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Merge pull request #1854 from dilanSachi/goaway-error-log
Fix connection getting closed by stale eviction task after it has been closed by the server
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139 changes: 139 additions & 0 deletions
139
...eleveltests/Http2ChannelCloseAfterConnectionEvictionAfterTcpServerGoAwayScenarioTest.java
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| /* | ||
| * Copyright (c) 2024, WSO2 LLC. (http://www.wso2.com). | ||
| * | ||
| * WSO2 LLC. 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 io.ballerina.stdlib.http.transport.http2.frameleveltests; | ||
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|
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| import io.ballerina.stdlib.http.transport.contract.Constants; | ||
| import io.ballerina.stdlib.http.transport.contract.HttpClientConnector; | ||
| import io.ballerina.stdlib.http.transport.contract.HttpWsConnectorFactory; | ||
| import io.ballerina.stdlib.http.transport.contract.config.SenderConfiguration; | ||
| import io.ballerina.stdlib.http.transport.contract.config.TransportsConfiguration; | ||
| import io.ballerina.stdlib.http.transport.contractimpl.DefaultHttpWsConnectorFactory; | ||
| import io.ballerina.stdlib.http.transport.contractimpl.sender.channel.pool.PoolConfiguration; | ||
| import io.ballerina.stdlib.http.transport.message.HttpConnectorUtil; | ||
| import io.ballerina.stdlib.http.transport.util.DefaultHttpConnectorListener; | ||
| import io.ballerina.stdlib.http.transport.util.TestUtil; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| import org.testng.annotations.AfterClass; | ||
| import org.testng.annotations.Test; | ||
|
|
||
| import java.io.IOException; | ||
| import java.io.OutputStream; | ||
| import java.net.ServerSocket; | ||
| import java.net.Socket; | ||
| import java.util.concurrent.CountDownLatch; | ||
| import java.util.concurrent.TimeUnit; | ||
|
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| import static io.ballerina.stdlib.http.transport.contract.Constants.REMOTE_SERVER_CLOSED_WHILE_READING_INBOUND_RESPONSE_BODY; | ||
| import static io.ballerina.stdlib.http.transport.http2.frameleveltests.FrameLevelTestUtils.GO_AWAY_FRAME_MAX_STREAM_05; | ||
| import static io.ballerina.stdlib.http.transport.http2.frameleveltests.FrameLevelTestUtils.HEADER_FRAME_STREAM_03; | ||
| import static io.ballerina.stdlib.http.transport.http2.frameleveltests.FrameLevelTestUtils.SETTINGS_FRAME; | ||
| import static io.ballerina.stdlib.http.transport.http2.frameleveltests.FrameLevelTestUtils.SETTINGS_FRAME_WITH_ACK; | ||
| import static io.ballerina.stdlib.http.transport.http2.frameleveltests.FrameLevelTestUtils.SLEEP_TIME; | ||
| import static io.ballerina.stdlib.http.transport.util.TestUtil.getDecoderErrorMessage; | ||
| import static org.testng.Assert.assertEquals; | ||
| import static org.testng.Assert.fail; | ||
|
|
||
| /** | ||
| * This contains a test case where the tcp server sends a GoAway and the connection gets closed from the | ||
| * server side after an eviction occurs. The successfulness of this test case cannot be confirmed by the assert | ||
| * completely. We have to look at the logs in order to check whether there are any internal netty exceptions | ||
| */ | ||
| public class Http2ChannelCloseAfterConnectionEvictionAfterTcpServerGoAwayScenarioTest { | ||
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| private static final Logger LOGGER = | ||
| LoggerFactory.getLogger(Http2ChannelCloseAfterConnectionEvictionAfterTcpServerGoAwayScenarioTest.class); | ||
| private HttpClientConnector h2ClientWithPriorKnowledge; | ||
| private ServerSocket serverSocket; | ||
