class Rack::LtsvLogger

Constants

DEFAULT_PARAMS_PROC

Public Class Methods

extract_content_length(headers) click to toggle source
# 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) click to toggle source
# 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) click to toggle source
# 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) click to toggle source
# 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) click to toggle source
# File lib/rack/ltsv_logger.rb, line 51
def ltsv(hash)
  hash.map {|k, v| "#{k}:#{v}" }.join("\t") + "\n"
end