public IPacket Read(SocketClient socket)
{
try {
bool fin = (socket.Buffer[0] & 0x80) == 0x80;
bool rsv1 = (socket.Buffer[0] & 0x40) == 0x40;
bool rsv2 = (socket.Buffer[0] & 0x20) == 0x20;
bool rsv3 = (socket.Buffer[0] & 0x10) == 0x10;
OpCode opCode = (OpCode)((socket.Buffer[0] & 0x8) | (socket.Buffer[0] & 0x4) | (socket.Buffer[0] & 0x2) | (socket.Buffer[0] & 0x1));
bool mask = (socket.Buffer[1] & 0x80) == 0x80;
byte payload = (byte)((socket.Buffer[1] & 0x40) | (socket.Buffer[1] & 0x20) | (socket.Buffer[1] & 0x10) | (socket.Buffer[1] & 0x8) | (socket.Buffer[1] & 0x4) | (socket.Buffer[1] & 0x2) | (socket.Buffer[1] & 0x1));
ulong length = 0;
switch (payload)
{
case 126:
byte[] bytesUShort = socket.Receive(2);
if (bytesUShort != null)
{
length = BitConverter.ToUInt16(bytesUShort.Reverse().ToArray(), 0);
}
break;
case 127:
byte[] bytesULong = socket.Receive(8);
if (bytesULong != null)
{
length = BitConverter.ToUInt16(bytesULong.Reverse().ToArray(), 0);
}
break;
default:
length = payload;
break;
}
byte[] maskKeys = null;
if (mask)
{
maskKeys = socket.Receive(4);
}
WSPacket packet = null;
if (length > 0)
{
byte[] data = socket.Receive((int)length);
if (mask)
{
for (int i = 0; i < data.Length; ++i)
{
data[i] = (byte)(data[i] ^ maskKeys[i % 4]);
}
}
ushort closeCode = 0;
if (opCode == OpCode.Close && data.Length == 2)
{
closeCode = BitConverter.ToUInt16(((byte[])data.Clone()).Reverse().ToArray(), 0);
}
if (closeCode != 0)
{
packet = new WSPacket(data, opCode, closeCode);
}
else
{
packet = new WSPacket(data, opCode);
}
}
else
{
packet = new WSPacket(null, opCode);
}
return(packet);
} catch (Exception ex) {
Log.Add("websocket transport protocol Read exception: " + ex.ToString());
}
return(null);
}
public IPacket Read(SocketClient socket)
{
try {
bool fin = (socket.Buffer[0] & 0x80) == 0x80;
bool rsv1 = (socket.Buffer[0] & 0x40) == 0x40;
bool rsv2 = (socket.Buffer[0] & 0x20) == 0x20;
bool rsv3 = (socket.Buffer[0] & 0x10) == 0x10;
OpCode opCode = (OpCode)((socket.Buffer[0] & 0x8) | (socket.Buffer[0] & 0x4) | (socket.Buffer[0] & 0x2) | (socket.Buffer[0] & 0x1));
bool mask = (socket.Buffer[1] & 0x80) == 0x80;
byte payload = (byte)((socket.Buffer[1] & 0x40) | (socket.Buffer[1] & 0x20) | (socket.Buffer[1] & 0x10) | (socket.Buffer[1] & 0x8) | (socket.Buffer[1] & 0x4) | (socket.Buffer[1] & 0x2) | (socket.Buffer[1] & 0x1));
ulong length = 0;
switch(payload) {
case 126:
byte[] bytesUShort = socket.Receive(2);
if(bytesUShort != null) {
length = BitConverter.ToUInt16(bytesUShort.Reverse().ToArray(), 0);
}
break;
case 127:
byte[] bytesULong = socket.Receive(8);
if(bytesULong != null) {
length = BitConverter.ToUInt16(bytesULong.Reverse().ToArray(), 0);
}
break;
default:
length = payload;
break;
}
byte[] maskKeys = null;
if(mask) {
maskKeys = socket.Receive(4);
}
WSPacket packet = null;
if(length > 0) {
byte[] data = socket.Receive((int)length);
if(mask) {
for(int i = 0; i < data.Length; ++i) {
data[i] = (byte)(data[i] ^ maskKeys[i % 4]);
}
}
ushort closeCode = 0;
if(opCode == OpCode.Close && data.Length == 2) {
closeCode = BitConverter.ToUInt16(((byte[])data.Clone()).Reverse().ToArray(), 0);
}
if(closeCode != 0) {
packet = new WSPacket(data, opCode, closeCode);
} else {
packet = new WSPacket(data, opCode);
}
} else {
packet = new WSPacket(null, opCode);
}
return packet;
} catch(Exception ex) {
Log.Add("websocket transport protocol Read exception: " + ex.ToString());
}
return null;
}
