| /* |
| * 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.sling.reqanalyzer.impl; |
| |
| import java.io.BufferedWriter; |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStreamWriter; |
| import java.util.Hashtable; |
| import java.util.Iterator; |
| |
| import javax.servlet.Filter; |
| import javax.servlet.FilterChain; |
| import javax.servlet.FilterConfig; |
| import javax.servlet.ServletException; |
| import javax.servlet.ServletRequest; |
| import javax.servlet.ServletResponse; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.sling.api.SlingHttpServletRequest; |
| import org.apache.sling.api.SlingHttpServletResponse; |
| import org.apache.sling.api.wrappers.SlingHttpServletResponseWrapper; |
| import org.apache.sling.engine.EngineConstants; |
| import org.apache.sling.settings.SlingSettingsService; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.ServiceRegistration; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.propertytypes.ServiceRanking; |
| |
| @Component(service = {RequestAnalysisLogger.class}, |
| property = { |
| EngineConstants.FILTER_NAME + "=RequestAnalysisLogger", |
| EngineConstants.SLING_FILTER_SCOPE + "=" + EngineConstants.FILTER_SCOPE_REQUEST, |
| }) |
| @ServiceRanking(Integer.MAX_VALUE) |
| public class RequestAnalysisLogger implements Filter { |
| |
| @Reference |
| private SlingSettingsService settings; |
| |
| private BufferedWriter logFile; |
| |
| private RequestAnalyzerWebConsole requestAnalyzerWebConsole; |
| private ServiceRegistration webConsolePlugin; |
| |
| @SuppressWarnings({ "serial" }) |
| @Activate |
| private void activate(final BundleContext ctx) throws IOException { |
| final File logFile = new File(settings.getSlingHomePath(), "logs/requesttracker.txt"); |
| logFile.getParentFile().mkdirs(); |
| final FileOutputStream out = new FileOutputStream(logFile, true); |
| this.logFile = new BufferedWriter(new OutputStreamWriter(out, "UTF-8")); |
| |
| this.requestAnalyzerWebConsole = new RequestAnalyzerWebConsole(logFile); |
| this.webConsolePlugin = ctx.registerService("javax.servlet.Servlet", this.requestAnalyzerWebConsole, |
| new Hashtable<String, Object>() { |
| { |
| put("felix.webconsole.label", "requestanalyzer"); |
| put("felix.webconsole.title", "Request Analyzer"); |
| put("felix.webconsole.category", "Sling"); |
| } |
| }); |
| } |
| |
| @Deactivate |
| private void deactivate() throws IOException { |
| if (this.webConsolePlugin != null) { |
| this.webConsolePlugin.unregister(); |
| this.webConsolePlugin = null; |
| } |
| |
| if (this.requestAnalyzerWebConsole != null) { |
| this.requestAnalyzerWebConsole.dispose(); |
| this.requestAnalyzerWebConsole = null; |
| } |
| |
| if (this.logFile != null) { |
| this.logFile.close(); |
| this.logFile = null; |
| } |
| } |
| |
| public void init(FilterConfig filterConfig) throws ServletException { |
| } |
| |
| public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, |
| ServletException { |
| |
| if (request instanceof SlingHttpServletRequest) { |
| final long start = System.currentTimeMillis(); |
| final AnylserSlingHttpServletResponse slingRes = new AnylserSlingHttpServletResponse( |
| (SlingHttpServletResponse) response); |
| try { |
| chain.doFilter(request, response); |
| } finally { |
| final long end = System.currentTimeMillis(); |
| final SlingHttpServletRequest slingReq = (SlingHttpServletRequest) request; |
| |
| StringBuilder pw = new StringBuilder(1024); |
| pw.append(String.format(":%d:%d:%s:%s:%s:%d%n", start, (end - start), slingReq.getMethod(), |
| slingReq.getRequestURI(), slingRes.getContentType(), slingRes.getStatus())); |
| |
| final Iterator<String> entries = slingReq.getRequestProgressTracker().getMessages(); |
| while (entries.hasNext()) { |
| pw.append('!').append(entries.next()); |
| } |
| |
| BufferedWriter out = this.logFile; |
| if (out != null) { |
| out.write(pw.toString()); |
| out.flush(); |
| } |
| } |
| } else { |
| chain.doFilter(request, response); |
| } |
| } |
| |
| public void destroy() { |
| } |
| |
| private static class AnylserSlingHttpServletResponse extends SlingHttpServletResponseWrapper { |
| |
| private int status = 200; |
| |
| public AnylserSlingHttpServletResponse(SlingHttpServletResponse wrappedResponse) { |
| super(wrappedResponse); |
| } |
| |
| public int getStatus() { |
| return status; |
| } |
| |
| @Override |
| public void setStatus(int sc) { |
| this.status = sc; |
| super.setStatus(sc); |
| } |
| |
| @Override |
| public void setStatus(int sc, String sm) { |
| this.status = sc; |
| super.setStatus(sc, sm); |
| } |
| |
| @Override |
| public void sendError(int sc) throws IOException { |
| this.status = sc; |
| super.sendError(sc); |
| } |
| |
| @Override |
| public void sendError(int sc, String msg) throws IOException { |
| this.status = sc; |
| super.sendError(sc, msg); |
| } |
| |
| @Override |
| public void sendRedirect(String location) throws IOException { |
| this.status = HttpServletResponse.SC_FOUND; |
| super.sendRedirect(location); |
| } |
| } |
| } |