forked from LBRYCommunity/lbry-sdk
161 lines
8 KiB
Python
161 lines
8 KiB
Python
import asyncio
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import binascii
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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.serialization.bencoding import bencode, bdecode
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from lbrynet.dht import constants
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from lbrynet.dht.protocol.protocol import KademliaProtocol
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from lbrynet.dht.peer import PeerManager
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class TestProtocol(AsyncioTestCase):
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async def test_ping(self):
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loop = asyncio.get_event_loop()
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with dht_mocks.mock_network_loop(loop):
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node_id1 = constants.generate_id()
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peer1 = KademliaProtocol(
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loop, PeerManager(loop), node_id1, '1.2.3.4', 4444, 3333
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)
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peer2 = KademliaProtocol(
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loop, PeerManager(loop), constants.generate_id(), '1.2.3.5', 4444, 3333
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)
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await loop.create_datagram_endpoint(lambda: peer1, ('1.2.3.4', 4444))
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await loop.create_datagram_endpoint(lambda: peer2, ('1.2.3.5', 4444))
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peer = peer2.peer_manager.get_kademlia_peer(node_id1, '1.2.3.4', udp_port=4444)
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result = await peer2.get_rpc_peer(peer).ping()
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self.assertEqual(result, b'pong')
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peer1.stop()
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peer2.stop()
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peer1.disconnect()
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peer2.disconnect()
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async def test_update_token(self):
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loop = asyncio.get_event_loop()
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with dht_mocks.mock_network_loop(loop):
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node_id1 = constants.generate_id()
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peer1 = KademliaProtocol(
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loop, PeerManager(loop), node_id1, '1.2.3.4', 4444, 3333
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)
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peer2 = KademliaProtocol(
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loop, PeerManager(loop), constants.generate_id(), '1.2.3.5', 4444, 3333
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)
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await loop.create_datagram_endpoint(lambda: peer1, ('1.2.3.4', 4444))
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await loop.create_datagram_endpoint(lambda: peer2, ('1.2.3.5', 4444))
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peer = peer2.peer_manager.get_kademlia_peer(node_id1, '1.2.3.4', udp_port=4444)
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self.assertEqual(None, peer2.peer_manager.get_node_token(peer.node_id))
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await peer2.get_rpc_peer(peer).find_value(b'1' * 48)
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self.assertNotEqual(None, peer2.peer_manager.get_node_token(peer.node_id))
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peer1.stop()
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peer2.stop()
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peer1.disconnect()
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peer2.disconnect()
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async def test_store_to_peer(self):
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loop = asyncio.get_event_loop()
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with dht_mocks.mock_network_loop(loop):
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node_id1 = constants.generate_id()
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peer1 = KademliaProtocol(
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loop, PeerManager(loop), node_id1, '1.2.3.4', 4444, 3333
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)
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peer2 = KademliaProtocol(
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loop, PeerManager(loop), constants.generate_id(), '1.2.3.5', 4444, 3333
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)
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await loop.create_datagram_endpoint(lambda: peer1, ('1.2.3.4', 4444))
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await loop.create_datagram_endpoint(lambda: peer2, ('1.2.3.5', 4444))
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peer = peer2.peer_manager.get_kademlia_peer(node_id1, '1.2.3.4', udp_port=4444)
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peer2_from_peer1 = peer1.peer_manager.get_kademlia_peer(
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peer2.node_id, peer2.external_ip, udp_port=peer2.udp_port
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)
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peer2_from_peer1.update_tcp_port(3333)
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peer3 = peer1.peer_manager.get_kademlia_peer(
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constants.generate_id(), '1.2.3.6', udp_port=4444
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)
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store_result = await peer2.store_to_peer(b'2' * 48, peer)
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self.assertEqual(store_result[0], peer.node_id)
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self.assertEqual(True, store_result[1])
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self.assertEqual(True, peer1.data_store.has_peers_for_blob(b'2' * 48))
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self.assertEqual(False, peer1.data_store.has_peers_for_blob(b'3' * 48))
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self.assertListEqual([peer2_from_peer1], peer1.data_store.get_storing_contacts())
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peer1.data_store.completed_blobs.add(binascii.hexlify(b'2' * 48).decode())
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find_value_response = peer1.node_rpc.find_value(peer3, b'2' * 48)
