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MINOR: sample: implement the uptime sample fetch 

'uptime' returns the uptime of the current HAProxy worker in seconds.
This commit is contained in:
William Lallemand 2024-05-27 11:06:40 +02:00
parent f76e73511a
commit 0a00302fab
2 changed files with 14 additions and 0 deletions
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3
doc/configuration.txt
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@ -21435,6 +21435,9 @@ txn.sess_term_state : string
# Return a 429-Too-Many-Requests if stream timed out in queue
http-after-response set-status 429 if { txn.sess_term_state "sQ" }
uptime : integer
Returns the uptime of the current HAProxy worker in seconds.
uuid([<version>]) : string
Returns a UUID following the RFC 9562 standard. If the version is not
specified, a UUID version 4 (fully random) is returned.

11
src/sample.c
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@ -4823,6 +4823,16 @@ static int smp_fetch_uuid(const struct arg *args, struct sample *smp, const char
return 1;
}
/* returns the uptime in seconds */
static int
smp_fetch_uptime(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
smp->data.type = SMP_T_SINT;
smp->data.u.sint = ns_to_sec(now_ns - start_time_ns);
return 1;
}
/* Check if QUIC support was compiled and was not disabled by "no-quic" global option */
static int smp_fetch_quic_enabled(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
@ -5123,6 +5133,7 @@ static struct sample_fetch_kw_list smp_kws = {ILH, {
{ "thread", smp_fetch_thread, 0, NULL, SMP_T_SINT, SMP_USE_CONST },
{ "rand", smp_fetch_rand, ARG1(0,SINT), NULL, SMP_T_SINT, SMP_USE_CONST },
{ "stopping", smp_fetch_stopping, 0, NULL, SMP_T_BOOL, SMP_USE_INTRN },
{ "uptime", smp_fetch_uptime, 0, NULL, SMP_T_SINT, SMP_USE_CONST },
{ "uuid", smp_fetch_uuid, ARG1(0, SINT), smp_check_uuid, SMP_T_STR, SMP_USE_CONST },
{ "cpu_calls", smp_fetch_cpu_calls, 0, NULL, SMP_T_SINT, SMP_USE_INTRN },