public static void ListenWintUnsafeClass()
{
Console.WriteLine("----- Listening with Unsafe wrapper class and Rx query -----");
// this is the approach used by TraceEvent
// http://blogs.msdn.com/b/dotnet/archive/2013/08/15/announcing-traceevent-monitoring-and-diagnostics-for-the-cloud.aspx
// - It works in this case and provides better performance
// - In general means the user must think which data to copy as the first step in the query
// For example in query that joins begin and end event, we can't stop ETW from overwriting the buffer before matching end arrives
var instance = new RecvV4();
_raw = EtwObservable.FromSession(Baseline.SessionName);
var timeSource = new TimeSource <EtwNativeEvent>(_raw, e => e.TimeStamp);
var received = timeSource.Select(e =>
{
unsafe
{
instance.userData = (byte *)e.UserData.ToPointer();
}
return(instance);
});
var x = from window in received.Window(TimeSpan.FromSeconds(1), timeSource.Scheduler)
from stats in
(from packet in window
group packet by packet.daddr into g
from total in g.Sum(p => p.size)
select new
{
address = new IPAddress(g.Key).ToString(),
received = total
})
.ToList()
select stats.OrderBy(s => s.address);
_subscription = x.Subscribe(v =>
{
//Console.WriteLine("--- {0} ---", DateTime.Now);
//foreach (var s in v)
// Console.WriteLine("{0, -15} {1,-10:n0} ", s.address, s.received);
//Console.WriteLine();
});
timeSource.Connect();
Console.ReadLine();
_subscription.Dispose();
timeSource.Dispose();
}
public static void ListenWintUnsafeClass()
{
Console.WriteLine("----- Listening with Unsafe wrapper class and Rx query -----");
// this is the approach used by TraceEvent
// http://blogs.msdn.com/b/dotnet/archive/2013/08/15/announcing-traceevent-monitoring-and-diagnostics-for-the-cloud.aspx
// - It works in this case and provides better performance
// - In general means the user must think which data to copy as the first step in the query
// For example in query that joins begin and end event, we can't stop ETW from overwriting the buffer before matching end arrives
var instance = new RecvV4();
_raw = EtwObservable.FromSession(Baseline.SessionName);
var timeSource = new TimeSource<EtwNativeEvent>(_raw, e => e.TimeStamp);
var received = timeSource.Select(e =>
{
unsafe
{
instance.userData = (byte*) e.UserData.ToPointer();
}
return instance;
});
var x = from window in received.Window(TimeSpan.FromSeconds(1), timeSource.Scheduler)
from stats in
(from packet in window
group packet by packet.daddr into g
from total in g.Sum(p => p.size)
select new
{
address = new IPAddress(g.Key).ToString(),
received = total
})
.ToList()
select stats.OrderBy(s => s.address);
_subscription = x.Subscribe(v =>
{
//Console.WriteLine("--- {0} ---", DateTime.Now);
//foreach (var s in v)
// Console.WriteLine("{0, -15} {1,-10:n0} ", s.address, s.received);
//Console.WriteLine();
});
timeSource.Connect();
Console.ReadLine();
_subscription.Dispose();
timeSource.Dispose();
}
public static void ListenWintUnsafeClass()
{
Console.WriteLine("----- Listening with Unsafe wrapper class and Rx query -----");
var instance = new RecvV4();
_raw = EtwObservable.FromSession(Baseline.SessionName);
var timeSource = new TimeSource <EtwNativeEvent>(_raw, e => e.TimeStamp);
var received = timeSource.Select(e =>
{
unsafe
{
instance.userData = (byte *)e.UserData.ToPointer();
}
return(instance);
});
var x = from window in received.Window(TimeSpan.FromSeconds(1), timeSource.Scheduler)
from stats in
(from packet in window
group packet by packet.daddr into g
from total in g.Sum(p => p.size)
select new
{
address = new IPAddress(g.Key).ToString(),
received = total
})
.ToList()
select stats.OrderBy(s => s.address);
_subscription = x.Subscribe(v =>
{
//Console.WriteLine("--- {0} ---", DateTime.Now);
//foreach (var s in v)
// Console.WriteLine("{0, -15} {1,-10:n0} ", s.address, s.received);
//Console.WriteLine();
});
timeSource.Connect();
Console.ReadLine();
_subscription.Dispose();
timeSource.Dispose();
}
public static void ListenWintUnsafeClass()
{
Console.WriteLine("----- Listening with Unsafe wrapper class and Rx query -----");
var instance = new RecvV4();
_raw = EtwObservable.FromSession(Baseline.SessionName);
var timeSource = new TimeSource<EtwNativeEvent>(_raw, e => e.TimeStamp);
var received = timeSource.Select(e =>
{
unsafe
{
instance.userData = (byte*) e.UserData.ToPointer();
}
return instance;
});
var x = from window in received.Window(TimeSpan.FromSeconds(1), timeSource.Scheduler)
from stats in
(from packet in window
group packet by packet.daddr into g
from total in g.Sum(p => p.size)
select new
{
address = new IPAddress(g.Key).ToString(),
received = total
})
.ToList()
select stats.OrderBy(s => s.address);
_subscription = x.Subscribe(v =>
{
//Console.WriteLine("--- {0} ---", DateTime.Now);
//foreach (var s in v)
// Console.WriteLine("{0, -15} {1,-10:n0} ", s.address, s.received);
//Console.WriteLine();
});
timeSource.Connect();
Console.ReadLine();
_subscription.Dispose();
timeSource.Dispose();
}