private MessageHeader analyseHead(Byte[] buffer)
{
MessageHeader header = new MessageHeader();
header.FIN = (buffer[0] & 0x80) == 0x80 ? charOne : charZero;
header.RSV1 = (buffer[0] & 0x40) == 0x40 ? charOne : charZero;
header.RSV2 = (buffer[0] & 0x20) == 0x20 ? charOne : charZero;
header.RSV3 = (buffer[0] & 0x10) == 0x10 ? charOne : charZero;
if ((buffer[0] & 0xA) == 0xA)
header.Opcode = OperType.Pong;
else if ((buffer[0] & 0x9) == 0x9)
header.Opcode = OperType.Ping;
else if ((buffer[0] & 0x8) == 0x8)
header.Opcode = OperType.Close;
else if ((buffer[0] & 0x2) == 0x2)
header.Opcode = OperType.Binary;
else if ((buffer[0] & 0x1) == 0x1)
header.Opcode = OperType.Text;
else if ((buffer[0] & 0x0) == 0x0)
header.Opcode = OperType.Row;
header.MASK = (buffer[1] & 0x80) == 0x80 ? charOne : charZero;
Int32 len = buffer[1] & 0x7F;
if (len == 126)
{
header.Payloadlen = (UInt16)(buffer[2] << 8 | buffer[3]);
if (header.MASK == charOne)
{
header.Maskey = new Byte[4];
Buffer.BlockCopy(buffer, 4, header.Maskey, 0, 4);
header.PayloadDataStartIndex = 8;
}
else
header.PayloadDataStartIndex = 4;
}
else if (len == 127)
{
Byte[] byteLen = new Byte[8];
Buffer.BlockCopy(buffer, 4, byteLen, 0, 8);
header.Payloadlen = BitConverter.ToUInt64(byteLen, 0);
if (header.MASK == charOne)
{
header.Maskey = new Byte[4];
Buffer.BlockCopy(buffer, 10, header.Maskey, 0, 4);
header.PayloadDataStartIndex = 14;
}
else
header.PayloadDataStartIndex = 10;
}
else
{
if (header.MASK == charOne)
{
header.Maskey = new Byte[4];
Buffer.BlockCopy(buffer, 2, header.Maskey, 0, 4);
header.PayloadDataStartIndex = 6;
}
else
header.PayloadDataStartIndex = 2;
}
return header;
}
private MessageHeader analyseHead(Byte[] buffer)
{
MessageHeader header = new MessageHeader();
header.FIN = (buffer[0] & 0x80) == 0x80 ? charOne : charZero;
header.RSV1 = (buffer[0] & 0x40) == 0x40 ? charOne : charZero;
header.RSV2 = (buffer[0] & 0x20) == 0x20 ? charOne : charZero;
header.RSV3 = (buffer[0] & 0x10) == 0x10 ? charOne : charZero;
if ((buffer[0] & 0xA) == 0xA)
{
header.Opcode = OperType.Pong;
}
else if ((buffer[0] & 0x9) == 0x9)
{
header.Opcode = OperType.Ping;
}
else if ((buffer[0] & 0x8) == 0x8)
{
header.Opcode = OperType.Close;
}
else if ((buffer[0] & 0x2) == 0x2)
{
header.Opcode = OperType.Binary;
}
else if ((buffer[0] & 0x1) == 0x1)
{
header.Opcode = OperType.Text;
}
else if ((buffer[0] & 0x0) == 0x0)
{
header.Opcode = OperType.Row;
}
header.MASK = (buffer[1] & 0x80) == 0x80 ? charOne : charZero;
Int32 len = buffer[1] & 0x7F;
if (len == 126)
{
header.Payloadlen = (UInt16)(buffer[2] << 8 | buffer[3]);
if (header.MASK == charOne)
{
header.Maskey = new Byte[4];
Buffer.BlockCopy(buffer, 4, header.Maskey, 0, 4);
header.PayloadDataStartIndex = 8;
}
else
{
header.PayloadDataStartIndex = 4;
}
}
else if (len == 127)
{
Byte[] byteLen = new Byte[8];
Buffer.BlockCopy(buffer, 4, byteLen, 0, 8);
header.Payloadlen = BitConverter.ToUInt64(byteLen, 0);
if (header.MASK == charOne)
{
header.Maskey = new Byte[4];
Buffer.BlockCopy(buffer, 10, header.Maskey, 0, 4);
header.PayloadDataStartIndex = 14;
}
else
{
header.PayloadDataStartIndex = 10;
}
}
else
{
if (header.MASK == charOne)
{
header.Maskey = new Byte[4];
Buffer.BlockCopy(buffer, 2, header.Maskey, 0, 4);
header.PayloadDataStartIndex = 6;
}
else
{
header.PayloadDataStartIndex = 2;
}
}
return(header);
}