wwbmmm commented on code in PR #1804:
URL: https://github.com/apache/incubator-brpc/pull/1804#discussion_r901276239


##########
src/brpc/stream.cpp:
##########
@@ -462,8 +462,12 @@ class MessageBatcher {
     ~MessageBatcher() { flush(); }
     void flush() {
         if (_size > 0 && _s->_options.handler != NULL) {
-            _s->_options.handler->on_received_messages(
+            int ret = _s->_options.handler->on_received_messages(
                     _s->id(), _storage, _size);
+            if (BAIDU_UNLIKELY(ret != 0)) {
+                LOG(WARNING) << "Fail to receive message for stream: " << 
_s->id();
+                _s->_options.handler->on_failure(_s->id());

Review Comment:
   I think it's unnecessary to call `on_failure` here. Since user knows what 
will return from `on_received_messages`, they can call `on_failure` in 
`on_received_messages`.



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