/**
* Run the file load file processors
*
* @param context DiskDeviceContext
* @param state FileState
* @param segment FileSegment
*/
protected final void runFileLoadedProcessors(
DiskDeviceContext context, FileState state, FileSegment segment) {
// Check if there are any file processors configured
if (m_fileProcessors == null || m_fileProcessors.numberOfProcessors() == 0) return;
try {
// Run all of the file load processors
for (int i = 0; i < m_fileProcessors.numberOfProcessors(); i++) {
// Get the current file processor
FileProcessor fileProc = m_fileProcessors.getProcessorAt(i);
// Run the file processor
fileProc.processLoadedFile(context, state, segment);
}
// Make sure the file segment is closed after processing
segment.closeFile();
} catch (Exception ex) {
// DEBUG
if (Debug.EnableError && hasDebug()) {
Debug.println("$$ Load file processor exception");
Debug.println(ex);
}
}
}
/**
* File state cache is closing down, any resources attached to the file state must be released.
*
* @param state FileState
*/
public void fileStateClosed(FileState state) {
// DEBUG
if (state == null) {
Debug.println("%%%%% FileLoader.fileStateClosed() state=NULL %%%%%");
return;
}
// Check if the file state has an associated file
FileSegmentInfo segInfo = (FileSegmentInfo) state.findAttribute(DBFileSegmentInfo);
if (segInfo != null
&& segInfo.isQueued() == false
&& segInfo.hasStatus() != FileSegmentInfo.SaveWait) {
try {
// Delete the temporary file
segInfo.deleteTemporaryFile();
// Debug
if (Debug.EnableInfo && hasDebug())
Debug.println("$$ Deleted temporary file " + segInfo.getTemporaryFile() + " [CLOSED] $$");
} catch (IOException ex) {
}
}
}
/** Finalize, check if there are any deferred requests in the list */
public void finalize() {
if (m_deferredRequests != null && m_deferredRequests.size() > 0) {
// Dump out the list of leaked deferred requests
Debug.println("** Deferred requests found during per node finalize, perNode=" + this);
for (DeferredRequest deferReq : m_deferredRequests)
Debug.println("** Leaked deferred request=" + deferReq);
}
}
/**
* Fail any deferred requests that are attached to this oplock, and clear the deferred list
*
* @return int Number of deferred requests that were failed
*/
public int failDeferredRequests() {
// Check if there are any deferred requests
if (m_deferredRequests == null) return 0;
int failCnt = 0;
synchronized (m_deferredRequests) {
for (DeferredRequest deferReq : m_deferredRequests) {
// Get the deferred session/packet details
SMBSrvSession sess = deferReq.getDeferredSession();
SMBSrvPacket pkt = deferReq.getDeferredPacket();
try {
// Return an error for the deferred file open request
if (sess.sendAsyncErrorResponseSMB(pkt, SMBStatus.NTAccessDenied, SMBStatus.NTErr)
== true) {
// Update the failed request count
failCnt++;
// DEBUG
if (Debug.EnableDbg && sess.hasDebug(SMBSrvSession.DBG_OPLOCK))
Debug.println("Oplock break timeout, oplock=" + this);
} else if (Debug.EnableDbg && sess.hasDebug(SMBSrvSession.DBG_OPLOCK))
Debug.println("Failed to send open reject, oplock break timed out, oplock=" + this);
} catch (IOException ex) {
} finally {
// Make sure the packet is released back to the memory pool
if (pkt != null) sess.getPacketPool().releasePacket(pkt);
}
}
// Clear the deferred request list
m_deferredRequests.clear();
}
// Return the count of failed requests
return failCnt;
}
/**
* Add a LANA listener
*
* @param lana int
* @param l LanaListener
*/
public final synchronized void addLanaListener(int lana, LanaListener l) {
// Range check the LANA id
if (lana < 0 || lana > 255) return;
// Check if the listener array has been allocated
if (m_listeners == null) {
int len = LanaListenerArraySize;
if (lana >= len) len = (lana + 4) & 0x00FC;
m_listeners = new LanaListener[len];
} else if (lana >= m_listeners.length) {
// Extend the LANA listener array
LanaListener[] newArray = new LanaListener[(lana + 4) & 0x00FC];
// Copy the existing array to the extended array
System.arraycopy(m_listeners, 0, newArray, 0, m_listeners.length);
m_listeners = newArray;
}
// Add the LANA listener
m_listeners[lana] = l;
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println("[SMB] Win32 NetBIOS register listener for LANA " + lana);
}
/**
* Process the set request
*
* @param rpc RpcPacket
* @return RpcPacket
*/
private final RpcPacket procSet(RpcPacket rpc) {
// Get the call parameters
int progId = rpc.unpackInt();
int verId = rpc.unpackInt();
int proto = rpc.unpackInt();
int port = rpc.unpackInt();
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println(
"[PortMap] Set port program="
+ Rpc.getServiceName(progId)
+ ", version="
+ verId
+ ", protocol="
+ (proto == Rpc.TCP ? "TCP" : "UDP")
+ ", port="
+ port);
// Check if the port is already mapped
PortMapping portMap = findPortMapping(progId, verId, proto);
int portAdded = Rpc.False;
if (portMap == null) {
// Add a mapping for the new service
portMap = new PortMapping(progId, verId, proto, port);
if (addPortMapping(portMap) == true) portAdded = Rpc.True;
}
// Check if the service is on the same port as the current port mapping, and it is not
// an attempt to set the port mapper service port.
