| // 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 com.cloud.hypervisor.vmware.mo; |
| |
| import java.io.BufferedReader; |
| import java.io.BufferedWriter; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.io.OutputStreamWriter; |
| import java.util.Properties; |
| |
| import org.apache.log4j.Logger; |
| |
| public class VmdkFileDescriptor { |
| private static final Logger s_logger = Logger.getLogger(VmdkFileDescriptor.class); |
| private static final String VMDK_PROPERTY_CREATE_TYPE = "createType"; |
| private static final String VMDK_CREATE_TYPE_VMFSSPARSE = "vmfsSparse"; |
| private static final String VMDK_CREATE_TYPE_SESPARSE = "SEsparse"; |
| private static final String VMDK_PROPERTY_ADAPTER_TYPE = "ddb.adapterType"; |
| private static final String VMDK_PROPERTY_CHANGE_TRACK_PATH = "changeTrackPath"; |
| private static final String VMDK_PROPERTY_CHANGE_TRACK_PATH_COMMENT = "# Change Tracking File"; |
| |
| private Properties _properties = new Properties(); |
| private String _baseFileName; |
| |
| public VmdkFileDescriptor() { |
| } |
| |
| public void parse(byte[] vmdkFileContent) throws IOException { |
| BufferedReader in = null; |
| try { |
| in = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(vmdkFileContent),"UTF-8")); |
| String line; |
| while ((line = in.readLine()) != null) { |
| // ignore empty and comment lines |
| line = line.trim(); |
| if (line.isEmpty()) |
| continue; |
| if (line.charAt(0) == '#') |
| continue; |
| |
| String[] tokens = line.split("="); |
| if (tokens.length == 2) { |
| String name = tokens[0].trim(); |
| String value = tokens[1].trim(); |
| if (value.charAt(0) == '\"') |
| value = value.substring(1, value.length() - 1); |
| |
| _properties.put(name, value); |
| } else { |
| if (line.startsWith("RW")) { |
| int startPos = line.indexOf('\"'); |
| int endPos = line.lastIndexOf('\"'); |
| assert (startPos > 0); |
| assert (endPos > 0); |
| |
| _baseFileName = line.substring(startPos + 1, endPos); |
| } else { |
| s_logger.warn("Unrecognized vmdk line content: " + line); |
| } |
| } |
| } |
| } finally { |
| if (in != null) |
| in.close(); |
| } |
| } |
| |
| public String getBaseFileName() { |
| return _baseFileName; |
| } |
| |
| public String getParentFileName() { |
| return _properties.getProperty("parentFileNameHint"); |
| } |
| |
| public boolean isVmfsSparseFile() { |
| String vmdkCreateType = _properties.getProperty(VMDK_PROPERTY_CREATE_TYPE); |
| if (vmdkCreateType.equalsIgnoreCase(VMDK_CREATE_TYPE_VMFSSPARSE) || vmdkCreateType.equalsIgnoreCase(VMDK_CREATE_TYPE_SESPARSE)) { |
| return true; |
| } |
| return false; |
| } |
| |
| public String getAdapterType() { |
| return _properties.getProperty(VMDK_PROPERTY_ADAPTER_TYPE); |
| } |
| |
| |
| public static byte[] changeVmdkAdapterType(byte[] vmdkContent, String newAdapterType) throws IOException { |
| assert (vmdkContent != null); |
| |
| BufferedReader in = null; |
| BufferedWriter out = null; |
| ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| |
| try { |
| in = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(vmdkContent))); |
| out = new BufferedWriter(new OutputStreamWriter(bos)); |
| String line; |
| while ((line = in.readLine()) != null) { |
| // ignore empty and comment lines |
| line = line.trim(); |
| if (line.isEmpty()) { |
| out.newLine(); |
| continue; |
| } |
| if (line.charAt(0) == '#') { |
| out.write(line); |
| out.newLine(); |
| continue; |
| } |
| |
| String[] tokens = line.split("="); |
| if (tokens.length == 2) { |
| String name = tokens[0].trim(); |
| String value = tokens[1].trim(); |
| if (value.charAt(0) == '\"') |
| value = value.substring(1, value.length() - 1); |
| |
