| /** |
| * 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.mllp; |
| |
| import java.net.SocketException; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.camel.EndpointInject; |
| import org.apache.camel.LoggingLevel; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.component.mock.MockEndpoint; |
| import org.apache.camel.test.AvailablePortFinder; |
| import org.apache.camel.test.junit.rule.mllp.MllpClientResource; |
| import org.apache.camel.test.junit.rule.mllp.MllpJUnitResourceException; |
| import org.apache.camel.test.junit4.CamelTestSupport; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import static org.apache.camel.component.mllp.MllpTcpServerConsumer.SOCKET_STARTUP_TEST_READ_TIMEOUT; |
| import static org.apache.camel.component.mllp.MllpTcpServerConsumer.SOCKET_STARTUP_TEST_WAIT; |
| |
| public class MllpTcpServerConsumerConnectionTest extends CamelTestSupport { |
| static final int RECEIVE_TIMEOUT = 500; |
| |
| @Rule |
| public MllpClientResource mllpClient = new MllpClientResource(); |
| |
| |
| @EndpointInject(uri = "mock://result") |
| MockEndpoint result; |
| |
| @Override |
| protected void doPreSetup() throws Exception { |
| mllpClient.setMllpHost("localhost"); |
| mllpClient.setMllpPort(AvailablePortFinder.getNextAvailable()); |
| |
| super.doPreSetup(); |
| } |
| |
| @Override |
| public boolean isUseRouteBuilder() { |
| return false; |
| } |
| |
| @Override |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| String routeId = "mllp-receiver"; |
| |
| public void configure() { |
| fromF("mllp://%s:%d?autoAck=false", mllpClient.getMllpHost(), mllpClient.getMllpPort()) |
| .log(LoggingLevel.INFO, routeId, "Receiving: ${body}") |
| .to(result); |
| } |
| }; |
| |
| } |
| |
| /** |
| * Simulate a Load Balancer Probe |
| * <p/> |
| * Load Balancers check the status of a port by establishing and closing a TCP connection periodically. The time |
| * between these probes can normally be configured, but it is typically set to about 15-sec. Since there could be |
| * a large number of port that are being probed, the logging from the connect/disconnect operations can drown-out |
| * more useful information. |
| * <p/> |
| * Watch the logs when running this test to verify that the log output will be acceptable when a load balancer |
| * is probing the port. |
| * <p/> |
| * TODO: Need to add a custom Log4j Appender that can verify the logging is acceptable |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testConnectThenCloseWithoutData() throws Exception { |
| int connectionCount = 10; |
| long connectionMillis = 200; |
| |
| result.setExpectedCount(0); |
| result.setAssertPeriod(SOCKET_STARTUP_TEST_WAIT + SOCKET_STARTUP_TEST_READ_TIMEOUT); |
| |
| addTestRoute(-1); |
| |
| for (int i = 1; i <= connectionCount; ++i) { |
| mllpClient.connect(); |
| Thread.sleep(connectionMillis); |
| mllpClient.close(); |
| } |
| |
| // Connect one more time and allow a client thread to start |
| mllpClient.connect(); |
| Thread.sleep(SOCKET_STARTUP_TEST_WAIT + SOCKET_STARTUP_TEST_READ_TIMEOUT + 1000); |
| mllpClient.close(); |
| |
| assertMockEndpointsSatisfied(15, TimeUnit.SECONDS); |
| } |
| |
| @Test |
| public void testConnectThenResetWithoutData() throws Exception { |
| int connectionCount = 10; |
| long connectionMillis = 200; |
| |
| result.setExpectedCount(0); |
| result.setAssertPeriod(SOCKET_STARTUP_TEST_WAIT + SOCKET_STARTUP_TEST_READ_TIMEOUT); |
| |
| addTestRoute(-1); |
| |
| for (int i = 1; i <= connectionCount; ++i) { |
| mllpClient.connect(); |
| Thread.sleep(connectionMillis); |
| mllpClient.reset(); |
| } |
| |
| // Connect one more time and allow a client thread to start |
| mllpClient.connect(); |
| Thread.sleep(SOCKET_STARTUP_TEST_WAIT + SOCKET_STARTUP_TEST_READ_TIMEOUT + 1000); |
| mllpClient.reset(); |
| |
| assertMockEndpointsSatisfied(15, TimeUnit.SECONDS); |
| } |
| |
| /** |
| * Simulate an Idle Client |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testIdleConnection() throws Exception { |
| final int maxReceiveTimeouts = 3; |
| String testMessage = "MSH|^~\\&|ADT|EPIC|JCAPS|CC|20160902123950|RISTECH|ADT^A08|00001|D|2.3|||||||" + '\r' + '\n'; |
| |
| result.setExpectedCount(1); |
| result.setAssertPeriod(1000); |
| |
| addTestRoute(maxReceiveTimeouts); |
| |
| mllpClient.connect(); |
| mllpClient.sendMessageAndWaitForAcknowledgement(testMessage); |
| Thread.sleep(RECEIVE_TIMEOUT * (maxReceiveTimeouts + 1)); |
| |
| try { |
| mllpClient.sendMessageAndWaitForAcknowledgement(testMessage); |
| fail("The MllpClientResource should have thrown an exception when writing to the reset socket"); |
| } catch (MllpJUnitResourceException ex) { |
| Throwable cause = ex.getCause(); |
| assertIsInstanceOf(SocketException.class, cause); |
| } |
| |
| assertMockEndpointsSatisfied(15, TimeUnit.SECONDS); |
| } |
| |
| void addTestRoute(int maxReceiveTimeouts) throws Exception { |
| RouteBuilder builder = new RouteBuilder() { |
| String routeId = "mllp-receiver"; |
| |
| public void configure() { |
| fromF("mllp://%s:%d?receiveTimeout=%d&maxReceiveTimeouts=%d", mllpClient.getMllpHost(), mllpClient.getMllpPort(), RECEIVE_TIMEOUT, maxReceiveTimeouts) |
| .log(LoggingLevel.INFO, routeId, "Receiving: ${body}") |
| .to(result); |
| } |
| }; |
| |
| context.addRoutes(builder); |
| context.start(); |
| } |
| |
| } |