def _create_session_for_request(self, infohash, tracker_url):
# skip no-DHT
if tracker_url == u'no-DHT':
return
# >> Step 1: Try to append the request to an existing session
# check there is any existing session that scrapes this torrent
request_handled = False
for session in self._session_list:
if session.tracker_url != tracker_url or session.is_failed:
continue
if session.has_request(infohash):
# a torrent check is already there, ignore this request
request_handled = True
break
if session.can_add_request():
session.add_request(infohash)
self._update_pending_response(infohash)
request_handled = True
break
if request_handled:
self._logger.debug(u'infohash [%s] appended', hexlify(infohash))
return
# >> Step 2: No session to append to, create a new one
# create a new session for this request
# before creating a new session, check if the tracker is alive
if not self._session.lm.tracker_manager.should_check_tracker(tracker_url):
self._logger.warn(u"skipping recently failed tracker %s", tracker_url)
return
session = None
try:
session = create_tracker_session(tracker_url, self._on_result_from_session)
connection_established = session.create_connection()
if not connection_established:
raise RuntimeError(u"Could not establish connection")
session.add_request(infohash)
self._session_list.append(session)
# update the number of responses this torrent is expecting
self._update_pending_response(infohash)
self._logger.debug(u"Session created for infohash %s", hexlify(infohash))
except Exception as e:
self._logger.info(u"Failed to create session for tracker %s: %s", tracker_url, e)
if session:
session.cleanup()
self._session.lm.tracker_manager.update_tracker_info(tracker_url, False)
def _create_session_for_request(self, tracker_url, timeout=20):
session = create_tracker_session(tracker_url, timeout, self.socket_mgr, connection_pool=self.connection_pool)
if tracker_url not in self._session_list:
self._session_list[tracker_url] = []
self._session_list[tracker_url].append(session)
self._logger.debug(u"Session created for tracker %s", tracker_url)
return session
def _create_session_for_request(self, infohash, tracker_url):
# skip no-DHT
if tracker_url == u'no-DHT':
return
# >> Step 1: Try to append the request to an existing session
# check there is any existing session that scrapes this torrent
request_handled = False
for session in self._session_list:
if session.tracker_url != tracker_url or session.is_failed:
continue
if session.has_request(infohash):
# a torrent check is already there, ignore this request
request_handled = True
break
if session.can_add_request():
session.add_request(infohash)
self._update_pending_response(infohash)
request_handled = True
break
if request_handled:
self._logger.debug(u'infohash [%s] appended', hexlify(infohash))
return
# >> Step 2: No session to append to, create a new one
# create a new session for this request
# before creating a new session, check if the tracker is alive
if not self._session.lm.tracker_manager.should_check_tracker(
tracker_url):
self._logger.warn(u"skipping recently failed tracker %s",
tracker_url)
return
session = None
try:
session = create_tracker_session(tracker_url,
self._on_result_from_session)
connection_established = session.create_connection()
if not connection_established:
raise RuntimeError(u"Could not establish connection")
session.add_request(infohash)
self._session_list.append(session)
# update the number of responses this torrent is expecting
self._update_pending_response(infohash)
self._logger.debug(u"Session created for infohash %s",
hexlify(infohash))
except Exception as e:
self._logger.info(u"Failed to create session for tracker %s: %s",
tracker_url, e)
if session:
session.cleanup()
self._session.lm.tracker_manager.update_tracker_info(
tracker_url, False)