/**
Constructor
*/
OSInstance::OSInstance() :
EntityInstance(true)
{
m_log = SCXLogHandleFactory::GetLogHandle(moduleIdentifier);
SCX_LOGTRACE(m_log, L"OSInstance constructor");
// Do various initiation that can be done once and for all
#if defined(linux)
PrecomputeMaxProcesses();
#elif defined(sun)
/* Nothing yet */
#elif defined(hpux)
/* Get information the system static variables (guaranteed constant until reboot) */
m_psts_isValid = true;
if (pstat_getstatic(&m_psts, sizeof(m_psts), 1, 0) < 0) {
SCX_LOGERROR(m_log, StrAppend(L"Could not do pstat_getstatic(). errno = ", errno));
m_psts_isValid = false;
}
// Compute the boot time once and for all
SetBootTime();
#elif defined(aix)
/* Nothing yet */
#else
#error "Not implemented for this platform."
#endif
}
/*
* Returns boottime in centiseconds(!).
* Caches this for future use.
*/
long
get_boottime(void)
{
static long boottime_csecs = 0;
#if defined(hpux10) || defined(hpux11)
struct pst_static pst_buf;
#else
struct timeval boottime;
#ifdef NETSNMP_CAN_USE_SYSCTL
int mib[2];
size_t len;
#elif defined(NETSNMP_CAN_USE_NLIST)
int kmem;
static struct nlist nl[] = {
#if !defined(hpux)
{(char *) "_boottime"},
#else
{(char *) "boottime"},
#endif
{(char *) ""}
};
#endif /* NETSNMP_CAN_USE_SYSCTL */
#endif /* hpux10 || hpux 11 */
if (boottime_csecs != 0)
return (boottime_csecs);
#if defined(hpux10) || defined(hpux11)
pstat_getstatic(&pst_buf, sizeof(struct pst_static), 1, 0);
boottime_csecs = pst_buf.boot_time * 100;
#elif NETSNMP_CAN_USE_SYSCTL
mib[0] = CTL_KERN;
mib[1] = KERN_BOOTTIME;
len = sizeof(boottime);
sysctl(mib, 2, &boottime, &len, NULL, 0);
boottime_csecs = (boottime.tv_sec * 100) + (boottime.tv_usec / 10000);
#elif defined(NETSNMP_CAN_USE_NLIST)
if ((kmem = open("/dev/kmem", 0)) < 0)
return 0;
nlist(KERNEL_LOC, nl);
if (nl[0].n_type == 0) {
close(kmem);
return 0;
}
lseek(kmem, (long) nl[0].n_value, L_SET);
read(kmem, &boottime, sizeof(boottime));
close(kmem);
boottime_csecs = (boottime.tv_sec * 100) + (boottime.tv_usec / 10000);
#else
return 0;
#endif /* hpux10 || hpux 11 */
return (boottime_csecs);
}
/* ---------------------------------------------------------------------
*/
void
netsnmp_arch_swrun_init(void)
{
extern int _swrun_max;
struct pst_static pst_buf;
pstat_getstatic( &pst_buf, sizeof(struct pst_static), 1, 0);
_swrun_max = pst_buf.max_proc;
return;
}
unsigned long
HpuxSysUpTime::SysUpTime()
{
unsigned long retVal = 0;
time_t t = time(0);
struct pst_static pst;
if (pstat_getstatic(&pst, sizeof(pst), (size_t)1, 0) != -1)
retVal = ((unsigned long)difftime(t, pst.boot_time)) * 100;
return retVal;
}
//-----------------------------------------------------------------------------
// HpuxProcessStats::init
//-----------------------------------------------------------------------------
PRStatus HpuxProcessStats::init()
{
struct pst_static s_pst_static;
memset(&s_pst_static,sizeof(s_pst_static),0);
if(pstat_getstatic(&s_pst_static, sizeof(s_pst_static),1,0)==-1){
ereport(LOG_FAILURE, XP_GetAdminStr(DBT_ProcessStats_OpenFailed), system_errmsg());
return PR_FAILURE;
}
long page_size = s_pst_static.page_size;
page_size_kb = page_size/1024;
mem_total_kb = s_pst_static.physical_memory * page_size_kb;
return PR_SUCCESS;
}
struct pst_KMemoryInfo::static* sg_get_pstat_static()
{
static int got = 0;
static struct pst_static pst;
if (!got)
{
if (pstat_getstatic(&pst, sizeof pst, 1, 0) == -1)
{
//sg_set_error_with_errno(SG_ERROR_PSTAT, "pstat_static");
return NULL;
}
got = 1;
}
return &pst;
}
int init_process_info_sysdep(void) {
struct pst_dynamic psd;
struct pst_static pst;
if (pstat_getdynamic(&psd,sizeof(psd),(size_t)1,0) != -1)
systeminfo.cpus=psd.psd_proc_cnt;
else
return FALSE;
if (pstat_getstatic(&pst, sizeof(pst), (size_t) 1, 0) != -1) {
systeminfo.mem_kbyte_max=(unsigned long)(pst.physical_memory * (pst.page_size / 1024));
page_size=pst.page_size;
} else {
return FALSE;
}
return TRUE;
}
int sigar_os_open(sigar_t **sigar)
{
*sigar = malloc(sizeof(**sigar));
/* does not change while system is running */
pstat_getstatic(&(*sigar)->pstatic,
sizeof((*sigar)->pstatic),
1, 0);
(*sigar)->ticks = sysconf(_SC_CLK_TCK);
(*sigar)->last_pid = -1;
(*sigar)->pinfo = NULL;
(*sigar)->mib = -1;
return SIGAR_OK;
}
static sg_error
sg_get_mem_stats_int(sg_mem_stats *mem_stats_buf) {
#ifdef HPUX
struct pst_static pstat_static;
struct pst_dynamic pstat_dynamic;
#elif defined(SOLARIS)
# ifdef _SC_PHYS_PAGES
long phystotal;
long physav;
# else
kstat_ctl_t *kc;
kstat_t *ksp;
kstat_named_t *kn;
# endif
#elif defined(LINUX) || defined(CYGWIN)
#define LINE_BUF_SIZE 256
char *line_ptr, line_buf[LINE_BUF_SIZE];
long long value;
FILE *f;
#elif defined(HAVE_HOST_STATISTICS) || defined(HAVE_HOST_STATISTICS64)
# if defined(HAVE_HOST_STATISTICS64)
struct vm_statistics64 vm_stats;
# else
struct vm_statistics vm_stats;
# endif
mach_msg_type_number_t count;
kern_return_t rc;
#elif defined(HAVE_STRUCT_UVMEXP_SYSCTL) && defined(VM_UVMEXP2)
int mib[2];
struct uvmexp_sysctl uvm;
size_t size = sizeof(uvm);
#elif defined(HAVE_STRUCT_UVMEXP) && defined(VM_UVMEXP)
int mib[2];
struct uvmexp uvm;
size_t size = sizeof(uvm);
#elif defined(FREEBSD) || defined(DFBSD)
size_t size;
unsigned int total_count;
unsigned int free_count;
unsigned int cache_count;
unsigned int inactive_count;
#elif defined(HAVE_STRUCT_VMTOTAL)
struct vmtotal vmtotal;
size_t size;
#if defined(HW_PHYSMEM) || defined(HW_USERMEM)
int mib[2];
# if defined(HW_PHYSMEM)
u_long total_mem;
# endif
# if defined(HW_USERMEM)
u_long user_mem;
# endif
#endif
#elif defined(AIX)
perfstat_memory_total_t mem;
#elif defined(WIN32)
MEMORYSTATUSEX memstats;
#endif
#if defined(HPUX)
if (pstat_getdynamic(&pstat_dynamic, sizeof(pstat_dynamic), 1, 0) == -1) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("mem", SG_ERROR_PSTAT, "pstat_dynamic");
}
/*
* from man pstat_getstatic:
*
* pstat_getstatic() returns information about the system. Although
* this data usually does not change frequently, it may change while
* the system is running due to manually or automatically generated
* administrative changes in the associated kernel tunables, online
* addition/deletion of resources, or other events. There is one
* global instance of this context.
*
* ==> Can't hold this value globally static.
