+/*
+ * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+
+ Change History (most recent first):
+
+$Log: BrowserApp.java,v $
+Revision 1.3 2004/05/26 01:41:58 cheshire
+Pass proper flags to DNSSD.enumerateDomains
+
+Revision 1.2 2004/04/30 21:53:34 rpantos
+Change line endings for CVS.
+
+Revision 1.1 2004/04/30 16:29:35 rpantos
+First checked in.
+
+ BrowserApp demonstrates how to use DNSSD to browse for and resolve services.
+
+ To do:
+ - display resolved TXTRecord
+ */
+
+
+import java.awt.*;
+import java.awt.event.*;
+import java.util.*;
+import java.text.*;
+import javax.swing.*;
+import javax.swing.event.*;
+
+import com.apple.dnssd.*;
+
+
+class BrowserApp implements ListSelectionListener, ResolveListener
+{
+ static BrowserApp app;
+ JFrame frame;
+ DomainListModel domainList;
+ BrowserListModel servicesList, serviceList;
+ JList domainPane, servicesPane, servicePane;
+ DNSSDService servicesBrowser, serviceBrowser, domainBrowser;
+ JLabel hostLabel, portLabel;
+
+ public BrowserApp()
+ {
+ frame = new JFrame("DNS-SD Service Browser");
+ frame.addWindowListener(new WindowAdapter() {
+ public void windowClosing(WindowEvent e) {System.exit(0);}
+ });
+
+ domainList = new DomainListModel();
+ servicesList = new ServicesBrowserListModel();
+ serviceList = new BrowserListModel();
+
+ try {
+ domainBrowser = DNSSD.enumerateDomains( DNSSD.BROWSE_DOMAINS, 0, domainList);
+
+ servicesBrowser = DNSSD.browse( 0, 0, "_services._mdns._udp.", "", servicesList);
+ serviceBrowser = null;
+ }
+ catch ( Exception ex) { terminateWithException( ex); }
+
+ this.setupSubPanes( frame.getContentPane());
+ frame.pack();
+ frame.setVisible(true);
+ }
+
+ protected void setupSubPanes( Container parent)
+ {
+ parent.setLayout( new BoxLayout( parent, BoxLayout.Y_AXIS));
+
+ JPanel browserRow = new JPanel();
+ browserRow.setLayout( new BoxLayout( browserRow, BoxLayout.X_AXIS));
+ domainPane = new JList( domainList);
+ domainPane.addListSelectionListener( this);
+ JScrollPane domainScroller = new JScrollPane( domainPane, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
+ browserRow.add( domainScroller);
+ servicesPane = new JList( servicesList);
+ servicesPane.addListSelectionListener( this);
+ JScrollPane servicesScroller = new JScrollPane( servicesPane, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
+ browserRow.add( servicesScroller);
+ servicePane = new JList( serviceList);
+ servicePane.addListSelectionListener( this);
+ JScrollPane serviceScroller = new JScrollPane( servicePane, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
+ browserRow.add( serviceScroller);
+
+/*
+ JPanel buttonRow = new JPanel();
+ buttonRow.setLayout( new BoxLayout( buttonRow, BoxLayout.X_AXIS));
+ buttonRow.add( Box.createHorizontalGlue());
+ JButton connectButton = new JButton( "Don't Connect");
+ buttonRow.add( connectButton);
+ buttonRow.add( Box.createRigidArea( new Dimension( 16, 0)));
+*/
+
+ JPanel labelRow = new JPanel();
+ labelRow.setLayout( new BoxLayout( labelRow, BoxLayout.X_AXIS));
+ labelRow.add( new JLabel( " Host: "));
+ hostLabel = new JLabel();
+ labelRow.add( hostLabel);
+ labelRow.add( Box.createRigidArea( new Dimension( 32, 0)));
+ labelRow.add( new JLabel( "Port: "));
+ portLabel = new JLabel();
+ labelRow.add( portLabel);