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| public HttpClientConnector setupHttp2PriorKnowledgeClient(long minIdleTimeInStaleState, | ||
| long timeBetweenStaleEviction) { | ||
| HttpWsConnectorFactory connectorFactory = new DefaultHttpWsConnectorFactory(); | ||
| PoolConfiguration poolConfiguration = new PoolConfiguration(); | ||
| poolConfiguration.setMinIdleTimeInStaleState(minIdleTimeInStaleState); | ||
| poolConfiguration.setTimeBetweenStaleEviction(timeBetweenStaleEviction); | ||
| TransportsConfiguration transportsConfiguration = new TransportsConfiguration(); | ||
| SenderConfiguration senderConfiguration = new SenderConfiguration(); | ||
| senderConfiguration.setPoolConfiguration(poolConfiguration); | ||
| senderConfiguration.setScheme(Constants.HTTP_SCHEME); | ||
| senderConfiguration.setHttpVersion(Constants.HTTP_2_0); | ||
| senderConfiguration.setForceHttp2(true); | ||
| return connectorFactory.createHttpClientConnector( | ||
| HttpConnectorUtil.getTransportProperties(transportsConfiguration), senderConfiguration); | ||
| } | ||
|
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||
| @Test | ||
| private void testChannelCloseAfterConnectionEvictionScenario() { | ||
| try { | ||
| runTcpServer(TestUtil.HTTP_SERVER_PORT); | ||
| h2ClientWithPriorKnowledge = setupHttp2PriorKnowledgeClient(3000, 1000); | ||
| CountDownLatch latch1 = new CountDownLatch(1); | ||
| DefaultHttpConnectorListener msgListener1 = TestUtil.sendRequestAsync(latch1, h2ClientWithPriorKnowledge); | ||
| latch1.await(TestUtil.HTTP2_RESPONSE_TIME_OUT, TimeUnit.SECONDS); | ||
| // Waiting more than the minIdleTimeInStaleState to trigger a connectionEviction try and a channelInactive | ||
| Thread.sleep(8000); | ||
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| String errorMsg1 = getDecoderErrorMessage(msgListener1); | ||
| assertEquals(errorMsg1, REMOTE_SERVER_CLOSED_WHILE_READING_INBOUND_RESPONSE_BODY); | ||
| } catch (InterruptedException | IOException e) { | ||
| LOGGER.error("Exception occurred"); | ||
| fail(); | ||
| } | ||
| } | ||
|
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| private void runTcpServer(int port) throws IOException { | ||
| if (serverSocket != null) { | ||
| serverSocket.close(); | ||
| } | ||
| new Thread(() -> { | ||
| try { | ||
| serverSocket = new ServerSocket(port); | ||
| LOGGER.info("HTTP/2 TCP Server listening on port " + port); | ||
| Socket clientSocket = serverSocket.accept(); | ||
| LOGGER.info("Accepted connection from: " + clientSocket.getInetAddress()); | ||
| try (OutputStream outputStream = clientSocket.getOutputStream()) { | ||
| sendGoAwayForASingleStream(outputStream); | ||
| } catch (Exception e) { | ||
| LOGGER.error(e.getMessage()); | ||
| } | ||
| } catch (IOException e) { | ||
| LOGGER.error(e.getMessage()); | ||
| } | ||
| }).start(); | ||
| } | ||
|
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| private void sendGoAwayForASingleStream(OutputStream outputStream) throws IOException, InterruptedException { | ||
| outputStream.write(SETTINGS_FRAME); | ||
| outputStream.write(SETTINGS_FRAME_WITH_ACK); | ||
| Thread.sleep(SLEEP_TIME); | ||
| outputStream.write(HEADER_FRAME_STREAM_03); | ||
| Thread.sleep(SLEEP_TIME); | ||
| // This will move the connection to the stale connections list | ||
| outputStream.write(GO_AWAY_FRAME_MAX_STREAM_05); | ||
| // Waiting more than the time of `minIdleTimeInStaleState` and exit the socket write to trigger a | ||
| // `channelInactive` after minIdleTime exceeds. | ||
| Thread.sleep(5000); | ||
| } | ||
|
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||
| @AfterClass | ||
| public void cleanUp() throws IOException { | ||
| h2ClientWithPriorKnowledge.close(); | ||
| serverSocket.close(); | ||
| } | ||
| } |
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