*/
if( pstat_getstatic(&pstat_static, sizeof(pstat_static), 1, 0) == -1 ) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("mem", SG_ERROR_PSTAT, "pstat_static");
}
mem_stats_buf->total = ((long long) pstat_static.physical_memory) * pstat_static.page_size;
mem_stats_buf->free = ((long long) pstat_dynamic.psd_free) * pstat_static.page_size;
mem_stats_buf->used = mem_stats_buf->total - mem_stats_buf->free;
#elif defined(AIX)
/* return code is number of structures returned */
if(perfstat_memory_total(NULL, &mem, sizeof(perfstat_memory_total_t), 1) != 1) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("mem", SG_ERROR_SYSCTLBYNAME, "perfstat_memory_total");
}
mem_stats_buf->total = (unsigned long long) mem.real_total;
mem_stats_buf->total *= sys_page_size;
mem_stats_buf->used = (unsigned long long) mem.real_inuse;
mem_stats_buf->used *= sys_page_size;
mem_stats_buf->cache = (unsigned long long) mem.numperm;
mem_stats_buf->cache *= sys_page_size;
mem_stats_buf->free = (unsigned long long) mem.real_free;
mem_stats_buf->free *= sys_page_size;
#elif defined(SOLARIS)
# ifdef _SC_PHYS_PAGES
if( ( phystotal = sysconf(_SC_PHYS_PAGES) ) < 0 ) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("mem", SG_ERROR_SYSCONF, "_SC_PHYS_PAGES");
}
if( ( physav = sysconf(_SC_AVPHYS_PAGES) ) < 0 ) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("mem", SG_ERROR_SYSCONF, "_SC_AVPHYS_PAGES");
}
mem_stats_buf->total = ((unsigned long long)phystotal) * ((unsigned long long)sys_page_size);
mem_stats_buf->free = ((unsigned long long)physav) * ((unsigned long long)sys_page_size);
# else
if( (kc = kstat_open()) == NULL ) {
RETURN_WITH_SET_ERROR("mem", SG_ERROR_KSTAT_OPEN, NULL);
}
if((ksp=kstat_lookup(kc, "unix", 0, "system_pages")) == NULL) {
RETURN_WITH_SET_ERROR("mem", SG_ERROR_KSTAT_LOOKUP, "unix,0,system_pages");
}
if (kstat_read(kc, ksp, 0) == -1) {
RETURN_WITH_SET_ERROR("mem", SG_ERROR_KSTAT_READ, NULL);
}
if((kn=kstat_data_lookup(ksp, "physmem")) == NULL) {
RETURN_WITH_SET_ERROR("mem", SG_ERROR_KSTAT_DATA_LOOKUP, "physmem");
}
mem_stats_buf->total = ((unsigned long long)kn->value.ul) * ((unsigned long long)sys_page_size);
if((kn=kstat_data_lookup(ksp, "freemem")) == NULL) {
RETURN_WITH_SET_ERROR("mem", SG_ERROR_KSTAT_DATA_LOOKUP, "freemem");
}
mem_stats_buf->free = ((unsigned long long)kn->value.ul) * ((unsigned long long)sys_page_size);
kstat_close(kc);
# endif
mem_stats_buf->used = mem_stats_buf->total - mem_stats_buf->free;
mem_stats_buf->cache = 0;
#elif defined(LINUX) || defined(CYGWIN)
if ((f = fopen("/proc/meminfo", "r")) == NULL) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("mem", SG_ERROR_OPEN, "/proc/meminfo");
}
#define MEM_TOTAL_PREFIX "MemTotal:"
#define MEM_FREE_PREFIX "MemFree:"
#define MEM_CACHED_PREFIX "Cached:"
while ((line_ptr = fgets(line_buf, sizeof(line_buf), f)) != NULL) {
if ( sscanf(line_buf, "%*s %lld kB", &value) != 1)
continue;
if (strncmp(line_buf, MEM_TOTAL_PREFIX, sizeof(MEM_TOTAL_PREFIX) - 1) == 0)
mem_stats_buf->total = value;
else if (strncmp(line_buf, MEM_FREE_PREFIX, sizeof(MEM_FREE_PREFIX) - 1) == 0)
mem_stats_buf->free = value;
else if (strncmp(line_buf, MEM_CACHED_PREFIX, sizeof(MEM_CACHED_PREFIX) - 1) == 0)
mem_stats_buf->cache = value;
}
mem_stats_buf->free += mem_stats_buf->cache;
mem_stats_buf->total *= 1024;
mem_stats_buf->free *= 1024;
mem_stats_buf->cache *= 1024;
#undef MEM_TOTAL_PREFIX
#undef MEM_FREE_PREFIX
#undef MEM_CACHED_PREFIX
fclose(f);
mem_stats_buf->used = mem_stats_buf->total - mem_stats_buf->free;
#elif defined(HAVE_STRUCT_UVMEXP_SYSCTL) && defined(VM_UVMEXP2)
mib[0] = CTL_VM;
mib[1] = VM_UVMEXP2;
if (sysctl(mib, 2, &uvm, &size, NULL, 0) < 0) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("mem", SG_ERROR_SYSCTL, "CTL_VM.VM_UVMEXP2");
}
mem_stats_buf->total = uvm.npages;
mem_stats_buf->cache = uvm.filepages + uvm.execpages;
mem_stats_buf->free = uvm.free + mem_stats_buf->cache;
mem_stats_buf->total *= uvm.pagesize;
mem_stats_buf->cache *= uvm.pagesize;
mem_stats_buf->free *= uvm.pagesize;
mem_stats_buf->used = mem_stats_buf->total - mem_stats_buf->free;
#elif defined(HAVE_STRUCT_UVMEXP) && defined(VM_UVMEXP)
mib[0] = CTL_VM;
mib[1] = VM_UVMEXP;
if (sysctl(mib, 2, &uvm, &size, NULL, 0) < 0) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("mem", SG_ERROR_SYSCTL, "CTL_VM.VM_UVMEXP");
}
mem_stats_buf->total = uvm.npages;
mem_stats_buf->cache = 0;
# if defined(HAVE_STRUCT_UVMEXP_FILEPAGES)
mem_stats_buf->cache += uvm.filepages;
# endif
# if defined(HAVE_STRUCT_UVMEXP_EXECPAGES)
mem_stats_buf->cache += uvm.execpages;
# endif
mem_stats_buf->free = uvm.free + mem_stats_buf->cache;
mem_stats_buf->total *= uvm.pagesize;
mem_stats_buf->cache *= uvm.pagesize;
mem_stats_buf->free *= uvm.pagesize;
mem_stats_buf->used = mem_stats_buf->total - mem_stats_buf->free;
#elif defined(HAVE_HOST_STATISTICS) || defined(HAVE_HOST_STATISTICS64)
# if defined(HAVE_HOST_STATISTICS64)
count = HOST_VM_INFO64_COUNT;
rc = host_statistics64(self_host_port, HOST_VM_INFO64, (host_info64_t)(&vm_stats), &count);
# else
count = HOST_VM_INFO_COUNT;
rc = host_statistics(self_host_port, HOST_VM_INFO, (host_info_t)(&vm_stats), &count);
# endif
if( rc != KERN_SUCCESS ) {
RETURN_WITH_SET_ERROR_WITH_ERRNO_CODE( "mem", SG_ERROR_MACHCALL, rc, "host_statistics" );
}
/*
* XXX check host_info(host_basic_info) ... for memory_size */
mem_stats_buf->free = vm_stats.free_count - vm_stats.speculative_count;
mem_stats_buf->free += vm_stats.inactive_count;
mem_stats_buf->free *= (size_t)sys_page_size;
mem_stats_buf->total = vm_stats.active_count + vm_stats.wire_count +
vm_stats.inactive_count + vm_stats.free_count;
mem_stats_buf->total *= (size_t)sys_page_size;
mem_stats_buf->used = mem_stats_buf->total - mem_stats_buf->free;
mem_stats_buf->cache = 0;
#elif defined(FREEBSD) || defined(DFBSD)
/*returns pages*/
size = sizeof(total_count);
if (sysctlbyname("vm.stats.vm.v_page_count", &total_count, &size, NULL, 0) < 0) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("mem", SG_ERROR_SYSCTLBYNAME, "vm.stats.vm.v_page_count");
}
/*returns pages*/
size = sizeof(free_count);
if (sysctlbyname("vm.stats.vm.v_free_count", &free_count, &size, NULL, 0) < 0) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("mem", SG_ERROR_SYSCTLBYNAME, "vm.stats.vm.v_free_count");
}
size = sizeof(inactive_count);
if (sysctlbyname("vm.stats.vm.v_inactive_count", &inactive_count , &size, NULL, 0) < 0) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("mem", SG_ERROR_SYSCTLBYNAME, "vm.stats.vm.v_inactive_count");
}
size = sizeof(cache_count);
if (sysctlbyname("vm.stats.vm.v_cache_count", &cache_count, &size, NULL, 0) < 0) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("mem", SG_ERROR_SYSCTLBYNAME, "vm.stats.vm.v_cache_count");
}
/* Of couse nothing is ever that simple :) And I have inactive pages to
* deal with too. So I'm going to add them to free memory :)
*/
mem_stats_buf->cache = (size_t)cache_count;
mem_stats_buf->cache *= (size_t)sys_page_size;
mem_stats_buf->total = (size_t)total_count;
mem_stats_buf->total *= (size_t)sys_page_size;
mem_stats_buf->free = (size_t)free_count + inactive_count + cache_count;
mem_stats_buf->free *= (size_t)sys_page_size;
mem_stats_buf->used = mem_stats_buf->total - mem_stats_buf->free;
#elif defined(WIN32)
memstats.dwLength = sizeof(memstats);
if (!GlobalMemoryStatusEx(&memstats)) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("mem", SG_ERROR_MEMSTATUS, NULL);
}
mem_stats_buf->free = memstats.ullAvailPhys;
mem_stats_buf->total = memstats.ullTotalPhys;
mem_stats_buf->used = mem_stat.total - mem_stat.free;
if(read_counter_large(SG_WIN32_MEM_CACHE, &mem_stats_buf->cache))
mem_stats_buf->cache = 0;
#elif defined(HAVE_STRUCT_VMTOTAL)
/* The code in this section is based on the code in the OpenBSD
* top utility, located at src/usr.bin/top/machine.c in the
* OpenBSD source tree.
*
* For fun, and like OpenBSD top, we will do the multiplication
* converting the memory stats in pages to bytes in base 2.
