private ErrorException ErrorExceptionFromWebException(WebException e)
{
var httpWebResponse = e.Response as HttpWebResponse;
if (null == httpWebResponse)
{
// some kind of network error: didn't even make a connection
return(new ErrorException(e.Message, e));
}
var statusCode = (HttpStatusCode)httpWebResponse.StatusCode;
switch (statusCode)
{
case HttpStatusCode.Unauthorized:
case HttpStatusCode.NotFound:
case HttpStatusCode.MethodNotAllowed:
case HttpStatusCode.UnprocessableEntity:
using (var responseReader = new StreamReader(httpWebResponse.GetResponseStream()))
{
ErrorException errorException = ErrorException.FromResponse(responseReader.ReadToEnd(), e);
if (errorException != null)
{
return(errorException);
}
return(new ErrorException(String.Format("Unknown error for {0}", statusCode), e));
}
case HttpStatusCode.InternalServerError:
case HttpStatusCode.NotImplemented:
case HttpStatusCode.BadGateway:
case HttpStatusCode.ServiceUnavailable:
case HttpStatusCode.GatewayTimeout:
case HttpStatusCode.HttpVersionNotSupported:
case HttpStatusCode.VariantAlsoNegotiates:
case HttpStatusCode.InsufficientStorage:
case HttpStatusCode.LoopDetected:
case HttpStatusCode.BandwidthLimitExceeded:
case HttpStatusCode.NotExtended:
case HttpStatusCode.NetworkAuthenticationRequired:
case HttpStatusCode.NetworkReadTimeoutError:
case HttpStatusCode.NetworkConnectTimeoutError:
return(new ErrorException("Something went wrong on our end, please try again", e));
default:
return(new ErrorException(String.Format("Unhandled status code {0}", statusCode), e));
}
}
/// <summary>Parse a WAMP message from the server.</summary>
private Response Parse(string msg)
{
const string msgTypePattern = @"^\[\s*(\d+)";
var match = System.Text.RegularExpressions.Regex.Match(msg, msgTypePattern, System.Text.RegularExpressions.RegexOptions.Singleline);
if (match.Groups.Count != 2)
{
throw new ErrorException("Error while parsing response from server.");
}
Messages messageId = (Messages)int.Parse(match.Groups[1].Value);
switch (messageId)
{
case Messages.WELCOME:
return(ParseWelcome(msg));
case Messages.GOODBYE:
return(ParseGoodbye(msg));
case Messages.SUBSCRIBED:
return(ParseSubscribed(msg));
case Messages.UNSUBSCRIBED:
return(ParseUnsubscribed(msg));
case Messages.EVENT:
return(ParseEvent(msg));
case Messages.RESULT:
return(ParseResult(msg));
case Messages.ERROR:
throw ErrorException.FromResponse(msg);
default:
throw new ErrorException("Unexpected result from server.");
}
}