001/**
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *     http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 */
019
020package org.apache.hadoop.hbase.ipc;
021
022import org.apache.yetus.audience.InterfaceAudience;
023
024@InterfaceAudience.Private
025public class MetricsHBaseServerWrapperImpl implements MetricsHBaseServerWrapper {
026
027  private RpcServer server;
028
029  MetricsHBaseServerWrapperImpl(RpcServer server) {
030    this.server = server;
031  }
032
033  private boolean isServerStarted() {
034    return this.server != null && this.server.isStarted();
035  }
036
037  @Override
038  public long getTotalQueueSize() {
039    if (!isServerStarted()) {
040      return 0;
041    }
042    return server.callQueueSizeInBytes.sum();
043  }
044
045  @Override
046  public int getGeneralQueueLength() {
047    if (!isServerStarted() || this.server.getScheduler() == null) {
048      return 0;
049    }
050    return server.getScheduler().getGeneralQueueLength();
051  }
052
053  @Override
054  public int getReplicationQueueLength() {
055    if (!isServerStarted() || this.server.getScheduler() == null) {
056      return 0;
057    }
058    return server.getScheduler().getReplicationQueueLength();
059  }
060
061  @Override
062  public int getPriorityQueueLength() {
063    if (!isServerStarted() || this.server.getScheduler() == null) {
064      return 0;
065    }
066    return server.getScheduler().getPriorityQueueLength();
067  }
068
069  @Override
070  public int getMetaPriorityQueueLength() {
071    if (!isServerStarted() || this.server.getScheduler() == null) {
072      return 0;
073    }
074    return server.getScheduler().getMetaPriorityQueueLength();
075  }
076
077  @Override
078  public int getNumOpenConnections() {
079    if (!isServerStarted()) {
080      return 0;
081    }
082    return server.getNumOpenConnections();
083  }
084
085  @Override
086  public int getActiveRpcHandlerCount() {
087    if (!isServerStarted() || this.server.getScheduler() == null) {
088      return 0;
089    }
090    return server.getScheduler().getActiveRpcHandlerCount();
091  }
092  @Override
093  public long getNumGeneralCallsDropped() {
094    if (!isServerStarted() || this.server.getScheduler() == null) {
095      return 0;
096    }
097    return server.getScheduler().getNumGeneralCallsDropped();
098  }
099
100  @Override
101  public long getNumLifoModeSwitches() {
102    if (!isServerStarted() || this.server.getScheduler() == null) {
103      return 0;
104    }
105    return server.getScheduler().getNumLifoModeSwitches();
106  }
107
108  @Override
109  public int getWriteQueueLength() {
110    if (!isServerStarted() || this.server.getScheduler() == null) {
111      return 0;
112    }
113    return server.getScheduler().getWriteQueueLength();
114  }
115
116  @Override
117  public int getReadQueueLength() {
118    if (!isServerStarted() || this.server.getScheduler() == null) {
119      return 0;
120    }
121    return server.getScheduler().getReadQueueLength();
122  }
123
124  @Override
125  public int getScanQueueLength() {
126    if (!isServerStarted() || this.server.getScheduler() == null) {
127      return 0;
128    }
129    return server.getScheduler().getScanQueueLength();
130  }
131
132  @Override
133  public int getActiveWriteRpcHandlerCount() {
134    if (!isServerStarted() || this.server.getScheduler() == null) {
135      return 0;
136    }
137    return server.getScheduler().getActiveWriteRpcHandlerCount();
138  }
139
140  @Override
141  public int getActiveReadRpcHandlerCount() {
142    if (!isServerStarted() || this.server.getScheduler() == null) {
143      return 0;
144    }
145    return server.getScheduler().getActiveReadRpcHandlerCount();
146  }
147
148  @Override
149  public int getActiveScanRpcHandlerCount() {
150    if (!isServerStarted() || this.server.getScheduler() == null) {
151      return 0;
152    }
153    return server.getScheduler().getActiveScanRpcHandlerCount();
154  }
155}