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Console: new nandflash status viewer

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This commit is contained in:
Eduardo Silva 2007-06-12 14:32:48 -04:00
parent 7e8160871a
commit cc604e0815
7 changed files with 221 additions and 47 deletions
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6
services/console/interface/xo/Makefile.am
View File

@ -4,7 +4,5 @@ sugar_PYTHON = \
xo.py \
cpu.py \
system.py \
battery.py
battery.py \
nandflash.py

15
services/console/interface/xo/battery.py
View File

@ -27,7 +27,8 @@ class XO_Battery(gtk.Fixed):
def __init__(self):
gtk.Fixed.__init__(self)
self.frame = gtk.Frame('Battery Status')
self._frame_text = 'Battery Status'
self.frame = gtk.Frame(self._frame_text)
self.set_border_width(10)
self._battery_charge = self._get_battery_status()
@ -76,20 +77,16 @@ class XO_Battery(gtk.Fixed):
self.add(self.frame)
self.show_all()
# Update every 2 seconds
gobject.timeout_add(2000, self._update_battery_status)
def _update_battery_status(self):
def update_status(self):
new_charge = self._get_battery_status()
frame_label = str(self._battery_charge) + '%'
if new_charge != self._battery_charge:
self._battery_charge = self._get_battery_status()
self.label_charge_value.set_text(str(self._battery_charge) + '%')
self.label_charge_value.set_text(frame_label)
self._battery_box.set_capacity(self._battery_charge)
return True
def _get_battery_status(self):
battery_class_path = '/sys/class/battery/psu_0/'
capacity_path = battery_class_path + 'capacity_percentage'

10
services/console/interface/xo/cpu.py
View File

@ -75,7 +75,7 @@ class CPU_Usage:
self._times +=1
self._last_jiffies = used_jiffies
return pcpu
class XO_CPU(gtk.Frame):
@ -85,7 +85,6 @@ class XO_CPU(gtk.Frame):
gtk.Frame.__init__(self, 'System CPU Usage')
self.set_border_width(10)
self._updated = False
width = (gtk.gdk.screen_width() * 99 / 100) - 50
height = (gtk.gdk.screen_height() * 15 / 100) - 20
@ -100,15 +99,16 @@ class XO_CPU(gtk.Frame):
self.add(fixed)
self._DRW_CPU = CPU_Usage()
self._DRW_CPU.frequency = 1000 # 1 Second
self._DRW_CPU.frequency = 1200 # 1 Second
gobject.timeout_add(self._DRW_CPU.frequency, self._update_cpu_usage)
def _update_cpu_usage(self):
print "update XO CPU"
self._cpu = self._DRW_CPU._get_CPU_usage()
self._updated = True
self.set_label('System CPU Usage: ' + str(self._cpu) + '%')
# Draw the value into the graphic
self._graphic.draw_value(self._cpu)
return True

