/*
* Copyright (C) 2006-2008 Alfresco Software Limited.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* As a special exception to the terms and conditions of version 2.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* and Open Source Software ("FLOSS") applications as described in Alfresco's
* FLOSS exception. You should have recieved a copy of the text describing
* the FLOSS exception, and it is also available here:
* http://www.alfresco.com/legal/licensing"
*/
package org.alfresco.jlan.smb.mailslot;
import org.alfresco.jlan.util.DataPacker;
/**
* Mail slot constants class.
*
* @author gkspencer
*/
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;
}
}