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Don't clutter up our RDoc/website with things that users
of Unicorn don't need to see. This should make user-relevant
documentation easier to find, especially since Unicorn is
NOT intended to be an API.
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They needlessly allocate Proc objects
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We've started using magic comments to ensure any strings we
create are binary instead. Additionally, ensure we create any
StringIO objects with an explicit string (which default to
binary) to ensure the StringIO object is binary. This is
because StringIO.new (with no arguments) will always use the
process-wide default encoding since it does not know about
magic comments (and couldn't, really...)
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This ensures any string literals that pop up in *our* code will
just be a bag of bytes. This shouldn't affect/fix/break
existing apps in most cases, but most constants will always have
the "correct" encoding (none!) to be consistent with HTTP/socket
expectations. Since this comment affects things only on a
per-source basis, it won't affect existing apps with the
exception of strings we pass to the Rack application.
This will eventually allow us to get rid of that Unicorn::Z
constant, too.
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Since Rack permits body objects to have #close called on
them, we can safely close our pipe readers immediately
instead of waiting on the GC to close them (like we do for
TeeInput tempfiles).
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There's a small memory reduction to be had when forking
oodles of processes and the Perl hacker in me still
gets confused into thinking those are arrays...
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This change gives applications full control to deny clients
from uploading unwanted message bodies. This also paves the
way for doing things like upload progress notification within
applications in a Rack::Lint-compatible manner.
Since we don't support HTTP keepalive, so we have more freedom
here by being able to close TCP connections and deny clients the
ability to write to us (and thus wasting our bandwidth).
While I could've left this feature off by default indefinitely
for maximum backwards compatibility (for arguably broken
applications), Unicorn is not and has never been about
supporting the lowest common denominator.
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This gives the app ability to deny clients with 417 instead of
blindly making the decision for the underlying application. Of
course, apps must be made aware of this.
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This has been totally broken since
commit b0013b043a15d77d810d5965157766c1af364db2
"Avoid duplicating the "Z" constant"
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Trying not to repeat ourselves. Unfortunately, Ruby 1.9 forces
us to actually care about encodings of arbitrary byte sequences.
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Just clarifying the license terms of the new code. Other files
should really have this notice in there as well.
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This includes an example of tunneling the git protocol inside a
TE:chunked HTTP request. The example is unfortunately contrived
in that it relies on the custom examples/cat-chunk-proxy.rb
script in the client. My initial wish was to have a generic
tool like curl(1) operate like this:
cat > ~/bin/cat-chunk-proxy.sh <<EOF
#!/bin/sh
exec curl -sfNT- http://$1:$2/
EOF
chmod +x ~/bin/cat-chunk-proxy.sh
GIT_PROXY_COMMAND=cat-chunk-proxy.sh git clone git://0:8080/foo
Unfortunately, curl will attempt a blocking read on stdin before
reading the TCP socket; causing the git-clone consumer to
starve. This does not appear to be a problem with the new
server code for handling chunked requests.
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