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MEDIUM: http: enable analysers to have keep-alive on stats

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This allows the stats page to work in keep-alive mode and to be
compressed. At compression ratios up to 80%, it's quite interesting
for large pages.

We ensure to skip filters because we don't want to unexpectedly block
a response nor to mangle response headers.
This commit is contained in:
Willy Tarreau 2014-04-24 18:06:27 +02:00
parent ed2119c2fc
commit 70730dddbd
1 changed files with 14 additions and 1 deletions
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15
src/proto_http.c
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@ -3800,7 +3800,13 @@ int http_process_req_common(struct session *s, struct channel *req, int an_bit,
s->flags |= SN_FINST_R;
req->analyse_exp = TICK_ETERNITY;
req->analysers = AN_REQ_HTTP_XFER_BODY;
/* we may want to compress the stats page */
if (s->fe->comp || s->be->comp)
select_compression_request_header(s, req->buf);
/* enable the minimally required analyzers to handle keep-alive and compression on the HTTP response */
req->analysers = AN_REQ_HTTP_XFER_BODY | AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_BE | AN_RES_HTTP_XFER_BODY;
return 1;
}
@ -5856,6 +5862,12 @@ int http_process_res_common(struct session *s, struct channel *rep, int an_bit,
/* we want to have the response time before we start processing it */
s->logs.t_data = tv_ms_elapsed(&s->logs.tv_accept, &now);
/* The stats applet needs to adjust the Connection header but we don't
* apply any filter there.
*/
if (unlikely(objt_applet(s->target) == &http_stats_applet))
goto skip_filters;
/*
* We will have to evaluate the filters.
* As opposed to version 1.2, now they will be evaluated in the
@ -6058,6 +6070,7 @@ int http_process_res_common(struct session *s, struct channel *rep, int an_bit,
goto return_srv_prx_502;
}
skip_filters:
/*
* Adjust "Connection: close" or "Connection: keep-alive" if needed.
* If an "Upgrade" token is found, the header is left untouched in order