Updates to repo filesystem to add support for NFS, plus various updates/fixes to NFS.

Removed synchronization from content network file methods, synchronization is done in the protocol layer.
Compacted content network file debug output.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@4810 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/filesys/server/SrvSession.java

@@ -529,7 +529,7 @@ public abstract class SrvSession
                     tx.rollback();
                 }
             }
-            catch ( SystemException ex)
+            catch ( Exception ex)
             {
             }
             

source/java/org/alfresco/filesys/server/auth/AlfrescoRpcAuthenticator.java

@@ -28,6 +28,7 @@ import org.alfresco.filesys.server.oncrpc.Rpc;
 import org.alfresco.filesys.server.oncrpc.RpcAuthenticationException;
 import org.alfresco.filesys.server.oncrpc.RpcAuthenticator;
 import org.alfresco.filesys.server.oncrpc.RpcPacket;
+import org.alfresco.filesys.server.oncrpc.nfs.NFS;
 import org.alfresco.repo.security.authentication.AuthenticationComponent;
 import org.alfresco.service.transaction.TransactionService;
 import org.apache.commons.logging.Log;
@@ -91,6 +92,14 @@ public class AlfrescoRpcAuthenticator implements RpcAuthenticator {
 			if ( logger.isDebugEnabled())
 				logger.debug( "RpcAuth: Type=Unix uid=" + uid + ", gid=" + gid);
 			
+			// Check that there is a user name mapping for the uid/gid
+			
+			Integer idKey = new Integer((gid << 16) + uid);
+			String userName = m_idMap.get( idKey);
+			
+			if ( userName == null)
+				throw new RpcAuthenticationException( NFS.StsAccess);
+			
 			// Check if the Unix authentication session table is valid
 
 			sessKey = new Long((((long) rpc.getClientAddress().hashCode()) << 32) + (gid << 16) + uid);
@@ -142,7 +151,8 @@ public class AlfrescoRpcAuthenticator implements RpcAuthenticator {
 	 * @param rpc RpcPacket
 	 * @return ClientInfo
 	 */
-	public ClientInfo getRpcClientInformation(Object sessKey, RpcPacket rpc) {
+	public ClientInfo getRpcClientInformation(Object sessKey, RpcPacket rpc)
+	{
 
 		// Create a client information object to hold the client details
 
@@ -197,7 +207,7 @@ public class AlfrescoRpcAuthenticator implements RpcAuthenticator {
 				cInfo.setClientAddress( clientAddr);
 				cInfo.setUid( uid);
 				cInfo.setGid( gid);
-				
+
 				cInfo.setGroupsList(groups);
 			}
 			
@@ -240,7 +250,7 @@ public class AlfrescoRpcAuthenticator implements RpcAuthenticator {
 
     	// Check the account type and setup the authentication context
     	
-    	if ( client == null || client.isNullSession() || client.hasAuthenticationToken() == false)
+    	if ( client == null || client.isNullSession())
     	{
     		// Clear the authentication, null user should not be allowed to do any service calls
     		

source/java/org/alfresco/filesys/server/config/ServerConfiguration.java

@@ -579,7 +579,6 @@ public class ServerConfiguration extends AbstractLifecycleBean
         // Create the configuration context
 
         ConfigLookupContext configCtx = new ConfigLookupContext(ConfigArea);
-        configCtx.setIncludeGlobalSection( false);
 
         // Set the platform type
 

source/java/org/alfresco/filesys/server/oncrpc/nfs/NFSServer.java

@@ -1778,8 +1778,7 @@ public class NFSServer extends RpcNetworkServer implements RpcProcessor {
 
 			// Get the disk interface from the disk driver
 
-			DiskInterface disk = (DiskInterface) conn.getSharedDevice()
+			DiskInterface disk = (DiskInterface) conn.getSharedDevice().getInterface();
-					.getInterface();
 
 			// Get the pre-operation state for the parent directory
 
@@ -1846,8 +1845,7 @@ public class NFSServer extends RpcNetworkServer implements RpcProcessor {
 					if (finfo.isDirectory())
 						packDirectoryHandle(shareId, finfo.getFileId(), rpc);
 					else
-						packFileHandle(shareId, getFileIdForHandle(handle),
+						packFileHandle(shareId, getFileIdForHandle(handle),	finfo.getFileId(), rpc);
-								finfo.getFileId(), rpc);
 
 					// Pack the file attributes
 
@@ -1856,19 +1854,17 @@ public class NFSServer extends RpcNetworkServer implements RpcProcessor {
 					// Add a cache entry for the path
 
