public static HandshakeResponseMessage ParseResponseMessage(ReadOnlyMemory <byte> payload)
{
using (var reader = CreateJsonTextReader(payload))
{
var token = JToken.ReadFrom(reader);
var handshakeJObject = JsonUtils.GetObject(token);
// a handshake response does not have a type
// check the incoming message was not any other type of message
var type = JsonUtils.GetOptionalProperty <string>(handshakeJObject, TypePropertyName);
if (!string.IsNullOrEmpty(type))
{
throw new InvalidOperationException("Handshake response should not have a 'type' value.");
}
var error = JsonUtils.GetOptionalProperty <string>(handshakeJObject, ErrorPropertyName);
return(new HandshakeResponseMessage(error));
}
}
public static bool TryParseRequestMessage(ReadOnlySequence <byte> buffer, out HandshakeRequestMessage requestMessage, out SequencePosition consumed, out SequencePosition examined)
{
if (!TryReadMessageIntoSingleMemory(buffer, out consumed, out examined, out var memory))
{
requestMessage = null;
return(false);
}
if (!TextMessageParser.TryParseMessage(ref memory, out var payload))
{
throw new InvalidDataException("Unable to parse payload as a handshake request message.");
}
using (var reader = CreateJsonTextReader(payload))
{
var token = JToken.ReadFrom(reader);
var handshakeJObject = JsonUtils.GetObject(token);
var protocol = JsonUtils.GetRequiredProperty <string>(handshakeJObject, ProtocolPropertyName);
requestMessage = new HandshakeRequestMessage(protocol);
}
return(true);
}