Class: Redwood::Logger
Overview
simple centralized logger. outputs to multiple sinks by calling << on them. also keeps a record of all messages, so that adding a new sink will send all previous messages to it by default.
Constant Summary collapse
- LEVELS =
in order!
%w(debug info warn error)
Instance Method Summary collapse
- #add_sink(s, copy_current = true) ⇒ Object
- #clear! ⇒ Object
-
#force_message(m) ⇒ Object
send a message regardless of the current logging level.
-
#initialize(level = nil) ⇒ Logger
constructor
A new instance of Logger.
- #level ⇒ Object
- #level=(level) ⇒ Object
- #remove_all_sinks! ⇒ Object
- #remove_sink(s) ⇒ Object
Methods included from Singleton
Constructor Details
#initialize(level = nil) ⇒ Logger
Returns a new instance of Logger.
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# File 'lib/sup/logger.rb', line 15 def initialize level=nil level ||= ENV["SUP_LOG_LEVEL"] || "info" self.level = level @mutex = Mutex.new @buf = StringIO.new @sinks = [] end |
Instance Method Details
#add_sink(s, copy_current = true) ⇒ Object
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# File 'lib/sup/logger.rb', line 26 def add_sink s, copy_current=true @mutex.synchronize do @sinks << s s << @buf.string if copy_current end end |
#clear! ⇒ Object
35 |
# File 'lib/sup/logger.rb', line 35 def clear!; @mutex.synchronize { @buf = StringIO.new } end |
#force_message(m) ⇒ Object
send a message regardless of the current logging level
46 |
# File 'lib/sup/logger.rb', line 46 def m; (nil, Time.now, m) end |
#level=(level) ⇒ Object
24 |
# File 'lib/sup/logger.rb', line 24 def level=(level); @level = LEVELS.index(level) || raise(ArgumentError, "invalid log level #{level.inspect}: should be one of #{LEVELS * ', '}"); end |
#remove_all_sinks! ⇒ Object
34 |
# File 'lib/sup/logger.rb', line 34 def remove_all_sinks!; @mutex.synchronize { @sinks.clear } end |
#remove_sink(s) ⇒ Object
33 |
# File 'lib/sup/logger.rb', line 33 def remove_sink s; @mutex.synchronize { @sinks.delete s } end |