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Bound log functions
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lib/trinity/sim_logger.ex
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lib/trinity/sim_logger.ex
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@spec log_head(non_neg_integer) :: [String.t]
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def log_head(count) do
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%{log_atomic: log_atomic} = get_sim()
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last_i = :atomics.get(log_atomic, 2)
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count = min(last_i, count)
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scan_log(1, count)
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end
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···
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def log_tail(count) do
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%{log_atomic: log_atomic} = get_sim()
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last_i = :atomics.get(log_atomic, 2)
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count = min(last_i, count)
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scan_log(last_i - count, count)
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end
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@spec scan_log(non_neg_integer, non_neg_integer) :: [String.t]
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def scan_log(i, count) do
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%{log: log} = get_sim()
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%{log: log, log_atomic: log_atomic} = get_sim()
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last_i = :atomics.get(log_atomic, 2)
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count = min(last_i - i, count)
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do_scan_log(log, i + count, count, [])
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end
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