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