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_DEFAULT", "CMDSET_OOC", "BASE_PLAYER_TYPECLASS", "BASE_OBJECT_TYPECLASS",
"BASE_CHARACTER_TYPECLASS", "BASE_ROOM_TYPECLASS", "BASE_EXIT_TYPECLASS", "BASE_SCRIPT_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 src.objects.models import ObjectDB
#from src.players.models import PlayerDB
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 " one or more default cmdset/typeclass settings changed. Updating defaults stored in database ..."
if i == 0: [obj.__setattr__("cmdset_storage", curr) for obj in ObjectDB.objects.filter(db_cmdset_storage__exact=prev)]
if i == 1: [ply.__setattr__("cmdset_storage", curr) for ply in PlayerDB.objects.filter(db_cmdset_storage__exact=prev)]
if i == 2: [ply.__setattr__("typeclass_path", curr) for ply in PlayerDB.objects.filter(db_typeclass_path__exact=prev)]
if i in (3,4,5,6): [obj.__setattr__("typeclass_path",curr)
for obj in ObjectDB.objects.filter(db_typeclass_path__exact=prev)]
if i == 7: [scr.__setattr__("typeclass_path", curr) for scr in ScriptDB.objects.filter(db_typeclass_path__exact=prev)]
# store the new default and clean caches
ServerConfig.objects.conf(settings_names[i], curr)
ObjectDB.flush_instance_cache()
PlayerDB.flush_instance_cache()
ScriptDB.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 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_PLAYER",
"BASE_PLAYER_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 src.objects.models import ObjectDB
from src.comms.models import ChannelDB
#from src.players.models import PlayerDB
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:
[obj.__setattr__("cmdset_storage", curr) for obj in ObjectDB.objects.filter(db_cmdset_storage__exact=prev)]
if i == 1:
[ply.__setattr__("cmdset_storage", curr) for ply in PlayerDB.objects.filter(db_cmdset_storage__exact=prev)]
if i == 2:
[ply.__setattr__("typeclass_path", curr) for ply in PlayerDB.objects.filter(db_typeclass_path__exact=prev)]
if i in (3, 4, 5, 6):
[obj.__setattr__("typeclass_path", curr) for obj in ObjectDB.objects.filter(db_typeclass_path__exact=prev)]
if i == 7:
[scr.__setattr__("typeclass_path", curr) for scr in ScriptDB.objects.filter(db_typeclass_path__exact=prev)]
if i == 8:
[scr.__setattr__("typeclass_path", curr) for scr in ChannelDB.objects.filter(db_typeclass_path__exact=prev)]
# store the new default and clean caches
ServerConfig.objects.conf(settings_names[i], curr)
ObjectDB.flush_instance_cache()
PlayerDB.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 src.objects.models import ObjectDB
#from src.players.models import PlayerDB
#update eventual changed defaults
self.update_defaults()
#print "run_init_hooks:", ObjectDB.get_all_cached_instances()
[(o.typeclass, o.at_init()) for o in ObjectDB.get_all_cached_instances()]
[(p.typeclass, p.at_init()) for p in PlayerDB.get_all_cached_instances()]
if SERVER_STARTSTOP_MODULE:
# call correct server hook based on start file value
with open(SERVER_RESTART, 'r') as f:
mode = f.read()
if mode in ('True', 'reload'):
# True was the old reload flag, kept for compatibilty
SERVER_STARTSTOP_MODULE.at_server_reload_start()
elif mode in ('reset', 'shutdown'):
SERVER_STARTSTOP_MODULE.at_server_cold_start()
# always call this regardless of start type
SERVER_STARTSTOP_MODULE.at_server_start()
def run_init_hooks(self):
"""
Called every server start
"""
from src.objects.models import ObjectDB
#from src.players.models import PlayerDB
#update eventual changed defaults
self.update_defaults()
#print "run_init_hooks:", ObjectDB.get_all_cached_instances()
[(o.typeclass, o.at_init()) for o in ObjectDB.get_all_cached_instances()]
[(p.typeclass, 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 src.server.oobhandler import OOB_HANDLER
OOB_HANDLER.restore()
from src.scripts.tickerhandler import TICKER_HANDLER
TICKER_HANDLER.restore()
if SERVER_STARTSTOP_MODULE:
# call correct server hook based on start file value
if mode in ('True', 'reload'):
# True was the old reload flag, kept for compatibilty
SERVER_STARTSTOP_MODULE.at_server_reload_start()
elif mode in ('reset', 'shutdown'):
SERVER_STARTSTOP_MODULE.at_server_cold_start()
# clear eventual lingering session storages
ObjectDB.objects.clear_all_sessids()
# always call this regardless of start type
SERVER_STARTSTOP_MODULE.at_server_start()
def run_init_hooks(self):
"""
Called every server start
"""
from src.objects.models import ObjectDB
#from src.players.models import PlayerDB
#update eventual changed defaults
self.update_defaults()
#print "run_init_hooks:", ObjectDB.get_all_cached_instances()
[(o.typeclass, o.at_init()) for o in ObjectDB.get_all_cached_instances()]
[(p.typeclass, 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 src.server.oobhandler import OOB_HANDLER
OOB_HANDLER.restore()
from src.scripts.tickerhandler import TICKER_HANDLER
TICKER_HANDLER.restore()
# 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 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 reset_loop():
"Reload and restart all entities that can be reloaded."
