sdk/platform-tools/systrace/catapult/telemetry/telemetry/core/network_controller.py

   1 # Copyright 2014 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 from py_trace_event import trace_event
   6
   7
   8 class NetworkController(object):
   9   """Control network settings and servers to simulate the Web.
  10
  11   Network changes include forwarding device ports to host platform ports.
  12   Web Page Replay is used to record and replay HTTP/HTTPS responses.
  13   """
  14
  15   __metaclass__ = trace_event.TracedMetaClass
  16
  17   def __init__(self, network_controller_backend):
  18     self._network_controller_backend = network_controller_backend
  19
  20   def InitializeIfNeeded(self, use_live_traffic=False):
  21     self._network_controller_backend.InitializeIfNeeded(use_live_traffic)
  22
  23   def Open(self, wpr_mode, extra_wpr_args):
  24     self._network_controller_backend.Open(wpr_mode, extra_wpr_args)
  25
  26   def UpdateTrafficSettings(self, round_trip_latency_ms=None,
  27       download_bandwidth_kbps=None, upload_bandwidth_kbps=None):
  28     self._network_controller_backend.ts_proxy_server.UpdateTrafficSettings(
  29       round_trip_latency_ms, download_bandwidth_kbps, upload_bandwidth_kbps)
  30
  31   @property
  32   def is_open(self):
  33     return self._network_controller_backend.is_open
  34
  35   def Close(self):
  36     self._network_controller_backend.Close()
  37
  38   def StartReplay(self, archive_path, make_javascript_deterministic=False):
  39     self._network_controller_backend.StartReplay(
  40         archive_path, make_javascript_deterministic)
  41
  42   def StopReplay(self):
  43     self._network_controller_backend.StopReplay()