Class: PassengerLogPerProc

Inherits:
Object
  • Object
show all
Defined in:
lib/passenger_log_per_proc.rb

Class Method Summary collapse

Class Method Details

.enable(log_path_with_prefix) ⇒ Object

with log_path_with_prefix like RAILS_ROOT/log/passenger/RAILS_ENV you will get logs like RAILS_ROOT/log/passenger/RAILS_ENV_Pid.log



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# File 'lib/passenger_log_per_proc.rb', line 11

def self.enable(log_path_with_prefix)
  PassengerLogPerProc.log_path_prefix = log_path_with_prefix
  PhusionPassenger::Rack::RequestHandler.class_eval do
    cattr_accessor :process_logger
    
    def process_request_with_extra_logging(env, input, output)
      unless self.class.process_logger
        PhusionPassenger::Rack::RequestHandler.process_logger = ActiveSupport::BufferedLogger.new(PassengerLogPerProc.log_path_prefix + "_#{Process.pid}" + ".log")

        PhusionPassenger::Rack::RequestHandler.process_logger.debug("\nPassenger logging started")

        RAILS_DEFAULT_LOGGER.instance_eval do
          class << self
            def add(severity, message = nil, progname = nil, &block)
              to_return = super
              if to_return
                Thread.current[:passenger_logs] ||= []
                Thread.current[:passenger_logs] << [severity, to_return.strip]
              end
              to_return
            end
          end
        end          
      end
      
      Thread.current[:passenger_logs] ||= []
      start_time = Time.now
      process_request_without_extra_logging(env, input, output)
    ensure
      PassengerLogPerProc.logger_mutex.synchronize do
        PhusionPassenger::Rack::RequestHandler.process_logger.info("RECEIVE_REQUEST (#{Process.pid}) #{env['REQUEST_METHOD']} #{env['REQUEST_URI']} #{start_time}")        
        Thread.current[:passenger_logs].each do |to_log|
          PhusionPassenger::Rack::RequestHandler.process_logger.add(to_log[0], to_log[1])
        end
        PhusionPassenger::Rack::RequestHandler.process_logger.info("#{Time.now} (#{Process.pid}) RESPONSE_SENT")
        PhusionPassenger::Rack::RequestHandler.process_logger.info("\n")
        Thread.current[:passenger_logs] = []
      end
    end

    alias_method_chain :process_request, :extra_logging  
  end    
end

.logger_mutex ⇒ Object 



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# File 'lib/passenger_log_per_proc.rb', line 5

def self.logger_mutex
 @@logger_mutex ||= Mutex.new
end