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[Modify] Polish it

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sta 2019-08-17 22:01:51 +09:00
parent fcc14146d9
commit e44a6c799f
1 changed files with 11 additions and 6 deletions
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17
websocket-sharp/WebSocketFrame.cs
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@ -608,7 +608,9 @@ Extended Payload Length: {7}
);
}
private static WebSocketFrame readPayloadData (Stream stream, WebSocketFrame frame)
private static WebSocketFrame readPayloadData (
Stream stream, WebSocketFrame frame
)
{
var len = frame.FullPayloadLength;
if (len == 0) {
@ -616,17 +618,20 @@ Extended Payload Length: {7}
return frame;
}
if (len > PayloadData.MaxLength)
throw new WebSocketException (CloseStatusCode.TooBig, "A frame has a long payload length.");
if (len > PayloadData.MaxLength) {
var msg = "A frame has too long payload data length.";
throw new WebSocketException (CloseStatusCode.TooBig, msg);
}
var llen = (long) len;
var bytes = frame._payloadLength < 127
? stream.ReadBytes ((int) len)
: stream.ReadBytes (llen, 1024);
if (bytes.LongLength != llen)
throw new WebSocketException (
"The payload data of a frame cannot be read from the stream.");
if (bytes.LongLength != llen) {
var msg = "The payload data of a frame could not be read.";
throw new WebSocketException (msg);
}
frame._payloadData = new PayloadData (bytes, llen);
return frame;