openflow-protocol-impl/src/test/java/org/opendaylight/openflowjava/protocol/impl/clients/SimpleClient.java

   1 /* Copyright (C)2013 Pantheon Technologies, s.r.o. All rights reserved. */
   2 package org.opendaylight.openflowjava.protocol.impl.clients;
   3
   4 import io.netty.bootstrap.Bootstrap;
   5 import io.netty.buffer.ByteBuf;
   6 import io.netty.channel.Channel;
   7 import io.netty.channel.EventLoopGroup;
   8 import io.netty.channel.nio.NioEventLoopGroup;
   9 import io.netty.channel.socket.nio.NioSocketChannel;
  10 import io.netty.util.concurrent.Future;
  11
  12 import java.io.BufferedReader;
  13 import java.io.FileInputStream;
  14 import java.io.FileNotFoundException;
  15 import java.io.IOException;
  16 import java.io.InputStream;
  17 import java.io.InputStreamReader;
  18 import java.net.InetAddress;
  19 import java.nio.charset.Charset;
  20
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 import com.google.common.util.concurrent.SettableFuture;
  25
  26 /**
  27  * Simple client for testing purposes
  28  *
  29  * @author michal.polkorab
  30  */
  31 public class SimpleClient extends Thread {
  32
  33     private static final Logger LOGGER = LoggerFactory.getLogger(SimpleClient.class);
  34     private final String host;
  35     private final int port;
  36     private boolean securedClient = false;
  37     private InputStream fis;
  38     private EventLoopGroup group;
  39     private SettableFuture<Boolean> isOnlineFuture;
  40
  41     /**
  42      * Constructor of class
  43      *
  44      * @param host address of host
  45      * @param port host listening port
  46      * @param filename name of input file containing binary data to be send
  47      */
  48     public SimpleClient(String host, int port, String filename) {
  49         this.host = host;
  50         this.port = port;
  51         if (filename != null) {
  52             try {
  53                 fis = new FileInputStream(filename);
  54             } catch (FileNotFoundException ex) {
  55                 LOGGER.error(ex.getMessage(), ex);
  56             }
  57         }
  58         init();
  59     }
  60
  61     /**
  62      * @param host
  63      * @param port
  64      * @param filename
  65      */
  66     public SimpleClient(String host, int port, InputStream filename) {
  67         this.host = host;
  68         this.port = port;
  69         this.fis = filename;
  70         init();
  71     }
  72
  73     private void init() {
  74         isOnlineFuture = SettableFuture.create();
  75     }
  76
  77     /**
  78      * Starting class of {@link SimpleClient}
  79      */
  80     @Override
  81     public void run() {
  82         group = new NioEventLoopGroup();
  83         try {
  84             Bootstrap b = new Bootstrap();
  85             if (securedClient) {
  86                 b.group(group)
  87                         .channel(NioSocketChannel.class)
  88                         .handler(new SimpleClientInitializer(isOnlineFuture));
  89             } else {
  90                 b.group(group)
  91                         .channel(NioSocketChannel.class)
  92                         .handler(new SimpleClientHandler(isOnlineFuture));
  93             }
  94
  95             Channel ch = b.connect(host, port).sync().channel();
  96
  97             byte[] bytearray = new byte[64];
  98             ByteBuf buffy = ch.alloc().buffer(128);
  99
 100             LOGGER.debug("Before fis != null " + fis);
 101             if (fis != null) {
 102                 try {
 103                     LOGGER.debug("Size to read (in bytes) : " + fis.available());
 104                     int lenght;
 105                     while ((lenght = fis.read(bytearray)) != -1) {
 106                         buffy.writeBytes(bytearray, 0, lenght);
 107                     }
 108                     ch.writeAndFlush(buffy);
 109                     fis.close();
 110                 } catch (IOException e) {
 111                     LOGGER.error(e.getMessage(), e);
 112                 }
 113             }
 114
 115             BufferedReader in = new BufferedReader(new InputStreamReader(System.in, Charset.defaultCharset()));
 116             for (;;) {
 117                 String line = in.readLine();
 118                 if (line == null) {
 119                     break;
 120                 }
 121                 buffy = ch.alloc().buffer(128);
 122                 buffy.writeBytes(line.getBytes(Charset.defaultCharset()));
 123                 ch.writeAndFlush(buffy);
 124
 125                 if ("bye".equals(line.toLowerCase())) {
 126                     LOGGER.info("Bye");
 127                     in.close();
 128                     break;
 129                 }
 130             }
 131         } catch (Exception ex) {
 132             LOGGER.error(ex.getMessage(), ex);
 133         } finally {
 134             group.shutdownGracefully();
 135         }
 136     }
 137
 138     /**
 139      * @return close future
 140      */
 141     public Future<?> disconnect() {
 142         return group.shutdownGracefully();
 143     }
 144
 145     /**
 146      * @param securedClient
 147      */
 148     public void setSecuredClient(boolean securedClient) {
 149         this.securedClient = securedClient;
 150     }
 151
 152     /**
 153      * Sets up {@link SimpleClient} and fires run()
 154      *
 155      * @param args
 156      * @throws Exception
 157      */
 158     public static void main(String[] args) throws Exception {
 159         // TODO - add using secure switch via parameter
 160         String host;
 161         int port;
 162         SimpleClient sc;
 163         if (args.length != 3) {
 164             LOGGER.error("Usage: " + SimpleClient.class.getSimpleName()
 165                     + " <host> <port> <secured> <filename>");
 166             LOGGER.error("Trying to use default setting.");
 167             InetAddress ia = InetAddress.getLocalHost();
 168             InetAddress[] all = InetAddress.getAllByName(ia.getHostName());
 169             host = all[0].getHostAddress();
 170             port = 6633;
 171             InputStream filenamearg = SimpleClient.class.getResourceAsStream("/org/openflow/core/OFBinaryMessageInput.txt");
 172             sc = new SimpleClient(host, port, filenamearg);
 173             sc.setSecuredClient(true);
 174         } else {
 175             host = args[0];
 176             port = Integer.parseInt(args[1]);
 177             String filenamearg = args[3];
 178             sc = new SimpleClient(host, port, filenamearg);
 179             sc.setSecuredClient(Boolean.parseBoolean(args[2]));
 180         }
 181         sc.start();
 182
 183     }
 184
 185     /**
 186      * @return the isOnlineFuture
 187      */
 188     public SettableFuture<Boolean> getIsOnlineFuture() {
 189         return isOnlineFuture;
 190     }
 191 }