Lighttpd

2016-08-06

08:28 Revision 4bc06bfc: [core] check if client half-closed TCP if POLLHUP (#2743)

Check if client half-closed TCP connection if POLLHUP is received.
This more robustly handles if client called shutdo... gstrauss

08:20 Bug #2743: 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

I pushed the second patch to personal/gstrauss/master branch at
... gstrauss

05:26 Bug #2743: 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

Having posted all that specific to *BSD/Darwin, @flynn reports above that his system is Linux. I haven't been able t... gstrauss

05:16 Bug #2743 (Patch Pending): 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

It appears that a similar situation was reported in the past: #2688 "[PATCH] LightyTest.pm: do not shutdown on darwin... gstrauss

06:24 Revision 1de652f4: [mod_proxy,mod_scgi] shutdown remote only if local (#2743)

shutdown(fd, SHUT_WR) after sending request to proxy or SCGI
only if remote is local and platform is not *BSD or Darw... gstrauss

05:19 Bug #2688: [PATCH] LightyTest.pm: do not shutdown on darwin

> It's unclear whether or not this problem is limited only to Perl or is system wide.
It appears to be a problem o... gstrauss

2016-08-03

17:12 Bug #2743: 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

@flynn: thanks for your continued troubleshooting. It remains to be seen how many others run into this, and I recogn... gstrauss

13:28 Bug #2743: 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

I'm pretty sure HTTP defines a "client side close" as connection abort (whether explicitly in the RFC, or implicitly ... stbuehler

12:58 Bug #2743: 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

Buildbot really does not support a prefix option or feature, but I posted an alternative approach rewriting proxy req... flynn

12:44 Bug #164: mod_proxy and mod_rewrite inside the same URL conditional?

Although I used this "double" proxy solution for many years, I searched for better solution.
Here is my new approa... flynn

02:32 Revision 156bea38: [TLS] SSL_shutdown() only if handshake finished

avoid noise in logs due to calling SSL_shutdown() on a connection
that has not yet completed TLS handshake gstrauss

2016-08-02

12:37 Bug #2743: 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

13:41:32.817484 recvfrom(12, "GET /default.css HTTP/1.0\r\nUser-"..., 65536, 0, NULL, NULL) = 185
13:41:32.818843 re... gstrauss

12:09 Bug #2743: 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

Buildbot does not send any response, because itself receives zero bytes and closes the connection.
strace Buildbot... flynn

11:36 Bug #2743: 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

Would you strace the buildbot side of the connection?
(lighttpd does not need to read() or recv() 0 bytes if ioctl()... gstrauss

11:10 Bug #2743: 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

OS is Linux. A longer strace:
writev(63, [{"GET /default.css HTTP/1.0\r\nUser-"..., 185}], 1) = 185
stat("/etc/lo... flynn

10:12 Bug #2743: 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

What operating system are you on? From a quick glance, it would appear that Twisted properly handles POLLHUP when it... gstrauss

09:27 Bug #2743: 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

Buildbot is open source: http://buildbot.net/
It is a continous integration application based on the python twisted ... flynn

09:17 Bug #2743: 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

See commit:923688d2 in lighttpd which adds more robust POLLHUP handling to lighttpd, and also adds the call to shutdo... gstrauss

09:12 Bug #2743: 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

Is lighttpd not waiting for a response or does the buildbot close the connection to lighttpd without sending a respon... gstrauss

09:06 Bug #2743: 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

The lighttpd sends the 500.
The connection is closed just after sending the request, lighttpd does not wait for th... flynn

09:00 Bug #2743 (Need Feedback): 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

Who is sending the 500, the buildbot or lighttpd?
lighttpd mod_proxy currently sends HTTP/1.0 request to backend, ... gstrauss

08:50 Bug #2743 (Fixed): 1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin

After updating to version 1.4.40 some (not all) proxied requests fail with a return value of 500.
This happens e.g. ... flynn

10:42 Feature #2694: [PATCH] add support for ssl.cadn-file

Patches are much more likely to be included if there is someone with whom I can discuss the patches, and who can reli... gstrauss

09:36 Feature #2694: [PATCH] add support for ssl.cadn-file

I updated the patch for version 1.4.41.
Can this make it into version 1.4.42? flynn

2016-07-31

12:40 Revision ccd817d3: - next is 1.4.42

gstrauss

06:41 Revision 29fa8056: [doc] NEWS

gstrauss

06:28 Revision fbae795d: [cmake] set cmake_minimum_required to 2.8.2

CHECK_SYMBOL_EXISTS() is available in CMake >= 2.8.0
Clang is supported in CMake >= 2.8.2 gstrauss

03:42 Revision 46b0e012: [cmake] enable warnings for GCC and Clang

Also set -Wno-cast-align for lemon; lemon is only the parser generator, either
it crashes or it works. stbuehler