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.hypervisor.xenserver.resource.wrapper.xenbase;
  
  import java.io.BufferedReader;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.net.URL;
  import java.net.URLConnection;
  
  
  import com.cloud.agent.api.Answer;
  import com.cloud.agent.api.Command;
  import com.cloud.agent.api.proxy.ConsoleProxyLoadAnswer;
  import com.cloud.resource.CommandWrapper;
  import com.cloud.resource.ServerResource;
  
  public abstract class CitrixConsoleProxyLoadCommandWrapper<T extends Command, A extends Answer, R extends ServerResource> extends CommandWrapper<Command, Answer, ServerResource> {
  
  
      protected Answer executeProxyLoadScan(final Command cmd, final long proxyVmId, final String proxyVmName, final String proxyManagementIp, final int cmdPort) {
          String result = null;
  
          final StringBuffer sb = new StringBuffer();
          sb.append("http://").append(proxyManagementIp).append(":" + cmdPort).append("/cmd/getstatus");
  
          boolean success = true;
          try {
              final URL url = new URL(sb.toString());
              final URLConnection conn = url.openConnection();
  
              // setting TIMEOUTs to avoid possible waiting until death situations
              conn.setConnectTimeout(5000);
              conn.setReadTimeout(5000);
  
              final InputStream is = conn.getInputStream();
              final BufferedReader reader = new BufferedReader(new InputStreamReader(is,"UTF-8"));
              final StringBuilder sb2 = new StringBuilder();
              String line = null;
              try {
                  while ((line = reader.readLine()) != null) {
                      sb2.append(line + "\n");
                  }
                  result = sb2.toString();
              } catch (final IOException e) {
                  success = false;
              } finally {
                  try {
                      is.close();
                  } catch (final IOException e) {
                      logger.warn("Exception when closing , console proxy address : " + proxyManagementIp);
                      success = false;
                  }
              }
          } catch (final IOException e) {
              logger.warn("Unable to open console proxy command port url, console proxy address : " + proxyManagementIp);
              success = false;
          }
  
          return new ConsoleProxyLoadAnswer(cmd, proxyVmId, proxyVmName, success, result);
      }
  }
  