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Merge pull request #351 from DedunuKarunarathne/master
RabbitMQ Proxy level throttling implementation
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modules/rabbitmq/src/main/java/org/apache/axis2/transport/rabbitmq/RabbitMQConfigUtils.java
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| /** | ||
| * Copyright (c) 2024, WSO2 LLC. (http://www.wso2.org) All Rights Reserved. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
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| package org.apache.axis2.transport.rabbitmq; | ||
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| import org.apache.commons.logging.Log; | ||
| import org.apache.commons.logging.LogFactory; | ||
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| import java.util.Map; | ||
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| /** | ||
| * The {@code RabbitMQConfigUtils} class is responsible for retrieving | ||
| * RabbitMQ configuration properties, including throttle limit, | ||
| * throttle mode, and throttle time unit. | ||
| */ | ||
| public class RabbitMQConfigUtils { | ||
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| private static final Log log = LogFactory.getLog(RabbitMQConfigUtils.class); | ||
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| /** | ||
| * | ||
| * Retrieves the throttle count from rabbitMQProperties. | ||
| * | ||
| * @param rabbitMQProperties the map containing the configuration properties | ||
| * @return the throttle limit, defaulting to 60 | ||
| */ | ||
| public static int getThrottleCount(Map<String, String> rabbitMQProperties) { | ||
| String throttleCountStr = rabbitMQProperties.get(RabbitMQConstants.RABBITMQ_PROXY_THROTTLE_COUNT); | ||
| int throttleCount = RabbitMQConstants.RABBITMQ_PROXY_DEFAULT_THROTTLE_LIMIT; // Default value | ||
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| if (throttleCountStr != null) { | ||
| try { | ||
| throttleCount = Integer.parseInt(throttleCountStr); | ||
| if (throttleCount <= 0) { | ||
| log.error("Throttle limit value is zero or negative, using default: " | ||
| + RabbitMQConstants.RABBITMQ_PROXY_DEFAULT_THROTTLE_LIMIT); | ||
| throttleCount = RabbitMQConstants.RABBITMQ_PROXY_DEFAULT_THROTTLE_LIMIT; | ||
| } | ||
| } catch (NumberFormatException e) { | ||
| log.error("Invalid throttle limit value '" + throttleCountStr + "', using default: " | ||
| + RabbitMQConstants.RABBITMQ_PROXY_DEFAULT_THROTTLE_LIMIT, e); | ||
| } | ||
| } else { | ||
| log.warn("Throttle count property is not set, using default: " | ||
| + RabbitMQConstants.RABBITMQ_PROXY_DEFAULT_THROTTLE_LIMIT); | ||
| } | ||
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| return throttleCount; | ||
| } | ||
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| /** | ||
| * Retrieves the throttle mode from rabbitMQProperties. | ||
| * | ||
| * @param rabbitMQProperties the map containing the configuration properties | ||
| * @return the throttle mode as a string, defaulting to FIXED_INTERVAL | ||
| */ | ||
| public static RabbitMQConstants.ThrottleMode getThrottleMode(Map<String, String> rabbitMQProperties) { | ||
| String throttleModeStr = rabbitMQProperties.get(RabbitMQConstants.RABBITMQ_PROXY_THROTTLE_MODE); | ||
| RabbitMQConstants.ThrottleMode throttleMode = null; | ||
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| if (throttleModeStr != null) { | ||
| throttleMode = RabbitMQConstants.ThrottleMode.fromString(throttleModeStr); | ||
| } | ||
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| if (throttleMode == null) { | ||
| log.error("Invalid or missing throttle mode: " + throttleModeStr + ", using default: " | ||
| + RabbitMQConstants.ThrottleMode.FIXED_INTERVAL); | ||
| throttleMode = RabbitMQConstants.ThrottleMode.FIXED_INTERVAL; // default mode | ||
| } | ||
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| return throttleMode; | ||
| } | ||
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| /** | ||
| * Retrieves the throttle time unit from rabbitMQProperties. | ||
| * | ||
| * @param rabbitMQProperties the map containing the configuration properties | ||
| * @return the throttle time unit as a string, defaulting to MINUTE | ||
| */ | ||
| public static RabbitMQConstants.ThrottleTimeUnit getThrottleTimeUnit(Map<String, String> rabbitMQProperties) { | ||
| String timeUnitStr = rabbitMQProperties.get(RabbitMQConstants.RABBITMQ_PROXY_THROTTLE_TIME_UNIT); | ||
| RabbitMQConstants.ThrottleTimeUnit timeUnit = null; | ||
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| if (timeUnitStr != null) { | ||
| timeUnit = RabbitMQConstants.ThrottleTimeUnit.fromString(timeUnitStr); | ||
| } | ||
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| if (timeUnit == null) { | ||
| log.error("Invalid or missing throttle time unit: " + timeUnitStr + ", using default: " | ||
| + RabbitMQConstants.ThrottleTimeUnit.MINUTE); | ||
| timeUnit = RabbitMQConstants.ThrottleTimeUnit.MINUTE; | ||
| } | ||
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| return timeUnit; | ||
| } | ||
| } | ||
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