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self.assertEqual(len(find_value_response[b'contacts']), 0)
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self.assertSetEqual(
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{b'2' * 48, b'token', b'protocolVersion', b'contacts'}, set(find_value_response.keys())
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)
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self.assertEqual(2, len(find_value_response[b'2' * 48]))
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self.assertEqual(find_value_response[b'2' * 48][0], peer2_from_peer1.compact_address_tcp())
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self.assertDictEqual(bdecode(bencode(find_value_response)), find_value_response)
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peer1.stop()
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peer2.stop()
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peer1.disconnect()
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peer2.disconnect()
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async def _make_protocol(self, other_peer, node_id, address, udp_port, tcp_port):
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proto = KademliaProtocol(
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self.loop, PeerManager(self.loop), node_id, address, udp_port, tcp_port
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)
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await self.loop.create_datagram_endpoint(lambda: proto, (address, 4444))
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proto.start()
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return proto, other_peer.peer_manager.get_kademlia_peer(node_id, address, udp_port=udp_port)
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async def test_add_peer_after_handle_request(self):
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with dht_mocks.mock_network_loop(self.loop):
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node_id1 = constants.generate_id()
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node_id2 = constants.generate_id()
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node_id3 = constants.generate_id()
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node_id4 = constants.generate_id()
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peer1 = KademliaProtocol(
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self.loop, PeerManager(self.loop), node_id1, '1.2.3.4', 4444, 3333
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)
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await self.loop.create_datagram_endpoint(lambda: peer1, ('1.2.3.4', 4444))
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peer1.start()
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peer2, peer_2_from_peer_1 = await self._make_protocol(peer1, node_id2, '1.2.3.5', 4444, 3333)
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peer3, peer_3_from_peer_1 = await self._make_protocol(peer1, node_id3, '1.2.3.6', 4444, 3333)
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peer4, peer_4_from_peer_1 = await self._make_protocol(peer1, node_id4, '1.2.3.7', 4444, 3333)
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# peers who reply should be added
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await peer1.get_rpc_peer(peer_2_from_peer_1).ping()
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await asyncio.sleep(0.5)
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self.assertListEqual([peer_2_from_peer_1], peer1.routing_table.get_peers())
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peer1.routing_table.remove_peer(peer_2_from_peer_1)
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# peers not known by be good/bad should be enqueued to maybe-ping
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peer1_from_peer3 = peer3.get_rpc_peer(peer3.peer_manager.get_kademlia_peer(node_id1, '1.2.3.4', 4444))
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self.assertEqual(0, len(peer1.ping_queue._pending_contacts))
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pong = await peer1_from_peer3.ping()
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self.assertEqual(b'pong', pong)
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self.assertEqual(1, len(peer1.ping_queue._pending_contacts))
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peer1.ping_queue._pending_contacts.clear()
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# peers who are already good should be added
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peer1_from_peer4 = peer4.get_rpc_peer(peer4.peer_manager.get_kademlia_peer(node_id1, '1.2.3.4', 4444))
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peer1.peer_manager.update_contact_triple(node_id4,'1.2.3.7', 4444)
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peer1.peer_manager.report_last_replied('1.2.3.7', 4444)
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self.assertEqual(0, len(peer1.ping_queue._pending_contacts))
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pong = await peer1_from_peer4.ping()
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self.assertEqual(b'pong', pong)
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await asyncio.sleep(0.5)
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self.assertEqual(1, len(peer1.routing_table.get_peers()))
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self.assertEqual(0, len(peer1.ping_queue._pending_contacts))
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peer1.routing_table.buckets[0].peers.clear()
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# peers who are known to be bad recently should not be added or maybe-pinged
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peer1_from_peer4 = peer4.get_rpc_peer(peer4.peer_manager.get_kademlia_peer(node_id1, '1.2.3.4', 4444))
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peer1.peer_manager.update_contact_triple(node_id4,'1.2.3.7', 4444)
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peer1.peer_manager.report_failure('1.2.3.7', 4444)
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peer1.peer_manager.report_failure('1.2.3.7', 4444)
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self.assertEqual(0, len(peer1.ping_queue._pending_contacts))
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pong = await peer1_from_peer4.ping()
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self.assertEqual(b'pong', pong)
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self.assertEqual(0, len(peer1.routing_table.get_peers()))
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self.assertEqual(0, len(peer1.ping_queue._pending_contacts))
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for p in [peer1, peer2, peer3, peer4]:
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p.stop()
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p.disconnect()
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