Class: DCase::Server

Inherits:
Object
  • Object
show all
Includes:
Celluloid::IO
Defined in:
lib/dcase/server.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(host, crypto, config) ⇒ Server

Returns a new instance of Server.



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# File 'lib/dcase/server.rb', line 8

def initialize(host, crypto, config)
  @config = config

  @server = UDPSocket.new
  @server.to_io.setsockopt(:SOCKET, :REUSEADDR, 1)
  @server.bind(host, @config.port)

  @crypto = crypto

  async.run
end

Instance Attribute Details

#crypto ⇒ Object

Returns the value of attribute crypto.



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# File 'lib/dcase/server.rb', line 6

def crypto
  @crypto
end

Instance Method Details

#finalize ⇒ Object 



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# File 'lib/dcase/server.rb', line 20

def finalize
  @server.close unless @server.closed?
end

#handle_data(data, port, addr) ⇒ Object 



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# File 'lib/dcase/server.rb', line 31

def handle_data(data, port, addr)
  request = UDPSocket.new
  request.send crypto.decrypt(data), 0, @config.dns_list.sample, 53

  async.start_connect(request, port, addr)
end

#run ⇒ Object 



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# File 'lib/dcase/server.rb', line 24

def run
  loop do
    data, (_, port, addr) = @server.recvfrom(16384)
    handle_data(data, port, addr)
  end
end

#start_connect(request, port, addr) ⇒ Object 



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# File 'lib/dcase/server.rb', line 38

def start_connect(request, port, addr)
  data, (_, _port, _addr) = request.recvfrom(16384)
  @server.send crypto.encrypt(data), 0, addr, port
  request.close unless request.closed?
end