1 files changed, 173 insertions, 0 deletions
diff --git a/third_party/libwebrtc/build/fuchsia/common_args.py b/third_party/libwebrtc/build/fuchsia/common_args.py
new file mode 100644
index 0000000000..691fad67e6
--- /dev/null
+++ b/third_party/libwebrtc/build/fuchsia/common_args.py
@@ -0,0 +1,173 @@
+# Copyright 2018 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import argparse
+import importlib
+import logging
+import os
+import sys
+
+from common import GetHostArchFromPlatform
+
+BUILTIN_TARGET_NAMES = ['aemu', 'qemu', 'device', 'fvdl']
+
+
+def _AddTargetSpecificationArgs(arg_parser):
+  """Returns a parser that handles the target type used for the test run."""
+
+  device_args = arg_parser.add_argument_group(
+      'target',
+      'Arguments specifying the Fuchsia target type. To see a list of '
+      'arguments available for a specific target type, specify the desired '
+      'target to use and add the --help flag.')
+  device_args.add_argument('--target-cpu',
+                           default=GetHostArchFromPlatform(),
+                           help='GN target_cpu setting for the build. Defaults '
+                           'to the same architecture as host cpu.')
+  device_args.add_argument('--device',
+                           default=None,
+                           choices=BUILTIN_TARGET_NAMES + ['custom'],
+                           help='Choose to run on aemu|qemu|device. '
+                           'By default, Fuchsia will run on AEMU on x64 '
+                           'hosts and QEMU on arm64 hosts. Alternatively, '
+                           'setting to custom will require specifying the '
+                           'subclass of Target class used via the '
+                           '--custom-device-target flag.')
+  device_args.add_argument('-d',
+                           action='store_const',
+                           dest='device',
+                           const='device',
+                           help='Run on device instead of emulator.')
+  device_args.add_argument('--custom-device-target',
+                           default=None,
+                           help='Specify path to file that contains the '
+                           'subclass of Target that will be used. Only '
+                           'needed if device specific operations such as '
+                           'paving is required.')
+
+
+def _GetPathToBuiltinTarget(target_name):
+  return '%s_target' % target_name
+
+
+def _LoadTargetClass(target_path):
+  try:
+    loaded_target = importlib.import_module(target_path)
+  except ImportError:
+    logging.error(
+        'Cannot import from %s. Make sure that --custom-device-target '
+        'is pointing to a file containing a target '
+        'module.' % target_path)
+    raise
+  return loaded_target.GetTargetType()
+
+
+def AddCommonArgs(arg_parser):
+  """Adds command line arguments to |arg_parser| for options which are shared
+  across test and executable target types.
+
+  Args:
+    arg_parser: an ArgumentParser object."""
+
+  common_args = arg_parser.add_argument_group('common', 'Common arguments')
+  common_args.add_argument('--runner-logs-dir',
+                           help='Directory to write test runner logs to.')
+  common_args.add_argument('--exclude-system-logs',
+                           action='store_false',
+                           dest='include_system_logs',
+                           help='Do not show system log data.')
+  common_args.add_argument('--verbose',
+                           '-v',
+                           default=False,
+                           action='store_true',
+                           help='Enable debug-level logging.')
+  common_args.add_argument(
+      '--out-dir',
+      type=os.path.realpath,
+      help=('Path to the directory in which build files are located. '
+            'Defaults to current directory.'))
+  common_args.add_argument('--system-log-file',
+                           help='File to write system logs to. Specify '
+                           '\'-\' to log to stdout.')
+  common_args.add_argument('--fuchsia-out-dir',
+                           help='Path to a Fuchsia build output directory. '
+                           'Setting the GN arg '
+                           '"default_fuchsia_build_dir_for_installation" '
+                           'will cause it to be passed here.')
+
+  package_args = arg_parser.add_argument_group('package', 'Fuchsia Packages')
+  package_args.add_argument(
+      '--package',
+      action='append',
+      help='Paths of the packages to install, including '
+      'all dependencies.')
+  package_args.add_argument(
+      '--package-name',
+      help='Name of the package to execute, defined in ' + 'package metadata.')
+
+  emu_args = arg_parser.add_argument_group('emu', 'General emulator arguments')
+  emu_args.add_argument('--cpu-cores',
+                        type=int,
+                        default=4,
+                        help='Sets the number of CPU cores to provide.')
+  emu_args.add_argument('--ram-size-mb',
+                        type=int,
+                        default=8192,
+                        help='Sets the emulated RAM size (MB).'),
+  emu_args.add_argument('--allow-no-kvm',
+                        action='store_false',
+                        dest='require_kvm',
+                        default=True,
+                        help='Do not require KVM acceleration for '
+                        'emulators.')
+
+
+# Register the arguments for all known target types and the optional custom
+# target type (specified on the commandline).
+def AddTargetSpecificArgs(arg_parser):
+  # Parse the minimal set of arguments to determine if custom targets need to
+  # be loaded so that their arguments can be registered.
+  target_spec_parser = argparse.ArgumentParser(add_help=False)
+  _AddTargetSpecificationArgs(target_spec_parser)
+  target_spec_args, _ = target_spec_parser.parse_known_args()
+  _AddTargetSpecificationArgs(arg_parser)
+
+  for target in BUILTIN_TARGET_NAMES:
+    _LoadTargetClass(_GetPathToBuiltinTarget(target)).RegisterArgs(arg_parser)
+  if target_spec_args.custom_device_target:
+    _LoadTargetClass(
+        target_spec_args.custom_device_target).RegisterArgs(arg_parser)
+
+
+def ConfigureLogging(args):
+  """Configures the logging level based on command line |args|."""
+
+  logging.basicConfig(level=(logging.DEBUG if args.verbose else logging.INFO),
+                      format='%(asctime)s:%(levelname)s:%(name)s:%(message)s')
+
+  # The test server spawner is too noisy with INFO level logging, so tweak
+  # its verbosity a bit by adjusting its logging level.
+  logging.getLogger('chrome_test_server_spawner').setLevel(
+      logging.DEBUG if args.verbose else logging.WARN)
+
+  # Verbose SCP output can be useful at times but oftentimes is just too noisy.
+  # Only enable it if -vv is passed.
+  logging.getLogger('ssh').setLevel(
+      logging.DEBUG if args.verbose else logging.WARN)
+
+
+def GetDeploymentTargetForArgs(args):
+  """Constructs a deployment target object using command line arguments.
+     If needed, an additional_args dict can be used to supplement the
+     command line arguments."""
+
+  if args.device == 'custom':
+    return _LoadTargetClass(args.custom_device_target).CreateFromArgs(args)
+
+  if args.device:
+    device = args.device
+  else:
+    device = 'aemu' if args.target_cpu == 'x64' else 'qemu'
+
+  return _LoadTargetClass(_GetPathToBuiltinTarget(device)).CreateFromArgs(args)