Mercurial > urweb
changeset 1944:68c8ffc4ae69
Make HTTP keepalive switch between available connections to improve throughput
author | Adam Chlipala <adam@chlipala.net> |
---|---|
date | Sat, 28 Dec 2013 06:27:08 -0500 |
parents | 3ecd0b6360eb |
children | 8b1692660dac |
files | src/c/http.c |
diffstat | 1 files changed, 12 insertions(+), 2 deletions(-) [+] |
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--- a/src/c/http.c Fri Dec 27 12:30:44 2013 -0500 +++ b/src/c/http.c Sat Dec 28 06:27:08 2013 -0500 @@ -266,8 +266,18 @@ // In case any other requests are queued up, shift // unprocessed part of buffer to front. int kept = back - after; - memmove(buf, after, kept); - back = buf + kept; + + if (/kept == 0) { + // No pipelining going on here. + // We'd might as well try to switch to a different connection, + // while we wait for more input on this one. + uw_enqueue(sock); + sock = 0; + } else { + // More input! Move it to the front and continue in this loop. + memmove(buf, after, kept); + back = buf + kept; + } } else { close(sock); sock = 0;