21 lines
645 B
Ruby
21 lines
645 B
Ruby
# frozen_string_literal: true
|
|
|
|
##
|
|
# Only used for chunks where the sequence number does not match the expected value
|
|
# to decide wether to drop known chunks silently or request resend if something got lost
|
|
#
|
|
# true - if the sequence number is already known and the chunk should be dropped
|
|
# false - if the sequence number is off and we need to request a resend of lost chunks
|
|
#
|
|
# @return [Boolean]
|
|
def seq_in_backroom?(seq, ack)
|
|
bottom = ack - (NET_MAX_SEQUENCE / 2)
|
|
if bottom.negative?
|
|
return true if seq <= ack
|
|
return true if seq >= (bottom + NET_MAX_SEQUENCE)
|
|
elsif seq <= ack && seq >= bottom
|
|
return true
|
|
end
|
|
false
|
|
end
|