content: // 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.storage.resource;
  
  import org.apache.logging.log4j.Logger;
  import org.apache.logging.log4j.LogManager;
  
  import com.cloud.hypervisor.vmware.util.VmwareClient;
  import com.cloud.hypervisor.vmware.util.VmwareContext;
  import com.cloud.hypervisor.vmware.util.VmwareContextPool;
  
  public class VmwareSecondaryStorageContextFactory {
      protected static Logger LOGGER = LogManager.getLogger(VmwareSecondaryStorageContextFactory.class);
  
      private static volatile int s_seq = 1;
  
      private static VmwareContextPool s_pool;
  
      public static int s_vCenterSessionTimeout = 1200000; // Timeout in milliseconds
  
      public static void initFactoryEnvironment() {
          System.setProperty("axis.socketSecureFactory", "org.apache.axis.components.net.SunFakeTrustSocketFactory");
          s_pool = new VmwareContextPool();
      }
  
      public static VmwareContext create(String vCenterAddress, String vCenterUserName, String vCenterPassword) throws Exception {
          assert (vCenterAddress != null);
          assert (vCenterUserName != null);
          assert (vCenterPassword != null);
  
          String serviceUrl = "https://" + vCenterAddress + "/sdk/vimService";
          VmwareClient vimClient = new VmwareClient(vCenterAddress + "-" + s_seq++);
          vimClient.setVcenterSessionTimeout(s_vCenterSessionTimeout);
          vimClient.connect(serviceUrl, vCenterUserName, vCenterPassword);
          VmwareContext context = new VmwareContext(vimClient, vCenterAddress);
          assert (context != null);
  
          context.setPoolInfo(s_pool, VmwareContextPool.composePoolKey(vCenterAddress, vCenterUserName));
  
          return context;
      }
  
      public static VmwareContext getContext(String vCenterAddress, String vCenterUserName, String vCenterPassword) throws Exception {
          VmwareContext context = s_pool.getContext(vCenterAddress, vCenterUserName);
          if (context == null) {
              context = create(vCenterAddress, vCenterUserName, vCenterPassword);
          } else {
              // Validate current context and verify if vCenter session timeout value of the context matches the timeout value set by Admin
              if (!context.validate() || (context.getVimClient().getVcenterSessionTimeout() != s_vCenterSessionTimeout)) {
                  LOGGER.info("Validation of the context faild. dispose and create a new one");
                  context.close();
                  context = create(vCenterAddress, vCenterUserName, vCenterPassword);
              }
          }
  
          if (context != null) {
              context.registerStockObject("username", vCenterUserName);
              context.registerStockObject("password", vCenterPassword);
          }
  
          return context;
      }
  
      public static void invalidate(VmwareContext context) {
          context.close();
      }
  
      public static void setVcenterSessionTimeout(int timeout) {
          s_vCenterSessionTimeout = timeout;
      }
  
  }
  