| /* |
| * 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.bookkeeper.server.http.service; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.apache.bookkeeper.bookie.BookieShell.listFilesAndSort; |
| |
| import com.google.common.collect.Maps; |
| |
| import java.io.File; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.bookkeeper.common.util.JsonUtil; |
| import org.apache.bookkeeper.conf.ServerConfiguration; |
| import org.apache.bookkeeper.http.HttpServer; |
| import org.apache.bookkeeper.http.service.HttpEndpointService; |
| import org.apache.bookkeeper.http.service.HttpServiceRequest; |
| import org.apache.bookkeeper.http.service.HttpServiceResponse; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * HttpEndpointService that handle Bookkeeper list disk files related http request. |
| * |
| * <p>The GET method will list all bookie files of type journal|entrylog|index in this bookie. |
| * The output would be like this: |
| * { |
| * "journal files" : "filename1 \t ...", |
| * "entrylog files" : "filename1 \t ...", |
| * "index files" : "filename1 \t ..." |
| * } |
| */ |
| public class ListDiskFilesService implements HttpEndpointService { |
| |
| static final Logger LOG = LoggerFactory.getLogger(ListDiskFilesService.class); |
| |
| protected ServerConfiguration conf; |
| |
| public ListDiskFilesService(ServerConfiguration conf) { |
| checkNotNull(conf); |
| this.conf = conf; |
| } |
| |
| @Override |
| public HttpServiceResponse handle(HttpServiceRequest request) throws Exception { |
| HttpServiceResponse response = new HttpServiceResponse(); |
| Map<String, String> params = request.getParams(); |
| |
| if (HttpServer.Method.GET == request.getMethod()) { |
| /** |
| * output: |
| * { |
| * "journal files" : "filename \t ...", |
| * "entrylog files" : "filename \t ...", |
| * "index files" : "filename \t ..." |
| * } |
| */ |
| Map<String, String> output = Maps.newHashMap(); |
| |
| boolean journal = params != null |
| && params.containsKey("file_type") |
| && params.get("file_type").equals("journal"); |
| boolean entrylog = params != null |
| && params.containsKey("file_type") |
| && params.get("file_type").equals("entrylog"); |
| boolean index = params != null |
| && params.containsKey("file_type") |
| && params.get("file_type").equals("index"); |
| boolean all = false; |
| |
| if (!journal && !entrylog && !index && !all) { |
| all = true; |
| } |
| |
| if (all || journal) { |
| File[] journalDirs = conf.getJournalDirs(); |
| List<File> journalFiles = listFilesAndSort(journalDirs, "txn"); |
| StringBuffer files = new StringBuffer(); |
| for (File journalFile : journalFiles) { |
| files.append(journalFile.getName() + "\t"); |
| } |
| output.put("journal files", files.toString()); |
| } |
| |
| if (all || entrylog) { |
| File[] ledgerDirs = conf.getLedgerDirs(); |
| List<File> ledgerFiles = listFilesAndSort(ledgerDirs, "log"); |
| StringBuffer files = new StringBuffer(); |
| for (File ledgerFile : ledgerFiles) { |
| files.append(ledgerFile.getName() + "\t"); |
| } |
| output.put("entrylog files", files.toString()); |
| } |
| |
| if (all || index) { |
| File[] indexDirs = (conf.getIndexDirs() == null) ? conf.getLedgerDirs() : conf.getIndexDirs(); |
| List<File> indexFiles = listFilesAndSort(indexDirs, "idx"); |
| StringBuffer files = new StringBuffer(); |
| for (File indexFile : indexFiles) { |
| files.append(indexFile.getName() + "\t"); |
| } |
| output.put("index files", files.toString()); |
| } |
| |
| String jsonResponse = JsonUtil.toJson(output); |
| LOG.debug("output body:" + jsonResponse); |
| response.setBody(jsonResponse); |
| response.setCode(HttpServer.StatusCode.OK); |
| return response; |
| } else { |
| response.setCode(HttpServer.StatusCode.NOT_FOUND); |
| response.setBody("Not found method. Should be GET method"); |
| return response; |
| } |
| } |
| } |