MEDIUM: counters: factor out smp_fetch_sc*_sess_cnt

smp_fetch_sc0_sess_cnt, smp_fetch_sc1_sess_cnt, smp_fetch_sc2_sess_cnt,
smp_fetch_src_sess_cnt and smp_fetch_sess_cnt were merged into a single
function which relies on the fetch name to decide what to return.

diff --git a/src/session.c b/src/session.c
index f0dba25eb8fa50d181f131498d6ef0156a02b48a..5527780a2671b9f132ea4a14b75037fc9a2a44cd 100644 (file)
--- a/src/session.c
+++ b/src/session.c
@@ -2844,15 +2844,24 @@ smp_fetch_sc_conn_cur(struct proxy *px, struct session *l4, void *l7, unsigned i
        return 1;
 }
 
-/* set temp integer to the cumulated number of sessions in the stksess entry <ts> */
+/* set <smp> to the cumulated number of sessions from the session's tracked
+ * frontend counters. Supports being called as "sc[0-9]_sess_cnt" or
+ * "src_sess_cnt" only.
+ */
 static int
-smp_fetch_sess_cnt(struct stktable *table, struct sample *smp, struct stksess *ts)
+smp_fetch_sc_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
+                      const struct arg *args, struct sample *smp, const char *kw)
 {
+       struct stkctr *stkctr = smp_fetch_sc_stkctr(l4, args, kw);
+
+       if (!stkctr)
+               return 0;
+
        smp->flags = SMP_F_VOL_TEST;
        smp->type = SMP_T_UINT;
        smp->data.uint = 0;
-       if (ts != NULL) {
-               void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_SESS_CNT);
+       if (stkctr->entry != NULL) {
+               void *ptr = stktable_data_ptr(stkctr->table, stkctr->entry, STKTABLE_DT_SESS_CNT);
                if (!ptr)
                        return 0; /* parameter not stored */
                smp->data.uint = stktable_data_cast(ptr, sess_cnt);
@@ -2860,57 +2869,6 @@ smp_fetch_sess_cnt(struct stktable *table, struct sample *smp, struct stksess *t
        return 1;
 }
 
