Java tutorial
/** * Copyright (c) 2009, WSO2 Inc. (http://www.wso2.org) All Rights Reserved. * * Licensed 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.synapse.transport.passthru.config; import org.apache.axis2.AxisFault; import org.apache.axis2.context.ConfigurationContext; import org.apache.axis2.description.ParameterInclude; import org.apache.axis2.transport.base.threads.WorkerPool; import org.apache.axis2.transport.base.threads.WorkerPoolFactory; import org.apache.http.impl.nio.reactor.IOReactorConfig; import org.apache.http.nio.util.HeapByteBufferAllocator; import org.apache.http.params.BasicHttpParams; import org.apache.http.params.HttpConnectionParams; import org.apache.http.params.HttpParams; import org.apache.http.params.HttpProtocolParams; import org.apache.http.protocol.HTTP; import org.apache.synapse.transport.passthru.PassThroughConstants; import org.apache.synapse.transport.passthru.jmx.PassThroughTransportMetricsCollector; import org.apache.synapse.transport.passthru.util.BufferFactory; /** * This class has common configurations for both sender and receiver. */ public abstract class BaseConfiguration { /** * Configurations given by axis2.xml */ protected ParameterInclude parameters = null; /** The thread pool for executing the messages passing through */ private WorkerPool workerPool = null; /** The Axis2 ConfigurationContext */ protected ConfigurationContext configurationContext = null; /** Default http parameters */ protected HttpParams httpParams = null; protected IOReactorConfig ioReactorConfig = null; protected BufferFactory bufferFactory = null; private PassThroughTransportMetricsCollector metrics = null; private int iOBufferSize; protected PassThroughConfiguration conf = PassThroughConfiguration.getInstance(); private Boolean correlationLoggingEnabled = false; private static final String PASSTHROUGH_THREAD_GROUP = "Pass-through Message Processing Thread Group"; private static final String PASSTHROUGH_THREAD_ID = "PassThroughMessageProcessor"; public BaseConfiguration(ConfigurationContext configurationContext, ParameterInclude parameters, WorkerPool workerPool, PassThroughTransportMetricsCollector metrics) { this.parameters = parameters; this.workerPool = workerPool; this.configurationContext = configurationContext; this.metrics = metrics; } public void build() throws AxisFault { iOBufferSize = conf.getIOBufferSize(); if (workerPool == null) { workerPool = WorkerPoolFactory.getWorkerPool(conf.getWorkerPoolCoreSize(), conf.getWorkerPoolMaxSize(), conf.getWorkerThreadKeepaliveSec(), conf.getWorkerPoolQueueLen(), PASSTHROUGH_THREAD_GROUP, PASSTHROUGH_THREAD_ID); } httpParams = buildHttpParams(); ioReactorConfig = buildIOReactorConfig(); String sysCorrelationStatus = System.getProperty(PassThroughConstants.CORRELATION_LOGS_SYS_PROPERTY); if (sysCorrelationStatus != null) { correlationLoggingEnabled = sysCorrelationStatus.equalsIgnoreCase("true"); } bufferFactory = new BufferFactory(iOBufferSize, new HeapByteBufferAllocator(), 512); } public WorkerPool getWorkerPool(int workerPoolCoreSize, int workerPoolMaxSize, int workerThreadKeepaliveSec, int workerPoolQueuLen, String threadGroupName, String threadgroupID) { if (threadGroupName == null) { threadGroupName = PASSTHROUGH_THREAD_GROUP; } if (threadgroupID == null) { threadgroupID = PASSTHROUGH_THREAD_ID; } if (workerPoolCoreSize == 0) { workerPoolCoreSize = conf.getWorkerPoolCoreSize(); } if (workerPoolMaxSize == 0) { workerPoolMaxSize = conf.getWorkerPoolMaxSize(); } if (workerThreadKeepaliveSec == 0) { workerThreadKeepaliveSec = conf.getWorkerThreadKeepaliveSec(); } if (workerPoolQueuLen == 0) { workerPoolQueuLen = conf.getWorkerPoolQueueLen(); } return WorkerPoolFactory.getWorkerPool(workerPoolCoreSize, workerPoolMaxSize, workerThreadKeepaliveSec, workerPoolQueuLen, threadGroupName, threadgroupID); } public int getIOBufferSize() { return iOBufferSize; } public WorkerPool getWorkerPool() { return workerPool; } public ConfigurationContext getConfigurationContext() { return configurationContext; } protected HttpParams buildHttpParams() { HttpParams params = new BasicHttpParams(); params.setIntParameter(HttpConnectionParams.SO_TIMEOUT, conf.getIntProperty(HttpConnectionParams.SO_TIMEOUT, 60000)) .setIntParameter(HttpConnectionParams.CONNECTION_TIMEOUT, conf.getIntProperty(HttpConnectionParams.CONNECTION_TIMEOUT, 0)) .setIntParameter(HttpConnectionParams.SOCKET_BUFFER_SIZE, conf.getIntProperty(HttpConnectionParams.SOCKET_BUFFER_SIZE, 8 * 1024)) .setParameter(HttpProtocolParams.ORIGIN_SERVER, conf.getStringProperty(HttpProtocolParams.ORIGIN_SERVER, "WSO2-PassThrough-HTTP")) .setParameter(HttpProtocolParams.USER_AGENT, conf.getStringProperty(HttpProtocolParams.USER_AGENT, "Synapse-PT-HttpComponents-NIO")); // setParameter(HttpProtocolParams.HTTP_ELEMENT_CHARSET, // conf.getStringProperty(HttpProtocolParams.HTTP_ELEMENT_CHARSET, HTTP.DEFAULT_PROTOCOL_CHARSET));//TODO:This does not works with HTTPCore 4.3 return params; } protected IOReactorConfig buildIOReactorConfig() { IOReactorConfig config = new IOReactorConfig(); config.setIoThreadCount(conf.getIOThreadsPerReactor()); config.setSoTimeout(conf.getIntProperty(HttpConnectionParams.SO_TIMEOUT, 60000)); config.setConnectTimeout(conf.getIntProperty(HttpConnectionParams.CONNECTION_TIMEOUT, 0)); config.setTcpNoDelay(conf.getBooleanProperty(HttpConnectionParams.TCP_NODELAY, true)); config.setSoLinger(conf.getIntProperty(HttpConnectionParams.SO_LINGER, -1)); config.setSoReuseAddress(conf.getBooleanProperty(HttpConnectionParams.SO_REUSEADDR, false)); config.setInterestOpQueued(conf.getBooleanProperty("http.nio.interest-ops-queueing", false)); config.setSelectInterval(conf.getIntProperty("http.nio.select-interval", 1000)); return config; } public BufferFactory getBufferFactory() { return bufferFactory; } public PassThroughTransportMetricsCollector getMetrics() { return metrics; } public Boolean isCorrelationLoggingEnabled() { return correlationLoggingEnabled; } }