74 lines
1.4 KiB
Ruby
74 lines
1.4 KiB
Ruby
#!/usr/bin/env ruby
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require 'socket'
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require 'webrick'
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require 'json'
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TIMEOUT = 60
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last_purge = Time.now.to_i
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data = {}
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Thread.new do
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server = WEBrick::HTTPServer.new :Port => 8080
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server.mount_proc "/data.json" do |req, res|
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res.status = 200
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res['Content-Type'] = 'application/json'
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res.body = data.values.to_json
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end
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server.start
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end
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sock = TCPSocket.new "radiobert.serv.zentralwerk.org", 30003
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while line = sock.gets
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begin
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fields = line.chomp.split(/,/)
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msg_type = fields[1]
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hex = fields[4].downcase
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values = {
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:hex => hex,
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:last => Time.now.to_i
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}
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case msg_type
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when "1"
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values[:flight] = fields[10]
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when "3"
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unless fields[14].empty? or fields[15].empty?
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values[:lat] = fields[14].to_f
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values[:lon] = fields[15].to_f
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end
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unless fields[11].empty?
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values[:altitude] = fields[11].to_i
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end
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when "4"
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unless fields[12].empty?
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values[:speed] = fields[12].to_i
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end
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unless fields[13].empty?
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values[:track] = fields[13].to_i
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end
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end
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old_value = data[hex]
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if old_value
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old_value.merge! values
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else
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data[hex] = values
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end
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now = Time.now.to_i
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if now >= last_purge + TIMEOUT / 10
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data.delete_if { |hex, values|
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now >= values[:last] + TIMEOUT
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}
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last_purge = now
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end
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rescue
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STDERR.puts $!
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end
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end
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