def update_defaults(self):
"""
We make sure to store the most important object defaults here, so
we can catch if they change and update them on-objects automatically.
This allows for changing default cmdset locations and default
typeclasses in the settings file and have them auto-update all
already existing objects.
"""
# setting names
settings_names = ("CMDSET_CHARACTER", "CMDSET_ACCOUNT",
"BASE_ACCOUNT_TYPECLASS", "BASE_OBJECT_TYPECLASS",
"BASE_CHARACTER_TYPECLASS", "BASE_ROOM_TYPECLASS",
"BASE_EXIT_TYPECLASS", "BASE_SCRIPT_TYPECLASS",
"BASE_CHANNEL_TYPECLASS")
# get previous and current settings so they can be compared
settings_compare = zip([ServerConfig.objects.conf(name) for name in settings_names],
[settings.__getattr__(name) for name in settings_names])
mismatches = [i for i, tup in enumerate(settings_compare) if tup[0] and tup[1] and tup[0] != tup[1]]
if len(mismatches): # can't use any() since mismatches may be [0] which reads as False for any()
# we have a changed default. Import relevant objects and
# run the update
from evennia.objects.models import ObjectDB
from evennia.comms.models import ChannelDB
#from evennia.accounts.models import AccountDB
for i, prev, curr in ((i, tup[0], tup[1]) for i, tup in enumerate(settings_compare) if i in mismatches):
# update the database
print(" %s:\n '%s' changed to '%s'. Updating unchanged entries in database ..." % (settings_names[i], prev, curr))
if i == 0:
ObjectDB.objects.filter(db_cmdset_storage__exact=prev).update(db_cmdset_storage=curr)
if i == 1:
AccountDB.objects.filter(db_cmdset_storage__exact=prev).update(db_cmdset_storage=curr)
if i == 2:
AccountDB.objects.filter(db_typeclass_path__exact=prev).update(db_typeclass_path=curr)
if i in (3, 4, 5, 6):
ObjectDB.objects.filter(db_typeclass_path__exact=prev).update(db_typeclass_path=curr)
if i == 7:
ScriptDB.objects.filter(db_typeclass_path__exact=prev).update(db_typeclass_path=curr)
if i == 8:
ChannelDB.objects.filter(db_typeclass_path__exact=prev).update(db_typeclass_path=curr)
# store the new default and clean caches
ServerConfig.objects.conf(settings_names[i], curr)
ObjectDB.flush_instance_cache()
AccountDB.flush_instance_cache()
ScriptDB.flush_instance_cache()
ChannelDB.flush_instance_cache()
# if this is the first start we might not have a "previous"
# setup saved. Store it now.
[ServerConfig.objects.conf(settings_names[i], tup[1])
for i, tup in enumerate(settings_compare) if not tup[0]]
def run_init_hooks(self):
"""
Called every server start
"""
from evennia.objects.models import ObjectDB
#from evennia.accounts.models import AccountDB
# update eventual changed defaults
self.update_defaults()
[o.at_init() for o in ObjectDB.get_all_cached_instances()]
[p.at_init() for p in AccountDB.get_all_cached_instances()]
mode = self.getset_restart_mode()
# call correct server hook based on start file value
if mode == 'reload':
# True was the old reload flag, kept for compatibilty
self.at_server_reload_start()
elif mode == 'reset':
# only run hook, don't purge sessions
self.at_server_cold_start()
elif mode in ('reset', 'shutdown'):
self.at_server_cold_start()
# clear eventual lingering session storages
ObjectDB.objects.clear_all_sessids()
# always call this regardless of start type
self.at_server_start()
def get_god_account():
"""
Creates the god user and don't take no for an answer.
"""
try:
god_account = AccountDB.objects.get(id=1)
except AccountDB.DoesNotExist:
raise AccountDB.DoesNotExist(ERROR_NO_SUPERUSER)
return god_account
def run_init_hooks(self, mode):
"""
Called by the amp client once receiving sync back from Portal
Args:
mode (str): One of shutdown, reload or reset
"""
from evennia.objects.models import ObjectDB
# start server time and maintenance task
self.maintenance_task = LoopingCall(_server_maintenance)
self.maintenance_task.start(60, now=True) # call every minute
# update eventual changed defaults
self.update_defaults()
[o.at_init() for o in ObjectDB.get_all_cached_instances()]
[p.at_init() for p in AccountDB.get_all_cached_instances()]
# call correct server hook based on start file value
if mode == "reload":
logger.log_msg("Server successfully reloaded.")
self.at_server_reload_start()
elif mode == "reset":
# only run hook, don't purge sessions
self.at_server_cold_start()
logger.log_msg(
"Evennia Server successfully restarted in 'reset' mode.")
elif mode == "shutdown":
self.at_server_cold_start()
# clear eventual lingering session storages
ObjectDB.objects.clear_all_sessids()
logger.log_msg("Evennia Server successfully started.")
