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remove unnecessary check in WebSocketFrameDecoder (#11113)

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Motivation:

There are some redundant checks and so these can be removed

Modifications:

- First check frameOpcode != OPCODE_PING is removed because the code executed int the branch where frameOpcode  <= 7, while OPCODE_PING is 9.
- Second check frameOpcode != OPCODE_PING is removed because its checked before.

Result:

Code cleanup
This commit is contained in:
Dmitriy Dumanskiy 2021-03-29 10:01:38 +03:00 committed by GitHub
parent b05fdf3ff8
commit aaef54951f
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1 changed files with 2 additions and 4 deletions
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6
codec-http/src/main/java/io/netty/handler/codec/http/websocketx/WebSocket08FrameDecoder.java
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@ -246,7 +246,7 @@ public class WebSocket08FrameDecoder extends ByteToMessageDecoder
}
// check opcode vs message fragmentation state 2/2
if (fragmentedFramesCount != 0 && frameOpcode != OPCODE_CONT && frameOpcode != OPCODE_PING) {
if (fragmentedFramesCount != 0 && frameOpcode != OPCODE_CONT) {
protocolViolation(ctx, in,
"received non-continuation data frame while inside fragmented message");
return;
@ -347,9 +347,7 @@ public class WebSocket08FrameDecoder extends ByteToMessageDecoder
if (frameFinalFlag) {
// Final frame of the sequence. Apparently ping frames are
// allowed in the middle of a fragmented message
if (frameOpcode != OPCODE_PING) {
fragmentedFramesCount = 0;
}
fragmentedFramesCount = 0;
} else {
// Increment counter
fragmentedFramesCount++;