else if (progId != PortMapper.ProgramId && portMap.getPort() == port) {
// Settings are the same as the existing service settings so accept it
portAdded = Rpc.True;
}
// Build the response header
rpc.buildResponseHeader();
// Pack a boolean indicating if the port was added, or not
rpc.packInt(portAdded);
rpc.setLength();
// Return the response
return rpc;
}
/**
* Delete the specified file data
*
* @param fname String
* @param fid int
* @param stid int
* @exception IOException
*/
public void deleteFile(String fname, int fid, int stid) throws IOException {
// Delete the file data from the database
try {
// Find the associated file state
FileState fstate = m_stateCache.findFileState(fname, false);
if (fstate != null) {
// Get the file segment details
FileSegmentInfo fileSegInfo = (FileSegmentInfo) fstate.removeAttribute(DBFileSegmentInfo);
if (fileSegInfo != null) {
try {
// Change the file segment status
fileSegInfo.setQueued(false);
fileSegInfo.setStatus(FileSegmentInfo.Initial);
// Delete the temporary file
fileSegInfo.deleteTemporaryFile();
} catch (Exception ex) {
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println(
"## ObjIdLoader failed to delete temp file " + fileSegInfo.getTemporaryFile());
}
}
}
} catch (Exception ex) {
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println("## ObjIdLoader deleteFile() error, " + ex.toString());
}
}
/**
* Decrement the file open count
*
* @return int
*/
public final synchronized int decrementOpenCount() {
// Debug
if (m_openCount <= 0)
Debug.println("@@@@@ File close name=" + getPath() + ", count=" + m_openCount + " <<ERROR>>");
else m_openCount--;
return m_openCount;
}
/**
* Requeue deferred requests to the thread pool for processing, oplock has been released
*
* @return int Number of deferred requests requeued
*/
public int requeueDeferredRequests() {
// Check if there are any deferred requests
if (m_deferredRequests == null) return 0;
int requeueCnt = 0;
synchronized (m_deferredRequests) {
for (DeferredRequest deferReq : m_deferredRequests) {
// Get the deferred session/packet details
SMBSrvSession sess = deferReq.getDeferredSession();
SMBSrvPacket pkt = deferReq.getDeferredPacket();
// DEBUG
if (Debug.EnableDbg && sess.hasDebug(SMBSrvSession.DBG_OPLOCK))
Debug.println(
"Release oplock, queued deferred request to thread pool sess="
+ sess.getUniqueId()
+ ", pkt="
+ pkt);
try {
// Queue the deferred request to the thread pool for processing
sess.getThreadPool().queueRequest(new CIFSThreadRequest(sess, pkt));
} catch (Throwable ex) {
// Failed to queue the request to the thread pool, release the deferred packet back to the
// memory pool
sess.getPacketPool().releasePacket(pkt);
}
}
// Clear the deferred request list
m_deferredRequests.clear();
}
// Return the count of requeued requests
return requeueCnt;
}
/** Static initializer used to load the native code library */
static {
// Check if we are running under 64 bit Windows
String dllName = "Win32Utils";
if (X64.isWindows64()) dllName = "Win32Utilsx64";
// Load the Win32 utils library
try {
System.loadLibrary(dllName);
} catch (Exception ex) {
Debug.println(ex);
}
}
/**
* Process the unset request
*
* @param rpc RpcPacket
* @return RpcPacket
*/
private final RpcPacket procUnSet(RpcPacket rpc) {
// Get the call parameters
int progId = rpc.unpackInt();
int verId = rpc.unpackInt();
int proto = rpc.unpackInt();
int port = rpc.unpackInt();
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println(
"[PortMap] UnSet port program="
+ Rpc.getServiceName(progId)
+ ", version="
+ verId
+ ", protocol="
+ (proto == Rpc.TCP ? "TCP" : "UDP")
+ ", port="
+ port);
// Check if the port is mapped, and it is not an attempt to remove a portmapper portt
PortMapping portMap = findPortMapping(progId, verId, proto);
int portRemoved = Rpc.False;
if (portMap != null && progId != PortMapper.ProgramId) {
// Remove the port mapping
if (removePortMapping(portMap) == true) portRemoved = Rpc.True;
}
// Build the response header
rpc.buildResponseHeader();
// Pack a boolean indicating if the port was removed, or not
rpc.packInt(portRemoved);
rpc.setLength();
// Return the response
return rpc;
}
protected final void shutdownHostAnnouncers() {
if (m_hostAnnouncers.size() > 0) {
for (int idx = 0; idx < m_hostAnnouncers.size(); idx++) {
// Get the current host announcer
HostAnnouncer hostAnnouncer = (HostAnnouncer) m_hostAnnouncers.get(idx);
hostAnnouncer.shutdownAnnouncer();
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println("[NetBIOS] Shutting down host announcer " + hostAnnouncer.getName());
}
}
}
/** Create a new temporary sub-directory */
private final void createNewTempDirectory() {
