def reload_snapshot(self):
"""
Reload snapshot.
"""
self._rwlock = RWLock()
try:
self._dispatch_snapshot = self._get_dispatch_snapshot_callback()
except Exception as e:
raise SnapshotManagerException(e)
def __init__(self, dispatch_schema_manager, get_dispatch_snapshot_callback,
update_dispatch_snapshot_callback):
"""
@dispatch_schema_manager: dispatch schema manager.
@get_dispatch_snapshot_callback: callback for geting dispatch
snapshot.
@update_dispatch_snapshot_callback: callback for updating
dispatch snapshot.
"""
self._dispatch_schema_manager = dispatch_schema_manager
self._get_dispatch_snapshot_callback = get_dispatch_snapshot_callback
self._update_dispatch_snapshot_callback = \
update_dispatch_snapshot_callback
self._rwlock = RWLock()
try:
self._dispatch_snapshot = self._get_dispatch_snapshot_callback()
except Exception as e:
raise SnapshotManagerException(e)
def __init__(self, server_uri, session_key, dispatch_schema,
get_forwarders_snapshot_callback,
update_forwarders_snapshot_callback,
get_dispatch_snapshot_callback,
update_dispatch_snapshot_callback, ucc_server_id):
"""
@server_uri: local server uri.
@session_key: local session key.
@dispatch_schema: dispatch schema.
@get_forwarders_snapshot_callback: callback for geting forwarders
snapshot.
@update_forwarders_snapshot_callback: callback for updating
forwarders snapshot.
@get_dispatch_snapshot_callback: callback for geting dispatch
snapshot.
@update_dispatch_snapshot_callback: callback for updating
dispatch snapshot.
@ucc_server_id: ucc server id.
"""
assert server_uri, "server_uri is None."
assert session_key, "session_key is None."
assert dispatch_schema, "dispatch_schema is None."
assert get_forwarders_snapshot_callback, \
"get_forwarders_snapshot_callback is None."
assert update_forwarders_snapshot_callback, \
"update_forwarders_snapshot_callback is None."
assert get_dispatch_snapshot_callback, \
"get_dispatch_snapshot_callback is None."
assert update_dispatch_snapshot_callback, \
"update_dispatch_snapshot_callback is None."
assert ucc_server_id, "ucc_server_id is None."
self._server_uri = server_uri
self._session_key = session_key
self._dispatch_schema_manager = DispatchSchemaManager(dispatch_schema)
self._dispatch_snapshot_manager = DispatchSnapshotManager(
self._dispatch_schema_manager, get_dispatch_snapshot_callback,
update_dispatch_snapshot_callback)
self._get_forwarders_snapshot_callback = \
get_forwarders_snapshot_callback
self._update_forwarders_snapshot_callback = \
update_forwarders_snapshot_callback
self._forwarders_snapshot = None
self._forwarders_snapshot_lock = RWLock()
self._threadpool_executor = futures.ThreadPoolExecutor(cpu_count())
self._ucc_server_id = ucc_server_id
# Current dispatch settings
self._settings = None
self._settings_lock = RWLock()
# Forwarders available
self._available_forwarderloads = None
self._unavailable_forwarderloads = None
self._forwarders_lock = RWLock()