forked from LBRYCommunity/lbry-sdk
92 lines
2.7 KiB
Python
92 lines
2.7 KiB
Python
#!/usr/bin/env python
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#
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# This library is free software, distributed under the terms of
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# the GNU Lesser General Public License Version 3, or any later version.
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# See the COPYING file included in this archive
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#
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# Thanks to Paul Cannon for IP-address resolution functions (taken from aspn.activestate.com)
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import argparse
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import os
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import sys
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import time
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import signal
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amount = 0
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def destroyNetwork(nodes):
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print 'Destroying Kademlia network'
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i = 0
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for node in nodes:
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i += 1
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hashAmount = i * 50 / amount
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hashbar = '#' * hashAmount
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output = '\r[%-50s] %d/%d' % (hashbar, i, amount)
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sys.stdout.write(output)
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time.sleep(0.15)
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os.kill(node, signal.SIGTERM)
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print
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def main():
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parser = argparse.ArgumentParser(description="Launch a network of dht nodes")
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parser.add_argument("amount_of_nodes",
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help="The number of nodes to create",
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type=int)
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parser.add_argument(
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"--nic_ip_address",
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help=("The network interface on which these nodes will listen for connections "
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"from each other and from other nodes. If omitted, an attempt will be "
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"made to automatically determine the system's IP address, but this may "
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"result in the nodes being reachable only from this system"))
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args = parser.parse_args()
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global amount
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amount = args.amount_of_nodes
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if args.nic_ip_address:
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ipAddress = args.nic_ip_address
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else:
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import socket
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ipAddress = socket.gethostbyname(socket.gethostname())
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print 'Network interface IP address omitted; using %s' % ipAddress
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startPort = 4000
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port = startPort + 1
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nodes = []
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print 'Creating Kademlia network'
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try:
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node = os.spawnlp(
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os.P_NOWAIT, 'lbrynet-launch-node', 'lbrynet-launch-node', str(startPort))
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nodes.append(node)
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for i in range(amount - 1):
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time.sleep(0.15)
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hashAmount = i * 50 / amount
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hashbar = '#' * hashAmount
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output = '\r[%-50s] %d/%d' % (hashbar, i, amount)
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sys.stdout.write(output)
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node = os.spawnlp(
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os.P_NOWAIT, 'lbrynet-launch-node', 'lbrynet-launch-node', str(port),
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ipAddress, str(startPort))
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nodes.append(node)
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port += 1
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except KeyboardInterrupt:
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'\nNetwork creation cancelled.'
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destroyNetwork(nodes)
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sys.exit(1)
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print '\n\n---------------\nNetwork running\n---------------\n'
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try:
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while 1:
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time.sleep(1)
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except KeyboardInterrupt:
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pass
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finally:
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destroyNetwork(nodes)
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if __name__ == '__main__':
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main()
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