 					ShareDetails details = m_shareDetails.findDetails(shareId);
-					details.getFileIdCache().addPath(finfo.getFileId(),
+					details.getFileIdCache().addPath(finfo.getFileId(), filePath);
-							filePath);
 
 					// Add a cache entry for the network file
 
-					sess.getFileCache().addFile(netFile, conn);
+					sess.getFileCache().addFile(netFile, conn, sess);
 
 					// Pack the wcc data structure for the directory
 
 					packPreOpAttr(sess, preInfo, rpc);
 
-					FileInfo postInfo = disk.getFileInformation(sess, conn,
+					FileInfo postInfo = disk.getFileInformation(sess, conn, path);
-							path);
 					packPostOpAttr(sess, postInfo, shareId, rpc);
 
 					// DEBUG
@@ -1879,8 +1875,7 @@ public class NFSServer extends RpcNetworkServer implements RpcProcessor {
 
 					// Notify change listeners that a new file has been created
 
-					DiskDeviceContext diskCtx = (DiskDeviceContext) conn
+					DiskDeviceContext diskCtx = (DiskDeviceContext) conn.getContext();
-							.getContext();
 
 					if (diskCtx.hasChangeHandler())
 						diskCtx.getChangeHandler().notifyFileChanged( NotifyChange.ActionAdded, filePath);
@@ -2320,14 +2315,13 @@ public class NFSServer extends RpcNetworkServer implements RpcProcessor {
 
 					// Add a cache entry for the network file
 
-					sess.getFileCache().addFile(netFile, conn);
+					sess.getFileCache().addFile(netFile, conn, sess);
 
 					// Pack the wcc data structure for the directory
 
 					packPreOpAttr(sess, preInfo, rpc);
 
-					FileInfo postInfo = disk.getFileInformation(sess, conn,
+					FileInfo postInfo = disk.getFileInformation(sess, conn, path);
-							path);
 					packPostOpAttr(sess, postInfo, shareId, rpc);
 
 					// DEBUG
@@ -3036,7 +3030,7 @@ public class NFSServer extends RpcNetworkServer implements RpcProcessor {
 
 			// Generate the search path
 
-			String searchPath = generatePath(path, "*.*");
+			String searchPath = generatePath(path, "*");
 
 			// DEBUG
 
@@ -4611,8 +4605,7 @@ public class NFSServer extends RpcNetworkServer implements RpcProcessor {
 	 * @exception StaleHandleException
 	 *                If the file id cannot be converted to a path
 	 */
-	protected final NetworkFile getNetworkFileForHandle(NFSSrvSession sess,
+	protected final NetworkFile getNetworkFileForHandle(NFSSrvSession sess, byte[] handle, TreeConnection conn, boolean readOnly)
-			byte[] handle, TreeConnection conn, boolean readOnly)
 			throws BadHandleException, StaleHandleException {
 
 		// Check if the handle is a file handle
@@ -4633,7 +4626,7 @@ public class NFSServer extends RpcNetworkServer implements RpcProcessor {
 
 			// Check the file cache, file may already be open
 
-			file = fileCache.findFile(fileId);
+			file = fileCache.findFile(fileId, sess);
 			if (file == null) {
 
 				// Get the path for the file
@@ -4656,7 +4649,7 @@ public class NFSServer extends RpcNetworkServer implements RpcProcessor {
 					// Add the file to the active file cache
 
 					if (file != null)
-						fileCache.addFile(file, conn);
+						fileCache.addFile(file, conn, sess);
 				}
 				catch (AccessDeniedException ex) {
 					if (hasDebug())

source/java/org/alfresco/filesys/server/oncrpc/nfs/NFSSrvSession.java

@@ -133,7 +133,7 @@ public class NFSSrvSession extends SrvSession {
 	public final NetworkFileCache getFileCache()
 	{
 		if (m_fileCache == null)
-			m_fileCache = new NetworkFileCache(getUniqueId());
+			m_fileCache = new NetworkFileCache(getUniqueId(), getNFSServer().getRpcAuthenticator());
 		return m_fileCache;
 	}
 

source/java/org/alfresco/filesys/server/oncrpc/nfs/NetworkFileCache.java

@@ -17,11 +17,12 @@
 package org.alfresco.filesys.server.oncrpc.nfs;
 
 import java.util.*;
-import java.io.*;
 
+import org.alfresco.filesys.server.SrvSession;
 import org.alfresco.filesys.server.filesys.DiskInterface;
 import org.alfresco.filesys.server.filesys.NetworkFile;
 import org.alfresco.filesys.server.filesys.TreeConnection;
+import org.alfresco.filesys.server.oncrpc.RpcAuthenticator;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
@@ -40,7 +41,7 @@ public class NetworkFileCache {
 	
