2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part. Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
25 * Sun Microsystems, Inc.
27 * Mountain View, California 94043
32 static char sccsid[] = "from: @(#)rpc.rstatd.c 1.1 86/09/25 Copyr 1984 Sun Micro";
33 static char sccsid[] = "from: @(#)rstat_proc.c 2.2 88/08/01 4.0 RPCSRC";
35 static const char rcsid[] =
36 "$FreeBSD: src/libexec/rpc.rstatd/rstat_proc.c,v 1.14.2.1 2002/07/11 17:17:56 alfred Exp $";
40 * rstat service: built with rstat.x and derived from rpc.rstatd.c
42 * Copyright (c) 1984 by Sun Microsystems, Inc.
45 #include <sys/types.h>
46 #include <sys/dkstat.h>
47 #include <sys/socket.h>
48 #include <sys/sysctl.h>
50 #include <sys/vmmeter.h>
51 #include <sys/param.h>
66 #include <net/if_mib.h>
68 #undef FSHIFT /* Use protocol's shift and scale values */
75 #include <rpcsvc/rstat.h>
85 int havedisk __P((void));
86 void updatexfers __P((int, int *));
87 void setup __P((void));
90 extern int from_inetd;
91 int sincelastreq = 0; /* number of alarms since last request */
101 static stat_is_init = 0;
104 static int cp_time_xlat[RSTAT_CPUSTATES] = { CP_USER, CP_NICE, CP_SYS,
106 static long bsd_cp_time[CPUSTATES];
110 #define FSCALE (1 << 8)
120 (void) signal(SIGALRM, updatestat);
125 rstatproc_stats_3_svc(argp, rqstp)
127 struct svc_req *rqstp;
132 return(&stats_all.s3);
136 rstatproc_stats_2_svc(argp, rqstp)
138 struct svc_req *rqstp;
143 return(&stats_all.s2);
147 rstatproc_stats_1_svc(argp, rqstp)
149 struct svc_req *rqstp;
154 return(&stats_all.s1);
158 rstatproc_havedisk_3_svc(argp, rqstp)
160 struct svc_req *rqstp;
172 rstatproc_havedisk_2_svc(argp, rqstp)
174 struct svc_req *rqstp;
176 return(rstatproc_havedisk_3_svc(argp, rqstp));
180 rstatproc_havedisk_1_svc(argp, rqstp)
182 struct svc_req *rqstp;
184 return(rstatproc_havedisk_3_svc(argp, rqstp));
191 struct clockinfo clockrate;
193 struct ifmibdata ifmd;
195 struct timeval tm, btm;
201 fprintf(stderr, "entering updatestat\n");
203 if (sincelastreq >= closedown) {
205 fprintf(stderr, "about to closedown\n");
218 mib[1] = KERN_CLOCKRATE;
219 len = sizeof clockrate;
220 if (sysctl(mib, 2, &clockrate, &len, 0, 0) < 0) {
221 syslog(LOG_ERR, "sysctl(kern.clockrate): %m");
226 if (kvm_read(kd, (long)nl[X_CPTIME].n_value, (char *)bsd_cp_time, sizeof(bsd_cp_time))
227 != sizeof(bsd_cp_time)) {
228 syslog(LOG_ERR, "rstat: can't read cp_time from kmem");
231 for(i = 0; i < RSTAT_CPUSTATES ; i++)
232 stats_all.s1.cp_time[i] = bsd_cp_time[cp_time_xlat[i]];
234 (void)getloadavg(avrun, sizeof(avrun) / sizeof(avrun[0]));
236 stats_all.s2.avenrun[0] = avrun[0] * FSCALE;
237 stats_all.s2.avenrun[1] = avrun[1] * FSCALE;
238 stats_all.s2.avenrun[2] = avrun[2] * FSCALE;
241 mib[1] = KERN_BOOTTIME;
243 if (sysctl(mib, 2, &btm, &len, 0, 0) < 0) {
244 syslog(LOG_ERR, "sysctl(kern.boottime): %m");
248 stats_all.s2.boottime.tv_sec = btm.tv_sec;
249 stats_all.s2.boottime.tv_usec = btm.tv_usec;
253 fprintf(stderr, "%d %d %d %d\n", stats_all.s1.cp_time[0],
254 stats_all.s1.cp_time[1], stats_all.s1.cp_time[2], stats_all.s1.cp_time[3]);
257 /* XXX - should use sysctl */
258 if (kvm_read(kd, (long)nl[X_CNT].n_value, (char *)&cnt, sizeof cnt) != sizeof cnt) {
259 syslog(LOG_ERR, "rstat: can't read cnt from kmem");
262 stats_all.s1.v_pgpgin = cnt.v_vnodepgsin;
263 stats_all.s1.v_pgpgout = cnt.v_vnodepgsout;
264 stats_all.s1.v_pswpin = cnt.v_swappgsin;
265 stats_all.s1.v_pswpout = cnt.v_swappgsout;
266 stats_all.s1.v_intr = cnt.v_intr;
267 gettimeofday(&tm, (struct timezone *) 0);
268 stats_all.s1.v_intr -= hz*(tm.tv_sec - btm.tv_sec) +
269 hz*(tm.tv_usec - btm.tv_usec)/1000000;
270 stats_all.s2.v_swtch = cnt.v_swtch;
272 /* update disk transfers */
273 updatexfers(RSTAT_DK_NDRIVE, stats_all.s1.dk_xfer);
277 mib[2] = NETLINK_GENERIC;
278 mib[3] = IFMIB_SYSTEM;
279 mib[4] = IFMIB_IFCOUNT;
280 len = sizeof ifcount;
281 if (sysctl(mib, 5, &ifcount, &len, 0, 0) < 0) {
282 syslog(LOG_ERR, "sysctl(net.link.generic.system.ifcount): %m");
286 stats_all.s1.if_ipackets = 0;
287 stats_all.s1.if_opackets = 0;
288 stats_all.s1.if_ierrors = 0;
289 stats_all.s1.if_oerrors = 0;
290 stats_all.s1.if_collisions = 0;
291 for (i = 1; i <= ifcount; i++) {
293 mib[3] = IFMIB_IFDATA;
