Class: Element
- Inherits:
-
Object
- Object
- Element
- Defined in:
- lib/gl_tail/element.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
-
#active ⇒ Object
Returns the value of attribute active.
-
#activities ⇒ Object
readonly
Returns the value of attribute activities.
-
#average ⇒ Object
readonly
Returns the value of attribute average.
-
#average_size ⇒ Object
Returns the value of attribute average_size.
-
#color ⇒ Object
Returns the value of attribute color.
-
#messages ⇒ Object
readonly
Returns the value of attribute messages.
-
#name ⇒ Object
Returns the value of attribute name.
-
#queue ⇒ Object
readonly
Returns the value of attribute queue.
-
#rate ⇒ Object
readonly
Returns the value of attribute rate.
-
#right ⇒ Object
Returns the value of attribute right.
-
#total ⇒ Object
readonly
Returns the value of attribute total.
-
#updates ⇒ Object
readonly
Returns the value of attribute updates.
-
#wy ⇒ Object
Returns the value of attribute wy.
-
#y ⇒ Object
Returns the value of attribute y.
Instance Method Summary collapse
- #<(b) ⇒ Object
- #<=(b) ⇒ Object
- #<=>(b) ⇒ Object
- #>(b) ⇒ Object
- #>=(b) ⇒ Object
- #add_activity(message, color, size, type, real_size) ⇒ Object
- #add_event(message, color, update_stats) ⇒ Object
-
#initialize(block, name, color, start_position = nil) ⇒ Element
constructor
A new instance of Element.
- #render(engine, options = { }) ⇒ Object
- #render_events(engine) ⇒ Object
- #update ⇒ Object
Constructor Details
#initialize(block, name, color, start_position = nil) ⇒ Element
Returns a new instance of Element.
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# File 'lib/gl_tail/element.rb', line 11 def initialize(block, name, color, start_position = nil) @block = block if name.nil? name = '' end if name =~ /^\d+.\d+.\d+.\d+$/ @name = Resolver.resolv(name, self) else @name = name end @start_position = start_position.nil? ? -@block.top : start_position @queue = [] @pending = [] @activities = [] @messages = 0 @rate = 0 @total = 0 @sum = 0 @average = 0.0 @last_time = 0 @step = 0, @updates = 0 @active = false @color = color || [1.0, 1.0, 1.0, 1.0] @type = (@block.activity_type == "blobs" ? :blobs : :bars) @bar_color ||= @color.dup end |
Instance Attribute Details
#active ⇒ Object
Returns the value of attribute active.
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# File 'lib/gl_tail/element.rb', line 8 def active @active end |
#activities ⇒ Object (readonly)
Returns the value of attribute activities.
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# File 'lib/gl_tail/element.rb', line 9 def activities @activities end |
#average ⇒ Object (readonly)
Returns the value of attribute average.
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# File 'lib/gl_tail/element.rb', line 9 def average @average end |
#average_size ⇒ Object
Returns the value of attribute average_size.
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# File 'lib/gl_tail/element.rb', line 8 def average_size @average_size end |
#color ⇒ Object
Returns the value of attribute color.
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# File 'lib/gl_tail/element.rb', line 8 def color @color end |
#messages ⇒ Object (readonly)
Returns the value of attribute messages.
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# File 'lib/gl_tail/element.rb', line 9 def @messages end |
#name ⇒ Object
Returns the value of attribute name.
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# File 'lib/gl_tail/element.rb', line 8 def name @name end |
#queue ⇒ Object (readonly)
Returns the value of attribute queue.
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# File 'lib/gl_tail/element.rb', line 9 def queue @queue end |
#rate ⇒ Object (readonly)
Returns the value of attribute rate.
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# File 'lib/gl_tail/element.rb', line 9 def rate @rate end |
#right ⇒ Object
Returns the value of attribute right.
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# File 'lib/gl_tail/element.rb', line 8 def right @right end |
#total ⇒ Object (readonly)
Returns the value of attribute total.
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# File 'lib/gl_tail/element.rb', line 9 def total @total end |
#updates ⇒ Object (readonly)
Returns the value of attribute updates.
