mirror of
https://github.com/NLnetLabs/unbound.git
synced 2024-09-21 06:37:08 +00:00
- Merge #664 from tilan7763: Add prefetch support for subnet cache
entries. - For #664: Easier code flow for subnetcache prefetching. - For #664: Add testcase. - For #664: Rename subnet_prefetch tests to subnet_global_prefetch to differentiate from the new subnet prefetch support.
This commit is contained in:
George Thessalonikefs
parent
a952ac17be
commit
7240ecbeb0
@ -1,3 +1,11 @@
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11 July 2023: George
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- Merge #664 from tilan7763: Add prefetch support for subnet cache
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entries.
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- For #664: Easier code flow for subnetcache prefetching.
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- For #664: Add testcase.
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- For #664: Rename subnet_prefetch tests to subnet_global_prefetch to
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differentiate from the new subnet prefetch support.
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3 July 2023: George
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- Merge #739: Add SVCB dohpath support.
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- Code cleanup for sldns_str2wire_svcparam_key_lookup.
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236
testdata/subnet_global_prefetch.crpl
vendored
Normal file
236
testdata/subnet_global_prefetch.crpl
vendored
Normal file
@ -0,0 +1,236 @@
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; Check if the prefetch option works properly for messages stored in the global
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; cache for non-ECS clients. The prefetch query needs to result in an ECS
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; outgoing query based on the client's IP.
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server:
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trust-anchor-signaling: no
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target-fetch-policy: "0 0 0 0 0"
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send-client-subnet: 1.2.3.4
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max-client-subnet-ipv4: 21
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module-config: "subnetcache iterator"
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verbosity: 3
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access-control: 127.0.0.1 allow_snoop
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qname-minimisation: no
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minimal-responses: no
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prefetch: yes
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stub-zone:
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name: "."
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stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
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CONFIG_END
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SCENARIO_BEGIN Test prefetch option for global cache with ECS enabled
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; K.ROOT-SERVERS.NET.
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RANGE_BEGIN 0 100
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ADDRESS 193.0.14.129
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ENTRY_BEGIN
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MATCH opcode qtype qname ednsdata
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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. IN NS
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SECTION ANSWER
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. IN NS K.ROOT-SERVERS.NET.
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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;; we expect to receive empty
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HEX_EDNSDATA_END
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K.ROOT-SERVERS.NET. IN A 193.0.14.129
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION AUTHORITY
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com. IN NS a.gtld-servers.net.
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SECTION ADDITIONAL
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a.gtld-servers.net. IN A 192.5.6.30
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ENTRY_END
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RANGE_END
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; a.gtld-servers.net.
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RANGE_BEGIN 0 100
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ADDRESS 192.5.6.30
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ENTRY_BEGIN
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MATCH opcode qtype qname ednsdata
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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com. IN NS
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SECTION ANSWER
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com. IN NS a.gtld-servers.net.
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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;; we expect to receive empty
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HEX_EDNSDATA_END
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a.gtld-servers.net. IN A 192.5.6.30
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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RANGE_END
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; ns.example.com.
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RANGE_BEGIN 0 10
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ADDRESS 1.2.3.4
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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example.com. IN NS
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SECTION ANSWER
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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;; we expect to receive empty
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HEX_EDNSDATA_END
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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; response to query of interest
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 10 IN A 10.20.30.40
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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RANGE_END
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; ns.example.com.
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RANGE_BEGIN 11 100
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ADDRESS 1.2.3.4
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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example.com. IN NS
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SECTION ANSWER
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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;; we expect to receive empty
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HEX_EDNSDATA_END
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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; response to query of interest
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ENTRY_BEGIN
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MATCH opcode qtype qname ednsdata
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ADJUST copy_id copy_ednsdata_assume_clientsubnet
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REPLY QR NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 10 IN A 10.20.30.40
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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; client is 127.0.0.1
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00 08 ; OPC
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00 07 ; option length
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00 01 ; Family
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15 00 ; source mask, scopemask
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7f 00 00 ; address
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HEX_EDNSDATA_END
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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RANGE_END
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STEP 1 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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; This answer should be in the global cache (because no ECS from upstream)
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STEP 2 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. IN A 10.20.30.40
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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; Try to trigger a prefetch
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STEP 3 TIME_PASSES ELAPSE 9
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STEP 11 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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; This record came from the global cache and a prefetch was triggered.
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STEP 12 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 1 IN A 10.20.30.40
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SECTION AUTHORITY
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example.com. 3591 IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. 3591 IN A 1.2.3.4
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ENTRY_END
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; Allow time to pass so that the global cache record is expired.
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STEP 13 TIME_PASSES ELAPSE 2
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; Query again to verify that the record was prefetched and stored in the ECS
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; cache.
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STEP 15 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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; This record came from the ECS cache.
