mirror of
https://github.com/Alfresco/alfresco-community-repo.git
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Content Disk Driver 2 : Implementation of "Lock Tokens"
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@29629 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Mark Rogers
@@ -18,12 +18,15 @@
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*/
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package org.alfresco.filesys.repo;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import org.alfresco.filesys.alfresco.ExtendedDiskInterface;
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import org.alfresco.filesys.config.ServerConfigurationBean;
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import org.alfresco.jlan.server.SrvSession;
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import org.alfresco.jlan.server.core.DeviceContext;
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import org.alfresco.jlan.server.core.DeviceContextException;
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import org.alfresco.jlan.server.filesys.FileAccessToken;
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import org.alfresco.jlan.server.filesys.FileInfo;
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import org.alfresco.jlan.server.filesys.FileOpenParams;
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import org.alfresco.jlan.server.filesys.FileStatus;
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@@ -31,249 +34,370 @@ import org.alfresco.jlan.server.filesys.NetworkFile;
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import org.alfresco.jlan.server.filesys.SearchContext;
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import org.alfresco.jlan.server.filesys.TreeConnection;
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import org.alfresco.jlan.server.filesys.cache.FileState;
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import org.alfresco.jlan.server.filesys.cache.FileStateCache;
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import org.alfresco.jlan.smb.SharingMode;
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import org.alfresco.util.PropertyCheck;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.extensions.config.ConfigElement;
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/**
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* The Legacy file state driver is used to update JLAN's file state cache.
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* <p>
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* This class contains odds and ends to keep JLan happy. In particular it
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* cannot contain any code that requires access to the alfresco repository.
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* This class decorates an ExtendedDiskInterface with odds and ends to keep JLan happy.
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* <p>
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* In particular this implementation cannot contain any code that requires access to the
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* alfresco repository.
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*
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*/
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public class LegacyFileStateDriver implements ContentDiskCallback
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public class LegacyFileStateDriver implements ExtendedDiskInterface
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{
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private ExtendedDiskInterface diskInterface;
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public void init()
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{
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PropertyCheck.mandatory(this, "diskInterface", diskInterface);
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}
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@Override
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public void getFileInformation(SrvSession sess, TreeConnection tree,
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String path, FileInfo info)
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{
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// TODO Auto-generated method stub
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}
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@Override
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public void fileExists(SrvSession sess, TreeConnection tree, String path,
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int fileExists)
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{
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// TODO Auto-generated method stub
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}
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private static final Log logger = LogFactory.getLog(NonTransactionalRuleContentDiskDriver.class);
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@Override
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public void treeOpened(SrvSession sess, TreeConnection tree)
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{
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// TODO Auto-generated method stub
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diskInterface.treeOpened(sess, tree);
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}
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@Override
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public void treeClosed(SrvSession sess, TreeConnection tree)
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{
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// TODO Auto-generated method stub
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diskInterface.treeClosed(sess, tree);
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}
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@Override
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public NetworkFile createFile(SrvSession sess, TreeConnection tree,
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FileOpenParams params) throws IOException
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{
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ContentContext tctx = (ContentContext) tree.getContext();
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FileAccessToken token = null;
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if(tctx.hasStateCache())
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{
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FileStateCache cache = tctx.getStateCache();
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FileState fstate = tctx.getStateCache().findFileState( params.getPath(), true);
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token = cache.grantFileAccess(params, fstate, FileStatus.NotExist);
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if(logger.isDebugEnabled())
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{
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logger.debug("create file created lock token:" + token);
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}
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}
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try
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{
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NetworkFile newFile = diskInterface.createFile(sess, tree, params);
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if (newFile instanceof NodeRefNetworkFile)
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{
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NodeRefNetworkFile x = (NodeRefNetworkFile)newFile;
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x.setProcessId( params.getProcessId());
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x.setAccessToken(token);
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}
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if (newFile instanceof TempNetworkFile)
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{
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TempNetworkFile x = (TempNetworkFile)newFile;
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x.setAccessToken(token);
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}
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if(tctx.hasStateCache())
