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/MailSlot.java

@@ -0,0 +1,140 @@
+/*
+ * 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 org.alfresco.filesys.util.DataPacker;
+
+/**
+ * Mail slot constants class.
+ */
+public final class MailSlot
+{
+
+    // Mail slot opcodes
+
+    public static final int WRITE = 0x01;
+
+    // Mail slot classes
+
+    public static final int UNRELIABLE = 0x02;
+
+    // Mailslot \MAILSLOT\BROWSE opcodes
+
+    public static final int HostAnnounce = 1;
+    public static final int AnnouncementRequest = 2;
+    public static final int RequestElection = 8;
+    public static final int GetBackupListReq = 9;
+    public static final int GetBackupListResp = 10;
+    public static final int BecomeBackup = 11;
+    public static final int DomainAnnouncement = 12;
+    public static final int MasterAnnouncement = 13;
+    public static final int LocalMasterAnnouncement = 15;
+
+    /**
+     * Create a host announcement mailslot structure
+     * 
+     * @param buf byte[]
+     * @param off int
+     * @param host String
+     * @param comment String
+     * @param typ int
+     * @param interval int
+     * @param upd int
+     * @return int
+     */
+    public final static int createHostAnnouncement(byte[] buf, int off, String host, String comment, int typ,
+            int interval, int upd)
+    {
+
+        // Set the command code and update count
+
+        buf[off] = MailSlot.HostAnnounce;
+        buf[off + 1] = 0; // (byte) (upd & 0xFF);
+
+        // Set the announce interval, in minutes
+
+        DataPacker.putIntelInt(interval * 60000, buf, off + 2);
+
+        // Pack the host name
+
+        byte[] hostByt = host.getBytes();
+        for (int i = 0; i < 16; i++)
+        {
+            if (i < hostByt.length)
+                buf[off + 6 + i] = hostByt[i];
+            else
+                buf[off + 6 + i] = 0;
+        }
+
+        // Major/minor version number
+
+        buf[off + 22] = 5; // major version
+        buf[off + 23] = 1; // minor version
+
+        // Set the server type flags
+
+        DataPacker.putIntelInt(typ, buf, off + 24);
+
+        // Browser election version and browser constant
+
+        DataPacker.putIntelShort(0x010F, buf, off + 28);
+        DataPacker.putIntelShort(0xAA55, buf, off + 30);
+
+        // Add the server comment string, or a null string
+
+        int pos = off + 33;
+
+        if (comment != null)
+            pos = DataPacker.putString(comment, buf, off + 32, true);
+
+        // Return the end of data position
+
+        return pos;
+    }
+
+    /**
+     * Create an announcement request mailslot structure
+     * 
+     * @param buf byte[]
+     * @param off int
+     * @param host String
+     * @return int
+     */
+    public final static int createAnnouncementRequest(byte[] buf, int off, String host)
+    {
+
+        // Set the command code
+
+        buf[off] = MailSlot.AnnouncementRequest;
+        buf[off + 1] = 0;
+
+        // Pack the host name
+
+        byte[] hostByt = host.getBytes();
+        for (int i = 0; i < 16; i++)
+        {
+            if (i < hostByt.length)
+                buf[off + 2 + i] = hostByt[i];
+            else
+                buf[off + 2 + i] = 0;
+        }
+
+        // Return the end of buffer position
+
+        return off + 17;
+    }
+}