29 lines
817 B
Crystal
29 lines
817 B
Crystal
module Kemal
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# Uses `STDOUT` by default and handles the logging of request/response process time.
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class LogHandler < Kemal::BaseLogHandler
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def initialize(@io : IO = STDOUT)
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end
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def call(context : HTTP::Server::Context)
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elapsed_time = Time.measure { call_next(context) }
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elapsed_text = elapsed_text(elapsed_time)
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@io << Time.utc << ' ' << context.response.status_code << ' ' << context.request.method << ' ' << context.request.resource << ' ' << elapsed_text << '\n'
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@io.flush
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context
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end
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def write(message : String)
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@io << message
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@io.flush
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@io
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end
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private def elapsed_text(elapsed)
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millis = elapsed.total_milliseconds
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return "#{millis.round(2)}ms" if millis >= 1
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"#{(millis * 1000).round(2)}µs"
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end
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end
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end
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