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Comrad/p2p/kad.py
quadrismegistus 868976ce66 fixes?
2020-08-21 09:18:20 +01:00

255 lines
8.3 KiB
Python

# ###
# # Kademlia patches
# ###
# from kademlia.storage import *
# from kademlia.network import *
# from kademlia.routing import RoutingTable
# from rpcudp.protocol import RPCProtocol
# import os
# handler = logging.StreamHandler()
# formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
# handler.setFormatter(formatter)
# log = logging.getLogger('kademlia')
# log.addHandler(handler)
# log.setLevel(logging.DEBUG)
# PROXY_ADDR = ('0.0.0.0',8368)
# """UDP proxy server."""
# import asyncio
# class ProxyDatagramProtocol(asyncio.DatagramProtocol):
# def __init__(self, remote_address=PROXY_ADDR):
# self.remote_address = remote_address
# self.remotes_d = {}
# super().__init__()
# def connection_made(self, transport):
# self.transport = transport
# def datagram_received(self, data, addr):
# if addr in self.remotes_d:
# self.remotes_d[addr].transport.sendto(data)
# return
# loop = asyncio.get_event_loop()
# self.remotes_d[addr] = RemoteDatagramProtocol(self, addr, data)
# coro = loop.create_datagram_endpoint(
# lambda: self.remotes_d[addr], remote_addr=self.remote_address)
# asyncio.ensure_future(coro)
# class RemoteDatagramProtocol(asyncio.DatagramProtocol):
# def __init__(self, proxy, addr, data):
# print('RemoteDP got:',proxy,addr,data)
# self.proxy = proxy
# self.addr = addr
# self.data = data
# super().__init__()
# def connection_made(self, transport):
# self.transport = transport
# self.transport.sendto(self.data)
# def datagram_received(self, data, _):
# self.proxy.transport.sendto(data, self.addr)
# def connection_lost(self, exc):
# self.proxy.remotes.pop(self.attr)
# async def start_datagram_proxy(protocol_class, bind, port, remote_host, remote_port):
# loop = asyncio.get_event_loop()
# protocol = protocol_class((remote_host, remote_port))
# return await loop.create_datagram_endpoint(
# lambda: protocol, local_addr=(bind, port))
# def main(bind='0.0.0.0', port=8888,
# remote_host='0.0.0.0', remote_port=9999):
# loop = asyncio.get_event_loop()
# print("Starting datagram proxy...")
# coro = start_datagram_proxy(bind, port, remote_host, remote_port)
# transport, _ = loop.run_until_complete(coro)
# print("Datagram proxy is running...")
# try:
# loop.run_forever()
# except KeyboardInterrupt:
# pass
# print("Closing transport...")
# transport.close()
# loop.close()
# log = logging.getLogger('kademlia') # pylint: disable=invalid-name
# class KadProtocol(KademliaProtocol):
# # remote_address = PROXY_ADDR
# # REMOTES_D={}
# # def __init__(self, source_node, storage, ksize):
# # RPCProtocol.__init__(self,wait_timeout=5)
# # self.router = RoutingTable(self, ksize, source_node)
# # self.storage = storage
# # self.source_node = source_node
# # def datagram_received(self, data, addr):
# # #if not hasattr(self,'remotes_d'): self.remotes_d={}
# # # print('\n\n!?!?!?',self.REMOTES_D, type(self.REMOTES_D))
# # # if addr in self.REMOTES_D:
# # # self.REMOTES_D[addr].transport.sendto(data)
# # # return
# # loop = asyncio.get_event_loop()
# # # self.REMOTES_D[addr] = RemoteDatagramProtocol(self, addr, data)
# # RDP = RemoteDatagramProtocol(self, addr, data)
# # coro = loop.create_datagram_endpoint(lambda: RDP, remote_addr=self.remote_address)
# # asyncio.ensure_future(coro)
# def handle_call_response(self, result, node):
# """
# If we get a response, add the node to the routing table. If
# we get no response, make sure it's removed from the routing table.
