/
log_handler.cr
43 lines (34 loc) · 1019 Bytes
/
log_handler.cr
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require "log"
# A handler that logs the request method, resource, status code, and
# the time used to execute the next handler
class HTTP::LogHandler
include HTTP::Handler
def initialize(@log = Log.for("http.server"))
end
def call(context) : Nil
start = Time.monotonic
begin
call_next(context)
ensure
elapsed = Time.monotonic - start
elapsed_text = elapsed_text(elapsed)
req = context.request
res = context.response
addr =
case remote_address = req.remote_address
when nil
"-"
when Socket::IPAddress
remote_address.address
else
remote_address
end
@log.info { "#{addr} - #{req.method} #{req.resource} #{req.version} - #{res.status_code} (#{elapsed_text})" }
end
end
private def elapsed_text(elapsed)
minutes = elapsed.total_minutes
return "#{minutes.round(2)}m" if minutes >= 1
"#{elapsed.total_seconds.humanize(precision: 2, significant: false)}s"
end
end