public static LogEntry For(CloseSessionRequest request)
{
LogEntry entry = new LogEntry("CloseSessionRequest");
entry.Add("RequestHeader", For(request.RequestHeader));
entry.Add("DeleteSubscriptions", For(request.DeleteSubscriptions));
return(entry);
}
protected override async Task OnCloseAsync(CancellationToken token)
{
var closeSessionRequest = new CloseSessionRequest
{
DeleteSubscriptions = true
};
var closeSessionResponse = await this.CloseSessionAsync(closeSessionRequest).ConfigureAwait(false);
await base.OnCloseAsync(token).ConfigureAwait(false);
}
public override Task <CloseSessionReply> CloseSession(CloseSessionRequest request, ServerCallContext context)
{
Console.WriteLine($"SPRO CloseSession for {request.Username} / {request.Type}");
string ok = "nok";
if (_sessionsType != null && _sessionsType == request.Type &&
RemoveUser(request.Username))
{
ok = "ok";
Console.WriteLine($"SPRO CloseSession for {request.Username} / {request.Type} GRANTED");
}
return(Task.FromResult(new CloseSessionReply {
Ok = ok
}));
}
public async Task <CloseSessionResponse> CloseSessionAsync(CloseSessionRequest closeSessionRequest)
{
UpdateRequestHeader(closeSessionRequest, true, "CloseSession");
CloseSessionResponse closeSessionResponse = null;
try
{
if (UseTransportChannel)
{
var serviceResponse = await Task <IServiceResponse> .Factory.FromAsync(TransportChannel.BeginSendRequest, TransportChannel.EndSendRequest, closeSessionRequest, null).ConfigureAwait(false);
if (serviceResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
ValidateResponse(serviceResponse.ResponseHeader);
closeSessionResponse = (CloseSessionResponse)serviceResponse;
}
else
{
var closeSessionResponseMessage = await Task <CloseSessionResponseMessage> .Factory.FromAsync(InnerChannel.BeginCloseSession, InnerChannel.EndCloseSession, new CloseSessionMessage(closeSessionRequest), null).ConfigureAwait(false);
if (closeSessionResponseMessage == null || closeSessionResponseMessage.CloseSessionResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
closeSessionResponse = closeSessionResponseMessage.CloseSessionResponse;
ValidateResponse(closeSessionResponse.ResponseHeader);
}
}
finally
{
RequestCompleted(closeSessionRequest, closeSessionResponse, "CloseSession");
}
return(closeSessionResponse);
}
/// <summary>
/// Closes a session.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="CloseSessionRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="CloseSessionResponse"/>.</returns>
public static async Task <CloseSessionResponse> CloseSessionAsync(this IRequestChannel channel, CloseSessionRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
return((CloseSessionResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Closes a session.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="CloseSessionRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="CloseSessionResponse"/>.</returns>
/// <seealso href="https://reference.opcfoundation.org/v104/Core/docs/Part4/5.6.4/">OPC UA specification Part 4: Services, 5.6.4</seealso>
internal static async Task <CloseSessionResponse> CloseSessionAsync(this IRequestChannel channel, CloseSessionRequest request, CancellationToken token = default)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((CloseSessionResponse)await channel.RequestAsync(request, token).ConfigureAwait(false));
}
/// <summary>
/// Begins an asynchronous invocation of the CloseSession service.
/// </summary>
public IAsyncResult BeginCloseSession(
RequestHeader requestHeader,
bool deleteSubscriptions,
AsyncCallback callback,
object asyncState)
{
CloseSessionRequest request = new CloseSessionRequest();
request.RequestHeader = requestHeader;
request.DeleteSubscriptions = deleteSubscriptions;
UpdateRequestHeader(request, requestHeader == null, "CloseSession");
if (UseTransportChannel)
{
return TransportChannel.BeginSendRequest(request, callback, asyncState);
}
return InnerChannel.BeginCloseSession(new CloseSessionMessage(request), callback, asyncState);
}
/// <summary>
/// Invokes the CloseSession service.
/// </summary>
public virtual ResponseHeader CloseSession(
RequestHeader requestHeader,
bool deleteSubscriptions)
{
CloseSessionRequest request = new CloseSessionRequest();
CloseSessionResponse response = null;
request.RequestHeader = requestHeader;
request.DeleteSubscriptions = deleteSubscriptions;
UpdateRequestHeader(request, requestHeader == null, "CloseSession");
try
{
if (UseTransportChannel)
{
IServiceResponse genericResponse = TransportChannel.SendRequest(request);
if (genericResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
ValidateResponse(genericResponse.ResponseHeader);
response = (CloseSessionResponse)genericResponse;
}
else
{
CloseSessionResponseMessage responseMessage = InnerChannel.CloseSession(new CloseSessionMessage(request));
if (responseMessage == null || responseMessage.CloseSessionResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
response = responseMessage.CloseSessionResponse;
ValidateResponse(response.ResponseHeader);
}
}
finally
{
RequestCompleted(request, response, "CloseSession");
}
return response.ResponseHeader;
}
/// <summary>
/// Initializes the message with the body.
/// </summary>
public CloseSessionMessage(CloseSessionRequest CloseSessionRequest)
{
this.CloseSessionRequest = CloseSessionRequest;
}
protected override async Task OnCloseAsync(CancellationToken token)
{
token.ThrowIfCancellationRequested();
var closeSessionRequest = new CloseSessionRequest
{
DeleteSubscriptions = true
};
await this.RequestAsync(closeSessionRequest).ConfigureAwait(false);
await base.OnCloseAsync(token).ConfigureAwait(false);
}
