[ISSUE apache#3913] Add Source Connector RocketMQ Module

eventmesh-connectors/source-connector-rocketmq/build.gradle

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+/*
+ * 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.
+ */
+
+List rocketmq = [
+        "org.apache.rocketmq:rocketmq-client:$rocketmq_version",
+        "org.apache.rocketmq:rocketmq-broker:$rocketmq_version",
+        "org.apache.rocketmq:rocketmq-common:$rocketmq_version",
+        "org.apache.rocketmq:rocketmq-store:$rocketmq_version",
+        "org.apache.rocketmq:rocketmq-namesrv:$rocketmq_version",
+        "org.apache.rocketmq:rocketmq-tools:$rocketmq_version",
+        "org.apache.rocketmq:rocketmq-remoting:$rocketmq_version",
+        "org.apache.rocketmq:rocketmq-logging:$rocketmq_version",
+        "org.apache.rocketmq:rocketmq-test:$rocketmq_version",
+        "org.apache.rocketmq:rocketmq-srvutil:$rocketmq_version",
+        "org.apache.rocketmq:rocketmq-filter:$rocketmq_version",
+        "org.apache.rocketmq:rocketmq-acl:$rocketmq_version",
+        "org.apache.rocketmq:rocketmq-srvutil:$rocketmq_version",
+
+]
+
+dependencies {
+    implementation project(":eventmesh-connectors:eventmesh-connector-api")
+    implementation project(":eventmesh-sdk-java")
+    implementation rocketmq
+    compileOnly 'org.projectlombok:lombok'
+    annotationProcessor 'org.projectlombok:lombok'
+}

eventmesh-connectors/source-connector-rocketmq/gradle.properties

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+#
+# 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.
+#
+rocketmq_version=4.9.5

eventmesh-connectors/source-connector-rocketmq/src/main/java/org/apache/eventmesh/source/connector/rocketmq/EventMeshTestUtils.java