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{
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FileState fstate = tctx.getStateCache().findFileState( params.getPath(), true);
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fstate.incrementOpenCount();
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fstate.setProcessId(params.getProcessId());
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fstate.setSharedAccess( params.getSharedAccess());
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fstate.setProcessId( params.getProcessId());
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// Indicate that the file is open
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fstate.setFileStatus(newFile.isDirectory()? FileStatus.DirectoryExists : FileStatus.FileExists);
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fstate.setAllocationSize( params.getAllocationSize());
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}
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return newFile;
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}
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catch(IOException ie)
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{
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if(logger.isDebugEnabled())
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{
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logger.debug("create file exception caught", ie);
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}
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if(tctx.hasStateCache() && token != null)
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{
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FileStateCache cache = tctx.getStateCache();
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FileState fstate = tctx.getStateCache().findFileState( params.getPath(), false);
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if(fstate != null && token != null)
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{
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if(logger.isDebugEnabled())
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{
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logger.debug("create file release lock token:" + token);
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}
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cache.releaseFileAccess(fstate, token);
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}
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}
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throw ie;
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}
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}
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@Override
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public NetworkFile openFile(SrvSession sess, TreeConnection tree,
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FileOpenParams params) throws IOException
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{
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ContentContext tctx = (ContentContext) tree.getContext();
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String path = params.getPath();
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FileAccessToken token = null;
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if(tctx.hasStateCache())
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{
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if(!params.isDirectory())
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{
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FileStateCache cache = tctx.getStateCache();
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FileState fstate = tctx.getStateCache().findFileState( params.getPath(), true);
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token = cache.grantFileAccess(params, fstate, FileStatus.Unknown);
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if(logger.isDebugEnabled())
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{
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logger.debug("open file created lock token:" + token);
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}
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}
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}
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try
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{
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NetworkFile openFile = diskInterface.openFile(sess, tree, params);
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if (openFile instanceof ContentNetworkFile)
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{
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ContentNetworkFile x = (ContentNetworkFile)openFile;
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x.setProcessId( params.getProcessId());
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x.setAccessToken(token);
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if(tctx.hasStateCache())
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{
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FileState fstate = tctx.getStateCache().findFileState( path, true);
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x.setFileState(fstate);
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fstate.setProcessId(params.getProcessId());
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fstate.setFileStatus(FileStatus.FileExists);
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}
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}
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if (openFile instanceof TempNetworkFile)
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{
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TempNetworkFile x = (TempNetworkFile)openFile;
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x.setAccessToken(token);
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// x.setProcessId( params.getProcessId());
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if(tctx.hasStateCache())
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{
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FileState fstate = tctx.getStateCache().findFileState( path, true);
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x.setFileState(fstate);
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fstate.setFileStatus(FileStatus.FileExists);
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}
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}
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if (openFile instanceof AlfrescoFolder)
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{
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AlfrescoFolder x = (AlfrescoFolder)openFile;
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//x.setProcessId( param.getProcessId());
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if(tctx.hasStateCache())
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{
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FileState fstate = tctx.getStateCache().findFileState( path, true);
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x.setFileState(fstate);
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fstate.setFileStatus(FileStatus.DirectoryExists);
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}
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}
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return openFile;
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}
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catch(IOException ie)
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{
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if(logger.isDebugEnabled())
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{
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logger.debug("open file exception caught", ie);
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}
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if(tctx.hasStateCache() && token != null)
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{
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FileStateCache cache = tctx.getStateCache();
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FileState fstate = tctx.getStateCache().findFileState( params.getPath(), false);
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if(fstate != null)
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{
