/// <summary>
/// Connect client
/// </summary>
/// <param name="baseAdapter"></param>
/// <param name="connProperties"></param>
/// <returns></returns>
public NetGraph ConnectClient(IDataAdapter baseAdapter, PropertyBag connProperties)
{
IDataAdapter server = null;
IDataAdapter client = null;
ProxyToken token = null;
NetGraph graph = null;
NetGraph retGraph = null;
MetaDictionary meta = new MetaDictionary();
PropertyBag properties = new PropertyBag("Properties");
try
{
properties.AddBag(connProperties);
token = _proxyServer.Accept(baseAdapter, meta, _globalMeta, this);
if (token != null)
{
token = FilterToken(token);
if (token.Status == NetStatusCodes.Success)
{
ProxyClient proxyClient = token.Client ?? _proxyClient;
if (token.Bind)
{
client = proxyClient.Bind(token, _logger, meta, _globalMeta, properties.AddBag("Client"));
}
else
{
client = proxyClient.Connect(token, _logger, meta, _globalMeta, properties.AddBag("Client"));
}
server = _proxyServer.Complete(token, meta, _globalMeta, this, client);
if ((token.Status == NetStatusCodes.Success) && (client != null))
{
NetGraphFactory factory = token.Graph != null ? token.Graph : _factory;
token.PopulateBag(properties.AddBag("Token"));
// Negotiate SSL or other bespoke encryption mechanisms
if (token.Layers != null)
{
foreach (INetworkLayer layer in token.Layers)
{
layer.Negotiate(ref server, ref client, token, _logger, meta,
_globalMeta, properties, DefaultBinding);
}
}
var clients = factory.GetNodes <ClientEndpointFactory>();
var servers = factory.GetNodes <ServerEndpointFactory>();
if ((clients.Length > 0) && (servers.Length > 0))
{
graph = CreateNetGraph(factory, meta, properties);
graph.BindEndpoint(clients[0].Id, client);
graph.BindEndpoint(servers[0].Id, server);
if (token.NetworkDescription != null)
{
graph.NetworkDescription = token.NetworkDescription;
}
else
{
graph.NetworkDescription = String.Format("{0} <=> {1}",
server.Description, client.Description);
}
PropertyBag networkService = properties.AddBag("NetworkService");
networkService.AddValue("ClientId", clients[0].Id);
networkService.AddValue("ServerId", servers[0].Id);
networkService.AddValue("ClientAdapter", client);
networkService.AddValue("ServerAdapter", server);
networkService.AddValue("Token", token);
graph.Start();
OnNewConnection(graph);
retGraph = graph;
}
else
{
_logger.LogError(CANAPE.Net.Properties.Resources.ProxyNetworkService_InvalidGraph);
}
}
}
else
{
_logger.LogVerbose(CANAPE.Net.Properties.Resources.ProxyNetworkService_ConnectionFiltered);
server = _proxyServer.Complete(token, meta, _globalMeta, this, client);
}
}
}
catch (Exception ex)
{
_logger.LogException(ex);
}
finally
{
if (retGraph == null)
{
try
{
if (graph != null)
{
((IDisposable)graph).Dispose();
}
if (server != null)
{
server.Dispose();
}
if (client != null)
{
client.Dispose();
}
if (token != null)
{
token.Dispose();
}
}
catch (Exception ex)
{
Logger.SystemLogger.LogException(ex);
}
}
}
return(retGraph);
}
