Class: Block

Inherits:
Object
  • Object
show all
Includes:
GlTail::Configurable
Defined in:
lib/gl_tail/block.rb

Overview

gl_tail.rb - OpenGL visualization of your server traffic Copyright 2007 Erlend Simonsen <[email protected]>

Licensed under the GNU General Public License v2 (see LICENSE)

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from GlTail::Configurable

#config_rewrite_color, included

Constructor Details

#initialize(config, name) ⇒ Block

Returns a new instance of Block.



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# File 'lib/gl_tail/block.rb', line 22

def initialize(config, name)
  @config = config
  @name = name

  @size = 10
  @auto_clean = true
  @activity_type = "blobs"
  @order = 100

  @show = 0

  @header = Element.new(self, @name.upcase, [1.0, 1.0, 1.0, 1.0])

  @elements = { }
  @bottom_position = -@config.screen.top
  @max_rate = 1.0/599

  @sorted = []
  @updated = false
end

Instance Attribute Details

#bottom_position ⇒ Object (readonly)

Returns the value of attribute bottom_position.



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# File 'lib/gl_tail/block.rb', line 10

def bottom_position
  @bottom_position
end

#column ⇒ Object

Returns the value of attribute column.



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# File 'lib/gl_tail/block.rb', line 18

def column
  @column
end

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/gl_tail/block.rb', line 19

def config
  @config
end

#max_rate ⇒ Object (readonly)

Returns the value of attribute max_rate.



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# File 'lib/gl_tail/block.rb', line 20

def max_rate
  @max_rate
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/gl_tail/block.rb', line 10

def name
  @name
end

#show ⇒ Object

Returns the value of attribute show.



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# File 'lib/gl_tail/block.rb', line 53

def show
  @show
end

Instance Method Details

#add_activity(options = { }) ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 111

def add_activity(options = { })
  return unless options[:name]
  x = nil
  unless @elements[options[:name]]
    x = Element.new(self, options[:name], @color || options[:color] )
    @elements[options[:name]] = x
    if @sorted.size > @size
      @sorted.insert(@size,x)
    else
      @sorted << x
    end
  else
    x = @elements[options[:name]]
  end
  x.add_activity(options[:message], @color || options[:color], options[:size] || 0.01, options[:type] || 0 )
  @updated = true
end

#add_event(options = { }) ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 129

def add_event(options = { })
  return unless options[:name]
  x = nil
  unless @elements[options[:name]]
    x = Element.new(self, options[:name], @color || options[:color] )
    @elements[options[:name]] = x
    if @sorted.size > @size
      @sorted.insert(@size,x)
    else
      @sorted << x
    end
  else
    x = @elements[options[:name]]
  end

  x.add_event(options[:message], options[:color] || @color, options[:update_stats] || false)
  @updated = true
end

#alignment ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 67

def alignment
  column.alignment
end

#is_right ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 63

def is_right
  column.is_right
end

#line_size ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 59

def line_size
  @config.screen.line_size
end

#position ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 71

def position
  column.position
end

#render(engine, num) ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 79

def render(engine, num)
  return num if @elements.size == 0 || @sorted.size == 0

  @header.wy = top - (num * line_size)
  #    @header.y = @header.wy if @header.y == -$CONFIG.top
  @header.render(engine)
  num += 1

  count = 0

  @sorted.each do |e|
    engine.stats[0] += 1
    if count < @size
      e.wy = top - (num * line_size)
      e.render(engine)
      num += 1
      @max_rate = e.rate if e.rate > @max_rate
    else
      e.render_events(engine)
    end

    if e.activities.size == 0 && (e.rate <= 0.001 || count > 100) && @auto_clean
      @elements.delete(e.name)
      @sorted.delete(e)
    end
    count += 1
  end

  @bottom_position = top - ((@sorted.size > 0 ? (num-1) : num) * line_size)
  num + 1
end

#top ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 55

def top
  @config.screen.top
end

#update ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 148

def update
  return if @sorted.size == 0

  @max_rate = @max_rate * 0.9999

  startTime = Time.now

  i = 1
  @ordered = [@sorted[0]]
  min = @sorted[0].update
  size = @sorted.size

  while i < size
    rate = @sorted[i].update
    if rate > min
      j = i - 1
      while @ordered[j-1].rate < rate && j > 0
        j -= 1
      end
      @ordered.insert(j, @sorted[i])
    else
      @ordered << @sorted[i]
      min = rate if i < @size
    end
    i += 1
  end

  @sorted = @ordered

#    puts "#{@name} [#{@sorted.size}]: [#{Time.now - startTime}]" if @name == "urls"

  return

  return unless @updated

  sortTime = Time.now
#    iSort( @sorted )

#    @sorted = case @show
#              when 0: @sorted.insertionSort
#              when 1: @sorted.sort! { |k,v| "#{sprintf('%05d',v.total)} #{v.rate}" <=> "#{sprintf('%05d',k.total)} #{k.rate}" }
#              when 2: @sorted.sort! { |k,v| "#{v.average} #{v.name}" <=> "#{k.average} #{k.name}" }
#              end

  puts "#{@name} [#{@sorted.size}]: [#{sortTime - startTime}] [#{Time.now - sortTime}]"

  @updated = false

end

#width ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 75

def width
  column.size
end