/* $NetBSD: rstat_proc.c,v 1.52 2014/06/26 03:24:51 dholland 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 */ #include #if 0 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"; #endif __RCSID("$NetBSD: rstat_proc.c,v 1.52 2014/06/26 03:24:51 dholland Exp $"); /* * rstat service: built with rstat.x and derived from rpc.rstatd.c * * Copyright (c) 1984 by Sun Microsystems, Inc. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "drvstats.h" #include /* * XXX * * this is a huge hack to stop `struct pmap' being * defined twice! */ #define _RPC_PMAP_PROT_H_ #include #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 #define BSD_CPUSTATES 5 /* Use protocol's idea of CPU states */ int cp_xlat[CPUSTATES] = { CP_USER, CP_NICE, CP_SYS, CP_IDLE }; 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; void updatestat(int); void stat_init(void); int havedisk(void); void rstat_service(struct svc_req *, SVCXPRT *); static int stat_is_init = 0; #ifndef FSCALE #define FSCALE (1 << 8) #endif void stat_init(void) { stat_is_init = 1; drvinit(0); updatestat(0); (void) signal(SIGALRM, updatestat); alarm(1); } statstime * rstatproc_stats_3_svc(void *arg, struct svc_req *rqstp) { if (!stat_is_init) stat_init(); sincelastreq = 0; return (&stats_all.s3); } statsswtch * rstatproc_stats_2_svc(void *arg, struct svc_req *rqstp) { if (!stat_is_init) stat_init(); sincelastreq = 0; stats_all.s2.if_opackets = stats_all.s3.if_opackets; return (&stats_all.s2); } stats * rstatproc_stats_1_svc(void *arg, struct svc_req *rqstp) { if (!stat_is_init) stat_init(); sincelastreq = 0; stats_all.s1.if_opackets = stats_all.s3.if_opackets; return (&stats_all.s1); } u_int * rstatproc_havedisk_3_svc(void *arg, struct svc_req *rqstp) { static u_int have; if (!stat_is_init) stat_init(); sincelastreq = 0; have = havedisk(); return (&have); } u_int * rstatproc_havedisk_2_svc(void *arg, struct svc_req *rqstp) { return (rstatproc_havedisk_3_svc(arg, rqstp)); } u_int * rstatproc_havedisk_1_svc(void *arg, struct svc_req *rqstp) { return (rstatproc_havedisk_3_svc(arg, rqstp)); } void updatestat(int dummy) { struct if_nameindex *ifps; struct ifdatareq ifdr; size_t i, len; int mib[2], s; struct uvmexp_sysctl uvmexp; double avrun[3]; struct timeval tm, btm; #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; return; } } sincelastreq++; /* * drvreadstats reads in the "disk_count" as well as the "disklist" * statistics. It also retrieves "hz" and the "cp_time" array. */ drvreadstats(); memset(stats_all.s3.dk_xfer, 0, sizeof(stats_all.s3.dk_xfer)); for (i = 0; i < ndrive && i < DK_NDRIVE; i++) stats_all.s3.dk_xfer[i] = cur.rxfer[i] + cur.wxfer[i]; for (i = 0; i < CPUSTATES; i++) stats_all.s3.cp_time[i] = cur.cp_time[cp_xlat[i]]; (void)getloadavg(avrun, sizeof(avrun) / sizeof(avrun[0])); stats_all.s3.avenrun[0] = avrun[0] * FSCALE; stats_all.s3.avenrun[1] = avrun[1] * FSCALE; stats_all.s3.