public static async Task <PipeMessage> ProcessRequestAsync(PipeMessage request)
{
var needInstance = false;
var result = default(PipeMessage);
var pipe = new PipeClient(c_pipeName);
try
{
result = await pipe.ProcessRequest(request);
}
catch (PipeServerBrokenPipeException)
{
needInstance = true;
}
catch (PipeServerNotFoundException)
{
needInstance = true;
}
if (needInstance)
{
await CreatePipeServer(c_pipeName);
result = await pipe.ProcessRequest(request);
}
return(result);
}
public static PipeMessage FromString(string request)
{
if (string.IsNullOrEmpty(request))
{
return(Empty);
}
var xml = XElement.Parse(request);
if (xml.Name != "Message")
{
throw new InvalidOperationException("Invalid request format");
}
var result = new PipeMessage
{
Name = (string)xml.Attribute("Name"),
IsError = ((int?)xml.Attribute("IsError") ?? 0) > 0,
ErrorCode = (string)xml.Attribute("ErrorCode"),
ErrorText = (string)xml.Attribute("ErrorText")
};
foreach (var element in xml.Elements("Data"))
{
result[(string)element.Attribute("Key")] = element.Value;
}
return(result);
}
public async Task <PipeMessage> ProcessRequest(PipeMessage message)
{
var resultMessage = await ProcessRequest(message.ToString());
var result = PipeMessage.FromString(resultMessage);
if (result.IsError)
{
throw new PipeServerException(result.ErrorCode, result.ErrorText);
}
return(result);
}
