SystemIPGlobalStatistics.cs

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using System.Net.Sockets;
 
namespace System.Net.NetworkInformation;
 
internal sealed class SystemIPGlobalStatistics : IPGlobalStatistics
{
    private readonly global::Interop.IpHlpApi.MibIpStats _stats;
 
    public override bool ForwardingEnabled => _stats.forwardingEnabled;
 
    public override int DefaultTtl => (int)_stats.defaultTtl;
 
    public override long ReceivedPackets => _stats.packetsReceived;
 
    public override long ReceivedPacketsWithHeadersErrors => _stats.receivedPacketsWithHeaderErrors;
 
    public override long ReceivedPacketsWithAddressErrors => _stats.receivedPacketsWithAddressErrors;
 
    public override long ReceivedPacketsForwarded => _stats.packetsForwarded;
 
    public override long ReceivedPacketsWithUnknownProtocol => _stats.receivedPacketsWithUnknownProtocols;
 
    public override long ReceivedPacketsDiscarded => _stats.receivedPacketsDiscarded;
 
    public override long ReceivedPacketsDelivered => _stats.receivedPacketsDelivered;
 
    public override long OutputPacketRequests => _stats.packetOutputRequests;
 
    public override long OutputPacketRoutingDiscards => _stats.outputPacketRoutingDiscards;
 
    public override long OutputPacketsDiscarded => _stats.outputPacketsDiscarded;
 
    public override long OutputPacketsWithNoRoute => _stats.outputPacketsWithNoRoute;
 
    public override long PacketReassemblyTimeout => _stats.packetReassemblyTimeout;
 
    public override long PacketReassembliesRequired => _stats.packetsReassemblyRequired;
 
    public override long PacketsReassembled => _stats.packetsReassembled;
 
    public override long PacketReassemblyFailures => _stats.packetsReassemblyFailed;
 
    public override long PacketsFragmented => _stats.packetsFragmented;
 
    public override long PacketFragmentFailures => _stats.packetsFragmentFailed;
 
    public override int NumberOfInterfaces => (int)_stats.interfaces;
 
    public override int NumberOfIPAddresses => (int)_stats.ipAddresses;
 
    public override int NumberOfRoutes => (int)_stats.routes;
 
    internal SystemIPGlobalStatistics(AddressFamily family)
    {
        uint ipStatisticsEx = global::Interop.IpHlpApi.GetIpStatisticsEx(out _stats, family);
        if (ipStatisticsEx != 0)
        {
            throw new NetworkInformationException((int)ipStatisticsEx);
        }
    }
}