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17 lines
594 B
Haskell
17 lines
594 B
Haskell
module Algo.MaxRate where
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import Types
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import Heap
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import Algo.Common
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createHeap :: [Time] -> Heap Unit
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createHeap [] = Nil
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createHeap (t:ts) = insert (Unit (1 / (fromIntegral t)) t 1 0) $ createHeap ts -- we use speed as metric
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updateHeap :: HeapUpdateFunc
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updateHeap start_t fin_t (h, nh) = if (div start_t Types.packet_t /= div fin_t Types.packet_t) then
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let inc_rem x = x {rem_p = rem_p x + 1}
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restore x h = insert (x {rem_p = 1}) h in
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(foldr restore (fmap inc_rem h) nh, emptyHeap) -- "bring back" clients without available packets every 20ms
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else (h, nh)
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