// Create the starting temporary sub-directory
m_curTempName = m_tempDirName + getTempDirectoryPrefix() + m_curTempIdx++;
m_curTempDir = new File(m_curTempName);
if (m_curTempDir.exists() == false) m_curTempDir.mkdir();
// Clear the temporary file count
m_tempCount = 0;
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println("ObjIdLoader Created new temp directory - " + m_curTempName);
}
/** Start the portmapper server */
public void startServer() {
try {
// Create the UDP RPC handler to accept incoming requests
m_udpHandler =
new UdpRpcDatagramHandler("PortMap", "Port", this, this, null, getPort(), MaxRequestSize);
m_udpHandler.initializeSessionHandler(this);
// Start the UDP request listener is a seperate thread
Thread udpThread = new Thread(m_udpHandler);
udpThread.setName("PortMap_UDP");
udpThread.start();
// Create the TCP RPC handler to accept incoming requests
m_tcpHandler =
new TcpRpcSessionHandler("PortMap", "Port", this, this, null, getPort(), MaxRequestSize);
m_tcpHandler.initializeSessionHandler(this);
// Start the UDP request listener is a seperate thread
Thread tcpThread = new Thread(m_tcpHandler);
tcpThread.setName("PortMap_TCP");
tcpThread.start();
// Add port mapper entries for the portmapper service
PortMapping portMap =
new PortMapping(PortMapper.ProgramId, PortMapper.VersionId, Rpc.UDP, getPort());
addPortMapping(portMap);
portMap = new PortMapping(PortMapper.ProgramId, PortMapper.VersionId, Rpc.TCP, getPort());
addPortMapping(portMap);
} catch (Exception ex) {
Debug.println(ex);
}
}
/**
* Process the get port request
*
* @param rpc RpcPacket
* @return RpcPacket
*/
private final RpcPacket procGetPort(RpcPacket rpc) {
// Get the call parameters
int progId = rpc.unpackInt();
int verId = rpc.unpackInt();
int proto = rpc.unpackInt();
// Find the required port mapping
PortMapping portMap = findPortMapping(progId, verId, proto);
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println(
"[PortMap] Get port program="
+ Rpc.getServiceName(progId)
+ ", version="
+ verId
+ ", protocol="
+ (proto == Rpc.TCP ? "TCP" : "UDP")
+ ", port="
+ (portMap != null ? portMap.getPort() : 0));
// Build the response header
rpc.buildResponseHeader();
// Pack the port number of the requested RPC service, or zero if not found
rpc.packInt(portMap != null ? portMap.getPort() : 0);
rpc.setLength();
// Return the response
return rpc;
}
/**
* Add a deferred session/packet, whilst an oplock break is in progress
*
* @param deferredSess SMBSrvSession
* @param deferredPkt SMBSrvPacket
* @exception DeferFailedException If the session/packet cannot be deferred
*/
public void addDeferredSession(SMBSrvSession deferredSess, SMBSrvPacket deferredPkt)
throws DeferFailedException {
// Allocate the deferred request list, if required
if (m_deferredRequests == null) {
synchronized (this) {
if (m_deferredRequests == null)
m_deferredRequests = new ArrayList<DeferredRequest>(MaxDeferredRequests);
}
}
// Add the request to the list if there are spare slots
synchronized (m_deferredRequests) {
if (m_deferredRequests.size() < MaxDeferredRequests) {
// Add the deferred request to the list
m_deferredRequests.add(new DeferredRequest(deferredSess, deferredPkt));
// Update the deferred processing count for the CIFS packet
deferredPkt.incrementDeferredCount();
// Set the time that the oplock break was sent to the client, if this is the first deferred
// request
if (m_deferredRequests.size() == 1) m_oplockBreakTime = System.currentTimeMillis();
// DEBUG
if (Debug.EnableDbg && deferredSess.hasDebug(SMBSrvSession.DBG_OPLOCK))
Debug.println(
"Added deferred request, list=" + m_deferredRequests.size() + ", oplock=" + this);
} else throw new DeferFailedException("No more deferred slots available on oplock");
}
}
/**
* Process the dump request
*
* @param rpc RpcPacket
* @return RpcPacket
*/
private final RpcPacket procDump(RpcPacket rpc) {
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println("[PortMap] Dump ports request from " + rpc.getClientDetails());
// Build the response
rpc.buildResponseHeader();
// Pack the active port mappings structures
Enumeration enm = m_mappings.elements();
while (enm.hasMoreElements()) {
// Get the current port mapping
PortMapping portMap = (PortMapping) enm.nextElement();
// Pack the port mapping structure
rpc.packInt(Rpc.True);
rpc.packPortMapping(portMap);
}
// Pack the end of list structure, set the response length
rpc.packInt(Rpc.False);
rpc.setLength();
// Return the response
return rpc;
}
/** Thread method */
public void run() {
// Clear the shutdown flag
m_shutdown = false;
// If Winsock NetBIOS is not enabled then initialize the sockets interface
ServerConfiguration config = m_server.getConfiguration();
