remove metadata updater

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>

tests/functional/pyocf/types/ctx.py

@@ -8,7 +8,6 @@ from ctypes import c_void_p, Structure, c_char_p, cast, pointer, byref, c_int
 from .logger import LoggerOps, Logger
 from .data import DataOps, Data
 from .cleaner import CleanerOps, Cleaner
-from .metadata_updater import MetadataUpdaterOps, MetadataUpdater
 from .shared import OcfError
 from ..ocf import OcfLib
 from .queue import Queue
@@ -19,7 +18,6 @@ class OcfCtxOps(Structure):
     _fields_ = [
         ("data", DataOps),
         ("cleaner", CleanerOps),
-        ("metadata_updater", MetadataUpdaterOps),
         ("logger", LoggerOps),
     ]
 
@@ -29,10 +27,9 @@ class OcfCtxCfg(Structure):
 
 
 class OcfCtx:
-    def __init__(self, lib, name, logger, data, mu, cleaner):
+    def __init__(self, lib, name, logger, data, cleaner):
         self.logger = logger
         self.data = data
-        self.mu = mu
         self.cleaner = cleaner
         self.ctx_handle = c_void_p()
         self.lib = lib
@@ -45,7 +42,6 @@ class OcfCtx:
             ops=OcfCtxOps(
                 data=self.data.get_ops(),
                 cleaner=self.cleaner.get_ops(),
-                metadata_updater=self.mu.get_ops(),
                 logger=logger.get_ops(),
             ),
             logger_priv=cast(pointer(logger.get_priv()), c_void_p),
@@ -98,7 +94,6 @@ class OcfCtx:
         self.cfg = None
         self.logger = None
         self.data = None
-        self.mu = None
         self.cleaner = None
         Queue._instances_ = {}
         Volume._instances_ = {}
@@ -112,7 +107,6 @@ def get_default_ctx(logger):
         b"PyOCF default ctx",
         logger,
         Data,
-        MetadataUpdater,
         Cleaner,
     )
 

tests/functional/pyocf/types/metadata_updater.py

@@ -1,102 +0,0 @@
-#
-# Copyright(c) 2019-2021 Intel Corporation
-# SPDX-License-Identifier: BSD-3-Clause-Clear
-#
-
-from ctypes import c_void_p, c_int, c_uint32, Structure, CFUNCTYPE
-from threading import Thread, Event
-
-from ..ocf import OcfLib
-
-
-class MetadataUpdaterOps(Structure):
-    INIT = CFUNCTYPE(c_int, c_void_p)
-    KICK = CFUNCTYPE(None, c_void_p)
-    STOP = CFUNCTYPE(None, c_void_p)
-
-    _fields_ = [("_init", INIT), ("_kick", KICK), ("_stop", STOP)]
-
-
-class MetadataUpdater:
-    pass
-
-
-def mu_run(*, mu: MetadataUpdater, kick: Event, stop: Event):
-    while True:
-        kick.clear()
-
-        if OcfLib.getInstance().ocf_metadata_updater_run(mu):
-            continue
-
-        kick.wait()
-        if stop.is_set():
-            break
-
-
-class MetadataUpdater:
-    _instances_ = {}
-    ops = None
-
-    def __init__(self, ref):
-        self._as_parameter_ = ref
-        MetadataUpdater._instances_[ref] = self
-        self.kick_event = Event()
-        self.stop_event = Event()
-
-        lib = OcfLib.getInstance()
-        self.thread = Thread(
-            group=None,
-            target=mu_run,
-            name="mu-{}".format(
-                lib.ocf_cache_get_name(lib.ocf_metadata_updater_get_cache(self))
-            ),
-            kwargs={"mu": self, "kick": self.kick_event, "stop": self.stop_event},
-        )
-        self.thread.start()
-
-    @classmethod
-    def get_ops(cls):
-        if not cls.ops:
-            cls.ops = MetadataUpdaterOps(
-                _init=cls._init, _kick=cls._kick, _stop=cls._stop
-            )
-        return cls.ops
-
-    @classmethod
-    def get_instance(cls, ref):
-        return cls._instances_[ref]
-
-    @classmethod
-    def del_instance(cls, ref):
-        del cls._instances_[ref]
-
-    @staticmethod
-    @MetadataUpdaterOps.INIT
-    def _init(ref):
-        m = MetadataUpdater(ref)
-        return 0
-
-    @staticmethod
-    @MetadataUpdaterOps.KICK
-    def _kick(ref):
-        MetadataUpdater.get_instance(ref).kick()
-
-    @staticmethod
-    @MetadataUpdaterOps.STOP
-    def _stop(ref):
-        MetadataUpdater.get_instance(ref).stop()
-        del MetadataUpdater._instances_[ref]
-
-    def kick(self):
-        self.kick_event.set()
-
-    def stop(self):
-        self.stop_event.set()
-        self.kick_event.set()
-
-
-lib = OcfLib.getInstance()
-lib.ocf_metadata_updater_get_cache.argtypes = [c_void_p]
-lib.ocf_metadata_updater_get_cache.restype = c_void_p
-lib.ocf_metadata_updater_run.argtypes = [c_void_p]
-lib.ocf_metadata_updater_run.restype = c_uint32