638 lines
22 KiB
Python
638 lines
22 KiB
Python
# sfputil.py
|
|
#
|
|
# Platform-specific SFP transceiver interface for SONiC
|
|
#
|
|
# +-i2c----+--------+
|
|
# | 6 | 7 |
|
|
# | +-------------+ |
|
|
# | |IOM1 | IOM3 | |
|
|
# | |IOM2 | IOM4 | |
|
|
# | +-------------+ |
|
|
# | 8 | 9 |
|
|
# +--------+--------+
|
|
|
|
|
|
try:
|
|
import time
|
|
import os
|
|
import logging
|
|
import select
|
|
from sonic_sfp.sfputilbase import SfpUtilBase
|
|
except ImportError as e:
|
|
raise ImportError("%s - required module not found" % str(e))
|
|
|
|
|
|
class SfpUtil(SfpUtilBase):
|
|
"""Platform-specific SfpUtil class"""
|
|
|
|
PORT_START = 0
|
|
PORT_END = 63
|
|
PORTS_IN_BLOCK = 64
|
|
|
|
_port_to_eeprom_mapping = {}
|
|
_port_to_i2c_mapping = {
|
|
0: [6, 18, 34, 50, 66],
|
|
1: [6, 19, 35, 51, 67],
|
|
2: [6, 20, 36, 52, 68],
|
|
3: [6, 21, 37, 53, 69],
|
|
4: [6, 22, 38, 54, 70],
|
|
5: [6, 23, 39, 55, 71],
|
|
6: [6, 24, 40, 56, 72],
|
|
7: [6, 25, 41, 57, 73],
|
|
8: [6, 26, 42, 58, 74],
|
|
9: [6, 27, 43, 59, 75],
|
|
10: [6, 28, 44, 60, 76],
|
|
11: [6, 29, 45, 61, 77],
|
|
12: [6, 30, 46, 62, 78],
|
|
13: [6, 31, 47, 63, 79],
|
|
14: [6, 32, 48, 64, 80],
|
|
15: [6, 33, 49, 65, 81],
|
|
16: [8, 18, 34, 50, 66],
|
|
17: [8, 19, 35, 51, 67],
|
|
18: [8, 20, 36, 52, 68],
|
|
19: [8, 21, 37, 53, 69],
|
|
20: [8, 22, 38, 54, 70],
|
|
21: [8, 23, 39, 55, 71],
|
|
22: [8, 24, 40, 56, 72],
|
|
23: [8, 25, 41, 57, 73],
|
|
24: [8, 26, 42, 58, 74],
|
|
25: [8, 27, 43, 59, 75],
|
|
26: [8, 28, 44, 60, 76],
|
|
27: [8, 29, 45, 61, 77],
|
|
28: [8, 30, 46, 62, 78],
|
|
29: [8, 31, 47, 63, 79],
|
|
30: [8, 32, 48, 64, 80],
|
|
31: [8, 33, 49, 65, 81],
|
|
32: [7, 18, 34, 50, 66],
|
|
33: [7, 19, 35, 51, 67],
|
|
34: [7, 20, 36, 52, 68],
|
|
35: [7, 21, 37, 53, 69],
|
|
36: [7, 22, 38, 54, 70],
|
|
37: [7, 23, 39, 55, 71],
|
|
38: [7, 24, 40, 56, 72],
|
|
39: [7, 25, 41, 57, 73],
|
|
40: [7, 26, 42, 58, 74],
|
|
41: [7, 27, 43, 59, 75],
|
|
42: [7, 28, 44, 60, 76],
|
|
43: [7, 29, 45, 61, 77],
|
|
44: [7, 30, 46, 62, 78],
|
|
45: [7, 31, 47, 63, 79],
|
|
46: [7, 32, 48, 64, 80],
|
|
47: [7, 33, 49, 65, 81],
|
|
48: [9, 18, 34, 50, 66],
|
|
49: [9, 19, 35, 51, 67],
|
|
50: [9, 20, 36, 52, 68],
|
|
51: [9, 21, 37, 53, 69],
|
|
52: [9, 22, 38, 54, 70],
|
|
53: [9, 23, 39, 55, 71],
|
|
54: [9, 24, 40, 56, 72],
|
|
55: [9, 25, 41, 57, 73],
|
|
56: [9, 26, 42, 58, 74],
|
|
57: [9, 27, 43, 59, 75],
|
|
58: [9, 28, 44, 60, 76],
|
|
59: [9, 29, 45, 61, 77],
|
|
60: [9, 30, 46, 62, 78],
|
|
61: [9, 31, 47, 63, 79],
|
|
62: [9, 32, 48, 64, 80],
|
|
63: [9, 33, 49, 65, 81]
|
|
}
|
|
|
|
IOM_1_PORT_START = 0
|
|
IOM_1_PORT_END = 15
|
|
|
|
IOM_2_PORT_START = 16
|
|
IOM_2_PORT_END = 31
|
|
|
|
IOM_3_PORT_START = 32
|
|
IOM_3_PORT_END = 47
|
|
|
|
IOM_4_PORT_START = 48
|
|
IOM_4_PORT_END = 63
|
|
|
|
BASE_VAL_PATH = "/sys/class/i2c-adapter/i2c-{0}/{0}-003e/"
|
|
OIR_FD_PATH = "/sys/devices/platform/dell_ich.0/sci_int_gpio_sus6"
