public SFrameMaskData(int DataLength, int KeyIndex, int TotalLenght, EOpcodeType Opcode)
{
this.DataLength = DataLength;
this.KeyIndex = KeyIndex;
this.TotalLenght = TotalLenght;
this.Opcode = Opcode;
}
public static ArraySegment <byte> GetFrameFromPacket(Packet message, EOpcodeType opcode = EOpcodeType.Binary)
{
byte[] response;
byte[] bytesRaw = message != null?message.ProtoSerialize() : Array.Empty <byte>();
byte[] frame = new byte[10];
int length = bytesRaw.Length;
frame[0] = (byte)(128 + (int)opcode);
int indexStartRawData;
if (length <= 125)
{
frame[1] = (byte)length;
indexStartRawData = 2;
}
else if (length >= 126 && length <= 65535)
{
frame[1] = (byte)126;
frame[2] = (byte)((length >> 8) & 255);
frame[3] = (byte)(length & 255);
indexStartRawData = 4;
}
else
{
frame[1] = (byte)127;
frame[2] = (byte)((length >> 56) & 255);
frame[3] = (byte)((length >> 48) & 255);
frame[4] = (byte)((length >> 40) & 255);
frame[5] = (byte)((length >> 32) & 255);
frame[6] = (byte)((length >> 24) & 255);
frame[7] = (byte)((length >> 16) & 255);
frame[8] = (byte)((length >> 8) & 255);
frame[9] = (byte)(length & 255);
indexStartRawData = 10;
}
response = new byte[indexStartRawData + length];
int i, reponseIdx = 0;
//Add the frame bytes to the reponse
for (i = 0; i < indexStartRawData; i++)
{
response[reponseIdx] = frame[i];
reponseIdx++;
}
//Add the data bytes to the response
for (i = 0; i < length; i++)
{
response[reponseIdx] = bytesRaw[i];
reponseIdx++;
}
return(new ArraySegment <byte>(response));
}
private static byte[] GetFrameFromString(string Message, EOpcodeType Opcode = EOpcodeType.Text)
{
byte[] response;
byte[] bytesRaw = Encoding.Default.GetBytes(Message);
byte[] frame = new byte[10];
int indexStartRawData = -1;
int length = bytesRaw.Length;
frame[0] = (byte)(128 + (int)Opcode);
if (length <= 125)
{
frame[1] = (byte)length;
indexStartRawData = 2;
}
else if (length >= 126 && length <= 65535)
{
frame[1] = (byte)126;
frame[2] = (byte)((length >> 8) & 255);
frame[3] = (byte)(length & 255);
indexStartRawData = 4;
}
else
{
frame[1] = (byte)127;
frame[2] = (byte)((length >> 56) & 255);
frame[3] = (byte)((length >> 48) & 255);
frame[4] = (byte)((length >> 40) & 255);
frame[5] = (byte)((length >> 32) & 255);
frame[6] = (byte)((length >> 24) & 255);
frame[7] = (byte)((length >> 16) & 255);
frame[8] = (byte)((length >> 8) & 255);
frame[9] = (byte)(length & 255);
indexStartRawData = 10;
}
response = new byte[indexStartRawData + length];
int i, reponseIdx = 0;
//Add the frame bytes to the reponse
for (i = 0; i < indexStartRawData; i++)
{
response[reponseIdx] = frame[i];
reponseIdx++;
}
//Add the data bytes to the response
for (i = 0; i < length; i++)
{
response[reponseIdx] = bytesRaw[i];
reponseIdx++;
}
Logger.Debug($"Produced Frame(Message:`{Message}`, OpCode=`{Opcode}`)");
return(response);
}
public static ArraySegment <byte> GetFrameFromString(string message, EOpcodeType opcode = EOpcodeType.Text)
{
byte[] response;
byte[] bytesRaw = Encoding.Default.GetBytes(message);
byte[] frame = new byte[10];
int length = bytesRaw.Length;