 	// Default file timeout
 
-	public static final long DefaultFileTimeout = 5000L; // 5 seconds
+	public static final long DefaultFileTimeout = 5000L;	// 5 seconds
 
 	// Network file cache, key is the file id
 
@@ -50,6 +51,10 @@ public class NetworkFileCache {
 
 	private FileExpiry m_expiryThread;
 
+	// RPC authenticator
+	
+	private RpcAuthenticator m_rpcAuthenticator;
+	
 	// File timeout
 
 	private long m_fileTmo = DefaultFileTimeout;
@@ -74,18 +79,23 @@ public class NetworkFileCache {
 		// File timeout
 
 		private long m_timeout;
+		
+		// Session that last accessed the file
+		
+		private SrvSession m_sess;
 
 		/**
 		 * Class constructor
 		 * 
-		 * @param file
+		 * @param file NetworkFile
-		 *            NetworkFile
+		 * @param conn TreeConnection
-		 * @param conn
+		 * @param sess SrvSession
-		 *            TreeConnection
 		 */
-		public FileEntry(NetworkFile file, TreeConnection conn) {
+		public FileEntry(NetworkFile file, TreeConnection conn, SrvSession sess) {
 			m_file = file;
 			m_conn = conn;
+			setSession(sess);
+			
 			updateTimeout();
 		}
 
@@ -116,6 +126,16 @@ public class NetworkFileCache {
 			return m_conn;
 		}
 
+		/**
+		 * Get the session that last accessed the file
+		 * 
+		 * @return SrvSession
+		 */
+		public final SrvSession getSession()
+		{
+			return m_sess;
+		}
+		
 		/**
 		 * Update the file timeout
 		 */
@@ -132,6 +152,16 @@ public class NetworkFileCache {
 		public final void updateTimeout(long tmo) {
 			m_timeout = tmo;
 		}
+		
+		/**
+		 * Set the session that last accessed the file
+		 * 
+		 * @param sess SrvSession
+		 */
+		public final void setSession( SrvSession sess)
+		{
+			m_sess = sess;
+		}
 	};
 
 	/**
@@ -242,22 +272,31 @@ public class NetworkFileCache {
 
 								try {
 
+									// Set the current user using the session that last accessed the file
+									
+									if ( m_rpcAuthenticator != null)
+										m_rpcAuthenticator.setCurrentUser( fentry.getSession(), fentry.getSession().getClientInformation());
+									
 									// Get the disk interface
 
-									DiskInterface disk = (DiskInterface) fentry
+									DiskInterface disk = (DiskInterface) fentry.getConnection().getInterface();
-											.getConnection().getInterface();
 
 									// Close the file
 
-									disk.closeFile(null,
+									disk.closeFile( fentry.getSession(), fentry.getConnection(), netFile);
-											fentry.getConnection(), netFile);
+
-								} catch (IOException ex) {
+									// Commit any transactions
+									
+									fentry.getSession().endTransaction();
+									
+									// DEBUG
+
+									if (logger.isDebugEnabled())
+										logger.debug("NFSFileExpiry: Closed file=" + fentry.getFile().getFullName() + ", fid=" + fileId);
+								}
+								catch (Exception ex) {
+									logger.error( "File expiry exception", ex);
 								}
-
-								// DEBUG
-
-								if (logger.isDebugEnabled())
-									logger.debug("NFSFileExpiry: Closed file=" + fentry.getFile().getFullName() + ", fid=" + fileId);
 							}
 						}
 					}
@@ -293,10 +332,10 @@ public class NetworkFileCache {
 	/**
 	 * Class constructor
 	 * 
-	 * @param name
+	 * @param name String
-	 *            String
+	 * @param rpcAuth RpcAuthenticator
 	 */
-	public NetworkFileCache(String name) {
+	public NetworkFileCache(String name, RpcAuthenticator rpcAuth) {
 
 		// Create the file cache
 
@@ -305,6 +344,10 @@ public class NetworkFileCache {
 		// Start the file expiry thread
 
 		m_expiryThread = new FileExpiry(DefaultFileTimeout / 4, name);
+		
+		// Set the RPC authenticator
+		
+		m_rpcAuthenticator = rpcAuth;
 	}
 
