/// <summary>
/// Converts the glow tree with the root <paramref name="glow"/> to XML,
/// writing the XML to <paramref name="writer"/>.
/// </summary>
/// <param name="glow">The root of the Glow tree to convert.</param>
/// <param name="writer">The XmlWriter instance to write XML to.</param>
public static void Export(GlowContainer glow, XmlWriter writer)
{
var instance = new GlowXmlExport();
glow.Accept(instance, writer);
writer.WriteWhitespace(Environment.NewLine);
}
public void DispatchGlow(GlowContainer glow, Provider.Client source)
{
var visitor = new ConsumerToProviderTranslator(_endPoints);
var newGlow = glow.Accept(visitor, null).FirstOrDefault();
if (newGlow != null)
{
if (visitor.EndPointNumber != null)
{
// message to provider
var endPoint = (from ep in _endPoints
where ep.LocalNumber == visitor.EndPointNumber.Value
select ep)
.FirstOrDefault();
if (endPoint.State == Consumer.GlowEndPointState.Connected ||
endPoint.State == Consumer.GlowEndPointState.ProtocolProbing)
{
endPoint.Write(newGlow);
}
else
{
// if endpoint is offline, and a dir command has been issued
// on the endpoint node (top-level node) -> send empty top-level node
if (newGlow is GlowRootElementCollection)
{
var command = newGlow.FirstOrDefault() as GlowCommand;
if (command != null &&
command.Number == GlowCommandType.GetDirectory)
{
var root = GlowRootElementCollection.CreateRoot();
root.Insert(new GlowNode(endPoint.LocalNumber));
source.Write(root);
}
}
}
}
else
{
// message to proxy - usually command at root level
source.Write(newGlow);
}
}
}
