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MINOR: sample: implement act_conn sample fetch

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Implement the act_conn sample fetch which is the same as %ac (actconn)
in the log-format.
This commit is contained in:
William Lallemand 2023-07-12 18:05:25 +02:00
parent ac87815be9
commit 2a46bfe239
2 changed files with 15 additions and 0 deletions
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3
doc/configuration.txt
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@ -19289,6 +19289,9 @@ not even relate to any client information. These ones are sometimes used with
"monitor-fail" directives to report an internal status to external watchers. "monitor-fail" directives to report an internal status to external watchers.
The sample fetch methods described in this section are usable anywhere. The sample fetch methods described in this section are usable anywhere.
act_conn : integer
Returns the total number of active concurrent connections on the process.
always_false : boolean always_false : boolean
Always returns the boolean "false" value. It may be used with ACLs as a Always returns the boolean "false" value. It may be used with ACLs as a
temporary replacement for another one when adjusting configurations. temporary replacement for another one when adjusting configurations.

12
src/sample.c
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@ -4075,6 +4075,17 @@ static int sample_conv_jwt_payload_query(const struct arg *args, struct sample *
/* All supported sample fetch functions must be declared here */ /* All supported sample fetch functions must be declared here */
/************************************************************************/ /************************************************************************/
/* returns the actconn */
static int
smp_fetch_actconn(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
smp->data.type = SMP_T_SINT;
smp->data.u.sint = actconn;
return 1;
}
/* force TRUE to be returned at the fetch level */ /* force TRUE to be returned at the fetch level */
static int static int
smp_fetch_true(const struct arg *args, struct sample *smp, const char *kw, void *private) smp_fetch_true(const struct arg *args, struct sample *smp, const char *kw, void *private)
@ -4500,6 +4511,7 @@ static int smp_fetch_quic_enabled(const struct arg *args, struct sample *smp, co
* common denominator, the type that can be casted into all other ones. * common denominator, the type that can be casted into all other ones.
*/ */
static struct sample_fetch_kw_list smp_kws = {ILH, { static struct sample_fetch_kw_list smp_kws = {ILH, {
{ "act_conn", smp_fetch_actconn, 0, NULL, SMP_T_SINT, SMP_USE_CONST },
{ "always_false", smp_fetch_false, 0, NULL, SMP_T_BOOL, SMP_USE_CONST }, { "always_false", smp_fetch_false, 0, NULL, SMP_T_BOOL, SMP_USE_CONST },
{ "always_true", smp_fetch_true, 0, NULL, SMP_T_BOOL, SMP_USE_CONST }, { "always_true", smp_fetch_true, 0, NULL, SMP_T_BOOL, SMP_USE_CONST },
{ "env", smp_fetch_env, ARG1(1,STR), NULL, SMP_T_STR, SMP_USE_CONST }, { "env", smp_fetch_env, ARG1(1,STR), NULL, SMP_T_STR, SMP_USE_CONST },