public static IEnumerable <System.Net.NetworkInformation.NetworkInterface> GetNetworkInterfaces(this ISocketReference reference)
{
foreach (System.Net.Sockets.Socket s in reference.GetReferencedSockets())
{
yield return(NetworkInterfaceExtensions.GetNetworkInterface(s));
}
}
public void TestInterframeGap()
{
long speedInBitsPerSecond;
double gapNanos;
double gapMicros;
System.TimeSpan microTime;
//Todo, method with various types of interfaces
foreach (var nif in NetworkInterfaceExtensions.GetNetworkInterface(System.Net.NetworkInformation.NetworkInterfaceType.Ethernet, System.Net.NetworkInformation.NetworkInterfaceType.Wireless80211))
{
//Speed changes for Wifi between calls but speed always shows 100000 would need interop to ask stack what the current speed or max speed is...
speedInBitsPerSecond = nif.Speed;
//Calulcate the gap in Nanoseconds
gapNanos = NetworkInterfaceExtensions.GetInterframeGapNanoseconds(nif);
//Caulcate the same gap but in Microseconds
gapMicros = NetworkInterfaceExtensions.GetInterframeGapMicroseconds(nif);
//Calulcate a TimeSpan which represents the total Microseconds.
microTime = TimeSpanExtensions.FromMicroseconds((double)gapMicros);
//Rounding ...
//if (TimeSpanExtensions.TotalMicroseconds(microTime) != gapMicros) throw new System.Exception("TotalMicroseconds");
//Verify that the conversion was correct
if ((int)TimeSpanExtensions.TotalMicroseconds(microTime) != (int)gapMicros)
{
throw new System.Exception("TotalMicroseconds");
}
//Calculate how much difference there is when converting from the microsecond term to the nano second term.
double diff = gapMicros * TimeSpanExtensions.NanosecondsPerMicrosecond - TimeSpanExtensions.TotalNanoseconds(microTime);
//If there was any difference
if (diff > 0)
{
//if that difference is greater than 1 nano second throw an exception
if (diff > NetworkInterfaceExtensions.MinimumInterframeGapBits)
{
throw new System.Exception("TotalNanoseconds");
}
else
{
System.Console.WriteLine("μs to ns conversion Different By: " + diff);
}
}
//Write the information
System.Console.WriteLine(string.Format("Name: {0}, Type: {1}, \r\nSpeed Bits Per Second: {2}, \r\nGapMicros:{3} GapNanos{4}, MicroTime:{5}", nif.Name, nif.NetworkInterfaceType, speedInBitsPerSecond, gapMicros, gapNanos, microTime));
System.Console.WriteLine("Speed In MBytes Per Second: " + NetworkInterfaceExtensions.GetSpeedInMBytesPerSecond(nif));
//Verify results
switch (speedInBitsPerSecond)
{
//1Gpbs
case 10000000000:
{
if (gapNanos != 9.6)
{
throw new System.Exception("Invalid InterframeGap");
}
break;
}
//1Gpbs
case 1000000000:
{
if (gapNanos != 96)
{
throw new System.Exception("Invalid InterframeGap");
}
break;
}
//100 Mbps
case 100000000:
{
if (gapNanos != 960)
{
throw new System.Exception("Invalid InterframeGap");
}
break;
}
//10 Mbps
case 10000000:
{
if (gapNanos != 9600)
{
throw new System.Exception("Invalid InterframeGap");
}
break;
}
//1 Mbps
case 1000000:
{
if (gapNanos != 96000)
{
throw new System.Exception("Invalid InterframeGap");
}
break;
}
}
}
////Todo, fix overflow for all speeds.
//for (int i = 1; i <= 1000000000; ++i)
//{
// speedInBitsPerSecond = i * 100;
// gapNanos = NetworkInterfaceExtensions.CaulculateInterframeGapNanoseconds(speedInBitsPerSecond);
// gapMicros = (long)(gapNanos * TimeSpanExtensions.NanosecondsPerMicrosecond);
// microTime = TimeSpanExtensions.FromMicroseconds((double)gapMicros);
// if ((int)TimeSpanExtensions.TotalMicroseconds(microTime) != (int)gapMicros) throw new System.Exception("TotalMicroseconds");
// //Calculate how much difference there is when converting from the microsecond term to the nano second term.
// double diff = gapMicros * TimeSpanExtensions.NanosecondsPerMicrosecond - TimeSpanExtensions.TotalNanoseconds(microTime);
// if (diff > 0)
// {
// //if that difference is greater than 1 nano second throw an exception
// if (diff > TimeSpanExtensions.NanosecondsPerTick) throw new System.Exception("TotalNanoseconds");
// else System.Console.WriteLine("μs to ns conversion Different By: " + diff);
// }
// System.Console.WriteLine(string.Format("Name{0}, Type: {1}, Speed: {2}, GapMicros:{3} GapNanos{4}, MicroTime:{5}", "N/A", "N/A", speedInBitsPerSecond, gapMicros, gapNanos, microTime));
// System.Console.WriteLine("Speed In MBytes Per Second: " + speedInBitsPerSecond / TimeSpanExtensions.NanosecondsPerMillisecond);
//}
}