unbound/testdata/cachedb_expired_reply_ttl.crpl

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; config options
server:
target-fetch-policy: "0 0 0 0 0"
qname-minimisation: no
minimal-responses: no
serve-expired: yes
serve-expired-reply-ttl: 30
module-config: "cachedb iterator"
cachedb:
backend: "testframe"
secret-seed: "testvalue"
cachedb-check-when-serve-expired: yes
stub-zone:
name: "."
stub-addr: 193.0.14.129
CONFIG_END
SCENARIO_BEGIN Test cachedb and serve-expired-reply-ttl.
; K.ROOT-SERVERS.NET.
RANGE_BEGIN 0 400
ADDRESS 193.0.14.129
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
. IN NS
SECTION ANSWER
. IN NS K.ROOT-SERVERS.NET.
SECTION ADDITIONAL
K.ROOT-SERVERS.NET. IN A 193.0.14.129
ENTRY_END
ENTRY_BEGIN
MATCH opcode subdomain
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
com. IN NS
SECTION AUTHORITY
com. IN NS a.gtld-servers.net.
SECTION ADDITIONAL
a.gtld-servers.net. IN A 192.5.6.30
ENTRY_END
RANGE_END
; a.gtld-servers.net.
RANGE_BEGIN 0 400
ADDRESS 192.5.6.30
ENTRY_BEGIN
MATCH opcode subdomain
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
example.com. IN NS
SECTION AUTHORITY
example.com. IN NS ns2.example.com.
SECTION ADDITIONAL
ns2.example.com. IN A 1.2.3.5
ENTRY_END
ENTRY_BEGIN
MATCH opcode subdomain
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
foo.com. IN NS
SECTION AUTHORITY
foo.com. IN NS ns.example.com.
ENTRY_END
RANGE_END
; ns2.example.com.
RANGE_BEGIN 0 400
ADDRESS 1.2.3.5
ENTRY_BEGIN
MATCH opcode qname qtype
REPLY QR AA NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 10 IN A 1.2.3.4
ENTRY_END
ENTRY_BEGIN
MATCH opcode qname qtype
REPLY QR AA NOERROR
SECTION QUESTION
www2.example.com. IN A
SECTION ANSWER
www2.example.com. 10 IN A 1.2.3.5
ENTRY_END
RANGE_END
; make time not 0
STEP 2 TIME_PASSES ELAPSE 212
; Get an entry in cache, to make it expired.
STEP 4 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www.example.com. IN A
ENTRY_END
; get the answer for it
STEP 10 CHECK_ANSWER
ENTRY_BEGIN
MATCH all
REPLY QR RD RA NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 10 IN A 1.2.3.4
ENTRY_END
; Get another query in cache to make it expired.
STEP 20 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www2.example.com. IN A
ENTRY_END
; get the answer for it
STEP 30 CHECK_ANSWER
ENTRY_BEGIN
MATCH all
REPLY QR RD RA NOERROR
SECTION QUESTION
www2.example.com. IN A
SECTION ANSWER
www2.example.com. 10 IN A 1.2.3.5
ENTRY_END
; it is now expired
STEP 40 TIME_PASSES ELAPSE 20
; cache is expired, and cachedb is expired.
STEP 50 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www2.example.com. IN A
ENTRY_END
STEP 60 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NOERROR
SECTION QUESTION
www2.example.com. IN A
SECTION ANSWER
www2.example.com. 30 IN A 1.2.3.5
ENTRY_END
; got an answer from upstream
STEP 61 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www2.example.com. IN A
ENTRY_END
STEP 62 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NOERROR
SECTION QUESTION
www2.example.com. IN A
SECTION ANSWER
www2.example.com. 10 IN A 1.2.3.5
ENTRY_END
; cache is expired, cachedb has no answer
STEP 70 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www.example.com. IN A
ENTRY_END
STEP 80 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 30 IN A 1.2.3.4
ENTRY_END
STEP 90 TRAFFIC
; the entry should be refreshed in cache now.
; cache is valid and cachedb is valid.
STEP 100 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www.example.com. IN A
ENTRY_END
STEP 110 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 10 IN A 1.2.3.4
ENTRY_END
; make both cache and cachedb expired.
STEP 120 TIME_PASSES ELAPSE 20
STEP 130 FLUSH_MESSAGE www.example.com. IN A
; cache has no entry and cachedb is expired.
STEP 140 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www.example.com. IN A
ENTRY_END
STEP 150 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 30 IN A 1.2.3.4
ENTRY_END
; the name is resolved
STEP 160 TRAFFIC
; the resolve name has been updated.
STEP 170 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www.example.com. IN A
ENTRY_END
STEP 180 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 10 IN A 1.2.3.4
ENTRY_END
SCENARIO_END