*/
size = sizeof(vmtotal);
if (sysctl(vmtotal_mib, 2, &vmtotal, &size, NULL, 0) < 0) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("mem", SG_ERROR_SYSCTLBYNAME, "vm.vmtotal");
}
/* Convert the raw stats to bytes, and return these to the caller
*/
mem_stats_buf->used = (unsigned long long)vmtotal.t_rm; /* total real mem in use */
mem_stats_buf->used *= sys_page_size;
/* XXX scan top source to look how it determines cache size */
mem_stats_buf->cache = 0; /* no cache stats */
mem_stats_buf->free = (unsigned long long)vmtotal.t_free; /* free memory pages */
mem_stats_buf->free *= sys_page_size;
# ifdef HW_PHYSMEM
mib[0] = CTL_HW;
mib[1] = HW_PHYSMEM;
size = sizeof(total_mem);
if (sysctl(mib, 2, &total_mem, &size, NULL, 0) < 0) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("mem", SG_ERROR_SYSCTL, "CTL_HW.HW_PHYSMEM");
}
mem_stats_buf->total = total_mem;
# else
mem_stats_buf->total = (mem_stats_buf->used + mem_stats_buf->free);
# endif
# ifdef HW_USERMEM
mib[0] = CTL_HW;
mib[1] = HW_USERMEM;
size = sizeof(user_mem);
if (sysctl(mib, 2, &user_mem, &size, NULL, 0) < 0) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("mem", SG_ERROR_SYSCTL, "CTL_HW.HW_USERMEM");
}
mem_stats_buf->used += total_mem - user_mem;
# endif
#else
RETURN_WITH_SET_ERROR("mem", SG_ERROR_UNSUPPORTED, OS_TYPE);
#endif
mem_stats_buf->systime = time(NULL);
return SG_ERROR_NONE;
}
/**
* This routine returns kbyte of real memory in use.
* @return: TRUE if successful, FALSE if failed (or not available)
*/
int used_system_memory_sysdep(SystemInfo_T *si) {
int i, n, num;
struct pst_static pst;
struct pst_dynamic psd;
struct swaptable *s;
char *strtab;
unsigned long long total = 0ULL;
unsigned long long used = 0ULL;
/* Memory */
if(pstat_getstatic(&pst, sizeof(pst), (size_t)1, 0) == -1) {
LogError("system statistic error -- pstat_getstatic failed: %s\n", STRERROR);
return FALSE;
}
if(pstat_getdynamic(&psd, sizeof(psd), (size_t)1, 0) == -1) {
LogError("system statistic error -- pstat_getdynamic failed: %s\n", STRERROR);
return FALSE;
}
si->total_mem_kbyte = (unsigned long)((pst.physical_memory - psd.psd_free) * (pst.page_size/1024));
/* Swap */
again:
if ((num = swapctl(SC_GETNSWP, 0)) == -1) {
LogError("system statistic error -- swap usage gathering failed: %s\n", STRERROR);
return FALSE;
}
if (num == 0) {
DEBUG("system statistic -- no swap configured\n");
si->swap_kbyte_max = 0;
return TRUE;
}
s = (struct swaptable *)ALLOC(num * sizeof(struct swapent) + sizeof(struct swaptable));
strtab = (char *)ALLOC((num + 1) * MAXSTRSIZE);
for (i = 0; i < (num + 1); i++)
s->swt_ent[i].ste_path = strtab + (i * MAXSTRSIZE);
s->swt_n = num + 1;
if ((n = swapctl(SC_LIST, s)) < 0) {
LogError("system statistic error -- swap usage gathering failed: %s\n", STRERROR);
si->swap_kbyte_max = 0;
FREE(s);
FREE(strtab);
return FALSE;
}
if (n > num) {
DEBUG("system statistic -- new swap added: deferring swap usage statistics to next cycle\n");
FREE(s);
FREE(strtab);
goto again;
}
for (i = 0; i < n; i++) {
if (!(s->swt_ent[i].ste_flags & ST_INDEL) && !(s->swt_ent[i].ste_flags & ST_DOINGDEL)) {
total += s->swt_ent[i].ste_pages;
used += s->swt_ent[i].ste_pages - s->swt_ent[i].ste_free;
}
}
FREE(s);
FREE(strtab);
si->swap_kbyte_max = (unsigned long)(double)(total * page_size) / 1024.;
si->total_swap_kbyte = (unsigned long)(double)(used * page_size) / 1024.;
return TRUE;
}
void
init_hr_storage(void)
{
#ifdef USE_SYSCTL
int mib[2];
size_t len;
#elif defined(hpux10) || defined(hpux11)
struct pst_static pst_buf;
#endif
#ifdef USE_SYSCTL
mib[0] = CTL_HW;
mib[1] = HW_PHYSMEM;
len = sizeof(physmem);
if (sysctl(mib, 2, &physmem, &len, NULL, 0) == -1)
snmp_log_perror("sysctl: physmem");
mib[1] = HW_PAGESIZE;
len = sizeof(pagesize);
if (sysctl(mib, 2, &pagesize, &len, NULL, 0) == -1)
snmp_log_perror("sysctl: pagesize");
physmem /= pagesize;
#elif defined(hpux10) || defined(hpux11)
if (pstat_getstatic(&pst_buf, sizeof(struct pst_static), 1, 0) < 0) {
snmp_log_perror("pstat_getstatic");
} else {
physmem = pst_buf.physical_memory;
pagesize = pst_buf.page_size;
}
#else /* !USE_SYSCTL && !hpux10 && !hpux11 */
#ifndef WIN32
#ifdef HAVE_GETPAGESIZE
pagesize = getpagesize();
#elif defined(_SC_PAGESIZE)
pagesize = sysconf(_SC_PAGESIZE);
#elif defined(PGSHIFT)
pagesize = 1 << PGSHIFT;
#elif defined(PAGE_SHIFT)
pagesize = 1 << PAGE_SHIFT;
#elif defined(PAGE_SIZE)
pagesize = PAGE_SIZE;
#elif defined(linux)
{
struct stat kc_buf;
if (stat("/proc/kcore", &kc_buf) == -1)
snmp_log_perror("/proc/kcore");
pagesize = kc_buf.st_size / 1024; /* 4K too large ? */
}
#else
pagesize = PAGESIZE;
#endif
#else /* WIN32 */
pagesize = 4096; /* Yes...Yes it does. */
#endif
#ifdef _SC_PHYS_PAGES
physmem = sysconf(_SC_PHYS_PAGES);
#else
#ifdef dynix
physmem = sysconf(_SC_PHYSMEM);
#else
auto_nlist(PHYSMEM_SYMBOL, (char *) &physmem, sizeof(physmem));
#endif
#endif
#endif /* !USE_SYSCTL && !hpux10 && !hpux11 */
#ifdef TOTAL_MEMORY_SYMBOL
auto_nlist(TOTAL_MEMORY_SYMBOL, 0, 0);
#endif
#ifdef MBSTAT_SYMBOL
auto_nlist(MBSTAT_SYMBOL, 0, 0);
#endif
#if defined(darwin8)
myHost = mach_host_self();
#endif
REGISTER_MIB("host/hr_storage", hrstore_variables, variable4,
hrstore_variables_oid);
snmpd_register_config_handler("storageUseNFS", parse_storage_config, NULL,
"1 | 2\t\t(1 = enable, 2 = disable)");
}
/*
* Load the latest memory usage statistics
*/
int netsnmp_mem_arch_load( netsnmp_cache *cache, void *magic ) {
struct pst_static pst;
struct pst_dynamic psd;
netsnmp_memory_info *mem;
long total_swap = 0;
long free_swap = 0;
long size = 0;
/*
* Retrieve the memory information from the underlying O/S...
*/
if (pstat_getstatic(&pst, sizeof(pst), (size_t) 1, 0) == -1) {
snmp_log(LOG_ERR, "memory_hpux: pstat_getstatic failed!\n");
return -1;
}
if (pstat_getdynamic(&psd, sizeof(psd), (size_t) 1, 0) == -1) {
snmp_log(LOG_ERR, "memory_hpux: pstat_getdynamic failed!\n");
return -1;
}
mem = netsnmp_memory_get_byIdx( NETSNMP_MEM_TYPE_PHYSMEM, 1 );
if (!mem) {
snmp_log_perror("No Memory info entry");
} else {
if (!mem->descr)
mem->descr = strdup( "Physical memory" );
mem->units = pst.page_size;
mem->size = pst.physical_memory;
mem->free = psd.psd_free;
mem->other = -1;
}
get_swapinfo(&total_swap, &free_swap, &size);
mem = netsnmp_memory_get_byIdx( NETSNMP_MEM_TYPE_SWAP, 1 );
if (!mem) {
snmp_log_perror("No Swap info entry");
} else {
if (!mem->descr)
mem->descr = strdup( "Swap space (total)" );
mem->units = size;
mem->size = total_swap;
mem->free = free_swap;
mem->other = -1;
}
mem = netsnmp_memory_get_byIdx( NETSNMP_MEM_TYPE_STEXT, 1 );
if (!mem) {
snmp_log_perror("No Swap text entry");
} else {
if (!mem->descr)
mem->descr = strdup( "Swapped text pages" );
mem->units = pst.page_size;
mem->size = psd.psd_vmtxt;
mem->free = psd.psd_avmtxt;
mem->other = -1;
}
mem = netsnmp_memory_get_byIdx( NETSNMP_MEM_TYPE_RTEXT, 1 );
if (!mem) {
snmp_log_perror("No real text entry");
} else {
if (!mem->descr)
mem->descr = strdup( "Real text pages" );
mem->units = pst.page_size;
mem->size = psd.psd_rmtxt;
mem->free = psd.psd_armtxt;
mem->other = -1;
}
/*
mem = netsnmp_memory_get_byIdx( NETSNMP_MEM_TYPE_MISC, 1 );
if (!mem) {
snmp_log_perror("No Buffer, etc info entry");
} else {
mem->units = 1024;
mem->size = -1;
mem->free = (pst.page_size/1024)*psd.psd_free + swap.free_swap;
mem->other = -1;
}
*/
return 0;
