Class: FFI::PCap::CaptureWrapper

Inherits:
Object
  • Object
show all
Defined in:
lib/diy/ext/capture_wrapper.rb

Instance Method Summary collapse

Instance Method Details

#dispatch(opts = {}, &block) ⇒ Object

Fix bug: dispatch but call pcap_loop



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# File 'lib/diy/ext/capture_wrapper.rb', line 13

def dispatch(opts={}, &block)
  cnt = opts[:count] || -1 # default to infinite loop
  h = opts[:handler]

  ret = FFI::PCap.pcap_dispatch(_pcap, cnt, _wrap_callback(h, block),nil)
  if ret == -1
    raise(ReadError, "pcap_dispatch(): #{geterr()}")
  elsif ret -2
    return nil
  elsif ret > -1
    return ret
  else
    raise(ReadError, "unexpected return from pcap_dispatch() -> #{ret}")
  end
end