21 lines
603 B
Python
21 lines
603 B
Python
import select
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import psycopg2
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import psycopg2.extensions
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channel = "lora"
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conn = psycopg2.connect("dbname=lorawan")
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conn.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)
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curs = conn.cursor()
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curs.execute("LISTEN {};".format(channel))
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print("Waiting for notifications on channel {}".format(channel))
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while True:
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if select.select([conn],[],[]) == ([],[],[]):
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print("Timeout")
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else:
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conn.poll()
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while conn.notifies:
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notify = conn.notifies.pop(0)
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print("Got NOTIFY: {} {} {}".format(notify.pid, notify.channel, notify.payload))
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