mirror of
https://github.com/ComradCollective/Comrad
synced 2024-11-17 21:25:37 +00:00
88 lines
2.5 KiB
Python
88 lines
2.5 KiB
Python
import asyncio
|
|
from kademlia.network import Server
|
|
from kademlia.storage import *
|
|
import shelve
|
|
from collections import OrderedDict
|
|
import pickle,os
|
|
|
|
class HalfForgetfulStorage(ForgetfulStorage):
|
|
def __init__(self, ttl=604800):
|
|
"""
|
|
By default, max age is a week.
|
|
"""
|
|
self.fn='sto2.dat'
|
|
if not os.path.exists(self.fn):
|
|
self.data={}
|
|
else:
|
|
with open(self.fn,'rb') as f:
|
|
self.data=pickle.load(f)
|
|
|
|
|
|
print('loaded:',self.data)
|
|
|
|
#self.data = pickle.open('sto.dat','rb') #,writeback=True)
|
|
# self.data = self.store.get('OrderedDict',OrderedDict())
|
|
self.ttl = ttl
|
|
|
|
def __setitem__(self, key, value):
|
|
self.data[key] = (time.monotonic(), value)
|
|
self.write()
|
|
|
|
def write(self):
|
|
with open(self.fn,'wb') as f:
|
|
pickle.dump(self.data, f, protocol=pickle.HIGHEST_PROTOCOL)
|
|
|
|
def get(self, key, default=None):
|
|
# self.cull()
|
|
if key in self.data:
|
|
print('????',self.data[key])
|
|
return self[key]
|
|
return default
|
|
|
|
def __getitem__(self, key):
|
|
return self.data[key][1]
|
|
|
|
def __repr__(self):
|
|
return repr(self.data)
|
|
|
|
def iter_older_than(self, seconds_old):
|
|
min_birthday = time.monotonic() - seconds_old
|
|
zipped = self._triple_iter()
|
|
matches = takewhile(lambda r: min_birthday >= r[1], zipped)
|
|
return list(map(operator.itemgetter(0, 2), matches))
|
|
|
|
def _triple_iter(self):
|
|
ikeys = self.data.keys()
|
|
ibirthday = map(operator.itemgetter(0), self.data.values())
|
|
ivalues = map(operator.itemgetter(1), self.data.values())
|
|
return zip(ikeys, ibirthday, ivalues)
|
|
|
|
def __iter__(self):
|
|
ikeys = self.data.keys()
|
|
ivalues = map(operator.itemgetter(1), self.data.values())
|
|
return zip(ikeys, ivalues)
|
|
|
|
|
|
|
|
host="68.66.241.111"
|
|
# host="0.0.0.0"
|
|
|
|
async def run():
|
|
# Create a node and start listening on port 5678
|
|
node = Server() #storage=HalfForgetfulStorage())
|
|
await node.listen(8469)
|
|
|
|
# Bootstrap the node by connecting to other known nodes, in this case
|
|
# replace 123.123.123.123 with the IP of another node and optionally
|
|
# give as many ip/port combos as you can for other nodes.
|
|
await node.bootstrap([(host, 8468)])
|
|
|
|
# set a value for the key "my-key" on the network
|
|
# await node.set("my-key2", "my awesome value")
|
|
|
|
# get the value associated with "my-key" from the network
|
|
result = await node.get("my-key2")
|
|
print(result)
|
|
|
|
asyncio.run(run())
|