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#!/usr/bin/env python
#
# Copyright 2015-present Facebook. All Rights Reserved.
#
# This program file 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; version 2 of the License.
#
# 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 in a file named COPYING; if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301 USA
#
from ctypes import *
lpal_hndl = CDLL("libpal.so")
def pal_get_platform_name():
name = create_string_buffer(16)
ret = lpal_hndl.pal_get_platform_name(name)
if ret:
return None
else:
return name.value
def pal_get_num_slots():
num = c_ubyte()
p_num = pointer(num)
ret = lpal_hndl.pal_get_num_slots(p_num)
if ret:
return None
else:
return num.value
def pal_is_server_prsnt(slot_id):
status = c_ubyte()
p_status = pointer(status)
ret = lpal_hndl.pal_is_server_prsnt(slot_id, p_status)
if ret:
return None
else:
return status.value
def pal_get_server_power(slot_id):
status = c_ubyte()
p_status = pointer(status)
ret = lpal_hndl.pal_get_server_power(slot_id, p_status)
if ret:
return None
else:
return status.value
def pal_set_server_power(slot_id, command):
cmd = c_ubyte()
if command == 'power-off':
cmd.value = 0
elif command == 'power-on':
cmd.value = 1
elif command == 'power-cycle':
cmd.value = 2
elif command == 'graceful-shutdown':
cmd.value = 3
ret = lpal_hndl.pal_set_server_power(slot_id, cmd)
if ret:
return -1
else:
return 0
def pal_sled_cycle(command):
if command != 'sled-cycle':
return -1
ret = lpal_hndl.pal_sled_cycle()
if ret:
return -1
else:
return 0
def pal_set_key_value(key, value):
pkey = create_string_buffer(key)
pvalue = create_string_buffer(value)
ret = lpal_hndl.pal_set_key_value(pkey, pvalue)
if ret:
return -1;
else:
return 0;
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