opendaylight/netconf/netconf-ssh/src/main/java/org/opendaylight/controller/netconf/ssh/threads/IOThread.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.netconf.ssh.threads;
   9
  10 import ch.ethz.ssh2.ServerConnection;
  11 import ch.ethz.ssh2.ServerSession;
  12 import java.io.InputStream;
  13 import java.io.OutputStream;
  14 import javax.annotation.concurrent.ThreadSafe;
  15 import org.apache.commons.io.IOUtils;
  16 import org.slf4j.Logger;
  17 import org.slf4j.LoggerFactory;
  18
  19 @ThreadSafe
  20 public class IOThread extends Thread {
  21
  22     private static final Logger logger =  LoggerFactory.getLogger(IOThread.class);
  23
  24     private InputStream inputStream;
  25     private OutputStream outputStream;
  26     private String id;
  27     private ServerSession servSession;
  28     private ServerConnection servconnection;
  29     private String customHeader;
  30
  31
  32     public IOThread (InputStream is, OutputStream os, String id,ServerSession ss, ServerConnection conn){
  33         this.inputStream = is;
  34         this.outputStream = os;
  35         this.servSession = ss;
  36         this.servconnection = conn;
  37         super.setName(id);
  38         logger.trace("IOThread {} created", super.getName());
  39     }
  40     public IOThread (InputStream is, OutputStream os, String id,ServerSession ss, ServerConnection conn,String header){
  41         this.inputStream = is;
  42         this.outputStream = os;
  43         this.servSession = ss;
  44         this.servconnection = conn;
  45         this.customHeader = header;
  46         super.setName(id);
  47         logger.trace("IOThread {} created", super.getName());
  48     }
  49
  50     @Override
  51     public void run() {
  52         logger.trace("thread {} started", super.getName());
  53         try {
  54             if (this.customHeader!=null && !this.customHeader.equals("")){
  55                 this.outputStream.write(this.customHeader.getBytes());
  56                 logger.trace("adding  {} header", this.customHeader);
  57             }
  58             IOUtils.copy(this.inputStream, this.outputStream);
  59         } catch (Exception e) {
  60             logger.error("inputstream -> outputstream copy error ",e);
  61         }
  62         logger.trace("closing server session");
  63         servSession.close();
  64         servconnection.close();
  65         logger.trace("thread {} is closing",super.getName());
  66     }
  67 }