68 lines
1.6 KiB
Python
68 lines
1.6 KiB
Python
#!/usr/bin/env python3
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"""
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This module contains the RedisSuperStorage module which is responsible to store and load the data structure used by the constumer.
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"""
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import redis
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import os
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import json
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import time
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class RedisSuperStorage:
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def __init__(self, redis_url: str, timeout: int):
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self.r = redis.from_url(redis_url)
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self._timeout = timeout
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def get_consumer_list(self) -> dict:
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keys = self.r.keys('consumer_*')
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list_of_customers = {}
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for key in keys:
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info = json.loads((self.r.get(key) or b"{}").decode('utf-8'))
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if info:
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list_of_customers[info['uuid']] = info
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return list_of_customers
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def get_producer_list(self) -> dict:
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keys = self.r.keys('producer_*')
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list_of_producer_ip = {}
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for key in keys:
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ip = (self.r.get(key) or b"").decode('utf-8')
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if ip:
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list_of_producer_ip[key.decode('utf-8')] = ip
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return list_of_producer_ip
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def update_consumer(self, uuid: str, ip: str):
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cust_key = f"consumer_{uuid}"
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info = {
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"uuid": uuid,
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"ip": ip,
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"last_seen": time.time()
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}
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self.r.set(cust_key, json.dumps(info).encode('utf-8'))
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self.r.expire(cust_key, self._timeout)
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def get_current_ip(self) -> str:
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ip = self.r.get('current_ip')
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if ip:
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ip = ip.decode('utf-8')
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return ip
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def set_current_ip(self, ip: str):
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self.r.set('current_ip', ip.encode('utf-8'))
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current_ip = property(get_current_ip, set_current_ip)
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