+ labelRow.add( Box.createHorizontalGlue());
+
+ parent.add( browserRow);
+ parent.add( Box.createRigidArea( new Dimension( 0, 8)));
+ parent.add( labelRow);
+// parent.add( buttonRow);
+ parent.add( Box.createRigidArea( new Dimension( 0, 16)));
+ }
+
+ public void valueChanged( ListSelectionEvent e)
+ {
+ try {
+ if ( e.getSource() == domainPane && !e.getValueIsAdjusting())
+ {
+ int newSel = domainPane.getSelectedIndex();
+ if ( -1 != newSel)
+ {
+ if ( serviceBrowser != null)
+ serviceBrowser.stop();
+ serviceList.removeAllElements();
+ servicesBrowser = DNSSD.browse( 0, 0, "_services._mdns._udp.", "", servicesList);
+ }
+ }
+ else if ( e.getSource() == servicesPane && !e.getValueIsAdjusting())
+ {
+ int newSel = servicesPane.getSelectedIndex();
+ if ( serviceBrowser != null)
+ serviceBrowser.stop();
+ serviceList.removeAllElements();
+ if ( -1 != newSel)
+ serviceBrowser = DNSSD.browse( 0, 0, servicesList.getNthRegType( newSel), "", serviceList);
+ }
+ else if ( e.getSource() == servicePane && !e.getValueIsAdjusting())
+ {
+ int newSel = servicePane.getSelectedIndex();
+
+ hostLabel.setText( "");
+ portLabel.setText( "");
+
+ if ( -1 != newSel)
+ {
+ DNSSD.resolve( 0, serviceList.getNthInterface( newSel),
+ serviceList.getNthServiceName( newSel),
+ serviceList.getNthRegType( newSel),
+ serviceList.getNthDomain( newSel),
+ new SwingResolveListener( this));
+ }
+ }
+ }
+ catch ( Exception ex) { terminateWithException( ex); }
+ }
+
+ public void serviceResolved( DNSSDService resolver, int flags, int ifIndex, String fullName,
+ String hostName, int port, TXTRecord txtRecord)
+ {
+ hostLabel.setText( hostName);
+ portLabel.setText( String.valueOf( port));
+ }
+
+ public void operationFailed( DNSSDService service, int errorCode)
+ {
+ // handle failure here
+ }
+
+ protected static void terminateWithException( Exception e)
+ {
+ e.printStackTrace();
+ System.exit( -1);
+ }
+
+ public static void main(String s[])
+ {
+ app = new BrowserApp();
+ }
+}
+
+
+class BrowserListModel extends DefaultListModel implements BrowseListener, Runnable
+{
+ public BrowserListModel()
+ {
+ addCache = new Vector();
+ removeCache = new Vector();
+ }
+
+ /* The Browser invokes this callback when a service is discovered. */
+ public void serviceFound( DNSSDService browser, int flags, int ifIndex,
+ String serviceName, String regType, String domain)
+ {
+ addCache.add( new BrowserListElem( serviceName, domain, regType, ifIndex));
+ if ( ( flags & DNSSD.MORE_COMING) == 0)
+ this.scheduleOnEventThread();
+ }
+
+ public void serviceLost( DNSSDService browser, int flags, int ifIndex,
+ String serviceName, String regType, String domain)
+ {
+ removeCache.add( serviceName);
+ if ( ( flags & DNSSD.MORE_COMING) == 0)
+ this.scheduleOnEventThread();
+ }
+
+ public void run()
+ {
+ while ( removeCache.size() > 0)
+ {
+ String serviceName = (String) removeCache.remove( removeCache.size() - 1);
+ int matchInd = this.findMatching( serviceName); // probably doesn't handle near-duplicates well.
+ if ( matchInd != -1)
+ this.removeElementAt( matchInd);
+ }
+ while ( addCache.size() > 0)
+ {
+ BrowserListElem elem = (BrowserListElem) addCache.remove( addCache.size() - 1);
+ if ( -1 == this.findMatching( elem.fServiceName)) // probably doesn't handle near-duplicates well.
