If you are using "Connection: keep-alive" (default for HTTP/1.1) then connection will stay active until client disconnect (if you are using web-browser as client, just close corresponding tab). Or set connection timeout in MHD.
-- Best Wishes, Evgeny Grin On 11.08.2016 19:39, Yong Li wrote: > Hi Christian, > > Thanks for your mail! I tested a lot of times, and wait a long time > for the second try, but it always fail with "Server reached connection > limit (closing inbound connection)" > > I checked the source code, and find If I add the > "MHD_cleanup_connections (daemon);" before the MHD_accept_connection > call in MHD_run_from_select, the problem is resolved. > > It seems that we need to clean up the connections before accept new > connection? > > I find after the first connection, the MHD_select was blocked at > MHD_SYS_select_ call, and never call the MHD_cleanup_connections to > free the first connection. > > Any comments ? > > Thanks, > Yong > > 2016-08-11 22:00 GMT+08:00 <[email protected]>: >> Send libmicrohttpd mailing list submissions to >> [email protected] >> >> To subscribe or unsubscribe via the World Wide Web, visit >> https://lists.gnu.org/mailman/listinfo/libmicrohttpd >> or, via email, send a message with subject or body 'help' to >> [email protected] >> >> You can reach the person managing the list at >> [email protected] >> >> When replying, please edit your Subject line so it is more specific >> than "Re: Contents of libmicrohttpd digest..." >> >> >> Today's Topics: >> >> 1. MHD_OPTION_CONNECTION_LIMIT=1 issue (Yong Li) >> 2. Re: MHD_OPTION_CONNECTION_LIMIT=1 issue (Christian Grothoff) >> >> >> ---------------------------------------------------------------------- >> >> Message: 1 >> Date: Thu, 11 Aug 2016 21:13:17 +0800 >> From: Yong Li <[email protected]> >> To: [email protected] >> Cc: Yong Li <[email protected]> >> Subject: [libmicrohttpd] MHD_OPTION_CONNECTION_LIMIT=1 issue >> Message-ID: >> <CADO9-pebyPKnVRCZ4xFjy3sBvBNBAxXiK8m=RkbHvAjrD=v...@mail.gmail.com> >> Content-Type: text/plain; charset=UTF-8 >> >> Hi All, >> >> I am testing libmicrohttpd 0.9.50, and I found If I use >> MHD_USE_THREAD_PER_CONNECTION and MHD_OPTION_CONNECTION_LIMIT=1 >> options, the http server cannot accept curl connection on the second >> try. The first connection to the http server is okay, the second try >> failed with error message: Server reached connection limit (closing >> inbound connection) >> >> It seems that the MHD_cleanup_connections does not free the previous >> connection? >> >> Is it okay to set the MHD_OPTION_CONNECTION_LIMIT=1 ? >> >> Thanks, >> Yong >> >> >> >> ------------------------------ >> >> Message: 2 >> Date: Thu, 11 Aug 2016 16:00:31 +0200 >> From: Christian Grothoff <[email protected]> >> To: [email protected] >> Subject: Re: [libmicrohttpd] MHD_OPTION_CONNECTION_LIMIT=1 issue >> Message-ID: <[email protected]> >> Content-Type: text/plain; charset="utf-8" >> >> Hi Yong, >> >> MHD would clean up the previous connection, but in your case that >> probably simply doesn't happen in time for the 2nd request to be >> accepted. Setting the limit to 1 is _very_ low in almost all cases, >> and if you do so, you should expect connections to fail unless you >> really only have 1 client occasionally sending 1 request. >> >> Happy hacking! >> >> Christian >> >> On 08/11/2016 03:13 PM, Yong Li wrote: >>> Hi All, >>> >>> I am testing libmicrohttpd 0.9.50, and I found If I use >>> MHD_USE_THREAD_PER_CONNECTION and MHD_OPTION_CONNECTION_LIMIT=1 >>> options, the http server cannot accept curl connection on the second >>> try. The first connection to the http server is okay, the second try >>> failed with error message: Server reached connection limit (closing >>> inbound connection) >>> >>> It seems that the MHD_cleanup_connections does not free the previous >>> connection? >>> >>> Is it okay to set the MHD_OPTION_CONNECTION_LIMIT=1 ? >>> >>> Thanks, >>> Yong >>> >> -------------- next part -------------- >> A non-text attachment was scrubbed... >> Name: 0xE29FC3CC.asc >> Type: application/pgp-keys >> Size: 26252 bytes >> Desc: not available >> URL: >> <http://lists.gnu.org/archive/html/libmicrohttpd/attachments/20160811/2cfdcb7e/attachment.key> >> -------------- next part -------------- >> A non-text attachment was scrubbed... >> Name: signature.asc >> Type: application/pgp-signature >> Size: 819 bytes >> Desc: OpenPGP digital signature >> URL: >> <http://lists.gnu.org/archive/html/libmicrohttpd/attachments/20160811/2cfdcb7e/attachment.pgp> >> >> ------------------------------ >> >> Subject: Digest Footer >> >> _______________________________________________ >> libmicrohttpd mailing list >> [email protected] >> https://lists.gnu.org/mailman/listinfo/libmicrohttpd >> >> >> ------------------------------ >> >> End of libmicrohttpd Digest, Vol 88, Issue 8 >> ******************************************** >
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