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executable file 78 lines (62 sloc) 2.698 kB
#!/usr/bin/env ruby
require "pp"
require "logging"
require "digest/md5"
require "parallel"
require "dnsruby"
require "benchmark"
require "progressbar"
include Dnsruby
class Std
attr_accessor :file_name, :file_start, :file_end, :file_md5, :part_list
def initialize(nameserver='199.193.245.49', domain='sendtodns.org')
@nameserver, @domain = nameserver, domain
end
def lookup(file_key)
file_query_domain = "fileid.#{file_key}.#{@domain}"
file_info = Dnsruby::Resolver.new({:nameserver=>@nameserver, :use_tcp=>true, :query_timeout=>300}).query(file_query_domain, Dnsruby::Types.TXT).answer[0].data
# pp file_info
# "[fileid.fcynuv.sendtodns.org.\t14400\tIN\tTXT\t\"asterisk-1.8.9.0.tar.gz,fcynuv.001,fcynuv.024,9f0e369aa29437d559368bd385cec718\"]"
self.file_name = file_info.split(',')[0]
self.file_start = file_info.split(',')[1].split('.')[1].to_i
self.file_end = file_info.split(',')[2].split('.')[1].to_i
self.file_md5 = file_info.split(',')[3]
self.part_list = Hash.new
file_end.times do |i|
i += 1
part_query_domain = "fileid.#{file_key}.%03d.#{@domain}" % i
part_info = Dnsruby::Resolver.new({:nameserver=>@nameserver, :use_tcp=>true, :query_timeout=>300}).query(part_query_domain, Dnsruby::Types.TXT).answer[0].data
part_count = part_info.split(",")[1].to_i
part_md5sum = part_info.split(",")[2][0...-1].to_s
self.part_list[part_query_domain] = [part_count, part_md5sum]
# @logger.debug "#{partfileinfodomain}, #{part}, #{partcount}, #{md5sum}, #{partdomainlist}"
end
end
def receive(file_key, processes=30)
part = ""
i = 0
self.lookup(file_key)
Parallel.each(self.part_list, :in_processes => processes) do |k,v|
puts "#{k}, #{v}"
part_number = k.split(".")[2].to_s
part_count = v[0]
part_md5sum = v[1]
until i == part_count + 1 do
part_query_domain = "#{i}.#{k.split(".")[1..-1].join(".")}"
part_info = Dnsruby::Resolver.new({:nameserver=>@nameserver, :use_tcp=>true, :query_timeout=>300}).query(part_query_domain, Dnsruby::Types.TXT).answer.to_s
part_cut = part_info.to_s.index("\t\"") + 2
part << part_info.to_s.slice(part_cut..-3).to_s.gsub('" "', "\n") + "\n"
i += 1
end
file_part = File.new("#{file_key}.get.#{k.split(".")[2].to_s}", "w")
file_part.write(part.split("\n").sort_by { |key| key.split(/(\d+)/).map { |v| v =~ /\d/ ? v.to_i : v } }.join("\n").to_s.gsub(/^\d+\s+/, "").to_s)
file_part.close
file = ""
i = 0
end
end
end
waa = Std.new
waa.receive("fcynuv", 15)
# pp waa.lookup("fcynuv")
puts "Done"
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