+++ /dev/null
-#include <net-snmp/net-snmp-config.h>
-
-#if HAVE_LIMITS_H
-#include <limits.h>
-#endif
-#if HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#if HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#if HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-#include <ctype.h>
-#include <signal.h>
-#if HAVE_MACHINE_PARAM_H
-#include <machine/param.h>
-#endif
-#if HAVE_SYS_VMMETER_H
-#if !defined(bsdi2) && !defined(netbsd1)
-#include <sys/vmmeter.h>
-#endif
-#endif
-#if HAVE_SYS_CONF_H
-#include <sys/conf.h>
-#endif
-#if HAVE_SYS_FS_H
-#include <sys/fs.h>
-#else
-#if HAVE_UFS_FS_H
-#include <ufs/fs.h>
-#else
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-#ifdef HAVE_SYS_VNODE_H
-#include <sys/vnode.h>
-#endif
-#ifdef HAVE_UFS_UFS_QUOTA_H
-#include <ufs/ufs/quota.h>
-#endif
-#ifdef HAVE_UFS_UFS_INODE_H
-#include <ufs/ufs/inode.h>
-#endif
-#if HAVE_UFS_FFS_FS_H
-#include <ufs/ffs/fs.h>
-#endif
-#endif
-#endif
-#if HAVE_MTAB_H
-#include <mtab.h>
-#endif
-#include <sys/stat.h>
-#include <errno.h>
-#if HAVE_FSTAB_H
-#include <fstab.h>
-#endif
-#if HAVE_SYS_STATVFS_H
-#include <sys/statvfs.h>
-#endif
-#if HAVE_SYS_VFS_H
-#include <sys/vfs.h>
-#endif
-#if (!defined(HAVE_STATVFS)) && defined(HAVE_STATFS)
-#if HAVE_SYS_PARAM_H
-#include <sys/param.h>
-#endif
-#if HAVE_SYS_MOUNT_H
-#include <sys/mount.h>
-#endif
-#if HAVE_SYS_SYSCTL_H
-#include <sys/sysctl.h>
-#endif
-#define statvfs statfs
-#endif
-#if HAVE_VM_SWAP_PAGER_H
-#include <vm/swap_pager.h>
-#endif
-#if HAVE_SYS_FIXPOINT_H
-#include <sys/fixpoint.h>
-#endif
-#if HAVE_MALLOC_H
-#include <malloc.h>
-#endif
-#if HAVE_STRING_H
-#include <string.h>
-#else
-#include <strings.h>
-#endif
-#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-
-#include <net-snmp/net-snmp-includes.h>
-#include <net-snmp/agent/net-snmp-agent-includes.h>
-#include <net-snmp/agent/auto_nlist.h>
-
-#include "mibdefs.h"
-#include "struct.h"
-#include "util_funcs.h"
-#include "vmstat.h"
-
-FindVarMethod var_extensible_vmstat;
-
-void
-init_vmstat(void)
-{
- struct variable2 extensible_vmstat_variables[] = {
- {MIBINDEX, ASN_INTEGER, RONLY, var_extensible_vmstat, 1,
- {MIBINDEX}},
- {ERRORNAME, ASN_OCTET_STR, RONLY, var_extensible_vmstat, 1,
- {ERRORNAME}},
- {SWAPIN, ASN_INTEGER, RONLY, var_extensible_vmstat, 1, {SWAPIN}},
- {SWAPOUT, ASN_INTEGER, RONLY, var_extensible_vmstat, 1, {SWAPOUT}},
- {IOSENT, ASN_INTEGER, RONLY, var_extensible_vmstat, 1, {IOSENT}},
- {IORECEIVE, ASN_INTEGER, RONLY, var_extensible_vmstat, 1,
- {IORECEIVE}},
- {SYSINTERRUPTS, ASN_INTEGER, RONLY, var_extensible_vmstat, 1,
- {SYSINTERRUPTS}},
- {SYSCONTEXT, ASN_INTEGER, RONLY, var_extensible_vmstat, 1,
- {SYSCONTEXT}},
- {CPUUSER, ASN_INTEGER, RONLY, var_extensible_vmstat, 1, {CPUUSER}},
- {CPUSYSTEM, ASN_INTEGER, RONLY, var_extensible_vmstat, 1,
- {CPUSYSTEM}},
- {CPUIDLE, ASN_INTEGER, RONLY, var_extensible_vmstat, 1, {CPUIDLE}},
- {CPURAWUSER, ASN_COUNTER, RONLY, var_extensible_vmstat, 1,
- {CPURAWUSER}},
- {CPURAWNICE, ASN_COUNTER, RONLY, var_extensible_vmstat, 1,
- {CPURAWNICE}},
- {CPURAWSYSTEM, ASN_COUNTER, RONLY, var_extensible_vmstat, 1,
- {CPURAWSYSTEM}},
- {CPURAWIDLE, ASN_COUNTER, RONLY, var_extensible_vmstat, 1,
- {CPURAWIDLE}},
