scorecard: tweak request measurements

Increase max-parallel up to 300, the curl max

Tweak output to just give the http response code

Closes #14564

pytests: scorecard upload tests

- add upload tests to scorecard, invoke with
> python3 tests/http/scorecard.py -u h1|h2|h3
- add a reverse proxy setup from Caddy to httpd for

pytests: scorecard upload tests

- add upload tests to scorecard, invoke with
> python3 tests/http/scorecard.py -u h1|h2|h3
- add a reverse proxy setup from Caddy to httpd for
upload tests since Caddy does not have other PUT/POST handling
- add caddy tests in test_08 for POST/PUT
- increase read buffer in mod_curltest for larger reads

Closes #14208

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tests/httpd: adjust ReadBufferSize for better performance

- list httpd and caddy versions in scorecard run

Closes #14039

multi: multi_wait improvements

- only call `multi_getsock()` once for all transfers
- realloc pollset array on demand
- fold repeated sockets

Closes #13150

pytest: Scorecard tracking CPU and RSS

Closes #12765

http3: initial support for OpenSSL 3.2 QUIC stack

- HTTP/3 for curl using OpenSSL's own QUIC stack together
with nghttp3
- configure with `--with-openssl-quic` to enable curl to

http3: initial support for OpenSSL 3.2 QUIC stack

- HTTP/3 for curl using OpenSSL's own QUIC stack together
with nghttp3
- configure with `--with-openssl-quic` to enable curl to
build this. This requires the nghttp3 library
- implementation with the following restrictions:
* macOS has to use an unconnected UDP socket due to an
issue in OpenSSL's datagram implementation
See https://github.com/openssl/openssl/issues/23251
This makes connections to non-reponsive servers hang.
* GET requests will send the indicator that they have
no body in a separate QUIC packet. This may result
in processing delays or Transfer-Encodings on proxied
requests
* uploads that encounter blocks will use 100% cpu as
detection of these flow control issue is not working
(we have not figured out to pry that from OpenSSL).

Closes #12734

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http3/ngtcp2: shorten handshake, trace cleanup

- shorten handshake timing by delayed x509 store load (OpenSSL)
as we do for HTTP/2
- cleanup of trace output, align with HTTP/2 outp

http3/ngtcp2: shorten handshake, trace cleanup

- shorten handshake timing by delayed x509 store load (OpenSSL)
as we do for HTTP/2
- cleanup of trace output, align with HTTP/2 output

Closes #11609

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http2: support HTTP/2 to forward proxies, non-tunneling

- with `--proxy-http2` allow h2 ALPN negotiation to
forward proxies
- applies to http: requests against a https: proxy only,

http2: support HTTP/2 to forward proxies, non-tunneling

- with `--proxy-http2` allow h2 ALPN negotiation to
forward proxies
- applies to http: requests against a https: proxy only,
as https: requests will auto-tunnel
- adding a HTTP/1 request parser in http1.c
- removed h2h3.c
- using new request parser in nghttp2 and all h3 backends
- adding test 2603 for request parser
- adding h2 proxy test cases to test_10_*

scorecard.py: request scoring accidentally always run curl
with '-v'. Removed that, expect double numbers.

labeller: added http1.* and h2-proxy sources to detection

Closes #10967

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proxy: http2 proxy tunnel implementation

- currently only on debug build and when env variable
CURL_PROXY_TUNNEL_H2 is present.
- will ALPN negotiate with the proxy server and swit

proxy: http2 proxy tunnel implementation

- currently only on debug build and when env variable
CURL_PROXY_TUNNEL_H2 is present.
- will ALPN negotiate with the proxy server and switch
tunnel filter based on the protocol negotiated.
- http/1.1 tunnel code moved into cf-h1-proxy.[ch]
- http/2 tunnel code implemented in cf-h2-proxy.[ch]
- tunnel start and ALPN set remains in http_proxy.c
- moving all haproxy related code into cf-haproxy.[ch]

VTLS changes
- SSL filters rely solely on the "alpn" specification they
are created with and no longer check conn->bits.tls_enable_alpn.
- checks on which ALPN specification to use (or none at all) are
done in vtls.c when creating the filter.

Testing
- added a nghttpx forward proxy to the pytest setup that
speaks HTTP/2 and forwards all requests to the Apache httpd
forward proxy server.
- extending test coverage in test_10 cases
- adding proxy tests for direct/tunnel h1/h2 use of basic auth.
- adding test for http/1.1 and h2 proxy tunneling to pytest

Closes #10780

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vtls and h2 improvements

- eliminate receive loop in vtls to fill buffer. This may
lead to partial reads of data which is counter productive
- let http2 instead loop smarter to pro

vtls and h2 improvements

- eliminate receive loop in vtls to fill buffer. This may
lead to partial reads of data which is counter productive
- let http2 instead loop smarter to process pending network
data without transfer switches

scorecard improvements
- do not start caddy when only httpd is requested
- allow curl -v to stderr file on --curl-verbose

Closes #10891

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http2: flow control and buffer improvements

- use bufq for send/receive of network data
- usd bufq for send/receive of stream data
- use HTTP/2 flow control with no-auto updates to c

http2: flow control and buffer improvements

- use bufq for send/receive of network data
- usd bufq for send/receive of stream data
- use HTTP/2 flow control with no-auto updates to control the
amount of data we are buffering for a stream
HTTP/2 stream window set to 128K after local tests, defined
code constant for now
- elminiating PAUSEing nghttp2 processing when receiving data
since a stream can now take in all DATA nghttp2 forwards

Improved scorecard and adjuste http2 stream window sizes
- scorecard improved output formatting and options default
- scorecard now also benchmarks small requests / second

Closes #10771

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pytest: improvements for suitable curl and error output

- will check built curl for http and https support and
skip all tests if not there
- will dump stdout/stderr/trace output on

pytest: improvements for suitable curl and error output

- will check built curl for http and https support and
skip all tests if not there
- will dump stdout/stderr/trace output on errored responses

Closes #10829

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tests/http: add timeout to running curl in test cases

- we had a CI case once where `curl` seemingly did not
return and it was hard to guess what happened.
- make curl execution in

tests/http: add timeout to running curl in test cases

- we had a CI case once where `curl` seemingly did not
return and it was hard to guess what happened.
- make curl execution in test cases time out after 60 seconds

Closes #10783

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tests/http: do not save files for downloads in scorecard testing

Closes #10788

tests/http: remove year ranges from copyrights

Closes #10763

tests: rename tests/tests-httpd to tests/http

- httpd is only one server we test with
- the suite coveres the HTTP protocol in general where
the default test cases need a more b

tests: rename tests/tests-httpd to tests/http

- httpd is only one server we test with
- the suite coveres the HTTP protocol in general where
the default test cases need a more beefy environment

Closes #10654

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