本文整理汇总了C#中ReadState.Clear方法的典型用法代码示例。如果您正苦于以下问题：C# ReadState.Clear方法的具体用法？C# ReadState.Clear怎么用？C# ReadState.Clear使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ReadState的用法示例。
在下文中一共展示了ReadState.Clear方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: ReceiveData
public static void ReceiveData(List<byte> data, ReadState readState, Action<FrameType, byte[]> processFrame)
{
while (data.Count >= 2)
{
var isFinal = (data[0] & 128) != 0;
var frameType = (FrameType)(data[0] & 15);
var isMasked = (data[1] & 128) != 0;
var length = (data[1] & 127);
if (!isMasked)
throw new WebSocketException("Client data must be masked");
if (frameType == FrameType.Continuation && !readState.FrameType.HasValue)
throw new WebSocketException("Unexpected continuation frame received");
var index = 2;
int payloadLength;
if (length == 127)
{
if (data.Count < index + 8)
return; //Not complete
payloadLength = data.Skip(index).Take(8).ToArray().ToLittleEndianInt();
index += 8;
}
else if (length == 126)
{
if (data.Count < index + 2)
return; //Not complete
payloadLength = data.Skip(index).Take(2).ToArray().ToLittleEndianInt();
index += 2;
}
else
{
payloadLength = length;
}
if (data.Count < index + 4)
return; //Not complete
var maskBytes = data.Skip(index).Take(4).ToArray();
index += 4;
if (data.Count < index + payloadLength)
return; //Not complete
var payload = data
.Skip(index)
.Take(payloadLength)
.Select((x, i) => (byte)(x ^ maskBytes[i % 4]));
readState.Data.AddRange(payload);
data.RemoveRange(0, index + payloadLength);
if (frameType != FrameType.Continuation)
readState.FrameType = frameType;
if (isFinal && readState.FrameType.HasValue)
{
var stateData = readState.Data.ToArray();
var stateFrameType = readState.FrameType;
readState.Clear();
processFrame(stateFrameType.Value, stateData);
}
}
}示例2: ReceiveData
public static void ReceiveData(List<byte> data, ReadState readState, Fleck2Extensions.Action<FrameType, byte[]> processFrame)
{
while (data.Count >= 2)
{
var isFinal = (data[0] & 128) != 0;
var reservedBits = (data[0] & 112);
var frameType = (FrameType)(data[0] & 15);
var isMasked = (data[1] & 128) != 0;
var length = (data[1] & 127);
if (!isMasked
|| !Enum.IsDefined(typeof(FrameType), frameType)
|| reservedBits != 0 //Must be zero per spec 5.2
|| (frameType == FrameType.Continuation && !readState.FrameType.HasValue))
throw new WebSocketException(WebSocketStatusCodes.ProtocolError);
var index = 2;
int payloadLength;
switch (length)
{
case 127:
if (data.Count < index + 8)
return; //Not complete
payloadLength = data.Skip(index).Take(8).ToArray().ToLittleEndianInt();
index += 8;
break;
case 126:
if (data.Count < index + 2)
return; //Not complete
payloadLength = data.Skip(index).Take(2).ToArray().ToLittleEndianInt();
index += 2;
break;
default:
payloadLength = length;
break;
}
if (data.Count < index + 4)
return; //Not complete
var maskBytes = data.Skip(index).Take(4).ToList();
index += 4;
if (data.Count < index + payloadLength)
return; //Not complete
var i = 0;
var payload = data.Skip(index)
.Take(payloadLength)
.Select(value => (byte)(value ^ maskBytes[i++ % 4]));
readState.Data.AddRange(payload);
data.RemoveRange(0, index + payloadLength);
if (frameType != FrameType.Continuation)
readState.FrameType = frameType;
if (!isFinal || !readState.FrameType.HasValue)
{
continue;
}
var stateData = readState.Data.ToArray();
var stateFrameType = readState.FrameType;
readState.Clear();
processFrame(stateFrameType.Value, stateData);
}
}示例3: ReceiveData
public static void ReceiveData(List<byte> data, ReadState readState, Action<FrameType, byte[]> processFrame)
{
while (data.Count >= 2)
{
var isFinal = (data[0] & 128) != 0;
var reservedBits = (data[0] & 112);
var frameType = (FrameType)(data[0] & 15);
var isMasked = (data[1] & 128) != 0;
var length = (data[1] & 127);
var isControlFrame = (data[0]&15) >= 0x08 && (data[0]&15) <= 0x0F;
if (!isMasked
|| !Enum.IsDefined(typeof(FrameType), frameType)
|| reservedBits != 0 //Must be zero per spec 5.2
|| (frameType == FrameType.Continuation && !readState.FrameType.HasValue))
throw new WebSocketException(WebSocketStatusCodes.ProtocolError);
var index = 2;
int payloadLength;
// control frame types may only have a maximum payload length of 125 (autobahn test case 2.5)
if (isControlFrame && length > 125)
throw new WebSocketException(WebSocketStatusCodes.ProtocolError);
// control frames must not be fragmented (autobahn test case 5.1)
if (isControlFrame && !isFinal)
throw new WebSocketException(WebSocketStatusCodes.ProtocolError);
// a close frame MAY contain data, but if it does, it must be at least 2 bytes (autobahn test case 7.3.2)
if (frameType == FrameType.Close && length == 1)
throw new WebSocketException(WebSocketStatusCodes.ProtocolError);
if (length == 127)
{
if (data.Count < index + 8)
return; //Not complete
payloadLength = data.Skip(index).Take(8).ToArray().ToLittleEndianInt();
index += 8;
}
else if (length == 126)
{
if (data.Count < index + 2)
return; //Not complete
payloadLength = data.Skip(index).Take(2).ToArray().ToLittleEndianInt();
index += 2;
}
else
{
payloadLength = length;
}
if (data.Count < index + 4)
return; //Not complete
var maskBytes = data.Skip(index).Take(4).ToArray();
index += 4;
if (data.Count < index + payloadLength)
return; //Not complete
var payload = data
.Skip(index)
.Take(payloadLength)
.Select((x, i) => (byte)(x ^ maskBytes[i % 4]));
// control frames are processed immediatly (since they cannot be fragmented) and can be receive in between
// and can be received and processed between a fragmented frame (autobahn test case 5.6)
if (isControlFrame)
{
processFrame(frameType, payload.ToArray());
data.RemoveRange(0, index + payloadLength);
}
else
{
readState.Data.AddRange(payload);
data.RemoveRange(0, index + payloadLength);
// frame types for multiple fragments are sent on the first frame, and the rest of the fragments must
// have a frame type of continuation (autobahn test case 5.18)
if (readState.FragmentNumber == 1)
readState.FrameType = frameType;
else if(frameType != FrameType.Continuation)
throw new WebSocketException(WebSocketStatusCodes.ProtocolError);
readState.FragmentNumber++;
if (isFinal && readState.FrameType.HasValue)
{
var stateData = readState.Data.ToArray();
var stateFrameType = readState.FrameType;
readState.Clear();
processFrame(stateFrameType.Value, stateData);
}
}
}
}