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 = []
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 52

def show
  @show
end

Instance Method Details

#add_activity(options = { }) ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 110

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, options[:real_size] || options[:size] )
end

#add_event(options = { }) ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 127

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)
end

#alignment ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 66

def alignment
  column.alignment
end

#is_right ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 62

def is_right
  column.is_right
end

#line_size ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 58

def line_size
  @config.screen.line_size
end

#position ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 70

def position
  column.position
end

#render(engine, num) ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 78

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 54

def top
  @config.screen.top
end

#update ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 145

def update
  return if @sorted.size == 0

  @max_rate = @max_rate * 0.9999

  startTime = Time.now
  i = 1
  @sorted[0].update
  @ordered = [@sorted[0]]
  min_pos = 0
  size = @sorted.size

  if @show == 0
    min = @sorted[0].rate
    while i < size
      @sorted[i].update
      rate = @sorted[i].rate
      if rate > min
        j = min_pos
        while @ordered[j-1].rate < rate && j > 0
          j -= 1
        end
        @ordered.insert(j, @sorted[i])
      else
        @ordered << @sorted[i]
        if i < @size
          min = rate
          min_pos = i
        end
      end
      i += 1
    end
  elsif @show == 1
    min = @sorted[0].total
    while i < size
      @sorted[i].update
      total = @sorted[i].total
      if total > min
        j = min_pos
        while @ordered[j-1].total < total && j > 0
          j -= 1
        end
        @ordered.insert(j, @sorted[i])
      else
        @ordered << @sorted[i]
        if i < @size
          min = total
          min_pos = i
        end
      end
      i += 1
    end
  elsif @show == 2
    min = @sorted[0].average
    while i < size
      @sorted[i].update
      average = @sorted[i].average
      if average > min
        j = min_pos
        while @ordered[j-1].average < average && j > 0
          j -= 1
        end
        @ordered.insert(j, @sorted[i])
      else
        @ordered << @sorted[i]
        if i < @size
          min = average
          min_pos = i
        end
      end
      i += 1
    end

  end

  @sorted = @ordered
end

#width ⇒ Object 



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# File 'lib/gl_tail/block.rb', line 74

def width
  column.size
end