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Preserve meaningful last_error in LibevConnection close paths #700

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Preserve meaningful last_error in LibevConnection close paths #700

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7 changes: 6 additions & 1 deletion cassandra/io/libevreactor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -300,7 +300,10 @@ def close(self):
msg = "Connection to %s was closed" % self.endpoint
if self.last_error:
msg += ": %s" % (self.last_error,)
self.error_all_requests(ConnectionShutdown(msg))
shutdown_exc = ConnectionShutdown(msg)
self.error_all_requests(shutdown_exc)
if not self.connected_event.is_set():
self.last_error = shutdown_exc
self.connected_event.set()

def handle_write(self, watcher, revents, errno=None):
Expand Down Expand Up @@ -378,6 +381,8 @@ def handle_read(self, watcher, revents, errno=None):
self.process_io_buffer()
else:
log.debug("Connection %s closed by server", self)
self.last_error = ConnectionShutdown(
"Connection to %s was closed by server" % self.endpoint)
self.close()

def push(self, data):
Expand Down
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