Current File : //opt/cpanel/ea-ruby27/root/usr/share/passenger/phusion_passenger/debug_logging.rb
# Phusion Passenger - https://www.phusionpassenger.com/
# Copyright (c) 2010-2017 Phusion Holding B.V.
#
# "Passenger", "Phusion Passenger" and "Union Station" are registered
# trademarks of Phusion Holding B.V.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
PhusionPassenger.require_passenger_lib 'constants'
module PhusionPassenger
module DebugLogging
# We don't refer to STDERR directly because STDERR's reference might
# change during runtime.
@@log_level = DEFAULT_LOG_LEVEL
@@log_device = nil
@@log_filename = nil
@@stderr_evaluator = lambda { STDERR }
def self.included(klass)
klass.class_eval do
private :debug
private :trace
end
end
def self.log_level
return @@log_level
end
def self.log_level=(level)
@@log_level = level
end
def self.log_file=(filename)
if filename && filename.empty?
@@log_filename = nil
else
@@log_filename = filename
end
@@log_device.close if @@log_device && !@@log_device.closed?
@@log_device = nil
end
def self._log_device
return @@log_device
end
def self.stderr_evaluator=(block)
if block
@@stderr_evaluator = block
else
@@stderr_evaluator = lambda { STDERR }
end
end
def error(message)
_output(1, message, 1)
end
module_function :error
def warn(message)
_output(2, message, 1)
end
module_function :warn
def notice(message)
_output(3, message, 1)
end
module_function :notice
def info(message)
_output(4, message, 1)
end
module_function :info
def debug(message)
_output(5, message, 1)
end
module_function :debug
def trace(level, message)
_output(4 + level, message, 1)
end
module_function :trace
def _output(level, message, nesting_level = 0)
if @@log_level >= level
if @@log_filename
if !@@log_device || @@log_device.closed?
@@log_device = File.open(@@log_filename, "a")
end
output = @@log_device
else
output = @@stderr_evaluator.call
end
location = caller[nesting_level].sub(/.*phusion_passenger\//, '')
location.sub!(/(.*?):.*/, '\1')
now = Time.now
time_str = now.strftime("%Y-%m-%d %H:%M:%S.")
time_str << sprintf("%04d", now.usec / 100)
current_thread = Thread.current
if !(thread_id = current_thread[:id])
current_thread.to_s =~ /:(0x[0-9a-f]+)/i
thread_id = current_thread[:id] = $1 || '?'
end
if thread_name = current_thread[:name]
thread_name = "(#{thread_name})"
end
output.write("[ #{time_str} #{$$}/#{thread_id}#{thread_name} #{location} ]: #{message}\n")
output.flush
end
end
module_function :_output
end
end
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