[GitHub] [incubator-inlong] baomingyu commented on a change in pull request #1905: [INLONG][feature][audit] add audit-source module

[GitBox <gi...@apache.org>]

baomingyu commented on a change in pull request #1905:
URL: https://github.com/apache/incubator-inlong/pull/1905#discussion_r762928891



##########
File path: inlong-audit/audit-source/src/main/java/org/apache/inlong/audit/sink/pulsar/PulsarClientService.java
##########
@@ -0,0 +1,252 @@
+/*
+ * 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.inlong.audit.sink.pulsar;
+
+import com.google.common.base.Preconditions;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.TimeUnit;
+import org.apache.flume.Context;
+import org.apache.flume.Event;
+import org.apache.flume.FlumeException;
+import org.apache.inlong.audit.consts.AttributeConstants;
+import org.apache.inlong.audit.sink.EventStat;
+import org.apache.inlong.audit.utils.LogCounter;
+import org.apache.inlong.audit.utils.NetworkUtils;
+import org.apache.pulsar.client.api.Producer;
+import org.apache.pulsar.client.api.PulsarClient;
+import org.apache.pulsar.client.api.PulsarClientException;
+import org.apache.pulsar.client.impl.MessageIdImpl;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class PulsarClientService {
+
+    private static final Logger logger = LoggerFactory.getLogger(PulsarClientService.class);
+
+    private static final LogCounter logPrinterA = new LogCounter(10, 100000, 60 * 1000);
+
+    /*
+     * properties key for pulsar client
+     */
+    private static String PULSAR_SERVER_URL = "pulsar_server_url";
+
+    /*
+     * properties key pulsar producer
+     */
+    private static String SEND_TIMEOUT = "send_timeout_ms";
+    private static String CLIENT_TIMEOUT = "client_op_timeout_second";
+    private static String ENABLE_BATCH = "enable_batch";
+    private static String BLOCK_IF_QUEUE_FULL = "block_if_queue_full";
+    private static String MAX_PENDING_MESSAGES = "max_pending_messages";
+    private static String MAX_BATCHING_MESSAGES = "max_batching_messages";
+
+    private static int DEFAULT_SEND_TIMEOUT_MILL = 30 * 1000;
+    private static int DEFAULT_CLIENT_TIMEOUT_SECOND = 30;
+    private static boolean DEFAULT_ENABLE_BATCH = true;
+    private static boolean DEFAULT_BLOCK_IF_QUEUE_FULL = true;
+    private static int DEFAULT_MAX_PENDING_MESSAGES = 10000;
+    private static int DEFAULT_MAX_BATCHING_MESSAGES = 1000;
+
+    /*
+     * for producer
+     */
+    private Integer sendTimeout; // in millsec
+    private Integer clientOpTimeout;
+    private boolean enableBatch = true;
+    private boolean blockIfQueueFull = true;
+    private int maxPendingMessages = 10000;
+    private int maxBatchingMessages = 1000;
+    public ConcurrentHashMap<String, Producer> producerInfoMap;
+    public PulsarClient pulsarClient;
+    public String pulsarServerUrl;
+
+    private String localIp = "127.0.0.1";
+
+    /**
+     * pulsar client service
+     * @param context
+     */
+    public PulsarClientService(Context context) {
+
+        pulsarServerUrl = context.getString(PULSAR_SERVER_URL);
+        Preconditions.checkState(pulsarServerUrl != null, "No pulsar server url specified");
+
+        sendTimeout = context.getInteger(SEND_TIMEOUT, DEFAULT_SEND_TIMEOUT_MILL);
+        clientOpTimeout = context.getInteger(CLIENT_TIMEOUT, DEFAULT_CLIENT_TIMEOUT_SECOND);
+        logger.debug("PulsarClientService " + SEND_TIMEOUT + " " + sendTimeout);
+        Preconditions.checkArgument(sendTimeout > 0, "sendTimeout must be > 0");
+
+        enableBatch = context.getBoolean(ENABLE_BATCH, DEFAULT_ENABLE_BATCH);
+        blockIfQueueFull = context.getBoolean(BLOCK_IF_QUEUE_FULL, DEFAULT_BLOCK_IF_QUEUE_FULL);
+        maxPendingMessages = context.getInteger(MAX_PENDING_MESSAGES, DEFAULT_MAX_PENDING_MESSAGES);
+        maxBatchingMessages =  context.getInteger(MAX_BATCHING_MESSAGES, DEFAULT_MAX_BATCHING_MESSAGES);
+        producerInfoMap = new ConcurrentHashMap<>();
+        localIp = NetworkUtils.getLocalIp();
+
+    }
+
+    /**
+     * init connection
+     * @param callBack
+     */
+    public void initCreateConnection(CreatePulsarClientCallBack callBack) {
+        try {
+            createConnection(callBack);
+        } catch (FlumeException e) {
