forked from LBRYCommunity/lbry-sdk
86 lines
3.5 KiB
Python
86 lines
3.5 KiB
Python
import asyncio
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import typing
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from torba.testcase import AsyncioTestCase
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from tests import dht_mocks
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from lbrynet.dht import constants
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from lbrynet.dht.node import Node
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from lbrynet.dht.peer import PeerManager
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class TestNodePingQueueDiscover(AsyncioTestCase):
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async def test_ping_queue_discover(self):
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loop = asyncio.get_event_loop()
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loop.set_debug(False)
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peer_addresses = [
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(constants.generate_id(1), '1.2.3.1'),
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(constants.generate_id(2), '1.2.3.2'),
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(constants.generate_id(3), '1.2.3.3'),
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(constants.generate_id(4), '1.2.3.4'),
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(constants.generate_id(5), '1.2.3.5'),
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(constants.generate_id(6), '1.2.3.6'),
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(constants.generate_id(7), '1.2.3.7'),
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(constants.generate_id(8), '1.2.3.8'),
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(constants.generate_id(9), '1.2.3.9'),
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]
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with dht_mocks.mock_network_loop(loop):
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advance = dht_mocks.get_time_accelerator(loop, loop.time())
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# start the nodes
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nodes: typing.Dict[int, Node] = {
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i: Node(loop, PeerManager(loop), node_id, 4444, 4444, 3333, address)
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for i, (node_id, address) in enumerate(peer_addresses)
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}
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for i, n in nodes.items():
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n.start(peer_addresses[i][1], [])
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await advance(1)
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node_1 = nodes[0]
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# ping 8 nodes from node_1, this will result in a delayed return ping
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futs = []
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for i in range(1, len(peer_addresses)):
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node = nodes[i]
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assert node.protocol.node_id != node_1.protocol.node_id
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peer = node_1.protocol.peer_manager.get_kademlia_peer(
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node.protocol.node_id, node.protocol.external_ip, udp_port=node.protocol.udp_port
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)
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futs.append(node_1.protocol.get_rpc_peer(peer).ping())
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await advance(3)
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replies = await asyncio.gather(*tuple(futs))
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self.assertTrue(all(map(lambda reply: reply == b"pong", replies)))
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# run for long enough for the delayed pings to have been sent by node 1
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await advance(1000)
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# verify all of the previously pinged peers have node_1 in their routing tables
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for n in nodes.values():
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peers = n.protocol.routing_table.get_peers()
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if n is node_1:
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self.assertEqual(8, len(peers))
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else:
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self.assertEqual(1, len(peers))
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self.assertEqual((peers[0].node_id, peers[0].address, peers[0].udp_port),
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(node_1.protocol.node_id, node_1.protocol.external_ip, node_1.protocol.udp_port))
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# run long enough for the refresh loop to run
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await advance(3600)
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# verify all the nodes know about each other
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for n in nodes.values():
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if n is node_1:
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continue
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peers = n.protocol.routing_table.get_peers()
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self.assertEqual(8, len(peers))
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self.assertSetEqual(
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{n_id[0] for n_id in peer_addresses if n_id[0] != n.protocol.node_id},
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{c.node_id for c in peers}
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)
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self.assertSetEqual(
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{n_addr[1] for n_addr in peer_addresses if n_addr[1] != n.protocol.external_ip},
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{c.address for c in peers}
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)
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# teardown
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for n in nodes.values():
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n.stop()
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