352 lines
13 KiB
Python
352 lines
13 KiB
Python
import multiaddr
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import pytest
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import trio
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from libp2p.peer.peerinfo import info_from_p2p_addr
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from libp2p.tools.constants import MAX_READ_LEN
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from libp2p.tools.utils import set_up_nodes_by_transport_opt
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@pytest.mark.trio
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async def test_simple_messages(nursery):
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transport_opt_list = [["/ip4/127.0.0.1/tcp/0"], ["/ip4/127.0.0.1/tcp/0"]]
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(node_a, node_b) = await set_up_nodes_by_transport_opt(transport_opt_list, nursery)
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async def stream_handler(stream):
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while True:
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read_string = (await stream.read(MAX_READ_LEN)).decode()
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response = "ack:" + read_string
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await stream.write(response.encode())
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node_b.set_stream_handler("/echo/1.0.0", stream_handler)
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# Associate the peer with local ip address (see default parameters of Libp2p())
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node_a.get_peerstore().add_addrs(node_b.get_id(), node_b.get_addrs(), 10)
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stream = await node_a.new_stream(node_b.get_id(), ["/echo/1.0.0"])
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messages = ["hello" + str(x) for x in range(10)]
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for message in messages:
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await stream.write(message.encode())
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response = (await stream.read(MAX_READ_LEN)).decode()
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assert response == ("ack:" + message)
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# Success, terminate pending tasks.
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@pytest.mark.asyncio
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async def test_double_response():
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transport_opt_list = [["/ip4/127.0.0.1/tcp/0"], ["/ip4/127.0.0.1/tcp/0"]]
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(node_a, node_b) = await set_up_nodes_by_transport_opt(transport_opt_list)
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async def stream_handler(stream):
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while True:
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read_string = (await stream.read(MAX_READ_LEN)).decode()
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response = "ack1:" + read_string
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await stream.write(response.encode())
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response = "ack2:" + read_string
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await stream.write(response.encode())
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node_b.set_stream_handler("/echo/1.0.0", stream_handler)
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# Associate the peer with local ip address (see default parameters of Libp2p())
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node_a.get_peerstore().add_addrs(node_b.get_id(), node_b.get_addrs(), 10)
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stream = await node_a.new_stream(node_b.get_id(), ["/echo/1.0.0"])
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messages = ["hello" + str(x) for x in range(10)]
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for message in messages:
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await stream.write(message.encode())
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response1 = (await stream.read(MAX_READ_LEN)).decode()
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assert response1 == ("ack1:" + message)
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response2 = (await stream.read(MAX_READ_LEN)).decode()
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assert response2 == ("ack2:" + message)
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# Success, terminate pending tasks.
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@pytest.mark.asyncio
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async def test_multiple_streams():
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# Node A should be able to open a stream with node B and then vice versa.
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# Stream IDs should be generated uniquely so that the stream state is not overwritten
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transport_opt_list = [["/ip4/127.0.0.1/tcp/0"], ["/ip4/127.0.0.1/tcp/0"]]
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(node_a, node_b) = await set_up_nodes_by_transport_opt(transport_opt_list)
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async def stream_handler_a(stream):
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while True:
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read_string = (await stream.read(MAX_READ_LEN)).decode()
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response = "ack_a:" + read_string
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await stream.write(response.encode())
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async def stream_handler_b(stream):
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while True:
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read_string = (await stream.read(MAX_READ_LEN)).decode()
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response = "ack_b:" + read_string
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await stream.write(response.encode())
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node_a.set_stream_handler("/echo_a/1.0.0", stream_handler_a)
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node_b.set_stream_handler("/echo_b/1.0.0", stream_handler_b)
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# Associate the peer with local ip address (see default parameters of Libp2p())
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node_a.get_peerstore().add_addrs(node_b.get_id(), node_b.get_addrs(), 10)
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node_b.get_peerstore().add_addrs(node_a.get_id(), node_a.get_addrs(), 10)
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stream_a = await node_a.new_stream(node_b.get_id(), ["/echo_b/1.0.0"])
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stream_b = await node_b.new_stream(node_a.get_id(), ["/echo_a/1.0.0"])
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# A writes to /echo_b via stream_a, and B writes to /echo_a via stream_b
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messages = ["hello" + str(x) for x in range(10)]
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for message in messages:
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a_message = message + "_a"
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b_message = message + "_b"
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await stream_a.write(a_message.encode())
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await stream_b.write(b_message.encode())
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response_a = (await stream_a.read(MAX_READ_LEN)).decode()
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response_b = (await stream_b.read(MAX_READ_LEN)).decode()
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assert response_a == ("ack_b:" + a_message) and response_b == (
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"ack_a:" + b_message
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)
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# Success, terminate pending tasks.
