/**
* 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;
}
/**
* 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;
}
/** Update the deferred packet lease time(s) as we wait for an oplock break or timeout */
public void updateDeferredPacketLease() {
// Check if there are deferred requests
if (m_deferredRequests != null) {
synchronized (m_deferredRequests) {
// Update the packet lease time for all deferred packets to prevent them timing out
long newLeaseTime = System.currentTimeMillis() + CIFSPacketPool.CIFSLeaseTime;
for (DeferredRequest deferReq : m_deferredRequests) {
deferReq.getDeferredPacket().setLeaseTime(newLeaseTime);
}
}
}
}
