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#!/usr/bin/env python
#
# Copyright (c) 2013 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.
"""Command line tool for forwarding ports from a device to the host.
Allows an Android device to connect to services running on the host machine,
i.e., "adb forward" in reverse. Requires |host_forwarder| and |device_forwarder|
to be built.
"""
import logging
import optparse
import sys
import time
from devil.android import device_blacklist
from devil.android import device_errors
from devil.android import device_utils
from devil.android.sdk import adb_wrapper
from devil.utils import run_tests_helper
from pylib import constants
from pylib import forwarder
def main(argv):
parser = optparse.OptionParser(usage='Usage: %prog [options] device_port '
'host_port [device_port_2 host_port_2] ...',
description=__doc__)
parser.add_option('-v',
'--verbose',
dest='verbose_count',
default=0,
action='count',
help='Verbose level (multiple times for more)')
parser.add_option('--device',
help='Serial number of device we should use.')
parser.add_option('--blacklist-file', help='Device blacklist JSON file.')
parser.add_option('--debug', action='store_const', const='Debug',
dest='build_type', default='Release',
help='Use Debug build of host tools instead of Release.')
options, args = parser.parse_args(argv)
run_tests_helper.SetLogLevel(options.verbose_count)
if len(args) < 2 or not len(args) % 2:
parser.error('Need even number of port pairs')
sys.exit(1)
try:
port_pairs = map(int, args[1:])
port_pairs = zip(port_pairs[::2], port_pairs[1::2])
except ValueError:
parser.error('Bad port number')
sys.exit(1)
if options.blacklist_file:
blacklist = device_blacklist.Blacklist(options.blacklist_file)
else:
blacklist = None
devices = device_utils.DeviceUtils.HealthyDevices(blacklist)
if options.device:
device = next((d for d in devices if d == options.device), None)
if not device:
raise device_errors.DeviceUnreachableError(options.device)
elif devices:
device = devices[0]
logging.info('No device specified. Defaulting to %s', devices[0])
else:
raise device_errors.NoDevicesError()
constants.SetBuildType(options.build_type)
try:
forwarder.Forwarder.Map(port_pairs, device)
while True:
time.sleep(60)
except KeyboardInterrupt:
sys.exit(0)
finally:
forwarder.Forwarder.UnmapAllDevicePorts(device)
if __name__ == '__main__':
main(sys.argv)
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