ifdp->ifi_collisions;
}
freeifaddrs(ifaddrs);
stats_all.s3.curtime.tv_sec = tm.tv_sec;
stats_all.s3.curtime.tv_usec = tm.tv_usec;
alarm(1);
errno = save_errno;
}
void
setup()
{
dkinit(0);
}
void
rstat_service(rqstp, transp)
struct svc_req *rqstp;
SVCXPRT *transp;
{
union {
int fill;
} argument;
char *result;
xdrproc_t xdr_argument, xdr_result;
char *(*local) __P((void *, struct svc_req *));
switch (rqstp->rq_proc) {
case NULLPROC:
(void)svc_sendreply(transp, xdr_void, (char *)NULL);
return;
case RSTATPROC_STATS:
xdr_argument = (xdrproc_t)xdr_void;
xdr_result = (xdrproc_t)xdr_statstime;
switch (rqstp->rq_vers) {
case RSTATVERS_ORIG:
local = (char *(*) __P((void *, struct svc_req *)))
rstatproc_stats_1_svc;
break;
case RSTATVERS_SWTCH:
local = (char *(*) __P((void *, struct svc_req *)))
rstatproc_stats_2_svc;
break;
case RSTATVERS_TIME:
local = (char *(*) __P((void *, struct svc_req *)))
rstatproc_stats_3_svc;
break;
default:
svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
return;
}
break;
case RSTATPROC_HAVEDISK:
xdr_argument = (xdrproc_t)xdr_void;
xdr_result = (xdrproc_t)xdr_u_int;
switch (rqstp->rq_vers) {
case RSTATVERS_ORIG:
local = (char *(*) __P((void *, struct svc_req *)))
rstatproc_havedisk_1_svc;
break;
case RSTATVERS_SWTCH:
local = (char *(*) __P((void *, struct svc_req *)))
rstatproc_havedisk_2_svc;
break;
case RSTATVERS_TIME:
local = (char *(*) __P((void *, struct svc_req *)))
rstatproc_havedisk_3_svc;
break;
default:
svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
return;
}
break;
default:
svcerr_noproc(transp);
return;
}
bzero((char *)&argument, sizeof(argument));
if (!svc_getargs(transp, xdr_argument, (caddr_t)&argument)) {
svcerr_decode(transp);
return;
}
result = (*local)(&argument, rqstp);
if (result != NULL && !svc_sendreply(transp, xdr_result, result)) {
svcerr_systemerr(transp);
}
if (!svc_freeargs(transp, xdr_argument, (caddr_t)&argument)) {
syslog(LOG_ERR, "unable to free arguments");
exit(1);
}
}
|
