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Contents
require 'date'
module RubySMB
module Field
# Represents a Windows FILETIME structure as defined in
# [FILETIME structure](https://msdn.microsoft.com/en-us/library/windows/desktop/ms724284(v=vs.85).aspx)
class FileTime < BinData::Primitive
# Difference between the Windows and Unix epochs, in 100ns intervals
EPOCH_DIFF_100NS = 116_444_736_000_000_000
NS_MULTIPLIER = 10_000_000
endian :little
uint64 :val
# Gets the value of the field
#
# @return [BinData::Bit64] the 64-bit value of the field
def get
val
end
# Sets the value of the field from a DateTime,Time,Fixnum, or object
# that can be converted to an integer. Datetime and Time objects get
# converted to account for the Windows/Unix Epoch difference. Any other
# parameter passed in will be assumed to already be correct.
#
# @param value [DateTime,Time,Fixnum,#to_i] the value to set
# @return
def set(value)
case value
when DateTime
set(value.to_time)
when Time
time_int = value.to_i
time_int *= NS_MULTIPLIER
adjusted_epoch = time_int + EPOCH_DIFF_100NS
set(adjusted_epoch)
when Integer
self.val = value
else
self.val = value.to_i
end
val
end
# Returns the value of the field as a {DateTime}
#
# @return [DateTime] the {DateTime} representation of the current value
def to_datetime
time = to_time
time.to_datetime
end
# Returns the value of the field as a {Time}
#
# @return [Time] the {Time} representation of the current value
def to_time
windows_int = val
adjusted_epoch = windows_int - EPOCH_DIFF_100NS
unix_int = adjusted_epoch / NS_MULTIPLIER
Time.at unix_int
end
end
end
end
Version data entries
26 entries across 26 versions & 1 rubygems