# always call this regardless of start type
self.at_server_start()
def shutdown(self, mode="reload", _reactor_stopping=False):
"""
Shuts down the server from inside it.
mode - sets the server restart mode.
'reload' - server restarts, no "persistent" scripts
are stopped, at_reload hooks called.
'reset' - server restarts, non-persistent scripts stopped,
at_shutdown hooks called but sessions will not
be disconnected.
'shutdown' - like reset, but server will not auto-restart.
_reactor_stopping - this is set if server is stopped by a kill
command OR this method was already called
once - in both cases the reactor is
dead/stopping already.
"""
if _reactor_stopping and hasattr(self, "shutdown_complete"):
# this means we have already passed through this method
# once; we don't need to run the shutdown procedure again.
defer.returnValue(None)
from evennia.objects.models import ObjectDB
from evennia.server.models import ServerConfig
from evennia.utils import gametime as _GAMETIME_MODULE
if mode == "reload":
# call restart hooks
ServerConfig.objects.conf("server_restart_mode", "reload")
yield [
o.at_server_reload()
for o in ObjectDB.get_all_cached_instances()
]
yield [
p.at_server_reload()
for p in AccountDB.get_all_cached_instances()
]
yield [
(s.pause(manual_pause=False), s.at_server_reload())
for s in ScriptDB.get_all_cached_instances()
if s.id and (s.is_active or s.attributes.has("_manual_pause"))
]
yield self.sessions.all_sessions_portal_sync()
self.at_server_reload_stop()
# only save monitor state on reload, not on shutdown/reset
from evennia.scripts.monitorhandler import MONITOR_HANDLER
MONITOR_HANDLER.save()
else:
if mode == "reset":
# like shutdown but don't unset the is_connected flag and don't disconnect sessions
yield [
o.at_server_shutdown()
for o in ObjectDB.get_all_cached_instances()
]
yield [
p.at_server_shutdown()
for p in AccountDB.get_all_cached_instances()
]
if self.amp_protocol:
yield self.sessions.all_sessions_portal_sync()
else: # shutdown
yield [
_SA(p, "is_connected", False)
for p in AccountDB.get_all_cached_instances()
]
yield [
o.at_server_shutdown()
for o in ObjectDB.get_all_cached_instances()
]
yield [(p.unpuppet_all(), p.at_server_shutdown())
for p in AccountDB.get_all_cached_instances()]
yield ObjectDB.objects.clear_all_sessids()
yield [(
s.pause(manual_pause=s.attributes.get("_manual_pause", False)),
s.at_server_shutdown(),
) for s in ScriptDB.get_all_cached_instances()]
ServerConfig.objects.conf("server_restart_mode", "reset")
self.at_server_cold_stop()
# tickerhandler state should always be saved.
from evennia.scripts.tickerhandler import TICKER_HANDLER
TICKER_HANDLER.save()
# always called, also for a reload
self.at_server_stop()
if hasattr(self, "web_root"): # not set very first start
yield self.web_root.empty_threadpool()
if not _reactor_stopping:
# kill the server
self.shutdown_complete = True
reactor.callLater(1, reactor.stop)
# we make sure the proper gametime is saved as late as possible
ServerConfig.objects.conf("runtime", _GAMETIME_MODULE.runtime())
def update_defaults(self):
"""
We make sure to store the most important object defaults here, so
we can catch if they change and update them on-objects automatically.
This allows for changing default cmdset locations and default
typeclasses in the settings file and have them auto-update all
already existing objects.
"""
global INFO_DICT
# setting names
settings_names = (
"CMDSET_CHARACTER",
"CMDSET_ACCOUNT",
"BASE_ACCOUNT_TYPECLASS",
"BASE_OBJECT_TYPECLASS",
"BASE_CHARACTER_TYPECLASS",
"BASE_ROOM_TYPECLASS",
"BASE_EXIT_TYPECLASS",
"BASE_SCRIPT_TYPECLASS",
"BASE_CHANNEL_TYPECLASS",
)
# get previous and current settings so they can be compared
settings_compare = list(
zip(
[ServerConfig.objects.conf(name) for name in settings_names],
[settings.__getattr__(name) for name in settings_names],
))
mismatches = [
i for i, tup in enumerate(settings_compare)
if tup[0] and tup[1] and tup[0] != tup[1]
]
if len(
mismatches
): # can't use any() since mismatches may be [0] which reads as False for any()
# we have a changed default. Import relevant objects and
# run the update
from evennia.objects.models import ObjectDB
from evennia.comms.models import ChannelDB
# from evennia.accounts.models import AccountDB
for i, prev, curr in ((i, tup[0], tup[1])
for i, tup in enumerate(settings_compare)
if i in mismatches):
# update the database
INFO_DICT["info"] = (
" %s:\n '%s' changed to '%s'. Updating unchanged entries in database ..."
