/// <inheritdoc/>
public void Unregister(PushConnector connector)
{
if (_connectors.ContainsKey(connector.Id))
{
_logger.Information($"Unregister '{connector.Id}'");
_connectors.TryRemove(connector.Id, out PushConnector _);
}
else
{
_logger.Warning($"Connector with id '{connector.Id}' is not registered");
}
}
/// <inheritdoc/>
public override async Task <Empty> Open(IAsyncStreamReader <grpc.PushTagDataPoints> requestStream, ServerCallContext context)
{
var pushConnectorIdAsString = context.RequestHeaders.SingleOrDefault(_ => string.Equals(_.Key, "pushconnectorid", StringComparison.InvariantCultureIgnoreCase))?.Value;
if (string.IsNullOrEmpty(pushConnectorIdAsString))
{
throw new MissingConnectorIdentifierOnRequestHeader();
}
var pushConnectorName = context.RequestHeaders.SingleOrDefault(_ => string.Equals(_.Key, "pushconnectorname", StringComparison.InvariantCultureIgnoreCase))?.Value;
if (string.IsNullOrEmpty(pushConnectorName))
{
throw new MissingConnectorNameOnRequestHeader();
}
var id = (ConnectorId)Guid.Parse(pushConnectorIdAsString);
PushConnector pushConnector = null;
try
{
_logger.Information($"Register connector : '{pushConnectorName}' with Id: '{id}'");
pushConnector = new PushConnector(id, pushConnectorName);
_pushConnectors.Register(pushConnector);
while (await requestStream.MoveNext().ConfigureAwait(false))
{
_tagDataPointCoordinator.Handle(pushConnector.Name, requestStream.Current.DataPoints);
}
}
finally
{
if (pushConnector != null)
{
_pushConnectors.Unregister(pushConnector);
}
}
return(new Empty());
}
/// <inheritdoc/>
public void Register(PushConnector connector)
{
_logger.Information($"Register '{connector.Id}'");
_connectors[connector.Id] = connector;
}