 	/**
@@ -319,16 +362,22 @@ public class NetworkFileCache {
 	/**
 	 * Add a file to the cache
 	 * 
-	 * @param file
+	 * @param file NetworkFile
-	 *            NetworkFile
+	 * @param conn TreeConnection
-	 * @param conn
+	 * @param sess SrvSession
-	 *            TreeConnection
 	 */
-	public synchronized final void addFile(NetworkFile file, TreeConnection conn) {
+	public synchronized final void addFile(NetworkFile file, TreeConnection conn, SrvSession sess) {
+
+		// Add the file id mapping
+		
 		synchronized (m_fileCache) {
-			m_fileCache.put(new Integer(file.getFileId()), new FileEntry(file,
+			m_fileCache.put(new Integer(file.getFileId()), new FileEntry(file, conn, sess));
-					conn));
 		}
+		
+		// DEBUG
+		
+		if ( logger.isDebugEnabled())
+			logger.debug("Added file " + file.getName() + ", fid=" + file.getFileId());
 	}
 
 	/**
@@ -350,11 +399,11 @@ public class NetworkFileCache {
 	/**
 	 * Find a file via the file id
 	 * 
-	 * @param id
+	 * @param id int
-	 *            int
+	 * @param sess SrvSession
 	 * @return NetworkFile
 	 */
-	public synchronized final NetworkFile findFile(int id) {
+	public synchronized final NetworkFile findFile(int id, SrvSession sess) {
 
 		// Create the search key
 
@@ -372,6 +421,8 @@ public class NetworkFileCache {
 			// Update the file timeout and return the file
 
 			fentry.updateTimeout();
+			fentry.setSession(sess);
+			
 			return fentry.getFile();
 		}
 

source/java/org/alfresco/filesys/smb/server/repo/ContentDiskDriver.java

@@ -26,6 +26,7 @@ import javax.transaction.UserTransaction;
 import org.alfresco.config.ConfigElement;
 import org.alfresco.error.AlfrescoRuntimeException;
 import org.alfresco.filesys.alfresco.AlfrescoDiskDriver;
+import org.alfresco.filesys.avm.AVMNetworkFile;
 import org.alfresco.filesys.server.SrvSession;
 import org.alfresco.filesys.server.core.DeviceContext;
 import org.alfresco.filesys.server.core.DeviceContextException;
@@ -682,6 +683,11 @@ public class ContentDiskDriver extends AlfrescoDiskDriver implements DiskInterfa
                 }
             }
 
+            // Set the file id for the file using the relative path
+            
+            if ( finfo != null)
+            	finfo.setFileId( path.hashCode());
+            
             // Return the file information
             
             return finfo;
@@ -748,13 +754,12 @@ public class ContentDiskDriver extends AlfrescoDiskDriver implements DiskInterfa
             // If the state table is available see if we can speed up the search using either cached
             // file information or find the folder node to be searched without having to walk the path
 
-            String[] paths = null;
+            String[] paths = FileName.splitPath(searchPath);
             
             if ( ctx.hasStateTable())
             {
                 // See if the folder to be searched has a file state, we can avoid having to walk the path
                 
-                paths = FileName.splitPath(searchPath);
                 if ( paths[0] != null && paths[0].length() > 1)
                 {
                     // Find the node ref for the folder being searched
@@ -842,7 +847,7 @@ public class ContentDiskDriver extends AlfrescoDiskDriver implements DiskInterfa
             
             // Build the search context to store the results
             
-            SearchContext searchCtx = new ContentSearchContext(cifsHelper, results, searchFileSpec, pseudoList);
+            SearchContext searchCtx = new ContentSearchContext(cifsHelper, results, searchFileSpec, pseudoList, paths[0]);
             
             // Debug
             
@@ -1199,6 +1204,11 @@ public class ContentDiskDriver extends AlfrescoDiskDriver implements DiskInterfa
             
             NetworkFile netFile = ContentNetworkFile.createFile(transactionService, nodeService, contentService, cifsHelper, nodeRef, params);
             
+            // Generate a file id for the file
+            
+            if ( netFile != null)
+            	netFile.setFileId( params.getPath().hashCode());
+            
             // Create a file state for the open file
             
             if ( ctx.hasStateTable())
@@ -1315,9 +1325,15 @@ public class ContentDiskDriver extends AlfrescoDiskDriver implements DiskInterfa
             
             NodeRef nodeRef = cifsHelper.createNode(deviceRootNodeRef, path, true);
             
-            // create the network file
+            // Create the network file
+            
             NetworkFile netFile = ContentNetworkFile.createFile(transactionService, nodeService, contentService, cifsHelper, nodeRef, params);
             
+            // Generate a file id for the file
+            
+            if ( netFile != null)
+            	netFile.setFileId( params.getPath().hashCode());
+            
             // Add a file state for the new file/folder
             
             if ( ctx.hasStateTable())
@@ -2027,6 +2043,16 @@ public class ContentDiskDriver extends AlfrescoDiskDriver implements DiskInterfa
         if(file.isDirectory())
             throw new AccessDeniedException();
             
