/**
Enumeration Helper for the Solaris platform. Not all disks are available from
MNTTAB on this platform, this it is necessary to perform some additional
searching of the file system.
*/
void StaticPhysicalDiskEnumeration::UpdateSolarisHelper()
{
// workaround for unknown FS/devices
// try to get a list of disks from /dev/dsk
std::vector<SCXCoreLib::SCXHandle<SCXCoreLib::SCXFileInfo> > disk_infos = m_deps->GetDevDskInfo();
std::map< std::wstring, int > found_devices;
// iterate through all devices
for ( unsigned int i = 0; i < disk_infos.size(); i++ ){
std::wstring dev_name = disk_infos[i]->GetFullPath().GetFilename();
dev_name = dev_name.substr(0,dev_name.find_last_not_of(L"0123456789"));
if ( found_devices.find( dev_name ) != found_devices.end() )
continue; // already considered
found_devices[dev_name] = 0;
try {
SCXCoreLib::SCXHandle<StaticPhysicalDiskInstance> disk = GetInstance(dev_name);
if ( disk == 0 ){
disk = new StaticPhysicalDiskInstance(m_deps);
disk->SetId(dev_name);
disk->m_device = disk_infos[i]->GetDirectoryPath().Get() + dev_name;
disk->m_online = true;
// NOTE: Update will throw in case if disk is removable media, so
// we will skip it (no call to AddInstance)
disk->Update();
AddInstance(disk);
} else {
disk->Update(); // check if disk is still 'alive'
// if disk goes off-line, Update throws and status remains 'false'
disk->m_online = true;
}
} catch ( SCXCoreLib::SCXException& e )
{
//std::wcout << L"excp in dsk update: " << e.What() << endl << e.Where() << endl;
// ignore errors, since disk may not be accessible and it's fine
}
}
}
/**
Update all instances.
*/
void StatisticalLogicalDiskEnumeration::UpdateInstances()
{
scxulong total_reads = 0;
scxulong total_writes = 0;
#if defined(hpux)
scxulong total_tTime = 0;
#endif
scxulong total_rTime = 0;
scxulong total_wTime = 0;
scxulong total_transfers = 0;
scxulong total_rPercent = 0;
scxulong total_wPercent = 0;
scxulong total_tPercent = 0;
SCXCoreLib::SCXHandle<StatisticalLogicalDiskInstance> total = GetTotalInstance();
if (0 != total)
{
total->Reset();
total->m_online = true;
}
for (EntityIterator iter = Begin(); iter != End(); iter++)
{
SCXCoreLib::SCXHandle<StatisticalLogicalDiskInstance> disk = *iter;
disk->Update();
if (0 != total)
{
total->m_readsPerSec += disk->m_readsPerSec;
total->m_writesPerSec += disk->m_writesPerSec;
total->m_transfersPerSec += disk->m_transfersPerSec;
total->m_rBytesPerSec += disk->m_rBytesPerSec;
total->m_wBytesPerSec += disk->m_wBytesPerSec;
total->m_tBytesPerSec += disk->m_tBytesPerSec;
total->m_rTime += disk->m_rTime;
total->m_wTime += disk->m_wTime;
total->m_tTime += disk->m_tTime;
total->m_runTime += disk->m_runTime;
total->m_waitTime += disk->m_waitTime;
total->m_mbUsed += disk->m_mbUsed;
total->m_mbFree += disk->m_mbFree;
total_reads += disk->m_reads.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
total_writes += disk->m_writes.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
#if defined (hpux)
total_transfers += disk->m_transfers.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
total_tTime += disk->m_tTimes.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
#elif defined (linux)
total_transfers += disk->m_reads.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES) + disk->m_writes.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
total_rTime += disk->m_rTimes.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
total_wTime += disk->m_wTimes.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
#elif defined (sun)
total_transfers += disk->m_reads.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES) + disk->m_writes.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
total_rTime += disk->m_runTimes.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
total_wTime += disk->m_waitTimes.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
#endif
total_rPercent += disk->m_rPercentage;
total_wPercent += disk->m_wPercentage;
total_tPercent += disk->m_tPercentage;
}
}
if (0 != total)
{
if (Size() > 0)
{
total->m_rPercentage = total_rPercent/Size();
total->m_wPercentage = total_wPercent/Size();
total->m_tPercentage = total_tPercent/Size();
}
if (total_reads != 0)
{
total->m_secPerRead = static_cast<double>(total_rTime) / static_cast<double>(total_reads) / 1000.0;
}
if (total_writes != 0)
{
total->m_secPerWrite = static_cast<double>(total_wTime) / static_cast<double>(total_writes) / 1000.0;
}
if (total_transfers != 0)
{
#if defined(hpux)
total->m_secPerTransfer = static_cast<double>(total_tTime) / static_cast<double>(total_transfers) / 1000.0;
#elif defined(linux) || defined(sun)
total->m_secPerTransfer = static_cast<double>(total_rTime+total_wTime) / static_cast<double>(total_transfers) / 1000.0;
#endif
}
}
}
/**
Update all instances.
