module Excon

  CR_NL = "\r\n"

  DEFAULT_CA_FILE = File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "data", "cacert.pem"))

  DEFAULT_CHUNK_SIZE = 1048576 # 1 megabyte

  # avoid overwrite if somebody has redefined
  unless const_defined?(:CHUNK_SIZE)
    CHUNK_SIZE = DEFAULT_CHUNK_SIZE
  end

  DEFAULT_NONBLOCK = OpenSSL::SSL::SSLSocket.public_method_defined?(:connect_nonblock) &&
    OpenSSL::SSL::SSLSocket.public_method_defined?(:read_nonblock) &&
    OpenSSL::SSL::SSLSocket.public_method_defined?(:write_nonblock)

  DEFAULT_RETRY_LIMIT = 4

  FORCE_ENC = CR_NL.respond_to?(:force_encoding)

  HTTP_1_1 = " HTTP/1.1\r\n"

  HTTP_VERBS = %w{connect delete get head options post put trace patch}

  HTTPS = 'https'

  NO_ENTITY = [204, 205, 304].freeze

  REDACTED = 'REDACTED'

  VERSION = '0.18.2'

  unless ::IO.const_defined?(:WaitReadable)
    class ::IO
      module WaitReadable; end
    end
  end

  unless ::IO.const_defined?(:WaitWritable)
    class ::IO
      module WaitWritable; end
    end
  end

end