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MINOR: Add fe_req_rate sample fetch 

The fe_req_rate is similar to fe_sess_rate, but fetches the number
of HTTP requests per second instead of connections/sessions per second.

Signed-off-by: Nenad Merdanovic <nmerdan@anine.io>
This commit is contained in:
Nenad Merdanovic 2016-10-03 04:57:37 +02:00 committed by Willy Tarreau
parent c3d8cd47e0
commit ad9a7e9770
2 changed files with 19 additions and 0 deletions
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5
doc/configuration.txt
View File

@ -12572,6 +12572,11 @@ fe_conn([<frontend>]) : integer
statistics to servers in HTTP headers. See also the "dst_conn", "be_conn",
"fe_sess_rate" fetches.
fe_req_rate([<frontend>]) : integer
Returns an integer value corresponding to the number of HTTP requests per
second sent to a frontend. This number can differ from "fe_sess_rate" in
situations where client-side keep-alive is enabled.
fe_sess_rate([<frontend>]) : integer
Returns an integer value corresponding to the sessions creation rate on the
frontend, in number of new sessions per second. This is used with ACLs to

14
src/frontend.c
View File

@ -167,6 +167,19 @@ smp_fetch_fe_id(const struct arg *args, struct sample *smp, const char *kw, void
return 1;
}
/* set temp integer to the number of HTTP requests per second reaching the frontend.
* Accepts exactly 1 argument. Argument is a frontend, other types will cause
* an undefined behaviour.
*/
static int
smp_fetch_fe_req_rate(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
smp->flags = SMP_F_VOL_TEST;
smp->data.type = SMP_T_SINT;
smp->data.u.sint = read_freq_ctr(&args->data.prx->fe_req_per_sec);
return 1;
}
/* set temp integer to the number of connections per second reaching the frontend.
* Accepts exactly 1 argument. Argument is a frontend, other types will cause
* an undefined behaviour.
@ -200,6 +213,7 @@ smp_fetch_fe_conn(const struct arg *args, struct sample *smp, const char *kw, vo
static struct sample_fetch_kw_list smp_kws = {ILH, {
{ "fe_conn", smp_fetch_fe_conn, ARG1(1,FE), NULL, SMP_T_SINT, SMP_USE_INTRN, },
{ "fe_id", smp_fetch_fe_id, 0, NULL, SMP_T_SINT, SMP_USE_FTEND, },
{ "fe_req_rate", smp_fetch_fe_req_rate, ARG1(1,FE), NULL, SMP_T_SINT, SMP_USE_INTRN, },
{ "fe_sess_rate", smp_fetch_fe_sess_rate, ARG1(1,FE), NULL, SMP_T_SINT, SMP_USE_INTRN, },
{ /* END */ },
}};