}
/*
** PR_GetPhysicalMemorySize()
**
** Implementation notes:
** Every platform does it a bit different.
** bytes is the returned value.
** for each platform's "if defined" section
** declare your local variable
** do your thing, assign to bytes.
**
*/
PR_IMPLEMENT(PRUint64) PR_GetPhysicalMemorySize(void)
{
PRUint64 bytes = 0;
#if defined(LINUX) || defined(SOLARIS)
long pageSize = sysconf(_SC_PAGESIZE);
long pageCount = sysconf(_SC_PHYS_PAGES);
bytes = (PRUint64) pageSize * pageCount;
#elif defined(HPUX)
struct pst_static info;
int result = pstat_getstatic(&info, sizeof(info), 1, 0);
if (result == 1)
bytes = (PRUint64) info.physical_memory * info.page_size;
#elif defined(DARWIN)
struct host_basic_info hInfo;
mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
int result = host_info(mach_host_self(),
HOST_BASIC_INFO,
(host_info_t) &hInfo,
&count);
if (result == KERN_SUCCESS)
bytes = hInfo.max_mem;
#elif defined(WIN32)
/* Try to use the newer GlobalMemoryStatusEx API for Windows 2000+. */
GlobalMemoryStatusExFn globalMemory = (GlobalMemoryStatusExFn) NULL;
HMODULE module = GetModuleHandleW(L"kernel32.dll");
if (module) {
globalMemory = (GlobalMemoryStatusExFn)GetProcAddress(module, "GlobalMemoryStatusEx");
if (globalMemory) {
PR_MEMORYSTATUSEX memStat;
memStat.dwLength = sizeof(memStat);
if (globalMemory(&memStat))
bytes = memStat.ullTotalPhys;
}
}
if (!bytes) {
/* Fall back to the older API. */
MEMORYSTATUS memStat;
memset(&memStat, 0, sizeof(memStat));
GlobalMemoryStatus(&memStat);
bytes = memStat.dwTotalPhys;
}
#elif defined(OS2)
ULONG ulPhysMem;
DosQuerySysInfo(QSV_TOTPHYSMEM,
QSV_TOTPHYSMEM,
&ulPhysMem,
sizeof(ulPhysMem));
bytes = ulPhysMem;
#elif defined(AIX)
if (odm_initialize() == 0) {
int how_many;
struct CuAt *obj = getattr("sys0", "realmem", 0, &how_many);
if (obj != NULL) {
bytes = (PRUint64) atoi(obj->value) * 1024;
free(obj);
}
odm_terminate();
}
#else
PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
#endif
return bytes;
} /* end PR_GetPhysicalMemorySize() */
static sg_error
sg_get_host_info_int(sg_host_info *host_info_buf) {
#ifdef WIN32
unsigned long nameln;
char *name;
long long result;
OSVERSIONINFOEX osinfo;
SYSTEM_INFO sysinfo;
char *tmp_name;
char tmp[10];
#else
struct utsname os;
# if defined(HPUX)
struct pst_static pstat_static;
struct pst_dynamic pstat_dynamic;
time_t currtime;
long boottime;
# elif defined(SOLARIS)
time_t boottime, curtime;
kstat_ctl_t *kc;
kstat_t *ksp;
kstat_named_t *kn;
char *isainfo = NULL;
long isabufsz, rc;
# elif defined(LINUX) || defined(CYGWIN)
FILE *f;
# elif defined(ALLBSD)
int mib[2];
struct timeval boottime;
time_t curtime;
size_t size;
int ncpus;
# if defined(HW_MACHINE_ARCH) || defined(HW_MACHINE)
char arch_name[16];
# endif
# elif defined(AIX)
static perfstat_cpu_total_t cpu_total;
sg_error rc;
# if defined(HAVE_GETUTXENT)
struct utmpx *ut;
# else
struct utmp *ut;
# endif
# endif
#endif
host_info_buf->ncpus = 0;
host_info_buf->maxcpus = 0;
host_info_buf->bitwidth = 0;
host_info_buf->host_state = sg_unknown_configuration;
host_info_buf->uptime = 0;
host_info_buf->systime = 0;
#ifdef WIN32
/* these settings are static after boot, so why get them
* constantly?
*
* Because we want to know some changes anyway - at least
* when the hostname (DNS?) changes
*/
/* get system name */
nameln = MAX_COMPUTERNAME_LENGTH + 1;
name = sg_malloc(nameln);
if(name == NULL) {
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
/*
* XXX probably GetComputerNameEx() is a better entry point ...
*/
if( GetComputerName(name, &nameln) == 0 ) {
free(name);
RETURN_WITH_SET_ERROR("os", SG_ERROR_HOST, "GetComputerName");
}
if(SG_ERROR_NONE != sg_update_string(&host_info_buf->hostname, name)) {
free(name);
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
free(name);
/* get OS name, version and build */
ZeroMemory(&osinfo, sizeof(OSVERSIONINFOEX));
osinfo.dwOSVersionInfoSize = sizeof(osinfo);
if(!GetVersionEx(&osinfo)) {
RETURN_WITH_SET_ERROR("os", SG_ERROR_HOST, "GetVersionEx");
}
GetSystemInfo(&sysinfo);
/* Release - single number */
if(snprintf(tmp, sizeof(tmp), "%ld", osinfo.dwBuildNumber) == -1) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("os", SG_ERROR_SPRINTF, NULL);
}
if(SG_ERROR_NONE != sg_update_string(&host_info_buf->os_release, tmp)) {
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
/* Version */
/* usually a single digit . single digit, eg 5.0 */
if(snprintf(tmp, sizeof(tmp), "%ld.%ld", osinfo.dwMajorVersion,
osinfo.dwMinorVersion) == -1) {
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
if(SG_ERROR_NONE != sg_update_string(&host_info_buf->os_version, tmp)) {
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
/* OS name */
tmp_name = get_os_name(osinfo, sysinfo);
if(tmp_name == NULL) {
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
if(SG_ERROR_NONE != sg_update_string(&host_info_buf->os_name, tmp_name)) {
free(tmp_name);
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
free(tmp_name);
/* Platform */
switch(sysinfo.wProcessorArchitecture) {
case PROCESSOR_ARCHITECTURE_INTEL:
if(SG_ERROR_NONE != sg_update_string(&host_info_buf->platform,
"Intel")) {
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
break;
case PROCESSOR_ARCHITECTURE_IA64:
if(SG_ERROR_NONE != sg_update_string(&host_info_buf->platform,
"IA64")) {
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
break;
case PROCESSOR_ARCHITECTURE_AMD64:
if(SG_ERROR_NONE != sg_update_string(&host_info_buf->platform,
"AMD64")) {
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
break;
default:
if(SG_ERROR_NONE != sg_update_string(&host_info_buf->platform,
"Unknown")){
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
break;
}
if(read_counter_large(SG_WIN32_UPTIME, &result)) {
RETURN_WITH_SET_ERROR("os", SG_ERROR_PDHREAD, PDH_UPTIME);
}
host_info_buf->uptime = (time_t) result;
#else
if((uname(&os)) < 0) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("os", SG_ERROR_UNAME, NULL);
}
if(SG_ERROR_NONE != sg_update_string(&host_info_buf->os_name, os.sysname)) {
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
if(SG_ERROR_NONE != sg_update_string(&host_info_buf->os_release, os.release)) {
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
if(SG_ERROR_NONE != sg_update_string(&host_info_buf->os_version, os.version)) {
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
if(SG_ERROR_NONE != sg_update_string(&host_info_buf->platform, os.machine)) {
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
if(SG_ERROR_NONE != sg_update_string(&host_info_buf->hostname, os.nodename)) {
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
/* get uptime */
#ifdef HPUX
if (pstat_getstatic(&pstat_static, sizeof(pstat_static), 1, 0) == -1) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("os", SG_ERROR_PSTAT, "pstat_static");
}
if (pstat_getdynamic(&pstat_dynamic, sizeof(pstat_dynamic), 1, 0) == -1) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("os", SG_ERROR_PSTAT, "pstat_dynamic");
}
currtime = time(NULL);
boottime = pstat_static.boot_time;
host_info_buf->uptime = currtime - boottime;
host_info_buf->ncpus = pstat_dynamic.psd_proc_cnt;
host_info_buf->maxcpus = pstat_dynamic.psd_max_proc_cnt;
host_info_buf->bitwidth = sysconf(_SC_KERNEL_BITS);
/*
* TODO: getting virtualization state
* 1) on boostrapping this component, try loading /opt/hpvm/lib/libhpvm.so (or so)
* 2) get function addresses for
* a) HPVM_boolean hpvm_api_server_check()
* b) HPVM_boolean hpvm_api_virtmach_check()
*
* Seems to be hardware virtualization ...
