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import logging
from twisted.internet.defer import inlineCallbacks, returnValue
from .wormholeoffer import WormholeOffer
from .avahioffer import AvahiHTTPOffer
try:
from .bluetoothoffer import BluetoothOffer
except ImportError:
BluetoothOffer = None
log = logging.getLogger(__name__)
class Offer:
def __init__(self, key, app_id=None, w_code=None):
self.key = key
self.app_id = app_id
self.w_code = w_code
self.w_offer = None
self.a_offer = None
self.bt_offer = None
self.b_data = None
@inlineCallbacks
def allocate_code(self, worm=True):
self.a_offer = AvahiHTTPOffer(self.key)
code, a_data = self.a_offer.allocate_code()
discovery_data = [a_data]
if worm:
self.w_offer = WormholeOffer(self.key)
w_info = yield self.w_offer.allocate_code()
code, w_data = w_info
if w_data:
discovery_data.append(w_data)
if BluetoothOffer:
self.bt_offer = BluetoothOffer(self.key)
self.b_data = yield self.bt_offer.allocate_code()
if self.b_data:
discovery_data.append(self.b_data)
discovery_data = ";".join(discovery_data)
# As design when we use both avahi and wormhole we only display
# the wormhole code
returnValue((code, discovery_data))
def start(self):
avahi_defers = self.a_offer.start()
d = [avahi_defers] if avahi_defers else []
if self.w_offer:
w_d = self.w_offer.start()
d.append(w_d)
# If we have a Bluetooth code, so if the Bluetooth has been
# correctly initialized
if not self.b_data:
log.info("Bluetooth as been skipped")
else:
bt_d = self.bt_offer.start()
d.append(bt_d)
return d
def stop_avahi(self):
if self.a_offer:
self.a_offer.stop()
# We need to deallocate the avahi object or the used port will never be released
self.a_offer = None
def stop_wormhole(self):
if self.w_offer:
self.w_offer.stop()
self.w_offer = None
def stop_bt(self):
if self.bt_offer:
self.bt_offer.stop()
self.bt_offer = None
def stop(self):
self.stop_avahi()
self.stop_wormhole()
self.stop_bt()
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