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Fix a race condition when editing a qemu vm and connecting it

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Fix #997
This commit is contained in:
Julien Duponchelle 2017-05-03 16:01:51 +02:00
parent ecba758c58
commit 078a6d8d34
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GPG Key ID: CE8B29639E07F5E8
1 changed files with 7 additions and 3 deletions
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10
gns3server/compute/qemu/qemu_vm.py
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@ -1131,9 +1131,13 @@ class QemuVM(BaseNode):
adapter_number=adapter_number))
if self.ubridge:
yield from self._add_ubridge_udp_connection("QEMU-{}-{}".format(self._id, adapter_number),
self._local_udp_tunnels[adapter_number][1],
nio)
try:
yield from self._add_ubridge_udp_connection("QEMU-{}-{}".format(self._id, adapter_number),
self._local_udp_tunnels[adapter_number][1],
nio)
except IndexError:
raise QemuError('Adapter {adapter_number} does not exist on QEMU VM "{name}"'.format(name=self._name,
adapter_number=adapter_number))
elif self.is_running():
raise QemuError("Sorry, adding a link to a started Qemu VM is not supported without using uBridge.")