def unregisterIaClient(self, channel):
"""
Unregister an Ia client connection:
- purge its subscriptions, if any,
- purge its probe locks, if any,
- remove it from the known clients.
"""
self._lock()
for (uri, clients) in self._subscriptions.items():
if channel in clients:
clients.remove(channel)
# Garbage collection
if len(clients) == 0:
del self._subscriptions[uri]
if channel in self._iaClients:
self._iaClients.remove(channel)
# Locks
unlockedUris = []
for probe in self._probes.values():
if probe['locks'].has_key(channel):
del probe['locks'][channel]
# Keep it for unlocking notification outside the critical section
unlockedUris.append(probe['uri'])
self._unlock()
for uri in unlockedUris:
self.getLogger().info("channel %s unlocked probe %s (on channel disconnection)" % (str(channel), uri))
# Now sends an event over Ia to notify the new state
notification = Messages.Notification("PROBE-EVENT", "system:probes", "Ia", "1.0")
notification.setHeader("Reason", "probe-unlocked")
notification.setApplicationBody({ 'uri': uri })
self._dispatchNotification(notification)
CounterManager.instance().dec("server.tacs.iachannels.current")
def unregisterXcClient(self, channel):
self.getLogger().info("Client %s disconnected from Xc" % str(channel))
self._lock()
for (uri, clients) in self._subscriptions.items():
if channel in clients:
clients.remove(channel)
# Garbage collection
if len(clients) == 0:
del self._subscriptions[uri]
if channel in self._xcClients:
self._xcClients.remove(channel)
self._unlock()
self.getLogger().debug("Client %s purged from Xc registered clients" % str(channel))
CounterManager.instance().dec("server.ts.xcchannels.current")
def unregisterXcClient(self, channel):
self.getLogger().info("Client %s disconnected from Xc" % str(channel))
self._lock()
for (uri, clients) in self._subscriptions.items():
if channel in clients:
clients.remove(channel)
# Garbage collection
if len(clients) == 0:
del self._subscriptions[uri]
if channel in self._xcClients:
self._xcClients.remove(channel)
self._unlock()
self.getLogger().debug("Client %s purged from Xc registered clients" %
str(channel))
CounterManager.instance().dec("server.ts.xcchannels.current")
def registerIaClient(self, channel):
self._lock()
self._iaClients.append(channel)
self._unlock()
CounterManager.instance().inc("server.tacs.iachannels.current")
def registerXcClient(self, channel):
self.getLogger().info("New channel %s connected on Xc" % str(channel))
self._lock()
self._xcClients.append(channel)
self._unlock()
CounterManager.instance().inc("server.ts.xcchannels.current")
def registerXcClient(self, channel):
self.getLogger().info("New channel %s connected on Xc" % str(channel))
self._lock()
self._xcClients.append(channel)
self._unlock()
CounterManager.instance().inc("server.ts.xcchannels.current")