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+/*
+ * 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.eventmesh.source.connector.rocketmq;
+
+import static org.apache.eventmesh.common.protocol.tcp.Command.RESPONSE_TO_SERVER;
+
+import io.cloudevents.CloudEvent;
+import io.cloudevents.core.builder.CloudEventBuilder;
+import java.net.URI;
+import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.UUID;
+import java.util.concurrent.ThreadLocalRandom;
+import org.apache.eventmesh.client.tcp.common.EventMeshCommon;
+import org.apache.eventmesh.client.tcp.common.MessageUtils;
+import org.apache.eventmesh.common.protocol.tcp.EventMeshMessage;
+import org.apache.eventmesh.common.protocol.tcp.Header;
+import org.apache.eventmesh.common.protocol.tcp.Package;
+import org.apache.eventmesh.common.protocol.tcp.UserAgent;
+import org.apache.eventmesh.common.utils.JsonUtils;
+
+public class EventMeshTestUtils {
+
+    private static final int SEQ_LENGTH = 10;
+
+    private static final String ASYNC_MSG_BODY = "testAsyncMessage";
+
+    private static final String DEFAULT_TTL_MS = "30000";
+
+    // generate pub-client
+    public static UserAgent generateClient1() {
+        final UserAgent agent = UserAgent.builder()
+            .env(UtilsConstants.ENV)
+            .host(UtilsConstants.HOST)
+            .password(generateRandomString(UtilsConstants.PASSWORD_LENGTH))
+            .username(UtilsConstants.USER_NAME)
+            .group(UtilsConstants.GROUP)
+            .path(UtilsConstants.PATH)
+            .port(UtilsConstants.PORT_1)
+            .subsystem(UtilsConstants.SUB_SYSTEM_1)
+            .pid(UtilsConstants.PID_1)
+            .version(UtilsConstants.VERSION)
+            .idc(UtilsConstants.IDC)
+            .build();
+        return MessageUtils.generatePubClient(agent);
+    }
+
+    // generate sub-client
+    public static UserAgent generateClient2() {
+        final UserAgent agent = UserAgent.builder()
+            .env(UtilsConstants.ENV)
+            .host(UtilsConstants.HOST)
+            .password(generateRandomString(UtilsConstants.PASSWORD_LENGTH))
+            .username(UtilsConstants.USER_NAME)
+            .group(UtilsConstants.GROUP)
+            .path(UtilsConstants.PATH)
+            .port(UtilsConstants.PORT_2)
+            .subsystem(UtilsConstants.SUB_SYSTEM_2)
+            .pid(UtilsConstants.PID_2)
+            .version(UtilsConstants.VERSION)
+            .idc(UtilsConstants.IDC)
+            .build();
+        return MessageUtils.generateSubClient(agent);
+    }
+
+    public static Package rrResponse(final EventMeshMessage request) {
+        final Package msg = new Package();
+        msg.setHeader(new Header(RESPONSE_TO_SERVER, 0, null, generateRandomString(SEQ_LENGTH)));
+        msg.setBody(request);
+        return msg;
+    }
+
+    private static String generateRandomString(final int length) {
+        final StringBuilder builder = new StringBuilder(length);
+        for (int i = 0; i < length; i++) {
+            builder.append((char) ThreadLocalRandom.current().nextInt(48, 57));
+        }
+        return builder.toString();
+    }
+
+    public static CloudEvent generateCloudEventV1(String destination, String message) {
+        final Map<String, String> content = new HashMap<>();
+        content.put(UtilsConstants.CONTENT, message);
+
+        return CloudEventBuilder.v1()
+            .withId(UUID.randomUUID().toString())
+            .withSubject(destination)
+            .withSource(URI.create("/"))
+            .withDataContentType("application/cloudevents+json")
+            .withType(EventMeshCommon.CLOUD_EVENTS_PROTOCOL_NAME)
+            .withData(Objects.requireNonNull(JsonUtils.toJSONString(content)).getBytes(StandardCharsets.UTF_8))
+            .withExtension(UtilsConstants.TTL, DEFAULT_TTL_MS)
+            .build();
+    }
+
+}

eventmesh-connectors/source-connector-rocketmq/src/main/java/org/apache/eventmesh/source/connector/rocketmq/RocketMQSourceWorker.java

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+package org.apache.eventmesh.source.connector.rocketmq;
+
+import io.cloudevents.CloudEvent;
+import java.util.List;
+import org.apache.eventmesh.client.tcp.EventMeshTCPClient;
+import org.apache.eventmesh.client.tcp.EventMeshTCPClientFactory;
+import org.apache.eventmesh.client.tcp.conf.EventMeshTCPClientConfig;
+import org.apache.eventmesh.common.protocol.tcp.UserAgent;
+import org.apache.eventmesh.connector.api.data.ConnectRecord;
+import org.apache.eventmesh.source.connector.rocketmq.config.RocketMQSourceConfig;
+import org.apache.eventmesh.source.connector.rocketmq.connector.RocketMQSourceConnector;
+
+public class RocketMQSourceWorker {
+
+    public static final String SOURCE_CONSUMER_GROUP = "DEFAULT-CONSUMER-GROUP";
+    public static final String SOURCE_CONNECT_NAMESRVADDR = "127.0.0.1:9877";
+    public static final String SOURCE_TOPIC = "TopicTest";
+
+    public static final String DESTINATION = "SourceTopic";
+
+
+    public static void main(String[] args) throws Exception {
+
+        UserAgent userAgent = EventMeshTestUtils.generateClient1();
+        EventMeshTCPClientConfig eventMeshTcpClientConfig = EventMeshTCPClientConfig.builder()
+            .host("127.0.0.1")
+            .port(10002)
+            .userAgent(userAgent)
+            .build();
+
+        final EventMeshTCPClient<CloudEvent> client =
+            EventMeshTCPClientFactory.createEventMeshTCPClient(eventMeshTcpClientConfig, CloudEvent.class);
+
+        client.init();
+
+        RocketMQSourceConnector rocketMQSourceConnector = new RocketMQSourceConnector();
+
+        RocketMQSourceConfig rocketMQSourceConfig = new RocketMQSourceConfig();
+
+        rocketMQSourceConfig.setSourceNameserver(SOURCE_CONNECT_NAMESRVADDR);
+        rocketMQSourceConfig.setSourceTopic(SOURCE_TOPIC);
+        rocketMQSourceConfig.setSourceGroup(SOURCE_CONSUMER_GROUP);
+
+        rocketMQSourceConnector.init(rocketMQSourceConfig);
+
+        rocketMQSourceConnector.start();
+
+        while(true) {
+            List<ConnectRecord> connectorRecordList = rocketMQSourceConnector.poll();
+            for(ConnectRecord connectRecord : connectorRecordList) {
+                // todo:connectorRecord 转换 cloudEvents
+                CloudEvent event = EventMeshTestUtils.generateCloudEventV1(connectRecord.getExtension("topic"), connectRecord.getData().toString());
+                client.publish(event, 3000);
+                Thread.sleep(500);
+            }
+        }
+
+    }
+
+}

