protected override void OnWebSocketMessage(object sender, WebSocketMessageEventArgs e)
{
Debug.LogFormat("Web socket {1} message:\n{0}", e.Data, e.IsBinary ? "binary" : "string");
// Renew activity timer
ResetIdleTimer();
// Only process text messages
if (string.IsNullOrEmpty(e.Data))
{
return;
}
// Handle "turn.end" message as a new request id will be need to be generated!
var match = Regex.Match(e.Data, "^Path:([A-z\\.]+)", RegexOptions.Multiline);
if (match.Groups.Count == 2 && match.Groups[1].Value.Equals("turn.end"))
{
NewTurn();
}
else if (match.Groups.Count == 2 && match.Groups[1].Value.Equals("speech.phrase"))
{
// If a LUIS app script is attached then hand-off "speech.phrase" message as LUIS query request
if (luisApp != null)
{
string jsonBody = e.Data.Substring(e.Data.IndexOf("{"));
SpeechPhrase phrase = SpeechMessageHandler.ParseSpeechPhrase(jsonBody);
if (!string.IsNullOrEmpty(phrase.DisplayText))
{
Debug.Log("Send phrase to LUIS app: " + phrase.DisplayText);
luisApp.AddQueryToQueue(phrase.DisplayText);
}
}
}
// Raise web socket data handler event
if (OnData != null)
{
OnData(e.RawData, e.Data, e.IsBinary);
}
}
// Web Socket JSON data handler
public override void OnData(byte[] rawData, string text, Boolean isBinary)
{
//string text = Encoding.UTF8.GetString(rawData);
string path = "";
string requestId = "";
string body = "";
// detect message path type
var match = Regex.Match(text, "^Path:([A-z\\.]+)", RegexOptions.Multiline);
if (match.Groups.Count == 2 && match.Groups[1].Value.Length > 0)
{
path = match.Groups[1].Value;
}
// detect message request id
match = Regex.Match(text, "^X-RequestId:([A-z0-9]+)", RegexOptions.Multiline);
if (match.Groups.Count == 2 && match.Groups[1].Value.Length > 0)
{
requestId = match.Groups[1].Value;
}
// detect message json body
// match = Regex.Match (text, "^\\n?(\\{.*\\})", RegexOptions.Multiline | RegexOptions.Singleline);
// if (match.Groups.Count == 2 && match.Groups[1].Value.Length > 0) {
// body = match.Groups[1].Value.Trim ();
// }
body = text.Substring(text.IndexOf("{"));
if (String.IsNullOrEmpty(path) || String.IsNullOrEmpty(requestId) || String.IsNullOrEmpty(body))
{
Debug.LogError("Failed to parse speech message header and body:\n" + text);
return;
}
// decide what to do depending on message path type
if (path.Equals("speech.hypothesis"))
{
SpeechHypothesis hypothesis = ParseSpeechHypothesis(body);
RaiseOnReceivedData(this, new SpeechMessageEventArgs(requestId, hypothesis.Text, false));
}
else if (path.Equals("speech.phrase"))
{
SpeechPhrase phrase = ParseSpeechPhrase(body);
RaiseOnReceivedData(this, new SpeechMessageEventArgs(requestId, phrase.DisplayText, phrase.RecognitionStatus.Equals("Success")));
}
else if (path.Equals("speech.startDetected"))
{
SpeechDetected startDetected = ParseSpeechDetected(body);
RaiseOnReceivedData(this, new SpeechStartEventArgs(requestId, startDetected.Offset));
}
else if (path.Equals("speech.endDetected"))
{
SpeechDetected endDetected = ParseSpeechDetected(body);
RaiseOnReceivedData(this, new SpeechEndEventArgs(requestId, endDetected.Offset));
}
else if (path.Equals("turn.start"))
{
RaiseOnReceivedData(this, new TurnStartEventArgs(requestId, ""));
}
else if (path.Equals("turn.end"))
{
RaiseOnReceivedData(this, new TurnEndEventArgs(requestId));
}
else
{
Debug.LogWarning("Unhandled message path type: " + path);
}
}
