网站联系方式连接怎么做,用dedecms织梦做中英文网站,网站优化公司排名,网站建设推广人员文章目录 1.闭包和装饰器#xff1a;函数里return就是闭包2.解析eeprom#xff1a;如下是二进制文件#xff0c;C8是一个字节3.json/configparser/optparse#xff1a;json.dumps#xff08;将字典转化为字符串#xff0c;将json信息写进文件#xff09;#xff0c;jso… 文章目录 1.闭包和装饰器函数里return就是闭包2.解析eeprom如下是二进制文件C8是一个字节3.json/configparser/optparsejson.dumps将字典转化为字符串将json信息写进文件json.loads将字符串转化为字典4.map[]列表 , ()元组 , {}集合 , {a:b}字典。for else中break后不走else5.walk/split/getattr/bin/lspci/ethtoolbin转为二进制0b...re.compile 1.闭包和装饰器函数里return就是闭包 如下打印第一行是我在~。
2.解析eeprom如下是二进制文件C8是一个字节 如下5x442x432。
# tlv_tool.py
#!/usr/bin/env python3
# -*- encoding: utf-8 -*-
import sys
import struct
import os
import time
import json
import subprocess
import binascii
from os.path import dirname, abspath# a.py
# import json, os
# print(json.__file__) # /usr/lib/python3.8/json/__init__.py
# print(os.path.abspath(__file__)) # /home/y/utool/a.py
# print(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))) # /home/ysys.path.append(dirname(dirname(abspath(__file__)))) #当前tlv_tool.py文件所在绝对路径的文件夹的上级文件夹
Project_path dirname(abspath(__file__)) #获取所在路径文件夹
Conf_path {}/tlv_conf.json.format(Project_path)def ParseJson(filenameConf_path):with open(filename, r) as f:jdata json.load(f)return jdata
tlv_json ParseJson()
tlv_reg_path tlv_json[tlv_reg_path]
tlv_eeprom_path tlv_json[tlv_eeprom_path]def run_command(cmd):proc subprocess.Popen(cmd, shellTrue, stdoutsubprocess.PIPE, stderrsubprocess.PIPE)out, err proc.communicate()if err and proc.returncode ! 0:return errreturn out.decode()# def write_reg(fpath, reg, data):
# if os.getcwd() ! fpath:
# if os.path.exists(fpath) False or os.chdir(fpath) False:
# return file Not exists or file Not accessible
# if run_command(echo {} {} setreg.format(reg, data)) ! 0:
# return write fail
# return 0# def read_reg(fpath, reg):
# if os.getcwd() ! fpath:
# if os.path.exists(fpath) False or os.chdir(fpath) False:
# return file Not exists or file Not accessible
# if run_command(echo {} getreg.format(reg)) ! :
# return echo reg fail
# return run_command(cat getreg).strip()def crc2hex(crc):return 0x{:08X}.format(binascii.crc32(crc)) #取crc32的八位数据 %x返回16进制摘要算法def unlock_tlv_eeprom(path,reg,data 0x0): # unlock_tlv_eeprom(tlv_reg_path,0x06) #0x06寄存器eeprom写保护if os.getcwd() ! path:if os.path.exists(path) False or os.chdir(path) False:return file Not exists or file Not accessibleif run_command(echo {} {} setreg.format(reg, data)) ! 0:return write failif run_command(echo {} getreg.format(reg)) ! :return echo reg failoutput run_command(cat getreg).strip()print(set reg {} value: {}.format(reg,output))if output data:print(Unlock tlv eeprom success!) # 0x0return Trueprint(Unlock tlv eeprom fail!)return Falsedef tlv_read_eeprom(path,lengthNone,offsetNone): # tlv_read_eeprom(tlv_eeprom_path,length)with open({}eeprom.format(path),mode rb) as f:return f.read(length)def tlv_read_length():with open({}eeprom.format(tlv_eeprom_path),mode rb) as f:tlv_header_length char[8] u8 u16tlv_header_length 11tlv_signature , tlv_version , tlv_totallen struct.unpack(!8sBH, f.read(tlv_header_length)) #读11字节return tlv_header_length tlv_totallendef tlv_dump(args): #读出eeprom信息写到tlv_dump.bin文件length tlv_read_length()data tlv_read_eeprom(tlv_eeprom_path,length)try:file_name args[2]except IndexError:file_name tlv_dump.binwith open(file_name,mode wb) as f:# print(data)# print(len(data))f.write(data) f.flush() print(Dump tlv data finish!)tlv_type_dirt {0x21 : Product Name, 0x22 : Part Number, 0x23 : Serial Number, 0x24 : Base MAC Address, 0x25 : Manufacture Date,0x26 : Device Version, 0x27 : Label Revision, 0x28 : Platform Name, 0x29 : ONIE Version, 0x2A : MAC Address Size, 0x2B : Manufacturer, 0x2C : Country Code,0x2D : Vendor Name,0x2E : Diag Version,0x2F : Service Tag,0xFD : Vendor Extension,0xFE : CRC-32
}def tlv_write(args):with open(args[2],mode rb) as f:data f.read()if unlock_tlv_eeprom(tlv_reg_path,0x06):with open({}eeprom.format(tlv_eeprom_path),mode rb) as f:f.write(data)f.flush()print(Write tlv data finish!)def tlv_read(args):if len(args) 3 and .bin in args[2]:path args[2]else:path {}eeprom.format(tlv_eeprom_path)with open(path,mode rb) as f:tlv_header_length char[8] u8 