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GH-91166: zero copy SelectorSocketTransport transport implementation #31871

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Merged
merged 23 commits into from
Dec 24, 2022
Merged

GH-91166: zero copy SelectorSocketTransport transport implementation #31871

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39b538f
zero copy transport implementation
kumaraditya303 Mar 14, 2022
abd2dc3
WIP sendmsg
kumaraditya303 Mar 15, 2022
669b661
writelines implementation
kumaraditya303 Mar 15, 2022
0692952
use sysconf
kumaraditya303 Mar 15, 2022
2725334
fix tests
kumaraditya303 Mar 15, 2022
bed096d
skip test if sendmsg does not exists
kumaraditya303 Oct 24, 2022
f090e8d
📜🤖 Added by blurb_it.
blurb-it[bot] Oct 24, 2022
d6c77cd
fix check on other platforms
kumaraditya303 Oct 24, 2022
f2ee404
rename some vars
kumaraditya303 Nov 28, 2022
effab03
_HAVE_SENDMSG -> _HAS_SENDMSG
kumaraditya303 Nov 28, 2022
e1e4362
fix tests
kumaraditya303 Nov 28, 2022
bdb1bda
fix tests
kumaraditya303 Nov 28, 2022
d1fae6c
fix writelines and add comments
kumaraditya303 Nov 28, 2022
cd45016
optimize calling
kumaraditya303 Nov 28, 2022
5b962f5
use send if sendmsg does not exists in writelines
kumaraditya303 Nov 28, 2022
85d6909
Merge branch 'main' into asyncio-zero-copy
kumaraditya303 Nov 28, 2022
152b748
Update Lib/asyncio/selector_events.py
kumaraditya303 Dec 2, 2022
2c62bcb
more tests
kumaraditya303 Dec 13, 2022
9b92cff
check fatal error
kumaraditya303 Dec 13, 2022
7e05c2c
Merge branch 'main' into asyncio-zero-copy
kumaraditya303 Dec 13, 2022
97de955
Merge branch 'asyncio-zero-copy' of https://github.com/kumaraditya303…
kumaraditya303 Dec 13, 2022
57b1ba0
Merge branch 'main' of https://github.com/python/cpython into asyncio…
kumaraditya303 Dec 22, 2022
2ca3571
code review
kumaraditya303 Dec 22, 2022
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fix tests
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@kumaraditya303
kumaraditya303 committed Nov 28, 2022
commit e1e43621d4e7c4c483cb62b9f5cd82b6ee4d010d
5 changes: 3 additions & 2 deletions 5 Lib/asyncio/selector_events.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1111,7 +1111,7 @@ def _write_sendmsg(self):
elif self._eof:
self._sock.shutdown(socket.SHUT_WR)

def _adjust_leftover_buffer(self, nbytes: int, /) -> None:
def _adjust_leftover_buffer(self, nbytes: int) -> None:
buffer = self._buffer
while nbytes:
b = buffer.popleft()
Expand All @@ -1127,7 +1127,8 @@ def _write_send(self):
if self._conn_lost:
return
try:
buffer = self._buffer.popleft()
buffer = bytearray().join(self._buffer)
self._buffer.clear()
n = self._sock.send(buffer)
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if n != len(buffer):
# Not all data was written
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4 changes: 2 additions & 2 deletions 4 Lib/test/test_asyncio/test_selector_events.py
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Expand Up @@ -747,7 +747,7 @@ def test_write_sendmsg_no_data(self):
self.assertFalse(self.sock.sendmsg.called)
self.assertEqual(list_to_buffer([b'data']), transport._buffer)

@unittest.skipUnless(selector_events.HAVE_SENDMSG, 'no sendmsg')
@unittest.skipUnless(selector_events._HAS_SENDMSG, 'no sendmsg')
def test_write_sendmsg_full(self):
data = memoryview(b'data')
self.sock.sendmsg = mock.Mock()
Expand All @@ -760,7 +760,7 @@ def test_write_sendmsg_full(self):
self.assertTrue(self.sock.sendmsg.called)
self.assertFalse(self.loop.writers)

@unittest.skipUnless(selector_events.HAVE_SENDMSG, 'no sendmsg')
@unittest.skipUnless(selector_events._HAS_SENDMSG, 'no sendmsg')
def test_write_sendmsg_partial(self):

data = memoryview(b'data')
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