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Posted to commits@eventmesh.apache.org by mi...@apache.org on 2022/10/15 06:32:13 UTC
[incubator-eventmesh] branch protocol-amqp updated: realization exchange service impl
This is an automated email from the ASF dual-hosted git repository.
mikexue pushed a commit to branch protocol-amqp
in repository https://gitbox.apache.org/repos/asf/incubator-eventmesh.git
The following commit(s) were added to refs/heads/protocol-amqp by this push:
new f803c3f8 realization exchange service impl
new 6f6c413b Merge pull request #1599 from wangshaojie4039/protocol-amqp
f803c3f8 is described below
commit f803c3f8d309900dc7f88e433409d76fa83063bb
Author: wangshaojie <wa...@cmss.chinamobile.com>
AuthorDate: Sat Oct 15 14:24:46 2022 +0800
realization exchange service impl
---
.../protocol/amqp/metadata/model/ExchangeInfo.java | 11 ++
.../protocol/amqp/service/ExchangeServiceImpl.java | 185 +++++++++++++++++++++
2 files changed, 196 insertions(+)
diff --git a/eventmesh-runtime/src/main/java/org/apache/eventmesh/runtime/core/protocol/amqp/metadata/model/ExchangeInfo.java b/eventmesh-runtime/src/main/java/org/apache/eventmesh/runtime/core/protocol/amqp/metadata/model/ExchangeInfo.java
index b3939efc..016a6230 100644
--- a/eventmesh-runtime/src/main/java/org/apache/eventmesh/runtime/core/protocol/amqp/metadata/model/ExchangeInfo.java
+++ b/eventmesh-runtime/src/main/java/org/apache/eventmesh/runtime/core/protocol/amqp/metadata/model/ExchangeInfo.java
@@ -34,6 +34,17 @@ public class ExchangeInfo {
private Map<String, Set<BindingInfo>> bindings;
+
+ public ExchangeInfo() {
+ }
+
+ public ExchangeInfo(String exchangeName, boolean durable, boolean autoDelete, ExchangeType exchangeType) {
+ this.exchangeName = exchangeName;
+ this.durable = durable;
+ this.autoDelete = autoDelete;
+ this.exchangeType = exchangeType;
+ }
+
public void setExchangeName(String exchangeName) {
this.exchangeName = exchangeName;
}
diff --git a/eventmesh-runtime/src/main/java/org/apache/eventmesh/runtime/core/protocol/amqp/service/ExchangeServiceImpl.java b/eventmesh-runtime/src/main/java/org/apache/eventmesh/runtime/core/protocol/amqp/service/ExchangeServiceImpl.java
new file mode 100644
index 00000000..4d1f570b
--- /dev/null
+++ b/eventmesh-runtime/src/main/java/org/apache/eventmesh/runtime/core/protocol/amqp/service/ExchangeServiceImpl.java
@@ -0,0 +1,185 @@
+/*
+ * 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.runtime.core.protocol.amqp.service;
+
+import org.apache.eventmesh.runtime.boot.EventMeshAmqpServer;
+import org.apache.eventmesh.runtime.core.protocol.amqp.exception.AmqpException;
+import org.apache.eventmesh.runtime.core.protocol.amqp.exception.AmqpNotFoundException;
+import org.apache.eventmesh.runtime.core.protocol.amqp.exchange.ExchangeDefaults;
+import org.apache.eventmesh.runtime.core.protocol.amqp.exchange.ExchangeType;
+import org.apache.eventmesh.runtime.core.protocol.amqp.metadata.MetaStore;
+import org.apache.eventmesh.runtime.core.protocol.amqp.metadata.manager.ExchangeManager;
+import org.apache.eventmesh.runtime.core.protocol.amqp.metadata.model.BindingInfo;
+import org.apache.eventmesh.runtime.core.protocol.amqp.metadata.model.ExchangeInfo;
+import org.apache.eventmesh.runtime.core.protocol.amqp.remoting.protocol.ErrorCodes;
+import org.apache.eventmesh.runtime.core.protocol.amqp.util.ExchangeUtil;
+import org.apache.eventmesh.runtime.core.protocol.amqp.util.NameUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Map;
+import java.util.Set;
+
+public class ExchangeServiceImpl implements ExchangeService {
+
+ private final Logger log = LoggerFactory.getLogger(this.getClass().getName());
+
+ private EventMeshAmqpServer brokerService;
+
+ private MetaStore metaStore;
+
+ private ExchangeManager exchangeManager;
+
+ public ExchangeServiceImpl(EventMeshAmqpServer brokerService, MetaStore metaStore) {
+ this.brokerService = brokerService;
+ this.metaStore = metaStore;
+ this.exchangeManager = metaStore.exchange();
+ }
+
+ private String formatString(String s) {
+ return s.replaceAll("\r", "").
