NgTech-LTD/gns3-server
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Merge remote-tracking branch 'origin/2.2' into 3.0

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# Conflicts:
#	CHANGELOG
#	dev-requirements.txt
#	gns3server/crash_report.py
#	gns3server/version.py
#	requirements.txt
This commit is contained in:
grossmj committed 2026-02-11 17:52:14 +08:00
2 parents c1f8202d7c dd87ccff4d
commit aabfd08524
4 files changed
+24 -7
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gns3server/utils/asyncio/telnet_server.py
+14 -4
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@@ -184,15 +184,25 @@ class AsyncioTelnetServer:
await writer.drain()
async def run(self, network_reader, network_writer):
sock = network_writer.get_extra_info("socket")
sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
# 60 sec keep alives, close tcp session after 4 missed
# Will keep a firewall from aging out telnet console.
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, 60)
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, 10)
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, 4)
try:
# Keepalive options are platform dependent: Linux uses TCP_KEEPIDLE,
# while macOS exposes TCP_KEEPALIVE (in Python >= 3.10).
if hasattr(socket, "TCP_KEEPIDLE"):
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, 60)
elif hasattr(socket, "TCP_KEEPALIVE"):
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPALIVE, 60)
else:
raise AttributeError("module 'socket' has no attribute 'TCP_KEEPIDLE' or 'TCP_KEEPALIVE'")
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, 10)
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, 4)
except (AttributeError, OSError):
log.debug("Failed to tune TCP keepalive for telnet client; using OS defaults", exc_info=True)
#log.debug("New connection from {}".format(sock.getpeername()))
# Keep track of connected clients