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if(logger.isDebugEnabled())
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{
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logger.debug("open file release lock token:" + token);
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}
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cache.releaseFileAccess(fstate, token);
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}
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}
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throw ie;
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}
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}
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@Override
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public void closeFile(SrvSession sess, TreeConnection tree,
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NetworkFile param)
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{
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ContentContext tctx = (ContentContext) tree.getContext();
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if(tctx.hasStateCache())
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{
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FileState fstate = tctx.getStateCache().findFileState( param.getFullName(), true);
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if ( fstate.decrementOpenCount() == 0)
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{
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fstate.setSharedAccess( SharingMode.READWRITE + SharingMode.DELETE);
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}
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}
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}
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@Override
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public void createDirectory(SrvSession sess, TreeConnection tree,
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FileOpenParams params)
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{
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// TODO Auto-generated method stub
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}
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@Override
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public void createFile(SrvSession sess, TreeConnection tree,
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FileOpenParams params, NetworkFile newFile)
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NetworkFile param) throws IOException
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{
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ContentContext tctx = (ContentContext) tree.getContext();
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// TODO temp code - not of interest to the repo
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if (newFile instanceof NodeRefNetworkFile)
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try
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{
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NodeRefNetworkFile x = (NodeRefNetworkFile)newFile;
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x.setProcessId( params.getProcessId());
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}
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if(tctx.hasStateCache())
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{
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FileState fstate = tctx.getStateCache().findFileState( params.getPath(), true);
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fstate.incrementOpenCount();
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fstate.setProcessId(params.getProcessId());
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fstate.setSharedAccess( params.getSharedAccess());
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fstate.setProcessId( params.getProcessId());
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// Indicate that the file is open
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fstate.setFileStatus(FileStatus.FileExists);
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fstate.incrementOpenCount();
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//fstate.setFilesystemObject(result.getSecond());
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fstate.setAllocationSize( params.getAllocationSize());
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}
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}
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diskInterface.closeFile(sess, tree, param);
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@Override
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public void deleteDirectory(SrvSession sess, TreeConnection tree, String dir)
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{
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// TODO Auto-generated method stub
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}
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@Override
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public void deleteFile(SrvSession sess, TreeConnection tree, String name)
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{
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// TODO Auto-generated method stub
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}
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@Override
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public void flushFile(SrvSession sess, TreeConnection tree, NetworkFile file)
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{
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// TODO Auto-generated method stub
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}
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@Override
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public void isReadOnly(SrvSession sess, DeviceContext ctx,
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boolean isReadOnly)
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{
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// TODO Auto-generated method stub
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}
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@Override
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public void openFile(SrvSession sess, TreeConnection tree,
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FileOpenParams param, NetworkFile openFile)
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{
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ContentContext tctx = (ContentContext) tree.getContext();
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String path = param.getPath();
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// Stuff to keep JLAN working - of no interest to the repo.
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if (openFile instanceof ContentNetworkFile)
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{
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ContentNetworkFile x = (ContentNetworkFile)openFile;
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x.setProcessId( param.getProcessId());
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if(tctx.hasStateCache())
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{
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FileState fstate = tctx.getStateCache().findFileState( path, true);
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x.setFileState(fstate);
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fstate.incrementOpenCount();
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fstate.setProcessId(param.getProcessId());
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FileStateCache cache = tctx.getStateCache();
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FileState fstate = cache.findFileState( param.getFullName(), true);
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if(fstate != null && param.getAccessToken() != null)
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{
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FileAccessToken token = param.getAccessToken();
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if(logger.isDebugEnabled() && token != null)
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{
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logger.debug("close file release lock token:" + token);
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}