CIFSConfigSection cifsConfig =
(CIFSConfigSection) config.getConfigSection(CIFSConfigSection.SectionName);
if (cifsConfig.useWinsockNetBIOS() == false) {
try {
NetBIOSSocket.initializeSockets();
} catch (WinsockNetBIOSException ex) {
// DEBUG
if (Debug.EnableError && hasDebug()) {
Debug.println("[SMB] Win32 NetBIOS initialization error");
Debug.println(ex);
}
// Shutdown the LANA monitor thread
m_shutdown = true;
}
}
// Loop until shutdown
BitSet curLanas = new BitSet();
while (m_shutdown == false) {
// Wait for a network address change event
Win32NetBIOS.waitForNetworkAddressChange();
// Check if the monitor has been closed
if (m_shutdown == true) continue;
// Clear the current active LANA bit set
curLanas.clear();
// Get the available LANA list
int[] lanas = Win32NetBIOS.LanaEnumerate();
if (lanas != null) {
// Check if there are any new LANAs available
Win32NetBIOSSessionSocketHandler sessHandler = null;
for (int i = 0; i < lanas.length; i++) {
// Get the current LANA id, check if it's a known LANA
int lana = lanas[i];
curLanas.set(lana, true);
if (m_lanas.get(lana) == false) {
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println("[SMB] Win32 NetBIOS found new LANA, " + lana);
// Create a single Win32 NetBIOS session handler using the specified LANA
sessHandler = new Win32NetBIOSSessionSocketHandler(m_server, lana, hasDebug());
try {
sessHandler.initializeSessionHandler(m_server);
} catch (Exception ex) {
// DEBUG
if (Debug.EnableError && hasDebug()) {
Debug.println(
"[SMB] Win32 NetBIOS failed to create session handler for LANA " + lana);
Debug.println(ex);
}
// Clear the session handler
sessHandler = null;
}
// If the session handler was initialized successfully add it to the
// SMB/CIFS server
if (sessHandler != null) {
// Add the session handler to the SMB/CIFS server
// m_server.addSessionHandler(sessHandler);
// Run the NetBIOS session handler in a seperate thread
Thread nbThread = new Thread(sessHandler);
nbThread.setName("Win32NB_Handler_" + lana);
nbThread.start();
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println("[SMB] Win32 NetBIOS created session handler on LANA " + lana);
// Check if a host announcer should be enabled
if (cifsConfig.hasWin32EnableAnnouncer()) {
// Create a host announcer
Win32NetBIOSHostAnnouncer hostAnnouncer =
new Win32NetBIOSHostAnnouncer(
sessHandler,
cifsConfig.getDomainName(),
cifsConfig.getWin32HostAnnounceInterval());
// Add the host announcer to the SMB/CIFS server list
addHostAnnouncer(hostAnnouncer);
hostAnnouncer.start();
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println("[SMB] Win32 NetBIOS host announcer enabled on LANA " + lana);
}
// Set the LANA in the available LANA list, and set the current status
// to online
m_lanas.set(lana);
m_lanaSts.set(lana, true);
}
} else {
// Check if the LANA has just come back online
if (m_lanaSts.get(lana) == false) {
// Change the LANA status to indicate the LANA is back online
m_lanaSts.set(lana, true);
// Inform the listener that the LANA is back online
if (m_listeners != null && lana < m_listeners.length && m_listeners[lana] != null)
m_listeners[lana].lanaStatusChange(lana, true);
// DEBUG
if (Debug.EnableError && hasDebug())
Debug.println("[SMB] Win32 NetBIOS LANA online - " + lana);
}
}
}
// Check if there are any LANAs that have gone offline
for (int i = 0; i < m_lanaSts.length(); i++) {
if (curLanas.get(i) == false && m_lanaSts.get(i) == true) {
// DEBUG
if (Debug.EnableError && hasDebug())
Debug.println("[SMB] Win32 NetBIOS LANA offline - " + i);
// Change the LANA status
m_lanaSts.set(i, false);
// Check if there is an associated listener for the LANA
if (m_listeners != null && m_listeners[i] != null) {
// Notify the LANA listener that the LANA is now offline
m_listeners[i].lanaStatusChange(i, false);
}
}
}
} else if (m_lanaSts.length() == 0) {
// No network devices, sleep for a while as waitForNetworkAddressChange() does not
// wait
// if there are no network devices
try {
Thread.sleep(10000);
} catch (InterruptedException e) {
}
}
}
}
/**
* Create a file segment to load/save the file data
*
* @param state FileState
* @param params FileOpenParams
* @param fname String
* @param fid int
* @param stid int
* @param did int
* @return CachedNetworkFile
* @exception IOException
*/
private final CachedNetworkFile createNetworkFile(
FileState state, FileOpenParams params, String fname, int fid, int stid, int did)
throws IOException {
// The file state is used to synchronize the creation of the file segment as there may be other
// sessions opening the file at the same time. We have to be careful that only one thread
// creates the
// file segment.
