public override SrvLookup <TService> Start()
{
if (RunOnce)
{
return(this);
}
// Query DNS servers (SRV Required, TXT Optional)
var tasks = new[] { SrvQuery.Resolve(), TxtQuery.TryResolve() };
CTask.WhenAll(tasks).ContinueWith(t =>
{
try
{
DnsEntries = t.Result[0].Union(t.Result[1]).ToArray();
Completion.SetResult(ResultFactory);
}
catch (Exception ex)
{
Completion.SetException(ex);
}
});
return(this);
}
protected override async Task SerializeToStreamAsync(Stream stream, TransportContext context, CancellationToken cancellationToken)
{
var buffer = new byte[1024];
new Random(42).NextBytes(buffer);
while (true)
{
try
{
await stream.WriteAsync(buffer, cancellationToken);
}
catch (Exception ex)
{
Completion.SetException(ex);
return;
}
}
}
public virtual SrvLookup <TService> Start()
{
if (RunOnce)
{
return(this);
}
// Query DNS servers
SrvQuery.Resolve().ContinueWith(t =>
{
try
{
DnsEntries = t.Result;
Completion.SetResult(ResultFactory);
}
catch (Exception ex)
{
Completion.SetException(ex);
}
});
return(this);
}
public override SrvLookup <TService> Start()
{
if (RunOnce)
{
return(this);
}
// try to resolve - optional
TxtQuery.TryResolve().ContinueWith(t =>
{
try
{
DnsEntries = t.Result;
Completion.SetResult(ResultFactory);
}
catch (Exception ex)
{
Completion.SetException(ex);
}
});
return(this);
}
public Operation(Exception error) : this()
{
Completion.SetException(error);
}
