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Handle connection failures 

The service we're proxying to might not be responding. Make sure
this is caught sanely and we get nice logging and messages back to
the client.
This commit is contained in:
Pierre Ossman 2018-10-23 16:31:57 +02:00
parent 8eb5cb0cdc
commit f0bdb0a621
1 changed files with 10 additions and 5 deletions
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15
websockify/websocketproxy.py
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@ -112,11 +112,16 @@ Traffic Legend:
msg += " (using SSL)"
self.log_message(msg)
tsock = websockifyserver.WebSockifyServer.socket(self.server.target_host,
self.server.target_port,
connect=True,
use_ssl=self.server.ssl_target,
unix_socket=self.server.unix_target)
try:
tsock = websockifyserver.WebSockifyServer.socket(self.server.target_host,
self.server.target_port,
connect=True,
use_ssl=self.server.ssl_target,
unix_socket=self.server.unix_target)
except Exception:
self.log_message("Failed to connect to %s:%s",
self.server.target_host, self.server.target_port)
raise self.CClose(1011, "Failed to connect to downstream server")
self.request.setsockopt(socket.SOL_TCP, socket.TCP_NODELAY, 1)
if not self.server.wrap_cmd and not self.server.unix_target: