Moving to root below branch label

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2005 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/filesys/smb/mailslot/TcpipNetBIOSHostAnnouncer.java

@@ -0,0 +1,229 @@
+/*
+ * Copyright (C) 2005 Alfresco, Inc.
+ *
+ * Licensed under the Mozilla Public License version 1.1 
+ * with a permitted attribution clause. You may obtain a
+ * copy of the License at
+ *
+ *   http://www.alfresco.org/legal/license.txt
+ *
+ * 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.alfresco.filesys.smb.mailslot;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+import org.alfresco.filesys.netbios.NetBIOSDatagram;
+import org.alfresco.filesys.netbios.NetBIOSDatagramSocket;
+import org.alfresco.filesys.netbios.NetBIOSName;
+import org.alfresco.filesys.netbios.NetworkSettings;
+import org.alfresco.filesys.netbios.RFCNetBIOSProtocol;
+
+/**
+ * <p>
+ * TCP/IP NetBIOS host announcer implementation. Periodically broadcasts a host announcement
+ * datagram to inform other Windows networking hosts of the local hosts existence and capabilities.
+ */
+public class TcpipNetBIOSHostAnnouncer extends HostAnnouncer
+{
+
+    // Default port and announcement interval
+
+    public static final int PORT = RFCNetBIOSProtocol.DATAGRAM;
+    public static final int INTERVAL = 1; // minutes
+
+    // Local address to bind to, port to use
+
+    private InetAddress m_bindAddress;
+    private int m_port;
+
+    // Broadcast address and port
+
+    private InetAddress m_bcastAddr;
+    private int m_bcastPort = RFCNetBIOSProtocol.DATAGRAM;
+
+    // NetBIOS datagram
+
+    private NetBIOSDatagram m_nbdgram;
+
+    /**
+     * Default constructor.
+     */
+    public TcpipNetBIOSHostAnnouncer()
+    {
+
+        // Set the default port and interval
+
+        setPort(PORT);
+        setInterval(INTERVAL);
+    }
+
+    /**
+     * Create a host announcer.
+     * 
+     * @param name Host name to announce
+     * @param domain Domain name to announce to
+     * @param intval Announcement interval, in minutes
+     * @param port Port to use
+     */
+    public TcpipNetBIOSHostAnnouncer(String name, String domain, int intval, int port)
+    {
+
+        // Add the host to the list of names to announce
+
+        addHostName(name);
+        setDomain(domain);
+        setInterval(intval);
+
+        // If port is zero then use the default port
+
+        if (port == 0)
+            setPort(PORT);
+        else
+            setPort(port);
+    }
+
+    /**
+     * Get the local address that the announcer should bind to.
+     * 
+     * @return java.net.InetAddress
+     */
+    public final InetAddress getBindAddress()
+    {
+        return m_bindAddress;
+    }
+
+    /**
+     * Return the socket/port number that the announcer is using.
+     * 
+     * @return int
+     */
+    public final int getPort()
+    {
+        return m_port;
+    }
+
+    /**
+     * Check if the announcer should bind to a particular local address, or all local addresses.
+     * 
+     * @return boolean
+     */
+    public final boolean hasBindAddress()
+    {
+        return m_bindAddress != null ? true : false;
+    }
+
+    /**
+     * Set the broadcast address
+     * 
+     * @param addr String
+     * @exception UnknownHostException
+     */
+    public final void setBroadcastAddress(String addr) throws UnknownHostException
+    {
+        m_bcastAddr = InetAddress.getByName(addr);
+    }
+
+    /**
+     * Set the broadcast address and port
+     * 
+     * @param addr String
+     * @param int port
+     * @exception UnknownHostException
+     */
+    public final void setBroadcastAddress(String addr, int port) throws UnknownHostException
+    {
+        m_bcastAddr = InetAddress.getByName(addr);
+        m_bcastPort = port;
+    }
+
+    /**
+     * Initialize the host announcer.
+     * 
+     * @exception Exception
+     */
+    protected void initialize() throws Exception
+    {
+
+        // Set this thread to be a daemon, set the thread name
+
+        if (hasBindAddress() == false)
+            setName("TCPHostAnnouncer");
+        else
+            setName("TCPHostAnnouncer_" + getBindAddress().getHostAddress());
+
+        // Check if at least one host name has been set, if not then use the local host name
+
+        if (numberOfNames() == 0)
+        {
+
+            // Get the local host name
+
+            addHostName(InetAddress.getLocalHost().getHostName());
+        }
+
+        // Allocate the NetBIOS datagram
+
+        m_nbdgram = new NetBIOSDatagram(512);
+
+        // If the broadcast address has not been set, generate a broadcast address
+
+        if (m_bcastAddr == null)
+            m_bcastAddr = InetAddress.getByName(NetworkSettings.GenerateBroadcastMask(null));
+    }
+
+    /**
+     * Determine if the network connection used for the host announcement is valid
+     * 
+     * @return boolean
+     */
+    public boolean isNetworkEnabled()
+    {
+        return true;
+    }
+
+    /**
+     * Send an announcement broadcast.
+     * 
+     * @param hostName Host name being announced
+     * @param buf Buffer containing the host announcement mailslot message.
+     * @param offset Offset to the start of the host announcement message.
+     * @param len Host announcement message length.
+     */
+    protected void sendAnnouncement(String hostName, byte[] buf, int offset, int len) throws Exception
+    {
+
+        // Send the host announce datagram
+
+        m_nbdgram.SendDatagram(NetBIOSDatagram.DIRECT_GROUP, hostName, NetBIOSName.FileServer, getDomain(),
+                NetBIOSName.MasterBrowser, buf, len, offset);
+    }
+
+    /**
+     * Set the local address to bind to.
+     * 
+     * @param addr java.net.InetAddress
+     */
+    public final void setBindAddress(InetAddress addr)
+    {
+        m_bindAddress = addr;
+        NetBIOSDatagramSocket.setBindAddress(addr);
+    }
+
+    /**
+     * Set the socket/port number to use.
+     * 
+     * @param port int
+     */
+    public final void setPort(int port)
+    {
+        m_port = port;
+        NetBIOSDatagramSocket.setDefaultPort(port);
+    }
+}