*/
void StatisticalLogicalDiskEnumeration::UpdateInstances()
{
scxulong total_reads = 0;
scxulong total_writes = 0;
#if defined(hpux)
scxulong total_tTime = 0;
#endif
scxulong total_rTime = 0;
scxulong total_wTime = 0;
scxulong total_transfers = 0;
scxulong total_rPercent = 0;
scxulong total_wPercent = 0;
scxulong total_tPercent = 0;
set<wstring> diskSet;
pair<set<wstring>::iterator,bool> Pair;
SCXCoreLib::SCXHandle<StatisticalLogicalDiskInstance> total = GetTotalInstance();
if (0 != total)
{
total->Reset();
SCX_LOGTRACE(m_log, L"Device being set to ONLINE for TOTAL instance");
total->m_online = true;
}
for (EntityIterator iter = Begin(); iter != End(); ++iter)
{
SCXCoreLib::SCXHandle<StatisticalLogicalDiskInstance> disk = *iter;
disk->Update();
Pair = diskSet.insert(disk->m_device);
if(Pair.second == false)
continue;
if (0 != total)
{
total->m_readsPerSec += disk->m_readsPerSec;
total->m_writesPerSec += disk->m_writesPerSec;
total->m_transfersPerSec += disk->m_transfersPerSec;
total->m_rBytesPerSec += disk->m_rBytesPerSec;
total->m_wBytesPerSec += disk->m_wBytesPerSec;
total->m_tBytesPerSec += disk->m_tBytesPerSec;
total->m_rTime += disk->m_rTime;
total->m_wTime += disk->m_wTime;
total->m_tTime += disk->m_tTime;
total->m_runTime += disk->m_runTime;
total->m_waitTime += disk->m_waitTime;
total->m_mbUsed += disk->m_mbUsed;
total->m_mbFree += disk->m_mbFree;
total_reads += disk->m_reads.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
total_writes += disk->m_writes.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
#if defined (hpux)
total_transfers += disk->m_transfers.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
total_tTime += disk->m_tTimes.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
#elif defined (linux)
total_transfers += disk->m_reads.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES) + disk->m_writes.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
total_rTime += disk->m_rTimes.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
total_wTime += disk->m_wTimes.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
#elif defined (sun)
total_transfers += disk->m_reads.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES) + disk->m_writes.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
total_rTime += disk->m_runTimes.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
total_wTime += disk->m_waitTimes.GetDelta(MAX_DISKINSTANCE_DATASAMPER_SAMPLES);
#endif
total_rPercent += disk->m_rPercentage;
total_wPercent += disk->m_wPercentage;
total_tPercent += disk->m_tPercentage;
}
}
if (0 != total)
{
if (Size() > 0)
{
total->m_rPercentage = total_rPercent/Size();
total->m_wPercentage = total_wPercent/Size();
total->m_tPercentage = total_tPercent/Size();
}
if (total_reads != 0)
{
total->m_secPerRead = static_cast<double>(total_rTime) / static_cast<double>(total_reads) / 1000.0;
}
if (total_writes != 0)
{
total->m_secPerWrite = static_cast<double>(total_wTime) / static_cast<double>(total_writes) / 1000.0;
}
if (total_transfers != 0)
{
#if defined(hpux)
total->m_secPerTransfer = static_cast<double>(total_tTime) / static_cast<double>(total_transfers) / 1000.0;
#elif defined(linux) || defined(sun)
total->m_secPerTransfer = static_cast<double>(total_rTime+total_wTime) / static_cast<double>(total_transfers) / 1000.0;
#endif
}
}
}