xch-blockchain/src/server/reconnect_task.py
2020-07-16 13:05:43 -07:00

35 lines
1.1 KiB
Python

import asyncio
import socket
import logging
from src.types.peer_info import PeerInfo
log = logging.getLogger(__name__)
def start_reconnect_task(server, peer_info_arg, log, auth):
"""
Start a background task that checks connection and reconnects periodically to a peer.
"""
peer_info = PeerInfo(socket.gethostbyname(peer_info_arg.host), peer_info_arg.port)
async def connection_check():
while True:
peer_retry = True
for connection in server.global_connections.get_connections():
if (
connection.get_peer_info() == peer_info
or connection.get_peer_info() == peer_info_arg
):
peer_retry = False
if peer_retry:
log.info(f"Reconnecting to peer {peer_info}")
try:
await server.start_client(peer_info, None, auth=auth)
except Exception as e:
log.warning(f"Failed to connect to {peer_info} {e}")
await asyncio.sleep(3)
return asyncio.create_task(connection_check())