HBASE-27273 Should stop autoRead and skip all the bytes when rpc request too big (#4679)

Signed-off-by: Xiaolin Ha <haxiaolin@apache.org>
(cherry picked from commit 486d19e99f)
This commit is contained in:
Duo Zhang 2022-08-06 20:08:07 +08:00
parent a7f8dde815
commit 0a36504848
1 changed files with 12 additions and 3 deletions

View File

@ -44,6 +44,7 @@ public class NettyRpcFrameDecoder extends ByteToMessageDecoder {
private final int maxFrameLength;
private boolean requestTooBig;
private boolean requestTooBigSent;
private String requestTooBigMessage;
public NettyRpcFrameDecoder(int maxFrameLength) {
@ -58,8 +59,12 @@ public class NettyRpcFrameDecoder extends ByteToMessageDecoder {
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
if (requestTooBigSent) {
in.skipBytes(in.readableBytes());
return;
}
if (requestTooBig) {
handleTooBigRequest(in);
handleTooBigRequest(ctx, in);
return;
}
@ -83,7 +88,7 @@ public class NettyRpcFrameDecoder extends ByteToMessageDecoder {
NettyRpcServer.LOG.warn(requestTooBigMessage);
if (connection.connectionHeaderRead) {
handleTooBigRequest(in);
handleTooBigRequest(ctx, in);
return;
}
ctx.channel().close();
@ -101,7 +106,7 @@ public class NettyRpcFrameDecoder extends ByteToMessageDecoder {
out.add(in.readRetainedSlice(frameLengthInt));
}
private void handleTooBigRequest(ByteBuf in) throws IOException {
private void handleTooBigRequest(ChannelHandlerContext ctx, ByteBuf in) throws IOException {
in.skipBytes(FRAME_LENGTH_FIELD_LENGTH);
in.markReaderIndex();
int preIndex = in.readerIndex();
@ -146,6 +151,10 @@ public class NettyRpcFrameDecoder extends ByteToMessageDecoder {
// instead of calling reqTooBig.sendResponseIfReady()
reqTooBig.param = null;
connection.channel.writeAndFlush(reqTooBig).addListener(ChannelFutureListener.CLOSE);
in.skipBytes(in.readableBytes());
requestTooBigSent = true;
// disable auto read as we do not care newer data from this channel any more
ctx.channel().config().setAutoRead(false);
}
private RPCProtos.RequestHeader getHeader(ByteBuf in, int headerSize) throws IOException {