class Rack::LtsvLogger
Constants
- DEFAULT_PARAMS_PROC
Public Class Methods
extract_content_length(headers)
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# File lib/rack/ltsv_logger.rb, line 40 def self.extract_content_length(headers) value = headers && headers['Content-Length'] or return '-' value.to_s == '0' ? '-' : value end
extract_status(status)
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# File lib/rack/ltsv_logger.rb, line 45 def self.extract_status(status) status.nil? ? "500" : status.to_s[0..2] end
new(app, io = nil, **kwargs)
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# File lib/rack/ltsv_logger.rb, line 24 def initialize(app, io = nil, **kwargs) @app = app @io = io || $stdout @params_proc = kwargs[:params_proc] || DEFAULT_PARAMS_PROC @appends = kwargs.tap {|h| h.delete(:params_proc) } # old version compatibility end
Public Instance Methods
call(env)
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# File lib/rack/ltsv_logger.rb, line 31 def call(env) began_at = Time.now.instance_eval { to_i + (usec/1000000.0) } status, headers, body = @app.call(env) ensure params = @params_proc.call(env, status, headers, body, began_at) @appends.each {|key, proc| params[key] = proc.call(env) } # old version compatibility @io.write ltsv(params) end
Private Instance Methods
ltsv(hash)
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# File lib/rack/ltsv_logger.rb, line 51 def ltsv(hash) hash.map {|k, v| "#{k}:#{v}" }.join("\t") + "\n" end