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