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Preventing needless duplication since Rack already has these
codes for us. Also, put the status codes in HttpResponse since
nothing else needs (or should need) them.
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Avoid creating garbage every time we lookup the status code
along with the message. Also, we can use global const arrays
for a little extra performance because we only write one-at-a
time
Looking at MRI 1.8, Array#join with an empty string argument is
slightly better because it skips an append for every iteration.
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It was just a waste of space and would've caused line wrapping.
This reinstates the "unicorn" prefix when we create tempfiles,
too.
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We never use it anywhere explicitly for hash lookups
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Trailing whitespace glows *RED* every time I open
this file to edit a constant and that annoys me.
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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 reworks error handling throughout the entire stack to be
more Ruby-ish. Exceptions are raised instead of forcing the
us to check return values.
If a client is sending us a bad request, we send a 400.
If unicorn or app breaks in an unexpected way, we'll
send a 500.
Both of these last-resort error responses are sent using
IO#write_nonblock to avoid tying Unicorn up longer than
necessary and all exceptions raised are ignored.
Sending a valid HTTP response back should reduce the chance of
us from being marked as down or broken by a load balancer.
Previously, some load balancers would mark us as down if we close
a socket without sending back a valid response; so make a best
effort to send one. If for some reason we cannot write a valid
response, we're still susceptible to being marked as down.
A successful HttpResponse.write() call will now close the socket
immediately (instead of doing it higher up the stack). This
ensures the errors will never get written to the socket on a
successful response.
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* commit 'v0.2.3':
unicorn 0.2.3
Ensure Tempfiles are unlinked after every request
Don't bother unlinking UNIX sockets
Conflicts:
lib/unicorn/socket.rb
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Ensure constants are used as hash keys and cleanup unused
constants. This gives a 10-15% improvement with
test/benchmark/request.rb
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This will make setting some of this easier to deal
with in the executable.
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Just stuff what little logic we had for it into HttpResponse
since Rack takes care of the rest for us.
Put the HTTP_STATUS_HEADERS hash in HttpResponse since we're the
only user of it. Also, change HttpResponse.send to
HttpResponse.write to avoid overriding the default method.
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It's pointless...
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The previous API was very flexible, but I don't think many
people really cared for it... We now repeatedly use the
same HeaderOut in each process since I completely don't
care for multithreading.
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Regenerating headers constantly is a waste of time.
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It's more GC-friendly to just use an array than to repeatedly
append short strings on top of each other. I also find StringIO
confusing...
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Avoid conflicting with existing Mongrel libraries since
we'll be incompatible and break things w/o disrupting
Mongrel installations.
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