public static AmqpSessionSettings Create(Begin begin)
{
AmqpSessionSettings settings = new AmqpSessionSettings();
settings.IncomingWindow = begin.OutgoingWindow;
settings.OutgoingWindow = begin.IncomingWindow;
settings.HandleMax = Math.Min(settings.HandleMax.Value, begin.HandleMax());
return settings;
}
public void OnBegin(Begin begin)
{
lock (this.SyncRoot)
{
if (begin.IncomingWindow.Value == uint.MaxValue)
{
this.outgoingWindow = this.remoteIncomingWindow = uint.MaxValue;
}
else
{
// Can happen in pipeline mode
uint alreadySent = this.Session.settings.OutgoingWindow.Value - this.outgoingWindow;
if (alreadySent > begin.IncomingWindow.Value)
{
this.remoteIncomingWindow = 0;
this.outgoingWindow = 0;
}
else
{
this.remoteIncomingWindow = begin.IncomingWindow.Value - alreadySent;
this.outgoingWindow = this.remoteIncomingWindow;
}
}
}
}
void OnReceiveBegin(Begin begin)
{
StateTransition stateTransition;
this.TransitState("R:BEGIN", StateTransition.ReceiveOpen, out stateTransition);
this.incomingChannel.OnBegin(begin);
if (stateTransition.To == AmqpObjectState.OpenReceived)
{
this.Open();
}
else
{
Exception exception = null;
Error error = this.Negotiate(begin);
if (error != null)
{
exception = new AmqpException(error);
}
this.CompleteOpen(false, exception);
if (exception != null)
{
this.TryClose(exception);
}
}
}
Error Negotiate(Begin begin)
{
this.outgoingChannel.OnBegin(begin);
if (begin.HandleMax.HasValue)
{
this.settings.HandleMax = Math.Min(this.settings.HandleMax.Value, begin.HandleMax.Value);
}
return null;
}
public void OnBegin(Begin begin)
{
lock (this.SyncRoot)
{
this.nextIncomingId = begin.NextOutgoingId.Value;
}
}