|
|
|
|
oir_fd = -1
|
|
epoll = -1
|
|
|
|
@property
|
|
def port_start(self):
|
|
return self.PORT_START
|
|
|
|
@property
|
|
def port_end(self):
|
|
return self.PORT_END
|
|
|
|
@property
|
|
def qsfp_ports(self):
|
|
return range(0, self.PORTS_IN_BLOCK + 1)
|
|
|
|
@property
|
|
def iom1_port_start(self):
|
|
return self.IOM_1_PORT_START
|
|
|
|
@property
|
|
def iom1_port_end(self):
|
|
return self.IOM_1_PORT_END
|
|
|
|
@property
|
|
def iom2_port_start(self):
|
|
return self.IOM_2_PORT_START
|
|
|
|
@property
|
|
def iom2_port_end(self):
|
|
return self.IOM_2_PORT_END
|
|
|
|
@property
|
|
def iom3_port_start(self):
|
|
return self.IOM_3_PORT_START
|
|
|
|
@property
|
|
def iom3_port_end(self):
|
|
return self.IOM_3_PORT_END
|
|
|
|
@property
|
|
def iom4_port_start(self):
|
|
return self.IOM_4_PORT_START
|
|
|
|
@property
|
|
def iom4_port_end(self):
|
|
return self.IOM_4_PORT_END
|
|
|
|
@property
|
|
def port_to_eeprom_mapping(self):
|
|
return self._port_to_eeprom_mapping
|
|
|
|
@property
|
|
def port_to_i2c_mapping(self):
|
|
return self._port_to_i2c_mapping
|
|
|
|
def __init__(self):
|
|
eeprom_path = "/sys/class/i2c-adapter/i2c-{0}/i2c-{1}/{1}-0050/eeprom"
|
|
global port_to_eeprom_path
|
|
|
|
for port_num in range(0, self.port_end + 1):
|
|
if port_num >= self.iom1_port_start and port_num <=\
|
|
self.iom1_port_end:
|
|
assigned = 0
|
|
# i2c-6
|
|
for x in range(1, 5):
|
|
port_to_eeprom_path = eeprom_path.format(
|
|
self.port_to_i2c_mapping[port_num][0],
|
|
self.port_to_i2c_mapping[port_num][x])
|
|
if (os.path.isfile(port_to_eeprom_path)):
|
|
self.port_to_eeprom_mapping[port_num] =\
|
|
port_to_eeprom_path
|
|
assigned = 1
|
|
elif (not assigned):
|
|
self.port_to_eeprom_mapping[port_num] =\
|
|
"No IOM"
|
|
|
|
elif(port_num >= self.iom2_port_start and
|
|
port_num <= self.iom2_port_end):
|
|
assigned = 0
|
|
# i2c-8
|
|
for x in range(1, 5):
|
|
port_to_eeprom_path = eeprom_path.format(
|
|
self.port_to_i2c_mapping[port_num][0],
|
|
self.port_to_i2c_mapping[port_num][x])
|
|
if (os.path.isfile(port_to_eeprom_path)):
|
|
self.port_to_eeprom_mapping[port_num] =\
|
|
port_to_eeprom_path
|
|
assigned = 1
|
|
elif (not assigned):
|
|
self.port_to_eeprom_mapping[port_num] =\
|
|
"No IOM"
|
|
|
|
elif(port_num >= self.iom3_port_start and port_num <=
|
|
self.iom3_port_end):
|
|
assigned = 0
|
|
# i2c-7
|
|
for x in range(1, 5):
|
|
port_to_eeprom_path = eeprom_path.format(
|
|
self.port_to_i2c_mapping[port_num][0],
|
|
self.port_to_i2c_mapping[port_num][x])
|
|
if (os.path.isfile(port_to_eeprom_path)):
|
|
self.port_to_eeprom_mapping[port_num] =\
|
|
port_to_eeprom_path
|
|
assigned = 1
|
|
elif (not assigned):
|
|
self.port_to_eeprom_mapping[port_num] =\
|
|
"No IOM"
|
|
|
|
elif(port_num >= self.iom4_port_start and port_num <=
|
|
self.iom4_port_end):
|
|
assigned = 0
|
|
# i2c-9
|
|
for x in range(1, 5):
|
|
port_to_eeprom_path = eeprom_path.format(
|
|
self.port_to_i2c_mapping[port_num][0],
