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The formatted date is generated and kept up to date regularly
by a gen_server process storing it in the cowboy_clock ets table.
Then it is retrieved by other processes simply by reading the table.
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Limits the number of parallel requests processed at once.
Waiting requests are kept in the accept queue.
The limit is not explicitly observed, but it should be
around the given value at any time. Defaults to 1024.
Thanks to ostinelli's benchmark to point out the issue hopefully
solved by this and the previous commit.
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Improves reliability under heavy load.
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The dispatcher now accepts '...' as the leading segment of Host and the
trailing segment of Path, this special atom matches any remaining path tail.
When given "cowboy.bugs.dev-extend.eu", host rule ['...', <<"dev-extend">>,
<<"eu">>] matches and fills host_info with [<<"cowboy">>, <<"bugs">>].
When given "/a/b/c/d", path rule [<<"a">>, <<"b">>, '...'] matches and fills
path_info with [<<"c">>, <<"d">>].
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Send the status line and headers using
cowboy_http_req:chunked_reply/3, and
individual chunks with cowboy_http_req:chunk/2.
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Forward me any more questions and I'll continue on improving it.
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The previous commit switching to raw recv + erlang:decode_packet/3
works around the OTP bug regarding headers size in http recv.
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The server now does a single recv (or more, but only if needed)
which is then sent to erlang:decode_packet/3 multiple times. Since
most requests are smaller than the default MTU on many platforms,
we benefit from this greatly.
In the case of requests with a body, the server usually read at
least part of the body on the first recv. This is bufferized
properly and used when later retrieving the body.
In the case of pipelined requests, we can end up reading many
requests in a single recv, which are then handled properly using
only the buffer containing the received data.
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Returns the port given in the Host header if present,
otherwise the default port of 443 for HTTPS and 80 for HTTP
is returned.
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Cowboy top supervisor has a name and it should be clearly stated in its
.app.src file.
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README: added a mentioning of agner dependencies mechanism
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Use syntax highlighted code block in README.md
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This fixes issues with the http_load benchmark tool. The default backlog
option from OTP only queues up to 5 connections, which is way too low for
a fast-responding server.
Issue initially found thanks to DeadZen bugging me to test cowboy with
http_load. Fix found thanks to ostinelli's misultin already having the
backlog option which was the one thing it did differently than cowboy.
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GitHub just implemented that and we should use it.
https://github.com/blog/832-rolling-out-the-redcarpet
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Should fix the warnings given by the Dialyzer-current build
over at http://dialyzer.softlab.ntua.gr/current/cowboy/
Thanks Kostis for the help.
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The type isn't exported by OTP so we don't win much.
Also, inet.erl and file.erl define posix() différently,
so OTP needs to stop being so confuse in the first place
before we can attempt to use it properly.
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Basically:
cat /dev/urandom | nc host port
Only run this test if cat and nc are available.
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Thought it was already there, but I guess not. Anyway it's here now
so everything is back to normal. ;)
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Body is iodata(), not iolist().
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Now the server defines default headers that can be overwritten by the
handler simply by passing them to the reply/4 function. Default headers
include, for now, Connection and Content-Length headers. Note that it isn't
enough to change the Connection header to close a keep-alive connection
server-side.
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Added it while debugging an issue, so why not keep it?
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That way we can support active mode without having to hardcode the atoms
for each transports available.
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