def load(self):
"""Load from the ServerConfig.
Note:
This should be automatically called when Evennia starts.
It populates `self.tasks` according to the ServerConfig.
"""
to_save = False
value = ServerConfig.objects.conf("delayed_tasks", default={})
if isinstance(value, basestring):
tasks = dbunserialize(value)
else:
tasks = value
# At this point, `tasks` contains a dictionary of still-serialized tasks
for task_id, value in tasks.items():
date, callback, args, kwargs = dbunserialize(value)
if isinstance(callback, tuple):
# `callback` can be an object and name for instance methods
obj, method = callback
if obj is None:
to_save = True
continue
callback = getattr(obj, method)
self.tasks[task_id] = (date, callback, args, kwargs)
if to_save:
self.save()
def load(self):
"""Load from the ServerConfig.
Note:
This should be automatically called when Evennia starts.
It populates `self.tasks` according to the ServerConfig.
"""
to_save = False
value = ServerConfig.objects.conf("delayed_tasks", default={})
if isinstance(value, str):
tasks = dbunserialize(value)
else:
tasks = value
# At this point, `tasks` contains a dictionary of still-serialized tasks
for task_id, value in tasks.items():
date, callback, args, kwargs = dbunserialize(value)
if isinstance(callback, tuple):
# `callback` can be an object and name for instance methods
obj, method = callback
if obj is None:
to_save = True
continue
callback = getattr(obj, method)
self.tasks[task_id] = (date, callback, args, kwargs)
if to_save:
self.save()
def restore(self):
"""
Called when the handler recovers after a Server reload. Called
by the Server process as part of the reload upstart. Here we
overload the tickerhandler's restore method completely to make
sure we correctly re-apply and re-initialize the correct
monitor and repeater objecth on all saved objects.
"""
# load the oob monitors and initialize them
oob_storage = ServerConfig.objects.conf(key=self.oob_save_name)
if oob_storage:
self.oob_storage = dbunserialize(oob_storage)
for store_key, (args, kwargs) in self.oob_storage.items():
# re-create the monitors
obj, sessid, fieldname, oobfuncname = store_key
obj = unpack_dbobj(obj)
self._add_monitor(obj, sessid, fieldname, oobfuncname, *args, **kwargs)
# handle the tickers (same as in TickerHandler except we call
# the add_repeater method which makes sure to add the hooks before
# starting the tickerpool)
ticker_storage = ServerConfig.objects.conf(key=self.save_name)
if ticker_storage:
self.ticker_storage = dbunserialize(ticker_storage)
for store_key, (args, kwargs) in self.ticker_storage.items():
obj, interval, idstring = store_key
obj = unpack_dbobj(obj)
# we saved these in add_repeater before, can now retrieve them
sessid = kwargs["_sessid"]
oobfuncname = kwargs["_oobfuncname"]
self.add_repeater(obj, sessid, oobfuncname, interval, *args, **kwargs)
def restore(self):
"""
Called when the handler recovers after a Server reload. Called
by the Server process as part of the reload upstart. Here we
overload the tickerhandler's restore method completely to make
sure we correctly re-apply and re-initialize the correct
monitor and repeater objecth on all saved objects.
"""
# load the oob monitors and initialize them
oob_storage = ServerConfig.objects.conf(key=self.oob_save_name)
if oob_storage:
self.oob_storage = dbunserialize(oob_storage)
for store_key, (args, kwargs) in self.oob_storage.items():
# re-create the monitors
obj, sessid, fieldname, oobfuncname = store_key
obj = unpack_dbobj(obj)
self._add_monitor(obj, sessid, fieldname, oobfuncname, *args, **kwargs)
# handle the tickers (same as in TickerHandler except we call
# the add_repeater method which makes sure to add the hooks before
# starting the tickerpool)
ticker_storage = ServerConfig.objects.conf(key=self.save_name)
if ticker_storage:
self.ticker_storage = dbunserialize(ticker_storage)
for store_key, (args, kwargs) in self.ticker_storage.items():
obj, interval, idstring = store_key
obj = unpack_dbobj(obj)
# we saved these in add_repeater before, can now retrieve them
sessid = kwargs["_sessid"]
oobfuncname = kwargs["_oobfuncname"]
self.add_repeater(obj, sessid, oobfuncname, interval, *args, **kwargs)
def restore(self, server_reload=True):
"""
Restore our monitors after a reload. This is called
by the server process.
Args:
server_reload (bool, optional): If this is False, it means
the server went through a cold reboot and all
non-persistent tickers must be killed.
