#!/bin/bash
# test for ensuring metrics are not evicted before unused-ttl
# added 2016-04-13 by singh.janmejay
# This file is part of the rsyslog project, released under ASL 2.0
. ${srcdir:=.}/diag.sh init
generate_conf
add_conf '
ruleset(name="stats") {
  action(type="omfile" file="'${RSYSLOG_DYNNAME}'.out.stats.log")
}

module(load="../plugins/impstats/.libs/impstats" interval="4" severity="7" resetCounters="on" Ruleset="stats" bracketing="on")

template(name="outfmt" type="string" string="%msg% %$.increment_successful%\n")

dyn_stats(name="msg_stats" unusedMetricLife="1" resettable="off")

set $.msg_prefix = field($msg, 32, 1);

if (re_match($.msg_prefix, "foo|bar|baz|quux|corge|grault")) then {
  set $.increment_successful = dyn_inc("msg_stats", $.msg_prefix);
} else {
  set $.increment_successful = -1;
}

action(type="omfile" file="'$RSYSLOG_OUT_LOG'" template="outfmt")
'
startup
wait_for_stats_flush ${RSYSLOG_DYNNAME}.out.stats.log
rst_msleep 1000
injectmsg_file $srcdir/testsuites/dynstats_input_1
rst_msleep 4000
injectmsg_file $srcdir/testsuites/dynstats_input_2
rst_msleep 4000
injectmsg_file $srcdir/testsuites/dynstats_input_3
wait_queueempty
wait_for_stats_flush ${RSYSLOG_DYNNAME}.out.stats.log
content_check "foo 001 0"
content_check "foo 006 0"
shutdown_when_empty
wait_shutdown
# because dyn-accumulators for existing metrics were posted-to under a second, they should not have been evicted
custom_content_check 'baz=2' "${RSYSLOG_DYNNAME}.out.stats.log"
custom_content_check 'bar=1' "${RSYSLOG_DYNNAME}.out.stats.log"
custom_content_check 'foo=3' "${RSYSLOG_DYNNAME}.out.stats.log"
# sum is high because accumulators were never reset, and we expect them to last specific number of cycles(when we posted before ttl expiry)
first_column_sum_check 's/.*foo=\([0-9]*\)/\1/g' 'foo=' "${RSYSLOG_DYNNAME}.out.stats.log" 6
first_column_sum_check 's/.*bar=\([0-9]*\)/\1/g' 'bar=' "${RSYSLOG_DYNNAME}.out.stats.log" 1
first_column_sum_check 's/.*baz=\([0-9]*\)/\1/g' 'baz=' "${RSYSLOG_DYNNAME}.out.stats.log" 3
first_column_sum_check 's/.*new_metric_add=\([0-9]*\)/\1/g' 'new_metric_add=' "${RSYSLOG_DYNNAME}.out.stats.log" 3
first_column_sum_check 's/.*ops_overflow=\([0-9]*\)/\1/g' 'ops_overflow=' "${RSYSLOG_DYNNAME}.out.stats.log" 0
first_column_sum_check 's/.*no_metric=\([0-9]*\)/\1/g' 'no_metric=' "${RSYSLOG_DYNNAME}.out.stats.log" 0
exit_test