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STEP 16 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 8 IN A 10.20.30.40
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SECTION AUTHORITY
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example.com. 3598 IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. 3598 IN A 1.2.3.4
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ENTRY_END
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SCENARIO_END
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241
testdata/subnet_global_prefetch_expired.crpl
vendored
Normal file
241
testdata/subnet_global_prefetch_expired.crpl
vendored
Normal file
@ -0,0 +1,241 @@
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; Check if the prefetch option works properly for messages stored in the global
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; cache for non-ECS clients. The prefetch query needs to result in an ECS
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; outgoing query based on the client's IP.
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; Prefetch initiated via serve-expired.
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server:
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trust-anchor-signaling: no
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target-fetch-policy: "0 0 0 0 0"
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send-client-subnet: 1.2.3.4
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max-client-subnet-ipv4: 21
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module-config: "subnetcache iterator"
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verbosity: 3
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access-control: 127.0.0.1 allow_snoop
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qname-minimisation: no
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minimal-responses: no
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serve-expired: yes
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serve-expired-ttl: 1
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prefetch: yes
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stub-zone:
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name: "."
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stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
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CONFIG_END
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SCENARIO_BEGIN Test prefetch option for global cache with ECS enabled (initiated via serve-expired)
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; K.ROOT-SERVERS.NET.
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RANGE_BEGIN 0 100
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ADDRESS 193.0.14.129
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ENTRY_BEGIN
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MATCH opcode qtype qname ednsdata
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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. IN NS
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SECTION ANSWER
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. IN NS K.ROOT-SERVERS.NET.
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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;; we expect to receive empty
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HEX_EDNSDATA_END
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K.ROOT-SERVERS.NET. IN A 193.0.14.129
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION AUTHORITY
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com. IN NS a.gtld-servers.net.
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SECTION ADDITIONAL
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a.gtld-servers.net. IN A 192.5.6.30
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ENTRY_END
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RANGE_END
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; a.gtld-servers.net.
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RANGE_BEGIN 0 100
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ADDRESS 192.5.6.30
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ENTRY_BEGIN
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MATCH opcode qtype qname ednsdata
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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com. IN NS
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SECTION ANSWER
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com. IN NS a.gtld-servers.net.
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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;; we expect to receive empty
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HEX_EDNSDATA_END
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a.gtld-servers.net. IN A 192.5.6.30
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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RANGE_END
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; ns.example.com.
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RANGE_BEGIN 0 10
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ADDRESS 1.2.3.4
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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example.com. IN NS
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SECTION ANSWER
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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;; we expect to receive empty
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HEX_EDNSDATA_END
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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; response to query of interest
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 10 IN A 10.20.30.40
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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RANGE_END
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; ns.example.com.
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RANGE_BEGIN 11 100
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ADDRESS 1.2.3.4
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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example.com. IN NS
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SECTION ANSWER
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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;; we expect to receive empty
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HEX_EDNSDATA_END
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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; response to query of interest
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ENTRY_BEGIN
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MATCH opcode qtype qname ednsdata
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ADJUST copy_id copy_ednsdata_assume_clientsubnet
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REPLY QR NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 10 IN A 10.20.30.40
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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; client is 127.0.0.1
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00 08 ; OPC
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00 07 ; option length
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00 01 ; Family
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15 00 ; source mask, scopemask
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7f 00 00 ; address
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HEX_EDNSDATA_END
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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RANGE_END
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STEP 1 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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; This answer should be in the global cache (because no ECS from upstream)
|
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STEP 2 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. IN A 10.20.30.40
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SECTION AUTHORITY
|
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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; Try to trigger a prefetch with expired data
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STEP 3 TIME_PASSES ELAPSE 11
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|
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STEP 11 QUERY
|
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ENTRY_BEGIN
|
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REPLY RD
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SECTION QUESTION
|
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www.example.com. IN A
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ENTRY_END
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; This expired record came from the global cache and a prefetch is triggered.
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STEP 12 CHECK_ANSWER
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ENTRY_BEGIN
|
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MATCH all ttl
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REPLY QR RD RA NOERROR
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SECTION QUESTION
|
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 30 IN A 10.20.30.40
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SECTION AUTHORITY
|
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example.com. 3589 IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. 3589 IN A 1.2.3.4
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ENTRY_END
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;STEP 13 TRAFFIC
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; Allow enough time to pass so that the expired record from the global cache
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; cannot be used anymore.
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STEP 14 TIME_PASSES ELAPSE 1
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|
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; Query again to verify that the record was prefetched and stored in the ECS
|
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; cache.
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STEP 15 QUERY
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ENTRY_BEGIN
|
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REPLY RD
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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|
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; This record came from the ECS cache.
|
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STEP 16 CHECK_ANSWER
|
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ENTRY_BEGIN
|
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MATCH all ttl
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REPLY QR RD RA NOERROR
|
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SECTION QUESTION
|
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www.example.com. IN A
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SECTION ANSWER
|
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www.example.com. 9 IN A 10.20.30.40
|
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SECTION AUTHORITY
|
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example.com. 3599 IN NS ns.example.com.
|
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SECTION ADDITIONAL
|
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ns.example.com. 3599 IN A 1.2.3.4
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ENTRY_END
|
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|
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SCENARIO_END
|
||||
Loading…
Reference in New Issue
Block a user