def initialize_dht(
bootstrap_ip_port_pair_list: List[Tuple[str, int]],
listen_port: int,
) -> None:
"""
connects to the distributed hash table
if no bootstrap ip port pair list is given, it starts a new dht
:param bootstrap_ip_port_pair_list: list of ip port tuples to connect to \
the dht
:param listen_port: port to listen on
:return: instance of server
"""
global _node_instance
get_logger("kademlia")
logger.debug("set up DHT: %s", str(bootstrap_ip_port_pair_list))
node = Server(storage=DropPeerDHTStorage())
node.listen(listen_port)
loop = asyncio.get_event_loop()
if len(bootstrap_ip_port_pair_list) > 0:
loop.run_until_complete(node.bootstrap(bootstrap_ip_port_pair_list))
_node_instance = node
def log(self) -> logging.Logger:
"""
A logger for this object
:return: a logger object for this class
"""
if self._log is None:
self._log = get_logger(
'.'.join([
__name__,
self.__class__.__name__,
crypto_util.b64encode(self.id).decode('utf-8'),
]), )
return self._log
"""Functions for initializing a new node"""
import asyncio
import os
import shutil
from pathlib import Path
from typing import Optional
import aiofiles # type: ignore
from syncr_backend.constants import DEFAULT_INIT_DIR
from syncr_backend.util import crypto_util
from syncr_backend.util.log_util import get_logger
logger = get_logger(__name__)
def force_initialize_node(init_directory: Optional[str] = None) -> None:
"""
Initialize new node in .node directory
and overwrite existing .node dir
:param init_directory: directory where node files are stored \
init_directory of none uses ~/.{DEFAULT_INIT_DIR}
"""
logger.warning("forcing node initialization of %s", init_directory)
full_directory = get_full_init_directory(init_directory)
if os.path.exists(full_directory):
shutil.rmtree(full_directory)
initialize_node(full_directory)
