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Feat: Adding Yamux as default multiplexer, keeping Mplex as fallback (#538)

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* feat: Replace mplex with yamux as default multiplexer in py-libp2p

* Retain Mplex alongside Yamux in new_swarm with messaging that Yamux is preferred

* moved !BBHII to a constant YAMUX_HEADER_FORMAT at the top of yamux.py with a comment explaining its structure

* renamed the news fragment to 534.feature.rst and updated the description

* renamed the news fragment to 534.feature.rst and updated the description

* added a docstring to clarify that Yamux does not support deadlines natively

* Remove the __main__ block entirely from test_yamux.py

* Replaced the print statements in test_yamux.py with logging.debug

* Added a comment linking to the spec for clarity

* Raise NotImplementedError in YamuxStream.set_deadline per review

* Add muxed_conn to YamuxStream and test deadline NotImplementedError

* Fix Yamux implementation to meet libp2p spec

* Fix None handling in YamuxStream.read and Yamux.read_stream

* Fix test_connected_peers.py to correctly handle peer connections

* fix: Ensure StreamReset is raised on read after local reset in yamux

* fix: Map MuxedStreamError to StreamClosed in NetStream.write for Yamux

* fix: Raise MuxedStreamReset in Yamux.read_stream for closed streams

* fix: Correct Yamux stream read behavior for NetStream tests

Fixed 	est_net_stream_read_after_remote_closed by updating NetStream.read to raise StreamEOF when the stream is remotely closed and no data is available, aligning with test expectations and Fixed 	est_net_stream_read_until_eof by modifying YamuxStream.read to block until the stream is closed (
ecv_closed=True) for
=-1 reads, ensuring data is only returned after remote closure.

* fix: Correct Yamux stream read behavior for NetStream tests

Fixed 	est_net_stream_read_after_remote_closed by updating NetStream.read to raise StreamEOF when the stream is remotely closed and no data is available, aligning with test expectations and Fixed 	est_net_stream_read_until_eof by modifying YamuxStream.read to block until the stream is closed (
ecv_closed=True) for
=-1 reads, ensuring data is only returned after remote closure.

* fix: raise StreamEOF when reading from closed stream with empty buffer

* fix: prioritize returning buffered data even after stream reset

* fix: prioritize returning buffered data even after stream reset

* fix: Ensure test_net_stream_read_after_remote_closed_and_reset passes in full suite

* fix: Add __init__.py to yamux module to fix documentation build

* fix: Add __init__.py to yamux module to fix documentation build

* fix: Add libp2p.stream_muxer.yamux to libp2p.stream_muxer.rst toctree

* fix: Correct title underline length in libp2p.stream_muxer.yamux.rst

* fix: Add a = so that is matches the libp2p.stream\_muxer.yamux length

* fix(tests): Resolve race condition in network notification test

* fix: fixing failing tests and examples with yamux and noise

* refactor: remove debug logging and improve x25519 tests

* fix: Add functionality for users to choose between Yamux and Mplex

* fix: increased trio sleep to 0.1 sec for slow environment

* feat: Add test for switching between Yamux and mplex

* refactor: move host fixtures to interop tests

* chore: Update __init__.py removing unused import

removed unused
```python
import os
import logging
```

* lint: fix import order

* fix: Resolve conftest.py conflict by removing trio test support

* fix: Resolve test skipping by keeping trio test support

* Fix: add a newline at end of the file

---------

Co-authored-by: acul71 <luca.pisani@birdo.net>
Co-authored-by: acul71 <34693171+acul71@users.noreply.github.com>
This commit is contained in:
Paschal
2025-05-22 21:01:51 +01:00
committed by GitHub
parent 18c6f529c6
commit 4b1860766d
29 changed files with 2215 additions and 101 deletions
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25
tests/core/security/test_security_multistream.py
View File

@ -1,4 +1,5 @@
import pytest
import trio
from libp2p.crypto.rsa import (
create_new_key_pair,
@ -23,8 +24,28 @@ noninitiator_key_pair = create_new_key_pair()
async def perform_simple_test(assertion_func, security_protocol):
async with host_pair_factory(security_protocol=security_protocol) as hosts:
conn_0 = hosts[0].get_network().connections[hosts[1].get_id()]
conn_1 = hosts[1].get_network().connections[hosts[0].get_id()]
# Use a different approach to verify connections
# Wait for both sides to establish connection
for _ in range(5): # Try up to 5 times
try:
# Check if connection established from host0 to host1
conn_0 = hosts[0].get_network().connections.get(hosts[1].get_id())
# Check if connection established from host1 to host0
conn_1 = hosts[1].get_network().connections.get(hosts[0].get_id())
if conn_0 and conn_1:
break
# Wait a bit and retry
await trio.sleep(0.2)
except Exception:
# Wait a bit and retry
await trio.sleep(0.2)
# If we couldn't establish connection after retries,
# the test will fail with clear error
assert conn_0 is not None, "Failed to establish connection from host0 to host1"
assert conn_1 is not None, "Failed to establish connection from host1 to host0"
# Perform assertion
assertion_func(conn_0.muxed_conn.secured_conn)