public static byte[] SerializeToBytes(RouteMessage instance)
{
using (MemoryStream ms = new MemoryStream()) {
Serialize(ms, instance);
return(ms.ToArray());
}
}
public static RouteMessage Deserialize(Stream stream)
{
RouteMessage instance = new RouteMessage();
Deserialize(stream, instance);
return(instance);
}
public static Message FromChunk(Chunk chunk, KeyStorage keyStorage)
{
if (chunk == null)
{
return(null);
}
using (MemoryStream ms = new MemoryStream(chunk.Data)) {
byte[] whisper = new byte[7];
if (ms.Read(whisper, 0, whisper.Length) != whisper.Length)
{
throw new InvalidDataException("Header not right length");
}
if (Encoding.ASCII.GetString(whisper) != "Whisper")
{
throw new InvalidDataException("Missing header");
}
MessageHeader header = MessageHeader.Deserialize(ProtocolParser.ReadBytes(ms));
byte[] messageBytes = ProtocolParser.ReadBytes(ms);
Message message;
switch (header.MessageId)
{
case 1:
message = TreeMessage.Deserialize(messageBytes);
break;
case 2:
message = RouteMessage.Deserialize(messageBytes);
break;
case 3:
message = ListMessage.Deserialize(messageBytes);
break;
default:
throw new NotImplementedException();
}
//Verify signature
if (header.Signature != null)
{
foreach (PublicKey key in keyStorage.PublicKeys)
{
if (key.Verify(messageBytes, header.Signature))
{
message.Signature = key;
break;
}
}
}
return(message);
}
}
public static byte[] SerializeMessage(Message m)
{
if (m is TreeMessage)
{
return(TreeMessage.SerializeToBytes((TreeMessage)m));
}
if (m is RouteMessage)
{
return(RouteMessage.SerializeToBytes((RouteMessage)m));
}
if (m is ListMessage)
{
return(ListMessage.SerializeToBytes((ListMessage)m));
}
throw new NotImplementedException();
}
public static void Serialize(Stream stream, RouteMessage instance)
{
if (instance.MessageChunkHash == null)
{
throw new ArgumentNullException("MessageChunkHash", "Required by proto specification.");
}
ProtocolParser.WriteKey(stream, new ProtocolBuffers.Key(1, Wire.LengthDelimited));
ProtocolParser.WriteBytes(stream, instance.MessageChunkHash);
if (instance.To == null)
{
throw new ArgumentNullException("To", "Required by proto specification.");
}
ProtocolParser.WriteKey(stream, new ProtocolBuffers.Key(2, Wire.LengthDelimited));
ProtocolParser.WriteString(stream, instance.To);
if (instance.Chunks != null)
{
foreach (byte[] i3 in instance.Chunks)
{
ProtocolParser.WriteKey(stream, new ProtocolBuffers.Key(3, Wire.LengthDelimited));
ProtocolParser.WriteBytes(stream, i3);
}
}
}
