private List<ReplicationTopologySourceNode> HandleSources(IEnumerable<RavenJToken> sources, ReplicationTopologyRootNode root)
{
var nodes = new List<ReplicationTopologySourceNode>();
foreach (var sourceAsJson in sources.Cast<RavenJObject>())
{
SourceReplicationInformation source = null;
try
{
source = sourceAsJson.JsonDeserialization<SourceReplicationInformation>();
}
catch (Exception)
{
root.Errors.Add(string.Format("Could not deserialize source node."));
}
var node = HandleSource(source);
nodes.Add(node);
}
return nodes;
}
public ReplicationTopologyRootNode Discover()
{
var nextStart = 0;
var root = new ReplicationTopologyRootNode(database.ServerUrl, database.TransactionalStorage.Id);
if (ttl <= 0)
return root;
var destinations = database.Documents.Get(Constants.RavenReplicationDestinations, null);
var sources = database.Documents.GetDocumentsWithIdStartingWith(Constants.RavenReplicationSourcesBasePath, null, null, 0, int.MaxValue, database.WorkContext.CancellationToken, ref nextStart);
if (@from.Contains(database.ServerUrl) == false)
{
@from.Add(database.ServerUrl);
}
root.Destinations = HandleDestinations(destinations, root);
root.Sources = HandleSources(sources, root);
return root;
}
private bool TryGetSchema(string serverUrl, RavenConnectionStringOptions connectionStringOptions, out ReplicationTopologyRootNode rootNode, out string error)
{
var url = string.Format("{0}/admin/replication/topology/discover?&ttl={1}", serverUrl, ttl - 1);
try
{
var request = requestFactory.Create(url, "POST", connectionStringOptions);
request.Write(from);
error = null;
rootNode = request.ExecuteRequest<ReplicationTopologyRootNode>();
var visitedNodes = new HashSet<string>();
FindVisitedNodes(rootNode, visitedNodes);
foreach (var visitedNode in visitedNodes)
{
if (@from.Contains(visitedNode) == false)
{
@from.Add(visitedNode);
}
}
return true;
}
catch (Exception e)
{
error = e.Message;
rootNode = null;
return false;
}
}
private List<ReplicationTopologyDestinationNode> HandleDestinations(JsonDocument destinationsAsJson, ReplicationTopologyRootNode root)
{
var nodes = new List<ReplicationTopologyDestinationNode>();
if (destinationsAsJson == null)
return nodes;
ReplicationDocument destinations;
try
{
destinations = destinationsAsJson.DataAsJson.JsonDeserialization<ReplicationDocument>();
}
catch (Exception)
{
root.Errors.Add(string.Format("Could not deserialize '{0}'.", Constants.RavenReplicationDestinations));
return nodes;
}
nodes.AddRange(destinations.Destinations.Select(HandleDestination));
return nodes;
}