def repeat(session, *args, **kwargs):
"""
Call a named function repeatedly. Note that
this is meant as an example of limiting the number of
possible call functions.
Kwargs:
callback (str): The function to call. Only functions
from the _repeatable dictionary earlier in this
module are available.
interval (int): How often to call function (s).
Defaults to once every 60 seconds with a minimum
of 5 seconds.
stop (bool): Stop a previously assigned ticker with
the above settings.
"""
from evennia.scripts.tickerhandler import TICKER_HANDLER
name = kwargs.get("callback", "")
interval = max(5, int(kwargs.get("interval", 60)))
if name in _repeatable:
if kwargs.get("stop", False):
TICKER_HANDLER.remove(interval, _repeatable[name], idstring=session.sessid, persistent=False)
else:
TICKER_HANDLER.add(interval, _repeatable[name], idstring=session.sessid, persistent=False, session=session)
else:
session.msg("Allowed repeating functions are: %s" % (", ".join(_repeatable)))
def run_init_hooks(self):
"""
Called every server start
"""
from evennia.objects.models import ObjectDB
#from evennia.players.models import PlayerDB
#update eventual changed defaults
self.update_defaults()
[o.at_init() for o in ObjectDB.get_all_cached_instances()]
[p.at_init() for p in PlayerDB.get_all_cached_instances()]
with open(SERVER_RESTART, 'r') as f:
mode = f.read()
if mode in ('True', 'reload'):
from evennia.scripts.monitorhandler import MONITOR_HANDLER
MONITOR_HANDLER.restore()
from evennia.scripts.tickerhandler import TICKER_HANDLER
TICKER_HANDLER.restore(mode in ('True', 'reload'))
# call correct server hook based on start file value
if mode in ('True', '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 at_post_portal_sync(self, mode):
"""
This is called just after the portal has finished syncing back data to the server
after reconnecting.
Args:
mode (str): One of reload, reset or shutdown.
"""
from evennia.scripts.monitorhandler import MONITOR_HANDLER
MONITOR_HANDLER.restore(mode == 'reload')
from evennia.scripts.tickerhandler import TICKER_HANDLER
TICKER_HANDLER.restore(mode == 'reload')
# after sync is complete we force-validate all scripts
# (this also starts any that didn't yet start)
ScriptDB.objects.validate(init_mode=mode)
# start the task handler
from evennia.scripts.taskhandler import TASK_HANDLER
TASK_HANDLER.load()
TASK_HANDLER.create_delays()
# delete the temporary setting
ServerConfig.objects.conf("server_restart_mode", delete=True)
def repeat(session, *args, **kwargs):
"""
Call a named function repeatedly. Note that
this is meant as an example of limiting the number of
possible call functions.
Kwargs:
callback (str): The function to call. Only functions
from the _repeatable dictionary earlier in this
module are available.
interval (int): How often to call function (s).
Defaults to once every 60 seconds with a minimum
of 5 seconds.
stop (bool): Stop a previously assigned ticker with
the above settings.
"""
from evennia.scripts.tickerhandler import TICKER_HANDLER
name = kwargs.get("callback", "")
interval = max(5, int(kwargs.get("interval", 60)))
if name in _repeatable:
if kwargs.get("stop", False):
TICKER_HANDLER.remove(interval, _repeatable[name], idstring=session.sessid, persistent=False)
else:
TICKER_HANDLER.add(interval, _repeatable[name], idstring=session.sessid, persistent=False, session=session)
else:
session.msg("Allowed repeating functions are: %s" % (", ".join(_repeatable)))
def at_post_portal_sync(self):
"""
This is called just after the portal has finished syncing back data to the server
after reconnecting.