| if (newAdapterType != null && name.equals(VMDK_PROPERTY_ADAPTER_TYPE)) { |
| out.write(name + "=\"" + newAdapterType + "\""); |
| out.newLine(); |
| } else { |
| out.write(line); |
| out.newLine(); |
| } |
| } else { |
| out.write(line); |
| out.newLine(); |
| } |
| } |
| } finally { |
| if (in != null) |
| in.close(); |
| if (out != null) |
| out.close(); |
| } |
| |
| return bos.toByteArray(); |
| |
| } |
| |
| public static byte[] changeVmdkContentBaseInfo(byte[] vmdkContent, String baseFileName, String parentFileName) throws IOException { |
| |
| assert (vmdkContent != null); |
| |
| BufferedReader in = null; |
| BufferedWriter out = null; |
| ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| |
| try { |
| in = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(vmdkContent),"UTF-8")); |
| out = new BufferedWriter(new OutputStreamWriter(bos,"UTF-8")); |
| String line; |
| while ((line = in.readLine()) != null) { |
| // ignore empty and comment lines |
| line = line.trim(); |
| if (line.isEmpty()) { |
| out.newLine(); |
| continue; |
| } |
| if (line.charAt(0) == '#') { |
| out.write(line); |
| out.newLine(); |
| continue; |
| } |
| |
| String[] tokens = line.split("="); |
| if (tokens.length == 2) { |
| String name = tokens[0].trim(); |
| String value = tokens[1].trim(); |
| if (value.charAt(0) == '\"') |
| value = value.substring(1, value.length() - 1); |
| |
| if (parentFileName != null && name.equals("parentFileNameHint")) { |
| out.write(name + "=\"" + parentFileName + "\""); |
| out.newLine(); |
| } else { |
| out.write(line); |
| out.newLine(); |
| } |
| } else { |
| if (line.startsWith("RW")) { |
| if (baseFileName != null) { |
| int startPos = line.indexOf('\"'); |
| int endPos = line.lastIndexOf('\"'); |
| assert (startPos > 0); |
| assert (endPos > 0); |
| |
| // replace it with base file name |
| out.write(line.substring(0, startPos + 1)); |
| out.write(baseFileName); |
| out.write(line.substring(endPos)); |
| out.newLine(); |
| } else { |
| out.write(line); |
| out.newLine(); |
| } |
| } else { |
| s_logger.warn("Unrecognized vmdk line content: " + line); |
| } |
| } |
| } |
| } finally { |
| if (in != null) |
| in.close(); |
| if (out != null) |
| out.close(); |
| } |
| |
| return bos.toByteArray(); |
| } |
| |
| public static byte[] removeChangeTrackPath(byte[] vmdkContent) throws IOException { |
| assert (vmdkContent != null); |
| |
| BufferedReader in = null; |
| BufferedWriter out = null; |
| ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| |
| try { |
| in = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(vmdkContent))); |
| out = new BufferedWriter(new OutputStreamWriter(bos)); |
| String line; |
| while ((line = in.readLine()) != null) { |
| // ignore empty and comment lines |
| line = line.trim(); |
| if (line.isEmpty()) { |
| out.newLine(); |
| continue; |
| } |
| if (line.equals(VMDK_PROPERTY_CHANGE_TRACK_PATH_COMMENT)) { |
| s_logger.debug("Removed line from vmdk: " + line); |
| continue; |
| } |
| if (line.charAt(0) == '#') { |
| out.write(line); |
| out.newLine(); |
| continue; |
| } |
| |
| String[] tokens = line.split("="); |
| if (tokens.length == 2) { |
| String name = tokens[0].trim(); |
| String value = tokens[1].trim(); |
| if (value.charAt(0) == '\"') |
| value = value.substring(1, value.length() - 1); |
| |
| if (name.equals(VMDK_PROPERTY_CHANGE_TRACK_PATH)) { |
| s_logger.debug("Removed line from vmdk: " + line); |
| } else { |
| out.write(line); |
| out.newLine(); |
| } |
| } else { |
| out.write(line); |
| out.newLine(); |
| } |
| } |
| } finally { |
| if (in != null) |
| in.close(); |
| if (out != null) |
| out.close(); |
| } |
| |
| return bos.toByteArray(); |
| |
| } |
| } |