110 lines
3.6 KiB
Python
110 lines
3.6 KiB
Python
# standard imports
|
||
import logging
|
||
|
||
# external imports
|
||
import shep.persist
|
||
|
||
logg = logging.getLogger(__name__)
|
||
|
||
|
||
class Verify:
|
||
|
||
def verify(self, state_store, from_state, to_state):
|
||
to_state_name = state_store.name(to_state)
|
||
m = None
|
||
try:
|
||
m = getattr(self, to_state_name)
|
||
except AttributeError:
|
||
logg.debug('foo {}'.format(to_state_name))
|
||
return None
|
||
|
||
r = m(state_store, from_state)
|
||
if r != None:
|
||
from_state_name = state_store.name(from_state)
|
||
r = '{} -> {}: {}'.format(from_state_name, to_state_name, r)
|
||
|
||
return r
|
||
|
||
|
||
def INSUFFICIENT_FUNDS(self, state_store, from_state):
|
||
if from_state & state_store.FINAL:
|
||
return 'already finalized'
|
||
if from_state & state_store.IN_NETWORK:
|
||
return 'already in network'
|
||
|
||
|
||
def UNKNOWN_ERROR(self, state_store, from_state):
|
||
if from_state & state_store.FINAL:
|
||
return 'already finalized'
|
||
if from_state & state_store.RESERVED:
|
||
return 'not reserved'
|
||
if from_state & state_store.mask_error:
|
||
return 'already finalized'
|
||
|
||
|
||
def NODE_ERROR(self, state_store, from_state):
|
||
if from_state & state_store.FINAL:
|
||
return 'already finalized'
|
||
if from_state & state_store.IN_NETWORK:
|
||
return 'already in network'
|
||
if from_state & state_store.RESERVED:
|
||
return 'not reserved'
|
||
if from_state & state_store.mask_error:
|
||
return 'already finalized'
|
||
|
||
|
||
def OBSOLETE(self, state_store, from_state):
|
||
if from_state & state_store.FINAL:
|
||
return 'already finalized'
|
||
if from_state & state_store.IN_NETWORK:
|
||
return 'already in network'
|
||
if from_state & state_store.OBSOLETE:
|
||
return 'already obsolete'
|
||
|
||
|
||
def MANUAL(self, state_store, from_state):
|
||
if from_state & state_store.FINAL:
|
||
return 'already finalized'
|
||
|
||
|
||
def QUEUED(self, state_store, from_state):
|
||
if from_state & state_store.FINAL:
|
||
return 'already finalized'
|
||
if from_state & state_store.IN_NETWORK:
|
||
if not from_state & state_store.mask_error:
|
||
return 'not in error state'
|
||
elif from_state & state_store.mask_error:
|
||
return 'no first send on error state'
|
||
|
||
|
||
class Status(shep.persist.PersistedState):
|
||
|
||
def __init__(self, store_factory):
|
||
verify = Verify().verify
|
||
self.set_default_state('PENDING')
|
||
super(Status, self).__init__(store_factory, 12, verifier=verify)
|
||
self.add('QUEUED')
|
||
self.add('RESERVED')
|
||
self.add('IN_NETWORK')
|
||
self.add('DEFERRED')
|
||
self.add('INSUFFICIENT_FUNDS')
|
||
self.add('LOCAL_ERROR')
|
||
self.add('NODE_ERROR')
|
||
self.add('NETWORK_ERROR')
|
||
self.add('UNKNOWN_ERROR')
|
||
self.add('FINAL')
|
||
self.add('OBSOLETE')
|
||
self.add('MANUAL')
|
||
|
||
self.alias('SENDFAIL', self.DEFERRED | self.LOCAL_ERROR)
|
||
self.alias('RETRY', self.DEFERRED | self.QUEUED)
|
||
self.alias('OBSOLETED', self.OBSOLETE | self.IN_NETWORK)
|
||
self.alias('FUBAR', self.FINAL | self.UNKNOWN_ERROR)
|
||
self.alias('CANCELLED', self.IN_NETWORK | self.FINAL | self.OBSOLETE)
|
||
self.alias('OVERRIDDEN', self.FINAL | self.OBSOLETE | self.MANUAL)
|
||
self.alias('REJECTED', self.NODE_ERROR | self.FINAL)
|
||
self.alias('REVERTED', self.IN_NETWORK | self.FINAL, self.NETWORK_ERROR)
|
||
self.alias('SUCCESS', self.IN_NETWORK | self.FINAL)
|
||
|
||
self.mask_error = self.LOCAL_ERROR | self.NODE_ERROR | self.NETWORK_ERROR | self.UNKNOWN_ERROR
|