/// <summary>
/// Close a session.
/// </summary>
/// <param name="server">The server where the session is active.</param>
/// <param name="requestHeader">The request header of the session.</param>
public static void CloseSession(this SessionServerBase server, RequestHeader requestHeader)
{
// close session
var response = server.CloseSession(requestHeader, true);
ValidateResponse(response);
}
/// <summary>
/// Create and Activate a session without security.
/// </summary>
/// <remarks>
/// The request header is used to call services directly,
/// without establishing a session with a client.
/// </remarks>
/// <param name="server">The server to connect to.</param>
/// <param name="sessionName">A session name.</param>
/// <returns>The request header for the session.</returns>
public static RequestHeader CreateAndActivateSession(
this SessionServerBase server,
string sessionName,
double sessionTimeout = DefaultSessionTimeout,
uint maxResponseMessageSize = DefaultMaxResponseMessageSize)
{
// Find TCP endpoint
var endpoints = server.GetEndpoints();
var endpoint = endpoints.FirstOrDefault(e =>
e.TransportProfileUri.Equals(Profiles.UaTcpTransport) ||
e.TransportProfileUri.Equals(Profiles.HttpsBinaryTransport));
if (endpoint == null)
{
throw new System.Exception("Unsupported transport profile.");
}
// no security
endpoint.SecurityMode = MessageSecurityMode.None;
endpoint.SecurityPolicyUri = SecurityPolicies.None;
var context = new SecureChannelContext(
sessionName,
endpoint,
RequestEncoding.Binary);
// set security context
SecureChannelContext.Current = context;
var requestHeader = new RequestHeader();
// Create session
var response = server.CreateSession(
requestHeader,
null, null, null,
sessionName,
null, null, sessionTimeout, maxResponseMessageSize,
out var sessionId, out var authenticationToken, out sessionTimeout,
out var serverNonce, out var serverCertificate, out var endpointDescriptions,
out var serverSoftwareCertificates, out var signatureData, out var maxRequestMessageSize);
ValidateResponse(response);
// Activate session
requestHeader.AuthenticationToken = authenticationToken;
response = server.ActivateSession(requestHeader, signatureData, null, new StringCollection(), null, null,
out serverNonce, out var results, out var diagnosticInfos);
ValidateResponse(response);
return(requestHeader);
}