295 mib[5] = IFDATA_GENERAL;
296 if (sysctl(mib, 6, &ifmd, &len, 0, 0) < 0) {
297 syslog(LOG_ERR, "sysctl(net.link.ifdata.%d.general)"
302 stats_all.s1.if_ipackets += ifmd.ifmd_data.ifi_ipackets;
303 stats_all.s1.if_opackets += ifmd.ifmd_data.ifi_opackets;
304 stats_all.s1.if_ierrors += ifmd.ifmd_data.ifi_ierrors;
305 stats_all.s1.if_oerrors += ifmd.ifmd_data.ifi_oerrors;
306 stats_all.s1.if_collisions += ifmd.ifmd_data.ifi_collisions;
308 gettimeofday((struct timeval *)&stats_all.s3.curtime,
309 (struct timezone *) 0);
316 char errbuf[_POSIX2_LINE_MAX];
320 if ((kd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, errbuf)) == NULL) {
321 syslog(LOG_ERR, "rpc.rstatd, %s", errbuf);
325 if ((en = kvm_nlist(kd, nl)) != 0) {
326 syslog(LOG_ERR, "rstatd: Can't get namelist. %d", en);
332 * returns true if have a disk
338 struct statinfo stats;
339 int num_devices, retval = 0;
341 if ((num_devices = getnumdevs()) < 0) {
342 syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
347 if (checkversion() < 0) {
348 syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
352 stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
353 bzero(stats.dinfo, sizeof(struct devinfo));
355 if (getdevs(&stats) == -1) {
356 syslog(LOG_ERR, "rstatd: can't get device list: %s",
360 for (i = 0; i < stats.dinfo->numdevs; i++) {
361 if (((stats.dinfo->devices[i].device_type
362 & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
363 && ((stats.dinfo->devices[i].device_type
364 & DEVSTAT_TYPE_PASS) == 0)) {
370 if (stats.dinfo->mem_ptr)
371 free(stats.dinfo->mem_ptr);
378 updatexfers(numdevs, devs)
381 register int i, j, t;
382 struct statinfo stats;
384 u_int64_t total_transfers;
386 if ((num_devices = getnumdevs()) < 0) {
387 syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
392 if (checkversion() < 0) {
393 syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
397 stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
398 bzero(stats.dinfo, sizeof(struct devinfo));
400 if (getdevs(&stats) == -1) {
401 syslog(LOG_ERR, "rstatd: can't get device list: %s",
406 for (i = 0, j = 0; i < stats.dinfo->numdevs && j < numdevs; i++) {
407 if (((stats.dinfo->devices[i].device_type
408 & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
409 && ((stats.dinfo->devices[i].device_type
410 & DEVSTAT_TYPE_PASS) == 0)) {
411 total_transfers = stats.dinfo->devices[i].num_reads +
412 stats.dinfo->devices[i].num_writes +
413 stats.dinfo->devices[i].num_other;
415 * XXX KDM If the total transfers for this device
416 * are greater than the amount we can fit in a
417 * signed integer, just set them to the maximum
418 * amount we can fit in a signed integer. I have a
419 * feeling that the rstat protocol assumes 32-bit
420 * integers, so this could well break on a 64-bit
421 * architecture like the Alpha.
423 if (total_transfers > INT_MAX)
432 if (stats.dinfo->mem_ptr)
433 free(stats.dinfo->mem_ptr);
439 rstat_service(rqstp, transp)
440 struct svc_req *rqstp;
447 bool_t (*xdr_argument)(), (*xdr_result)();
450 switch (rqstp->rq_proc) {
452 (void)svc_sendreply(transp, xdr_void, (char *)NULL);
455 case RSTATPROC_STATS:
456 xdr_argument = xdr_void;
457 xdr_result = xdr_statstime;
458 switch (rqstp->rq_vers) {
460 local = (char *(*)()) rstatproc_stats_1_svc;
462 case RSTATVERS_SWTCH:
463 local = (char *(*)()) rstatproc_stats_2_svc;
466 local = (char *(*)()) rstatproc_stats_3_svc;
469 svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
475 case RSTATPROC_HAVEDISK:
476 xdr_argument = xdr_void;
477 xdr_result = xdr_u_int;
478 switch (rqstp->rq_vers) {
480 local = (char *(*)()) rstatproc_havedisk_1_svc;
482 case RSTATVERS_SWTCH:
483 local = (char *(*)()) rstatproc_havedisk_2_svc;
486 local = (char *(*)()) rstatproc_havedisk_3_svc;
489 svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
496 svcerr_noproc(transp);
499 bzero((char *)&argument, sizeof(argument));
500 if (!svc_getargs(transp, xdr_argument, (caddr_t)&argument)) {
501 svcerr_decode(transp);
504 result = (*local)(&argument, rqstp);
505 if (result != NULL && !svc_sendreply(transp, xdr_result, result)) {
506 svcerr_systemerr(transp);
508 if (!svc_freeargs(transp, xdr_argument, (caddr_t)&argument))
509 errx(1, "unable to free arguments");