- {SYSRAWINTERRUPTS, ASN_COUNTER, RONLY, var_extensible_vmstat, 1,
- {SYSRAWINTERRUPTS}},
- {SYSRAWCONTEXT, ASN_COUNTER, RONLY, var_extensible_vmstat, 1,
- {SYSRAWCONTEXT}},
- /*
- * Future use:
- */
- /*
- * {ERRORFLAG, ASN_INTEGER, RONLY, var_extensible_vmstat, 1, {ERRORFLAG }},
- * {ERRORMSG, ASN_OCTET_STR, RONLY, var_extensible_vmstat, 1, {ERRORMSG }}
- */
- };
-
- /*
- * Define the OID pointer to the top of the mib tree that we're
- * registering underneath
- */
- oid vmstat_variables_oid[] = { UCDAVIS_MIB, 11 };
-
- /*
- * register ourselves with the agent to handle our mib tree
- */
- REGISTER_MIB("ucd-snmp/vmstat", extensible_vmstat_variables, variable2,
- vmstat_variables_oid);
-
-}
-
-
-
-#define VMSTAT_FILE "/proc/stat"
-
-void
-getstat(unsigned long *cuse, unsigned long *cice, unsigned long *csys,
- unsigned long *cide, unsigned long *pin, unsigned long *pout,
- unsigned long *swpin, unsigned long *swpout, unsigned long *itot,
- unsigned long *i1, unsigned long *ct)
-{
- int statfd;
- int first = 1;
- static char *buff = NULL;
- static int bsize = 0;
-
- if ((statfd = open(VMSTAT_FILE, O_RDONLY, 0)) != -1) {
- char *b;
- if (bsize == 0) {
- bsize = 128;
- buff = malloc(bsize);
- }
- while (read(statfd, buff, bsize) == bsize) {
- bsize += 256;
- buff = realloc(buff, bsize);
- DEBUGMSGTL(("vmstat", "/proc/stat buffer increased to %d\n", bsize));
- close(statfd);
- statfd = open(VMSTAT_FILE, O_RDONLY, 0);
- }
- close(statfd);
- *itot = 0;
- *i1 = 1; /* ensure assert below will fail if the sscanf bombs */
- b = strstr(buff, "cpu ");
- if (b)
- sscanf(b, "cpu %lu %lu %lu %lu", cuse, cice, csys, cide);
- else {
- if (first)
- snmp_log(LOG_ERR, "No cpu line in /proc/stat\n");
- *cuse = *cice = *csys = *cide = 0;
- }
- b = strstr(buff, "page ");
- if (b)
- sscanf(b, "page %lu %lu", pin, pout);
- else {
- if (first)
- snmp_log(LOG_ERR, "No page line in /proc/stat\n");
- *pin = *pout = 0;
- }
- b = strstr(buff, "swap ");
- if (b)
- sscanf(b, "swap %lu %lu", swpin, swpout);
- else {
- if (first)
- snmp_log(LOG_ERR, "No swap line in /proc/stat\n");
- *swpin = *swpout = 0;
- }
- b = strstr(buff, "intr ");
- if (b)
- sscanf(b, "intr %lu %lu", itot, i1);
- else {
- if (first)
- snmp_log(LOG_ERR, "No intr line in /proc/stat\n");
- *itot = 0;
- }
- b = strstr(buff, "ctxt ");
- if (b)
- sscanf(b, "ctxt %lu", ct);
- else {
- if (first)
- snmp_log(LOG_ERR, "No ctxt line in /proc/stat\n");
- *ct = 0;
- }
- first = 0;
- } else {
- snmp_log_perror(VMSTAT_FILE);
- }
-}
-
-enum vmstat_index { swapin = 0, swapout,
- iosent, ioreceive,
- sysinterrupts, syscontext,
- cpuuser, cpusystem, cpuidle,
- cpurawuser, cpurawnice,
- cpurawsystem, cpurawidle,
- sysrawinterrupts, sysrawcontext
-};
-
-unsigned
-vmstat(int iindex)
-{
- unsigned long cpu_use, cpu_nic, cpu_sys, cpu_idl;
- double duse, dsys, didl, ddiv, divo2;
- unsigned long pgpgin, pgpgout, pswpin, pswpout;
- unsigned long inter, ticks, ctxt;
- unsigned int hz;
-
- getstat(&cpu_use, &cpu_nic, &cpu_sys, &cpu_idl,
- &pgpgin, &pgpgout, &pswpin, &pswpout, &inter, &ticks, &ctxt);
- duse = cpu_use + cpu_nic;
- dsys = cpu_sys;
- didl = cpu_idl;
- ddiv = (duse + dsys + didl);
- hz = sysconf(_SC_CLK_TCK); /* get ticks/s from system */
- divo2 = ddiv / 2;
