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#!/usr/bin/env vpython3
# Copyright 2021 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Starts up a long running emulator for unit testing and developer use."""
import argparse
import common
import common_args
import logging
import os
import time
import subprocess
from exit_on_sig_term import ExitOnSigTerm
from fvdl_target import FvdlTarget
def main():
parser = argparse.ArgumentParser(
description='Launches a long-running emulator that can '
'be re-used for multiple test runs.')
AddLongRunningArgs(parser)
FvdlTarget.RegisterArgs(parser)
common_args.AddCommonArgs(parser)
args = parser.parse_args()
args.out_dir = None
args.device = 'fvdl'
args.cpu_cores = 4
common_args.ConfigureLogging(args)
with ExitOnSigTerm(), \
common_args.GetDeploymentTargetForArgs(args) as fvdl_target:
if fvdl_target._with_network:
logging.info('If you haven\'t set up tuntap, you may be prompted '
'for your sudo password to set up tuntap.')
fvdl_target.Start()
logging.info(
'Emulator successfully started. You can now run Chrome '
'Fuchsia tests with "%s" to target this emulator.',
fvdl_target.GetFfxTarget().format_runner_options())
logging.info('Type Ctrl-C in this terminal to shut down the emulator.')
try:
while fvdl_target._IsEmuStillRunning():
time.sleep(10)
except KeyboardInterrupt:
logging.info('Ctrl-C received; shutting down the emulator.')
pass # Silently shut down the emulator
except SystemExit:
logging.info('SIGTERM received; shutting down the emulator.')
pass # Silently shut down the emulator
def AddLongRunningArgs(arg_parser):
fvdl_args = arg_parser.add_argument_group('FVDL arguments')
fvdl_args.add_argument('--target-cpu',
default=common_args.GetHostArchFromPlatform(),
help='Set target_cpu for the emulator. Defaults '
'to the same architecture as host cpu.')
fvdl_args.add_argument('--without-network',
action='store_false',
dest='with_network',
default=True,
help='Run emulator without emulated nic via tun/tap.')
if __name__ == '__main__':
main()
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