df89f6dcb6
#### Why I did it - The xcvrd service requires an event detection function, unplug or plug in the transceiver. #### How I did it - Add sysfs interrupt to notify userspace app of external interrupt - Implement get_change_event() in chassis api. - Also begin installing Python 3 sonic-platform package for Celestica platforms
134 lines
3.9 KiB
Python
134 lines
3.9 KiB
Python
import os
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import struct
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import subprocess
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from mmap import *
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from sonic_py_common import device_info
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HOST_CHK_CMD = "docker > /dev/null 2>&1"
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EMPTY_STRING = ""
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class APIHelper():
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def __init__(self):
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(self.platform, self.hwsku) = device_info.get_platform_and_hwsku()
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def is_host(self):
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return os.system(HOST_CHK_CMD) == 0
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def pci_get_value(self, resource, offset):
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status = True
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result = ""
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try:
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fd = os.open(resource, os.O_RDWR)
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mm = mmap(fd, 0)
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mm.seek(int(offset))
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read_data_stream = mm.read(4)
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result = struct.unpack('I', read_data_stream)
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except Exception:
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status = False
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return status, result
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def run_command(self, cmd):
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status = True
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result = ""
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try:
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p = subprocess.Popen(
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cmd, shell=True, universal_newlines=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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raw_data, err = p.communicate()
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if err == '':
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result = raw_data.strip()
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except Exception:
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status = False
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return status, result
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def run_interactive_command(self, cmd):
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try:
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os.system(cmd)
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except Exception:
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return False
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return True
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def read_txt_file(self, file_path):
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try:
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with open(file_path, 'r') as fd:
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data = fd.read()
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return data.strip()
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except IOError:
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pass
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return None
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def read_one_line_file(self, file_path):
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try:
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with open(file_path, 'r') as fd:
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data = fd.readline()
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return data.strip()
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except IOError:
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pass
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return None
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def write_txt_file(self, file_path, value):
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try:
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with open(file_path, 'w') as fd:
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fd.write(str(value))
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except Exception:
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return False
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return True
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def get_cpld_reg_value(self, getreg_path, register):
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cmd = "echo {1} > {0}; cat {0}".format(getreg_path, register)
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status, result = self.run_command(cmd)
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return result if status else None
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def ipmi_raw(self, netfn, cmd):
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status = True
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result = ""
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try:
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cmd = "ipmitool raw {} {}".format(str(netfn), str(cmd))
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p = subprocess.Popen(
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cmd, shell=True, universal_newlines=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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raw_data, err = p.communicate()
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if err == '':
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result = raw_data.strip()
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else:
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status = False
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except Exception:
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status = False
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return status, result
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def ipmi_fru_id(self, id, key=None):
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status = True
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result = ""
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try:
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cmd = "ipmitool fru print {}".format(str(
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id)) if not key else "ipmitool fru print {0} | grep '{1}' ".format(str(id), str(key))
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p = subprocess.Popen(
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cmd, shell=True, universal_newlines=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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raw_data, err = p.communicate()
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if err == '':
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result = raw_data.strip()
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else:
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status = False
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except Exception:
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status = False
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return status, result
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def ipmi_set_ss_thres(self, id, threshold_key, value):
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status = True
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result = ""
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try:
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cmd = "ipmitool sensor thresh '{}' {} {}".format(
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str(id), str(threshold_key), str(value))
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p = subprocess.Popen(
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cmd, shell=True, universal_newlines=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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raw_data, err = p.communicate()
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if err == '':
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result = raw_data.strip()
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else:
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status = False
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except Exception:
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status = False
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return status, result
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