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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.dubbo.remoting.http.tomcat;
import org.apache.dubbo.common.URL;
import org.apache.dubbo.common.logger.ErrorTypeAwareLogger;
import org.apache.dubbo.common.logger.LoggerFactory;
import org.apache.dubbo.remoting.http.HttpHandler;
import org.apache.dubbo.remoting.http.servlet.DispatcherServlet;
import org.apache.dubbo.remoting.http.servlet.ServletManager;
import org.apache.dubbo.remoting.http.support.AbstractHttpServer;
import org.apache.catalina.Context;
import org.apache.catalina.LifecycleException;
import org.apache.catalina.connector.Connector;
import org.apache.catalina.startup.Tomcat;
import java.io.File;
import static org.apache.dubbo.common.constants.CommonConstants.DEFAULT_THREADS;
import static org.apache.dubbo.common.constants.CommonConstants.THREADS_KEY;
import static org.apache.dubbo.common.constants.LoggerCodeConstants.COMMON_FAILED_STOP_HTTP_SERVER;
import static org.apache.dubbo.remoting.Constants.ACCEPTS_KEY;
public class TomcatHttpServer extends AbstractHttpServer {
private static final ErrorTypeAwareLogger logger = LoggerFactory.getErrorTypeAwareLogger(TomcatHttpServer.class);
private final Tomcat tomcat;
private final URL url;
public TomcatHttpServer(URL url, final HttpHandler handler) {
super(url, handler);
this.url = url;
DispatcherServlet.addHttpHandler(url.getPort(), handler);
String baseDir = new File(System.getProperty("java.io.tmpdir")).getAbsolutePath();
tomcat = new Tomcat();
Connector connector = tomcat.getConnector();
connector.setPort(url.getPort());
connector.setProperty("maxThreads", String.valueOf(url.getParameter(THREADS_KEY, DEFAULT_THREADS)));
connector.setProperty("maxConnections", String.valueOf(url.getParameter(ACCEPTS_KEY, -1)));
connector.setProperty("URIEncoding", "UTF-8");
connector.setProperty("connectionTimeout", "60000");
connector.setProperty("maxKeepAliveRequests", "-1");
tomcat.setBaseDir(baseDir);
tomcat.setPort(url.getPort());
Context context = tomcat.addContext("/", baseDir);
Tomcat.addServlet(context, "dispatcher", new DispatcherServlet());
// Issue : https://github.com/apache/dubbo/issues/6418
// addServletMapping method will be removed since Tomcat 9
// context.addServletMapping("/*", "dispatcher");
context.addServletMappingDecoded("/*", "dispatcher");
ServletManager.getInstance().addServletContext(url.getPort(), context.getServletContext());
// tell tomcat to fail on startup failures.
System.setProperty("org.apache.catalina.startup.EXIT_ON_INIT_FAILURE", "true");
try {
tomcat.start();
} catch (LifecycleException e) {
throw new IllegalStateException("Failed to start tomcat server at " + url.getAddress(), e);
}
}
@Override
public void close() {
super.close();
ServletManager.getInstance().removeServletContext(url.getPort());
try {
tomcat.stop();
// close port by destroy()
tomcat.destroy();
} catch (Exception e) {
logger.warn(COMMON_FAILED_STOP_HTTP_SERVER, "", "", e.getMessage(), e);
}
}
}