sock_dns: factor out message parsing and composition#16669
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miri64 merged 3 commits intoRIOT-OS:masterfrom Aug 11, 2021
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sock_dns: factor out message parsing and composition#16669miri64 merged 3 commits intoRIOT-OS:masterfrom
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Just to avoid confusion in the review: I did not rename the file and then moved the sock_dns parts to sys/net/application_layer/dns/dns.c, rather I renamed sys/net/application_layer/dns/dns.c to sys/net/application_layer/sock_dns/dns.c and then moved the message composition and parsing parts from sys/net/application_layer/sock_dns/dns.c to this sys/net/application_layer/dns/msg.c. However, since that was the majority of sys/net/application_layer/sock_dns/dns.c's content, Git interpreted it as a rename.
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Contribution description
This moves the composition and parsing of a DNS message to its own module. The idea is that they can be reused for other DNS transports such as DoH. Of course complexity and thus code size increases which is why I like to discuss this. The other route could be to integrate other transports such as DoH into
sock_dnsmonolithicly.Testing procedure
tests/gnrc_sock_dnsshould still pass. If desired, I can also add extra tests fordns_msg.Issues/PRs references
None.