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cache.releaseFileAccess(fstate, token);
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}
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}
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}
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if (openFile instanceof TempNetworkFile)
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catch(IOException ie)
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{
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TempNetworkFile x = (TempNetworkFile)openFile;
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//x.setProcessId( param.getProcessId());
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if(tctx.hasStateCache())
|
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if(logger.isDebugEnabled())
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{
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FileState fstate = tctx.getStateCache().findFileState( path, true);
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x.setFileState(fstate);
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}
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||||
}
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if (openFile instanceof AlfrescoFolder)
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{
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AlfrescoFolder x = (AlfrescoFolder)openFile;
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//x.setProcessId( param.getProcessId());
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if(tctx.hasStateCache())
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{
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FileState fstate = tctx.getStateCache().findFileState( path, true);
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x.setFileState(fstate);
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fstate.setFileStatus(FileStatus.DirectoryExists);
|
||||
}
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||||
}
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}
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@Override
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||||
public void readFile(SrvSession sess, TreeConnection tree,
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NetworkFile file, byte[] buf, int bufPos, int siz, long filePos,
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int readSize)
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{
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// TODO Auto-generated method stub
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||||
|
||||
}
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@Override
|
||||
public void renameFile(SrvSession sess, TreeConnection tree,
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String oldPath, String newPath)
|
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{
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||||
// TODO Auto-generated method stub
|
||||
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||||
}
|
||||
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@Override
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||||
public void seekFile(SrvSession sess, TreeConnection tree,
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NetworkFile file, long pos, int typ) throws IOException
|
||||
{
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||||
// TODO Auto-generated method stub
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setFileInformation(SrvSession sess, TreeConnection tree,
|
||||
String name, FileInfo info) throws IOException
|
||||
{
|
||||
// TODO Auto-generated method stub
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void startSearch(SrvSession sess, TreeConnection tree,
|
||||
String searchPath, int attrib, SearchContext context)
|
||||
{
|
||||
// TODO Auto-generated method stub
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void truncateFile(SrvSession sess, TreeConnection tree,
|
||||
NetworkFile file, long siz)
|
||||
{
|
||||
// TODO Auto-generated method stub
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void writeFile(SrvSession sess, TreeConnection tree,
|
||||
NetworkFile file, byte[] buf, int bufoff, int siz, long fileoff,
|
||||
int writeSize)
|
||||
{
|
||||
// TODO Auto-generated method stub
|
||||
|
||||
logger.debug("close file exception caught", ie);
|
||||
}
|
||||
throw ie;
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void registerContext(DeviceContext ctx,
|
||||
ServerConfigurationBean serverConfig) throws DeviceContextException
|
||||
{
|
||||
// TODO Auto-generated method stub
|
||||
|
||||
diskInterface.registerContext(ctx, serverConfig);
|
||||
}
|
||||
|
||||
|
||||
public void setDiskInterface(ExtendedDiskInterface diskInterface)
|
||||
{
|
||||
this.diskInterface = diskInterface;
|
||||
}
|
||||
|
||||
|
||||
|
||||
public ExtendedDiskInterface getDiskInterface()
|
||||
{
|
||||
return diskInterface;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void createDirectory(SrvSession sess, TreeConnection tree,
|
||||
FileOpenParams params) throws IOException
|
||||
{
|
||||
diskInterface.createDirectory(sess, tree, params);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void deleteDirectory(SrvSession sess, TreeConnection tree, String dir)
|
||||
throws IOException
|
||||
{
|
||||
diskInterface.deleteDirectory(sess, tree, dir);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void deleteFile(SrvSession sess, TreeConnection tree, String name)
|
||||
throws IOException
|
||||
{
|
||||
diskInterface.deleteFile(sess, tree, name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int fileExists(SrvSession sess, TreeConnection tree, String name)
|
||||
{
|
||||
return diskInterface.fileExists(sess, tree, name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void flushFile(SrvSession sess, TreeConnection tree, NetworkFile file)
|
||||
throws IOException
|
||||
{
|
||||
diskInterface.flushFile(sess, tree, file);
|
||||
}
|
||||
|
||||
@Override
|
||||
public FileInfo getFileInformation(SrvSession sess, TreeConnection tree,
|
||||
String name) throws IOException
|
||||
{
|
||||
return diskInterface.getFileInformation(sess, tree, name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isReadOnly(SrvSession sess, DeviceContext ctx)
|
||||
throws IOException
|
||||
{
|
||||
return diskInterface.isReadOnly(sess, ctx);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int readFile(SrvSession sess, TreeConnection tree, NetworkFile file,
|
||||
byte[] buf, int bufPos, int siz, long filePos) throws IOException
|
||||
{
|
||||
return diskInterface.readFile(sess, tree, file, buf, bufPos, siz, filePos);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void renameFile(SrvSession sess, TreeConnection tree,
|
||||
String oldName, String newName) throws IOException
|
||||
{
|
||||
diskInterface.renameFile(sess, tree, oldName, newName);
|
||||
}
|
||||
|
||||
@Override
|
||||
public long seekFile(SrvSession sess, TreeConnection tree,
|
||||
NetworkFile file, long pos, int typ) throws IOException
|
||||
{
|
||||
return diskInterface.seekFile(sess, tree, file, pos, typ);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setFileInformation(SrvSession sess, TreeConnection tree,
|
||||
String name, FileInfo info) throws IOException
|
||||
{
|
||||
diskInterface.setFileInformation(sess, tree, name, info);
|
||||
}
|
||||
|
||||
@Override
|
||||
public SearchContext startSearch(SrvSession sess, TreeConnection tree,
|
||||
String searchPath, int attrib) throws FileNotFoundException
|
||||
{
|
||||
return diskInterface.startSearch(sess, tree, searchPath, attrib);
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void truncateFile(SrvSession sess, TreeConnection tree,
|
||||
NetworkFile file, long siz) throws IOException
|
||||
{
|
||||
diskInterface.truncateFile(sess, tree, file, siz);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int writeFile(SrvSession sess, TreeConnection tree,
|
||||
NetworkFile file, byte[] buf, int bufoff, int siz, long fileoff)
|
||||
throws IOException
|
||||
{
|
||||
return diskInterface.writeFile(sess, tree, file, buf, bufoff, siz, fileoff);
|
||||
}
|
||||
|
||||
@Override
|
||||
public DeviceContext createContext(String shareName, ConfigElement args)
|
||||
throws DeviceContextException
|
||||
{
|
||||
|
||||
return diskInterface.createContext(shareName, args);
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user