; config options go here.
server:
    serve-expired: yes
    serve-expired-ttl: 1
    serve-expired-ttl-reset: yes
    serve-expired-reply-ttl: 123
    serve-expired-client-timeout: 0
    ede: yes
    ede-serve-expired: yes
forward-zone: name: "." forward-addr: 216.0.0.1
CONFIG_END
SCENARIO_BEGIN Serve expired ttl with reset on forwarder with a timeout on upstream query
; Scenario overview:
; - Send query
; - Get reply
; - Wait for it to expire (+ serve-expired-ttl)
; - Send query again
; - Upstream timeouts
; - Error response from iterator SERVFAIL, resets expired-ttl on cache and sets norec_ttl blocking recursion
; - Check we are getting the cached response because it was expired-ttl-reset
; - Query again
; - Check we are getting the expired answer; prefetching is blocked by norec_ttl
; - If there was prefetching the test would fail with the pending upstream query

STEP 1 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www.example.com. IN A
ENTRY_END

; Upstream reply
STEP 2 REPLY
ENTRY_BEGIN
REPLY QR AA NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 10 IN A 0.0.0.0
ENTRY_END

STEP 3 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RA RD NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 10 IN A 0.0.0.0
ENTRY_END

; Expire the record (+ serve-expired-ttl)
STEP 4 TIME_PASSES ELAPSE 12

STEP 5 QUERY
ENTRY_BEGIN
REPLY RD DO
SECTION QUESTION
www.example.com. IN A
ENTRY_END

; But the pending query times out!
; outbound-msg-retry times timeout.
STEP 6 TIMEOUT
STEP 7 TIMEOUT
STEP 8 TIMEOUT
STEP 9 TIMEOUT
STEP 10 TIMEOUT

; Returns 
; but error response from iterator resets the expired ttl
STEP 11 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl ede=3
REPLY QR RA RD DO NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 123 IN A 0.0.0.0
ENTRY_END

; Query again
STEP 12 QUERY
ENTRY_BEGIN
REPLY RD DO
SECTION QUESTION
www.example.com. IN A
ENTRY_END

; Check that we get the expired answer
STEP 13 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl ede=3
REPLY QR RA RD DO NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 123 IN A 0.0.0.0
ENTRY_END

SCENARIO_END