% (settings_names[i], prev, curr))
if i == 0:
ObjectDB.objects.filter(
db_cmdset_storage__exact=prev).update(
db_cmdset_storage=curr)
if i == 1:
AccountDB.objects.filter(
db_cmdset_storage__exact=prev).update(
db_cmdset_storage=curr)
if i == 2:
AccountDB.objects.filter(
db_typeclass_path__exact=prev).update(
db_typeclass_path=curr)
if i in (3, 4, 5, 6):
ObjectDB.objects.filter(
db_typeclass_path__exact=prev).update(
db_typeclass_path=curr)
if i == 7:
ScriptDB.objects.filter(
db_typeclass_path__exact=prev).update(
db_typeclass_path=curr)
if i == 8:
ChannelDB.objects.filter(
db_typeclass_path__exact=prev).update(
db_typeclass_path=curr)
# store the new default and clean caches
ServerConfig.objects.conf(settings_names[i], curr)
ObjectDB.flush_instance_cache()
AccountDB.flush_instance_cache()
ScriptDB.flush_instance_cache()
ChannelDB.flush_instance_cache()
# if this is the first start we might not have a "previous"
# setup saved. Store it now.
[
ServerConfig.objects.conf(settings_names[i], tup[1])
for i, tup in enumerate(settings_compare) if not tup[0]
]
def shutdown(self, mode=None, _reactor_stopping=False):
"""
Shuts down the server from inside it.
mode - sets the server restart mode.
'reload' - server restarts, no "persistent" scripts
are stopped, at_reload hooks called.
'reset' - server restarts, non-persistent scripts stopped,
at_shutdown hooks called but sessions will not
be disconnected.
'shutdown' - like reset, but server will not auto-restart.
None - keep currently set flag from flag file.
_reactor_stopping - this is set if server is stopped by a kill
command OR this method was already called
once - in both cases the reactor is
dead/stopping already.
"""
if _reactor_stopping and hasattr(self, "shutdown_complete"):
# this means we have already passed through this method
# once; we don't need to run the shutdown procedure again.
defer.returnValue(None)
mode = self.getset_restart_mode(mode)
from evennia.objects.models import ObjectDB
#from evennia.accounts.models import AccountDB
from evennia.server.models import ServerConfig
from evennia.utils import gametime as _GAMETIME_MODULE
if mode == 'reload':
# call restart hooks
ServerConfig.objects.conf("server_restart_mode", "reload")
yield [o.at_server_reload() for o in ObjectDB.get_all_cached_instances()]
yield [p.at_server_reload() for p in AccountDB.get_all_cached_instances()]
yield [(s.pause(manual_pause=False), s.at_server_reload()) for s in ScriptDB.get_all_cached_instances() if s.is_active]
yield self.sessions.all_sessions_portal_sync()
self.at_server_reload_stop()
# only save monitor state on reload, not on shutdown/reset
from evennia.scripts.monitorhandler import MONITOR_HANDLER
MONITOR_HANDLER.save()
else:
if mode == 'reset':
# like shutdown but don't unset the is_connected flag and don't disconnect sessions
yield [o.at_server_shutdown() for o in ObjectDB.get_all_cached_instances()]
yield [p.at_server_shutdown() for p in AccountDB.get_all_cached_instances()]
if self.amp_protocol:
yield self.sessions.all_sessions_portal_sync()
else: # shutdown
yield [_SA(p, "is_connected", False) for p in AccountDB.get_all_cached_instances()]
yield [o.at_server_shutdown() for o in ObjectDB.get_all_cached_instances()]
yield [(p.unpuppet_all(), p.at_server_shutdown())
for p in AccountDB.get_all_cached_instances()]
yield ObjectDB.objects.clear_all_sessids()
yield [(s.pause(manual_pause=False), s.at_server_shutdown()) for s in ScriptDB.get_all_cached_instances()]
ServerConfig.objects.conf("server_restart_mode", "reset")
self.at_server_cold_stop()
# tickerhandler state should always be saved.
from evennia.scripts.tickerhandler import TICKER_HANDLER
TICKER_HANDLER.save()
# always called, also for a reload
self.at_server_stop()
if os.name == 'nt' and os.path.exists(SERVER_PIDFILE):
# for Windows we need to remove pid files manually
os.remove(SERVER_PIDFILE)
if hasattr(self, "web_root"): # not set very first start
yield self.web_root.empty_threadpool()
if not _reactor_stopping:
# kill the server
self.shutdown_complete = True
reactor.callLater(1, reactor.stop)
# we make sure the proper gametime is saved as late as possible
ServerConfig.objects.conf("runtime", _GAMETIME_MODULE.runtime())