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@pytest.mark.asyncio
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async def test_multiple_streams_same_initiator_different_protocols():
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transport_opt_list = [["/ip4/127.0.0.1/tcp/0"], ["/ip4/127.0.0.1/tcp/0"]]
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(node_a, node_b) = await set_up_nodes_by_transport_opt(transport_opt_list)
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async def stream_handler_a1(stream):
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while True:
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read_string = (await stream.read(MAX_READ_LEN)).decode()
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response = "ack_a1:" + read_string
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await stream.write(response.encode())
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async def stream_handler_a2(stream):
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while True:
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read_string = (await stream.read(MAX_READ_LEN)).decode()
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response = "ack_a2:" + read_string
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await stream.write(response.encode())
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async def stream_handler_a3(stream):
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while True:
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read_string = (await stream.read(MAX_READ_LEN)).decode()
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response = "ack_a3:" + read_string
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await stream.write(response.encode())
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node_b.set_stream_handler("/echo_a1/1.0.0", stream_handler_a1)
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node_b.set_stream_handler("/echo_a2/1.0.0", stream_handler_a2)
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node_b.set_stream_handler("/echo_a3/1.0.0", stream_handler_a3)
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# Associate the peer with local ip address (see default parameters of Libp2p())
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node_a.get_peerstore().add_addrs(node_b.get_id(), node_b.get_addrs(), 10)
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node_b.get_peerstore().add_addrs(node_a.get_id(), node_a.get_addrs(), 10)
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# Open streams to node_b over echo_a1 echo_a2 echo_a3 protocols
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stream_a1 = await node_a.new_stream(node_b.get_id(), ["/echo_a1/1.0.0"])
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stream_a2 = await node_a.new_stream(node_b.get_id(), ["/echo_a2/1.0.0"])
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stream_a3 = await node_a.new_stream(node_b.get_id(), ["/echo_a3/1.0.0"])
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messages = ["hello" + str(x) for x in range(10)]
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for message in messages:
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a1_message = message + "_a1"
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a2_message = message + "_a2"
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a3_message = message + "_a3"
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await stream_a1.write(a1_message.encode())
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await stream_a2.write(a2_message.encode())
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await stream_a3.write(a3_message.encode())
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response_a1 = (await stream_a1.read(MAX_READ_LEN)).decode()
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response_a2 = (await stream_a2.read(MAX_READ_LEN)).decode()
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response_a3 = (await stream_a3.read(MAX_READ_LEN)).decode()
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assert (
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response_a1 == ("ack_a1:" + a1_message)
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and response_a2 == ("ack_a2:" + a2_message)
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and response_a3 == ("ack_a3:" + a3_message)
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)
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# Success, terminate pending tasks.
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@pytest.mark.asyncio
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async def test_multiple_streams_two_initiators():
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transport_opt_list = [["/ip4/127.0.0.1/tcp/0"], ["/ip4/127.0.0.1/tcp/0"]]
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(node_a, node_b) = await set_up_nodes_by_transport_opt(transport_opt_list)
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async def stream_handler_a1(stream):
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while True:
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read_string = (await stream.read(MAX_READ_LEN)).decode()
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response = "ack_a1:" + read_string
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await stream.write(response.encode())
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async def stream_handler_a2(stream):
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while True:
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read_string = (await stream.read(MAX_READ_LEN)).decode()
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response = "ack_a2:" + read_string
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await stream.write(response.encode())
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async def stream_handler_b1(stream):
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while True:
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read_string = (await stream.read(MAX_READ_LEN)).decode()
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response = "ack_b1:" + read_string
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await stream.write(response.encode())
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async def stream_handler_b2(stream):
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while True:
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read_string = (await stream.read(MAX_READ_LEN)).decode()
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response = "ack_b2:" + read_string
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await stream.write(response.encode())
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node_a.set_stream_handler("/echo_b1/1.0.0", stream_handler_b1)
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node_a.set_stream_handler("/echo_b2/1.0.0", stream_handler_b2)
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node_b.set_stream_handler("/echo_a1/1.0.0", stream_handler_a1)
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node_b.set_stream_handler("/echo_a2/1.0.0", stream_handler_a2)
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# Associate the peer with local ip address (see default parameters of Libp2p())
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node_a.get_peerstore().add_addrs(node_b.get_id(), node_b.get_addrs(), 10)
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node_b.get_peerstore().add_addrs(node_a.get_id(), node_a.get_addrs(), 10)
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stream_a1 = await node_a.new_stream(node_b.get_id(), ["/echo_a1/1.0.0"])
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stream_a2 = await node_a.new_stream(node_b.get_id(), ["/echo_a2/1.0.0"])
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stream_b1 = await node_b.new_stream(node_a.get_id(), ["/echo_b1/1.0.0"])
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stream_b2 = await node_b.new_stream(node_a.get_id(), ["/echo_b2/1.0.0"])
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# A writes to /echo_b via stream_a, and B writes to /echo_a via stream_b
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messages = ["hello" + str(x) for x in range(10)]
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for message in messages:
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a1_message = message + "_a1"
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a2_message = message + "_a2"
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b1_message = message + "_b1"
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b2_message = message + "_b2"
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await stream_a1.write(a1_message.encode())
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await stream_a2.write(a2_message.encode())
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await stream_b1.write(b1_message.encode())
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await stream_b2.write(b2_message.encode())
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response_a1 = (await stream_a1.read(MAX_READ_LEN)).decode()
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response_a2 = (await stream_a2.read(MAX_READ_LEN)).decode()
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response_b1 = (await stream_b1.read(MAX_READ_LEN)).decode()
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response_b2 = (await stream_b2.read(MAX_READ_LEN)).decode()
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assert (
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response_a1 == ("ack_a1:" + a1_message)
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and response_a2 == ("ack_a2:" + a2_message)
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and response_b1 == ("ack_b1:" + b1_message)
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and response_b2 == ("ack_b2:" + b2_message)
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)
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# Success, terminate pending tasks.