121
services/console/interface/xo/nandflash.py Normal file
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@ -0,0 +1,121 @@
#!/usr/bin/env python
# Copyright (C) 2007, Eduardo Silva (edsiper@gmail.com).
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import gtk
import gobject
from os import statvfs
from label import Label
from graphics.box import *
class XO_NandFlash(gtk.Fixed):
_MOUNT_POINT = '/'
def __init__(self):
gtk.Fixed.__init__(self)
self._frame_text = 'Nand Flash'
self._frame = gtk.Frame(self._frame_text)
self.set_border_width(10)
self._nandflash_box = BoxGraphic(color_mode=COLOR_MODE_REVERSE)
self._nandflash_box.set_size_request(70, 150)
fixed = gtk.Fixed();
fixed.set_border_width(10)
fixed.add(self._nandflash_box)
hbox = gtk.HBox(False, 0)
hbox.pack_start(fixed, False, False, 4)
# Battery info
table = gtk.Table(2, 3)
table.set_border_width(5)
table.set_col_spacings(7)
table.set_row_spacings(7)
label_total_size = Label('Total: ' , Label.DESCRIPTION)
self._label_total_value = Label('0 KB', Label.DESCRIPTION)
label_used_size = Label('Used: ' , Label.DESCRIPTION)
self._label_used_value = Label('0 KB', Label.DESCRIPTION)
label_free_size = Label('Free: ' , Label.DESCRIPTION)
self._label_free_value = Label('0 KB', Label.DESCRIPTION)
# Total
table.attach(label_total_size, 0, 1, 0, 1)
table.attach(self._label_total_value, 1,2, 0,1)
# Used
table.attach(label_used_size, 0, 2, 1, 2)
table.attach(self._label_used_value, 1,3, 1,2)
# Free
table.attach(label_free_size, 0, 3, 2, 3)
table.attach(self._label_free_value, 1,4, 2,3)
alignment = gtk.Alignment(0,0,0,0)
alignment.add(table)
hbox.pack_start(alignment, False, False, 0)
self._frame.add(hbox)
self.add(self._frame)
self.show()
self.update_status()
def update_status(self):
nand = StorageDevice(self._MOUNT_POINT)
# Byte values
total = (nand.f_bsize*nand.f_blocks)
free = (nand.f_bsize*nand.f_bavail)
used = (total - free)
self._label_total_value.set_label(str(total/1024) + ' KB')
self._label_used_value.set_label(str(used/1024) + ' KB')
self._label_free_value.set_label(str(free/1024) + ' KB')
self._usage_percent = ((used*100)/total)
frame_label = self._frame_text + ': ' + str(self._usage_percent) + '%'
self._frame.set_label(frame_label)
self._nandflash_box.set_capacity(self._usage_percent)
class StorageDevice:
f_bsize = 0
f_frsize = 0
f_blocks = 0
f_bfree = 0
f_bavail = 0
f_files = 0
f_ffree = 0
f_favail = 0
f_flag = 0
f_namemax = 0
def __init__(self, mount_point):
self.f_bsize, self.f_frsize, self.f_blocks, self.f_bfree, \
self.f_bavail, self.f_files, self.f_ffree, \
self.f_favail, self.f_flag, self.f_namemax = statvfs(mount_point)
"""
w = gtk.Window()
a = XO_NandFlash()
w.add(a)
w.show_all()
gtk.main()
"""

25
services/console/interface/xo/xo.py
View File

@ -26,13 +26,13 @@ import string
from cpu import XO_CPU
from system import XO_System
from battery import XO_Battery
from nandflash import XO_NandFlash
class Interface:
def __init__(self):
self.widget = self.vbox = gtk.VBox(False, 3)
# System information
xo_system = XO_System()
self.vbox.pack_start(xo_system, False, False, 0)
@ -41,8 +41,23 @@ class Interface:
xo_cpu = XO_CPU()
self.vbox.pack_start(xo_cpu, False, False, 0)
# Battery Status / Graph
xo_battery = XO_Battery()
self.vbox.pack_start(xo_battery, False, False, 0)
# Graphics: Battery Status, NandFlash
self._xo_battery = XO_Battery()
self._xo_nandflash = XO_NandFlash()
hbox = gtk.HBox(False, 2)
hbox.pack_start(self._xo_battery, False, False, 0)
hbox.pack_start(self._xo_nandflash, False, False, 0)
self.vbox.pack_start(hbox, False, False, 0)
self.vbox.show_all()
# Update every 5 seconds
gobject.timeout_add(5000, self._update_components)
def _update_components(self):
self._xo_battery.update_status()
self._xo_nandflash.update_status()
return True

