AReaL/arealite/utils/http.py

91 lines
2.7 KiB
Python

import asyncio
from typing import Any, Dict, Optional
import aiohttp
from realhf.base import logging
DEFAULT_RETRIES = 1
DEFAULT_REQUEST_TIMEOUT = 3600
logger = logging.getLogger(__file__)
def get_default_connector():
return aiohttp.TCPConnector(limit=0, use_dns_cache=False, force_close=True)
async def arequest_with_retry(
addr: str,
endpoint: str,
payload: Optional[Dict[str, Any]] = None,
session: aiohttp.ClientSession | None = None,
method: str = "POST",
max_retries: Optional[int] = None,
timeout: Optional[float] = None,
retry_delay: float = 1.0,
verbose=False,
) -> Dict:
timeout = timeout or DEFAULT_REQUEST_TIMEOUT
last_exception = None
max_retries = max_retries or DEFAULT_RETRIES
base_url = f"http://{addr}"
url = f"{base_url}{endpoint}"
timeo = aiohttp.ClientTimeout(
total=timeout,
sock_connect=timeout,
connect=timeout,
)
if session is None:
_session = aiohttp.ClientSession(
timeout=timeo,
read_bufsize=1024 * 1024 * 10,
connector=get_default_connector(),
)
else:
_session = session
for attempt in range(max_retries):
try:
if verbose:
logger.info("enter client session, start sending requests")
if method.upper() == "GET":
ctx = _session.get(url, timeout=timeo)
elif method.upper() == "POST":
ctx = _session.post(url, json=payload, timeout=timeo)
elif method.upper() == "PUT":
ctx = _session.put(url, json=payload, timeout=timeo)
elif method.upper() == "DELETE":
ctx = _session.delete(url, timeout=timeo)
else:
raise ValueError(f"Unsupported HTTP method: {method}")
async with ctx as response:
if verbose:
logger.info("http requests return")
response.raise_for_status()
res = await response.json()
if verbose:
logger.info("get http result")
if session is None:
await _session.close()
return res
except (
aiohttp.ClientError,
aiohttp.ClientResponseError,
asyncio.TimeoutError,
) as e:
last_exception = e
if attempt < max_retries - 1:
await asyncio.sleep(retry_delay)
continue
if session is None:
await _session.close()
raise RuntimeError(
f"Failed after {max_retries} retries each. "
f"Payload: {payload}. Addr: {addr}. Endpoint: {endpoint}. "
f"Last error: {last_exception}"
)