hadoop/dev-support/byteman/hadooprpc.btm

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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# This script instruments hadoop rpc layer to print out all the request/response messages to the standard output.
#
RULE Hadoop RPC request
INTERFACE ^com.google.protobuf.BlockingService
METHOD callBlockingMethod
IF true
DO traceln("--> RPC message request: " + $3.getClass().getSimpleName() + " from " + linked(Thread.currentThread(), "source"));
traceln($3.toString())
ENDRULE
RULE Hadoop RPC response
INTERFACE ^com.google.protobuf.BlockingService
METHOD callBlockingMethod
AT EXIT
IF true
DO traceln("--> RPC message response: " + $3.getClass().getSimpleName() + " to " + unlink(Thread.currentThread(), "source"));
traceln($!.toString())
ENDRULE
RULE Hadoop RPC source IP
CLASS org.apache.hadoop.ipc.Server$RpcCall
METHOD run
IF true
DO link(Thread.currentThread(), "source", $0.connection.toString())
ENDRULE