|
|
self.port_to_i2c_mapping[port_num][x])
|
|
if (os.path.isfile(port_to_eeprom_path)):
|
|
self.port_to_eeprom_mapping[port_num] =\
|
|
port_to_eeprom_path
|
|
assigned = 1
|
|
elif (not assigned):
|
|
self.port_to_eeprom_mapping[port_num] =\
|
|
"No IOM"
|
|
|
|
SfpUtilBase.__init__(self)
|
|
|
|
def __del__(self):
|
|
if self.oir_fd != -1:
|
|
self.epoll.unregister(self.oir_fd.fileno())
|
|
self.epoll.close()
|
|
self.oir_fd.close()
|
|
|
|
def get_presence(self, port_num):
|
|
|
|
global i2c_line
|
|
|
|
# Check for invalid port_num
|
|
if port_num < self.port_start or port_num > self.port_end:
|
|
return False
|
|
|
|
# port_num and i2c match
|
|
if(port_num >= self.iom1_port_start and port_num <=
|
|
self.iom1_port_end):
|
|
i2c_line = 14
|
|
elif(port_num >= self.iom2_port_start and port_num <=
|
|
self.iom2_port_end):
|
|
i2c_line = 16
|
|
elif(port_num >= self.iom3_port_start and port_num <=
|
|
self.iom3_port_end):
|
|
i2c_line = 15
|
|
elif(port_num >= self.iom4_port_start and port_num <=
|
|
self.iom4_port_end):
|
|
i2c_line = 17
|
|
|
|
try:
|
|
qsfp_path = self.BASE_VAL_PATH.format(i2c_line)+"qsfp_modprs"
|
|
reg_file = open(qsfp_path, "r")
|
|
|
|
except IOError as e:
|
|
print "Error: unable to open file: %s" % str(e)
|
|
return False
|
|
|
|
content = reg_file.readline().rstrip()
|
|
|
|
# Absence of IOM throws read error
|
|
if (content == 'read error'):
|
|
return False
|
|
|
|
# content is a string containing the hex representation of the register
|
|
reg_value = int(content, 16)
|
|
|
|
# Rationalize port settings
|
|
if port_num > 15:
|
|
port_num = port_num % 16
|
|
|
|
# Mask off the bit corresponding to our port
|
|
mask = (1 << port_num)
|
|
|
|
# ModPrsL is active low
|
|
if reg_value & mask == 0:
|
|
return True
|
|
|
|
return False
|
|
|
|
def get_low_power_mode(self, port_num):
|
|
# Check for invalid port_num
|
|
if port_num < self.port_start or port_num > self.port_end:
|
|
return False
|
|
|
|
# port_num and i2c match
|
|
if(port_num >= self.iom1_port_start and port_num <=
|
|
self.iom1_port_end):
|
|
i2c_line = 14
|
|
elif(port_num >= self.iom2_port_start and port_num <=
|
|
self.iom2_port_end):
|
|
i2c_line = 16
|
|
elif(port_num >= self.iom3_port_start and port_num <=
|
|
self.iom3_port_end):
|
|
i2c_line = 15
|
|
elif(port_num >= self.iom4_port_start and port_num <=
|
|
self.iom4_port_end):
|
|
i2c_line = 17
|
|
|
|
try:
|
|
qsfp_path = self.BASE_VAL_PATH.format(i2c_line)+"qsfp_lpmode"
|
|
reg_file = open(qsfp_path, "r")
|
|
|
|
except IOError as e:
|
|
print "Error: unable to open file: %s" % str(e)
|
|
return False
|
|
|
|
content = reg_file.readline().rstrip()
|
|
|
|
# Absence of IOM throws read error
|
|
if (content == 'read error'):
|
|
return False
|
|
|
|
# content is a string containing the hex representation of the register
|
|
reg_value = int(content, 16)
|
|
|
|
# Rationalize port settings
|
|
if port_num > 15:
|
|
port_num = port_num % 16
|
|
|
|
