public static string ReadVariable(ref Socket clientSocket, string variableRead, GH_Component component)
{
if (clientSocket == null)
{
throw new ArgumentNullException(nameof(clientSocket));
}
if (variableRead == null)
{
throw new ArgumentNullException(nameof(variableRead));
}
if (component == null)
{
throw new ArgumentNullException(nameof(component));
}
byte[] messageReq = ReadMessageRequest(variableRead, out var outputString);
byte[] receivedData = new byte[256];
int receivedBytes = 0;
try //Try to receive message.
{
int sentBytes = clientSocket.Send(messageReq); //Request a specific message according to VarRead variable
component.AddRuntimeMessage(GH_RuntimeMessageLevel.Remark,
"Sent:" + sentBytes.ToString() + " bytes as " + outputString);
component.Message = "Sent";
receivedBytes = clientSocket.Receive(receivedData); //Receive data back.
}
catch (SocketException e)
{
component.ClearRuntimeMessages();
component.AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Your connection is abruptly closed by the host, make sure to check your cables and if the server is running.");
}
catch (ArgumentNullException e)
{
component.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Read Variable :{0}" + e.ToString());
}
catch (ObjectDisposedException e)
{
component.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Read Variable :{0}" + e.ToString());
}
catch (SecurityException e)
{
component.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Write Variable Receive :{0}" + e.ToString());
}
//Format received data to extract value.
MessageReceiveFormat response = new MessageReceiveFormat(receivedData);
component.AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Received:" + receivedBytes.ToString() + " bytes as" + response._varValue);
component.Message = "Received";
return(response._varValue);
}