110 lines
3.3 KiB
Python
110 lines
3.3 KiB
Python
import asyncio
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import json
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import sys
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from sender import SenderNode
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from receiver import ReceiverNode
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from libp2p.peer.peerinfo import info_from_p2p_addr
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from tests.utils import cleanup
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ACK_PROTOCOL = "/ack/1.0.0"
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async def create_receivers(num_receivers, topic_map):
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receivers = []
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# From topic_map (topic -> list of receivers), create (receiver -> topic)
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receiver_to_topic_map = {}
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for topic in topic_map:
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for receiver in topic_map[topic]:
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receiver_to_topic_map[receiver] = topic
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# Create receivers
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for i in range(num_receivers):
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receivers.append(await ReceiverNode.create(ACK_PROTOCOL, receiver_to_topic_map[i]))
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return receivers
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async def connect(node1, node2):
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# node1 connects to node2
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addr = node2.get_addrs()[0]
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info = info_from_p2p_addr(addr)
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await node1.connect(info)
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async def create_topology(adjacency_map, sender, receivers):
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# Create network
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# Connect senders to receivers
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for target_num in adjacency_map["sender"]:
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await connect(sender.libp2p_node, receivers[target_num].libp2p_node)
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# Connect receivers to other receivers
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for source_num_str in adjacency_map:
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if source_num_str != "sender":
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target_nums = adjacency_map[source_num_str]
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source_num = int(source_num_str)
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for target_num in target_nums:
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await connect(receivers[source_num].libp2p_node, \
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receivers[target_num].libp2p_node)
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def get_num_receivers_in_topology(topology):
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receiver_ids = []
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for key_str in topology:
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if key_str != "sender":
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key_num = int(key_str)
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if key_num not in receiver_ids:
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receiver_ids.append(key_num)
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for neighbor in topology[key_str]:
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if neighbor not in receiver_ids:
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receiver_ids.append(neighbor)
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return len(receiver_ids)
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async def main():
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# Create sender
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print("Sender created")
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sender = await SenderNode.create(ACK_PROTOCOL)
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# Create receivers
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print("Receivers created")
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# Define connection topology
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topology_dict = json.loads(open(sys.argv[1]).read())
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topology = topology_dict["topology"]
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num_receivers = get_num_receivers_in_topology(topology)
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# Define topic map
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topic_map = topology_dict["topic_map"]
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topics = topic_map.keys()
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receivers = await create_receivers(num_receivers, topic_map)
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# Create network topology
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await create_topology(topology, sender, receivers)
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print("Topology created")
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# Perform throughput test
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# 1) Start receivers
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sender_info = info_from_p2p_addr(sender.libp2p_node.get_addrs()[0])
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for receiver in receivers:
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print("Starting receiving")
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asyncio.ensure_future(receiver.start_receiving(sender_info))
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# Allow time for start receiving to be completed
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await asyncio.sleep(0.5)
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# 2) Start sending messages and perform throughput test
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# Determine number of receivers in each topic
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num_receivers_in_each_topic = {}
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for topic in topic_map:
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num_receivers_in_each_topic[topic] = len(topic_map[topic])
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print("Performing test")
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await sender.perform_test(num_receivers_in_each_topic, topics, 1)
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print("All testing completed")
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await cleanup()
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if __name__ == "__main__":
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loop = asyncio.get_event_loop()
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loop.run_until_complete(main())
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loop.close()
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