66
services/console/lib/graphics/box.py
View File

@ -17,14 +17,34 @@
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import gtk
import gobject
import cairo
COLOR_MODE_NORMAL = 0
COLOR_MODE_REVERSE = 1
class BoxGraphic(gtk.DrawingArea):
def __init__(self):
__gtype_name__ = 'ConsoleBoxGraphic'
__gproperties__ = {
'color-mode': (gobject.TYPE_INT, None, None, 0, 1, COLOR_MODE_NORMAL,
gobject.PARAM_READWRITE | gobject.PARAM_CONSTRUCT_ONLY)
}
_color_status_high = [0, 0, 0]
_color_status_medium = [0, 0, 0]
_color_status_low = [0, 0, 0]
_limit_high = 0
_limit_medium = 0
_limit_low = 0
def __init__(self, **kwargs):
gobject.GObject.__init__(self, **kwargs)
gtk.DrawingArea.__init__(self)
self.connect("expose-event", self.do_expose)
self.connect('size-allocate', self._change_size_cb)
self.set_capacity(0)
def do_expose(self, widget, event):
context = widget.window.cairo_create()
@ -33,27 +53,47 @@ class BoxGraphic(gtk.DrawingArea):
context.set_source_rgb (0,0,0)
context.fill_preserve()
context.stroke()
print self._percent
self._draw_content(context, self._percent)
def do_set_property(self, pspec, value):
if pspec.name == 'color-mode':
self._configure(mode=value)
else:
raise AssertionError
def set_capacity(self, percent):
self._percent = percent
self.queue_draw()
def _configure(self, mode):
# Normal mode configure the box as a battery
# full is good, empty is bad
if mode == COLOR_MODE_NORMAL:
self._color_status_high = [0, 1, 0]
self._color_status_medium = [1,1,0]
self._color_status_low = [1,0,0]
self._limit_high = 60
self._limit_medium = 10
# Reverse mode configure the box as a storage device
# full is bad, empty is good
elif mode == COLOR_MODE_REVERSE:
self._color_status_high = [1,0,0]
self._color_status_medium = [1,1,0]
self._color_status_low = [0, 1, 0]
self._limit_high = 85
self._limit_medium = 40
def _draw_content(self, context, percent):
usage_height = (percent*self._height)/100
context.rectangle(0, self._height - usage_height, self._width, self._height)
if self._percent > 50:
context.set_source_rgb (0,1,0)
if self._percent > 10 and self._percent <= 50:
context.set_source_rgb (1,1,0)
if self._percent <= 10:
context.set_source_rgb (1,0,0)
if self._percent > self._limit_high:
context.set_source_rgb(*self._color_status_high)
elif self._percent >= self._limit_medium and self._percent <= self._limit_high:
context.set_source_rgb(*self._color_status_medium)
elif self._percent < self._limit_medium:
context.set_source_rgb(*self._color_status_low)
context.fill_preserve()

25
services/console/lib/graphics/frequency.py
View File

@ -41,9 +41,8 @@ class HorizontalGraphic(gtk.DrawingArea):
if event.area.x == 0:
draw_all = True
self._draw_border_lines(context)
context.stroke()
context.stroke()
else:
draw_all = False
context.rectangle(event.area.x, event.area.y, event.area.width, event.area.height)
@ -75,9 +74,9 @@ class HorizontalGraphic(gtk.DrawingArea):
height = self._height
width = self._width
else:
area_x = (length*self._GRAPH_OFFSET)
area_x = self._graph_x + (length*self._GRAPH_OFFSET)
area_y = self._graph_y
width = self._GRAPH_OFFSET * 2
width = self._GRAPH_OFFSET*2
height = self._graph_height
self.queue_draw_area(area_x, area_y, width, height)
@ -115,8 +114,8 @@ class HorizontalGraphic(gtk.DrawingArea):
for percent in self._buffer[buffer_offset:length]:
if buffer_offset == 0:
from_y = self._height - self._GRAPH_OFFSET
from_x = self._GRAPH_OFFSET
from_y = self._get_y(self._buffer[0])
from_x = self._graph_x
else:
from_y = self._get_y(self._buffer[buffer_offset-1])
from_x = (freq * self._GRAPH_OFFSET)
@ -131,14 +130,18 @@ class HorizontalGraphic(gtk.DrawingArea):
context.stroke()
def _get_y(self, percent):
y_value = self._GRAPH_OFFSET + (self._graph_height - ((percent*self._graph_height)/100))
return int(y_value)
if percent==0:
percent = 1
graph_y = ((self._height)/(100 - 1))*(percent - 1)
y = self._LINE_WIDTH + abs(abs(self._height - graph_y) - self._MARGIN*2)
return int(y)
def _change_size_cb(self, widget, allocation):
self._width = allocation.width
self._height = allocation.height
self._graph_x = self._MARGIN + self._LINE_WIDTH
self._graph_y = self._MARGIN + self._LINE_WIDTH
self._graph_width = self._width - (self._MARGIN + self._LINE_WIDTH)
self._graph_height = self._height - ((self._MARGIN + self._LINE_WIDTH)*2)
self._graph_y = self._MARGIN
self._graph_width = self._width - (self._MARGIN*2 + self._LINE_WIDTH)
self._graph_height = self._height - ((self._MARGIN*2 + self._LINE_WIDTH))