content: /*
   * 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.cassandra.tools.nodetool;
  
  import com.google.common.math.DoubleMath;
  
  import org.apache.cassandra.tools.NodeProbe;
  import picocli.CommandLine.Command;
  import picocli.CommandLine.Option;
  
  @Command(name = "getinterdcstreamthroughput", description = "Print the throughput cap for inter-datacenter streaming and entire SSTable inter-datacenter streaming in the system" +
                                                              "in rounded megabits. For precise number, please, use option -d")
  public class GetInterDCStreamThroughput extends AbstractCommand
  {
      @Option(names = { "-e", "--entire-sstable-throughput" }, description = "Print entire SSTable streaming throughput in MiB/s")
      private boolean entireSSTableThroughput;
  
      @Option(names = { "-m", "--mib" }, description = "Print the throughput cap for inter-datacenter streaming in MiB/s")
      private boolean interDCStreamThroughputMiB;
  
      @Option(names = { "-d", "--precise-mbit" }, description = "Print the throughput cap for inter-datacenter streaming in precise Mbits (double)")
      private boolean interDCStreamThroughputDoubleMbit;
  
      @Override
      public void execute(NodeProbe probe)
      {
          int throughput;
          double throughputInDouble;
  
          if (entireSSTableThroughput)
          {
              if (interDCStreamThroughputDoubleMbit || interDCStreamThroughputMiB)
                  throw new IllegalArgumentException("You cannot use more than one flag with this command");
  
              throughputInDouble = probe.getEntireSSTableInterDCStreamThroughput();
              probe.output().out.printf("Current entire SSTable inter-datacenter stream throughput: %s%n",
                                        throughputInDouble > 0 ? throughputInDouble + " MiB/s" : "unlimited");
          }
          else if (interDCStreamThroughputMiB)
          {
              if (interDCStreamThroughputDoubleMbit)
                  throw new IllegalArgumentException("You cannot use more than one flag with this command");
  
              throughputInDouble = probe.getInterDCStreamThroughputMibAsDouble();
              probe.output().out.printf("Current inter-datacenter stream throughput: %s%n",
                                        throughputInDouble > 0 ? throughputInDouble + " MiB/s" : "unlimited");
  
          }
          else if (interDCStreamThroughputDoubleMbit)
          {
              throughputInDouble = probe.getInterDCStreamThroughputAsDouble();
              probe.output().out.printf("Current stream throughput: %s%n",
                                        throughputInDouble > 0 ? throughputInDouble + " Mb/s" : "unlimited");
          }
          else
          {
              throughputInDouble = probe.getInterDCStreamThroughputAsDouble();
              throughput = probe.getInterDCStreamThroughput();
  
              if (throughput <= 0)
                  probe.output().out.printf("Current inter-datacenter stream throughput: unlimited%n");
              else if (DoubleMath.isMathematicalInteger(throughputInDouble))
                  probe.output().out.printf(throughputInDouble + "Current inter-datacenter stream throughput: %s%n", throughput + " Mb/s");
              else
                  throw new RuntimeException("Use the -d flag to quiet this error and get the exact throughput in megabits/s");
          }
      }
  }
  