public static async Task <int> GetHighestTrafficDevice(CaptureDeviceList devices, int timeoutMs)
{
System.Collections.Concurrent.ConcurrentDictionary <int, int> bag = new System.Collections.Concurrent.ConcurrentDictionary <int, int>();
var isCapturing = true;
var tasks = new List <Task>();
for (var index = 0; index < devices.Count; ++index)
{
devices[index].Open(DeviceMode.Promiscuous, timeoutMs);
bag[index] = 0;
var currentIndex = index;
tasks.Add(new Task(() =>
{
while (isCapturing)
{
var rawCapture = devices[currentIndex].GetNextPacket();
if (rawCapture != null && bag.ContainsKey(currentIndex))
{
++bag[currentIndex];
}
}
}));
}
foreach (Task task in tasks)
{
task.Start();
}
await Task.Run(() =>
{
Thread.Sleep(timeoutMs);
isCapturing = false;
});
await Task.WhenAll(tasks);
foreach (var device in devices)
{
device.Close();
}
return(bag.First(item => item.Value == bag.Max(currentItem => currentItem.Value)).Key);
}