public static T Parse <T>(string message, IUserInterface userInterface = null, bool throwJsonException = true) where T : CMakeMessage
{
try
{
CMakeMessage cMakeMessage;
JObject content = JObject.Parse(message, new JsonLoadSettings {
LineInfoHandling = LineInfoHandling.Ignore
});
userInterface?.WriteVerbose(content.ToString(Formatting.Indented));
switch (content["type"].Value <string>())
{
case "hello":
cMakeMessage = CMakeHelloMessage.Create(content);
break;
case "reply":
cMakeMessage = CMakeReplyMessage.Create(content);
break;
case "progress":
cMakeMessage = CMakeProgressMessage.Create();
break;
case "message":
cMakeMessage = CMakeMessageMessage.Create(content);
break;
case "signal":
userInterface?.WriteVerbose("Received signal message from cmake server. Signal messages are ignored.");
return(null);
default:
throw new FormattableException($"Unknown message type {content["type"].Value<string>()}.{Environment.NewLine}" +
$"Complete message: {message}");
}
if (cMakeMessage is T converted)
{
return(converted);
}
throw new FormattableException($"Expected message of type {typeof(T)}, but message was of type {cMakeMessage.GetType()}");
}
catch (JsonReaderException e)
{
if (throwJsonException)
{
throw new FormattableException($"Error while parsing the response json{Environment.NewLine}{message}.", e);
}
return(null);
}
}
private async Task <CMakeReplyMessage> WaitForReply(string type)
{
CMakeProgressMessage progressMessage = null;
CMakeMessageMessage messageMessage = null;
CMakeMessage message = null;
do
{
foreach (string singleMessage in await serverStream.ReadMessage()
.TimeoutAfter(CMakeServerTimeout)
.ConfigureAwait(false))
{
//Expect at least a progress message after default timeout
message = ParseMessage(singleMessage);
if (message is CMakeReplyMessage replyMessage)
{
CheckCookieAndType(replyMessage);
return(replyMessage);
}
}
} while (progressMessage != null ||
messageMessage != null ||
message == null);
throw new InvalidOperationException("This is not possible.");
void CheckCookieAndType(CMakeBaseResponseMessage responseMessage)
{
if (!string.IsNullOrEmpty(cookie) &&
responseMessage.Cookie != cookie)
{
throw new FormattableException($"Expected a message with the cookie {cookie}, " +
$"but got a message with the cookie {responseMessage.Cookie}. " +
"Someone else is taking to the server unexpectedly.");
}
if (responseMessage.ResponseType != type)
{
throw new FormattableException($"Expected a message in response to {type}, " +
$"but got a message in response to {responseMessage.ResponseType}. " +
"Someone else is taking to the server unexpectedly " +
"or the server is confusing.");
}
}
CMakeMessage ParseMessage(string singleMessage)
{
CMakeMessage parsedMessage = CMakeMessage.Parse <CMakeMessage>(singleMessage, userInterface);
progressMessage = parsedMessage as CMakeProgressMessage;
messageMessage = parsedMessage as CMakeMessageMessage;
if (messageMessage != null)
{
CheckCookieAndType(messageMessage);
if (messageMessage.Title.Contains("error", StringComparison.OrdinalIgnoreCase))
{
throw new FormattableException($"CMake discovered an error.{Environment.NewLine}" +
$"{messageMessage.Title}{Environment.NewLine}" +
$"==================================={Environment.NewLine}" +
$"{messageMessage.Message}");
}
}
return(parsedMessage);
}
}
