Examples with FileStateCache org.alfresco.jlan.server.filesys.cache.FileStateCache used on opensource projects

Example 1 with FileStateCache

use of org.alfresco.jlan.server.filesys.cache.FileStateCache in project alfresco-repository by Alfresco.

the class BufferedContentDiskDriver method getFileInformation.

@Override
public FileInfo getFileInformation(SrvSession sess, TreeConnection tree, String path) throws IOException {
    ContentContext tctx = (ContentContext) tree.getContext();
    FileInfo info = getFileInformationInternal(sess, tree, path);
    /*
         *  Some information is not maintained by the repo and represents an in-progress update.
         *  For example as a file is being written the modification and access dates change.
         */
    if (tctx.hasStateCache()) {
        FileStateCache cache = tctx.getStateCache();
        FileState fstate = cache.findFileState(path, false);
        if (fstate != null) {
            if (logger.isDebugEnabled()) {
                logger.debug("state cache available - overwriting from state cache: isDirectory=" + info.isDirectory());
            }
            FileInfo finfo = new FileInfo();
            finfo.copyFrom(info);
            /**
             * File state is probably stale for directories which is why we don't attempt to
             * cache.
             */
            if (!info.isDirectory()) {
                /*
                     * What about stale file state values here?
                     */
                if (fstate.hasFileSize()) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("replace file size " + info.getSize() + " with " + fstate.getFileSize());
                    }
                    finfo.setFileSize(fstate.getFileSize());
                }
                if (fstate.hasAccessDateTime()) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("replace access date " + new Date(finfo.getAccessDateTime()) + " with " + new Date(fstate.getAccessDateTime()));
                    }
                    finfo.setAccessDateTime(fstate.getAccessDateTime());
                }
                if (fstate.hasChangeDateTime()) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("replace change date " + new Date(finfo.getChangeDateTime()) + " with " + new Date(fstate.getChangeDateTime()));
                    }
                    finfo.setChangeDateTime(fstate.getChangeDateTime());
                }
                if (fstate.hasModifyDateTime()) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("replace modified date " + new Date(finfo.getModifyDateTime()) + " with " + new Date(fstate.getModifyDateTime()));
                    }
                    finfo.setModifyDateTime(fstate.getModifyDateTime());
                }
                if (fstate.hasAllocationSize()) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("replace allocation size" + finfo.getAllocationSize() + " with " + fstate.getAllocationSize());
                    }
                    finfo.setAllocationSize(fstate.getAllocationSize());
                }
            }
            if (logger.isDebugEnabled()) {
                logger.debug("Return getFileInformation, path: " + path + ", returning:" + finfo + ", readOnly:" + finfo.isReadOnly() + ", fileId:" + finfo.getFileId() + ", fileSize:" + finfo.getSize() + ", directoryId:" + finfo.getDirectoryId() + ", createdDate: " + new Date(finfo.getCreationDateTime()) + ", accessDate:" + new Date(finfo.getAccessDateTime()) + ", modifiedDate:" + new Date(finfo.getModifyDateTime()) + ", changeDate:" + new Date(finfo.getChangeDateTime()) + ", fileAttributes: 0x" + Integer.toHexString(info.getFileAttributes()) + ", mode: 0x" + Integer.toHexString(finfo.getMode()));
            }
            return finfo;
        }
    }
    if (logger.isDebugEnabled()) {
        logger.debug("getFileInformation Return:" + path + " returning" + info);
    }
    return info;
}

Example 2 with FileStateCache

use of org.alfresco.jlan.server.filesys.cache.FileStateCache in project alfresco-repository by Alfresco.

the class InFlightCorrectorImpl method correct.

public void correct(FileInfo info, String folderPath) {
    ContentContext tctx = (ContentContext) tree.getContext();
    String path = folderPath + info.getFileName();
    if (tctx.hasStateCache()) {
        FileStateCache cache = tctx.getStateCache();
        FileState fstate = cache.findFileState(path, true);
        if (fstate != null) {
            logger.debug("correct " + path);
            /*
                 * What about stale file state values here?
                 */
            if (fstate.hasFileSize()) {
                if (logger.isDebugEnabled()) {
                    logger.debug("replace file size " + info.getSize() + " with " + fstate.getFileSize());
                }
                info.setFileSize(fstate.getFileSize());
            }
            if (fstate.hasAccessDateTime()) {
                if (logger.isDebugEnabled()) {
                    logger.debug("replace access date " + new Date(info.getAccessDateTime()) + " with " + new Date(fstate.getAccessDateTime()));
                }
                info.setAccessDateTime(fstate.getAccessDateTime());
            }
            if (fstate.hasChangeDateTime()) {
                if (logger.isDebugEnabled()) {
                    logger.debug("replace change date " + new Date(info.getChangeDateTime()) + " with " + new Date(fstate.getChangeDateTime()));
                }
                info.setChangeDateTime(fstate.getChangeDateTime());
            }
            if (fstate.hasModifyDateTime()) {
                if (logger.isDebugEnabled()) {
                    logger.debug("replace modified date " + new Date(info.getModifyDateTime()) + " with " + new Date(fstate.getModifyDateTime()));
                }
                info.setModifyDateTime(fstate.getModifyDateTime());
            }
            if (fstate.hasAllocationSize()) {
                if (logger.isDebugEnabled()) {
                    logger.debug("replace allocation size" + info.getAllocationSize() + " with " + fstate.getAllocationSize());
                }
                info.setAllocationSize(fstate.getAllocationSize());
            }
        }
    }
}

Example 3 with FileStateCache

use of org.alfresco.jlan.server.filesys.cache.FileStateCache in project alfresco-repository by Alfresco.

the class LegacyFileStateDriver method createFile.

