private byte[] AssembleSessionMessage(SessionMessageBase message,
uint sequenceNumber,
uint sourceParticipantId,
uint targetParticipantId = 0)
{
var fragment = new SessionFragmentMessage();
fragment.Header.IsFragment = message.Header.IsFragment;
fragment.Header.ChannelId = message.Header.ChannelId;
fragment.Header.RequestAcknowledge = message.Header.RequestAcknowledge;
fragment.Header.SessionMessageType = message.Header.SessionMessageType;
fragment.Header.Version = message.Header.Version;
fragment.Header.SequenceNumber = sequenceNumber;
fragment.Header.SourceParticipantId = sourceParticipantId;
fragment.Header.TargetParticipantId = targetParticipantId;
var writer = new EndianWriter();
message.Serialize(writer);
fragment.Fragment = writer.ToBytes();
((ICryptoMessage)fragment).Crypto = _crypto;
var finalWriter = new EndianWriter();
fragment.Serialize(finalWriter);
return(finalWriter.ToBytes());
}
public MessageInfo ReadMessage(byte[] encryptedMessage)
{
var message = new SessionFragmentMessage();
message.Crypto = _crypto;
message.Deserialize(new BEReader(encryptedMessage));
if (message.InvalidSignature)
{
throw new Exception("Invalid message signature.");
}
var info = new MessageInfo()
{
RequestAcknowledge = message.Header.RequestAcknowledge,
Version = message.Header.Version,
ChannelId = message.Header.ChannelId,
MessageType = message.Header.SessionMessageType.ToString(),
Data = message.Fragment
};
if (message.Header.SessionMessageType == SessionMessageType.Json)
{
var jsonMessage = new JsonMessage();
jsonMessage.Deserialize(new BEReader(message.Fragment));
info.Json = jsonMessage.Json;
}
return(info);
}
