Class: Logfoo::Context

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

Constant Summary collapse

THREAD_CONTEXT = 
:"logfoo_context"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, name, context = nil) ⇒ Context

Returns a new instance of Context.



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# File 'lib/logfoo/context.rb', line 8

def initialize(app, name, context = nil)
  @app          = app
  @name         = name
  @level        = Logfoo::DEBUG
  @context      = context || {}
end

Instance Attribute Details

#level ⇒ Object

Returns the value of attribute level.



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# File 'lib/logfoo/context.rb', line 4

def level
  @level
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/logfoo/context.rb', line 4

def name
  @name
end

#thread_id ⇒ Object (readonly)

Returns the value of attribute thread_id.



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# File 'lib/logfoo/context.rb', line 4

def thread_id
  @thread_id
end

Instance Method Details

#[]=(k, v) ⇒ Object 



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# File 'lib/logfoo/context.rb', line 19

def []=(k,v)
  if v == nil
    @context.delete(k)
  else
    @context[k] = v
  end
end

#add(level, message, progname, &block) ⇒ Object 



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# File 'lib/logfoo/context.rb', line 61

def add(level, message, progname, &block)
  lv = Logfoo::LEVELS[level]
  if lv
    public_send(lv.downcase, message, &block)
  end
end

#context(keys = nil) ⇒ Object 



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# File 'lib/logfoo/context.rb', line 27

def context(keys = nil)
  if block_given?
    keys ||= {}
    begin
      Thread.current[THREAD_CONTEXT] ||= []
      Thread.current[THREAD_CONTEXT].push(keys)
      yield
    ensure
      Thread.current[THREAD_CONTEXT].pop
      if Thread.current[THREAD_CONTEXT] == []
        Thread.current[THREAD_CONTEXT] = nil
      end
    end
  else
    keys = (Thread.current[THREAD_CONTEXT] || []).inject({}) do |memo, kvs|
      kvs.each do |(k,v)|
        memo.merge!(k => v)
      end
      memo
    end
    @context.merge(keys)
  end
end

#measure(message, payload = {}) ⇒ Object 



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# File 'lib/logfoo/context.rb', line 51

def measure(message, payload = {})
  tm = Time.now.to_f
  re = nil
  re = yield if block_given?
  tm = Time.now.to_f - tm
  payload[:duration] = tm
  self.info message, payload
  re
end