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Feature #14275 ยป net-http-readbody.rb

normalperson (Eric Wong), 01/03/2018 01:52 AM

 
require 'net/http'
require 'digest/md5'
Thread.abort_on_exception = true
s = TCPServer.new('127.0.0.1', 0)
len = 1024 * 1024 * 1024 * 1
th = Thread.new do
c = s.accept
c.readpartial(16384).clear
c.write("HTTP/1.0 200 OK\r\nContent-Length: #{len}\r\n\r\n")
IO.copy_stream('/dev/zero', c, len)
c.close
end

addr = s.addr
Net::HTTP.start(addr[3], addr[1]) do |http|
http.request_get('/') do |res|
dig = Digest::MD5.new
res.read_body { |buf|
dig.update(buf)
# memory use nearly increases 10x without String#clear,
# maybe GC could be more aggressive?
# buf.clear
}
puts dig.hexdigest
end
end
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