def serve
catch(:exit_serve) {
header = {}
@ap.headers_in.each {|key, value| header[key.capitalize] = value}
length = header['Content-length'].to_i
http_error(405, "Method Not Allowed") unless @ap.request_method == "POST"
http_error(400, "Bad Request") unless parse_content_type(header['Content-type']).first == "text/xml"
http_error(411, "Length Required") unless length > 0
@ap.binmode
data = @ap.read(length)
http_error(400, "Bad Request") if data.nil? or data.size != length
http_write(process(data), 200, "Content-type" => "text/xml; charset=utf-8")
}
end