-/* set temp integer to the cumulated number of sessions from the session's tracked FE counters */
-static int
-smp_fetch_sc0_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
-                       const struct arg *args, struct sample *smp, const char *kw)
-{
-       if (!l4->stkctr[0].entry)
-               return 0;
-
-       return smp_fetch_sess_cnt(l4->stkctr[0].table, smp, l4->stkctr[0].entry);
-}
-
-/* set temp integer to the cumulated number of sessions from the session's tracked BE counters */
-static int
-smp_fetch_sc1_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
-                       const struct arg *args, struct sample *smp, const char *kw)
-{
-       if (!l4->stkctr[1].entry)
-               return 0;
-
-       return smp_fetch_sess_cnt(l4->stkctr[1].table, smp, l4->stkctr[1].entry);
-}
-
-/* set temp integer to the cumulated number of sessions from the session's tracked BE counters */
-static int
-smp_fetch_sc2_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
-                       const struct arg *args, struct sample *smp, const char *kw)
-{
-       if (!l4->stkctr[2].entry)
-               return 0;
-
-       return smp_fetch_sess_cnt(l4->stkctr[2].table, smp, l4->stkctr[2].entry);
-}
-
-/* set temp integer to the cumulated number of session from the session's source
- * address in the table pointed to by expr.
- * Accepts exactly 1 argument of type table.
- */
-static int
-smp_fetch_src_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
-                       const struct arg *args, struct sample *smp, const char *kw)
-{
-       struct stktable_key *key;
-
-       key = addr_to_stktable_key(&l4->si[0].conn->addr.from);
-       if (!key)
-               return 0;
-
-       px = args->data.prx;
-       return smp_fetch_sess_cnt(&px->table, smp, stktable_lookup_key(&px->table, key));
-}
-
 /* set temp integer to the session rate in the stksess entry <ts> over the configured period */
 static int
 smp_fetch_sess_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
@@ -3653,7 +3611,7 @@ static struct sample_fetch_kw_list smp_fetch_keywords = {ILH, {
        { "sc0_inc_gpc0",       smp_fetch_sc_inc_gpc0,        0,           NULL, SMP_T_UINT, SMP_USE_INTRN, },
        { "sc0_kbytes_in",      smp_fetch_sc0_kbytes_in,      0,           NULL, SMP_T_UINT, SMP_USE_L4CLI, },
        { "sc0_kbytes_out",     smp_fetch_sc0_kbytes_out,     0,           NULL, SMP_T_UINT, SMP_USE_L4CLI, },
-       { "sc0_sess_cnt",       smp_fetch_sc0_sess_cnt,       0,           NULL, SMP_T_UINT, SMP_USE_INTRN, },
+       { "sc0_sess_cnt",       smp_fetch_sc_sess_cnt,        0,           NULL, SMP_T_UINT, SMP_USE_INTRN, },
        { "sc0_sess_rate",      smp_fetch_sc0_sess_rate,      0,           NULL, SMP_T_UINT, SMP_USE_INTRN, },
        { "sc0_tracked",        smp_fetch_sc_tracked,         0,           NULL, SMP_T_BOOL, SMP_USE_INTRN, },
        { "sc0_trackers",       smp_fetch_sc0_trackers,       0,           NULL, SMP_T_UINT, SMP_USE_INTRN, },
@@ -3672,7 +3630,7 @@ static struct sample_fetch_kw_list smp_fetch_keywords = {ILH, {
        { "sc1_inc_gpc0",       smp_fetch_sc_inc_gpc0,        0,           NULL, SMP_T_UINT, SMP_USE_INTRN, },
        { "sc1_kbytes_in",      smp_fetch_sc1_kbytes_in,      0,           NULL, SMP_T_UINT, SMP_USE_L4CLI, },
        { "sc1_kbytes_out",     smp_fetch_sc1_kbytes_out,     0,           NULL, SMP_T_UINT, SMP_USE_L4CLI, },
-       { "sc1_sess_cnt",       smp_fetch_sc1_sess_cnt,       0,           NULL, SMP_T_UINT, SMP_USE_INTRN, },
+       { "sc1_sess_cnt",       smp_fetch_sc_sess_cnt,        0,           NULL, SMP_T_UINT, SMP_USE_INTRN, },
        { "sc1_sess_rate",      smp_fetch_sc1_sess_rate,      0,           NULL, SMP_T_UINT, SMP_USE_INTRN, },
        { "sc1_tracked",        smp_fetch_sc_tracked,         0,           NULL, SMP_T_BOOL, SMP_USE_INTRN, },
        { "sc1_trackers",       smp_fetch_sc1_trackers,       0,           NULL, SMP_T_UINT, SMP_USE_INTRN, },
@@ -3691,7 +3649,7 @@ static struct sample_fetch_kw_list smp_fetch_keywords = {ILH, {
        { "sc2_inc_gpc0",       smp_fetch_sc_inc_gpc0,        0,           NULL, SMP_T_UINT, SMP_USE_INTRN, },
        { "sc2_kbytes_in",      smp_fetch_sc2_kbytes_in,      0,           NULL, SMP_T_UINT, SMP_USE_L4CLI, },
        { "sc2_kbytes_out",     smp_fetch_sc2_kbytes_out,     0,           NULL, SMP_T_UINT, SMP_USE_L4CLI, },
-       { "sc2_sess_cnt",       smp_fetch_sc2_sess_cnt,       0,           NULL, SMP_T_UINT, SMP_USE_INTRN, },
+       { "sc2_sess_cnt",       smp_fetch_sc_sess_cnt,        0,           NULL, SMP_T_UINT, SMP_USE_INTRN, },
        { "sc2_sess_rate",      smp_fetch_sc2_sess_rate,      0,           NULL, SMP_T_UINT, SMP_USE_INTRN, },
        { "sc2_tracked",        smp_fetch_sc_tracked,         0,           NULL, SMP_T_BOOL, SMP_USE_INTRN, },
        { "sc2_trackers",       smp_fetch_sc2_trackers,       0,           NULL, SMP_T_UINT, SMP_USE_INTRN, },
@@ -3710,7 +3668,7 @@ static struct sample_fetch_kw_list smp_fetch_keywords = {ILH, {
        { "src_inc_gpc0",       smp_fetch_sc_inc_gpc0,        ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, },
        { "src_kbytes_in",      smp_fetch_src_kbytes_in,      ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, },
        { "src_kbytes_out",     smp_fetch_src_kbytes_out,     ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, },
-       { "src_sess_cnt",       smp_fetch_src_sess_cnt,       ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, },
+       { "src_sess_cnt",       smp_fetch_sc_sess_cnt,        ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, },
        { "src_sess_rate",      smp_fetch_src_sess_rate,      ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, },
        { "src_updt_conn_cnt",  smp_fetch_src_updt_conn_cnt,  ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, },
        { "table_avl",          smp_fetch_table_avl,          ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, },