lhotari commented on code in PR #15366:
URL: https://github.com/apache/pulsar/pull/15366#discussion_r861113664
##########
pulsar-proxy/src/main/java/org/apache/pulsar/proxy/server/ProxyConnection.java:
##########
@@ -216,18 +234,26 @@ public void channelRead(final ChannelHandlerContext ctx,
Object msg) throws Exce
break;
case ProxyConnectionToBroker:
- // Pass the buffer to the outbound connection and schedule next
read
- // only if we can write on the connection
- ProxyService.OPS_COUNTER.inc();
- if (msg instanceof ByteBuf) {
- int bytes = ((ByteBuf) msg).readableBytes();
-
directProxyHandler.getInboundChannelRequestsRate().recordEvent(bytes);
- ProxyService.BYTES_COUNTER.inc(bytes);
+ if (directProxyHandler != null) {
+ ProxyService.OPS_COUNTER.inc();
+ if (msg instanceof ByteBuf) {
+ int bytes = ((ByteBuf) msg).readableBytes();
+
directProxyHandler.getInboundChannelRequestsRate().recordEvent(bytes);
+ ProxyService.BYTES_COUNTER.inc(bytes);
+ }
+ directProxyHandler.outboundChannel.writeAndFlush(msg)
+
.addListener(ChannelFutureListener.FIRE_EXCEPTION_ON_FAILURE);
+ } else {
+ LOG.warn("Received message of type {} while connection to
broker is missing in state {}. "
+ + "Dropping the input message (readable
bytes={}).", msg.getClass(), state,
+ msg instanceof ByteBuf ? ((ByteBuf)
msg).readableBytes() : -1);
}
- directProxyHandler.outboundChannel.writeAndFlush(msg)
-
.addListener(ChannelFutureListener.FIRE_EXCEPTION_ON_FAILURE);
break;
-
+ case ProxyConnectingToBroker:
+ LOG.warn("Received message of type {} while connecting to broker. "
+ + "Dropping the input message (readable
bytes={}).", msg.getClass(),
+ msg instanceof ByteBuf ? ((ByteBuf) msg).readableBytes() :
-1);
Review Comment:
I'm assuming that the client is misbehaving if it's sending messages before
it receives a response. Pulsar binary protocol spec about connecting:
https://pulsar.apache.org/docs/en/develop-binary-protocol/#connection-establishment
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