+    	// If the content channel is not open for the file then start a transaction
+    	
+        if ( file instanceof ContentNetworkFile)
+        {
+	    	ContentNetworkFile contentFile = (ContentNetworkFile) file;
+	    	
+	    	if ( contentFile.hasContent() == false)
+	    		sess.beginReadTransaction( transactionService);
+        }
+        
         // Read a block of data from the file
         
         int count = file.readFile(buffer, size, bufferPosition, fileOffset);
@@ -2064,7 +2090,21 @@ public class ContentDiskDriver extends AlfrescoDiskDriver implements DiskInterfa
      */
     public long seekFile(SrvSession sess, TreeConnection tree, NetworkFile file, long pos, int typ) throws IOException
     {
-        throw new UnsupportedOperationException("Unsupported: " + file + " (seek)");
+  	  	// Check if the file is a directory
+    	
+		if ( file.isDirectory())
+			throw new AccessDeniedException();
+      
+    	// If the content channel is not open for the file then start a transaction
+    	
+    	ContentNetworkFile contentFile = (ContentNetworkFile) file;
+    	
+    	if ( contentFile.hasContent() == false)
+    		sess.beginReadTransaction( transactionService);
+    	
+		// Set the file position
+
+		return file.seekFile(pos, typ);
     }
 
     /**
@@ -2083,7 +2123,17 @@ public class ContentDiskDriver extends AlfrescoDiskDriver implements DiskInterfa
     public int writeFile(SrvSession sess, TreeConnection tree, NetworkFile file,
             byte[] buffer, int bufferOffset, int size, long fileOffset) throws IOException
     {
-        // Write to the file
+    	// If the content channel is not open for the file then start a transaction
+    	
+    	if ( file instanceof ContentNetworkFile)
+    	{
+	    	ContentNetworkFile contentFile = (ContentNetworkFile) file;
+	    	
+	    	if ( contentFile.hasContent() == false)
+	    		sess.beginWriteTransaction( transactionService);
+    	}
+    	
+    	// Write to the file
         
         file.writeFile(buffer, size, bufferOffset, fileOffset);
         

source/java/org/alfresco/filesys/smb/server/repo/ContentNetworkFile.java

@@ -27,11 +27,10 @@ import org.alfresco.filesys.server.filesys.FileAttribute;
 import org.alfresco.filesys.server.filesys.FileInfo;
 import org.alfresco.filesys.server.filesys.FileOpenParams;
 import org.alfresco.filesys.server.filesys.NetworkFile;
+import org.alfresco.filesys.smb.SeekType;
 import org.alfresco.i18n.I18NUtil;
 import org.alfresco.model.ContentModel;
 import org.alfresco.repo.content.filestore.FileContentReader;
-import org.alfresco.repo.transaction.TransactionUtil;
-import org.alfresco.repo.transaction.TransactionUtil.TransactionWork;
 import org.alfresco.service.cmr.repository.ContentAccessor;
 import org.alfresco.service.cmr.repository.ContentData;
 import org.alfresco.service.cmr.repository.ContentReader;
@@ -59,11 +58,17 @@ public class ContentNetworkFile extends NetworkFile
     private NodeService nodeService;
     private ContentService contentService;
     private NodeRef nodeRef;
-    /** keeps track of the read/write access */
+    
+    // File channel to file content
+    
     private FileChannel channel;
-    /** the original content opened */
+    
+    // File content
+    
     private ContentAccessor content;
-    /** keeps track of any writes */
+    
+    // Indicate if file has been written to or truncated/resized
+    
     private boolean modified;
     
     // Flag to indicate if the file channel is writable
@@ -86,9 +91,12 @@ public class ContentNetworkFile extends NetworkFile
         // Check write access
         // TODO: Check access writes and compare to write requirements
         
-        // create the file
+        // Create the file
+        
         ContentNetworkFile netFile = new ContentNetworkFile(transactionService, nodeService, contentService, nodeRef, path);
-        // set relevant parameters
+        
+        // Set relevant parameters
+        
         if (params.isReadOnlyAccess())
         {
             netFile.setGrantedAccess(NetworkFile.READONLY);
@@ -98,7 +106,8 @@ public class ContentNetworkFile extends NetworkFile
             netFile.setGrantedAccess(NetworkFile.READWRITE);
         }
         
-        // check the type
+        // Check the type
+        
         FileInfo fileInfo;
         try
         {
@@ -108,6 +117,7 @@ public class ContentNetworkFile extends NetworkFile
         {
             throw new AlfrescoRuntimeException("File not found when creating network file: " + nodeRef, e);
         }
+        
         if (fileInfo.isDirectory())
         {
             netFile.setAttributes(FileAttribute.Directory);
@@ -139,14 +149,13 @@ public class ContentNetworkFile extends NetworkFile
         if ( netFile.isReadOnly())
             netFile.setGrantedAccess(NetworkFile.READONLY);
         
