/// <summary>
/// Analyzes all the PingReply objects and derives some statistics
/// </summary>
public void ComputeStatistics()
{
log.Debug("Starting to compute statistics for " + Host + " for " + ReplyQueue.Count + " replies");
if (ReplyQueue.Count > 0)
{
MaxLatency = ReplyQueue.Peek().RoundtripTime;
MinLatency = MaxLatency;
long runningTotal = 0;
int errorCount = 0;
foreach (ICMPReply reply in ReplyQueue)
{
if (reply.Status == IPStatus.Success)
{
if (reply.RoundtripTime < MinLatency)
{
MinLatency = reply.RoundtripTime;
}
if (reply.RoundtripTime > MaxLatency)
{
MaxLatency = reply.RoundtripTime;
}
runningTotal += reply.RoundtripTime;
}
else
{
errorCount++;
}
}
AverageLatency = runningTotal / ReplyQueue.Count;
Jitter = MaxLatency - MinLatency;
PacketLostPercent = Math.Round(errorCount / (float)ReplyQueue.Count * 100, 1);
log.Debug("Min=" + MinLatency);
log.Debug("Max=" + MaxLatency);
log.Debug("Avg=" + AverageLatency);
log.Debug("Jitter=" + Jitter);
log.Debug("PacketLoss%=" + PacketLostPercent);
}
else
{
log.Warn("The PingReplyQueue is empty");
}
log.Debug("Completed calculating statistics");
}
static void timer_Tick(object sender, EventArgs e)
{
byte[] recvData;
for (int i = 0; i < 100; i++)
{
if (ReplyQueue.Count > 0)
{
recvData = ReplyQueue.Dequeue();
MemoryManager.DecodeResponse(recvData);
}
else
{
break;
}
}
}
public void Add(ICMPReply newReply)
{
log.Debug("Adding new reply");
ReplyQueue.Enqueue(newReply);
if (ReplyQueue.Count > MaxLength)
{
log.Debug("Reply queue to large. Dequeueing oldest item");
ReplyQueue.Dequeue();
}
log.Debug("Queue size [" + ReplyQueue.Count + "]");
ComputeStatistics();
log.Debug("Completed Add");
}
