/// <summary>
/// Attempts to decode the signal in the message and convert it to the appropriate <seealso cref="vrmeeting.messages.signals.Signals"/> </summary>
/// <param name="message"> The raw message to extract the signal from </param>
/// <returns> Returns the <seealso cref="vrmeeting.messages.signals.Signals"/> that was encoded into the message </returns>
/// <exception cref="InvalidMessageException"> If there is an error with the format of the message such that the signal cannot be extracted </exception>
private static ServerSignals extractSignal(byte[] message)
{
int delimiterIndex = findSignalDelimiterIndex(message);
ByteBuffer buffer = new ByteBuffer(message);
string stringSignal = buffer.ReadString(delimiterIndex);
//string messageAsString = StringHelper.NewString(message);
//string str = System.Text.Encoding.Default.GetString(message);
//Debug.Log(str);
//Get the string that represents the signal
//string stringSignal = messageAsString.Substring(0, delimiterIndex);
//Debug.Log(stringSignal);
try
{
//ServerSignals signal = ServerSignals.valueOf(stringSignal);
//ServerSignals signal;
ServerSignals signal = (ServerSignals)Enum.Parse(typeof(ServerSignals), stringSignal, true);
return(signal);
}
catch (System.ArgumentException)
{
//If the string doesn't represent any of the valid signals
throw new InvalidMessageException("Error parsing message: Unknown signal '" + stringSignal + "'");
}
}
/// <summary>
/// Parses the raw 'message' passed into the function according to the VRMeeting Messaging Protocol </summary>
/// <param name="message"> The message to validate </param>
/// <returns> Returns a <seealso cref="Message"/> object which represents the parsed raw message </returns>
/// <exception cref="InvalidMessageException"> Thrown if the message is invalid </exception>
/// <seealso cref= <a href="https://github.com/psymj1/VRMeeting-Documentation">VRMeeting Messaging Protocol</a> </seealso>
public static Message parseMessage(byte[] message)
{
if (message == null)
{
throw new System.ArgumentException("Error parsing message: message cannot be null");
}
if (!(message.Length > 0))
{
throw new System.ArgumentException("Error parsing message: The byte array cannot be empty");
}
//if (message.Length > ProtocolConfig.MAX_POSSIBLE_SERIALIZED_MESSAGE_LENGTH)
//{
// throw new InvalidMessageException("Error parsing message: The maximum possible message size defined by the VRMeeting Messaging Protocol is " + ProtocolConfig.MAX_POSSIBLE_SERIALIZED_MESSAGE_LENGTH + " but the message supplied is " + message.Length + " bytes long");
//}
ServerSignals signal = extractSignal(message);
switch (signal)
{
case ServerSignals.AUDI:
return(parseAUDIMessage(message));
case ServerSignals.CHNG:
return(parseCHNGMessage(message));
case ServerSignals.END:
return(parseENDMessage());
//case TOKE:
// return parseTOKEMessage(message);
case ServerSignals.AUTH:
return(parseAUTHMessage());
case ServerSignals.VAL:
return(parseVALMessage());
case ServerSignals.NVAL:
return(parseNVALMessage());
case ServerSignals.MEET:
return(parseMEETMessage());
case ServerSignals.UDM:
return(parseUDMMessage(message));
case ServerSignals.EAUD:
return(parseEAUDMessage(message));
case ServerSignals.LEFT:
return(parseLEFTMessage(message));
default:
throw new InvalidMessageException("Warning: A " + signal.ToString() + " message should not be received by the server");
}
}
