/**
* Get the driver state from the session.
*
* @param sess
* @return the driver state.
*/
private DriverState getDriverState(SrvSession sess) {
synchronized (sess) {
// Get the driver state
Object state = sess.getDriverState();
if (state == null) {
state = new DriverState();
sess.setDriverState(state);
if (logger.isDebugEnabled()) {
logger.debug("new driver state created");
}
}
DriverState driverState = (DriverState) state;
return driverState;
}
}
/**
* Check if the domain name matches the access control domain name and return the allowed access.
*
* @param sess SrvSession
* @param share SharedDevice
* @param mgr AccessControlManager
* @return int
*/
public int allowsAccess(SrvSession sess, SharedDevice share, AccessControlManager mgr) {
// Check if the session has client information
if (sess.hasClientInformation() == false || sess instanceof SMBSrvSession == false)
return Default;
// Check if the domain name matches the access control name
ClientInfo cInfo = sess.getClientInformation();
if (cInfo.getDomain() != null && cInfo.getDomain().equalsIgnoreCase(getName()))
return getAccess();
return Default;
}
/**
* Release space to the free space for the filesystem.
*
* @param sess SrvSession
* @param tree TreeConnection
* @param fid int
* @param path String
* @param alloc long
* @exception IOException
*/
public void releaseSpace(SrvSession sess, TreeConnection tree, int fid, String path, long alloc)
throws IOException {
// Check if content usage is enabled
if (m_usageService.getEnabled() == false) return;
// Check if there is a live usage record for the user
UserQuotaDetails userQuota = getQuotaDetails(sess, true);
if (userQuota != null) {
synchronized (userQuota) {
// Release the space from the live usage value
userQuota.subtractFromCurrentUsage(alloc);
}
// DEBUG
if (logger.isDebugEnabled())
logger.debug("Released " + alloc + " bytes, userQuota=" + userQuota);
} else if (logger.isDebugEnabled())
logger.debug("Failed to release " + alloc + " bytes for sess " + sess.getUniqueId());
}
/**
* Allocate space on the filesystem.
*
* @param sess SrvSession
* @param tree TreeConnection
* @param file NetworkFile
* @param alloc long requested allocation size
* @return long granted allocation size
* @exception IOException
*/
public long allocateSpace(SrvSession sess, TreeConnection tree, NetworkFile file, long alloc)
throws IOException {
// Check if content usage is enabled
if (m_usageService.getEnabled() == false) return alloc;
// Check if there is a live usage record for the user
UserQuotaDetails userQuota = getQuotaDetails(sess, true);
long allowedAlloc = 0L;
if (userQuota != null) {
// Check if the user has a usage quota
synchronized (userQuota) {
if (userQuota.hasUserQuota()) {
// Check if the user has enough free space allocation
if (alloc > 0 && userQuota.getAvailableSpace() >= alloc) {
userQuota.addToCurrentUsage(alloc);
allowedAlloc = alloc;
}
} else {
// Update the live usage
userQuota.addToCurrentUsage(alloc);
allowedAlloc = alloc;
}
}
} else if (logger.isDebugEnabled())
logger.debug("Failed to allocate " + alloc + " bytes for sess " + sess.getUniqueId());
// Check if the allocation was allowed
if (allowedAlloc < alloc) {
// DEBUG
if (logger.isDebugEnabled()) logger.debug("Allocation failed userQuota=" + userQuota);
throw new DiskFullException();
} else if (logger.isDebugEnabled())
logger.debug("Allocated " + alloc + " bytes, userQuota=" + userQuota);
// Return the allocation size
return allowedAlloc;
}
/**
* Close the network file
*
* @param sess SrvSession
* @param netFile NetworkFile
* @exception IOException
*/
public void closeFile(SrvSession sess, NetworkFile netFile) throws IOException {
// Close the cached network file
if (netFile instanceof CachedNetworkFile) {
// Get the cached network file
CachedNetworkFile cacheFile = (CachedNetworkFile) netFile;
cacheFile.closeFile();
// Get the file segment details
FileSegment fileSeg = cacheFile.getFileSegment();
// Check if the file data has been updated, if so then queue a file save
if (fileSeg.isUpdated() && netFile.hasDeleteOnClose() == false) {
// Set the modified date/time and file size for the file
File tempFile = new File(fileSeg.getTemporaryFile());
netFile.setModifyDate(tempFile.lastModified());
netFile.setFileSize(tempFile.length());
// Queue a file save request to save the data back to the repository, if not already queued
if (fileSeg.isSaveQueued() == false) {
// Create a file save request for the updated file segment
SingleFileRequest fileReq =
new SingleFileRequest(
FileRequest.SAVE,
cacheFile.getFileId(),
cacheFile.getStreamId(),
fileSeg.getInfo(),
netFile.getFullName(),
cacheFile.getFileState());
// Check if there are any attributes to be added to the file request
if (hasRequiredAttributes() && sess != null) {
// Check if the user name is required
if (m_reqAttributes.containsString(FileRequest.AttrUserName)) {
// Add the user name attribute
ClientInfo cInfo = sess.getClientInformation();
String userName = "";
if (cInfo != null && cInfo.getUserName() != null) userName = cInfo.getUserName();
fileReq.addAttribute(new NameValue(FileRequest.AttrUserName, userName));
}
// Check if the protocol type is required
if (m_reqAttributes.containsString(FileRequest.AttrProtocol)) {
// Add the protocol type attribute
fileReq.addAttribute(new NameValue(FileRequest.AttrProtocol, sess.getProtocolName()));
}
}
// Set the file segment status
fileSeg.setStatus(FileSegmentInfo.SaveWait, true);
// Queue the file save request
queueFileRequest(fileReq);
} else if (Debug.EnableInfo && hasDebug()) {
// DEBUG
Debug.println("## FileLoader Save already queued for " + fileSeg);
}
}
// Update the cache timeout for the temporary file if there are no references to the file. If
// the file was
// opened for sequential access only it will be expired quicker.
else if (cacheFile.getFileState().getOpenCount() == 0) {
// If the file was opened for sequential access only then we can delete it from the
// temporary area
// sooner
long tmo = System.currentTimeMillis();
if (cacheFile.isSequentialOnly()) tmo += SequentialFileExpire;
else tmo += m_stateCache.getFileStateExpireInterval();
// Set the file state expiry, the local file data will be deleted when the file state
// expires (if there
// are still no references to the file).
cacheFile.getFileState().setExpiryTime(tmo);
}
// If the database is not online and the file is marked for delete then queue a delete file
// request to do
// the
// delete when the database is back online
if (m_dbCtx.isAvailable() == false && netFile.hasDeleteOnClose()) {
// Queue an offline delete request for the file
DeleteFileRequest deleteReq =
new DeleteFileRequest(
cacheFile.getFileId(),
cacheFile.getStreamId(),
fileSeg.getTemporaryFile(),
cacheFile.getFullNameStream(),
cacheFile.getFileState());
m_dbCtx.addOfflineFileDelete(deleteReq);
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println("## FileLoader queued offline delete, " + deleteReq);
}
}
}
