137 lines
3.8 KiB
Ruby
137 lines
3.8 KiB
Ruby
# Phusion Passenger - https://www.phusionpassenger.com/
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# Copyright (c) 2010-2025 Asynchronous B.V.
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#
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# "Passenger", "Phusion Passenger" and "Union Station" are registered
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# trademarks of Asynchronous B.V.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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PhusionPassenger.require_passenger_lib 'constants'
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module PhusionPassenger
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module DebugLogging
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# We don't refer to STDERR directly because STDERR's reference might
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# change during runtime.
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@@log_level = DEFAULT_LOG_LEVEL
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@@log_device = nil
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@@log_filename = nil
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@@stderr_evaluator = lambda { STDERR }
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def self.included(klass)
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klass.class_eval do
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private :debug
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private :trace
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end
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end
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def self.log_level
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return @@log_level
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end
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def self.log_level=(level)
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@@log_level = level
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end
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def self.log_file=(filename)
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if filename && filename.empty?
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@@log_filename = nil
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else
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@@log_filename = filename
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end
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@@log_device.close if @@log_device && !@@log_device.closed?
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@@log_device = nil
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end
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def self._log_device
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return @@log_device
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end
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def self.stderr_evaluator=(block)
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if block
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@@stderr_evaluator = block
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else
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@@stderr_evaluator = lambda { STDERR }
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end
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end
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def error(message)
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_output(1, message, 1)
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end
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module_function :error
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def warn(message)
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_output(2, message, 1)
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end
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module_function :warn
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def notice(message)
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_output(3, message, 1)
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end
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module_function :notice
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def info(message)
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_output(4, message, 1)
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end
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module_function :info
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def debug(message)
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_output(5, message, 1)
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end
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module_function :debug
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def trace(level, message)
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_output(4 + level, message, 1)
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end
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module_function :trace
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def _output(level, message, nesting_level = 0)
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if @@log_level >= level
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if @@log_filename
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if !@@log_device || @@log_device.closed?
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@@log_device = File.open(@@log_filename, "a")
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end
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output = @@log_device
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else
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output = @@stderr_evaluator.call
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end
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location = caller[nesting_level].sub(/.*phusion_passenger\//, '')
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location.sub!(/(.*?):.*/, '\1')
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now = Time.now
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time_str = now.strftime("%Y-%m-%d %H:%M:%S.")
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time_str << sprintf("%04d", now.usec / 100)
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current_thread = Thread.current
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if !(thread_id = current_thread[:id])
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current_thread.to_s =~ /:(0x[0-9a-f]+)/i
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thread_id = current_thread[:id] = $1 || '?'
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end
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if thread_name = current_thread[:name]
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thread_name = "(#{thread_name})"
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end
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output.write("[ #{time_str} #{$$}/#{thread_id}#{thread_name} #{location} ]: #{message}\n")
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output.flush
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end
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end
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module_function :_output
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end
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end
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