public static bool unserialize(byte[] received, ref CommandHeader header, ref string command, ref string data)
{
if (CommandHeader.getHeader(received, ref header))
{
if (header.command_length + header.data_length + CommandHeader.HEADER_SIZE == received.Length)
{
command = Encoding.ASCII.GetString(received, CommandHeader.HEADER_SIZE, header.command_length);
data = Encoding.ASCII.GetString(received, CommandHeader.HEADER_SIZE + header.command_length, (int)header.data_length);
return(true);
}
}
return(false);
}
public static byte[] serialize(ref CommandHeader header_s, string command_str, string data_str)
{
byte[] command = Encoding.ASCII.GetBytes(command_str);
byte[] data = Encoding.ASCII.GetBytes(data_str);
header_s.command_length = (byte)command.Length;
header_s.data_length = (Int32)data.Length;
byte[] header = header_s.toBytes();
byte[] msg = new byte[header.Length + command.Length + data.Length];
Array.Copy(header, 0, msg, 0, header.Length);
Array.Copy(command, 0, msg, header.Length, command.Length);
Array.Copy(data, 0, msg, header.Length + command.Length, data.Length);
return(msg);
}
public static bool getHeader(byte[] received, ref CommandHeader header)
{
if (received.Length < CommandHeader.HEADER_SIZE)
{
return false;
}
else
{
header.command_length = received[0];
header.last_part = received[CommandHeader.HEADER_SIZE - 1];
if (BitConverter.IsLittleEndian)
{
byte[] copy = new byte[CommandHeader.HEADER_SIZE];
Array.Copy(received, copy, CommandHeader.HEADER_SIZE);
Array.Reverse(copy, 1, 4);
header.id_num = BitConverter.ToInt32(copy, 1);
Array.Reverse(copy, 5, 4);
header.port = BitConverter.ToInt32(copy, 5);
Array.Reverse(copy, 9, 4);
header.data_length = BitConverter.ToInt32(copy, 9);
Array.Reverse(copy, 13, 4);
header.part_num = BitConverter.ToInt32(copy, 13);
}
else
{
header.id_num = BitConverter.ToInt32(received, 1);
header.port = BitConverter.ToInt32(received, 5);
header.data_length = BitConverter.ToInt32(received, 9);
header.part_num = BitConverter.ToInt32(received, 13);
}
return true;
}
}
