#

# Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

# All rights reserved.

# This component and the accompanying materials are made available

# under the terms of the License "Eclipse Public License v1.0"

# which accompanies this distribution, and is available

# at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

# Initial Contributors:

# Nokia Corporation - initial contribution.

#

# Contributors:

#

# Description: 

# 

# Raptor log visualisation program. Takes a raptor log as standard input

# and displays timelines that represent build progress and 

# how much actual parallelism there is in the build.

# This program requires the pygame and PyOpenGL modules.

from OpenGL.GL import *

from OpenGL.GLU import *

import pygame

from pygame.locals import *

import time

class Timeline(object):

	"""A bar representing a number of recipes which were executed in 

	   time sequence.  There is no guarantee about what host but in 

	   theory they could have been executed on the same host."""

	globalmax = 2.0

	def __init__(self,ylevel):

		self.maxtime = 0.0

		self.recipes = []

		self.ylevel = ylevel

	def append(self, recipe):

		"" add this recipe to this timeline if it happens after the latest recipe already in the timeline ""

		if recipe.starttime + recipe.duration > self.maxtime:

			self.maxtime = recipe.starttime + recipe.duration

			if self.maxtime > Timeline.globalmax:

				Timeline.globalmax = self.maxtime 

		else:

			pass

		self.recipes.append(recipe)

	def draw(self):

		glLoadIdentity()

		self.xscale = 4.0 / Timeline.globalmax

    		glTranslatef(-2.0, -1.5, -6.0)

		count = 0

		for r in self.recipes:

			if count % 2 == 0:

				coloff=0.8

			else:

				coloff = 1.0

			count += 1

			r.draw(self.xscale, self.ylevel, coloff)

class Recipe(object):

	"""Represents a task completed in a raptor build. 

	   Drawn as a colour-coded bar with different 

	   colours for the various recipe types."""

	STAT_OK = 0

	colours = {

		'compile': (0.5,0.5,1.0),

		'compile2object': (0.5,0.5,1.0),

		'win32compile2object': (0.5,0.5,1.0),

		'tools2linkexe': (0.5,1.0,0.5),

		'link': (0.5,1.0,0.5),

		'linkandpostlink': (0.5,1.0,0.5),

		'win32stageonelink': (0.5,1.0,0.5),

		'tools2lib': (0.5,1.0,1.0),

		'win32stagetwolink': (1.0,0.1,1.0),

		'postlink': (1.0,0.5,1.0)

		}

	def __init__(self, starttime, duration, name, status):

		self.starttime = starttime

		self.duration = duration

		self.status = status

		self.colour = (1.0, 1.0, 1.0)

		if name in Recipe.colours:

			self.colour = Recipe.colours[name]

		else:

			self.colour = (1.0,1.0,1.0)

		self.name = name 

	def draw(self, scale, ylevel, coloff):

		if self.status == Recipe.STAT_OK:

			glColor4f(self.colour[0]*coloff, self.colour[1]*coloff, self.colour[2]*coloff,0.2)

		else:

			glColor4f(1.0*coloff, 0.6*coloff, 0.6*coloff,0.2)

		x = self.starttime * scale

		y = ylevel

		x2 = x + self.duration * scale

		y2 = ylevel + 0.2

		glBegin(GL_QUADS)

		glVertex3f(x, y, 0)

		glVertex3f(x, y2, 0)

		glVertex3f(x2, y2, 0)

		glVertex3f(x2, y, 0)

		glEnd()

def resize((width, height)):

	if height==0:

		height=1

	glViewport(0, 0, width, height)

	glMatrixMode(GL_PROJECTION)

	glLoadIdentity()

	gluPerspective(45, 1.0*width/height, 0.1, 100.0)

	glMatrixMode(GL_MODELVIEW)

	glLoadIdentity()

def init():

	glShadeModel(GL_SMOOTH)

	glClearColor(0.0, 0.0, 0.0, 0.0)

	glClearDepth(1.0)

	glEnable(GL_DEPTH_TEST)

	glDepthFunc(GL_LEQUAL)

	glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST)

import sys

import re

def main():

	video_flags = OPENGL|DOUBLEBUF

	pygame.init()

	pygame.display.set_mode((800,600), video_flags)

	resize((800,600))

	init()

	frames = 0

	ticks = pygame.time.get_ticks()

	lines = 4

	timelines = []

	ylevel = 0.0

	for i in xrange(0,4):

		ylevel += 0.6 

		timelines.append(Timeline(ylevel))

	f = sys.stdin

	recipe_re = re.compile(".*<recipe name='([^']+)'.*")

	time_re = re.compile(".*<time start='([0-9]+\.[0-9]+)' *elapsed='([0-9]+\.[0-9]+)'.*")

	status_re = re.compile(".*<status exit='([^']*)'.*")

	alternating = 0

	start_time = 0.0

	for l in f.xreadlines():

		l2 = l.rstrip("\n")

		rm = recipe_re.match(l2)

		if rm is not None:

			rname = rm.groups()[0]

			continue

		tm = time_re.match(l2)

		if tm is not None:

			s = float(tm.groups()[0])

			elapsed = float(tm.groups()[1])

			if start_time == 0.0:

				start_time = s

			s -= start_time

			continue

		sm = status_re.match(l2)

		if sm is None:

			continue

		if sm.groups()[0] == 'ok':

			status = 0

		else:

			status = int(sm.groups()[0])

		olddiff = 999999999.0

		tnum = 0

		for t in timelines:

			newdiff = s - t.maxtime

			if newdiff < 0.0:

				continue

			if olddiff > newdiff:

				dest_timeline = t

				olddiff = newdiff

			tnum += 1

		dest_timeline.append(Recipe(s, elapsed, rname, status))

		event = pygame.event.poll()

		if event.type == QUIT or (event.type == KEYDOWN and event.key == K_ESCAPE):

			break

		glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT)

		for t in timelines:

			t.draw()

		pygame.display.flip()

		frames = frames+1

	print "fps:  %de" % ((frames*1000)/(pygame.time.get_ticks()-ticks))

	event = pygame.event.wait()

if __name__ == '__main__': main()