Refactoring of the pseudo file/desktop action code to allow use by AVM and repo filesystem drivers.

Added virtualization view to the AVM filesystem driver that shows all stores and versions using a single
shared filesystem.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@4443 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/filesys/alfresco/IOControl.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2005-2006 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.alfresco;
+
+import org.alfresco.filesys.smb.NTIOCtl;
+
+/**
+ * Content Disk Driver I/O Control Codes Class
+ * 
+ * <p>Contains I/O control codes and status codes used by the content disk driver I/O control
+ * implementation.
+ * 
+ * @author gkspencer
+ */
+public class IOControl
+{
+    // Custom I/O control codes
+    
+    public static final int CmdProbe      		= NTIOCtl.FsCtlCustom;
+    public static final int CmdFileStatus 		= NTIOCtl.FsCtlCustom + 1;
+    // Version 1 CmdCheckOut = NTIOCtl.FsCtlCustom + 2
+    // Version 1 CmdCheckIn  = NTIOCtl.FsCtlCustom + 3
+    public static final int CmdGetActionInfo	= NTIOCtl.FsCtlCustom + 4;
+    public static final int CmdRunAction   		= NTIOCtl.FsCtlCustom + 5;
+
+    // I/O control request/response signature
+    
+    public static final String Signature   = "ALFRESCO";
+    
+    // I/O control interface version id
+    
+    public static final int Version				= 2;
+    
+    // Boolean field values
+    
+    public static final int True                = 1;
+    public static final int False               = 0;
+    
+    // File status field values
+    //
+    // Node type
+    
+    public static final int TypeFile            = 0;
+    public static final int TypeFolder          = 1;
+    
+    // Lock status
+    
+    public static final int LockNone            = 0;
+    public static final int LockRead            = 1;
+    public static final int LockWrite           = 2;
+}