public bool?Update(DateTime utcNow, long counter, ConnectionState?simulateConnection)
{
bool?result = null;
PeerGroup peerGroup = this.Location.PeerGroup;
if (peerGroup.CanPoll(utcNow, this.lastPolled))
{
ConnectionState priorConnection = this.Connection;
using (Pinger pinger = new Pinger(peerGroup.Wait))
{
TimeSpan roundtripTime = TimeSpan.Zero;
if (simulateConnection != null)
{
this.Connection = simulateConnection.Value;
}
else
{
bool?ping = pinger.TryPing(this.Location.Address, out roundtripTime);
switch (ping)
{
case true:
this.Connection = ConnectionState.Connected;
break;
case false:
this.Connection = ConnectionState.Disconnected;
break;
default:
this.Connection = ConnectionState.Unavailable;
break;
}
}
this.RoundtripTime = roundtripTime;
this.UpdateCounter = counter;
}
result = this.Connection != priorConnection;
this.lastPolled = utcNow;
}
return(result);
}
public bool?Update(DateTime utcNow, long counter, bool simulateFailure)
{
bool?result = null;
PeerGroup peerGroup = this.Location.PeerGroup;
if (peerGroup.CanPoll(utcNow, this.lastPolled))
{
bool?wasConnected = this.IsConnected;
using (Pinger pinger = new Pinger(peerGroup.Wait))
{
TimeSpan roundtripTime = TimeSpan.Zero;
this.IsConnected = !simulateFailure && pinger.TryPing(this.Location.Address, out roundtripTime);
this.RoundtripTime = roundtripTime;
this.UpdateCounter = counter;
}
result = this.IsConnected != wasConnected;
this.lastPolled = utcNow;
}
return(result);
}