frame[0] = (byte)(128 + (int)opcode);
int indexStartRawData;
if (length <= 125)
{
frame[1] = (byte)length;
indexStartRawData = 2;
}
else if (length >= 126 && length <= 65535)
{
frame[1] = (byte)126;
frame[2] = (byte)((length >> 8) & 255);
frame[3] = (byte)(length & 255);
indexStartRawData = 4;
}
else
{
frame[1] = (byte)127;
frame[2] = (byte)((length >> 56) & 255);
frame[3] = (byte)((length >> 48) & 255);
frame[4] = (byte)((length >> 40) & 255);
frame[5] = (byte)((length >> 32) & 255);
frame[6] = (byte)((length >> 24) & 255);
frame[7] = (byte)((length >> 16) & 255);
frame[8] = (byte)((length >> 8) & 255);
frame[9] = (byte)(length & 255);
indexStartRawData = 10;
}
response = new byte[indexStartRawData + length];
int i, reponseIdx = 0;
//Add the frame bytes to the reponse
for (i = 0; i < indexStartRawData; i++)
{
response[reponseIdx] = frame[i];
reponseIdx++;
}
//Add the data bytes to the response
for (i = 0; i < length; i++)
{
response[reponseIdx] = bytesRaw[i];
reponseIdx++;
}
return(new ArraySegment <byte>(response));
}
private void messageCallback(IAsyncResult ar)
{
var sw = ar.AsyncState as SocketWrapper;
try
{
sw.workSocket.EndReceive(ar);
int bytesReceived = sw.workSocket.Receive(sw.buffer);
if (bytesReceived < sw.buffer.Length)
{
Array.Resize <byte>(ref sw.buffer, bytesReceived);
}
if (bytesReceived == 0)
{
AddMessage(String.Format("{0} 客户端退出", sw.workSocket.RemoteEndPoint.ToString()));
proxSockets.Remove(sw);
}
else
{
EOpcodeType opcode = WebSocketHelper.GetFrameOpcode(sw.buffer);
// If the connection was closed
if (opcode == EOpcodeType.ClosedConnection)
{
sw.workSocket.Close();
return;
}
AddMessage(string.Format("接收到客户端：{0} 的消息是：{1}", sw.workSocket.RemoteEndPoint.ToString(), WebSocketHelper.GetDataFromFrame(sw.buffer)));
sw.buffer = new Byte[SocketWrapper.BUFFER_SIZE];
sw.workSocket.BeginReceive(new byte[0], 0, 0, SocketFlags.None, messageCallback, sw);
}
}
catch (Exception ex)
{
sw.workSocket.Close();
sw.workSocket.Dispose();
Console.WriteLine(ex.Message);
}
}
/// <summary>Called when a message was received from the client</summary>
private void messageCallback(IAsyncResult AsyncResult)
{
try
{
GetSocket().EndReceive(AsyncResult);
// Read the incomming message
byte[] messageBuffer = new byte[2048];
int bytesReceived = GetSocket().Receive(messageBuffer);
// Resize the byte array to remove whitespaces
if (bytesReceived < messageBuffer.Length)
{
Array.Resize <byte>(ref messageBuffer, bytesReceived);
}
// Get the opcode of the frame
EOpcodeType opcode = Helpers.GetFrameOpcode(messageBuffer);
// If the connection was closed
if (opcode == EOpcodeType.ClosedConnection)
{
GetServer().ClientDisconnect(this);
return;
}
// Pass the message to the server event to handle the logic
GetServer().ReceiveMessage(this, Helpers.GetDataFromFrame(messageBuffer));
// Start to receive messages again
GetSocket().BeginReceive(new byte[] { 0 }, 0, 0, SocketFlags.None, messageCallback, null);
}
catch (Exception Exception)
{
GetSocket().Close();
GetSocket().Dispose();
GetServer().ClientDisconnect(this);
}
}