+ replaceAll("\n", "").trim();
+ }
+
+
+ @Override
+ public void exchangeDeclare(String virtualHostName,
+ String exchange, String type, boolean durable, boolean autoDelete,
+ boolean internal, Map<String, Object> arguments) throws AmqpException {
+
+ if (ExchangeUtil.isDefaultExchange(exchange)) {
+ throw new AmqpException(ErrorCodes.ACCESS_REFUSED,
+ "Attempt to redeclare default exchange: of type " + ExchangeDefaults.DIRECT_EXCHANGE_CLASS);
+ }
+
+ try {
+ NameUtils.checkName(exchange);
+ } catch (IllegalArgumentException e) {
+ log.error("Exchange Name is illegal：{}", exchange, e);
+ throw new AmqpException(ErrorCodes.INVALID_ARGUMENT, "Exchange Name is illegal:" + exchange);
+ }
+
+ ExchangeType exchangeType;
+ if (ExchangeUtil.isBuildInExchange(exchange)) {
+ exchangeType = ExchangeUtil.getBuildInExchangeType(exchange);
+ } else {
+ exchangeType = ExchangeType.value(type);
+ }
+
+ if (exchangeType == null) {
+ throw new AmqpException(ErrorCodes.ACCESS_REFUSED, "exchange type can not be empty");
+ }
+
+ ExchangeInfo exchangeInfo = exchangeManager.getExchange(virtualHostName, exchange);
+ if (exchangeInfo == null) {
+
+ ExchangeInfo meta = new ExchangeInfo();
+ meta.setExchangeName(exchange);
+ meta.setExchangeType(exchangeType);
+ meta.setDurable(durable);
+ meta.setAutoDelete(autoDelete);
+ try {
+ exchangeManager.createExchange(virtualHostName, exchange, meta);
+ } catch (Throwable throwable) {
+ log.error("createExchange error {}", exchange, throwable);
+ throw new AmqpException(ErrorCodes.INTERNAL_ERROR,
+ "Failed to createExchange: " + exchange, throwable);
+ }
+ } else {
+ if (exchangeInfo.isAutoDelete() != autoDelete) {
+ throw new AmqpException(ErrorCodes.IN_USE,
+ "Attempt to redeclare exchange: '"
+ + exchange + "' of autoDelete " + exchangeInfo.isAutoDelete()
+ + " to " + autoDelete + ".");
+ } else if (!exchangeInfo.getExchangeType().toString().
+ equalsIgnoreCase(exchangeType.toString())) {
+ throw new AmqpException(ErrorCodes.IN_USE,
+ "Attempt to redeclare exchange: '"
+ + exchange + "' of type " + exchangeInfo.getExchangeType()
+ + " to " + exchangeType + ".");
+ }
+ }
+
+ }
+
+ @Override
+ public void exchangeDelete(String virtualHostName, String exchange, boolean ifUnused) throws AmqpException {
+
+ if (ExchangeUtil.isDefaultExchange(exchange)) {
+ throw new AmqpException(ErrorCodes.ACCESS_REFUSED,
+ "Default Exchange cannot be deleted:" + exchange);
+ }
+ if (ExchangeUtil.isBuildInExchange(exchange)) {
+ throw new AmqpException(ErrorCodes.ACCESS_REFUSED,
+ "BuildIn Exchange cannot be deleted:" + exchange);
+ }
+
+ ExchangeInfo exchangeInfo = exchangeManager.getExchange(virtualHostName, exchange);
+ if (exchangeInfo == null) {
+ log.warn("delete not exist exchange {}", exchange);
+ return;
+ }
+
+ try {
+ Set<BindingInfo> bindingInfos = exchangeManager.getBindings(virtualHostName, exchange);
+ if (ifUnused && bindingInfos != null && bindingInfos.size() > 0) {
+ log.error("Failed to delete exchange, exchange:{}/{} has bindings, count = {}",
+ virtualHostName, exchange, bindingInfos.size());
+ throw new AmqpException(ErrorCodes.IN_USE, "Exchange has bindings:" + exchange);
+ } else {
+ unbindAllQueues4Exchange(virtualHostName, exchange, bindingInfos);
+ exchangeManager.exchangeUnBindAll(virtualHostName, exchange);
+ exchangeManager.deleteExchange(virtualHostName, exchange);
+ }
+ } catch (Throwable throwable) {
+ log.error("exchangeDelete error {}", exchange, throwable);
+ throw new AmqpException(ErrorCodes.INTERNAL_ERROR, throwable.getMessage());
+ }
+ }
+
+ private void unbindAllQueues4Exchange(String virtualHostName, String exchange,
+ Set<BindingInfo> bindings) throws AmqpNotFoundException {
+ if (bindings != null && bindings.size() > 0) {
+ for (BindingInfo binding : bindings) {
+ metaStore.queue().queueUnBind(virtualHostName, binding.getDestination(), exchange);
+ }
+ }
+ }
+
+ @Override
+ public Set<BindingInfo> getBindings(String virtualHostName, String exchange) throws Exception {
+ return exchangeManager.getBindings(virtualHostName, exchange);
+ }
+
+ @Override
+ public ExchangeInfo getExchange(String virtualHostName, String exchange) {
+ return exchangeManager.getExchange(virtualHostName, exchange);
+ }
+
+ @Override
+ public boolean checkExchangeExist(String virtualHostName, String exchange) {
+ return exchangeManager.checkExist(virtualHostName, exchange);
+ }
+
+ @Override
+ public Set<String> getExchangeList(String virtualHostName) throws Exception {
+ return exchangeManager.getExchangeList(virtualHostName);
+ }
+
+
+}
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