public SynchronizationTopology Flatten()
{
var topology = new SynchronizationTopology();
topology.Servers.Add(ServerUrl);
var queue = new Queue <SynchronizationTopologyNodeBase>();
queue.Enqueue(this);
while (queue.Count > 0)
{
var node = queue.Dequeue();
foreach (var dst in node.Destinations)
{
HandleLink(topology, node, dst);
queue.Enqueue(dst);
}
foreach (var source in node.Sources)
{
HandleLink(topology, node, source);
queue.Enqueue(source);
}
}
return(topology);
}
private static void HandleLink(SynchronizationTopology topology, SynchronizationTopologyNodeBase source, SynchronizationTopologyNodeBase target)
{
topology.Servers.Add(source.ServerUrl);
topology.Servers.Add(target.ServerUrl);
SynchronizationTopologyConnection connection = null;
if (target is SynchronizationTopologyDestinationNode)
{
var destinationNode = (SynchronizationTopologyDestinationNode)target;
// going to destination
connection = topology.GetConnection(source.ServerUrl, target.ServerUrl) ?? new SynchronizationTopologyConnection();
connection.Source = source.ServerUrl;
connection.Destination = target.ServerUrl;
connection.SourceToDestinationState = destinationNode.State;
connection.SendServerId = destinationNode.SendServerId;
connection.Errors = destinationNode.Errors;
}
else if (target is SynchronizationTopologySourceNode)
{
// going to source
var sourceNode = (SynchronizationTopologySourceNode)target;
connection = topology.GetConnection(target.ServerUrl, source.ServerUrl) ?? new SynchronizationTopologyConnection();
connection.Source = target.ServerUrl;
connection.Destination = source.ServerUrl;
connection.DestinationToSourceState = sourceNode.State;
connection.StoredServerId = sourceNode.StoredServerId;
connection.LastSourceFileEtag = sourceNode.LastSourceFileEtag;
}
topology.Connections.Add(connection);
}
public SynchronizationTopology Flatten()
{
var topology = new SynchronizationTopology();
topology.Servers.Add(ServerUrl);
var queue = new Queue <SynchronizationTopologyNodeBase>();
queue.Enqueue(this);
while (queue.Count > 0)
{
var node = queue.Dequeue();
foreach (var dst in node.Destinations)
{
HandleLink(topology, node, dst);
queue.Enqueue(dst);
}
foreach (var source in node.Sources)
{
HandleLink(topology, node, source);
queue.Enqueue(source);
}
}
foreach (var connection in topology.Connections)
{
connection.Source = GetUrlByResourceId(connection.SourceServerId, connection.Source);
connection.Destination = GetUrlByResourceId(connection.DestinationServerId, connection.Destination);
Guid resourceId;
if (connection.DestinationServerId.HasValue == false &&
urlToResourceId.TryGetValue(connection.Destination, out resourceId))
{
connection.DestinationServerId = resourceId;
}
topology.Servers.Add(connection.Source);
topology.Servers.Add(connection.Destination);
}
return(topology);
}
private void HandleLink(SynchronizationTopology topology, SynchronizationTopologyNodeBase source, SynchronizationTopologyNodeBase target)
{
SynchronizationTopologyConnection connection = null;
if (target is SynchronizationTopologyDestinationNode)
{
var destinationNode = (SynchronizationTopologyDestinationNode)target;
// going to destination
var sourceServerId = destinationNode.SendServerId;
var sourceUrl = AddToCache(sourceServerId, source.ServerUrl);
var destinationId = GetResourceId(destinationNode.DestinationServerId, destinationNode.ServerUrl);
var targetUrl = AddToCache(destinationId, destinationNode.ServerUrl);
connection = topology.GetConnection(sourceServerId, destinationId, sourceUrl, targetUrl);
if (connection == null)
{
connection = new SynchronizationTopologyConnection();
topology.Connections.Add(connection);
}
connection.SendServerId = destinationNode.SendServerId;
connection.DestinationServerId = destinationId;
connection.SourceUrl.Add(source.ServerUrl);
connection.DestinationUrl.Add(target.ServerUrl);
connection.SourceToDestinationState = destinationNode.State;
connection.Errors = destinationNode.Errors;
//left for backward compatibility with v3.0
connection.Source = sourceUrl;
connection.Destination = targetUrl;
}
else if (target is SynchronizationTopologySourceNode)
{
// going to source
var sourceNode = (SynchronizationTopologySourceNode)target;
var sourceServerId = sourceNode.StoredServerId;
var sourceUrl = AddToCache(sourceServerId, target.ServerUrl);
var destinationId = GetResourceId(sourceNode.DestinationServerId, source.ServerUrl);
var targetUrl = AddToCache(destinationId, source.ServerUrl);
connection = topology.GetConnection(sourceServerId, destinationId, sourceUrl, targetUrl);
if (connection == null)
{
connection = new SynchronizationTopologyConnection();
topology.Connections.Add(connection);
}
connection.StoredServerId = sourceServerId;
connection.DestinationServerId = destinationId;
connection.SourceUrl.Add(target.ServerUrl);
connection.DestinationUrl.Add(source.ServerUrl);
connection.DestinationToSourceState = sourceNode.State;
connection.LastSourceFileEtag = sourceNode.LastSourceFileEtag;
//left for backward compatibility with v3.0
connection.Source = sourceUrl;
connection.Destination = targetUrl;
}
topology.Connections.Add(connection);
}