FileSegment fileSeg = null;
CachedNetworkFile netFile = null;
synchronized (state) {
// Check if the file segment has been attached to the file state
FileSegmentInfo fileSegInfo = (FileSegmentInfo) state.findAttribute(DBFileSegmentInfo);
if (fileSegInfo == null) {
// Check if we need to create a new temporary sub-drectory
if (m_tempCount++ >= m_tempMax) createNewTempDirectory();
// Create a unique temporary file name
StringBuffer tempName = new StringBuffer();
tempName.append(getTempFilePrefix());
tempName.append(fid);
if (stid > 0) {
tempName.append("_");
tempName.append(stid);
// DEBUG
if (Debug.EnableInfo && hasDebug()) Debug.println("## Temp file for stream ##");
}
tempName.append(".tmp");
// Create a new file segment
fileSegInfo = new FileSegmentInfo();
fileSeg =
FileSegment.createSegment(
fileSegInfo, tempName.toString(), m_curTempDir, params.isReadOnlyAccess() == false);
// Add the segment to the file state cache
state.addAttribute(DBFileSegmentInfo, fileSegInfo);
// Check if the file is zero length, if so then set the file segment state to indicate it is
// available
DBFileInfo finfo = (DBFileInfo) state.findAttribute(FileState.FileInformation);
if (finfo != null && finfo.getSize() == 0) fileSeg.setStatus(FileSegmentInfo.Available);
} else {
// Create the file segment to map to the existing temporary file
fileSeg = new FileSegment(fileSegInfo, params.isReadOnlyAccess() == false);
// Check if the temporary file exists, if not then create it
File tempFile = new File(fileSeg.getTemporaryFile());
if (tempFile.exists() == false) {
// Create the temporary file
tempFile.createNewFile();
// Reset the file segment state to indicate a file load is required
fileSeg.setStatus(FileSegmentInfo.Initial);
}
}
// Create the new network file
netFile =
new CachedNetworkFile(
fname, fid, stid, did, m_stateCache.getFileStateProxy(state), fileSeg, this);
netFile.setGrantedAccess(
params.isReadOnlyAccess() ? NetworkFile.READONLY : NetworkFile.READWRITE);
netFile.setSequentialOnly(params.isSequentialAccessOnly());
netFile.setAttributes(params.getAttributes());
netFile.setFullName(params.getPath());
if (stid != 0) netFile.setStreamName(params.getStreamName());
}
// Return the network file
return netFile;
}
/**
* Store a file
*
* @param req FileRequest
* @return int
* @exception Exception
*/
public int storeFile(FileRequest req) throws Exception {
// Check for a single file request
int saveSts = StsError;
SingleFileRequest saveReq = (SingleFileRequest) req;
// Check if the temporary file still exists, if not then the file has been deleted from the
// filesystem
File tempFile = new File(saveReq.getTemporaryFile());
FileSegment fileSeg = findFileSegmentForPath(saveReq.getVirtualPath());
if (tempFile.exists() == false || fileSeg == null) {
// DEBUG
if (Debug.EnableInfo && hasDebug()) Debug.println(" Temporary file deleted");
// Return an error status
return StsError;
}
// Run any file store processors
runFileStoreProcessors(m_dbCtx, saveReq.getFileState(), fileSeg);
// Update the segment status, and clear the updated flag
fileSeg.setStatus(FileSegmentInfo.Saving);
fileSeg.getInfo().setUpdated(false);
// Save the file data
try {
// Save the file data and get the assigned object id
String objectId =
saveFileData(saveReq.getFileId(), saveReq.getStreamId(), fileSeg, req.getAttributes());
// Save the object id to the mapping database
getDBObjectIdInterface().saveObjectId(saveReq.getFileId(), saveReq.getStreamId(), objectId);
// Indicate that the save was successful
saveSts = StsSuccess;
} catch (DBException ex) {
// DEBUG
if (Debug.EnableError && hasDebug()) Debug.println(ex);
// Indicate the file save failed
saveSts = StsError;
} catch (IOException ex) {
// DEBUG
if (Debug.EnableError && hasDebug()) Debug.println(ex);
// Indicate the file save failed
saveSts = StsError;
}
// Update the segment status
if (saveSts == StsSuccess) fileSeg.setStatus(FileSegmentInfo.Saved, false);
else fileSeg.setStatus(FileSegmentInfo.Error, false);
// Return the data save status
return saveSts;
}
/** Run the CIFS request */
public void runRequest() {
// Check if the session is still alive
if (m_sess.isShutdown() == false) {
SMBSrvPacket smbPkt = null;
try {
// Get the packet handler and read in the CIFS request
WinsockNetBIOSPacketHandler pktHandler =
(WinsockNetBIOSPacketHandler) m_sess.getPacketHandler();
smbPkt = pktHandler.readPacket();
// Clear the read in progress flag for the session
m_sess.setReadInProgress(false);
// DEBUG
// Debug.println("[SMB] Read packet, sess=" + m_sess.getUniqueId() + " ,pkt=" + smbPkt);
// If the request packet is not valid then close the session
if (smbPkt == null) {
// Close the session
m_sess.hangupSession("Client closed socket");
} else {
// Re-enable read events for this socket channel
// m_reqHandler.requeueSocketEvent( m_socketEvent,
// pktHandler.getSocket().getSocket());
}
// Process the CIFS request
m_sess.processPacket(smbPkt);
smbPkt = null;
// Process any asynchronous packets (oplock breaks and change notifications)
int asyncCnt = m_sess.sendQueuedAsyncResponses();
// DEBUG