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# File 'lib/gl_tail/element.rb', line 9 def updates @updates end |
#wy ⇒ Object
Returns the value of attribute wy.
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# File 'lib/gl_tail/element.rb', line 8 def wy @wy end |
#y ⇒ Object
Returns the value of attribute y.
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# File 'lib/gl_tail/element.rb', line 8 def y @y end |
Instance Method Details
#<(b) ⇒ Object
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# File 'lib/gl_tail/element.rb', line 305 def < (b) b.rate < self.rate end |
#<=(b) ⇒ Object
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# File 'lib/gl_tail/element.rb', line 309 def <= (b) b.rate <= self.rate end |
#<=>(b) ⇒ Object
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# File 'lib/gl_tail/element.rb', line 297 def <=>(b) b.rate <=> self.rate end |
#>(b) ⇒ Object
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# File 'lib/gl_tail/element.rb', line 301 def > (b) b.rate > self.rate end |
#>=(b) ⇒ Object
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# File 'lib/gl_tail/element.rb', line 313 def >= (b) b.rate >= self.rate end |
#add_activity(message, color, size, type, real_size) ⇒ Object
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# File 'lib/gl_tail/element.rb', line 43 def add_activity(, color, size, type, real_size) @bar_color[0] = @bar_color[0] + (@color[0] - @bar_color[0]) / 5 @bar_color[1] = @bar_color[1] + (@color[1] - @bar_color[1]) / 5 @bar_color[2] = @bar_color[2] + (@color[2] - @bar_color[2]) / 5 @pending.push Item.new(, size, color, type) if(type != 3) @messages += 1 @total += 1 @sum += real_size @color = color if @rate == 0 @rate = 1.0 / 60 @messages = 0 end end |
#add_event(message, color, update_stats) ⇒ Object
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# File 'lib/gl_tail/element.rb', line 60 def add_event(, color, update_stats) @pending.push Item.new(, 0.01, color, 2) if update_stats @messages += 1 @total += 1 if @rate == 0 @rate = 1.0 / 60 @messages = 0 end end end |
#render(engine, options = { }) ⇒ Object
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# File 'lib/gl_tail/element.rb', line 125 def render(engine, = { }) # this used to be in the constructor, couldnt leave it there without using globals if not defined? @x @x = (@block.is_right ? @block.alignment : (@block.alignment - (8.0 / (@block.config.screen.window_width / 2.0)) * (@block.width + 8))) @y = @start_position @z = 0 @wy = @start_position @color = @block.color.dup if @color.nil? && @block.color @color ||= [1.0, 1.0, 1.0, 1.0] @size = 0.01 end @wx = @block.is_right ? (@block.alignment - (@block.width+8)*8.0 / (engine.screen.window_width / 2.0)) : @block.alignment if(@y == -@block.top) @y = @wy end d = @wy - @y if d.abs < 0.001 @y = @wy else @y += d / 20 end d = @wx - @x if d.abs < 0.001 @x = @wx else @x += d / 20 end glPushMatrix() glTranslate(@x, @y, @z) if( rate > 0.0 ) glBegin(GL_QUADS) if @x >= 0 y2 = 0.0 @x1 = 7*8.0 / (engine.screen.window_width / 2.0) y1 = engine.screen.line_size * 0.9 x2 = @x1 + ((@block.width+1) * 8.0 / (engine.screen.window_width / 2.0) ) * (rate / @block.max_rate) @x2 ||= @x1 d = (@x2 - x2) if d.abs < 0.001 @x2 = x2 else @x2 -= d / 40 end glColor(@bar_color) glVertex3f(@x1, y1, @z) glColor(@bar_color) glVertex3f(@x2, y1, @z) glColor([0.0, 0.0, 0.0, 0.0]) glVertex3f(@x2, y2, @z) glColor(@bar_color) glVertex3f(@x1, y2, @z) else @x2 = (@block.width+1)*8.0 / (engine.screen.window_width / 2.0) y2 = 0.0 y1 = engine.screen.line_size * 0.9 x1 = ((@block.width * 8.0) / (engine.screen.window_width / 2.0) ) * (1.0 - rate / @block.max_rate) @x1 ||= @x2 d = (@x1 - x1) if d.abs < 0.001 @x1 = x1 else @x1 -= d / 20 end glColor(@bar_color) glVertex3f(@x1, y1, @z) glColor(@bar_color) glVertex3f(@x2, y1, @z) glColor(@bar_color) glVertex3f(@x2, y2, @z) glColor([0.0, 0.0, 0.0, 0.0]) glVertex3f(@x1, y2, @z) end glEnd end # glTranslate(@x, @y, @z) glColor( (@queue.size > 0 ? (engine.screen.highlight_color || [1.0, 0.0, 0.0, 1.0]) : @color ) ) case @block.show when 0 if @rate < 0.0001 txt = " r/m " else txt = "#{sprintf("%8.2f",@rate * 60)} " end when 1 if @total == 0 txt = " total " else txt = "#{sprintf("%8d",@total)} " end when 2 if @average == 0 txt = " avg " else txt = "#{sprintf("%8.2f",@average)} " end else raise "unknown block type #{self.inspect}" end if @x < 0 engine.render_string(sprintf("%#{@block.width}s", @name.length > @block.width ? @name[-@block.width..-1] : @name), txt) else engine.render_string(txt[1..-1], @name[0..@block.width-1]) end glPopMatrix() t = glutGet(GLUT_ELAPSED_TIME) while( (@queue.size > 0) && (@last_time < t ) ) @last_time += @step item = @queue.pop url = item. color = item.color size = item.size type = item.type if type == 2 @activities.push Activity.new(url, 0.0 - (0.008 * url.length), engine.screen.top, 0.0, color, size, type) elsif type == 5 a = Activity.new(url, 0.0, engine.screen.top, 0.0, color, size, type) a.wx = @wx a.wy = @wy + 0.05 @activities.push a elsif type != 4 if @x >= 0 @activities.push Activity.new(url, (@block.alignment - (@block.width+8)*8.0 / (engine.screen.window_width / 2.0)), @y + engine.screen.line_size/2, @z, color, size, type) else @activities.push Activity.new(url, (@block.alignment + (@block.width+8)*8.0 / (engine.screen.window_width / 2.0) ), @y + engine.screen.line_size/2, @z, color, size, type) end end end @activities.each do |a| if a.x > 1.0 || a.x < -1.0 || a.y < -(engine.screen.aspect*1.5) @activities.delete a else a.wy = @wy + 0.005 if(a.type == 5 && @wy != a.wy) a.render(engine) engine.stats[1] += 1 end end @bar_color[0] = @bar_color[0] + (0.15 - @bar_color[0]) / 100 @bar_color[1] = @bar_color[1] + (0.15 - @bar_color[1]) / 100 @bar_color[2] = @bar_color[2] + (0.15 - @bar_color[2]) / 100 end |
#render_events(engine) ⇒ Object
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# File 'lib/gl_tail/element.rb', line 95 def render_events(engine) @color ||= [1.0, 1.0, 1.0, 1.0] t = glutGet(GLUT_ELAPSED_TIME) while( (@queue.size > 0) && (@last_time < t ) ) @last_time += @step item = @queue.pop url = item. color = item.color size = item.size type = item.type if type == 2 @activities.push Activity.new(url, 0.0 - (0.008 * url.length), engine.screen.top, 0.0, color, size, type) end end @activities.each do |a| if a.x > 1.0 || a.x < -1.0 || a.y < -(engine.screen.aspect*1.5) @activities.delete a else a.wy = @wy + 0.005 if(a.type == 5 && @wy != a.wy) a.render(engine) engine.stats[1] += 1 end end end |
#update ⇒ Object
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# File 'lib/gl_tail/element.rb', line 73 def update @rate = (@rate * 299.0 + @messages) / 300.0 @updates += 1 @messages = 0 size = @pending.size if size > 0 @average = @sum / @total.to_f @step = 1.0 / size * 1000.0 @queue = @pending if size == 1 @step = rand(1000) * 1.0 end @pending = [] else @step = 0 end @last_time = glutGet(GLUT_ELAPSED_TIME) @last_time += @step if @queue.size == 1 @rate end |