/** Request the LANA monitor thread to shutdown */
public final void shutdownRequest() {
m_shutdown = true;
// If Winsock NetBIOS is being used shutdown the Winsock interface
if (m_server.getCIFSConfiguration().useWinsockNetBIOS()) NetBIOSSocket.shutdownSockets();
// Interrupt the LANA monitor thread
this.interrupt();
// Clear the global LANA monitor, if this is the global monitor
if (this == _lanaMonitor) _lanaMonitor = null;
shutdownHostAnnouncers();
}
/** 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) {
}
}
}
}