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/*
* swrun_kvm_proc.c:
* hrSWRunTable data access:
* kvm_getproc() interface - Solaris
*/
#include <net-snmp/net-snmp-config.h>
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_SYS_USER_H
#define _KMEMUSER
#include <sys/user.h>
#endif
#ifdef HAVE_SYS_PROC_H
#include <sys/proc.h>
#endif
/* XXX - should really be protected */
#include <sys/var.h>
#ifdef HAVE_DIRENT_H
#include <dirent.h>
#endif
#ifdef HAVE_KVM_H
#include <kvm.h>
#endif
#ifdef HAVE_KSTAT_H
#include <kstat.h>
#endif
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include <net-snmp/library/container.h>
#include <net-snmp/library/snmp_debug.h>
#include <net-snmp/data_access/swrun.h>
#include "kernel.h"
#include "kernel_sunos5.h"
/* ---------------------------------------------------------------------
*/
void
netsnmp_arch_swrun_init(void)
{
extern int _swrun_max;
kstat_ctl_t *ksc;
kstat_t *ks;
struct var v;
if (NULL != (ksc = kstat_open())) {
if ((NULL != (ks = kstat_lookup(ksc, "unix", 0, "var"))) &&
( -1 != kstat_read(ksc, ks, &v ))) {
_swrun_max = v.v_proc;
}
kstat_close(ksc);
}
return;
}
/* ---------------------------------------------------------------------
*/
int
netsnmp_arch_swrun_container_load( netsnmp_container *container, u_int flags)
{
DIR *procdir = NULL;
struct dirent *procentry_p;
struct proc *proc_buf;
int pid, rc, i;
char *cp;
netsnmp_swrun_entry *entry;
/*
* Even if we're using kvm_proc() to retrieve information
* about a particular process, we seem to use /proc to get
* the initial list of processes to report on.
*/
procdir = opendir("/proc");
if ( NULL == procdir ) {
snmp_log( LOG_ERR, "Failed to open /proc" );
return -1;
}
/*
* Walk through the list of processes in the /proc tree
*/
while ( NULL != (procentry_p = readdir( procdir ))) {
pid = atoi( procentry_p->d_name );
if ( 0 == pid )
continue; /* Presumably '.' or '..' */
entry = netsnmp_swrun_entry_create(pid);
if (NULL == entry)
continue; /* error already logged by function */
if (NULL == (proc_buf = kvm_getproc( kd, pid))) {
/* release entry */
continue;
}
rc = CONTAINER_INSERT(container, entry);
entry->hrSWRunName_len = snprintf(entry->hrSWRunName,
sizeof(entry->hrSWRunName)-1,
"%s", proc_buf->p_user.u_comm);
/*
* Split u_psargs into two:
* argv[0] is hrSWRunPath
* argv[1..] is hrSWRunParameters
*/
for ( cp = proc_buf->p_user.u_psargs; ' ' == *cp; cp++ )
;
*cp = '\0'; /* End of argv[0] */
entry->hrSWRunPath_len = snprintf(entry->hrSWRunPath,
sizeof(entry->hrSWRunPath)-1,
"%s", proc_buf->p_user.u_psargs);
entry->hrSWRunParameters_len = snprintf(entry->hrSWRunParameters,
sizeof(entry->hrSWRunParameters)-1,
"%s", cp+1);
*cp = ' '; /* Restore u_psargs value */
/*
* check for system processes
*/
entry->hrSWRunType = (SSYS & proc_buf->p_flag)
? 2 /* kernel process */
: 4 /* application */
;
switch (proc_buf->p_stat) {
case SRUN:
case SONPROC: entry->hrSWRunStatus = HRSWRUNSTATUS_RUNNING;
break;
case SSLEEP: entry->hrSWRunStatus = HRSWRUNSTATUS_RUNNABLE;
break;
case SSTOP: entry->hrSWRunStatus = HRSWRUNSTATUS_NOTRUNNABLE;
break;
case SIDL:
case SZOMB:
default: entry->hrSWRunStatus = HRSWRUNSTATUS_INVALID;
break;
}
entry->hrSWRunPerfCPU = (proc_buf->p_utime * 100);
entry->hrSWRunPerfCPU += (proc_buf->p_stime * 100);
entry->hrSWRunPerfMem = proc_buf->p_swrss;
/* XXX - is this reported in kB? */
}
closedir( procdir );
DEBUGMSGTL(("swrun:load:arch"," loaded %d entries\n",
CONTAINER_SIZE(container)));
return 0;
}
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