/// <summary>
/// Updates the server descrption for the endpoints.
/// </summary>
public void SetApplicationDescription(string serverUri, ApplicationDescription server)
{
if (server == null)
{
throw new ArgumentNullException("server");
}
if (String.IsNullOrEmpty(server.ApplicationUri))
{
throw new ArgumentException("A ServerUri must provided.", "server");
}
if (server.DiscoveryUrls.Count == 0)
{
throw new ArgumentException("At least one DiscoveryUrl must be provided.", "server");
}
List <ConfiguredEndpoint> endpoints = GetEndpoints(server.ApplicationUri);
// create a placeholder endpoint for the server description.
if (endpoints.Count == 0)
{
string endpointUrl = null;
for (int ii = 0; ii < server.DiscoveryUrls.Count; ii++)
{
if (!String.IsNullOrEmpty(server.DiscoveryUrls[ii]))
{
endpointUrl = server.DiscoveryUrls[ii];
break;
}
}
if (endpointUrl != null && endpointUrl.EndsWith("/discovery", StringComparison.Ordinal))
{
endpointUrl = endpointUrl.Substring(0, endpointUrl.Length - "/discovery".Length);
}
if (endpointUrl != null)
{
ConfiguredEndpoint endpoint = Create(endpointUrl);
endpoint.Description.Server = (ApplicationDescription)server.MemberwiseClone();
Add(endpoint);
}
}
// update all endpoints with the same server uri.
else
{
foreach (ConfiguredEndpoint endpointToUpdate in GetEndpoints(serverUri))
{
endpointToUpdate.Description.Server = (ApplicationDescription)server.MemberwiseClone();
}
}
}
/// <summary>
/// Loads a collection of endpoints from a file.
/// </summary>
public static ConfiguredEndpointCollection Load(string filePath)
{
// load from file.
ConfiguredEndpointCollection endpoints;
using (Stream stream = File.OpenRead(filePath))
{
endpoints = Load(stream);
}
endpoints.m_filepath = filePath;
// remove invalid endpoints and ensure server descriptions are consistent.
List <ConfiguredEndpoint> endpointsToRemove = new List <ConfiguredEndpoint>();
Dictionary <string, ApplicationDescription> servers = new Dictionary <string, ApplicationDescription>();
foreach (ConfiguredEndpoint endpoint in endpoints.m_endpoints)
{
if (endpoint.Description == null)
{
endpointsToRemove.Add(endpoint);
continue;
}
// set a default value for the server.
if (endpoint.Description.Server == null)
{
endpoint.Description.Server = new ApplicationDescription();
endpoint.Description.Server.ApplicationType = ApplicationType.Server;
}
// set a default for application uri.
if (String.IsNullOrEmpty(endpoint.Description.Server.ApplicationUri))
{
endpoint.Description.Server.ApplicationUri = endpoint.Description.EndpointUrl;
}
if (endpoint.Description.Server.DiscoveryUrls == null)
{
endpoint.Description.Server.DiscoveryUrls = new StringCollection();
}
if (endpoint.Description.Server.DiscoveryUrls.Count == 0)
{
string discoveryUrl = endpoint.Description.EndpointUrl;
if (!discoveryUrl.StartsWith(Utils.UriSchemeOpcTcp))
{
discoveryUrl += "/discovery";
}
endpoint.Description.Server.DiscoveryUrls.Add(discoveryUrl);
}
// normalize transport profile uri.
if (endpoint.Description.TransportProfileUri != null)
{
endpoint.Description.TransportProfileUri = Profiles.NormalizeUri(endpoint.Description.TransportProfileUri);
}
ApplicationDescription server = null;
if (!servers.TryGetValue(endpoint.Description.Server.ApplicationUri, out server))
{
// use the first description in the file as the correct master.
server = endpoint.Description.Server;
servers[server.ApplicationUri] = server;
// check if the server uri needs to be made globally unique.
server.ApplicationUri = Utils.UpdateInstanceUri(server.ApplicationUri);
servers[server.ApplicationUri] = server;
continue;
}
endpoint.Description.Server = (ApplicationDescription)server.MemberwiseClone();
}
// remove invalid endpoints.
foreach (ConfiguredEndpoint endpoint in endpointsToRemove)
{
endpoints.Remove(endpoint);
}
// return processed collection.
return(endpoints);
}
