[DEV] 2.4 tools

java/common/cstr/est/SocketsFile.java

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+
+ //\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
+ //                                                                        \\
+ //                 Centre for Speech Technology Research                  \\
+ //                      University of Edinburgh, UK                       \\
+ //                        Copyright (c) 1996,1997                         \\
+ //                         All Rights Reserved.                           \\
+ //   Permission is hereby granted, free of charge, to use and distribute  \\
+ //   this software and its documentation without restriction, including   \\
+ //   without limitation the rights to use, copy, modify, merge, publish,  \\
+ //   distribute, sublicense, and/or sell copies of this work, and to      \\
+ //   permit persons to whom this work is furnished to do so, subject to   \\
+ //   the following conditions:                                            \\
+ //    1. The code must retain the above copyright notice, this list of    \\
+ //       conditions and the following disclaimer.                         \\
+ //    2. Any modifications must be clearly marked as such.                \\
+ //    3. Original authors' names are not deleted.                         \\
+ //    4. The authors' names are not used to endorse or promote products   \\
+ //       derived from this software without specific prior written        \\
+ //       permission.                                                      \\
+ //   THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK        \\
+ //   DISCLAIM ALL WARRANTIES With REGARD TO THIS SOFTWARE, INCLUDING      \\
+ //   ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT   \\
+ //   SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE     \\
+ //   FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES    \\
+ //   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN   \\
+ //   AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,          \\
+ //   ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF       \\
+ //   THIS SOFTWARE.                                                       \\
+ //                                                                        \\
+ //\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
+ //                                                                        \\
+ //                  Author: Richard Caley (rjc@cstr.ed.ac.uk)             \\
+ //  --------------------------------------------------------------------  \\
+ //  Interface to the file in ~/.fringe/ which contains pointers to        \\
+ //  running fringe process                                                \\
+ //                                                                        \\
+ //\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
+
+package cstr.est ;
+
+import java.lang.*;
+import java.util.*;
+import java.awt.*;
+import java.io.*;
+import java.net.*;
+
+public class SocketsFile
+{
+  protected static Random random = new Random();
+  protected String filename;
+
+  public SocketsFile(String fn)
+    {
+      filename=fn;
+    }
+
+  public String setSocket(String type,
+			  String name, 
+			  ServerSocket s)
+		    throws IOException
+    {
+      int port = s.getLocalPort();
+      int cookie = random.nextInt();
+      InetAddress address = s.getInetAddress();
+      Properties props = new Properties();
+
+      try {
+	InputStream is = new FileInputStream(filename);
+
+	props.load(is);
+      } catch (IOException ex) {
+      }
+
+      props.put(name+".type", type);
+      props.put(name+".host", address.getHostName());
+      props.put(name+".address", address.getHostAddress());
+      props.put(name+".cookie", Integer.toString(cookie));
+      props.put(name+".port", Integer.toString(port));
+
+      OutputStream os = new FileOutputStream(filename);
+
+      props.save(os, "Fringe Sockets");
+      
+      return Integer.toString(cookie);
+    }
+
+  protected static void sendCookie(Socket s, String cookie)
+    {
+      try {
+	Writer w = new OutputStreamWriter(s.getOutputStream());
+
+	w.write("//");
+	w.write(cookie);
+	w.write("\n");
+	w.flush();
+      } catch (IOException ex) {
+      }
+    }
+
+  public Socket getSocket(String myType, String name)
+		    throws IOException
+    {
+      Socket s=null;
+      Properties props = new Properties();
+
+      InputStream is = new FileInputStream(filename);
+
+      props.load(is);
+
+      String type = props.getProperty(name+".type");
+      String hostname = props.getProperty(name+".host");
+      String address = props.getProperty(name+".address");
+      String portStr =   props.getProperty(name+".port");
+      String cookieStr =   props.getProperty(name+".cookie");
+
+      if (!myType.equals(type))
+	  return null;
+
+      if (address != null && portStr != null)
+	{
+	  int port = Integer.parseInt(portStr);
+
+	  s = new Socket(address, port);
+	}
+
+      if (s != null && cookieStr !=null && !cookieStr.equals("none"))
+	sendCookie(s, cookieStr);
+
+      return s;
+    }
+}