// Public Methods
/// <summary>
/// Converts sntp message into a byte array.
/// </summary>
public byte[] ToArray()
{
using (ByteWriter byteWriter = new ByteWriter(Constants.SNTP_MIN_MESSAGE_SIZE, ByteOrder.Network))
{
byteWriter.Write(_flags);
byteWriter.Write(_stratum);
byteWriter.Write(_poll);
byteWriter.Write(_precision);
byteWriter.Write(_rootdelay);
byteWriter.Write(_rootDispersion);
byteWriter.Write(_referenceIdentifier);
byteWriter.Write(_referenceTimestamp);
byteWriter.Write(_originateTimestamp);
byteWriter.Write(_receiveTimestamp);
byteWriter.Write(_transmitTimestamp);
byteWriter.Write(_keyIdentifier); // optional
byteWriter.Write(_messageDigest); //optional
return byteWriter.GetBytes();
}
}
/// <summary>
/// Converts dhcp message into a byte array.
/// </summary>
public byte[] ToArray()
{
ByteWriter byteWriter = new ByteWriter(Constants.DHCP_MIN_MESSAGE_SIZE, ByteOrder.Network);
byteWriter.Write(_op);
byteWriter.Write(_htype);
byteWriter.Write(_hlen);
byteWriter.Write(_hops);
byteWriter.Write(_xid);
byteWriter.Write(_secs); // (ReverseByteOrder(BitConverter.GetBytes(this._secs))) ??
byteWriter.Write(_flags);
byteWriter.Write(_ciaddr);
byteWriter.Write(_yiaddr);
byteWriter.Write(_siaddr);
byteWriter.Write(_giaddr);
byteWriter.Write(_chaddr);
byteWriter.Write(_sname);
byteWriter.Write(_file);
byte[] data = new byte[(_options.Count > 0 ? 4 + _options.Count * 2 + _optionDataSize + 1 : 0)];
int offset = 0;
if (_options.Count > 0)
{
BitConverter.GetBytes(Constants.DHCP_WIN_OPTIONS_MAGIC_NUMBER).CopyTo(data, offset);
offset += 4;
foreach (Byte optionId in _optionOrdering)
{
DhcpOption option = (DhcpOption)optionId;
if (this._options.Contains(option))
{
data[offset++] = optionId;
byte[] optionValue = (byte[])_options[option];
if (this._options[option] != null && optionValue.Length > 0)
{
data[offset++] = (Byte)optionValue.Length;
Array.Copy((byte[])_options[option], 0, data, offset, optionValue.Length);
offset += optionValue.Length;
}
}
}
foreach (DhcpOption option in _options.Keys)
{
if (Array.IndexOf(_optionOrdering, (Byte)option) == -1)
{
data[offset++] = (Byte)option;
byte[] optionValue = (byte[])_options[option];
if (this._options[option] != null && optionValue.Length > 0)
{
data[offset++] = (Byte)optionValue.Length;
Array.Copy((byte[])_options[option], 0, data, offset, optionValue.Length);
offset += optionValue.Length;
}
}
}
data[offset] = (Byte)DhcpOption.End;
}
byteWriter.Write(data);
return byteWriter.GetBytes();
}
internal void WriteBytes(ByteWriter bw)
{
bw.Write(_transactionID);
bw.Write(_flags);
}
