private async Task PollNetworkUtilizationAsync()
{
var utilizationTable = _canQueryAdapterUtilization
? "Win32_PerfRawData_Tcpip_NetworkAdapter"
: "Win32_PerfRawData_Tcpip_NetworkInterface";
var query = $@"
SELECT Name,
Timestamp_Sys100NS,
BytesReceivedPersec,
BytesSentPersec,
PacketsReceivedPersec,
PacketsSentPersec
FROM {utilizationTable}";
var queryTime = DateTime.UtcNow.ToEpochTime();
var combinedUtil = new Interface.InterfaceUtilization
{
DateEpoch = queryTime,
InAvgBps = 0,
OutAvgBps = 0
};
using (var q = Wmi.Query(Endpoint, query))
{
foreach (var data in await q.GetDynamicResultAsync().ConfigureAwait(false))
{
var perfData = new PerfRawData(this, data);
var name = perfData.Identifier;
var iface = Interfaces.Find(i => name == GetCounterName(i.Name));
if (iface == null)
{
continue;
}
iface.InBps = (float)perfData.GetCalculatedValue("BytesReceivedPersec", 10000000);
iface.OutBps = (float)perfData.GetCalculatedValue("BytesSentPersec", 10000000);
iface.InPps = (float)perfData.GetCalculatedValue("PacketsReceivedPersec", 10000000);
iface.OutPps = (float)perfData.GetCalculatedValue("PacketsSentPersec", 10000000);
var util = new Interface.InterfaceUtilization
{
DateEpoch = queryTime,
InAvgBps = iface.InBps,
OutAvgBps = iface.OutBps
};
var netData = NetHistory.GetOrAdd(iface.Name, k => new List <Interface.InterfaceUtilization>(1024));
UpdateHistoryStorage(netData, util);
if (PrimaryInterfaces.Contains(iface))
{
combinedUtil.InAvgBps += util.InAvgBps;
combinedUtil.OutAvgBps += util.OutAvgBps;
}
}
}
UpdateHistoryStorage(CombinedNetHistory, combinedUtil);
}
private async Task PollNetworkUtilization()
{
const string query = @"
SELECT Name,
BytesReceivedPersec,
BytesSentPersec,
PacketsReceivedPersec,
PacketsSentPersec
FROM Win32_PerfFormattedData_Tcpip_NetworkInterface";
var queryTime = DateTime.UtcNow.ToEpochTime();
var combinedUtil = new Interface.InterfaceUtilization
{
DateEpoch = queryTime,
InAvgBps = 0,
OutAvgBps = 0
};
using (var q = Wmi.Query(Name, query))
{
foreach (var data in await q.GetDynamicResult())
{
if (data == null)
{
continue;
}
var iface = Interfaces.FirstOrDefault(i => data.Name == GetCounterName(i.Name));
if (iface == null)
{
continue;
}
iface.InBps = data.BytesReceivedPersec;
iface.OutBps = data.BytesSentPersec;
iface.InPps = data.PacketsReceivedPersec;
iface.OutPps = data.PacketsSentPersec;
var util = new Interface.InterfaceUtilization
{
DateEpoch = queryTime,
InAvgBps = iface.InBps,
OutAvgBps = iface.OutBps
};
var netData = NetHistory.GetOrAdd(iface.Name, k => new List <Interface.InterfaceUtilization>(1024));
UpdateHistoryStorage(netData, util);
if (PrimaryInterfaces.Contains(iface))
{
combinedUtil.InAvgBps += util.InAvgBps;
combinedUtil.OutAvgBps += util.OutAvgBps;
}
}
}
UpdateHistoryStorage(CombinedNetHistory, combinedUtil);
}