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@pytest.mark.asyncio
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async def test_triangle_nodes_connection():
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transport_opt_list = [
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["/ip4/127.0.0.1/tcp/0"],
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["/ip4/127.0.0.1/tcp/0"],
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["/ip4/127.0.0.1/tcp/0"],
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]
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(node_a, node_b, node_c) = await set_up_nodes_by_transport_opt(transport_opt_list)
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async def stream_handler(stream):
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while True:
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read_string = (await stream.read(MAX_READ_LEN)).decode()
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response = "ack:" + read_string
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await stream.write(response.encode())
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node_a.set_stream_handler("/echo/1.0.0", stream_handler)
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node_b.set_stream_handler("/echo/1.0.0", stream_handler)
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node_c.set_stream_handler("/echo/1.0.0", stream_handler)
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# Associate the peer with local ip address (see default parameters of Libp2p())
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# Associate all permutations
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node_a.get_peerstore().add_addrs(node_b.get_id(), node_b.get_addrs(), 10)
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node_a.get_peerstore().add_addrs(node_c.get_id(), node_c.get_addrs(), 10)
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node_b.get_peerstore().add_addrs(node_a.get_id(), node_a.get_addrs(), 10)
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node_b.get_peerstore().add_addrs(node_c.get_id(), node_c.get_addrs(), 10)
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node_c.get_peerstore().add_addrs(node_a.get_id(), node_a.get_addrs(), 10)
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node_c.get_peerstore().add_addrs(node_b.get_id(), node_b.get_addrs(), 10)
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stream_a_to_b = await node_a.new_stream(node_b.get_id(), ["/echo/1.0.0"])
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stream_a_to_c = await node_a.new_stream(node_c.get_id(), ["/echo/1.0.0"])
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stream_b_to_a = await node_b.new_stream(node_a.get_id(), ["/echo/1.0.0"])
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stream_b_to_c = await node_b.new_stream(node_c.get_id(), ["/echo/1.0.0"])
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stream_c_to_a = await node_c.new_stream(node_a.get_id(), ["/echo/1.0.0"])
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stream_c_to_b = await node_c.new_stream(node_b.get_id(), ["/echo/1.0.0"])
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messages = ["hello" + str(x) for x in range(5)]
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streams = [
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stream_a_to_b,
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stream_a_to_c,
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stream_b_to_a,
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stream_b_to_c,
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stream_c_to_a,
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stream_c_to_b,
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]
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for message in messages:
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for stream in streams:
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await stream.write(message.encode())
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response = (await stream.read(MAX_READ_LEN)).decode()
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assert response == ("ack:" + message)
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# Success, terminate pending tasks.
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@pytest.mark.asyncio
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async def test_host_connect():
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transport_opt_list = [["/ip4/127.0.0.1/tcp/0"], ["/ip4/127.0.0.1/tcp/0"]]
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(node_a, node_b) = await set_up_nodes_by_transport_opt(transport_opt_list)
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assert not node_a.get_peerstore().peer_ids()
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addr = node_b.get_addrs()[0]
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info = info_from_p2p_addr(addr)
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await node_a.connect(info)
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assert len(node_a.get_peerstore().peer_ids()) == 1
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await node_a.connect(info)
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# make sure we don't do double connection
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assert len(node_a.get_peerstore().peer_ids()) == 1
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assert node_b.get_id() in node_a.get_peerstore().peer_ids()
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ma_node_b = multiaddr.Multiaddr("/p2p/%s" % node_b.get_id().pretty())
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for addr in node_a.get_peerstore().addrs(node_b.get_id()):
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assert addr.encapsulate(ma_node_b) in node_b.get_addrs()
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# Success, terminate pending tasks.
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