-
- switch (iindex) {
- case swapin:
- return (pswpin * 4 * hz + divo2) / ddiv;
- case swapout:
- return (pswpout * 4 * hz + divo2) / ddiv;
- case iosent:
- return (pgpgin * hz + divo2) / ddiv;
- case ioreceive:
- return (pgpgout * hz + divo2) / ddiv;
- case sysinterrupts:
- return (inter * hz + divo2) / ddiv;
- case syscontext:
- return (ctxt * hz + divo2) / ddiv;
- case cpuuser:
- return (100 * duse / ddiv);
- case cpusystem:
- return (100 * dsys / ddiv);
- case cpuidle:
- return (100 * didl / ddiv);
- case cpurawuser:
- return cpu_use;
- case cpurawnice:
- return cpu_nic;
- case cpurawsystem:
- return cpu_sys;
- case cpurawidle:
- return cpu_idl;
- case sysrawinterrupts:
- return inter;
- case sysrawcontext:
- return ctxt;
- default:
- return -1;
- }
-}
-
-unsigned char *
-var_extensible_vmstat(struct variable *vp,
- oid * name,
- size_t * length,
- int exact,
- size_t * var_len, WriteMethod ** write_method)
-{
-
- static long long_ret;
- static char errmsg[300];
-#ifndef linux
- struct vmtotal total;
-#endif
-
- long_ret = 0; /* set to 0 as default */
-
- if (header_generic(vp, name, length, exact, var_len, write_method))
- return (NULL);
- switch (vp->magic) {
- case MIBINDEX:
- long_ret = 1;
- return ((u_char *) (&long_ret));
- case ERRORNAME: /* dummy name */
- sprintf(errmsg, "systemStats");
- *var_len = strlen(errmsg);
- return ((u_char *) (errmsg));
- case SWAPIN:
-#ifdef linux
- long_ret = vmstat(swapin);
-#endif
- return ((u_char *) (&long_ret));
- case SWAPOUT:
-#ifdef linux
- long_ret = vmstat(swapout);
-#endif
- return ((u_char *) (&long_ret));
- case IOSENT:
-#ifdef linux
- long_ret = vmstat(iosent);
-#endif
- return ((u_char *) (&long_ret));
- case IORECEIVE:
-#ifdef linux
- long_ret = vmstat(ioreceive);
-#endif
- return ((u_char *) (&long_ret));
- case SYSINTERRUPTS:
-#ifdef linux
- long_ret = vmstat(sysinterrupts);
-#endif
- return ((u_char *) (&long_ret));
- case SYSCONTEXT:
-#ifdef linux
- long_ret = vmstat(syscontext);
-#endif
- return ((u_char *) (&long_ret));
- case CPUUSER:
-#ifdef linux
- long_ret = vmstat(cpuuser);
-#endif
- return ((u_char *) (&long_ret));
- case CPUSYSTEM:
-#ifdef linux
- long_ret = vmstat(cpusystem);
-#endif
- return ((u_char *) (&long_ret));
- case CPUIDLE:
-#ifdef linux
- long_ret = vmstat(cpuidle);
-#endif
- return ((u_char *) (&long_ret));
- case CPURAWUSER:
-#ifdef linux
- long_ret = vmstat(cpurawuser);
-#endif
- return ((u_char *) (&long_ret));
- case CPURAWNICE:
-#ifdef linux
- long_ret = vmstat(cpurawnice);
-#endif
- return ((u_char *) (&long_ret));
- case CPURAWSYSTEM:
-#ifdef linux
- long_ret = vmstat(cpurawsystem);
-#endif
- return ((u_char *) (&long_ret));
- case CPURAWIDLE:
-#ifdef linux
- long_ret = vmstat(cpurawidle);
-#endif
- return ((u_char *) (&long_ret));
- case SYSRAWINTERRUPTS:
-#ifdef linux
- long_ret = vmstat(sysrawinterrupts);
-#endif
- return ((u_char *) (&long_ret));
- case SYSRAWCONTEXT:
-#ifdef linux
- long_ret = vmstat(sysrawcontext);
-#endif
- return ((u_char *) (&long_ret));
- /*
- * reserved for future use
- */
- /*
- * case ERRORFLAG:
- * return((u_char *) (&long_ret));
- * case ERRORMSG:
- * return((u_char *) (&long_ret));
- */
- }
- return NULL;
-}
projects / bcm963xx.git / blobdiff