1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
#!/usr/bin/env python
import gobject
import dbus
import dbus.service
import dbus.mainloop.glib
import os
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
import obmc.system
DBUS_NAME = 'org.openbmc.managers.System'
OBJ_NAME = '/org/openbmc/managers/System'
INTF_SENSOR = 'org.openbmc.SensorValue'
INTF_ITEM = 'org.openbmc.InventoryItem'
class SystemManager(DbusProperties, DbusObjectManager):
def __init__(self, bus, obj_name):
super(SystemManager, self).__init__(
conn=bus,
object_path=obj_name)
self.bus = bus
bus.add_signal_receiver(
self.NewObjectHandler,
signal_name="InterfacesAdded", sender_keyword='bus_name')
bus.add_signal_receiver(
self.SystemStateHandler, signal_name="GotoSystemState")
self.Set(DBUS_NAME, "current_state", "")
## replace symbolic path in ID_LOOKUP
for category in System.ID_LOOKUP:
for key in System.ID_LOOKUP[category]:
val = System.ID_LOOKUP[category][key]
new_val = val.replace(
"<inventory_root>", obmc.inventory.INVENTORY_ROOT)
System.ID_LOOKUP[category][key] = new_val
self.SystemStateHandler(System.SYSTEM_STATES[0])
print "SystemManager Init Done"
def SystemStateHandler(self, state_name):
print "Running System State: "+state_name
self.Set(DBUS_NAME, "current_state", state_name)
waitlist = System.EXIT_STATE_DEPEND.get(state_name, {}).keys()
if waitlist:
self.waiter = obmc.mapper.utils.Wait(
self.bus, waitlist,
callback=self.gotoNextState)
def gotoNextState(self):
s = 0
current_state = self.Get(DBUS_NAME, "current_state")
for i in range(len(System.SYSTEM_STATES)):
if (System.SYSTEM_STATES[i] == current_state):
s = i+1
if (s == len(System.SYSTEM_STATES)):
print "ERROR SystemManager: No more system states"
else:
new_state_name = System.SYSTEM_STATES[s]
print "SystemManager Goto System State: "+new_state_name
self.SystemStateHandler(new_state_name)
@dbus.service.method(DBUS_NAME, in_signature='', out_signature='s')
def getSystemState(self):
return self.Get(DBUS_NAME, "current_state")
def doObjectLookup(self, category, key):
obj_path = ""
intf_name = INTF_ITEM
try:
obj_path = System.ID_LOOKUP[category][key]
parts = obj_path.split('/')
if (parts[3] == 'sensors'):
intf_name = INTF_SENSOR
except Exception as e:
print "ERROR SystemManager: "+str(e)+" not found in lookup"
return [obj_path, intf_name]
@dbus.service.method(DBUS_NAME, in_signature='ss', out_signature='(ss)')
def getObjectFromId(self, category, key):
return self.doObjectLookup(category, key)
@dbus.service.method(DBUS_NAME, in_signature='sy', out_signature='(ss)')
def getObjectFromByteId(self, category, key):
byte = int(key)
return self.doObjectLookup(category, byte)
# Get the FRU area names defined in ID_LOOKUP table given a fru_id.
# If serval areas are defined for a fru_id, the areas are returned
# together as a string with each area name seperated with ','.
# If no fru area defined in ID_LOOKUP, an empty string will be returned.
@dbus.service.method(DBUS_NAME, in_signature='y', out_signature='s')
def getFRUArea(self, fru_id):
ret_str = ''
fru_id = '_' + str(fru_id)
area_list = [
area for area in System.ID_LOOKUP['FRU_STR'].keys()
if area.endswith(fru_id)]
for area in area_list:
ret_str = area + ',' + ret_str
# remove the last ','
return ret_str[:-1]
def NewObjectHandler(self, obj_path, iprops, bus_name=None):
current_state = self.Get(DBUS_NAME, "current_state")
if current_state not in System.EXIT_STATE_DEPEND:
return
if obj_path in System.EXIT_STATE_DEPEND[current_state]:
print "New object: "+obj_path+" ("+bus_name+")"
@dbus.service.method(DBUS_NAME, in_signature='s', out_signature='sis')
def gpioInit(self, name):
gpio_path = ''
gpio_num = -1
r = ['', gpio_num, '']
if name not in System.GPIO_CONFIG:
# TODO: Error handling
print "ERROR: "+name+" not found in GPIO config table"
else:
gpio_num = -1
gpio = System.GPIO_CONFIG[name]
if 'gpio_num' in System.GPIO_CONFIG[name]:
gpio_num = gpio['gpio_num']
else:
if 'gpio_pin' in System.GPIO_CONFIG[name]:
gpio_num = obmc.system.convertGpio(gpio['gpio_pin'])
else:
print "ERROR: SystemManager - GPIO lookup failed for "+name
if (gpio_num != -1):
r = [obmc.enums.GPIO_DEV, gpio_num, gpio['direction']]
return r
if __name__ == '__main__':
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
bus = get_dbus()
obj = SystemManager(bus, OBJ_NAME)
mainloop = gobject.MainLoop()
obj.unmask_signals()
name = dbus.service.BusName(DBUS_NAME, bus)
print "Running SystemManager"
mainloop.run()
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
|
