refactor: DNSTransport I/Os DNS messages (#760)

This diff refactors the DNSTransport model to receive in input a DNSQuery and return in output a DNSResponse.

The design of DNSQuery and DNSResponse takes into account the use case of a transport using getaddrinfo, meaning that we don't need to serialize and deserialize messages when using getaddrinfo.

The current codebase does not use a getaddrinfo transport, but I wrote one such a transport in the Websteps Winter 2021 prototype (https://github.com/bassosimone/websteps-illustrated/).

The design conversation that lead to producing this diff is https://github.com/ooni/probe/issues/2099
This commit is contained in:
Simone Basso 2022-05-25 17:03:58 +02:00 committed by GitHub
commit 01a513a496
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35 changed files with 1694 additions and 1039 deletions

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go.mod
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@ -17,7 +17,6 @@ require (
github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
github.com/google/uuid v1.3.0
github.com/gorilla/websocket v1.5.0
github.com/hexops/gotextdiff v1.0.3
github.com/iancoleman/strcase v0.2.0
github.com/lucas-clemente/quic-go v0.27.0
github.com/mattn/go-colorable v0.1.12