-        // done
+        // DEBUG
+        
         if (logger.isDebugEnabled())
-        {
+            logger.debug("Create file node=" + nodeRef + ", param=" + params + ", netfile=" + netFile);
-            logger.debug("Created network file: \n" +
+
-                    "   node: " + nodeRef + "\n" +
+        // Return the network file
-                    "   param: " + params + "\n" +
+        
-                    "   netfile: " + netFile);
-        }
         return netFile;
     }
 
@@ -181,16 +190,19 @@ public class ContentNetworkFile extends NetworkFile
      */
     public String toString()
     {
-        StringBuilder sb = new StringBuilder(50);
+        StringBuilder str = new StringBuilder();
-        sb.append("ContentNetworkFile:")
+        
-          .append("[ node=").append(nodeRef)
+        str.append( "[");
-          .append(", channel=").append(channel)
+        str.append( nodeRef.getId());
-          .append(writableChannel ? "(Write)" : "(Read)")
+        str.append( ",channel=");
-          .append(", writable=").append(isWritable())
+        str.append( channel);
-          .append(", content=").append(content)
+        if ( channel != null)
-          .append(", modified=").append(modified)
+        	str.append( writableChannel ? "(Write)" : "(Read)");
-          .append("]");
+        if ( modified)
-        return sb.toString();
+        	str.append( ",modified");
+        str.append( "]");
+
+        return str.toString();
     }
     
     /**
@@ -211,7 +223,8 @@ public class ContentNetworkFile extends NetworkFile
      */
     private boolean isWritable()
     {
-        // check that we are allowed to write
+        // Check that we are allowed to write
+    	
         int access = getGrantedAccess();
         return (access == NetworkFile.READWRITE || access == NetworkFile.WRITEONLY);
     }
@@ -241,8 +254,11 @@ public class ContentNetworkFile extends NetworkFile
      * @see NetworkFile#WRITEONLY
      * @see NetworkFile#READWRITE
      */
-    private synchronized void openContent(boolean write, boolean trunc) throws AccessDeniedException, AlfrescoRuntimeException
+    private void openContent(boolean write, boolean trunc)
+    	throws AccessDeniedException, AlfrescoRuntimeException
     {
+    	// Check if the file is a directory
+    	
         if (isDirectory())
         {
             throw new AlfrescoRuntimeException("Unable to open channel for a directory network file: " + this);
@@ -271,11 +287,13 @@ public class ContentNetworkFile extends NetworkFile
         }
         else if (channel != null)
         {
-            // already have channel open
+            // Already have channel open
+        	
             return;
         }
         
-        // we need to create the channel
+        // We need to create the channel
+        
         if (write && !isWritable())
         {
             throw new AccessDeniedException("The network file was created for read-only: " + this);
@@ -284,6 +302,8 @@ public class ContentNetworkFile extends NetworkFile
         content = null;
         if (write)
         {
+        	// Get a writeable channel to the content
+        	
             content = contentService.getWriter(nodeRef, ContentModel.PROP_CONTENT, false);
             
             // Indicate that we have a writable channel to the file
@@ -296,8 +316,12 @@ public class ContentNetworkFile extends NetworkFile
         }
         else
         {
+        	// Get a read-only channel to the content
+        	
             content = contentService.getReader(nodeRef, ContentModel.PROP_CONTENT);
-            // ensure that the content we are going to read is valid
+            
+            // Ensure that the content we are going to read is valid
+            
             content = FileContentReader.getSafeContentReader(
                     (ContentReader) content,
                     I18NUtil.getMessage(FileContentReader.MSG_MISSING_CONTENT),
@@ -307,7 +331,8 @@ public class ContentNetworkFile extends NetworkFile
             
             writableChannel = false;
             
-            // get the read-only channel
+            // Get the read-only channel
+            
             channel = ((ContentReader) content).getFileChannel();
         }
     }
@@ -317,48 +342,44 @@ public class ContentNetworkFile extends NetworkFile
      * 
      * @exception IOException
      */
-    public synchronized void closeFile() throws IOException
+    public void closeFile()
+    	throws IOException
     {
-        if (isDirectory())              // ignore if this is a directory
+    	// Check if this is a directory
+    	
+        if (isDirectory())
         {
+        	// Nothing to do
+        	
             return;
         }
-        else if (channel == null)       // ignore if the channel hasn't been opened
+        else if (channel == null)
         {
+        	// File was not read/written so channel was not opened
+        	
             return;
         }
         
