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2b3dfb4ad4
- allow to specify when they are wanted on starting a resolve - match dns cache entries accordingly. An entry which never tried to get HTTPS-RRs is no answer for a resolve that wants it. - fix late arrivals of resolve answers to match the "async" records that started them - if it still exists. - provide for multiple "async" resolves in a transfer at the same time. We may need to resolve an IP interface while the main connection resolve has not finished yet. - allow lookup of HTTPS-RR information as soon as it is available, even if A/AAAA queries are still ongoing. For this, the "async" infrastructure is changed: - Defined bits for DNS queries `CURL_DNSQ_A`, `CURL_DNSQ_AAAA` and `CURL_DNSQ_HTTPS`. These replace `ip_version` which says nothing about HTTPS. Use them in dns cache entries for matching. - enhance the `async->id` to be a unique `uint32_t` for resolves inside one multi. This is weak, as the id may wrap around. However it is combined with the `mid` of the easy handle, making collisions highly unlikely. `data->state.async` is only accessed in few places where the mid/async-id match is performed. - vtls: for ECH supporting TLS backends (openssl, rustls, wolfssl), retrieve the HTTPS-RR information from the dns connection filter. Delay the connect if the HTTPS-RR is needed, but has not been resolved yet. The implementation of all this is complete for the threaded resolver. c-ares resolver and DoH do not take advantage of all new async features yet. To be done in separate PRs. Details: c-ares: cleanup settings and initialisation. Any ares channel is only being created on starting a resolve and propagating operations in setopt.c to the channel are not helpful. Changed threaded+ares pollset handling so that they do not overwrite each others `ASYNC_NAME` timeouts. Add trace name 'threads' for tracing thread queue and pool used by threaded resolver. Closes #21175 |
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| certs | ||
| cmake | ||
| data | ||
| http | ||
| libtest | ||
| server | ||
| tunit | ||
| unit | ||
| .gitignore | ||
| allversions.pm | ||
| appveyor.pm | ||
| azure.pm | ||
| CMakeLists.txt | ||
| config.in | ||
| configurehelp.pm.in | ||
| devtest.pl | ||
| dictserver.py | ||
| directories.pm | ||
| ech_combos.py | ||
| ech_tests.sh | ||
| ftpserver.pl | ||
| getpart.pm | ||
| globalconfig.pm | ||
| http2-server.pl | ||
| http3-server.pl | ||
| http-server.pl | ||
| Makefile.am | ||
| memanalyze.pl | ||
| memanalyzer.pm | ||
| negtelnetserver.py | ||
| nghttpx.conf | ||
| pathhelp.pm | ||
| processhelp.pm | ||
| requirements.txt | ||
| rtspserver.pl | ||
| runner.pm | ||
| runtests.pl | ||
| secureserver.pl | ||
| serverhelp.pm | ||
| servers.pm | ||
| smbserver.py | ||
| sshhelp.pm | ||
| sshserver.pl | ||
| test745.pl | ||
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| testcurl.pl | ||
| testutil.pm | ||
| tftpserver.pl | ||
| util.py | ||
| valgrind.pm | ||
| valgrind.supp | ||