# Mask off the bit corresponding to our port
|
|
mask = (1 << port_num)
|
|
|
|
# LPMode is active high
|
|
if reg_value & mask == 0:
|
|
return False
|
|
|
|
return True
|
|
|
|
def set_low_power_mode(self, port_num, lpmode):
|
|
# Check for invalid port_num
|
|
if port_num < self.port_start or port_num > self.port_end:
|
|
return False
|
|
|
|
# port_num and i2c match
|
|
if(port_num >= self.iom1_port_start and port_num <=
|
|
self.iom1_port_end):
|
|
i2c_line = 14
|
|
elif(port_num >= self.iom2_port_start and port_num <=
|
|
self.iom2_port_end):
|
|
i2c_line = 16
|
|
elif(port_num >= self.iom3_port_start and port_num <=
|
|
self.iom3_port_end):
|
|
i2c_line = 15
|
|
elif(port_num >= self.iom4_port_start and port_num <=
|
|
self.iom4_port_end):
|
|
i2c_line = 17
|
|
|
|
try:
|
|
qsfp_path = self.BASE_VAL_PATH.format(i2c_line)+"qsfp_lpmode"
|
|
reg_file = open(qsfp_path, "r+")
|
|
|
|
except IOError as e:
|
|
print "Error: unable to open file: %s" % str(e)
|
|
return False
|
|
|
|
content = reg_file.readline().rstrip()
|
|
|
|
# Absence of IOM throws read error
|
|
if (content == 'read error'):
|
|
return False
|
|
|
|
# content is a string containing the hex representation of the register
|
|
reg_value = int(content, 16)
|
|
|
|
# Rationalize port settings
|
|
if port_num > 15:
|
|
port_num = port_num % 16
|
|
|
|
# Mask off the bit corresponding to our port
|
|
mask = (1 << port_num)
|
|
|
|
# LPMode is active high; set or clear the bit accordingly
|
|
if lpmode is True:
|
|
reg_value = reg_value | mask
|
|
else:
|
|
reg_value = reg_value & ~mask
|
|
|
|
# Convert our register value back to a hex string and write back
|
|
content = hex(reg_value)
|
|
|
|
reg_file.seek(0)
|
|
reg_file.write(content)
|
|
reg_file.close()
|
|
|
|
return True
|
|
|
|
def reset(self, port_num):
|
|
|
|
global i2c_line
|
|
|
|
# Check for invalid port_num
|
|
if port_num < self.port_start or port_num > self.port_end:
|
|
return False
|
|
|
|
# port_num and i2c match
|
|
if(port_num >= self.iom1_port_start and port_num <=
|
|
self.iom1_port_end):
|
|
i2c_line = 14
|
|
elif(port_num >= self.iom2_port_start and port_num <=
|
|
self.iom2_port_end):
|
|
i2c_line = 16
|
|
elif(port_num >= self.iom3_port_start and port_num <=
|
|
self.iom3_port_end):
|
|
i2c_line = 15
|
|
elif(port_num >= self.iom4_port_start and port_num <=
|
|
self.iom4_port_end):
|
|
i2c_line = 17
|
|
|
|
try:
|
|
qsfp_path = self.BASE_VAL_PATH.format(i2c_line)+"qsfp_lpmode"
|
|
reg_file = open(qsfp_path, "r+")
|
|
|
|
except IOError as e:
|
|
print "Error: unable to open file: %s" % str(e)
|
|
return False
|
|
|
|
content = reg_file.readline().rstrip()
|
|
|
|
# Absence of IOM throws read error
|
|
if (content == 'read error'):
|
|
print("it's empty")
|
|
return False
|
|
|
|
# File content is a string containing the hex representation
|
|
# of the register
|
|
reg_value = int(content, 16)
|
|
|
|
# Rationalize port settings
|
|
if port_num > 15:
|
|
port_num = port_num % 16
