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Handle empty packets too

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This commit is contained in:
Andrew Steinborn
2020-05-31 09:54:47 -04:00
parent c856635ac5
commit f27aa8e3ba
1 changed files with 10 additions and 7 deletions
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17
proxy/src/main/java/com/velocitypowered/proxy/protocol/netty/MinecraftVarintFrameDecoder.java
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@@ -33,14 +33,17 @@ public class MinecraftVarintFrameDecoder extends ByteToMessageDecoder {
if (reader.result == DecodeResult.SUCCESS) {
if (reader.readVarint < 0) {
throw BAD_LENGTH_CACHED;
}
int minimumRead = reader.bytesRead + reader.readVarint;
if (in.isReadable(minimumRead)) {
out.add(in.retainedSlice(varintEnd + 1, reader.readVarint));
in.skipBytes(minimumRead);
} else if (reader.readVarint == 0) {
// skip over the empty packet and ignore it
in.readerIndex(varintEnd + 1);
} else {
return;
int minimumRead = reader.bytesRead + reader.readVarint;
if (in.isReadable(minimumRead)) {
out.add(in.retainedSlice(varintEnd + 1, reader.readVarint));
in.skipBytes(minimumRead);
} else {
return;
}
}
} else if (reader.result == DecodeResult.TOO_BIG) {
throw VARINT_BIG_CACHED;