+            logger.error("Unable to create pulsar client" + ". Exception follows.", e);
+            close();
+        }
+    }
+
+    /**
+     * send message
+     * @param topic
+     * @param event
+     * @param sendMessageCallBack
+     * @param es
+     * @return
+     */
+    public boolean sendMessage(String topic, Event event,
+            SendMessageCallBack sendMessageCallBack, EventStat es) {
+        Producer producer = null;
+        try {
+            producer = getProducer(topic);
+        } catch (Exception e) {
+            if (logPrinterA.shouldPrint()) {
+                logger.error("Get producer failed!", e);
+            }
+        }
+
+        if (producer == null) {
+            logger.error("Get producer is null!");
+            return false;
+        }
+
+        Map<String, String> proMap = new HashMap<>();
+        proMap.put("auditIp", localIp);
+        String streamId = "";
+        String groupId = "";
+        if (event.getHeaders().containsKey(AttributeConstants.INLONG_STREAM_ID)) {
+            streamId = event.getHeaders().get(AttributeConstants.INLONG_STREAM_ID);
+            proMap.put(AttributeConstants.INLONG_STREAM_ID, streamId);
+        }
+        if (event.getHeaders().containsKey(AttributeConstants.INLONG_GROUP_ID)) {
+            groupId = event.getHeaders().get(AttributeConstants.INLONG_GROUP_ID);
+            proMap.put(AttributeConstants.INLONG_GROUP_ID, groupId);
+        }
+
+        logger.debug("producer send msg!");
+        producer.newMessage().properties(proMap).value(event.getBody())
+                .sendAsync().thenAccept((msgId) -> {
+            sendMessageCallBack.handleMessageSendSuccess((MessageIdImpl)msgId, es);
+
+        }).exceptionally((e) -> {
+            sendMessageCallBack.handleMessageSendException(es, e);
+            return null;
+        });
+        return true;
+    }
+
+    /**
+     * If this function is called successively without calling {@see #destroyConnection()}, only the
+     * first call has any effect.
+     *
+     * @throws FlumeException if an RPC client connection could not be opened
+     */
+    private void createConnection(CreatePulsarClientCallBack callBack) throws FlumeException {
+        if (pulsarClient != null) {
+            return;
+        }
+        try {
+            pulsarClient = initPulsarClient(pulsarServerUrl);
+            callBack.handleCreateClientSuccess(pulsarServerUrl);
+        } catch (PulsarClientException e) {
+            callBack.handleCreateClientException(pulsarServerUrl);
+            logger.error("create connnection error in metasink, "
+                            + "maybe pulsar master set error, please re-check.url{}, ex1 {}",
+                    pulsarServerUrl,
+                    e.getMessage());
+        } catch (Throwable e) {
+            callBack.handleCreateClientException(pulsarServerUrl);
+            logger.error("create connnection error in metasink, "
+                            + "maybe pulsar master set error/shutdown in progress, please "
+                            + "re-check. url{}, ex2 {}",
+                    pulsarServerUrl,
+                    e.getMessage());
+        }
+    }
+
+    private PulsarClient initPulsarClient(String pulsarUrl) throws Exception {
+        return PulsarClient.builder()
+                .serviceUrl(pulsarUrl)
+                .connectionTimeout(clientOpTimeout, TimeUnit.SECONDS)
+                .build();
+    }
+
+    public Producer initTopicProducer(String topic) {
+        logger.info("initTopicProducer topic = {}", topic);
+        Producer producer = null;
+        try {
+            producer = pulsarClient.newProducer().sendTimeout(sendTimeout,
+                    TimeUnit.MILLISECONDS)
+                    .topic(topic)
+                    .enableBatching(enableBatch)
+                    .blockIfQueueFull(blockIfQueueFull)
+                    .maxPendingMessages(maxPendingMessages)
+                    .batchingMaxMessages(maxBatchingMessages)
+                    .create();
+        } catch (PulsarClientException e) {
+            logger.error("create pulsar client has error e = {}", e);

Review comment:
       return null will be retry here.




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