|
|
|
|
# Mask off the bit corresponding to our port
|
|
mask = (1 << port_num)
|
|
|
|
# ResetL is active low
|
|
reg_value = reg_value & ~mask
|
|
|
|
# Convert our register value back to a hex string and write back
|
|
reg_file.seek(0)
|
|
reg_file.write(hex(reg_value))
|
|
reg_file.close()
|
|
|
|
# Sleep 1 second to allow it to settle
|
|
time.sleep(1)
|
|
|
|
# Flip the bit back high and write back to the register to take port
|
|
# out of reset
|
|
try:
|
|
qsfp_path = self.BASE_VAL_PATH.format(i2c_line)+"qsfp_lpmode"
|
|
reg_file = open(qsfp_path, "w")
|
|
|
|
except IOError as e:
|
|
print "Error: unable to open file: %s" % str(e)
|
|
return False
|
|
|
|
reg_value = reg_value | mask
|
|
reg_file.seek(0)
|
|
reg_file.write(hex(reg_value))
|
|
reg_file.close()
|
|
|
|
return True
|
|
|
|
def get_register(self, reg_file):
|
|
retval = 'ERR'
|
|
|
|
if (not os.path.isfile(reg_file)):
|
|
print reg_file, 'not found !'
|
|
return retval
|
|
|
|
try:
|
|
with open(reg_file, 'r') as fd:
|
|
retval = fd.read()
|
|
except Exception as error:
|
|
logging.error("Unable to open ", reg_file, "file !")
|
|
|
|
retval = retval.rstrip('\r\n')
|
|
retval = retval.lstrip(" ")
|
|
return retval
|
|
|
|
def check_interrupts(self, port_dict):
|
|
retval = 0
|
|
is_port_dict_updated = False
|
|
|
|
# Read the QSFP ABS interrupt & status registers
|
|
cpld2_abs_int = self.get_register(
|
|
"/sys/class/i2c-adapter/i2c-14/14-003e/qsfp_abs_int")
|
|
cpld2_abs_sta = self.get_register(
|
|
"/sys/class/i2c-adapter/i2c-14/14-003e/qsfp_abs_sta")
|
|
cpld3_abs_int = self.get_register(
|
|
"/sys/class/i2c-adapter/i2c-15/15-003e/qsfp_abs_int")
|
|
cpld3_abs_sta = self.get_register(
|
|
"/sys/class/i2c-adapter/i2c-15/15-003e/qsfp_abs_sta")
|
|
cpld4_abs_int = self.get_register(
|
|
"/sys/class/i2c-adapter/i2c-16/16-003e/qsfp_abs_int")
|
|
cpld4_abs_sta = self.get_register(
|
|
"/sys/class/i2c-adapter/i2c-16/16-003e/qsfp_abs_sta")
|
|
cpld5_abs_int = self.get_register(
|
|
"/sys/class/i2c-adapter/i2c-17/17-003e/qsfp_abs_int")
|
|
cpld5_abs_sta = self.get_register(
|
|
"/sys/class/i2c-adapter/i2c-17/17-003e/qsfp_abs_sta")
|
|
|
|
if (cpld2_abs_int == 'ERR' or cpld2_abs_sta == 'ERR' or
|
|
cpld3_abs_int == 'ERR' or cpld3_abs_sta == 'ERR' or
|
|
cpld4_abs_int == 'ERR' or cpld4_abs_sta == 'ERR' or
|
|
cpld5_abs_int == 'ERR' or cpld5_abs_sta == 'ERR'):
|
|
return -1
|
|
|
|
# If IOM is not present, interrupt will return 'read error'
|
|
# Handle the scenario gracefully
|
|
if (cpld2_abs_int == 'read error'):
|
|
cpld2_abs_int = "0x0"
|
|
cpld2_abs_sta = "0x0"
|
|
if (cpld3_abs_int == 'read error'):
|
|
cpld3_abs_int = "0x0"
|
|
cpld3_abs_sta = "0x0"
|
|
if (cpld4_abs_int == 'read error'):
|
|
cpld4_abs_int = "0x0"
|
|
cpld4_abs_sta = "0x0"
|
|
if (cpld5_abs_int == 'read error'):
|
|
cpld5_abs_int = "0x0"
|
|
cpld5_abs_sta = "0x0"
|
|
|
|
cpld2_abs_int = int(cpld2_abs_int, 16)
|
|
cpld2_abs_sta = int(cpld2_abs_sta, 16)
|
|
