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.camel.component.lumberjack;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  import java.util.Map;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.test.AvailablePortFinder;
  import org.apache.camel.test.junit5.CamelTestSupport;
  import org.awaitility.Awaitility;
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.condition.DisabledOnOs;
  import org.junit.jupiter.api.condition.OS;
  import org.junit.jupiter.api.parallel.Isolated;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  @DisabledOnOs(value = { OS.LINUX },
                architectures = { "s390x" },
                disabledReason = "This test does not run reliably multiple platforms (see CAMEL-21438)")
  @Isolated
  public class LumberjackMultiThreadIT extends CamelTestSupport {
  
      private static final int PORT = AvailablePortFinder.getNextAvailable();
      private static final int CONCURRENCY_LEVEL = Math.min(Runtime.getRuntime().availableProcessors(), 4);
      private CountDownLatch latch = new CountDownLatch(CONCURRENCY_LEVEL);
      private volatile boolean interrupted;
  
      // create a number of threads
      private final List<LumberjackThreadTest> threads = new ArrayList<>();
  
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              public void configure() {
                  // Lumberjack configured with a specific port
                  from("lumberjack:0.0.0.0:" + PORT).to("mock:output");
              }
          };
      }
  
      @BeforeEach
      void setupTest() {
          for (int i = 0; i < CONCURRENCY_LEVEL; i++) {
              threads.add(new LumberjackThreadTest());
          }
  
          // sending messages on all parallel sessions
          threads.stream().forEach(thread -> thread.start());
      }
  
      @Test
      public void shouldListenToMessages() throws Exception {
          // We're expecting 25 messages with Maps for each thread
          MockEndpoint mock = getMockEndpoint("mock:output");
          mock.expectedMessageCount(25 * CONCURRENCY_LEVEL);
          mock.allMessages().body().isInstanceOf(Map.class);
  
          final boolean await = latch.await(5, TimeUnit.SECONDS);
          assertTrue(await, "All threads should have sent their messages by now");
  
          // Then we should have the messages we're expecting
          mock.assertIsSatisfied();
  
          // And the first map should contains valid data (we're assuming it's also valid for the other ones)
          Map first = mock.getExchanges().get(0).getIn().getBody(Map.class);
          assertEquals("log", first.get("input_type"));
          assertEquals("/home/qatest/collectNetwork/log/data-integration/00000000-f000-0000-1541-8da26f200001/absorption.log",
                  first.get("source"));
  
          List<Integer> windows = Arrays.asList(15, 10);
          Awaitility.await().atMost(3, TimeUnit.SECONDS)
                  .untilAsserted(() -> threads.stream().forEach(thread -> assertEquals(windows, thread.responses)));
  
          Assertions.assertFalse(interrupted, "Should not have been interrupted");
      }
  
      class LumberjackThreadTest extends Thread {
          private List<Integer> responses;
  
          @Override
          public void run() {
              try {
                  this.responses = LumberjackUtil.sendMessages(PORT, null, Arrays.asList(15, 10));
                  latch.countDown();
              } catch (InterruptedException e) {
                  Thread.currentThread().interrupt();
                  interrupted = true;
              }
          }
  
      }
  }
  