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MINOR: Add fe_req_rate sample fetch

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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
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@ -12572,6 +12572,11 @@ fe_conn([<frontend>]) : integer
statistics to servers in HTTP headers. See also the "dst_conn", "be_conn", statistics to servers in HTTP headers. See also the "dst_conn", "be_conn",
"fe_sess_rate" fetches. "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 fe_sess_rate([<frontend>]) : integer
Returns an integer value corresponding to the sessions creation rate on the 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 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; 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. /* 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 * Accepts exactly 1 argument. Argument is a frontend, other types will cause
* an undefined behaviour. * 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, { 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_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_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, }, { "fe_sess_rate", smp_fetch_fe_sess_rate, ARG1(1,FE), NULL, SMP_T_SINT, SMP_USE_INTRN, },
{ /* END */ }, { /* END */ },
}}; }};