/*
    * Copyright 2012 The Netty Project
    *
    * The Netty Project 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:
    *
    *   https://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 io.netty.testsuite.transport.sctp;
  
  import io.netty.bootstrap.Bootstrap;
  import io.netty.bootstrap.ServerBootstrap;
  import io.netty.channel.EventLoopGroup;
  import io.netty.channel.MultiThreadIoEventLoopGroup;
  import io.netty.channel.nio.NioIoHandler;
  import io.netty.channel.oio.OioEventLoopGroup;
  import io.netty.channel.sctp.nio.NioSctpChannel;
  import io.netty.channel.sctp.nio.NioSctpServerChannel;
  import io.netty.channel.sctp.oio.OioSctpChannel;
  import io.netty.channel.sctp.oio.OioSctpServerChannel;
  import io.netty.testsuite.util.TestUtils;
  import io.netty.testsuite.transport.TestsuitePermutation.BootstrapComboFactory;
  import io.netty.testsuite.transport.TestsuitePermutation.BootstrapFactory;
  import io.netty.util.concurrent.DefaultThreadFactory;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  
  public final class SctpTestPermutation {
  
      private static final int NUM_THREADS = 4;
      private static final EventLoopGroup NIO_GROUP = new MultiThreadIoEventLoopGroup(
              NUM_THREADS, new DefaultThreadFactory("testsuite-sctp-nio", true), NioIoHandler.newFactory());
      private static final EventLoopGroup OIO_GROUP =
              new OioEventLoopGroup(Integer.MAX_VALUE, new DefaultThreadFactory("testsuite-sctp-oio-worker", true));
  
      static List<BootstrapFactory<ServerBootstrap>> sctpServerChannel() {
          if (!TestUtils.isSctpSupported()) {
              return Collections.emptyList();
          }
  
          List<BootstrapFactory<ServerBootstrap>> list = new ArrayList<BootstrapFactory<ServerBootstrap>>();
          // Make the list of ServerBootstrap factories.
          list.add(new BootstrapFactory<ServerBootstrap>() {
              @Override
              public ServerBootstrap newInstance() {
                  return new ServerBootstrap().
                          group(NIO_GROUP).
                          channel(NioSctpServerChannel.class);
              }
          });
          list.add(new BootstrapFactory<ServerBootstrap>() {
              @Override
              public ServerBootstrap newInstance() {
                  return new ServerBootstrap().
                          group(OIO_GROUP).
                          channel(OioSctpServerChannel.class);
              }
          });
  
          return list;
      }
  
      static List<BootstrapFactory<Bootstrap>> sctpClientChannel() {
          if (!TestUtils.isSctpSupported()) {
              return Collections.emptyList();
          }
  
          List<BootstrapFactory<Bootstrap>> list = new ArrayList<BootstrapFactory<Bootstrap>>();
          list.add(new BootstrapFactory<Bootstrap>() {
              @Override
              public Bootstrap newInstance() {
                  return new Bootstrap().group(NIO_GROUP).channel(NioSctpChannel.class);
              }
          });
          list.add(new BootstrapFactory<Bootstrap>() {
              @Override
              public Bootstrap newInstance() {
                  return new Bootstrap().group(OIO_GROUP).channel(OioSctpChannel.class);
              }
          });
          return list;
      }
  
      static List<BootstrapComboFactory<ServerBootstrap, Bootstrap>> sctpChannel() {
          List<BootstrapComboFactory<ServerBootstrap, Bootstrap>> list =
                  new ArrayList<BootstrapComboFactory<ServerBootstrap, Bootstrap>>();
  
          // Make the list of SCTP ServerBootstrap factories.
          List<BootstrapFactory<ServerBootstrap>> sbfs = sctpServerChannel();
  
         // Make the list of SCTP Bootstrap factories.
         List<BootstrapFactory<Bootstrap>> cbfs = sctpClientChannel();
 
         // Populate the combinations
         for (BootstrapFactory<ServerBootstrap> sbf: sbfs) {
             for (BootstrapFactory<Bootstrap> cbf: cbfs) {
                 final BootstrapFactory<ServerBootstrap> sbf0 = sbf;
                 final BootstrapFactory<Bootstrap> cbf0 = cbf;
                 list.add(new BootstrapComboFactory<ServerBootstrap, Bootstrap>() {
                     @Override
                     public ServerBootstrap newServerInstance() {
                         return sbf0.newInstance();
                     }
 
                     @Override
                     public Bootstrap newClientInstance() {
                         return cbf0.newInstance();
                     }
                 });
             }
         }
 
         return list;
     }
 
     private SctpTestPermutation() { }
 }