if (asyncCnt > 0 && Debug.EnableInfo && m_sess.hasDebug(SMBSrvSession.DBG_SOCKET))
Debug.println(
"Sent queued async packets (JNI/NIO) count="
+ asyncCnt
+ ", sess="
+ m_sess.getUniqueId()
+ ", addr="
+ m_sess.getRemoteAddress().getHostAddress());
} catch (Throwable ex) {
Debug.println(ex);
} finally {
// Make sure the request packet is returned to the pool
if (smbPkt != null) m_sess.getPacketPool().releasePacket(smbPkt);
}
}
}
/**
* 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);
}
}
}
/**
* Create a network file for the specified file
*
* @param params FileOpenParams
* @param fid int
* @param stid int
* @param did int
* @param create boolean
* @param dir boolean
* @exception IOException
* @exception FileNotFoundException
*/
public NetworkFile openFile(
FileOpenParams params, int fid, int stid, int did, boolean create, boolean dir)
throws IOException, FileNotFoundException {
// Split the file name to get the name only
String[] paths = FileName.splitPath(params.getPath());
String name = paths[1];
if (params.isStream()) name = name + params.getStreamName();
// Find, or create, the file state for the file/directory
FileState fstate = m_stateCache.findFileState(params.getFullPath(), true);
fstate.setExpiryTime(System.currentTimeMillis() + m_stateCache.getFileStateExpireInterval());
// Check if the file is a directory
DBNetworkFile netFile = null;
if (dir == false) {
// Create the network file and associated file segment
CachedNetworkFile cacheFile = createNetworkFile(fstate, params, name, fid, stid, did);
netFile = cacheFile;
// Check if the file is being opened for sequential access and the data has not yet been
// loaded
FileSegment fileSeg = cacheFile.getFileSegment();
if (create == true || params.isOverwrite() == true) {
// Indicate that the file data is available, this is a new file or the existing file is
// being
// overwritten so there is no data to load.
fileSeg.setStatus(FileSegmentInfo.Available);
} else if (params.isSequentialAccessOnly() && fileSeg.isDataLoading() == false) {
synchronized (cacheFile.getFileState()) {
// Create the temporary file
cacheFile.openFile(create);
cacheFile.closeFile();
// Queue a file data load request
if (fileSeg.isDataLoading() == false)
queueFileRequest(
new SingleFileRequest(
FileRequest.LOAD,
cacheFile.getFileId(),
cacheFile.getStreamId(),
fileSeg.getInfo(),
cacheFile.getFullName(),
fstate));
}
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println(
"ObjIdLoader Queued file load, SEQUENTIAL access, file=" + cacheFile.getFullName());
}
} else {
// Create a placeholder network file for the directory
netFile = new DirectoryNetworkFile(name, fid, did, m_stateCache.getFileStateProxy(fstate));
// Debug
if (Debug.EnableInfo && hasDebug())
Debug.println("ObjIdLoader.openFile() DIR name=" + name + ", state=" + fstate);
}
// Return the network file
return netFile;
}
/**
* Start the file loader
*
* @param ctx DeviceContext
*/
public void startLoader(DeviceContext ctx) {
// Get the file state cache from the context
m_stateCache = getContext().getStateCache();
// Add the file loader as a file state listener so that we can cleanup temporary data files
m_stateCache.addStateListener(this);
// Get the database interface
DBQueueInterface dbQueue = null;
if (getContext().getDBInterface() instanceof DBQueueInterface)
dbQueue = (DBQueueInterface) getContext().getDBInterface();
else throw new RuntimeException("Database interface does not implement queue interface");
// Perform a queue cleanup before starting the thread pool. This will check the temporary cache
// area and delete
// files that are not part of a queued save/transaction save request.
FileRequestQueue recoveredQueue = null;
try {
// Cleanup the temporary cache area and queue
recoveredQueue =
dbQueue.performQueueCleanup(m_tempDir, TempDirPrefix, TempFilePrefix, JarFilePrefix);
// DEBUG
if (recoveredQueue != null && Debug.EnableInfo && hasDebug())
Debug.println(
"[DBLoader] Cleanup recovered "
+ recoveredQueue.numberOfRequests()
+ " pending save files");
} catch (DBException ex) {
// DEBUG
if (Debug.EnableError && hasDebug()) Debug.println(ex);
}
// Check if there are any file save requests pending in the queue database
FileRequestQueue saveQueue = new FileRequestQueue();
try {
dbQueue.loadFileRequests(1, FileRequest.SAVE, saveQueue, 1);
} catch (DBException ex) {
}
// Create the background load/save thread pool
m_backgroundLoader = new BackgroundLoadSave("DBLdr", dbQueue, m_stateCache, this);
m_backgroundLoader.setReadWorkers(m_readWorkers);
m_backgroundLoader.setWriteWorkers(m_writeWorkers);
m_backgroundLoader.setDebug(m_threadDebug);
// Start the file loader threads, start the request loading if there are pending file save
// requests
m_backgroundLoader.startThreads(saveQueue.numberOfRequests());
// Queue the recovered file save requests
if (recoveredQueue != null) {
// Queue the file save requests
while (recoveredQueue.numberOfRequests() > 0)
queueFileRequest(recoveredQueue.removeRequestNoWait());
}
}
/**
* File state has expired. The listener can control whether the file state is removed from the
* cache, or not.