eventmesh-connectors/source-connector-rocketmq/src/main/java/org/apache/eventmesh/source/connector/rocketmq/UtilsConstants.java

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+/*
+ * 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.eventmesh.source.connector.rocketmq;
+
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+
+
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class UtilsConstants {
+
+    public static final String ENV = "test";
+    public static final String HOST = "localhost";
+    public static final Integer PASSWORD_LENGTH = 8;
+    public static final String USER_NAME = "PU4283";
+    public static final String GROUP = "EventmeshTestGroup";
+    public static final String PATH = "/data/app/umg_proxy";
+    public static final Integer PORT_1 = 8362;
+    public static final Integer PORT_2 = 9362;
+    public static final String SUB_SYSTEM_1 = "5023";
+    public static final String SUB_SYSTEM_2 = "5017";
+    public static final Integer PID_1 = 32_893;
+    public static final Integer PID_2 = 42_893;
+    public static final String VERSION = "2.0.11";
+    public static final String IDC = "FT";
+    /**
+     * PROPERTY KEY NAME .
+     */
+    public static final String MSG_TYPE = "msgtype";
+    public static final String TTL = "ttl";
+    public static final String KEYS = "keys";
+    public static final String REPLY_TO = "replyto";
+    public static final String PROPERTY_MESSAGE_REPLY_TO = "propertymessagereplyto";
+    public static final String CONTENT = "content";
+
+
+}

eventmesh-connectors/source-connector-rocketmq/src/main/java/org/apache/eventmesh/source/connector/rocketmq/config/RocketMQSourceConfig.java

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+/*
+ * 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.eventmesh.source.connector.rocketmq.config;
+
+import org.apache.eventmesh.connector.api.config.SourceConfig;
+
+public class RocketMQSourceConfig extends SourceConfig {
+
+    String connectorName;
+
+    String sourceNameserver;
+
+    String sourceTopic;
+
+    String sourceGroup;
+
+    public String getConnectorName() {
+        return connectorName;
+    }
+
+    public void setConnectorName(String connectorName) {
+        this.connectorName = connectorName;
+    }
+
+    public String getSourceNameserver() {
+        return sourceNameserver;
+    }
+
+    public void setSourceNameserver(String sourceNameserver) {
+        this.sourceNameserver = sourceNameserver;
+    }
+
+    public String getSourceTopic() {
+        return sourceTopic;
+    }
+
+    public void setSourceTopic(String sourceTopic) {
+        this.sourceTopic = sourceTopic;
+    }
+
+    public String getSourceGroup() {
+        return sourceGroup;
+    }
+
+    public void setSourceGroup(String sourceGroup) {
+        this.sourceGroup = sourceGroup;
+    }
+}