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From s...@apache.org
Subject svn commit: r1782415 - /commons/proper/net/trunk/src/test/java/org/apache/commons/net/tftp/TFTPServerMain.java
Date Thu, 09 Feb 2017 23:19:20 GMT
Author: sebb
Date: Thu Feb  9 23:19:19 2017
New Revision: 1782415

URL: http://svn.apache.org/viewvc?rev=1782415&view=rev
Log:
CLI app for running TFTPServer

Added:
    commons/proper/net/trunk/src/test/java/org/apache/commons/net/tftp/TFTPServerMain.java
  (with props)

Added: commons/proper/net/trunk/src/test/java/org/apache/commons/net/tftp/TFTPServerMain.java
URL: http://svn.apache.org/viewvc/commons/proper/net/trunk/src/test/java/org/apache/commons/net/tftp/TFTPServerMain.java?rev=1782415&view=auto
==============================================================================
--- commons/proper/net/trunk/src/test/java/org/apache/commons/net/tftp/TFTPServerMain.java
(added)
+++ commons/proper/net/trunk/src/test/java/org/apache/commons/net/tftp/TFTPServerMain.java
Thu Feb  9 23:19:19 2017
@@ -0,0 +1,150 @@
+/*
+ * 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 org.apache.commons.net.tftp;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Random;
+
+/**
+ * Main class for TFTPServer.
+ * This allows CLI use of the server. 
+ */
+public class TFTPServerMain {
+
+    private static final String USAGE =
+            "Usage: TFTPServerMain [options] [port]\n\n" +
+            "port   - the port to use (default 6901)\n" +
+            "\t-p path to server directory (default java.io.tempdir)\n" +
+            "\t-r randomly introduce errors\n" +
+            "\t-v verbose (trace packets)\n"
+            ;
+
+    public static void main(String [] args) throws Exception {
+        int port = 6901;
+        int argc;
+        Map<String,String> opts = new HashMap<String,String>();
+        opts.put("-p", System.getProperty("java.io.tmpdir"));
+        // Parse options
+        for (argc = 0; argc < args.length; argc++)
+        {
+            String arg = args[argc];
+            if (arg.startsWith("-"))
+            {
+                if (arg.equals("-v")) {
+                    opts.put(arg, arg);
+                } else if (arg.equals("-r")) {
+                    opts.put(arg, arg);
+                } else if (arg.equals("-p")) {
+                    opts.put(arg, args[++argc]);
+                } else {
+                    System.err.println("Error: unrecognized option.");
+                    System.err.print(USAGE);
+                    System.exit(1);
+                }
+            } else {
+                break;
+            }
+        }
+
+        if (argc < args.length) {
+            port = Integer.parseInt(args[argc]);
+            argc++;
+        }
+        final boolean verbose = opts.containsKey("-v");
+        final boolean randomErrors = opts.containsKey("-r");
+        final Random rand = randomErrors ? new Random() : null;        
+
+        final File serverDirectory = new File(opts.get("-p"));
+        System.out.println("Server directory: " + serverDirectory);
+        final TFTPServer tftpS = new TFTPServer(serverDirectory, serverDirectory, port,
+                TFTPServer.ServerMode.GET_AND_PUT, null, null){
+            @Override
+            void sendData(TFTP tftp, TFTPPacket packet) throws IOException {
+                if (rand == null) {
+                    super.sendData(tftp, packet);
+                    return;
+                }
+                int rint = rand.nextInt(10);
+                switch(rint) {
+                    case 0:
+                        System.out.println("Bump port " + packet);
+                        int port = packet.getPort();
+                        packet.setPort(port+5);
+                        super.sendData(tftp, packet);
+                        packet.setPort(port);
+                        break;
+                    case 1:
+                        if (packet instanceof TFTPDataPacket) {
+                            TFTPDataPacket data = (TFTPDataPacket) packet;
+                            System.out.println("Change data block num");
+                            data._blockNumber--;
+                            super.sendData(tftp, packet);
+                            data._blockNumber++;
+                        }
+                        if (packet instanceof TFTPAckPacket) {
+                            TFTPAckPacket ack = (TFTPAckPacket) packet;
+                            System.out.println("Change ack block num");
+                            ack._blockNumber--;
+                            super.sendData(tftp, packet);
+                            ack._blockNumber++;
+                        }
+                        break;
+                    case 2:
+                        System.out.println("Drop packet: " + packet);
+                        break;
+                    case 3:
+                        System.out.println("Dupe packet: " + packet);
+                        super.sendData(tftp, packet);
+                        super.sendData(tftp, packet);
+                        break;
+                    default:
+                        super.sendData(tftp, packet);
+                        break;
+                }
+            }
+
+            TFTP newTFTP(){
+                if (verbose) {
+                    return new TFTP() {
+                      @Override
+                      protected void trace(String direction, TFTPPacket packet) {
+                          System.out.println(direction + " " + packet.toString());
+                      }
+                    };
+                } else {
+                    return new TFTP(); 
+                }
+            }
+        };
+
+        Runtime.getRuntime().addShutdownHook(new Thread() {
+            public void run() {
+                System.out.println("Server shutting down");
+                tftpS.shutdown();
+                System.out.println("Server exit");
+                }
+            }
+        );
+        System.out.println("Started the server on " + port);
+        Thread.sleep(99999999L);
+    }
+
+}

Propchange: commons/proper/net/trunk/src/test/java/org/apache/commons/net/tftp/TFTPServerMain.java
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    svn:eol-style = native



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