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Different approach to handle no data returned by uBridge hypervisors. Fixes #1289.

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This commit is contained in:
grossmj 2018-03-07 19:42:19 +07:00
parent 7c14e21f4a
commit 00e781826b
1 changed files with 9 additions and 4 deletions
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13
gns3server/ubridge/ubridge_hypervisor.py
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@ -214,6 +214,8 @@ class UBridgeHypervisor:
# Now retrieve the result
data = []
buf = ''
retries = 0
max_retries = 10
while True:
try:
try:
@ -229,11 +231,14 @@ class UBridgeHypervisor:
log.warning("Connection reset received while reading uBridge response: {}".format(e))
continue
if not chunk:
if self.is_running():
log.warning("No data returned from {host}:{port}".format(host=self._host, port=self._port))
if retries > max_retries:
raise UbridgeError("No data returned from {host}:{port}, uBridge process running: {run}"
.format(host=self._host, port=self._port, run=self.is_running()))
else:
retries += 1
yield from asyncio.sleep(0.1)
continue
raise UbridgeError("No data returned from {host}:{port}, uBridge process running: {run}"
.format(host=self._host, port=self._port, run=self.is_running()))
retries = 0
buf += chunk.decode("utf-8")
except OSError as e:
raise UbridgeError("Lost communication with {host}:{port} :{error}, uBridge process running: {run}"