# run the reset loop on all objects
cemit_info(" Resetting all cached database entities ...")
t1 = time.time()
[h.locks.reset() for h in HelpEntry.objects.all()]
[m.locks.reset() for m in Msg.objects.all()]
[c.locks.reset() for c in Channel.objects.all()]
[s.locks.reset() for s in ScriptDB.objects.all()]
[(o.typeclass(o), o.cmdset.reset(), o.locks.reset(), o.at_cache()) for o in ObjectDB.get_all_cached_instances()]
[(p.typeclass(p), p.cmdset.reset(), p.locks.reset()) for p in PlayerDB.get_all_cached_instances()]
t2 = time.time()
cemit_info(" ... Reset finished in %g seconds." % (t2-t1))
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.
'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)
# call shutdown hooks on all cached objects
from src.objects.models import ObjectDB
#from src.players.models import PlayerDB
from src.server.models import ServerConfig
if mode == 'reload':
# call restart hooks
yield [(o.typeclass, o.at_server_reload()) for o in ObjectDB.get_all_cached_instances()]
yield [(p.typeclass, p.at_server_reload()) for p in PlayerDB.get_all_cached_instances()]
yield [(s.typeclass, s.pause(), s.at_server_reload()) for s in ScriptDB.get_all_cached_instances()]
yield self.sessions.all_sessions_portal_sync()
ServerConfig.objects.conf("server_restart_mode", "reload")
if SERVER_STARTSTOP_MODULE:
SERVER_STARTSTOP_MODULE.at_server_reload_stop()
else:
if mode == 'reset':
# don't call disconnect hooks on reset
yield [(o.typeclass, o.at_server_shutdown()) for o in ObjectDB.get_all_cached_instances()]
else: # shutdown
yield [_SA(p, "is_connected", False) for p in PlayerDB.get_all_cached_instances()]
yield [(o.typeclass, o.at_disconnect(), o.at_server_shutdown()) for o in ObjectDB.get_all_cached_instances()]
yield [(p.typeclass, p.at_server_shutdown()) for p in PlayerDB.get_all_cached_instances()]
yield [(s.typeclass, s.at_server_shutdown()) for s in ScriptDB.get_all_cached_instances()]
ServerConfig.objects.conf("server_restart_mode", "reset")
if SERVER_STARTSTOP_MODULE:
SERVER_STARTSTOP_MODULE.at_server_cold_stop()
if SERVER_STARTSTOP_MODULE:
SERVER_STARTSTOP_MODULE.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
reactor.callLater(0, reactor.stop)
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.
'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)
# call shutdown hooks on all cached objects
from src.objects.models import ObjectDB
#from src.players.models import PlayerDB
from src.server.models import ServerConfig
if mode == 'reload':
# call restart hooks
yield [(o.typeclass, o.at_server_reload())
for o in ObjectDB.get_all_cached_instances()]
yield [(p.typeclass, p.at_server_reload())
for p in PlayerDB.get_all_cached_instances()]
yield [(s.typeclass, s.pause(), s.at_server_reload())
for s in ScriptDB.get_all_cached_instances()]
yield self.sessions.all_sessions_portal_sync()
ServerConfig.objects.conf("server_restart_mode", "reload")
from src.server.oobhandler import OOB_HANDLER
OOB_HANDLER.save()
from src.scripts.tickerhandler import TICKER_HANDLER
TICKER_HANDLER.save()
if SERVER_STARTSTOP_MODULE:
SERVER_STARTSTOP_MODULE.at_server_reload_stop()
else:
if mode == 'reset':
# don't unset the is_connected flag on reset, otherwise
# same as shutdown
yield [(o.typeclass, o.at_server_shutdown())
for o in ObjectDB.get_all_cached_instances()]
yield [(p.typeclass, p.at_server_shutdown())
for p in PlayerDB.get_all_cached_instances()]
else: # shutdown
yield [_SA(p, "is_connected", False)
for p in PlayerDB.get_all_cached_instances()]
yield [(o.typeclass, o.at_server_shutdown())
for o in ObjectDB.get_all_cached_instances()]
yield [(p.typeclass, p.unpuppet_all(), p.at_server_shutdown())
for p in PlayerDB.get_all_cached_instances()]
yield [(s.typeclass, s.at_server_shutdown())
for s in ScriptDB.get_all_cached_instances()]
yield ObjectDB.objects.clear_all_sessids()
ServerConfig.objects.conf("server_restart_mode", "reset")
if SERVER_STARTSTOP_MODULE:
SERVER_STARTSTOP_MODULE.at_server_cold_stop()
# stopping time
from src.utils import gametime
gametime.save()
if SERVER_STARTSTOP_MODULE:
SERVER_STARTSTOP_MODULE.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
reactor.callLater(0, reactor.stop)
