# ------------------------------------------------------------------
# pdudrill.rb	Print all fields in a PDU (drilldown)
#	usage : pdudrill <capture-file> <pduid> 
#
#
# ------------------------------------------------------------------
require 'win32ole'

USAGE = "pdudrill <capture-filename> <pdu-id>"


# function printField
#	Formats and prints a field (also subfields if present)
#
def printField(indent, field)
	pad = "  "*indent
	print pad
	print "#{field.Name}\t\t #{field.Value} \n" 
	
	if field.SubFieldCount > 0 
		field.SubFields.each { |f| printField(indent+2, f) }
	end
end


if ARGV.length != 2
	puts USAGE
	exit 1
end

InputFile = ARGV[0]
PduID     = ARGV[1]
UnsniffDB = WIN32OLE.new("Unsniff.Database")
UnsniffDB.Open(InputFile)


PDU = UnsniffDB.PDUIndex(PduID)
PDU.Fields.each { |field| printField(1,field) }

UnsniffDB.Close()