Rename third_party/webpagereplay to third_party/web-page-replay

telemetry/third_party/webpagereplay/daemonserver.py

-#!/usr/bin/env python
-# Copyright 2010 Google Inc. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import threading
-
-
-class DaemonServer(object):
-  """Base class which manages creation and cleanup of daemon style servers."""
-
-  def __enter__(self):
-    # TODO: Because of python's Global Interpreter Lock (GIL), the threads
-    # will run on the same CPU. Consider using processes instead because
-    # the components do not need to communicate with each other. On Linux,
-    # "taskset" could be used to assign each process to specific CPU/core.
-    # Of course, only bother with this if the processing speed is an issue.
-    # Some related discussion: http://stackoverflow.com/questions/990102/python-
-    # global-interpreter-lock-gil-workaround-on-multi-core-systems-using-tasks
-    thread = threading.Thread(target=self.serve_forever)
-    thread.daemon = True  # Python exits when no non-daemon threads are left.
-    thread.start()
-    return self
-
-  def __exit__(self, unused_exc_type, unused_exc_val, unused_exc_tb):
-    self.cleanup()