* See: http://docstore.mik.ua/manuals/hp-ux/en/T2767-90141/index.html (hpvmpubapi(3))
* http://jreypo.wordpress.com/tag/hpvm/
* http://jreypo.wordpress.com/category/hp-ux/page/3/
* http://h20338.www2.hp.com/enterprise/us/en/os/hpux11i-partitioning-integrity-vm.html
*/
#elif defined(SOLARIS)
if ((kc = kstat_open()) == NULL) {
RETURN_WITH_SET_ERROR("os", SG_ERROR_KSTAT_OPEN, NULL);
}
if((ksp=kstat_lookup(kc, "unix", -1, "system_misc"))==NULL){
kstat_close(kc);
RETURN_WITH_SET_ERROR("os", SG_ERROR_KSTAT_LOOKUP, "unix,-1,system_misc");
}
if (kstat_read(kc, ksp, 0) == -1) {
kstat_close(kc);
RETURN_WITH_SET_ERROR("os", SG_ERROR_KSTAT_READ, NULL);
}
if((kn=kstat_data_lookup(ksp, "boot_time")) == NULL){
kstat_close(kc);
RETURN_WITH_SET_ERROR("os", SG_ERROR_KSTAT_DATA_LOOKUP, "boot_time");
}
/* XXX verify on Solaris 10 if it's still ui32 */
boottime = (kn->value.ui32);
kstat_close(kc);
time(&curtime);
host_info_buf->uptime = curtime - boottime;
host_info_buf->ncpus = sysconf(_SC_NPROCESSORS_ONLN);
host_info_buf->maxcpus = sysconf(_SC_NPROCESSORS_CONF);
isainfo = sg_malloc( isabufsz = (32 * sizeof(*isainfo)) );
if( NULL == isainfo ) {
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
# define MKSTR(x) #x
# if defined(SI_ARCHITECTURE_K)
# define SYSINFO_CMD SI_ARCHITECTURE_K
# elif defined(SI_ISALIST)
# define SYSINFO_CMD SI_ISALIST
# else
# define SYSINFO_CMD SI_ARCHITECTURE
# endif
sysinfo_again:
if( -1 == ( rc = sysinfo( SYSINFO_CMD, isainfo, isabufsz ) ) ) {
free(isainfo);
RETURN_WITH_SET_ERROR_WITH_ERRNO("os", SG_ERROR_SYSINFO, MKSTR(SYSINFO_CMD) );
}
else if( rc > isabufsz ) {
char *tmp = sg_realloc(isainfo, rc);
if( NULL == tmp ) {
free(isainfo);
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
isabufsz = rc;
isainfo = tmp;
goto sysinfo_again;
}
host_info_buf->bitwidth = get_bitwidth_by_arch_name(isainfo);
free(isainfo);
host_info_buf->host_state = sg_unknown_configuration;
#elif defined(LINUX) || defined(CYGWIN)
if ((f=fopen("/proc/uptime", "r")) == NULL) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("os", SG_ERROR_OPEN, "/proc/uptime");
}
#define TIME_T_SCANF_FMT (sizeof(int[(((time_t)-1)/2)%4+1]) == sizeof(int[1]) ? "%ld %*d" : "%lu %*d" )
if((fscanf(f,TIME_T_SCANF_FMT,&host_info_buf->uptime)) != 1){
fclose(f);
RETURN_WITH_SET_ERROR("os", SG_ERROR_PARSE, NULL);
}
fclose(f);
# if defined(LINUX)
host_info_buf->ncpus = sysconf(_SC_NPROCESSORS_ONLN);
host_info_buf->maxcpus = sysconf(_SC_NPROCESSORS_CONF);
if( access( "/proc/sys/kernel/vsyscall64", F_OK ) == 0 ||
access( "/proc/sys/abi/vsyscall32", F_OK ) == 0 ) {
host_info_buf->bitwidth = 64;
}
else {
host_info_buf->bitwidth = sysconf(_SC_LONG_BIT); // well, maybe 64-bit disabled 128-bit system o.O
}
host_info_buf->host_state = sg_unknown_configuration;
# endif
#elif defined(ALLBSD)
mib[0] = CTL_KERN;
mib[1] = KERN_BOOTTIME;
size = sizeof(boottime);
if (sysctl(mib, 2, &boottime, &size, NULL, 0) < 0) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("os", SG_ERROR_SYSCTL, "CTL_KERN.KERN_BOOTTIME");
}
time(&curtime);
host_info_buf->uptime= curtime - boottime.tv_sec;
# if defined(HW_NCPU)
mib[0] = CTL_HW;
mib[1] = HW_NCPU;
size = sizeof(int);
if( sysctl( mib, 2, &ncpus, &size, NULL, 0 ) < 0 ) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("os", SG_ERROR_SYSCTL, "CTL_HW.HW_NCPU" );
}
# endif
# if defined(HW_MACHINE_ARCH)
mib[0] = CTL_HW;
mib[1] = HW_MACHINE_ARCH;
size = sizeof(arch_name);
if( sysctl( mib, 2, arch_name, &size, NULL, 0 ) == 0 ) {
host_info_buf->bitwidth = get_bitwidth_by_arch_name(arch_name);
}
else {
# endif
# if defined(HW_MACHINE)
mib[0] = CTL_HW;
mib[1] = HW_MACHINE;
size = sizeof(arch_name);
if( sysctl( mib, 2, arch_name, &size, NULL, 0 ) == 0 ) {
host_info_buf->bitwidth = get_bitwidth_by_arch_name(arch_name);
}
else {
SET_ERROR_WITH_ERRNO("os", SG_ERROR_SYSCTL, "CTL_HW.HW_MACHINE" );
}
# elif defined(HW_MACHINE_ARCH)
SET_ERROR_WITH_ERRNO("os", SG_ERROR_SYSCTL, "CTL_HW.HW_MACHINE_ARCH" );
# endif
# if defined(HW_MACHINE_ARCH)
}
# endif
host_info_buf->host_state = sg_unknown_configuration; /* details must be analysed "manually", no syscall */
host_info_buf->maxcpus = (unsigned)ncpus;
# if defined(HW_NCPUONLINE)
/* use knowledge about number of cpu's online, when available instead of assuming all of them */
mib[0] = CTL_HW;
mib[1] = HW_NCPUONLINE;
size = sizeof(int);
if( sysctl( mib, 2, &ncpus, &size, NULL, 0 ) < 0 ) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("os", SG_ERROR_SYSCTL, "CTL_HW.HW_NCPUONLINE" );
}
# endif
host_info_buf->ncpus = (unsigned)ncpus;
#elif defined(AIX)
if(perfstat_cpu_total(NULL, &cpu_total, sizeof(cpu_total), 1) != 1) {
RETURN_WITH_SET_ERROR_WITH_ERRNO("os", SG_ERROR_SYSCTL, "perfstat_cpu_total");
}
if(SG_ERROR_NONE != sg_update_string(&host_info_buf->platform, cpu_total.description)) {
RETURN_FROM_PREVIOUS_ERROR( "os", sg_get_error() );
}
host_info_buf->ncpus = cpu_total.ncpus;
host_info_buf->maxcpus = cpu_total.ncpus_cfg;
host_info_buf->bitwidth = sysconf(_SC_AIX_KERNEL_BITMODE);
if( sysconf(_SC_LPAR_ENABLED) > 0 ) {
host_info_buf->host_state = sg_hardware_virtualized;
}
else {
host_info_buf->host_state = sg_physical_host;
}
#ifdef ENABLE_THREADS
if( SG_ERROR_NONE != ( rc = sg_lock_mutex("utmp") ) ) {
RETURN_FROM_PREVIOUS_ERROR( "os", rc );
}
#endif
# if defined(HAVE_GETUTXENT)
# define UTENTFN getutxent
# define UTENTTM ut->ut_tv.tv_sec
setutxent();
# else
# define UTENTFN getutent
# define UTENTTM ut->ut_time
setutent();
# endif
while( NULL != ( ut = UTENTFN() ) ) {
if( ut->ut_type == BOOT_TIME ) {
host_info_buf->uptime = time(NULL) - UTENTTM;
break;
}
}
# if defined(HAVE_GETUTXENT)
endutxent();
# else
endutent();
# endif
#ifdef ENABLE_THREADS
if( SG_ERROR_NONE != ( rc = sg_unlock_mutex("utmp") ) ) {
RETURN_FROM_PREVIOUS_ERROR( "os", rc );
}
#endif
#else
RETURN_WITH_SET_ERROR("os", SG_ERROR_UNSUPPORTED, OS_TYPE);
#endif
#endif /* WIN32 */
host_info_buf->systime = time(NULL);
return SG_ERROR_NONE;
}
/* Return the amount of physical memory available. */
double
physmem_available (void)
{
#if defined _SC_AVPHYS_PAGES && defined _SC_PAGESIZE
{ /* This works on linux-gnu, solaris2 and cygwin. */
double pages = sysconf (_SC_AVPHYS_PAGES);
double pagesize = sysconf (_SC_PAGESIZE);
if (0 <= pages && 0 <= pagesize)
return pages * pagesize;
}
#endif
#if HAVE_PSTAT_GETSTATIC && HAVE_PSTAT_GETDYNAMIC
{ /* This works on hpux11. */
struct pst_static pss;
struct pst_dynamic psd;
if (0 <= pstat_getstatic (&pss, sizeof pss, 1, 0)
&& 0 <= pstat_getdynamic (&psd, sizeof psd, 1, 0))
{
double pages = psd.psd_free;
double pagesize = pss.page_size;
if (0 <= pages && 0 <= pagesize)
return pages * pagesize;
}
}
#endif
#if HAVE_SYSMP && defined MP_SAGET && defined MPSA_RMINFO && defined _SC_PAGESIZE
{ /* This works on irix6. */
struct rminfo realmem;
if (sysmp (MP_SAGET, MPSA_RMINFO, &realmem, sizeof realmem) == 0)
{
double pagesize = sysconf (_SC_PAGESIZE);
double pages = realmem.availrmem;
if (0 <= pages && 0 <= pagesize)
return pages * pagesize;
}
}
#endif
#if HAVE_TABLE && defined TBL_VMSTATS
{ /* This works on Tru64 UNIX V4/5. */
struct tbl_vmstats vmstats;
if (table (TBL_VMSTATS, 0, &vmstats, 1, sizeof (vmstats)) == 1)
{
double pages = vmstats.free_count;
double pagesize = vmstats.pagesize;
if (0 <= pages && 0 <= pagesize)
return pages * pagesize;
}
}
#endif
#if HAVE_SYSCTL && defined HW_USERMEM
{ /* This works on *bsd and darwin. */
unsigned int usermem;
size_t len = sizeof usermem;
static int mib[2] = { CTL_HW, HW_USERMEM };
if (sysctl (mib, ARRAY_SIZE (mib), &usermem, &len, NULL, 0) == 0
&& len == sizeof (usermem))
return (double) usermem;
}
#endif
#if defined _WIN32
{ /* this works on windows */
PFN_MS_EX pfnex;
HMODULE h = GetModuleHandle ("kernel32.dll");
if (!h)
return 0.0;
/* Use GlobalMemoryStatusEx if available. */
if ((pfnex = (PFN_MS_EX) GetProcAddress (h, "GlobalMemoryStatusEx")))
{
lMEMORYSTATUSEX lms_ex;
lms_ex.dwLength = sizeof lms_ex;
if (!pfnex (&lms_ex))
return 0.0;
return (double) lms_ex.ullAvailPhys;
}
/* Fall back to GlobalMemoryStatus which is always available.
