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* Use a frozen empty array and a class variable for TCP_Info to avoid
garbage. As far as I can tell, this shouldn't result in any garbage on
any requests (other than on the first request).
* Pass listener socket to #read to only check the client connection on
a TCP server.
* Short circuit CLOSE_WAIT after ESTABLISHED since in my testing it's
the most common state after ESTABLISHED, it makes the numbers
un-ordered, though. But comment should make it OK.
* Definition of of `check_client_connection` based on whether
Raindrops::TCP_Info is defined, instead of the class variable
approach.
* Changed the unit tests to pass a `nil` listener.
Tested on our staging environment, and still works like a dream.
I should note that I got the idea between this patch into Puma as well!
https://github.com/puma/puma/pull/1227
[ew: squashed in temporary change for oob_gc.rb, but we'll come
up with a different change to avoid breaking gctools
<https://github.com/tmm1/gctools>]
Acked-by: Eric Wong <e@80x24.org>
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This fixes a bug introduced in
commit fe83ead4eae6f011fa15f506cd80cb4256813a92
(GNUmakefile: fix clean gem build + reduce build cruft)
which broke clean Ruby installations without an existing
unicorn gem installed :x
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There is currently no GPLv4, so this change has no effect at the
moment.
In case the GPLv4 arrives and I am not alive to approve/review it,
the lesser of evils is have give blanket approval of all future GPL
versions (as published by the FSF). The worse evil is to be stuck
with a license which cannot guarantee the Free-ness of this project
in the future.
This unfortunately means the FSF can theoretically come out with
license terms I do not agree with, but the GPLv2 and GPLv3 will
always be an option to all users.
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assert_nothing_raised ends up hiding errors and backtraces,
making things harder to debug. Since Test::Unit already
fails on uncaught exceptions, there is no need to assert
on the lack of exceptions for a successful test run.
This is a followup to commit 5acf5522295c947d3118926d1a1077007f615de9
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Existing license terms (Ruby-specific) and GPLv2 remain
in place, but GPLv3 is preferred as it helps with
distribution of AGPLv3 code and is explicitly compatible
with Apache License (v2.0).
Many more reasons are documented by the FSF:
https://www.gnu.org/licenses/quick-guide-gplv3.html
http://gplv3.fsf.org/rms-why.html
ref: http://thread.gmane.org/gmane.comp.lang.ruby.unicorn.general/933
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for i in `git ls-files '*.rb'`; do ruby -w -c $i; done
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This provides the kgio_read! method which is like readpartial,
only significantly cheaper when a client disconnects on us.
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TeeInput methods may be invoked deep in the stack, so
avoid giving them more work to do if a client disconnects
due to a bad upload.
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This should hopefully make the non-blocking accept()
situation more tolerable under Ruby 1.9.2.
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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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Rack is autoload-based and so are we.
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This makes a noticeable difference on light GET/HEAD requests.
Heck, even the tests run a few seconds faster.
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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 adds support for handling POST/PUT request bodies sent with
chunked transfer encodings ("Transfer-Encoding: chunked").
Attention has been paid to ensure that a client cannot OOM us by
sending an extremely large chunk.
This implementation is pure Ruby as the Ragel-based
implementation in rfuzz didn't offer a streaming interface. It
should be reasonably close to RFC-compliant but please test it
in an attempt to break it.
The more interesting part is the ability to stream data to the
hosted Rack application as it is being transferred to the
server. This can be done regardless if the input is chunked or
not, enabling the streaming of POST/PUT bodies can allow the
hosted Rack application to process input as it receives it. See
examples/echo.ru for an example echo server over HTTP.
Enabling streaming also allows Rack applications to support
upload progress monitoring previously supported by Mongrel
handlers.
Since Rack specifies that the input needs to be rewindable, this
input is written to a temporary file (a la tee(1)) as it is
streamed to the application the first time. Subsequent rewinded
reads will read from the temporary file instead of the socket.
Streaming input to the application is disabled by default since
applications may not necessarily read the entire input body
before returning. Since this is a completely new feature we've
never seen in any Ruby HTTP application server before, we're
taking the safe route by leaving it disabled by default.
Enabling this can only be done globally by changing the
Unicorn HttpRequest::DEFAULTS hash:
Unicorn::HttpRequest::DEFAULTS["unicorn.stream_input"] = true
Similarly, a Rack application can check if streaming input
is enabled by checking the value of the "unicorn.stream_input"
key in the environment hashed passed to it.
All of this code has only been lightly tested and test coverage
is lacking at the moment.
[1] - http://tools.ietf.org/html/rfc2616#section-3.6.1
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These potentially leaves an open file handle around until the
next request hits the process, but this makes the common case
faster.
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readpartial is actually as low-level as sysread is,
except it's less likely to throw exceptions and
won't change the blocking/non-blocking status of
a file descriptor (we explicitly enable blocking I/O)
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This removes the #unicorn_peeraddr methods from TCPSocket and
UNIXSocket core classes. Instead, just move that logic into the
only place it needs to be used in HttpRequest.
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It's part of the HTTP/1.1 (rfc2616), so we might as well
handle it in there and set PATH_INFO while we're at it.
Also, make "OPTIONS *" test not fail Rack::Lint
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Avoid using strcmp() since it could break badly if
Ruby ever stopped null-terminating strings C-style.
We're also freezing "http" as a global. Rack does not
explicitly permit nor deny this, and Mongrel has always
used frozen strings as hash values in other places.
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Pass "https" to "rack.url_scheme" if the X-Forwarded-Proto
header matches "https". X-Forwarded-Proto is a semi-standard
header that Ruby frameworks seem to respect; so we use that.
We won't support ENV['HTTPS'] since that can only be set at
start time and some app servers supporting https also support
http.
Currently, "rack.url_scheme" only allows "http" and "https",
so we won't set anything else to avoid breaking Rack::Lint.
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* Test for '*' in "OPTIONS * HTTP/1.1" for now (even though
Rack doesn't like it).
* Some clients can send absolute URIs, too
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"HTTP_BODY" could conflict with a "Body:" HTTP header if there
ever is one. Also, try to hide this body from the Rack
environment before @app is called since it is only used by
Unicorn internally.
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This test requires Rack to be loaded and will not
run without it. This also seems broken on 1.9 still
with Rack 0.9.1...
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