5c757fca09
Updating the P4Switch class to use different mechanism for checking when the switch is listening on the Thrift port. This might fix an issues where Mininet hangs on start.
22 lines
796 B
Python
22 lines
796 B
Python
# Copyright 2017-present Open Networking Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import psutil
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def check_listening_on_port(port):
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for c in psutil.net_connections(kind='inet'):
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if c.status == 'LISTEN' and c.laddr[1] == port:
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return True
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return False
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