but returns wrong results for physical memory > 4GB */
else
{
MEMORYSTATUS ms;
GlobalMemoryStatus (&ms);
return (double) ms.dwAvailPhys;
}
}
#endif
/* Guess 25% of physical memory. */
return physmem_total () / 4;
}
static int VM_MEMORY_TOTAL(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
#if defined(HAVE_SYS_PSTAT_H)
struct pst_static pst;
long page;
assert(result);
init_result(result);
if(pstat_getstatic(&pst, sizeof(pst), (size_t)1, 0) == -1)
{
return SYSINFO_RET_FAIL;
}
else
{
/* Get page size */
page = pst.page_size;
/* Total physical memory in bytes */
SET_UI64_RESULT(result, (zbx_uint64_t)page*(zbx_uint64_t)pst.physical_memory);
return SYSINFO_RET_OK;
}
#elif defined(HAVE_SYSINFO_TOTALRAM)
struct sysinfo info;
assert(result);
init_result(result);
if( 0 == sysinfo(&info))
{
#ifdef HAVE_SYSINFO_MEM_UNIT
SET_UI64_RESULT(result, (zbx_uint64_t)info.totalram * (zbx_uint64_t)info.mem_unit);
#else
SET_UI64_RESULT(result, info.totalram);
#endif
return SYSINFO_RET_OK;
}
else
{
return SYSINFO_RET_FAIL;
}
#elif defined(HAVE_SYS_VMMETER_VMTOTAL)
int mib[2],len;
struct vmtotal v;
assert(result);
init_result(result);
len=sizeof(struct vmtotal);
mib[0]=CTL_VM;
mib[1]=VM_METER;
sysctl(mib,2,&v,&len,NULL,0);
SET_UI64_RESULT(result, v.t_rm<<2);
return SYSINFO_RET_OK;
#elif defined(HAVE_SYS_SYSCTL_H)
static int mib[] = { CTL_HW, HW_PHYSMEM };
size_t len;
unsigned int memory;
int ret;
assert(result);
init_result(result);
len=sizeof(memory);
if(0==sysctl(mib,2,&memory,&len,NULL,0))
{
SET_UI64_RESULT(result, memory);
ret=SYSINFO_RET_OK;
}
else
{
ret=SYSINFO_RET_FAIL;
}
return ret;
#else
assert(result);
init_result(result);
return SYSINFO_RET_FAIL;
#endif
}
u_char *
var_hrsys(struct variable * vp,
oid * name,
size_t * length,
int exact, size_t * var_len, WriteMethod ** write_method)
{
static char string[1024];
#if defined(solaris2)
/* max size of nvram property */
char bootparam[8192];
#endif
time_t now;
#ifndef NR_TASKS
int nproc = 0;
#endif
#ifdef linux
FILE *fp;
#endif
#if CAN_USE_SYSCTL && defined(CTL_KERN) && defined(KERN_MAXPROC)
static int maxproc_mib[] = { CTL_KERN, KERN_MAXPROC };
int buf_size;
#endif
#if defined(hpux10) || defined(hpux11)
struct pst_static pst_buf;
#endif
if (header_hrsys(vp, name, length, exact, var_len, write_method) ==
MATCH_FAILED)
return NULL;
switch (vp->magic) {
case HRSYS_UPTIME:
long_return = get_uptime();
return (u_char *) & long_return;
case HRSYS_DATE:
#if defined(HAVE_MKTIME) && defined(HAVE_STIME)
*write_method=ns_set_time;
#endif
(void *) time(&now);
return (u_char *) date_n_time(&now, var_len);
case HRSYS_LOAD_DEV:
long_return = get_load_dev();
return (u_char *) & long_return;
case HRSYS_LOAD_PARAM:
#ifdef linux
if((fp = fopen("/proc/cmdline", "r")) != NULL) {
fgets(string, sizeof(string), fp);
fclose(fp);
} else {
return NULL;
}
#elif defined(solaris2)
*write_method=set_solaris_bootcommand_parameter;
if ( get_solaris_eeprom_parameter("boot-command",bootparam) ) {
snmp_log(LOG_ERR,"unable to lookup boot-command from eeprom\n");
return NULL;
}
strlcpy(string,bootparam,sizeof(string));
#else
#if NO_DUMMY_VALUES
return NULL;
#endif
sprintf(string, "ask Dave"); /* XXX */
#endif
*var_len = strlen(string);
return (u_char *) string;
case HRSYS_USERS:
long_return = count_users();
return (u_char *) & long_return;
case HRSYS_PROCS:
#if USING_HOST_HR_SWRUN_MODULE
long_return = count_processes();
#else
#if NO_DUMMY_VALUES
return NULL;
#endif
long_return = 0;
#endif
return (u_char *) & long_return;
case HRSYS_MAXPROCS:
#if defined(NR_TASKS)
long_return = NR_TASKS; /* <linux/tasks.h> */
#elif CAN_USE_SYSCTL && defined(CTL_KERN) && defined(KERN_MAXPROC)
buf_size = sizeof(nproc);
if (sysctl(maxproc_mib, 2, &nproc, &buf_size, NULL, 0) < 0)
return NULL;
long_return = nproc;
#elif defined(hpux10) || defined(hpux11)
pstat_getstatic(&pst_buf, sizeof(struct pst_static), 1, 0);
long_return = pst_buf.max_proc;
#elif defined(solaris2)
long_return=get_max_solaris_processes();
if(long_return == -1) return NULL;
#elif defined(NPROC_SYMBOL)
auto_nlist(NPROC_SYMBOL, (char *) &nproc, sizeof(int));
long_return = nproc;
#else
#if NO_DUMMY_VALUES
return NULL;
#endif
long_return = 0;
#endif
return (u_char *) & long_return;
default:
DEBUGMSGTL(("snmpd", "unknown sub-id %d in var_hrsys\n",
vp->magic));
}
return NULL;
} /* end var_hrsys */
extern uint64_t
tuklib_physmem(void)
{
uint64_t ret = 0;
#if defined(_WIN32) || defined(__CYGWIN__)
if ((GetVersion() & 0xFF) >= 5) {
// Windows 2000 and later have GlobalMemoryStatusEx() which
// supports reporting values greater than 4 GiB. To keep the
// code working also on older Windows versions, use
// GlobalMemoryStatusEx() conditionally.
HMODULE kernel32 = GetModuleHandle("kernel32.dll");
if (kernel32 != NULL) {
BOOL (WINAPI *gmse)(LPMEMORYSTATUSEX) = GetProcAddress(
kernel32, "GlobalMemoryStatusEx");
if (gmse != NULL) {
MEMORYSTATUSEX meminfo;
meminfo.dwLength = sizeof(meminfo);
if (gmse(&meminfo))
ret = meminfo.ullTotalPhys;
}
}
}
if (ret == 0) {
// GlobalMemoryStatus() is supported by Windows 95 and later,
// so it is fine to link against it unconditionally. Note that
// GlobalMemoryStatus() has no return value.
