forked from LBRYCommunity/lbry-sdk
100 lines
2.4 KiB
Python
100 lines
2.4 KiB
Python
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from lbrynet.dht.node import Node
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import binascii
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from twisted.internet import reactor, task
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import logging
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import sys
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from lbrynet.core.utils import generate_id
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def print_usage():
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print "Usage:\n%s UDP_PORT KNOWN_NODE_IP KNOWN_NODE_PORT HASH"
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def join_network(udp_port, known_nodes):
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lbryid = generate_id()
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logging.info('Creating Node...')
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node = Node(udpPort=udp_port, lbryid=lbryid)
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logging.info('Joining network...')
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d = node.joinNetwork(known_nodes)
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def log_network_size():
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logging.info("Approximate number of nodes in DHT: %s", str(node.getApproximateTotalDHTNodes()))
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logging.info("Approximate number of blobs in DHT: %s", str(node.getApproximateTotalHashes()))
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d.addCallback(lambda _: log_network_size())
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d.addCallback(lambda _: node)
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return d
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def get_hosts(node, h):
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def print_hosts(hosts):
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print "Hosts returned from the DHT: "
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print hosts
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logging.info("Looking up %s", h)
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d = node.getPeersForBlob(h)
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d.addCallback(print_hosts)
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return d
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def announce_hash(node, h):
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d = node.announceHaveBlob(h, 34567)
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def log_results(results):
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for success, result in results:
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if success:
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logging.info("Succeeded: %s", str(result))
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else:
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logging.info("Failed: %s", str(result.getErrorMessage()))
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d.addCallback(log_results)
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return d
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def get_args():
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if len(sys.argv) < 5:
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print_usage()
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sys.exit(1)
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udp_port = int(sys.argv[1])
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known_nodes = [(sys.argv[2], int(sys.argv[3]))]
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h = binascii.unhexlify(sys.argv[4])
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return udp_port, known_nodes, h
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def run_dht_script(dht_func):
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log_format = "(%(asctime)s)[%(filename)s:%(lineno)s] %(funcName)s(): %(message)s"
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logging.basicConfig(level=logging.DEBUG, format=log_format)
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udp_port, known_nodes, h = get_args()
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d = task.deferLater(reactor, 0, join_network, udp_port, known_nodes)
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def run_dht_func(node):
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return dht_func(node, h)
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d.addCallback(run_dht_func)
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def log_err(err):
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logging.error("An error occurred: %s", err.getTraceback())
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return err
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def shut_down():
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logging.info("Shutting down")
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reactor.stop()
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d.addErrback(log_err)
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d.addBoth(lambda _: shut_down())
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reactor.run()
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def get_hosts_for_hash_in_dht():
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run_dht_script(get_hosts)
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def announce_hash_to_dht():
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run_dht_script(announce_hash)
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