+        // Check if the file has been modified
         
-        if (modified)              // file was modified
+        if (modified)
         {
-            // execute the close (with possible replication listeners, etc) and the
+            // Close the channel
-            // node update in the same transaction.  A transaction will be started
+        	
-            // by the nodeService anyway, so it is merely widening the transaction
+            channel.close();
-            // boundaries.
+            channel = null;
-            TransactionWork<Object> closeWork = new TransactionWork<Object>()
+            
-            {
+            // Update node properties
-                public Object doWork() throws Exception
+            
-                {
+            ContentData contentData = content.getContentData();
-                    // close the channel
+            nodeService.setProperty(nodeRef, ContentModel.PROP_CONTENT, contentData);
-                    // close it
-                    channel.close();
-                    channel = null;
-                    // update node properties
-                    ContentData contentData = content.getContentData();
-                    nodeService.setProperty(nodeRef, ContentModel.PROP_CONTENT, contentData);
-                    // done
-                    return null;
-                }
-            };
-            TransactionUtil.executeInUserTransaction(transactionService, closeWork);
         }
         else
         {
-            // close it - it was not modified
+            // Close it - it was not modified
+        	
             channel.close();
             channel = null;
-            // no transaction used here.  Any listener operations against this (now unused) content
-            // are irrelevant.
         }
     }
 
@@ -368,7 +389,8 @@ public class ContentNetworkFile extends NetworkFile
      * @param size long
      * @exception IOException
      */
-    public synchronized void truncateFile(long size) throws IOException
+    public void truncateFile(long size)
+    	throws IOException
     {
         // If the content data channel has not been opened yet and the requested size is zero
         // then this is an open for overwrite so the existing content data is not copied
@@ -394,14 +416,10 @@ public class ContentNetworkFile extends NetworkFile
         
         modified = true;
         
-        // Debug
+        // DEBUG
         
         if (logger.isDebugEnabled())
-        {
+            logger.debug("Truncate file=" + this + ", size=" + size);
-            logger.debug("Truncated channel: " +
-                    "   net file: " + this + "\n" +
-                    "   size: " + size);
-        }
     }
 
     /**
@@ -413,7 +431,8 @@ public class ContentNetworkFile extends NetworkFile
      * @param fileOff long
      * @exception IOException
      */
-    public synchronized void writeFile(byte[] buffer, int length, int position, long fileOffset) throws IOException
+    public void writeFile(byte[] buffer, int length, int position, long fileOffset)
+    	throws IOException
     {
         // Open the channel for writing
         
@@ -435,11 +454,7 @@ public class ContentNetworkFile extends NetworkFile
         // DEBUG
         
         if (logger.isDebugEnabled())
-        {
+            logger.debug("Write file=" + this + ", size=" + count);
-            logger.debug("Wrote to channel: " +
-                    "   net file: " + this + "\n" +
-                    "   written: " + count);
-        }
     }
 
     /**
@@ -452,53 +467,119 @@ public class ContentNetworkFile extends NetworkFile
      * @return Length of data read.
      * @exception IOException
      */
-    public synchronized int readFile(byte[] buffer, int length, int position, long fileOffset) throws IOException
+    public int readFile(byte[] buffer, int length, int position, long fileOffset)
+    	throws IOException
     {
         // Open the channel for reading
         
         openContent(false, false);
         
-        // read from the channel
+        // Read from the channel
+        
         ByteBuffer byteBuffer = ByteBuffer.wrap(buffer, position, length);
         int count = channel.read(byteBuffer, fileOffset);
         if (count < 0)
         {
             count = 0;  // doesn't obey the same rules, i.e. just returns the bytes read
         }
-        // done
+        
+        // DEBUG
+        
         if (logger.isDebugEnabled())
-        {
+            logger.debug("Read file=" + this + " read=" + count);
-            logger.debug("Read from channel: " +
+        
-                    "   net file: " + this + "\n" +
+        // Return the actual count of bytes read
-                    "   read: " + count);
+        
-        }
         return count;
     }
     
+    /**
+     * Open the file
+     * 
+     * @param createFlag boolean
+     * @exception IOException
+     */
     @Override
-    public synchronized void openFile(boolean createFlag) throws IOException
+    public void openFile(boolean createFlag)
+    	throws IOException
     {
-        throw new UnsupportedOperationException();
+    	// Wait for read/write before opening the content channel
     }
 
+    /**
+     * Seek to a new position in the file
+     * 
+     * @param pos long
+     * @param typ int
+     * @return long
+     */
     @Override
-    public synchronized long seekFile(long pos, int typ) throws IOException
+    public long seekFile(long pos, int typ)
+    	throws IOException
     {
-        throw new UnsupportedOperationException();
+        //  Open the file, if not already open
-    }
 