*
* @param state FileState
* @return true to remove the file state from the cache, or false to leave the file state in the
* cache
*/
public boolean fileStateExpired(FileState state) {
// Check if the file state has an associated file segment
FileSegmentInfo segInfo = (FileSegmentInfo) state.findAttribute(DBFileSegmentInfo);
boolean expire = true;
if (segInfo != null) {
// Check if the file has a request queued
if (segInfo.isQueued() == false) {
try {
// Delete the temporary file and reset the segment status so that the data may be loaded
// again
// if required.
if (segInfo.hasStatus() != FileSegmentInfo.Initial) {
// Delete the temporary file
try {
segInfo.deleteTemporaryFile();
} catch (IOException ex) {
// DEBUG
if (Debug.EnableError) {
Debug.println("Delete temp file error: " + ex.toString());
File tempFile = new File(segInfo.getTemporaryFile());
Debug.println(
" TempFile file="
+ tempFile.getAbsolutePath()
+ ", exists="
+ tempFile.exists());
Debug.println(" FileState state=" + state);
Debug.println(" FileSegmentInfo segInfo=" + segInfo);
Debug.println(" StateCache size=" + m_stateCache.numberOfStates());
}
}
// Remove the file segment, reset the file segment back to the initial state
state.removeAttribute(DBFileSegmentInfo);
segInfo.setStatus(FileSegmentInfo.Initial);
// Reset the file state to indicate file data load required
state.setDataStatus(FileState.FILE_LOADWAIT);
// Check if the temporary file sub-directory is now empty, and it is not the current
// temporary
// sub-directory
if (segInfo.getTemporaryFile().startsWith(m_curTempName) == false) {
// Check if the sub-directory is empty
File tempFile = new File(segInfo.getTemporaryFile());
File subDir = tempFile.getParentFile();
String[] files = subDir.list();
if (files == null || files.length == 0) {
// Delete the sub-directory
subDir.delete();
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println(
"$$ Deleted temporary directory "
+ subDir.getPath()
+ ", curTempName="
+ m_curTempName
+ ", tempFile="
+ segInfo.getTemporaryFile());
}
}
// Indicate that the file state should not be deleted
expire = false;
// Debug
if (Debug.EnableInfo && hasDebug())
Debug.println(
"$$ Deleted temporary file " + segInfo.getTemporaryFile() + " [EXPIRED] $$");
}
// If the file state is not to be deleted reset the file state expiration timer
if (expire == false)
state.setExpiryTime(
System.currentTimeMillis() + m_stateCache.getFileStateExpireInterval());
} catch (Exception ex) {
// DEBUG
if (Debug.EnableError) {
Debug.println("$$ " + ex.toString());
Debug.println(" state=" + state);
}
}
} else {
// DEBUG
if (hasDebug()) {
File tempFile = new File(segInfo.getTemporaryFile());
if (tempFile.exists() == false) {
Debug.println("== Skipped file state, queued " + state);
Debug.println(" File seg=" + segInfo);
}
}
// File state is queued, do not expire
expire = false;
}
} else if (state.isDirectory()) {
// Nothing to do when it's a directory, just allow it to expire
expire = true;
} else if (Debug.EnableInfo && hasDebug()) Debug.println("$$ Expiring state=" + state);
// Return true if the file state can be expired
return expire;
}
/**
* Load a file
*
* @param req FileRequest
* @return int
* @exception Exception
*/
public int loadFile(FileRequest req) throws Exception {
// DEBUG
long startTime = 0L;
SingleFileRequest loadReq = (SingleFileRequest) req;
if (Debug.EnableInfo && hasDebug()) {
Debug.println(
"## ObjIdLoader loadFile() req="
+ loadReq.toString()
+ ", thread="
+ Thread.currentThread().getName());
startTime = System.currentTimeMillis();
}
// Check if the temporary file still exists, if not then the file has been deleted from the
// filesystem
File tempFile = new File(loadReq.getTemporaryFile());
FileSegment fileSeg = findFileSegmentForPath(loadReq.getVirtualPath());
if (tempFile.exists() == false || fileSeg == null) {
// DEBUG
if (Debug.EnableInfo && hasDebug()) Debug.println(" Temporary file deleted");
// Return an error status
fileSeg.setStatus(FileSegmentInfo.Error, false);
return StsError;
}
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println(
"## ObjIdLoader fileSeg="
+ fileSeg.getTemporaryFile()
+ ", virtPath="
+ loadReq.getVirtualPath());
// Load the file data
int loadSts = StsRequeue;
String objectId = null;
int fileId = loadReq.getFileId();
int strmId = loadReq.getStreamId();
try {
// Update the segment status
fileSeg.setStatus(FileSegmentInfo.Loading);
// Get the object id for the file
objectId = getDBObjectIdInterface().loadObjectId(fileId, strmId);
if (objectId != null) {
// Load the file data
loadFileData(fileId, strmId, objectId, fileSeg);
