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"""HTTPS adapters for the original Python asyncio benchmark clients."""

from contextlib import asynccontextmanager

import ssl

from urllib.parse import urlsplit

if __package__:

from .workloads import prepare_chunks

from .registry import (

CAPABILITIES as ALL_CAPABILITIES,

SPECS,

adapter_clients,

POOL_LIMIT,

RESPONSE_CHUNK_BYTES,

)

else:

from workloads import prepare_chunks

from registry import (

CAPABILITIES as ALL_CAPABILITIES,

SPECS,

adapter_clients,

POOL_LIMIT,

RESPONSE_CHUNK_BYTES,

)

CLIENTS = adapter_clients("async")

PACKAGE = {client: SPECS[client].package for client in CLIENTS}

CAPABILITIES = {client: ALL_CAPABILITIES[client] for client in CLIENTS}

RESPONSE_READ = {client: SPECS[client].response_read for client in CLIENTS}

def validate_target(url):

target = urlsplit(url)

if (

target.scheme != "https"

or target.hostname not in {"127.0.0.1", "localhost", "::1"}

or target.username is not None

):

raise ValueError("Unverified benchmark TLS is restricted to HTTPS loopback")

def tls_context():

context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)

context.check_hostname = False

context.verify_mode = ssl.CERT_NONE

context.minimum_version = context.maximum_version = ssl.TLSVersion.TLSv1_3

context.set_alpn_protocols(["http/1.1"])

return context

def validation(status, actual, protocol, total, expected):

if status != 200 or actual != protocol or total != expected:

raise RuntimeError(

f"Expected 200/{protocol}/{expected} bytes, received "

f"{status}/{actual}/{total} bytes"

)

return {"status": status, "protocol": actual, "response_bytes": total}

async def parts(chunks):

for chunk in chunks:

yield chunk

@asynccontextmanager

async def operations(client_id, protocol, url, body, body_kind):

validate_target(url)

capability = CAPABILITIES[client_id]

if (

protocol not in capability["protocols"]

or body_kind not in capability["body_kinds"]

):

raise ValueError(f"Unsupported benchmark: {client_id}/{protocol}/{body_kind}")

# Construct chunks outside timed batches; each request gets a fresh iterator.

chunks = prepare_chunks(body, body_kind)

if client_id == "httpx":

import httpx

async with httpx.AsyncClient(

verify=tls_context(),

trust_env=False,

http1=protocol == "h1",

http2=protocol == "h2",

timeout=None,

limits=httpx.Limits(max_connections=None, max_keepalive_connections=None),

) as client:

async def post():

async with client.stream(

"POST", url, content=parts(chunks) if chunks else body

) as response:

total = 0

async for chunk in response.aiter_raw():

total += len(chunk)

actual = {"HTTP/1.1": "h1", "HTTP/2": "h2"}.get(

response.http_version

)

return validation(

response.status_code, actual, protocol, total, len(body)

)

yield post

elif client_id == "aiohttp":

import aiohttp

async with aiohttp.ClientSession(

connector=aiohttp.TCPConnector(ssl=tls_context(), limit=0),

trust_env=False,

auto_decompress=False,

timeout=aiohttp.ClientTimeout(total=None),

) as client:

async def post():

async with client.post(

url, data=parts(chunks) if chunks else body, allow_redirects=False

) as response:

total = 0

async for chunk in response.content.iter_any():

total += len(chunk)

actual = "h1" if response.version == aiohttp.HttpVersion11 else None

return validation(

response.status, actual, protocol, total, len(body)

)

yield post

elif client_id == "niquests":

import niquests

from niquests.packages.urllib3 import disable_warnings

from niquests.packages.urllib3.exceptions import InsecureRequestWarning

disable_warnings(InsecureRequestWarning)

async with niquests.AsyncSession(

verify=False,

retries=0,

disable_http1=protocol == "h2",

disable_http2=protocol == "h1",

disable_http3=True,

pool_maxsize=POOL_LIMIT,

revocation_configuration=None,

tls_configuration=niquests.TLSConfiguration(

backend="ssl",

min_version=ssl.TLSVersion.TLSv1_3,

max_version=ssl.TLSVersion.TLSv1_3,

),

) as client:

client.trust_env = False

async def post():

async with await client.post(

url,

data=parts(chunks) if chunks else body,

stream=True,

allow_redirects=False,

) as response:

total = 0

async for chunk in await response.iter_raw(RESPONSE_CHUNK_BYTES):

total += len(chunk)

actual = {11: "h1", 20: "h2"}.get(response.http_version)

return validation(

response.status_code, actual, protocol, total, len(body)

)

yield post

elif client_id == "curl_cffi":

from curl_cffi import CurlHttpVersion, CurlOpt, CurlSslVersion

from curl_cffi.requests import AsyncSession

version = (

CurlHttpVersion.V1_1

if protocol == "h1"

else CurlHttpVersion.V2_PRIOR_KNOWLEDGE

)

async with AsyncSession(

max_clients=POOL_LIMIT,

verify=False,

trust_env=False,

allow_redirects=False,

timeout=None,

http_version=version,

curl_options={

CurlOpt.PROXY: "",

# libcurl encodes the maximum TLS version in the high 16 bits.

CurlOpt.SSLVERSION: int(CurlSslVersion.TLSv1_3)

| (int(CurlSslVersion.TLSv1_3) << 16),

},

) as client:

async def post():

async with client.stream(

"POST", url, content=parts(chunks) if chunks else body

) as response:

total = 0

async for chunk in response.aiter_content():

total += len(chunk)

actual = {

CurlHttpVersion.V1_1: "h1",

CurlHttpVersion.V2_0: "h2",

}.get(response.http_version)

return validation(

response.status_code, actual, protocol, total, len(body)

)

yield post