# """
# if not result[0]:
# log.warning("no response from %s, ?removing from router", node)
# self.router.remove_contact(node)
# return result
# log.info("got successful response from %s", node)
# self.welcome_if_new(node)
# return result
# class KadServer(Server):
# protocol_class = KademliaProtocol # KadProtocol #KademliaProtocol
# # def __init__(self, *x, **y):
# # self.storage = y['storage']
# # # raise Exception(str(self.storage))
# # super().__init__(*x,**y)
# # log.info(f'Storage has {len(self.storage.data)} keys')
# def __repr__(self):
# repr = f"""
# KadServer()
# ksize = {self.ksize}
# alpha = {self.alpha}
# storage = {len(self.storage.data)} keys
# node = {self.node}
# transport = {self.transport}
# protocol = {self.protocol}
# refresh_loop = {self.refresh_loop}
# save_state_loop = {self.save_state_loop}
# bootstrappable_neighbors = {self.bootstrappable_neighbors()}
# """
# return repr
# # async def get(self, key):
# # """
# # Get a key if the network has it.
# # Returns:
# # :class:`None` if not found, the value otherwise.
# # """
# # log.info("Looking up key %s", key)
# # dkey = digest(key)
# # # if this node has it, return it
# # if self.storage.get(dkey) is not None:
# # log.info('I already have this')
# # return self.storage.get(dkey)
# # node = Node(dkey)
# # nearest = self.protocol.router.find_neighbors(node)
# # log.info(f'My nearest nodes are: {nearest}')
# # if not nearest:
# # log.warning("There are no known neighbors to get key %s", key)
# # return None
# # spider = ValueSpiderCrawl(self.protocol, node, nearest,
# # self.ksize, self.alpha)
# # found = await spider.find()
# # log.info(f'spider done crawling: {spider}')
# # log.info(f'spider found value: {found}')
# # self.storage[dkey]=found
# # return found
# # async def set(self, key, value):
# # """
# # Set the given string key to the given value in the network.
# # """
# # if not check_dht_value_type(value):
# # raise TypeError(
# # "Value must be of type int, float, bool, str, or bytes"
# # )
# # log.info("setting '%s' = '%s' on network", key, value)
# # dkey = digest(key)
# # print('STORE??',type(self.storage),self.storage)
# # self.storage.set(dkey,value)
# # return await self.set_digest(dkey, value)
# # async def set_digest(self, dkey, value):
# # """
# # Set the given SHA1 digest key (bytes) to the given value in the
# # network.
# # """
# # node = Node(dkey)
# # nearest = self.protocol.router.find_neighbors(node)
# # if not nearest:
# # log.warning("There are no known neighbors to set key %s",
# # dkey.hex())
# # #return False
# # spider = NodeSpiderCrawl(self.protocol, node, nearest,
# # self.ksize, self.alpha)
# # nodes = await spider.find()
# # log.info("setting '%s' on %s", dkey.hex(), list(map(str, nodes)))
# # # if this node is close too, then store here as well
# # neighbs=[n.distance_to(node) for n in nodes]
# # log.info('setting on %s neighbors', neighbs)
# # biggest = max(neighbs) if neighbs else 0
# # log.info('my distance to node is %s, biggest distance is %s',
# # self.node.distance_to(node),biggest)
# # if self.node.distance_to(node) < biggest:
# # self.storage.set(dkey,value)
# # log.info('here are the nodes %s' % nodes)
# # results = [self.protocol.call_store(n, dkey, value) for n in nodes]
# # log.info('here are the results')
# # # return true only if at least one store call succeeded
# # return any(await asyncio.gather(*results))
# #### NEVERMIND
# # KadServer = Server
# import time
# if __name__=='__main__':
# # test
# hfs = HalfForgetfulStorage(fn='test.db')
# #hfs['a']=1
# # time.sleep(2)
# hfs['a']=1000
# print(hfs['a'])
# print(hfs['a'])