17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*9a70fc3bSMark J. Nelson * Common Development and Distribution License (the "License"). 6*9a70fc3bSMark J. Nelson * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 227c478bd9Sstevel@tonic-gate * Copyright (c) 2001 by Sun Microsystems, Inc. 237c478bd9Sstevel@tonic-gate * All rights reserved. 247c478bd9Sstevel@tonic-gate * 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate // StreamListener.java: Listen to stream socket, spawn request to 287c478bd9Sstevel@tonic-gate // handle incoming request. 297c478bd9Sstevel@tonic-gate // Author: James Kempf 307c478bd9Sstevel@tonic-gate // Created On: Mon May 18 13:31:40 1998 317c478bd9Sstevel@tonic-gate // Last Modified By: James Kempf 327c478bd9Sstevel@tonic-gate // Last Modified On: Tue Jan 12 11:03:30 1999 337c478bd9Sstevel@tonic-gate // Update Count: 24 347c478bd9Sstevel@tonic-gate // 357c478bd9Sstevel@tonic-gate 367c478bd9Sstevel@tonic-gate package com.sun.slp; 377c478bd9Sstevel@tonic-gate 387c478bd9Sstevel@tonic-gate import java.util.*; 397c478bd9Sstevel@tonic-gate import java.net.*; 407c478bd9Sstevel@tonic-gate import java.io.*; 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate /** 437c478bd9Sstevel@tonic-gate * Listen on the SLP port for clients requesting a stream connection. Spawn 447c478bd9Sstevel@tonic-gate * a request handler to handle the connection. 457c478bd9Sstevel@tonic-gate * 467c478bd9Sstevel@tonic-gate * @author James Kempf, Erik Guttman 477c478bd9Sstevel@tonic-gate */ 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate class StreamListener extends Thread { 507c478bd9Sstevel@tonic-gate 517c478bd9Sstevel@tonic-gate private ServerSocket serverSocket = null; // The listening socket 527c478bd9Sstevel@tonic-gate private InetAddress interfac = null; // The interface. 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate static private SLPConfig config = null; // Config object 557c478bd9Sstevel@tonic-gate static private Hashtable listeners = new Hashtable(); // Stream listeners 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate // Initialize a stream (TCP) listener on an interface. 587c478bd9Sstevel@tonic-gate initializeStreamListenerOnInterface(InetAddress interfac)597c478bd9Sstevel@tonic-gate static void initializeStreamListenerOnInterface(InetAddress interfac) 607c478bd9Sstevel@tonic-gate throws ServiceLocationException { 617c478bd9Sstevel@tonic-gate 627c478bd9Sstevel@tonic-gate // If we've got it, return. 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate if (listeners.get(interfac) != null) { 657c478bd9Sstevel@tonic-gate return; 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate } 687c478bd9Sstevel@tonic-gate 697c478bd9Sstevel@tonic-gate // Get config object. 707c478bd9Sstevel@tonic-gate 717c478bd9Sstevel@tonic-gate if (config == null) { 727c478bd9Sstevel@tonic-gate config = SLPConfig.getSLPConfig(); 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate } 757c478bd9Sstevel@tonic-gate 767c478bd9Sstevel@tonic-gate // Create the new stream listener. 777c478bd9Sstevel@tonic-gate 787c478bd9Sstevel@tonic-gate StreamListener listener = new StreamListener(interfac); 797c478bd9Sstevel@tonic-gate 807c478bd9Sstevel@tonic-gate // Start it running. 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate listener.start(); 837c478bd9Sstevel@tonic-gate 847c478bd9Sstevel@tonic-gate } 857c478bd9Sstevel@tonic-gate StreamListener(InetAddress interfac)867c478bd9Sstevel@tonic-gate private StreamListener(InetAddress interfac) 877c478bd9Sstevel@tonic-gate throws ServiceLocationException { 887c478bd9Sstevel@tonic-gate 897c478bd9Sstevel@tonic-gate int qn = config.getServerSocketQueueLength(); 907c478bd9Sstevel@tonic-gate 917c478bd9Sstevel@tonic-gate // Create a server socket for incoming Stream connections. 