//適当なCloseフレームを送信し、切断する。
public void Disconnect()
{
try
{
//切断応答
var close_fragment_header = new WebSocketFragmentInfo();
close_fragment_header.FIN = true;
close_fragment_header.Opcode = WebSocketFragmentOpcode.ConnectionClose;
close_fragment_header.MASK = false;
close_fragment_header.PayloadLengthBits = PayloadLengthBits.Bits_7;
byte[] binary = close_fragment_header.ToBinary();
lock(send_lock_object)
{
stream.Write(binary,0,binary.Length);
}
Socket.Shutdown(SocketShutdown.Both);
}finally{
stream.Close();
Socket.Close();
}
}
public void SendMessage(WebSocketMessage msg)
{
//フラグメントヘッダを生成する
var wsfi = new WebSocketFragmentInfo();
wsfi.FIN = true;
wsfi.Opcode = msg.IsTextData ?
WebSocketFragmentOpcode.Text :
WebSocketFragmentOpcode.Binary;
wsfi.MASK = false;
byte[] data = msg.GetData();
if(data.Length <= 125)
{
wsfi.PayloadLengthBits = PayloadLengthBits.Bits_7;
}else if(data.Length <= 65535){
wsfi.PayloadLengthBits = PayloadLengthBits.Bits_23;
}else{
wsfi.PayloadLengthBits = PayloadLengthBits.Bits_71;
}
wsfi.PayloadLength = (ulong)data.LongLength;
byte[] fragment_header_data = wsfi.ToBinary();
//データを送信。
lock(send_lock_object)
{
stream.Write(fragment_header_data,0,fragment_header_data.Length);
stream.Write(data,0,data.Length);
}
}