public async Task SendAsync(TCPClient client, Packet packet)
{
if (packet == null)
{
throw new NullReferenceException("packet is null");
}
if (client == null)
{
throw new NullReferenceException("client is null");
}
byte[] data = packet.Data;
ClientOpcode opcode = packet.Opcode;
byte[] buffer = new byte[data.Length + 4];
Array.Copy(BitConverter.GetBytes((ushort)data.Length), 0, buffer, 0, 2);
Array.Copy(BitConverter.GetBytes((ushort)opcode), 0, buffer, 2, 2);
Array.Copy(data, 0, buffer, 4, data.Length);
await client.SendAsync(buffer, buffer.Length);
}