// Set the load status
loadSts = StsSuccess;
// DEBUG
if (Debug.EnableInfo && hasDebug()) {
long endTime = System.currentTimeMillis();
Debug.println(
"## ObjIdLoader loaded fid="
+ loadReq.getFileId()
+ ", stream="
+ loadReq.getStreamId()
+ ", time="
+ (endTime - startTime)
+ "ms");
}
} else {
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println(
"## ObjIdLoader No object id mapping for fid="
+ loadReq.getFileId()
+ ", stream="
+ loadReq.getStreamId());
// Indicate a load success
loadSts = StsSuccess;
}
} catch (DBException ex) {
// DEBUG
if (Debug.EnableError && hasDebug()) Debug.println(ex);
// Indicate the file load failed
loadSts = StsError;
} catch (FileOfflineException ex) {
// DEBUG
if (Debug.EnableError && hasDebug()) Debug.println(ex);
// Indicate the file load failed
loadSts = StsError;
} catch (IOException ex) {
// DEBUG
if (Debug.EnableError && hasDebug()) Debug.println(ex);
// Indicate the file load failed
loadSts = StsRequeue;
} catch (Exception ex) {
// DEBUG
if (Debug.EnableError && hasDebug()) Debug.println(ex);
// Indicate the file load failed
loadSts = StsError;
}
// Clear the last modified date/time of the temporary file to indicate it has not been updated
tempFile.setLastModified(0L);
// Check if the file was loaded successfully
if (loadSts == StsSuccess) {
// Signal that the file data is available
fileSeg.signalDataAvailable();
// Update the file status
fileSeg.setStatus(FileSegmentInfo.Available, false);
// Run the file load processors
runFileLoadedProcessors(getContext(), loadReq.getFileState(), fileSeg);
} else if (loadSts == StsError) {
// Set the file status to indicate error to any client reading threads
fileSeg.setStatus(FileSegmentInfo.Error, false);
// Wakeup any threads waiting on data for this file
fileSeg.setReadableLength(0L);
fileSeg.signalDataAvailable();
// Delete the temporary file
fileSeg.deleteTemporaryFile();
}
// Return the load file status
return loadSts;
}
/**
* Process a \PIPE\LANMAN transaction request.
*
* @param tbuf Transaction setup, parameter and data buffers
* @param sess SMB server session that received the transaction.
* @param trans Packet to use for reply
* @return true if the transaction has been handled, else false.
* @exception java.io.IOException The exception description.
* @exception org.alfresco.aifs.smb.SMBSrvException The exception description.
*/
public static final boolean processRequest(
TransactBuffer tbuf, SMBSrvSession sess, SMBSrvPacket trans)
throws IOException, SMBSrvException {
// Create a transaction packet
SMBSrvTransPacket tpkt = new SMBSrvTransPacket(trans.getBuffer());
// Get the transaction command code, parameter descriptor and data descriptor strings from
// the parameter block.
DataBuffer paramBuf = tbuf.getParameterBuffer();
int cmd = paramBuf.getShort();
String prmDesc = paramBuf.getString(false);
String dataDesc = paramBuf.getString(false);
// Debug
if (Debug.EnableInfo && sess.hasDebug(SMBSrvSession.DBG_IPC))
sess.debugPrintln(
"\\PIPE\\LANMAN\\ transact request, cmd="
+ cmd
+ ", prm="
+ prmDesc
+ ", data="
+ dataDesc);
// Call the required transaction handler
boolean processed = false;
switch (cmd) {
// Share
case PacketType.RAPShareEnum:
processed = procNetShareEnum(sess, tbuf, prmDesc, dataDesc, tpkt);
break;
// Get share information
case PacketType.RAPShareGetInfo:
processed = procNetShareGetInfo(sess, tbuf, prmDesc, dataDesc, tpkt);
break;
// Workstation information
case PacketType.RAPWkstaGetInfo:
processed = procNetWkstaGetInfo(sess, tbuf, prmDesc, dataDesc, tpkt);
break;
// Server information
case PacketType.RAPServerGetInfo:
processed = procNetServerGetInfo(sess, tbuf, prmDesc, dataDesc, tpkt);
break;
// Print queue information
case PacketType.NetPrintQGetInfo:
processed = procNetPrintQGetInfo(sess, tbuf, prmDesc, dataDesc, tpkt);
break;
// No handler
default:
// Debug
if (Debug.EnableInfo && sess.hasDebug(SMBSrvSession.DBG_IPC))
sess.debugPrintln(
"No handler for \\PIPE\\LANMAN\\ request, cmd="
+ cmd
+ ", prm="
+ prmDesc
+ ", data="
+ dataDesc);
break;
}
// Check if the transaction packet has allocated an associated packet from the pool, we need to
// copy the associated packet
// to the outer request packet so that it is released back to the pool.
if (tpkt.hasAssociatedPacket()) {
Debug.println(
"[SMB] PipeLanManHandler allocated associated packet, len="
+ tpkt.getAssociatedPacket().getBufferLength());
// Copy the associated packet to the outer request packet
trans.setAssociatedPacket(tpkt.getAssociatedPacket());
tpkt.setAssociatedPacket(null);
}
// Return the transaction processed status
return processed;
}