-    @Override
+        openContent( false, false);
-    public synchronized void flushFile() throws IOException
+
-    {
+        //  Check if the current file position is the required file position
-        // open the channel for writing
+
-        openContent(true, false);
+        long curPos = channel.position();
-        // flush the channel - metadata flushing is not important
+        
-        channel.force(false);
+        switch (typ) {
-        // done
+
-        if (logger.isDebugEnabled())
+          //  From start of file
-        {
+
-            logger.debug("Flushed channel: " +
+          case SeekType.StartOfFile :
-                    "   net file: " + this);
+            if (curPos != pos)
+              channel.position( pos);
+            break;
+
+            //  From current position
+
+          case SeekType.CurrentPos :
+            channel.position( curPos + pos);
+            break;
+
+            //  From end of file
+
+          case SeekType.EndOfFile :
+            {
+              long newPos = channel.size() + pos;
+              channel.position(newPos);
+            }
+            break;
         }
+
+        // DEBUG
+        
+        if (logger.isDebugEnabled())
+            logger.debug("Seek file=" + this + ", pos=" + pos + ", type=" + typ);
+
+        //  Return the new file position
+
+        return channel.position();
+    }
+
+    /**
+     * Flush and buffered data for this file
+     * 
+     * @exception IOException
+     */
+    @Override
+    public void flushFile()
+    	throws IOException
+    {
+        // Open the channel for writing
+    	
+        openContent(true, false);
+        
+        // Flush the channel - metadata flushing is not important
+        
+        channel.force(false);
+        
+        // DEBUG
+        
+        if (logger.isDebugEnabled())
+            logger.debug("Flush file=" + this);
     }
 }

source/java/org/alfresco/filesys/smb/server/repo/ContentSearchContext.java

@@ -20,6 +20,7 @@ import java.io.FileNotFoundException;
 import java.util.List;
 
 import org.alfresco.filesys.server.filesys.FileInfo;
+import org.alfresco.filesys.server.filesys.FileName;
 import org.alfresco.filesys.server.filesys.SearchContext;
 import org.alfresco.filesys.server.pseudo.PseudoFile;
 import org.alfresco.filesys.server.pseudo.PseudoFileList;
@@ -51,6 +52,10 @@ public class ContentSearchContext extends SearchContext
     
     private int resumeId;
     
+    // Relative path being searched
+    
+    private String m_relPath;
+    
     /**
      * Class constructor
      * 
@@ -58,18 +63,24 @@ public class ContentSearchContext extends SearchContext
      * @param results List of file/folder nodes that match the search pattern
      * @param searchStr Search path
      * @param pseudoList List of pseudo files to be blended into the returned list of files
+     * @param relPath Relative path being searched
      */
     protected ContentSearchContext(
             CifsHelper cifsHelper,
             List<NodeRef> results,
             String searchStr,
-            PseudoFileList pseudoList)
+            PseudoFileList pseudoList,
+            String relPath)
     {
         super();
         super.setSearchString(searchStr);
         this.cifsHelper = cifsHelper;
         this.results    = results;
         this.pseudoList = pseudoList;
+
+		m_relPath = relPath;
+		if ( m_relPath != null && m_relPath.endsWith( FileName.DOS_SEPERATOR_STR) == false)
+			m_relPath = m_relPath + FileName.DOS_SEPERATOR_STR;
     }
     
     /**
@@ -147,6 +158,16 @@ public class ContentSearchContext extends SearchContext
                     
                     info.copyFrom( pinfo);
                     
+                	// Generate a file id for the current file
+                	
+                    if ( info != null && info.getFileId() == -1)
+                    {
+	                	StringBuilder pathStr = new StringBuilder( m_relPath);
+	                	pathStr.append ( info.getFileName());
+	                	
+	                	info.setFileId( pathStr.toString().hashCode());
+                    }
+                    
                     // Check if we have finished with the pseudo file list, switch to the normal file list
                     
                     if ( index == (pseudoList.numberOfFiles() - 1))
@@ -175,7 +196,14 @@ public class ContentSearchContext extends SearchContext
             FileInfo nextInfo = cifsHelper.getFileInformation(nextNodeRef, "");
             info.copyFrom(nextInfo);
             
-            // Indicate that the file information is valid
+        	// Generate a file id for the current file
+        	
+        	StringBuilder pathStr = new StringBuilder( m_relPath);
+        	pathStr.append ( info.getFileName());
+        	
+        	info.setFileId( pathStr.toString().hashCode());
+
+        	// Indicate that the file information is valid
             
             return true;
         }