Class: Pcapz::Capture::Linux

Inherits:
Object
  • Object
show all
Defined in:
lib/pcapz/capture_types/linux.rb

Instance Method Summary collapse

Constructor Details

#initialize(interface = Interfacez.default) ⇒ Linux

Returns a new instance of Linux.



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# File 'lib/pcapz/capture_types/linux.rb', line 4

def initialize(interface = Interfacez.default)
  @interface   = interface
  @buffer_size = 0
  @file        = nil
  configure_socket
end

Instance Method Details

#file ⇒ Object 



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# File 'lib/pcapz/capture_types/linux.rb', line 26

def file
  @file
end

#next_packet ⇒ Object 



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# File 'lib/pcapz/capture_types/linux.rb', line 17

def next_packet
  @file.recvfrom_nonblock(@buffer_size)[0]
rescue IO::WaitReadable
  IO.select([@file])
  retry
rescue Interrupt
  exit
end

#packets ⇒ Object 



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# File 'lib/pcapz/capture_types/linux.rb', line 11

def packets
  until @file.closed?
    yield next_packet
  end
end

#stop! ⇒ Object 



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# File 'lib/pcapz/capture_types/linux.rb', line 30

def stop!
  return nil if stopped?
  @file.close
  stopped?
end

#stopped? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pcapz/capture_types/linux.rb', line 36

def stopped?
  @file.closed?
end