+ this.addInSortOrder( elem);
+ }
+ }
+
+ public void operationFailed( DNSSDService service, int errorCode)
+ {
+ // handle failure here
+ }
+
+ /* The list contains BrowserListElem's */
+ class BrowserListElem
+ {
+ public BrowserListElem( String serviceName, String domain, String type, int ifIndex)
+ { fServiceName = serviceName; fDomain = domain; fType = type; fInt = ifIndex; }
+
+ public String toString() { return fServiceName; }
+
+ public String fServiceName, fDomain, fType;
+ public int fInt;
+ }
+
+ public String getNthServiceName( int n)
+ {
+ BrowserListElem sel = (BrowserListElem) this.get( n);
+ return sel.fServiceName;
+ }
+
+ public String getNthRegType( int n)
+ {
+ BrowserListElem sel = (BrowserListElem) this.get( n);
+ return sel.fType;
+ }
+
+ public String getNthDomain( int n)
+ {
+ BrowserListElem sel = (BrowserListElem) this.get( n);
+ return sel.fDomain;
+ }
+
+ public int getNthInterface( int n)
+ {
+ BrowserListElem sel = (BrowserListElem) this.get( n);
+ return sel.fInt;
+ }
+
+ protected void addInSortOrder( Object obj)
+ {
+ int i;
+ for ( i = 0; i < this.size(); i++)
+ if ( sCollator.compare( obj.toString(), this.getElementAt( i).toString()) < 0)
+ break;
+ this.add( i, obj);
+ }
+
+ protected int findMatching( String match)
+ {
+ for ( int i = 0; i < this.size(); i++)
+ if ( match.equals( this.getElementAt( i).toString()))
+ return i;
+ return -1;
+ }
+
+ protected void scheduleOnEventThread()
+ {
+ try {
+ SwingUtilities.invokeAndWait( this);
+ }
+ catch ( Exception e)
+ {
+ e.printStackTrace();
+ }
+ }
+
+ protected Vector removeCache; // list of serviceNames to remove
+ protected Vector addCache; // list of BrowserListElem's to add
+
+ protected static Collator sCollator;
+
+ static // Initialize our static variables
+ {
+ sCollator = Collator.getInstance();
+ sCollator.setStrength( Collator.PRIMARY);
+ }
+}
+
+
+class ServicesBrowserListModel extends BrowserListModel
+{
+ /* The Browser invokes this callback when a service is discovered. */
+ public void serviceFound( DNSSDService browser, int flags, int ifIndex,
+ String serviceName, String regType, String domain)
+ // Overridden to stuff serviceName into regType and make serviceName human-readable.
+ {
+ regType = serviceName + ( regType.startsWith( "_udp.") ? "._udp." : "._tcp.");
+ super.serviceFound( browser, flags, ifIndex, this.mapTypeToName( serviceName), regType, domain);
+ }
+
+ public void serviceLost( DNSSDService browser, int flags, int ifIndex,
+ String serviceName, String regType, String domain)
+ // Overridden to make serviceName human-readable.
+ {
+ super.serviceLost( browser, flags, ifIndex, this.mapTypeToName( serviceName), regType, domain);
+ }
+
+ protected String mapTypeToName( String type)
+ // Convert a registration type into a human-readable string. Returns original string on no-match.
+ {
+ final String[] namedServices = {
+ "_afpovertcp", "Apple File Sharing",
+ "_http", "World Wide Web servers",
+ "_daap", "Digital Audio Access",
+ "_apple-sasl", "Apple Password Servers",
+ "_distcc", "Distributed Compiler nodes",
+ "_finger", "Finger servers",
+ "_ichat", "iChat clients",
+ "_presence", "iChat AV clients",
+ "_ssh", "SSH servers",
+ "_telnet", "Telnet servers",
+ "_workstation", "Macintosh Manager clients",
+ "_bootps", "BootP servers",
+ "_xserveraid", "XServe RAID devices",
+ "_eppc", "Remote AppleEvents",
+ "_ftp", "FTP services",
+ "_tftp", "TFTP services"
+ };
+
+ for ( int i = 0; i < namedServices.length; i+=2)
+ if ( namedServices[i].equals( type))
+ return namedServices[i + 1];
+ return type;
+ }
+}
+
+
+class DomainListModel extends DefaultListModel implements DomainListener
+{
+ /* Called when a domain is discovered. */
+ public void domainFound( DNSSDService domainEnum, int flags, int ifIndex, String domain)
+ {
+ if ( !this.contains( domain))
+ this.addElement( domain);
+ }
+
+ public void domainLost( DNSSDService domainEnum, int flags, int ifIndex, String domain)
+ {
+ if ( this.contains( domain))
+ this.removeElement( domain);
+ }
+
+ public void operationFailed( DNSSDService service, int errorCode)
+ {
+ // handle failure here
+ }
+}
+
projects / apple / mdnsresponder.git / blobdiff