@Override
public NetworkFile createFile(SrvSession sess, TreeConnection tree, FileOpenParams params) throws IOException {
    ContentContext tctx = (ContentContext) tree.getContext();
    FileStateCache cache = null;
    FileState fstate = null;
    FileAccessToken token = null;
    if (tctx.hasStateCache()) {
        cache = tctx.getStateCache();
        fstate = tctx.getStateCache().findFileState(params.getPath(), true);
        token = cache.grantFileAccess(params, fstate, FileStatus.NotExist);
        if (logger.isDebugEnabled()) {
            logger.debug("create file created lock token:" + token);
        }
    }
    try {
        NetworkFile newFile = diskInterface.createFile(sess, tree, params);
        int openCount = 1;
        if (newFile instanceof NetworkFileLegacyReferenceCount) {
            NetworkFileLegacyReferenceCount counter = (NetworkFileLegacyReferenceCount) newFile;
            openCount = counter.incrementLegacyOpenCount();
        }
        // This is the create so we store the first access token always
        newFile.setAccessToken(token);
        if (tctx.hasStateCache()) {
            fstate.setProcessId(params.getProcessId());
            fstate.setSharedAccess(params.getSharedAccess());
            // Indicate that the file is open
            fstate.setFileStatus(newFile.isDirectory() ? FileStatus.DirectoryExists : FileStatus.FileExists);
            long allocationSize = params.getAllocationSize();
            if (allocationSize > 0) {
                fstate.setAllocationSize(allocationSize);
                fstate.setFileSize(allocationSize);
            }
            if (newFile instanceof NodeRefNetworkFile) {
                NodeRefNetworkFile x = (NodeRefNetworkFile) newFile;
                x.setFileState(fstate);
            }
            if (newFile instanceof TempNetworkFile) {
                TempNetworkFile x = (TempNetworkFile) newFile;
                x.setFileState(fstate);
            }
        }
        if (newFile instanceof NodeRefNetworkFile) {
            NodeRefNetworkFile x = (NodeRefNetworkFile) newFile;
            x.setProcessId(params.getProcessId());
            x.setAccessToken(token);
        }
        if (newFile instanceof TempNetworkFile) {
            TempNetworkFile x = (TempNetworkFile) newFile;
            x.setAccessToken(token);
        }
        return newFile;
    } catch (IOException ie) {
        if (logger.isDebugEnabled()) {
            logger.debug("create file exception caught", ie);
        }
        if (tctx.hasStateCache() && token != null) {
            if (cache != null && fstate != null && token != null) {
                if (logger.isDebugEnabled()) {
                    logger.debug("create file release lock token:" + token);
                }
                cache.releaseFileAccess(fstate, token);
            }
        }
        throw ie;
    } catch (RuntimeException re) {
        // we could be out of memory or a NPE or some other unforseen situation.  JLAN will complain loudly ... as it should.
        if (logger.isDebugEnabled()) {
            logger.debug("create file exception caught", re);
        }
        if (tctx.hasStateCache() && token != null) {
            if (cache != null && fstate != null && token != null) {
                if (logger.isDebugEnabled()) {
                    logger.debug("create file release lock token:" + token);
                }
                cache.releaseFileAccess(fstate, token);
            }
        }
        throw re;
    }
}

Example 4 with FileStateCache

use of org.alfresco.jlan.server.filesys.cache.FileStateCache in project alfresco-repository by Alfresco.

the class LegacyFileStateDriver method openFile.

