1 files changed, 1 insertions, 21 deletions
diff --git a/synapse/app/_base.py b/synapse/app/_base.py
index 3840c663ab..5b97a54d45 100644
--- a/synapse/app/_base.py
+++ b/synapse/app/_base.py
@@ -22,6 +22,7 @@ from daemonize import Daemonize
from twisted.internet import error, reactor
+from synapse.app import check_bind_error
from synapse.util import PreserveLoggingContext
from synapse.util.rlimit import change_resource_limit
@@ -188,24 +189,3 @@ def listen_ssl(
logger.info("Synapse now listening on port %d (TLS)", port)
return r
-
-
-def check_bind_error(e, address, bind_addresses):
- """
- This method checks an exception occurred while binding on 0.0.0.0.
- If :: is specified in the bind addresses a warning is shown.
- The exception is still raised otherwise.
-
- Binding on both 0.0.0.0 and :: causes an exception on Linux and macOS
- because :: binds on both IPv4 and IPv6 (as per RFC 3493).
- When binding on 0.0.0.0 after :: this can safely be ignored.
-
- Args:
- e (Exception): Exception that was caught.
- address (str): Address on which binding was attempted.
- bind_addresses (list): Addresses on which the service listens.
- """
- if address == '0.0.0.0' and '::' in bind_addresses:
- logger.warn('Failed to listen on 0.0.0.0, continuing because listening on [::]')
- else:
- raise e
|
