FastHttpUser error: only SOCK_STREAM type sockets are supported

The code:

`import json from locust import SequentialTaskSet, task, constant from locust.contrib.fasthttp import FastHttpUser from locust import LoadTestShape

class Hong(SequentialTaskSet): @task def api_community_list(self): headers = {‘Content-Type’: ‘application/x-www-form-urlencoded’,‘tenantId’: ‘22’, “host”: “countyrmt-test-api.thecover.cn”} r_url = “/community/list” data = json.dumps({“page_size”: 10, “type”: 1}) requests_data = {“data”: data, ‘deviceid’: ‘1B722294-E6B7-4AB0-B60A-84AB9972BBCA-ODBD’, ‘token’: ‘e3620bae8bfb4d56902701466901ee93’, ‘optionName’: “test”} with self.client.post(r_url, data=requests_data, catch_response=True, name=r_url, headers=headers) as r: if r.content == b"": r.failure(“No data”) if r.status_code != 200: em = “request error --” + str(r.status_code) r.failure(em)

class LocustHljLocust(FastHttpUser): host = “http://123.4.28.255:80” wait_time = constant(0) tasks = {Hong: 1}`

An error occurred while passing headers in the request parameter:

[2020-12-22 17:26:08,722] thecovercs/ERROR/locust.user.task: only SOCK_STREAM type sockets are supported Traceback (most recent call last): File “d:\python\lib\site-packages\locust\user\task.py”, line 290, in run self.execute_next_task() File “d:\python\lib\site-packages\locust\user\task.py”, line 315, in execute_next_task self.execute_task(self._task_queue.pop(0)) File “d:\python\lib\site-packages\locust\user\task.py”, line 327, in execute_task task(self) File “D:\thecover_project\api_locust\locust_view\hongya\locust_hy.py”, line 27, in api_community_list with self.client.post(r_url, data=requests_data, catch_response=True, name=r_url, headers=headers) as r: File “d:\python\lib\site-packages\locust\contrib\fasthttp.py”, line 261, in post return self.request(“POST”, path, data=data, **kwargs) File “d:\python\lib\site-packages\locust\contrib\fasthttp.py”, line 189, in request response = self._send_request_safe_mode(method, url, payload=data, headers=headers, **kwargs) File “d:\python\lib\site-packages\locust\contrib\fasthttp.py”, line 109, in _send_request_safe_mode return self.client.urlopen(url, method=method, **kwargs) File “d:\python\lib\site-packages\geventhttpclient\useragent.py”, line 359, in urlopen last_error = self._handle_error(e, url=req.url) File “d:\python\lib\site-packages\geventhttpclient\useragent.py”, line 326, in _handle_error raise reraise(type(e), e, sys.exc_info()[2]) File “d:\python\lib\site-packages\six.py”, line 703, in reraise raise value File “d:\python\lib\site-packages\geventhttpclient\useragent.py”, line 354, in urlopen resp = self._urlopen(req) File “d:\python\lib\site-packages\locust\contrib\fasthttp.py”, line 402, in _urlopen resp = client.request( File “d:\python\lib\site-packages\geventhttpclient\client.py”, line 236, in request sock.sendfile(body) File “d:\python\lib\site-packages\gevent_socket3.py”, line 684, in sendfile return self._sendfile_use_send(file, offset, count) File “d:\python\lib\site-packages\gevent_socket3.py”, line 614, in _sendfile_use_send self._check_sendfile_params(file, offset, count) File “d:\python\lib\site-packages\gevent_socket3.py”, line 653, in _check_sendfile_params raise ValueError(“only SOCK_STREAM type sockets are supported”) ValueError: only SOCK_STREAM type sockets are supported

The same code, using HttpUser does not have this problem。

Environment

• OS: windows
• Python version: Python 3.8.3
• Locust version:locust 1.3.2
• Locust command line that you ran:
• Locust file contents (anonymized if necessary):

[hdzys]

Hmm… is the server doing somethis special in this case? Like returning an upgrade from HTTP to WebSocket?

Your quickest solution is just to use HttpUser, unless you absolutely need the extra load gen performance…

There’s nothing special on the server. er, I’ll use HttpUser or use ‘Get’ method first~ Anyway, thank you all very much！

[cyberw]

Closing this (feel free to reopen if there is a clear repro case with a publically available server)