HBASE-5201 Add new files

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1232506 13f79535-47bb-0310-9956-ffa450edef68

src/main/java/org/apache/hadoop/hbase/thrift/HThreadedSelectorServerArgs.java

@@ -0,0 +1,96 @@
+/*
+ * 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.hadoop.hbase.thrift;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.thrift.server.TThreadedSelectorServer;
+import org.apache.thrift.transport.TNonblockingServerTransport;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * A TThreadedSelectorServer.Args that reads hadoop configuration
+ */
+public class HThreadedSelectorServerArgs extends TThreadedSelectorServer.Args {
+
+  private static final Logger LOG =
+      LoggerFactory.getLogger(TThreadedSelectorServer.class);
+
+  /**
+   * Number of selector threads for reading and writing socket
+   */
+  public static final String SELECTOR_THREADS_CONF_KEY =
+      "hbase.thrift.selector.threads";
+
+  /**
+   * Number fo threads for processing the thrift calls
+   */
+  public static final String WORKER_THREADS_CONF_KEY =
+      "hbase.thrift.worker.threads";
+
+  /**
+   * Time to wait for server to stop gracefully
+   */
+  public static final String STOP_TIMEOUT_CONF_KEY =
+      "hbase.thrift.stop.timeout.seconds";
+
+  /**
+   * Maximum number of accepted elements per selector
+   */
+  public static final String ACCEPT_QUEUE_SIZE_PER_THREAD_CONF_KEY =
+      "hbase.thrift.accept.queue.size.per.selector";
+
+  /**
+   * The strategy for handling new accepted connections.
+   */
+  public static final String ACCEPT_POLICY_CONF_KEY =
+      "hbase.thrift.accept.policy";
+
+  public HThreadedSelectorServerArgs(
+      TNonblockingServerTransport transport, Configuration conf) {
+    super(transport);
+    readConf(conf);
+  }
+
+  private void readConf(Configuration conf) {
+    int selectorThreads = conf.getInt(
+        SELECTOR_THREADS_CONF_KEY, getSelectorThreads());
+    int workerThreads = conf.getInt(
+        WORKER_THREADS_CONF_KEY, getWorkerThreads());
+    int stopTimeoutVal = conf.getInt(
+        STOP_TIMEOUT_CONF_KEY, getStopTimeoutVal());
+    int acceptQueueSizePerThread = conf.getInt(
+        ACCEPT_QUEUE_SIZE_PER_THREAD_CONF_KEY, getAcceptQueueSizePerThread());
+    AcceptPolicy acceptPolicy = AcceptPolicy.valueOf(conf.get(
+        ACCEPT_POLICY_CONF_KEY, getAcceptPolicy().toString()).toUpperCase());
+
+    super.selectorThreads(selectorThreads)
+         .workerThreads(workerThreads)
+         .stopTimeoutVal(stopTimeoutVal)
+         .acceptQueueSizePerThread(acceptQueueSizePerThread)
+         .acceptPolicy(acceptPolicy);
+
+    LOG.info("Read configuration selectorThreads:" + selectorThreads +
+             " workerThreads:" + workerThreads +
+             " stopTimeoutVal:" + stopTimeoutVal + "sec" +
+             " acceptQueueSizePerThread:" + acceptQueueSizePerThread +
+             " acceptPolicy:" + acceptPolicy);
+  }
+}