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"); exit(1); } stats_all.s3.boottime.tv_sec = btm.tv_sec; stats_all.s3.boottime.tv_usec = btm.tv_usec; #ifdef DEBUG syslog(LOG_DEBUG, "%d %d %d %d %d\n", stats_all.s3.cp_time[0], stats_all.s3.cp_time[1], stats_all.s3.cp_time[2], stats_all.s3.cp_time[3], stats_all.s3.cp_time[4]); #endif mib[0] = CTL_VM; mib[1] = VM_UVMEXP2; len = sizeof(uvmexp); if (sysctl(mib, 2, &uvmexp, &len, NULL, 0) < 0) { syslog(LOG_ERR, "can't sysctl vm.uvmexp2"); exit(1); } stats_all.s3.v_pgpgin = uvmexp.fltanget; stats_all.s3.v_pgpgout = uvmexp.pdpageouts; stats_all.s3.v_pswpin = uvmexp.swapins; stats_all.s3.v_pswpout = uvmexp.swapouts; stats_all.s3.v_intr = uvmexp.intrs; stats_all.s3.v_swtch = uvmexp.swtch; gettimeofday(&tm, (struct timezone *) 0); stats_all.s3.v_intr -= hz*(tm.tv_sec - btm.tv_sec) + hz*(tm.tv_usec - btm.tv_usec)/1000000; stats_all.s3.if_ipackets = 0; stats_all.s3.if_opackets = 0; stats_all.s3.if_ierrors = 0; stats_all.s3.if_oerrors = 0; stats_all.s3.if_collisions = 0; ifps = if_nameindex(); if (ifps == NULL) { syslog(LOG_ERR, "can't read interface list from kernel"); exit(1); } s = socket(AF_INET, SOCK_DGRAM, 0); for (i = 0; s != -1 && ifps[i].if_name != NULL; ++i) { strlcpy(ifdr.ifdr_name, ifps[i].if_name, sizeof(ifdr.ifdr_name)); if (ioctl(s, SIOCGIFDATA, &ifdr) != 0) continue; stats_all.s3.if_ipackets += ifdr.ifdr_data.ifi_ipackets; stats_all.s3.if_opackets += ifdr.ifdr_data.ifi_opackets; stats_all.s3.if_ierrors += ifdr.ifdr_data.ifi_ierrors; stats_all.s3.if_oerrors += ifdr.ifdr_data.ifi_oerrors; stats_all.s3.if_collisions += ifdr.ifdr_data.ifi_collisions; } if (s != -1) close(s); if_freenameindex(ifps); stats_all.s3.curtime.tv_sec = tm.tv_sec; stats_all.s3.curtime.tv_usec = tm.tv_usec; alarm(1); } /* * returns true if have a disk */ int havedisk(void) { return ndrive != 0; } void rstat_service(struct svc_req *rqstp, SVCXPRT *transp) { union { int fill; } argument; char *result; xdrproc_t xdr_argument, xdr_result; char *(*local)(void *, struct svc_req *); switch (rqstp->rq_proc) { case NULLPROC: (void)svc_sendreply(transp, (xdrproc_t)xdr_void, NULL); goto leave; case RSTATPROC_STATS: xdr_argument = (xdrproc_t)xdr_void; xdr_result = (xdrproc_t)xdr_statstime; switch (rqstp->rq_vers) { case RSTATVERS_ORIG: local = (char *(*)(void *, struct svc_req *)) rstatproc_stats_1_svc; break; case RSTATVERS_SWTCH: local = (char *(*)(void *, struct svc_req *)) rstatproc_stats_2_svc; break; case RSTATVERS_TIME: local = (char *(*)(void *, struct svc_req *)) rstatproc_stats_3_svc; break; default: svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME); goto leave; } 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 *(*)(void *, struct svc_req *)) rstatproc_havedisk_1_svc; break; case RSTATVERS_SWTCH: local = (char *(*)(void *, struct svc_req *)) rstatproc_havedisk_2_svc; break; case RSTATVERS_TIME: local = (char *(*)(void *, struct svc_req *)) rstatproc_havedisk_3_svc; break; default: svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME); goto leave; } break; default: svcerr_noproc(transp); goto leave; } memset((char *)&argument, 0, sizeof(argument)); if (!svc_getargs(transp, xdr_argument, (caddr_t)&argument)) { svcerr_decode(transp); goto leave; } 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)) { (void)fprintf(stderr, "unable to free arguments\n"); exit(1); } leave: if (from_inetd) exit(0); }