public function getValue(DBFarmRole $dbFarmRole, Scalr_Scaling_FarmRoleMetric $farmRoleMetric)
{
$servers = $dbFarmRole->GetServersByFilter(array('status' => SERVER_STATUS::RUNNING));
$DBFarm = $dbFarmRole->GetFarmObject();
if (count($servers) == 0) {
return 0;
}
$roleBWRaw = array();
$retval = array();
foreach ($servers as $DBServer) {
$type = $farmRoleMetric->getSetting(self::SETTING_BW_TYPE) == 'inbound' ? 'receive' : 'transmit';
$netStat = (array) $DBServer->scalarizr->system->netStat();
foreach ($netStat as $interface => $usage) {
if ($interface != 'lo') {
break;
}
}
if ($usage) {
array_push($roleBWRaw, round($usage->{$type}->bytes / 1024 / 1024, 2));
}
}
$roleBW = round(array_sum($roleBWRaw) / count($roleBWRaw), 2);
if ($farmRoleMetric->getSetting(self::SETTING_BW_LAST_VALUE_RAW) !== null && $farmRoleMetric->getSetting(self::SETTING_BW_LAST_VALUE_RAW) !== '') {
$time = time() - $farmRoleMetric->dtLastPolled;
$bandwidthUsage = ($roleBW - (double) $farmRoleMetric->getSetting(self::SETTING_BW_LAST_VALUE_RAW)) * 8;
$bandwidthChannelUsage = $bandwidthUsage / $time;
// in Mbits/sec
$retval = round($bandwidthChannelUsage, 2);
} else {
$retval = 0;
}
$farmRoleMetric->setSetting(self::SETTING_BW_LAST_VALUE_RAW, $roleBW);
return array($retval);
}
public function getValue(DBFarmRole $dbFarmRole, Scalr_Scaling_FarmRoleMetric $farmRoleMetric)
{
$servers = $dbFarmRole->GetServersByFilter(array('status' => SERVER_STATUS::RUNNING));
$DBFarm = $dbFarmRole->GetFarmObject();
if (count($servers) == 0) {
return 0;
}
$_roleBW = array();
$retval = array();
foreach ($servers as $DBServer) {
$port = $DBServer->GetProperty(SERVER_PROPERTIES::SZR_SNMP_PORT);
$type = $farmRoleMetric->getSetting(self::SETTING_BW_TYPE);
if (!$type) {
$type = 'outbound';
}
$this->snmpClient->connect($DBServer->remoteIp, $port ? $port : 161, $DBFarm->Hash, null, null, false);
preg_match_all("/[0-9]+/si", $this->snmpClient->get($this->snmpOids[$type]), $matches);
$bw_out = (double) $matches[0][0];
$bw = round($bw_out / 1024 / 1024, 2);
$_roleBW[] = $bw;
}
$roleBW = round(array_sum($_roleBW) / count($_roleBW), 2);
if ($farmRoleMetric->getSetting(self::SETTING_BW_LAST_VALUE_RAW) !== null && $farmRoleMetric->getSetting(self::SETTING_BW_LAST_VALUE_RAW) !== '') {
$time = time() - $farmRoleMetric->dtLastPolled;
$bandwidth_usage = ($roleBW - (double) $farmRoleMetric->getSetting(self::SETTING_BW_LAST_VALUE_RAW)) * 8;
$bandwidth_channel_usage = $bandwidth_usage / $time;
// in Mbits/sec
$retval = round($bandwidth_channel_usage, 2);
} else {
$retval = 0;
}
$farmRoleMetric->setSetting(self::SETTING_BW_LAST_VALUE_RAW, $roleBW);
return array($retval);
}