MEMORYSTATUS meminfo;
meminfo.dwLength = sizeof(meminfo);
GlobalMemoryStatus(&meminfo);
ret = meminfo.dwTotalPhys;
}
#elif defined(__OS2__)
unsigned long mem;
if (DosQuerySysInfo(QSV_TOTPHYSMEM, QSV_TOTPHYSMEM,
&mem, sizeof(mem)) == 0)
ret = mem;
#elif defined(__DJGPP__)
__dpmi_free_mem_info meminfo;
if (__dpmi_get_free_memory_information(&meminfo) == 0
&& meminfo.total_number_of_physical_pages
!= (unsigned long)-1)
ret = (uint64_t)meminfo.total_number_of_physical_pages * 4096;
#elif defined(__VMS)
int vms_mem;
int val = SYI$_MEMSIZE;
if (LIB$GETSYI(&val, &vms_mem, 0, 0, 0, 0) == SS$_NORMAL)
ret = (uint64_t)vms_mem * 8192;
#elif defined(AMIGA) || defined(__AROS__)
ret = AvailMem(MEMF_TOTAL);
#elif defined(TUKLIB_PHYSMEM_AIX)
ret = _system_configuration.physmem;
#elif defined(TUKLIB_PHYSMEM_SYSCONF)
const long pagesize = sysconf(_SC_PAGESIZE);
const long pages = sysconf(_SC_PHYS_PAGES);
if (pagesize != -1 && pages != -1)
// According to docs, pagesize * pages can overflow.
// Simple case is 32-bit box with 4 GiB or more RAM,
// which may report exactly 4 GiB of RAM, and "long"
// being 32-bit will overflow. Casting to uint64_t
// hopefully avoids overflows in the near future.
ret = (uint64_t)pagesize * (uint64_t)pages;
#elif defined(TUKLIB_PHYSMEM_SYSCTL)
int name[2] = {
CTL_HW,
#ifdef HW_PHYSMEM64
HW_PHYSMEM64
#else
HW_PHYSMEM
#endif
};
union {
uint32_t u32;
uint64_t u64;
} mem;
size_t mem_ptr_size = sizeof(mem.u64);
if (sysctl(name, 2, &mem.u64, &mem_ptr_size, NULL, 0) != -1) {
// IIRC, 64-bit "return value" is possible on some 64-bit
// BSD systems even with HW_PHYSMEM (instead of HW_PHYSMEM64),
// so support both.
if (mem_ptr_size == sizeof(mem.u64))
ret = mem.u64;
else if (mem_ptr_size == sizeof(mem.u32))
ret = mem.u32;
}
#elif defined(TUKLIB_PHYSMEM_GETSYSINFO)
// Docs are unclear if "start" is needed, but it doesn't hurt
// much to have it.
int memkb;
int start = 0;
if (getsysinfo(GSI_PHYSMEM, (caddr_t)&memkb, sizeof(memkb), &start)
!= -1)
ret = (uint64_t)memkb * 1024;
#elif defined(TUKLIB_PHYSMEM_PSTAT_GETSTATIC)
struct pst_static pst;
if (pstat_getstatic(&pst, sizeof(pst), 1, 0) != -1)
ret = (uint64_t)pst.physical_memory * (uint64_t)pst.page_size;
#elif defined(TUKLIB_PHYSMEM_GETINVENT_R)
inv_state_t *st = NULL;
if (setinvent_r(&st) != -1) {
inventory_t *i;
while ((i = getinvent_r(st)) != NULL) {
if (i->inv_class == INV_MEMORY
&& i->inv_type == INV_MAIN_MB) {
ret = (uint64_t)i->inv_state << 20;
break;
}
}
endinvent_r(st);
}
#elif defined(TUKLIB_PHYSMEM_SYSINFO)
struct sysinfo si;
if (sysinfo(&si) == 0)
ret = (uint64_t)si.totalram * si.mem_unit;
#endif
return ret;
}
static int VM_MEMORY_FREE(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
#if defined(HAVE_SYS_PSTAT_H)
struct pst_static pst;
struct pst_dynamic dyn;
long page;
assert(result);
init_result(result);
if(pstat_getstatic(&pst, sizeof(pst), (size_t)1, 0) == -1)
{
return SYSINFO_RET_FAIL;
}
else
{
/* Get page size */
page = pst.page_size;
/* return pst.physical_memory;*/
if (pstat_getdynamic(&dyn, sizeof(dyn), 1, 0) == -1)
{
return SYSINFO_RET_FAIL;
}
else
{
/* cout<<"total virtual memory allocated is " << dyn.psd_vm << "
pages, " << dyn.psd_vm * page << " bytes" << endl;
cout<<"active virtual memory is " << dyn.psd_avm <<" pages, " <<
dyn.psd_avm * page << " bytes" << endl;
cout<<"total real memory is " << dyn.psd_rm << " pages, " <<
dyn.psd_rm * page << " bytes" << endl;
cout<<"active real memory is " << dyn.psd_arm << " pages, " <<
dyn.psd_arm * page << " bytes" << endl;
cout<<"free memory is " << dyn.psd_free << " pages, " <<
*/
/* Free memory in bytes */
SET_UI64_RESULT(result, (zbx_uint64_t)dyn.psd_free * (zbx_uint64_t)page);
return SYSINFO_RET_OK;
}
}
#elif defined(HAVE_SYSINFO_FREERAM)
struct sysinfo info;
assert(result);
init_result(result);
if( 0 == sysinfo(&info))
{
#ifdef HAVE_SYSINFO_MEM_UNIT
SET_UI64_RESULT(result, (zbx_uint64_t)info.freeram * (zbx_uint64_t)info.mem_unit);
#else
SET_UI64_RESULT(result, info.freeram);
#endif
return SYSINFO_RET_OK;
}
else
{
return SYSINFO_RET_FAIL;
}
#elif defined(HAVE_SYS_VMMETER_VMTOTAL)
int mib[2],len;
struct vmtotal v;
assert(result);
init_result(result);
len=sizeof(struct vmtotal);
mib[0]=CTL_VM;
mib[1]=VM_METER;
sysctl(mib,2,&v,&len,NULL,0);
SET_UI64_RESULT(result, v.t_free<<2);
return SYSINFO_RET_OK;
/* OS/X */
#elif defined(HAVE_MACH_HOST_INFO_H)
vm_statistics_data_t page_info;
vm_size_t pagesize;
mach_msg_type_number_t count;
kern_return_t kret;
int ret;
assert(result);
init_result(result);
pagesize = 0;
kret = host_page_size (mach_host_self(), &pagesize);
count = HOST_VM_INFO_COUNT;
kret = host_statistics (mach_host_self(), HOST_VM_INFO,
(host_info_t)&page_info, &count);
if (kret == KERN_SUCCESS)
{
double pw, pa, pi, pf, pu;
pw = (double)page_info.wire_count*pagesize;
pa = (double)page_info.active_count*pagesize;
pi = (double)page_info.inactive_count*pagesize;
pf = (double)page_info.free_count*pagesize;
pu = pw+pa+pi;
SET_UI64_RESULT(result, pf);
ret = SYSINFO_RET_OK;
}
else
{
ret = SYSINFO_RET_FAIL;
}
return ret;
#else
assert(result);
init_result(result);
return SYSINFO_RET_FAIL;
#endif
}
static u_char *
var_extensible_mem(struct variable *vp,
oid * name,
size_t * length,
int exact,
size_t * var_len, WriteMethod ** write_method)
{
struct swapinfo swap;
struct pst_static pst;
struct pst_dynamic psd;
static long long_ret;
/*
* Initialize the return value to 0
*/
long_ret = 0;
swap.total_swap = 0;
swap.free_swap = 0;
if (header_generic(vp, name, length, exact, var_len, write_method))
return (NULL);
switch (vp->magic) {
case MIBINDEX:
long_ret = 0;
return ((u_char *) (&long_ret));
case ERRORNAME: /* dummy name */
sprintf(errmsg, "swap");
*var_len = strlen(errmsg);
return ((u_char *) (errmsg));
case MEMTOTALSWAP:
get_swapinfo(&swap);
long_ret = swap.total_swap;
return ((u_char *) (&long_ret));
case MEMAVAILSWAP:
get_swapinfo(&swap);
long_ret = swap.free_swap;
return ((u_char *) (&long_ret));
case MEMSWAPMINIMUM:
long_ret = minimumswap;
return ((u_char *) (&long_ret));
case MEMTOTALREAL:
/*
* Retrieve the static memory statistics
*/
if (pstat_getstatic(&pst, sizeof(pst), (size_t) 1, 0) == -1) {
snmp_log(LOG_ERR, "memory_hpux: pstat_getstatic failed!\n");
return (NULL);
}
long_ret = pst.page_size / 1024 * pst.physical_memory;
return ((u_char *) (&long_ret));
case MEMAVAILREAL:
/*
* Retrieve the static memory statistics
*/
if (pstat_getstatic(&pst, sizeof(pst), (size_t) 1, 0) == -1) {
snmp_log(LOG_ERR, "memory_hpux: pstat_getstatic failed!\n");
return (NULL);
}
/*
* Retrieve the dynamic memory statistics
*/
if (pstat_getdynamic(&psd, sizeof(psd), (size_t) 1, 0) == -1) {
snmp_log(LOG_ERR, "memory_hpux: pstat_getdynamic failed!\n");
return (NULL);
}
long_ret = pst.page_size / 1024 * psd.psd_free;
return ((u_char *) (&long_ret));
case MEMTOTALSWAPTXT:
/*
* Retrieve the static memory statistics
*/
if (pstat_getstatic(&pst, sizeof(pst), (size_t) 1, 0) == -1) {