cpld3_abs_int = int(cpld3_abs_int, 16)
|
|
cpld3_abs_sta = int(cpld3_abs_sta, 16)
|
|
cpld4_abs_int = int(cpld4_abs_int, 16)
|
|
cpld4_abs_sta = int(cpld4_abs_sta, 16)
|
|
cpld5_abs_int = int(cpld5_abs_int, 16)
|
|
cpld5_abs_sta = int(cpld5_abs_sta, 16)
|
|
|
|
# Make it contiguous
|
|
interrupt_reg = (cpld2_abs_int & 0xffff) | \
|
|
((cpld4_abs_int & 0xffff) << 16) | \
|
|
((cpld3_abs_int & 0xffff) << 32) | \
|
|
((cpld5_abs_int & 0xffff) << 48)
|
|
status_reg = (cpld2_abs_sta & 0xffff) | \
|
|
((cpld4_abs_sta & 0xffff) << 16) | \
|
|
((cpld3_abs_sta & 0xffff) << 32) | \
|
|
((cpld5_abs_sta & 0xffff) << 48)
|
|
|
|
port = self.port_start
|
|
while port <= self.port_end:
|
|
if interrupt_reg & (1 << port):
|
|
# update only if atleast one port has generated
|
|
# interrupt
|
|
is_port_dict_updated = True
|
|
if status_reg & (1 << port):
|
|
# status reg 1 => optics is removed
|
|
port_dict[port] = '0'
|
|
else:
|
|
# status reg 0 => optics is inserted
|
|
port_dict[port] = '1'
|
|
port += 1
|
|
return retval, is_port_dict_updated
|
|
|
|
def get_transceiver_change_event(self, timeout=0):
|
|
port_dict = {}
|
|
try:
|
|
# We get notified when there is an SCI interrupt from GPIO SUS6
|
|
# Open the sysfs file and register the epoll object
|
|
self.oir_fd = open(self.OIR_FD_PATH, "r")
|
|
if self.oir_fd != -1:
|
|
# Do a dummy read before epoll register
|
|
self.oir_fd.read()
|
|
self.epoll = select.epoll()
|
|
self.epoll.register(self.oir_fd.fileno(),
|
|
select.EPOLLIN & select.EPOLLET)
|
|
else:
|
|
print("get_transceiver_change_event : unable to create fd")
|
|
return False, {}
|
|
|
|
# Check for missed interrupts by invoking self.check_interrupts
|
|
# which will update the port_dict.
|
|
while True:
|
|
interrupt_count_start = self.get_register(self.OIR_FD_PATH)
|
|
|
|
retval, is_port_dict_updated = \
|
|
self.check_interrupts(port_dict)
|
|
if ((retval == 0) and (is_port_dict_updated is True)):
|
|
return True, port_dict
|
|
|
|
interrupt_count_end = self.get_register(self.OIR_FD_PATH)
|
|
|
|
if (interrupt_count_start == 'ERR' or
|
|
interrupt_count_end == 'ERR'):
|
|
print("get_transceiver_change_event : \
|
|
unable to retrive interrupt count")
|
|
break
|
|
|
|
# check_interrupts() itself may take upto 100s of msecs.
|
|
# We detect a missed interrupt based on the count
|
|
if interrupt_count_start == interrupt_count_end:
|
|
break
|
|
|
|
# Block until an xcvr is inserted or removed with timeout = -1
|
|
events = self.epoll.poll(
|
|
timeout=timeout if timeout != 0 else -1)
|
|
if events:
|
|
# check interrupts and return the port_dict
|
|
retval, is_port_dict_updated = \
|
|
self.check_interrupts(port_dict)
|
|
if (retval != 0):
|
|
return False, {}
|
|
|
|
return True, port_dict
|
|
except:
|
|
return False, {}
|
|
finally:
|
|
if self.oir_fd != -1:
|
|
self.epoll.unregister(self.oir_fd.fileno())
|
|
self.epoll.close()
|
|
self.oir_fd.close()
|
|
self.oir_fd = -1
|
|
self.epoll = -1
|
|
|
|
return False, {}
|
|
|