"""
# one of reload, reset or shutdown
mode = self.getset_restart_mode()
from evennia.scripts.monitorhandler import MONITOR_HANDLER
MONITOR_HANDLER.restore(mode == 'reload')
from evennia.scripts.tickerhandler import TICKER_HANDLER
TICKER_HANDLER.restore(mode == 'reload')
# after sync is complete we force-validate all scripts
# (this also starts any that didn't yet start)
ScriptDB.objects.validate(init_mode=mode)
# start the task handler
from evennia.scripts.taskhandler import TASK_HANDLER
TASK_HANDLER.load()
TASK_HANDLER.create_delays()
# delete the temporary setting
ServerConfig.objects.conf("server_restart_mode", delete=True)
def at_post_portal_sync(self, mode):
"""
This is called just after the portal has finished syncing back data to the server
after reconnecting.
Args:
mode (str): One of reload, reset or shutdown.
"""
from evennia.scripts.monitorhandler import MONITOR_HANDLER
MONITOR_HANDLER.restore(mode == "reload")
from evennia.scripts.tickerhandler import TICKER_HANDLER
TICKER_HANDLER.restore(mode == "reload")
# after sync is complete we force-validate all scripts
# (this also starts any that didn't yet start)
ScriptDB.objects.validate(init_mode=mode)
# start the task handler
from evennia.scripts.taskhandler import TASK_HANDLER
TASK_HANDLER.load()
TASK_HANDLER.create_delays()
# check so default channels exist
from evennia.comms.models import ChannelDB
from evennia.accounts.models import AccountDB
from evennia.utils.create import create_channel
god_account = AccountDB.objects.get(id=1)
# mudinfo
mudinfo_chan = settings.CHANNEL_MUDINFO
if not mudinfo_chan:
raise RuntimeError("settings.CHANNEL_MUDINFO must be defined.")
if not ChannelDB.objects.filter(db_key=mudinfo_chan["key"]):
channel = create_channel(**mudinfo_chan)
channel.connect(god_account)
# connectinfo
connectinfo_chan = settings.CHANNEL_MUDINFO
if connectinfo_chan:
if not ChannelDB.objects.filter(db_key=mudinfo_chan["key"]):
channel = create_channel(**connectinfo_chan)
# default channels
for chan_info in settings.DEFAULT_CHANNELS:
if not ChannelDB.objects.filter(db_key=chan_info["key"]):
channel = create_channel(**chan_info)
channel.connect(god_account)
# delete the temporary setting
ServerConfig.objects.conf("server_restart_mode", delete=True)
def delete(self):
"Cleaning up handlers on the typeclass level"
global TICKER_HANDLER
if not TICKER_HANDLER:
from evennia.scripts.tickerhandler import TICKER_HANDLER
TICKER_HANDLER.remove(self) # removes objects' all ticker subscriptions
self.permissions.clear()
self.attributes.clear()
self.aliases.clear()
if hasattr(self, "nicks"):
self.nicks.clear()
# scrambling properties
self.delete = self._deleted
super(TypedObject, self).delete()
def delete(self):
"Cleaning up handlers on the typeclass level"
global TICKER_HANDLER
if not TICKER_HANDLER:
from evennia.scripts.tickerhandler import TICKER_HANDLER
TICKER_HANDLER.remove(self) # removes objects' all ticker subscriptions
self.permissions.clear()
self.attributes.clear()
self.aliases.clear()
if hasattr(self, "nicks"):
self.nicks.clear()
# scrambling properties
self.delete = self._deleted
super(TypedObject, self).delete()
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.set_restart_mode(mode)
from evennia.objects.models import ObjectDB
#from evennia.players.models import PlayerDB
from evennia.server.models import ServerConfig
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 PlayerDB.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 PlayerDB.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 PlayerDB.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 PlayerDB.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 _reactor_stopping is true, reactor does not need to
# be stopped again.
if os.name == 'nt' and os.path.exists(SERVER_PIDFILE):
# for Windows we need to remove pid files manually
os.remove(SERVER_PIDFILE)
if not _reactor_stopping:
# this will also send a reactor.stop signal, so we set a
# flag to avoid loops.
self.shutdown_complete = True
# kill the server
reactor.callLater(0, reactor.stop)
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())