"""
self.monitors = defaultdict(lambda: defaultdict(dict))
restored_monitors = ServerConfig.objects.conf(key=self.savekey)
if restored_monitors:
restored_monitors = dbunserialize(restored_monitors)
for (obj, fieldname, idstring, path, persistent, kwargs) in restored_monitors:
try:
if not persistent and not server_reload:
# this monitor will not be restarted
continue
modname, varname = path.rsplit(".", 1)
callback = variable_from_module(modname, varname)
if obj and hasattr(obj, fieldname):
self.monitors[obj][fieldname][idstring] = (callback, persistent, kwargs)
except Exception:
continue
# make sure to clean data from database
ServerConfig.objects.conf(key=self.savekey, delete=True)
def restore(self, server_reload=True):
"""
Restore our monitors after a reload. This is called
by the server process.
Args:
server_reload (bool, optional): If this is False, it means
the server went through a cold reboot and all
non-persistent tickers must be killed.
"""
self.monitors = defaultdict(lambda: defaultdict(dict))
restored_monitors = ServerConfig.objects.conf(key=self.savekey)
if restored_monitors:
restored_monitors = dbunserialize(restored_monitors)
for (obj, fieldname, idstring, path, persistent,
kwargs) in restored_monitors:
try:
if not persistent and not server_reload:
# this monitor will not be restarted
continue
modname, varname = path.rsplit(".", 1)
callback = variable_from_module(modname, varname)
if obj and hasattr(obj, fieldname):
self.monitors[obj][fieldname][idstring] = (callback,
persistent,
kwargs)
except Exception:
continue
# make sure to clean data from database
ServerConfig.objects.conf(key=self.savekey, delete=True)
def restore(self, server_reload=True):
"""
Restore ticker_storage from database and re-initialize the
handler from storage. This is triggered by the server at
restart.
Args:
server_reload (bool, optional): If this is False, it means
the server went through a cold reboot and all
non-persistent tickers must be killed.
"""
# load stored command instructions and use them to re-initialize handler
restored_tickers = ServerConfig.objects.conf(key=self.save_name)
if restored_tickers:
# the dbunserialize will convert all serialized dbobjs to real objects
restored_tickers = dbunserialize(restored_tickers)
self.ticker_storage = {}
for store_key, (args, kwargs) in restored_tickers.iteritems():
try:
# at this point obj is the actual object (or None) due to how
# the dbunserialize works
obj, callfunc, path, interval, idstring, persistent = store_key
if not persistent and not server_reload:
# this ticker will not be restarted
continue
if isinstance(callfunc, basestring) and not obj:
# methods must have an existing object
continue
# we must rebuild the store_key here since obj must not be
# stored as the object itself for the store_key to be hashable.
store_key = self._store_key(obj, path, interval, callfunc,
idstring, persistent)
if obj and callfunc:
kwargs["_callback"] = callfunc
kwargs["_obj"] = obj
elif path:
modname, varname = path.rsplit(".", 1)
callback = variable_from_module(modname, varname)
kwargs["_callback"] = callback
kwargs["_obj"] = None
else:
# Neither object nor path - discard this ticker
log_err(
"Tickerhandler: Removing malformed ticker: %s" %
str(store_key))
continue
except Exception:
# this suggests a malformed save or missing objects
log_trace("Tickerhandler: Removing malformed ticker: %s" %
str(store_key))
continue
# if we get here we should create a new ticker
self.ticker_storage[store_key] = (args, kwargs)
self.ticker_pool.add(store_key, *args, **kwargs)
def restore(self, server_reload=True):
"""
Restore ticker_storage from database and re-initialize the
handler from storage. This is triggered by the server at
restart.
Args:
server_reload (bool, optional): If this is False, it means
the server went through a cold reboot and all
non-persistent tickers must be killed.
"""
# load stored command instructions and use them to re-initialize handler
restored_tickers = ServerConfig.objects.conf(key=self.save_name)
if restored_tickers:
# the dbunserialize will convert all serialized dbobjs to real objects
restored_tickers = dbunserialize(restored_tickers)
self.ticker_storage = {}
for store_key, (args, kwargs) in restored_tickers.iteritems():
try:
# at this point obj is the actual object (or None) due to how
# the dbunserialize works
obj, callfunc, path, interval, idstring, persistent = store_key
if not persistent and not server_reload:
# this ticker will not be restarted
continue
if isinstance(callfunc, basestring) and not obj:
# methods must have an existing object
continue
# we must rebuild the store_key here since obj must not be
# stored as the object itself for the store_key to be hashable.
store_key = self._store_key(obj, path, interval, callfunc, idstring, persistent)
if obj and callfunc:
kwargs["_callback"] = callfunc
kwargs["_obj"] = obj
elif path:
modname, varname = path.rsplit(".", 1)
callback = variable_from_module(modname, varname)
kwargs["_callback"] = callback
kwargs["_obj"] = None
else:
# Neither object nor path - discard this ticker
log_err("Tickerhandler: Removing malformed ticker: %s" % str(store_key))
continue
except Exception:
# this suggests a malformed save or missing objects
log_trace("Tickerhandler: Removing malformed ticker: %s" % str(store_key))
continue
# if we get here we should create a new ticker
self.ticker_storage[store_key] = (args, kwargs)
self.ticker_pool.add(store_key, *args, **kwargs)
def restore(self):
"""
Restore ticker_storage from database and re-initialize the handler from storage. This is triggered by the server at restart.
"""
# load stored command instructions and use them to re-initialize handler
ticker_storage = ServerConfig.objects.conf(key=self.save_name)
if ticker_storage:
self.ticker_storage = dbunserialize(ticker_storage)
#print "restore:", self.ticker_storage
for store_key, (args, kwargs) in self.ticker_storage.items():
obj, interval, idstring = store_key
obj = unpack_dbobj(obj)
_, store_key = self._store_key(obj, interval, idstring)
self.ticker_pool.add(store_key, obj, interval, *args, **kwargs)
def restore(self):
"""
Restore ticker_storage from database and re-initialize the handler from storage. This is triggered by the server at restart.
"""
# load stored command instructions and use them to re-initialize handler
ticker_storage = ServerConfig.objects.conf(key=self.save_name)
if ticker_storage:
self.ticker_storage = dbunserialize(ticker_storage)
#print "restore:", self.ticker_storage
for store_key, (args, kwargs) in self.ticker_storage.items():
obj, interval, idstring = store_key
obj = unpack_dbobj(obj)
_, store_key = self._store_key(obj, interval, idstring)
self.ticker_pool.add(store_key, obj, interval, *args, **kwargs)
def restore(self, server_reload=True):
"""
Restore ticker_storage from database and re-initialize the
handler from storage. This is triggered by the server at
restart.
Args:
server_reload (bool, optional): If this is False, it means
the server went through a cold reboot and all
non-persistent tickers must be killed.
"""
# load stored command instructions and use them to re-initialize handler
restored_tickers = ServerConfig.objects.conf(key=self.save_name)
if restored_tickers:
# the dbunserialize will convert all serialized dbobjs to real objects
restored_tickers = dbunserialize(restored_tickers)
ticker_storage = {}
for store_key, (args, kwargs) in restored_tickers.iteritems():
try:
obj, methodname, path, interval, idstring, persistent = store_key
if not persistent and not server_reload:
# this ticker will not be restarted
continue
if obj and methodname:
kwargs["_callback"] = methodname
kwargs["_obj"] = obj
elif path:
modname, varname = path.rsplit(".", 1)
callback = variable_from_module(modname, varname)
kwargs["_callback"] = callback
kwargs["_obj"] = None
ticker_storage[store_key] = (args, kwargs)
except Exception as err:
# this suggests a malformed save or missing objects
log_err(
"%s\nTickerhandler: Removing malformed ticker: %s" %
(err, str(store_key)))
continue
self.ticker_storage = ticker_storage
self.ticker_pool.add(store_key, *args, **kwargs)
def restore(self, server_reload=True):
"""
Restore ticker_storage from database and re-initialize the
handler from storage. This is triggered by the server at
restart.
Args:
server_reload (bool, optional): If this is False, it means
the server went through a cold reboot and all
non-persistent tickers must be killed.
"""
# load stored command instructions and use them to re-initialize handler
restored_tickers = ServerConfig.objects.conf(key=self.save_name)
if restored_tickers:
# the dbunserialize will convert all serialized dbobjs to real objects
restored_tickers = dbunserialize(restored_tickers)
ticker_storage = {}
for store_key, (args, kwargs) in restored_tickers.iteritems():
try:
obj, methodname, path, interval, idstring, persistent = store_key
if not persistent and not server_reload:
# this ticker will not be restarted
continue
if obj and methodname:
kwargs["_callback"] = methodname
kwargs["_obj"] = obj
elif path:
modname, varname = path.rsplit(".", 1)
callback = variable_from_module(modname, varname)
kwargs["_callback"] = callback
kwargs["_obj"] = None
ticker_storage[store_key] = (args, kwargs)
except Exception as err:
# this suggests a malformed save or missing objects
log_err("%s\nTickerhandler: Removing malformed ticker: %s" % (err, str(store_key)))
continue
self.ticker_storage = ticker_storage
self.ticker_pool.add(store_key, *args, **kwargs)