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| | # SHA1 checksum generator
require 'digest/sha1'
use Rack::ContentLength
cap = 16384
app = lambda do |env|
/\A100-continue\z/i =~ env['HTTP_EXPECT'] and
return [ 100, {}, [] ]
digest = Digest::SHA1.new
input = env['rack.input']
case env["PATH_INFO"]
when "/gets_read_mix"
warn "GETS_READ_MIX #{env['HTTP_TRANSFER_ENCODING'].inspect}"
if buf = input.gets
warn "input.rbuf: #{input.instance_variable_get(:@rbuf).inspect}"
begin
digest.update(buf)
warn "buf.size : #{buf.size}"
end while input.read(rand(cap), buf)
end
when "/each"
input.each { |chunk| digest.update(chunk) }
else
if buf = input.read(rand(cap))
begin
raise "#{buf.size} > #{cap}" if buf.size > cap
digest.update(buf)
end while input.read(rand(cap), buf)
end
end
[ 200, {'Content-Type' => 'text/plain'}, [ digest.hexdigest << "\n" ] ]
end
run app
|