private ProtocolPacket StringToPacket(string line)
{
TextDataReader reader = new TextDataReader(line.Trim());
ProtocolCommandId cmd = (ProtocolCommandId)Enum.Parse(typeof(ProtocolCommandId), reader.ReadString());
return(ProtocolPacket.FromData(cmd, reader));
}
private static byte[] PacketToBytes(ProtocolPacket packet)
{
BinaryDataWriter writer = new BinaryDataWriter();
packet.GetData(writer);
return(writer.ToArray());
}
static string PacketToString(ProtocolPacket packet)
{
TextDataWriter writer = new TextDataWriter();
writer.Write(packet.CommandId.ToString());
packet.GetData(writer);
return(writer.ToString());
}
public static ProtocolPacket ReadPacket(BinaryReader reader, int total_len)
{
int chksum = reader.ReadInt32NetworkOrder();
byte cmd = reader.ReadByte();
byte[] data = reader.ReadAllBytes(total_len - 1);
if (CalculateChecksum(cmd, data) != chksum)
{
throw new InvalidDataException("Checksum does not match");
}
return(ProtocolPacket.FromData((ProtocolCommandId)cmd, new BinaryDataReader(data)));
}
public static void WritePacket(ProtocolPacket packet, BinaryWriter writer, bool write_length)
{
byte[] data = PacketToBytes(packet);
int total_len = 1 + data.Length;
byte cmd = (byte)(int)packet.CommandId;
int chksum = CalculateChecksum(cmd, data);
if (write_length)
{
writer.WriteNetworkOrder(total_len);
}
writer.WriteNetworkOrder(chksum);
writer.Write(cmd);
writer.Write(data);
writer.Flush();
}
public void WritePacket(ProtocolPacket packet)
{
_writer.WriteLine(PacketToString(packet));
}
public void WritePacket(ProtocolPacket packet)
{
WritePacket(packet, _writer, true);
}
