Retry on EADDRINUSE.

This commit is contained in:
Jonathan Moody 2022-09-21 11:38:07 -05:00
parent bc4e3aa7fb
commit 8b7d1afd19

View file

@ -2,6 +2,7 @@ import os
import sys import sys
import math import math
import time import time
import errno
import codecs import codecs
import typing import typing
import asyncio import asyncio
@ -273,6 +274,7 @@ class SessionManager:
except OSError as e: # don't suppress CancelledError except OSError as e: # don't suppress CancelledError
self.logger.error(f'{kind} server failed to listen on {host}:' self.logger.error(f'{kind} server failed to listen on {host}:'
f'{port:d} :{e!r}') f'{port:d} :{e!r}')
raise
else: else:
self.logger.info(f'{kind} server listening on {host}:{port:d}') self.logger.info(f'{kind} server listening on {host}:{port:d}')
@ -282,8 +284,19 @@ class SessionManager:
""" """
env = self.env env = self.env
host = env.cs_host() host = env.cs_host()
if env.tcp_port is not None: if env.tcp_port is None:
return
started = False
while not started:
try:
await self._start_server('TCP', host, env.tcp_port) await self._start_server('TCP', host, env.tcp_port)
started = True
except OSError as e:
if e.errno is errno.EADDRINUSE:
await asyncio.sleep(3)
continue
raise
async def _close_servers(self, kinds): async def _close_servers(self, kinds):
"""Close the servers of the given kinds (TCP etc.).""" """Close the servers of the given kinds (TCP etc.)."""