snmp_log(LOG_ERR, "memory_hpux: pstat_getstatic failed!\n");
return (NULL);
}
/*
* Retrieve the dynamic memory statistics
*/
if (pstat_getdynamic(&psd, sizeof(psd), (size_t) 1, 0) == -1) {
snmp_log(LOG_ERR, "memory_hpux: pstat_getdynamic failed!\n");
return (NULL);
}
long_ret = pst.page_size / 1024 * psd.psd_vmtxt;
return ((u_char *) (&long_ret));
case MEMUSEDSWAPTXT:
/*
* Retrieve the static memory statistics
*/
if (pstat_getstatic(&pst, sizeof(pst), (size_t) 1, 0) == -1) {
snmp_log(LOG_ERR, "memory_hpux: pstat_getstatic failed!\n");
return (NULL);
}
/*
* Retrieve the dynamic memory statistics
*/
if (pstat_getdynamic(&psd, sizeof(psd), (size_t) 1, 0) == -1) {
snmp_log(LOG_ERR, "memory_hpux: pstat_getdynamic failed!\n");
return (NULL);
}
long_ret = pst.page_size / 1024 * (psd.psd_vmtxt - psd.psd_avmtxt);
return ((u_char *) (&long_ret));
case MEMTOTALREALTXT:
/*
* Retrieve the static memory statistics
*/
if (pstat_getstatic(&pst, sizeof(pst), (size_t) 1, 0) == -1) {
snmp_log(LOG_ERR, "memory_hpux: pstat_getstatic failed!\n");
return (NULL);
}
/*
* Retrieve the dynamic memory statistics
*/
if (pstat_getdynamic(&psd, sizeof(psd), (size_t) 1, 0) == -1) {
snmp_log(LOG_ERR, "memory_hpux: pstat_getdynamic failed!\n");
return (NULL);
}
long_ret = pst.page_size / 1024 * psd.psd_rmtxt;
return ((u_char *) (&long_ret));
case MEMUSEDREALTXT:
/*
* Retrieve the static memory statistics
*/
if (pstat_getstatic(&pst, sizeof(pst), (size_t) 1, 0) == -1) {
snmp_log(LOG_ERR, "memory_hpux: pstat_getstatic failed!\n");
return (NULL);
}
/*
* Retrieve the dynamic memory statistics
*/
if (pstat_getdynamic(&psd, sizeof(psd), (size_t) 1, 0) == -1) {
snmp_log(LOG_ERR, "memory_hpux: pstat_getdynamic failed!\n");
return (NULL);
}
long_ret = pst.page_size / 1024 * (psd.psd_rmtxt - psd.psd_armtxt);
return ((u_char *) (&long_ret));
case MEMTOTALFREE:
/*
* Retrieve the static memory statistics
*/
if (pstat_getstatic(&pst, sizeof(pst), (size_t) 1, 0) == -1) {
snmp_log(LOG_ERR, "memory_hpux: pstat_getstatic failed!\n");
return (NULL);
}
/*
* Retrieve the dynamic memory statistics
*/
if (pstat_getdynamic(&psd, sizeof(psd), (size_t) 1, 0) == -1) {
snmp_log(LOG_ERR, "memory_hpux: pstat_getdynamic failed!\n");
return (NULL);
}
get_swapinfo(&swap);
long_ret = (pst.page_size / 1024 * psd.psd_free) + swap.free_swap;
return ((u_char *) (&long_ret));
case ERRORFLAG:
get_swapinfo(&swap);
long_ret = (swap.free_swap > minimumswap) ? 0 : 1;
return ((u_char *) (&long_ret));
case ERRORMSG:
get_swapinfo(&swap);
if ((swap.free_swap > minimumswap) ? 0 : 1)
sprintf(errmsg, "Running out of swap space (%ld)", long_ret);
else
errmsg[0] = 0;
*var_len = strlen(errmsg);
return ((u_char *) (errmsg));
} /* end case */
return (NULL);
}
/* Return the total amount of physical memory. */
double
physmem_total (void)
{
#if defined _SC_PHYS_PAGES && defined _SC_PAGESIZE
{ /* This works on linux-gnu, solaris2 and cygwin. */
double pages = sysconf (_SC_PHYS_PAGES);
double pagesize = sysconf (_SC_PAGESIZE);
if (0 <= pages && 0 <= pagesize)
return pages * pagesize;
}
#endif
#if HAVE_PSTAT_GETSTATIC
{ /* This works on hpux11. */
struct pst_static pss;
if (0 <= pstat_getstatic (&pss, sizeof pss, 1, 0))
{
double pages = pss.physical_memory;
double pagesize = pss.page_size;
if (0 <= pages && 0 <= pagesize)
return pages * pagesize;
}
}
#endif
#if HAVE_SYSMP && defined MP_SAGET && defined MPSA_RMINFO && defined _SC_PAGESIZE
{ /* This works on irix6. */
struct rminfo realmem;
if (sysmp (MP_SAGET, MPSA_RMINFO, &realmem, sizeof realmem) == 0)
{
double pagesize = sysconf (_SC_PAGESIZE);
double pages = realmem.physmem;
if (0 <= pages && 0 <= pagesize)
return pages * pagesize;
}
}
#endif
#if HAVE_GETSYSINFO && defined GSI_PHYSMEM
{ /* This works on Tru64 UNIX V4/5. */
int physmem;
if (getsysinfo (GSI_PHYSMEM, (caddr_t) &physmem, sizeof (physmem),
NULL, NULL, NULL) == 1)
{
double kbytes = physmem;
if (0 <= kbytes)
return kbytes * 1024.0;
}
}
#endif
#if HAVE_SYSCTL && defined HW_PHYSMEM
{ /* This works on *bsd and darwin. */
unsigned int physmem;
size_t len = sizeof physmem;
static int mib[2] = { CTL_HW, HW_PHYSMEM };
if (sysctl (mib, ARRAY_SIZE (mib), &physmem, &len, NULL, 0) == 0
&& len == sizeof (physmem))
return (double) physmem;
}
#endif
#if HAVE__SYSTEM_CONFIGURATION
/* This works on AIX 4.3.3+. */
return _system_configuration.physmem;
#endif
#if defined _WIN32
{ /* this works on windows */
PFN_MS_EX pfnex;
HMODULE h = GetModuleHandle ("kernel32.dll");
if (!h)
return 0.0;
/* Use GlobalMemoryStatusEx if available. */
if ((pfnex = (PFN_MS_EX) GetProcAddress (h, "GlobalMemoryStatusEx")))
{
lMEMORYSTATUSEX lms_ex;
lms_ex.dwLength = sizeof lms_ex;
if (!pfnex (&lms_ex))
return 0.0;
return (double) lms_ex.ullTotalPhys;
}
/* Fall back to GlobalMemoryStatus which is always available.
but returns wrong results for physical memory > 4GB. */
else
{
MEMORYSTATUS ms;
GlobalMemoryStatus (&ms);
return (double) ms.dwTotalPhys;
}
}
#endif
/* Return 0 if we can't determine the value. */
return 0;
}
/*
** PR_GetPhysicalMemorySize()
**
** Implementation notes:
** Every platform does it a bit different.
** bytes is the returned value.
** for each platform's "if defined" section
** declare your local variable
** do your thing, assign to bytes.
**
*/
PR_IMPLEMENT(PRUint64) PR_GetPhysicalMemorySize(void)
{
PRUint64 bytes = 0;
#if defined(LINUX) || defined(SOLARIS)
long pageSize = sysconf(_SC_PAGESIZE);
long pageCount = sysconf(_SC_PHYS_PAGES);
if (pageSize >= 0 && pageCount >= 0)
bytes = (PRUint64) pageSize * pageCount;
#elif defined(NETBSD) || defined(OPENBSD)
int mib[2];
int rc;
uint64_t memSize;
size_t len = sizeof(memSize);
mib[0] = CTL_HW;
mib[1] = HW_PHYSMEM64;
rc = sysctl(mib, 2, &memSize, &len, NULL, 0);
if (-1 != rc) {
bytes = memSize;
}
#elif defined(HPUX)
struct pst_static info;
int result = pstat_getstatic(&info, sizeof(info), 1, 0);
if (result == 1)
bytes = (PRUint64) info.physical_memory * info.page_size;
#elif defined(DARWIN)
mach_port_t mach_host = mach_host_self();
struct host_basic_info hInfo;
mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
int result = host_info(mach_host,
HOST_BASIC_INFO,
(host_info_t) &hInfo,
&count);
mach_port_deallocate(mach_task_self(), mach_host);
if (result == KERN_SUCCESS)
bytes = hInfo.max_mem;
#elif defined(WIN32)
MEMORYSTATUSEX memStat;
memStat.dwLength = sizeof(memStat);
if (GlobalMemoryStatusEx(&memStat))
bytes = memStat.ullTotalPhys;
#elif defined(OS2)
ULONG ulPhysMem;
DosQuerySysInfo(QSV_TOTPHYSMEM,
QSV_TOTPHYSMEM,
&ulPhysMem,
sizeof(ulPhysMem));
bytes = ulPhysMem;
#elif defined(AIX)
if (odm_initialize() == 0) {
int how_many;
struct CuAt *obj = getattr("sys0", "realmem", 0, &how_many);
if (obj != NULL) {
bytes = (PRUint64) atoi(obj->value) * 1024;
free(obj);
}
odm_terminate();
}
#else
PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
#endif
return bytes;
} /* end PR_GetPhysicalMemorySize() */