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Re: 8.14.1: Test 1542 racy?

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From: Christian Weisgerber via curl-library <curl-library_at_lists.haxx.se>
Date: Mon, 9 Jun 2025 23:14:43 +0200

Stefan Eissing:

> Not reproducible on macOS. If you apply the attached patch on a debug build, we should learn more. The log in tests/log/stderr1542 should then show when connections are reused with that life times and when they are closed instead.
>
> The close that is missing in your failed runs would be missing the line:
> == Info: Too old connection (20xx ms since creation), disconnect it

Here's the run output...

------------------->
test 1542...[connection reuse with CURLOPT_MAXLIFETIME_CONN]
--p---oe--- OK (1 out of 10 , remaining: 00:27, took 3.063s, duration: 00:03)
test 1542...[connection reuse with CURLOPT_MAXLIFETIME_CONN]
--p---oe--- OK (2 out of 10 , remaining: 00:20, took 2.075s, duration: 00:05)
test 1542...[connection reuse with CURLOPT_MAXLIFETIME_CONN]

1542: output (log/stderr1542) FAILED:
--- log/check-expected Mon Jun 9 23:10:22 2025
+++ log/check-generated Mon Jun 9 23:10:22 2025
_at__at_ -1,5 +1,4 _at__at_
== Info: Connection #0 to host 127.0.0.1 left intact[CR][LF]
== Info: Connection #0 to host 127.0.0.1 left intact[CR][LF]
== Info: Connection #0 to host 127.0.0.1 left intact[CR][LF]
-== Info: shutting down connection #0[CR][LF]
-== Info: Connection #1 to host 127.0.0.1 left intact[CR][LF]
+== Info: Connection #0 to host 127.0.0.1 left intact[CR][LF]

- abort tests
TESTDONE: 3 tests were considered during 7 seconds.
TESTDONE: 2 tests out of 3 reported OK: 66%
<-------------------

... and here's log/stderr1542:

------------------->
URL: http://127.0.0.1:46884/1542
== Info: !!! WARNING !!!
== Info: This is a debug build of libcurl, do not use in production.
== Info: Trying 127.0.0.1:46884...
== Info: Connected to 127.0.0.1 (127.0.0.1) port 46884
== Info: using HTTP/1.x
== Info: sending last upload chunk of 58 bytes
== Info: Curl_xfer_send(len=58, eos=1) -> 0, 58
=> Send header, 58 bytes (0x3a)
0000: GET /1542 HTTP/1.1
0014: Host: 127.0.0.1:46884
002b: Accept: */*
0038:
<= Recv header, 17 bytes (0x11)
0000: HTTP/1.1 200 OK
<= Recv header, 19 bytes (0x13)
0000: Content-Length: 0
<= Recv header, 2 bytes (0x2)
0000:
== Info: Connection #0 to host 127.0.0.1 left intact
== Info: connection has been idle for 0 ms (max idle 118 sec)
== Info: Re-using existing http: connection with host 127.0.0.1
== Info: sending last upload chunk of 58 bytes
== Info: Curl_xfer_send(len=58, eos=1) -> 0, 58
=> Send header, 58 bytes (0x3a)
0000: GET /1542 HTTP/1.1
0014: Host: 127.0.0.1:46884
002b: Accept: */*
0038:
<= Recv header, 17 bytes (0x11)
0000: HTTP/1.1 200 OK
<= Recv header, 19 bytes (0x13)
0000: Content-Length: 0
<= Recv header, 2 bytes (0x2)
0000:
== Info: Connection #0 to host 127.0.0.1 left intact
== Info: connection has been idle for 1993 ms (max idle 118 sec)
== Info: connection has been idle for 1993 ms (max idle 118 sec)
== Info: Re-using existing http: connection with host 127.0.0.1
== Info: sending last upload chunk of 58 bytes
== Info: Curl_xfer_send(len=58, eos=1) -> 0, 58
=> Send header, 58 bytes (0x3a)
0000: GET /1542 HTTP/1.1
0014: Host: 127.0.0.1:46884
002b: Accept: */*
0038:
<= Recv header, 17 bytes (0x11)
0000: HTTP/1.1 200 OK
<= Recv header, 19 bytes (0x13)
0000: Content-Length: 0
<= Recv header, 2 bytes (0x2)
0000:
== Info: Connection #0 to host 127.0.0.1 left intact
== Info: connection has been idle for 0 ms (max idle 118 sec)
== Info: connection age is 1996 ms (max 1 sec)
== Info: Re-using existing http: connection with host 127.0.0.1
== Info: sending last upload chunk of 58 bytes
== Info: Curl_xfer_send(len=58, eos=1) -> 0, 58
=> Send header, 58 bytes (0x3a)
0000: GET /1542 HTTP/1.1
0014: Host: 127.0.0.1:46884
002b: Accept: */*
0038:
<= Recv header, 17 bytes (0x11)
0000: HTTP/1.1 200 OK
<= Recv header, 19 bytes (0x13)
0000: Content-Length: 0
<= Recv header, 2 bytes (0x2)
0000:
== Info: Connection #0 to host 127.0.0.1 left intact
Test ended with result 0
------------------->

-- 
Christian "naddy" Weisgerber                          naddy_at_mips.inka.de
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Received on 2025-06-09

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