#!/usr/bin/env bash

. ./test.common

test_start "intermittent connection"

# Pass packets only for 1200 seconds every 10000 seconds
base_delay=$(cat <<-EOF | tr -d '\n'
  (+ 1e-4
     (* -1
        (equal 0.1 (min (% time 10000) 1200) 1200)))
EOF
)

time_max_limit=1e-1
freq_max_limit=1e-2
time_rms_limit=2e-3
freq_rms_limit=2e-5
limit=100000

run_test || test_fail
check_chronyd_exit || test_fail
check_sync || test_fail

check_log_messages "Can't.*no selectable sources (1 unreachable" 9 10 || test_fail
check_log_messages "Selected source 192.168.123.1" 9 10 || test_fail

# Pass every 20th request
base_delay=$(cat <<-EOF | tr -d '\n'
  (+ 1e-4
     (* -1
        (equal 0.1 from 2)
        (equal 0.1 (min (% (sum 1) 20) 1) 1)))
EOF
)

time_max_limit=1e-2
freq_max_limit=1e-4
time_rms_limit=5e-3
max_sync_time=22000

run_test || test_fail
check_chronyd_exit || test_fail
check_sync || test_fail

check_log_messages "Can't.*no selectable sources (1 unreachable" 5 15 || test_fail
check_log_messages "Selected source 192.168.123.1" 5 15 || test_fail

test_pass