Github user hustfxj commented on a diff in the pull request:
https://github.com/apache/storm/pull/1156#discussion_r54325117
--- Diff: storm-core/src/jvm/org/apache/storm/daemon/DrpcServer.java ---
@@ -0,0 +1,390 @@
+/**
+ * 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.
+ */
+package org.apache.storm.daemon;
+
+import com.codahale.metrics.Meter;
+import com.codahale.metrics.MetricRegistry;
+import com.sun.net.httpserver.HttpsServer;
+import com.sun.org.apache.bcel.internal.generic.ARRAYLENGTH;
+import org.apache.commons.lang.StringUtils;
+import org.apache.storm.Config;
+import org.apache.storm.daemon.metrics.MetricsUtils;
+import org.apache.storm.daemon.metrics.reporters.PreparableReporter;
+import org.apache.storm.generated.*;
+import org.apache.storm.logging.ThriftAccessLogger;
+import org.apache.storm.security.auth.*;
+import org.apache.storm.security.auth.authorizer.DRPCAuthorizerBase;
+import org.apache.storm.ui.FilterConfiguration;
+import org.apache.storm.ui.IConfigurator;
+import org.apache.storm.ui.UIHelpers;
+import org.apache.storm.utils.ConfigUtils;
+import org.apache.storm.utils.Time;
+import org.apache.storm.utils.Utils;
+import org.apache.storm.utils.VersionInfo;
+import org.apache.thrift.TException;
+import org.eclipse.jetty.server.Server;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.servlet.Servlet;
+import java.security.Principal;
+import java.util.*;
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.AtomicInteger;
+
+public class DrpcServer implements DistributedRPC.Iface,
DistributedRPCInvocations.Iface, Shutdownable {
+
+ private static final Logger LOG =
LoggerFactory.getLogger(DrpcServer.class);
+ private final Long timeoutCheckSecs = 5L;
+
+ private Map conf;
+
+ private ThriftServer handlerServer;
+ private ThriftServer invokeServer;
+ private IHttpCredentialsPlugin httpCredsHandler;
+
+ private Thread clearThread;
+
+ private IAuthorizer authorizer;
+
+ // To be removed after porting drpc.clj
+ private Servlet httpServlet;
+
+ private AtomicInteger ctr = new AtomicInteger(0);
+ private ConcurrentHashMap<String, Semaphore> idtoSem = new
ConcurrentHashMap<String, Semaphore>();
+ private ConcurrentHashMap<String, Object> idtoResult = new
ConcurrentHashMap<String, Object>();
+ private ConcurrentHashMap<String, Integer> idtoStart = new
ConcurrentHashMap<String, Integer>();
+ private ConcurrentHashMap<String, String> idtoFunction = new
ConcurrentHashMap<String, String>();
+ private ConcurrentHashMap<String, DRPCRequest> idtoRequest = new
ConcurrentHashMap<String, DRPCRequest>();
+ private ConcurrentHashMap<String, ConcurrentLinkedQueue<DRPCRequest>>
requestQueues = new ConcurrentHashMap<String,
ConcurrentLinkedQueue<DRPCRequest>>();
+
+ private final Meter meterHttpRequests = new
MetricRegistry().meter("drpc:num-execute-http-requests");
--- End diff --
meterHttpRequests is not used as drpc.clj has meter for httpRequests. But
we can use this meter after we remove drpc.clj
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