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MINOR: sample: implement bc_{be,srv}_queue samples

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%[bc_be_queue] and %[bc_srv_queue] are equivalent to %bq and %sq tags in
log-format.
This commit is contained in:
Aurelien DARRAGON 2024-02-07 10:55:22 +01:00
parent 16014bc5b3
commit 0c437b2dfc
2 changed files with 39 additions and 0 deletions
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12
doc/configuration.txt
View File

@ -21025,6 +21025,7 @@ Summary of sample fetch methods in this section and their respective types:
-------------------------------------------------+-------------
accept_date([<unit>]) integer
bc.timer.connect integer
bc_be_queue integer
bc_dst ip
bc_dst_port integer
bc_err integer
@ -21033,6 +21034,7 @@ bc_glitches integer
bc_http_major integer
bc_src ip
bc_src_port integer
bc_srv_queue integer
be_id integer
be_name string
bc_rtt(<unit>) integer
@ -21251,6 +21253,10 @@ bc.timer.connect : integer
equivalent of %Tc in the log-format. This is reported in milliseconds (ms).
For more information see Section 8.4 "Timing events"
bc_be_queue : integer
Number of streams de-queued while waiting for a connection slot on the
target backend. This is the equivalent of %bq in the log-format.
bc_dst : ip
This is the destination ip address of the connection on the server side,
which is the server address HAProxy connected to. It is of type IP and works
@ -21301,6 +21307,10 @@ bc_src_port : integer
Returns an integer value corresponding to the TCP source port of the
connection on the server side, which is the port HAProxy connected from.
bc_srv_queue : integer
Number of streams de-queued while waiting for a connection slot on the
target server. This is the equivalent of %sq in the log-format.
be_id : integer
Returns an integer containing the current backend's id. It can be used in
frontends with responses to check which backend processed the request. If
@ -25400,6 +25410,7 @@ Please refer to the table below for currently defined variables :
| | | %[bc_src_port] | numeric |
+---+------+------------------------------------------------------+---------+
| | %bq | backend_queue | numeric |
| | | %[bc_be_queue] | |
+---+------+------------------------------------------------------+---------+
| | %ci | client_ip (accepted address) | |
| | | %[src] | IP |
@ -25456,6 +25467,7 @@ Please refer to the table below for currently defined variables :
| | | %[bc_dst_port] | numeric |
+---+------+------------------------------------------------------+---------+
| | %sq | srv_queue | numeric |
| | | %[bc_srv_queue] | |
+---+------+------------------------------------------------------+---------+
| S | %sslc| ssl_ciphers (ex: AES-SHA) | |
| | | %[ssl_fc_cipher] | string |

27
src/sample.c
View File

@ -4915,6 +4915,30 @@ static int smp_fetch_txn_timers(const struct arg *args, struct sample *smp, cons
return 0;
}
/* Server conn queueing infos - bc_{be,srv}_queue */
static int smp_fetch_conn_queues(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
struct strm_logs *logs;
if (!smp->strm)
return 0;
smp->data.type = SMP_T_SINT;
smp->flags = 0;
logs = &smp->strm->logs;
if (kw[3] == 'b') {
/* bc_be_queue */
smp->data.u.sint = logs->prx_queue_pos;
}
else {
/* bc_srv_queue */
smp->data.u.sint = logs->srv_queue_pos;
}
return 1;
}
/* Timing events {f,bc}.timer. */
static int smp_fetch_conn_timers(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
@ -5029,6 +5053,9 @@ static struct sample_fetch_kw_list smp_logs_kws = {ILH, {
{ "txn.timer.user", smp_fetch_txn_timers, 0, NULL, SMP_T_SINT, SMP_USE_TXFIN }, /* "Tu" */
{ "bc.timer.connect", smp_fetch_conn_timers, 0, NULL, SMP_T_SINT, SMP_USE_L4SRV }, /* "Tc" */
{ "bc_be_queue", smp_fetch_conn_queues, 0, NULL, SMP_T_SINT, SMP_USE_L4SRV }, /* "bq" */
{ "bc_srv_queue", smp_fetch_conn_queues, 0, NULL, SMP_T_SINT, SMP_USE_L4SRV }, /* "sq" */
{ "fc.timer.handshake", smp_fetch_conn_timers, 0, NULL, SMP_T_SINT, SMP_USE_L4CLI }, /* "Th" */
{ "fc.timer.total", smp_fetch_conn_timers, 0, NULL, SMP_T_SINT, SMP_USE_SSFIN }, /* "Tt" */