@Override
public NetworkFile openFile(SrvSession sess, TreeConnection tree, FileOpenParams params) throws IOException {
    ContentContext tctx = (ContentContext) tree.getContext();
    String path = params.getPath();
    boolean rollbackOpen = false;
    boolean rollbackToken = false;
    boolean rollbackCount = false;
    boolean rollbackSetToken = false;
    FileAccessToken token = null;
    FileStateCache cache = null;
    FileState fstate = null;
    NetworkFile openFile = null;
    if (tctx.hasStateCache()) {
        cache = tctx.getStateCache();
        fstate = tctx.getStateCache().findFileState(params.getPath(), true);
        if (!params.isDirectory()) {
            try {
                token = cache.grantFileAccess(params, fstate, FileStatus.Unknown);
            } catch (IOException e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("UNABLE to grant file access for path:" + path + ", params" + params, e);
                }
                throw e;
            }
            rollbackToken = true;
            if (logger.isDebugEnabled()) {
                logger.debug("open file created lock token:" + token + ", for path:" + path);
            }
        }
    }
    try {
        openFile = diskInterface.openFile(sess, tree, params);
        rollbackOpen = true;
        if (openFile instanceof NetworkFileLegacyReferenceCount) {
            NetworkFileLegacyReferenceCount counter = (NetworkFileLegacyReferenceCount) openFile;
            int legacyOpenCount = counter.incrementLegacyOpenCount();
            if (logger.isDebugEnabled()) {
                logger.debug("openFile: legacyOpenCount: " + legacyOpenCount);
            }
            rollbackCount = true;
        } else {
            logger.debug("openFile does not implement NetworkFileLegacyReferenceCount");
        }
        if (openFile.hasAccessToken()) {
            // already has an access token, release the second token
            if (cache != null && fstate != null && token != null) {
                if (logger.isDebugEnabled()) {
                    logger.debug("already has access token, release lock token:" + token);
                }
                cache.releaseFileAccess(fstate, token);
            }
        } else {
            if (logger.isDebugEnabled()) {
                logger.debug("store access token on open network file object token:" + token);
            }
            // first access token
            openFile.setAccessToken(token);
            rollbackSetToken = true;
        }
        if (tctx.hasStateCache()) {
            fstate = tctx.getStateCache().findFileState(path, true);
            fstate.setProcessId(params.getProcessId());
            fstate.setSharedAccess(params.getSharedAccess());
            // Access date time is read/write time not open time
            // fstate.updateAccessDateTime();
            fstate.setFileSize(openFile.getFileSize());
            fstate.updateChangeDateTime(openFile.getModifyDate());
            fstate.updateModifyDateTime(openFile.getModifyDate());
        }
        if (openFile instanceof ContentNetworkFile) {
            ContentNetworkFile x = (ContentNetworkFile) openFile;
            x.setProcessId(params.getProcessId());
            if (fstate != null) {
                x.setFileState(fstate);
                fstate.setFileStatus(FileStatus.FileExists);
            }
        } else if (openFile instanceof TempNetworkFile) {
            TempNetworkFile x = (TempNetworkFile) openFile;
            if (fstate != null) {
                x.setFileState(fstate);
                fstate.setFileStatus(FileStatus.FileExists);
            }
        } else if (openFile instanceof AlfrescoFolder) {
            AlfrescoFolder x = (AlfrescoFolder) openFile;
            if (fstate != null) {
                x.setFileState(fstate);
                fstate.setFileStatus(FileStatus.DirectoryExists);
            }
        } else if (openFile instanceof NetworkFile) {
            NetworkFile x = (NetworkFile) openFile;
            if (fstate != null) {
                // NetworkFile does not have setFileState
                // x.setFileState(fstate);
                fstate.setFileStatus(FileStatus.FileExists);
            }
        }
        rollbackToken = false;
        rollbackCount = false;
        rollbackSetToken = false;
        rollbackOpen = false;
        if (logger.isDebugEnabled()) {
            logger.debug("successfully opened file:" + openFile);
        }
        return openFile;
    } finally {
        if (rollbackToken) {
            if (logger.isDebugEnabled()) {
                logger.debug("rollback token:" + token);
            }
            if (cache != null && fstate != null && token != null) {
                if (logger.isDebugEnabled()) {
                    logger.debug("open file release lock token:" + token);
                }
                cache.releaseFileAccess(fstate, token);
            }
        }
        if (rollbackCount) {
            if (logger.isDebugEnabled()) {
                logger.debug("rollback legacy open count:" + token);
            }
            if (openFile instanceof NetworkFileLegacyReferenceCount) {
                NetworkFileLegacyReferenceCount counter = (NetworkFileLegacyReferenceCount) openFile;
                counter.decrementLagacyOpenCount();
            }
        }
        if (rollbackSetToken) {
            if (logger.isDebugEnabled()) {
                logger.debug("rollback set access token:" + token);
            }
            openFile.setAccessToken(null);
        }
        if (rollbackOpen) {
            if (logger.isDebugEnabled()) {
                logger.debug("rollback open:" + token);
            }
            diskInterface.closeFile(sess, tree, openFile);
        }
    }
}

Example 5 with FileStateCache

use of org.alfresco.jlan.server.filesys.cache.FileStateCache in project alfresco-repository by Alfresco.

the class LegacyFileStateDriver method setFileInformation.

@Override
public void setFileInformation(SrvSession sess, TreeConnection tree, String name, FileInfo info) throws IOException {
    diskInterface.setFileInformation(sess, tree, name, info);
    ContentContext tctx = (ContentContext) tree.getContext();
    if (tctx.hasStateCache()) {
        FileStateCache cache = tctx.getStateCache();
        FileState fstate = cache.findFileState(name, true);
        // }
        if (info.hasSetFlag(FileInfo.SetModifyDate)) {
            if (logger.isDebugEnabled()) {
                logger.debug("Set modification date in file state cache" + name + ", " + info.getModifyDateTime());
            }
            Date modifyDate = new Date(info.getModifyDateTime());
            fstate.updateModifyDateTime(modifyDate.getTime());
        }
    }
}