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate try { 947c478bd9Sstevel@tonic-gate serverSocket = new ServerSocket(Defaults.iSLPPort, 957c478bd9Sstevel@tonic-gate qn, 967c478bd9Sstevel@tonic-gate interfac); 977c478bd9Sstevel@tonic-gate 987c478bd9Sstevel@tonic-gate } catch (IOException ex) { 997c478bd9Sstevel@tonic-gate throw new ServiceLocationException( 1007c478bd9Sstevel@tonic-gate ServiceLocationException.NETWORK_INIT_FAILED, 1017c478bd9Sstevel@tonic-gate "socket_creation_failure", 1027c478bd9Sstevel@tonic-gate new Object[] {interfac, ex.getMessage()}); 1037c478bd9Sstevel@tonic-gate } 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate // Record. 1067c478bd9Sstevel@tonic-gate 1077c478bd9Sstevel@tonic-gate listeners.put(interfac, this); 1087c478bd9Sstevel@tonic-gate 1097c478bd9Sstevel@tonic-gate this.interfac = interfac; 1107c478bd9Sstevel@tonic-gate 1117c478bd9Sstevel@tonic-gate } 1127c478bd9Sstevel@tonic-gate 1137c478bd9Sstevel@tonic-gate // Listen to port 427, accept incoming connections, pass the socket 1147c478bd9Sstevel@tonic-gate // off to a new RequestHandler to process. 1157c478bd9Sstevel@tonic-gate run()1167c478bd9Sstevel@tonic-gate public void run() { 1177c478bd9Sstevel@tonic-gate 1187c478bd9Sstevel@tonic-gate setName("SLP Stream Listener"); 1197c478bd9Sstevel@tonic-gate 1207c478bd9Sstevel@tonic-gate long lLastIOE = 0; 1217c478bd9Sstevel@tonic-gate 1227c478bd9Sstevel@tonic-gate // Loop, blocking on acceptence of connections. 1237c478bd9Sstevel@tonic-gate 1247c478bd9Sstevel@tonic-gate while (true) { 1257c478bd9Sstevel@tonic-gate 1267c478bd9Sstevel@tonic-gate Socket s = null; 1277c478bd9Sstevel@tonic-gate 1287c478bd9Sstevel@tonic-gate try { 1297c478bd9Sstevel@tonic-gate s = serverSocket.accept(); // will block here 1307c478bd9Sstevel@tonic-gate 1317c478bd9Sstevel@tonic-gate if (config.traceMsg() && s != null) { 1327c478bd9Sstevel@tonic-gate config.writeLog("sl_incoming", 1337c478bd9Sstevel@tonic-gate new Object[] { 1347c478bd9Sstevel@tonic-gate s.getInetAddress().toString(), 1357c478bd9Sstevel@tonic-gate interfac}); 1367c478bd9Sstevel@tonic-gate } 1377c478bd9Sstevel@tonic-gate 1387c478bd9Sstevel@tonic-gate // Set socket timeout in case something goes wrong. 1397c478bd9Sstevel@tonic-gate 1407c478bd9Sstevel@tonic-gate if (s != null) { 1417c478bd9Sstevel@tonic-gate s.setSoTimeout(config.getTCPTimeout()); 1427c478bd9Sstevel@tonic-gate 1437c478bd9Sstevel@tonic-gate } 1447c478bd9Sstevel@tonic-gate 1457c478bd9Sstevel@tonic-gate } catch (SocketException ex) { 1467c478bd9Sstevel@tonic-gate if (config.traceMsg()) { 1477c478bd9Sstevel@tonic-gate config.writeLog("sl_sock_timeout", 1487c478bd9Sstevel@tonic-gate new Object[] { 1497c478bd9Sstevel@tonic-gate s.getInetAddress().toString(), 1507c478bd9Sstevel@tonic-gate interfac, 1517c478bd9Sstevel@tonic-gate ex.getMessage()}); 1527c478bd9Sstevel@tonic-gate 1537c478bd9Sstevel@tonic-gate } 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate continue; 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate } catch (IOException ex) { 1587c478bd9Sstevel@tonic-gate long lThisIOE = System.currentTimeMillis(); 1597c478bd9Sstevel@tonic-gate 1607c478bd9Sstevel@tonic-gate Assert.slpassert((lThisIOE - lLastIOE >= 250), 1617c478bd9Sstevel@tonic-gate "sls_repeat_failure", 1627c478bd9Sstevel@tonic-gate new Object[0]); 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate lLastIOE = lThisIOE; 1657c478bd9Sstevel@tonic-gate continue; 1667c478bd9Sstevel@tonic-gate } 1677c478bd9Sstevel@tonic-gate 1687c478bd9Sstevel@tonic-gate RequestHandler rh = new RequestHandler(s, interfac, config); 1697c478bd9Sstevel@tonic-gate rh.start(); 1707c478bd9Sstevel@tonic-gate 1717c478bd9Sstevel@tonic-gate } 1727c478bd9Sstevel@tonic-gate } 1737c478bd9Sstevel@tonic-gate } 174