def _maintain_redirects(self):
# setup the gateway if necessary
if not self.upnp:
try:
self.upnp = yield from_future(UPnP.discover())
log.info("found upnp gateway: %s",
self.upnp.gateway.manufacturer_string)
except Exception as err:
log.warning("upnp discovery failed: %s", err)
return
# update the external ip
try:
external_ip = yield from_future(self.upnp.get_external_ip())
if external_ip == "0.0.0.0":
log.warning(
"upnp doesn't know the external ip address (returned 0.0.0.0), using fallback"
)
external_ip = CS.get_external_ip()
if self.external_ip and self.external_ip != external_ip:
log.info("external ip changed from %s to %s", self.external_ip,
external_ip)
elif not self.external_ip:
log.info("got external ip: %s", external_ip)
self.external_ip = external_ip
except (asyncio.TimeoutError, UPnPError):
pass
if not self.upnp_redirects: # setup missing redirects
try:
upnp_redirects = yield DeferredDict({
"UDP":
from_future(
self.upnp.get_next_mapping(self._int_dht_node_port,
"UDP", "LBRY DHT port")),
"TCP":
from_future(
self.upnp.get_next_mapping(self._int_peer_port, "TCP",
"LBRY peer port"))
})
self.upnp_redirects.update(upnp_redirects)
except (asyncio.TimeoutError, UPnPError):
self.upnp = None
return self._maintain_redirects()
else: # check existing redirects are still active
found = set()
mappings = yield from_future(self.upnp.get_redirects())
for mapping in mappings:
proto = mapping['NewProtocol']
if proto in self.upnp_redirects and mapping[
'NewExternalPort'] == self.upnp_redirects[proto]:
if mapping['NewInternalClient'] == self.upnp.lan_address:
found.add(proto)
if 'UDP' not in found:
try:
udp_port = yield from_future(
self.upnp.get_next_mapping(self._int_dht_node_port,
"UDP", "LBRY DHT port"))
self.upnp_redirects['UDP'] = udp_port
log.info("refreshed upnp redirect for dht port: %i",
udp_port)
except (asyncio.TimeoutError, UPnPError):
del self.upnp_redirects['UDP']
if 'TCP' not in found:
try:
tcp_port = yield from_future(
self.upnp.get_next_mapping(self._int_peer_port, "TCP",
"LBRY peer port"))
self.upnp_redirects['TCP'] = tcp_port
log.info("refreshed upnp redirect for peer port: %i",
tcp_port)
except (asyncio.TimeoutError, UPnPError):
del self.upnp_redirects['TCP']
if 'TCP' in self.upnp_redirects and 'UDP' in self.upnp_redirects:
log.debug("upnp redirects are still active")
def _maintain_redirects(self):
# setup the gateway if necessary
if not self.upnp:
try:
self.upnp = yield from_future(UPnP.discover())
log.info("found upnp gateway: %s",
self.upnp.gateway.manufacturer_string)
except Exception as err:
log.warning("upnp discovery failed: %s", err)
self.upnp = None
# update the external ip
external_ip = None
if self.upnp:
try:
external_ip = yield from_future(self.upnp.get_external_ip())
if external_ip != "0.0.0.0" and not self.external_ip:
log.info("got external ip from UPnP: %s", external_ip)
except (asyncio.TimeoutError, UPnPError):
pass
if external_ip == "0.0.0.0" or not external_ip:
log.warning(
"unable to get external ip from UPnP, checking lbry.io fallback"
)
external_ip = yield CS.get_external_ip()
if self.external_ip and self.external_ip != external_ip:
log.info("external ip changed from %s to %s", self.external_ip,
external_ip)
self.external_ip = external_ip
assert self.external_ip is not None # TODO: handle going/starting offline
if not self.upnp_redirects and self.upnp: # setup missing redirects
try:
log.info("add UPnP port mappings")
d = {}
if PEER_PROTOCOL_SERVER_COMPONENT not in self.component_manager.skip_components:
d["TCP"] = from_future(
self.upnp.get_next_mapping(self._int_peer_port, "TCP",
"LBRY peer port"))
if DHT_COMPONENT not in self.component_manager.skip_components:
d["UDP"] = from_future(
self.upnp.get_next_mapping(self._int_dht_node_port,
"UDP", "LBRY DHT port"))
upnp_redirects = yield DeferredDict(d)
log.info("set up redirects: %s", upnp_redirects)
self.upnp_redirects.update(upnp_redirects)
except (asyncio.TimeoutError, UPnPError):
self.upnp = None
return self._maintain_redirects()
elif self.upnp: # check existing redirects are still active
found = set()
mappings = yield from_future(self.upnp.get_redirects())
for mapping in mappings:
proto = mapping['NewProtocol']
if proto in self.upnp_redirects and mapping[
'NewExternalPort'] == self.upnp_redirects[proto]:
if mapping['NewInternalClient'] == self.upnp.lan_address:
found.add(proto)
if 'UDP' not in found and DHT_COMPONENT not in self.component_manager.skip_components:
try:
udp_port = yield from_future(
self.upnp.get_next_mapping(self._int_dht_node_port,
"UDP", "LBRY DHT port"))
self.upnp_redirects['UDP'] = udp_port
log.info("refreshed upnp redirect for dht port: %i",
udp_port)
except (asyncio.TimeoutError, UPnPError):
del self.upnp_redirects['UDP']
if 'TCP' not in found and PEER_PROTOCOL_SERVER_COMPONENT not in self.component_manager.skip_components:
try:
tcp_port = yield from_future(
self.upnp.get_next_mapping(self._int_peer_port, "TCP",
"LBRY peer port"))
self.upnp_redirects['TCP'] = tcp_port
log.info("refreshed upnp redirect for peer port: %i",
tcp_port)
except (asyncio.TimeoutError, UPnPError):
del self.upnp_redirects['TCP']
if ('TCP' in self.upnp_redirects and PEER_PROTOCOL_SERVER_COMPONENT
not in self.component_manager.skip_components) and (
'UDP' in self.upnp_redirects and DHT_COMPONENT
not in self.component_manager.skip_components):
if self.upnp_redirects:
log.debug("upnp redirects are still active")