u16tlv_header_length 11tlv_signature , tlv_version , tlv_totallen struct.unpack(!8sBH, f.read(tlv_header_length))print(TlvInfo Header:)print( Id String : {}.format(tlv_signature.decode().strip()))print( Version : {}.format(tlv_version))print( Total Length : {}.format(tlv_totallen))data_header_length u8 u8print(TLV Name Code Len Value)print(--------------------------------)data_header_length 2length_cnt 0stored_crc Nonewhile length_cnt tlv_totallen :data_type , data_length struct.unpack(!BB, f.read(data_header_length))length_cnt data_header_length data_lengthif (data_type in tlv_type_dirt.keys()):passelse:continueif tlv_type_dirt[data_type] Base MAC Address:if data_length 6:mac0,mac1,mac2,mac3,mac4,mac5 struct.unpack(!BBBBBB, f.read(data_length))data {:02X}:{:02X}:{:02X}:{:02X}:{:02X}:{:02X}.format(mac0,mac1,mac2,mac3,mac4,mac5)else:print(Base MAC Address Error Length {}!.format(data_length))exitelif tlv_type_dirt[data_type] Device Version:if data_length 1:data struct.unpack(!B, f.read(data_length))data data[0]else:print(Device Version Error Length {}!.format(data_length))exitelif tlv_type_dirt[data_type] MAC Address Size:if data_length 2:byte0,byte1 struct.unpack(!BB, f.read(data_length))data (byte0 8) | byte1else:print(MAC Address Size Error Length {}!.format(data_length))exitelif tlv_type_dirt[data_type] Vendor Extension:if data_length 0:vendor_cmd !for index in range(data_length):vendor_cmd Bbyte_tuple struct.unpack(vendor_cmd, f.read(data_length))data for byte in byte_tuple:data 0x{:02X} .format(byte)else:data NULLelif tlv_type_dirt[data_type] CRC-32:if data_length 4:crc0,crc1,crc2,crc3 struct.unpack(!BBBB, f.read(data_length))data 0x{:02X}{:02X}{:02X}{:02X}.format(crc0,crc1,crc2,crc3)stored_crc eval(data)else:print(CRC Error Length {}!.format(data_length))exitelse:if data_length 0:data struct.unpack(!{}s.format(data_length), f.read(data_length))data data[0].decode().strip()else:# data None# data data NULLprint({:16} 0x{:x} {:3} : {}.format(tlv_type_dirt[data_type],data_type,data_length,data))if stored_crc ! None:f.seek(0,0)crc_data f.read(tlv_header_length tlv_totallen - 4)# print(crc_data)calc_crc eval(crc2hex(crc_data))if calc_crc stored_crc:print(Checksum is valid)else:print(Checksum is invalid)else:print(No Checksum Data)def tlv_update(args):try:file_name args[2]except IndexError:file_name Nonetlv_data tlv_json[tlv_data]tlv_header_length char[8] u8 u16tlv_signature tlv_json[tlv_signature].encode()if len(tlv_signature) 8:print(tlv signature length out off range !!!)exitwhile len(tlv_signature) 8:tlv_signature b\x00tlv_version tlv_json[tlv_version].to_bytes(1,big)tlv_totallen 0x00data_list [] #一般都在for上面定义一个空列表for item in tlv_type_dirt:title tlv_type_dirt[item].replace( ,_)if (title in tlv_data.keys()):passelse:if tlv_type_dirt[item] Manufacture Date:passelse:continueif tlv_type_dirt[item] Base MAC Address:mac_list tlv_data[title].split(:)mac_code bfor mac_item in mac_list:mac_code eval(0x{}.format(mac_item)).to_bytes(1,big)data mac_codeelif tlv_type_dirt[item] Manufacture Date:data time.strftime(%d-%m-%Y %H:%M:%S, time.localtime()).encode()elif tlv_type_dirt[item] Device Version:data tlv_data[title].to_bytes(1,big)elif tlv_type_dirt[item] MAC Address Size:data tlv_data[title].to_bytes(2,big)elif tlv_type_dirt[item] Vendor Extension:vendor_list tlv_data[title].split()vendor_code bfor vendor_item in vendor_list:vendor_code eval(vendor_item).to_bytes(1,big)data vendor_codeelse:data tlv_data[title]if data ! None and data ! :data data.encode()else:data btype_code item.to_bytes(1,big)len_code len(data).to_bytes(1,big)data_str type_code len_code datadata_list.append(data_str) ##################for item in data_list:tlv_totallen len(item)tlv_totallen add crc data str lengthtlv_totallen (tlv_totallen 6).to_bytes(2,big)tlv_final_data tlv_signature tlv_version tlv_totallenfor data_item in data_list:tlv_final_data data_itemadd crc data header and lengthtlv_final_data (0xFE).to_bytes(1,big) (0x04).to_bytes(1,big)add crc datacrc_data eval(crc2hex(tlv_final_data)).to_bytes(4,big)tlv_final_data crc_data# print(tlv_final_data)if file_name None:if unlock_tlv_eeprom(tlv_reg_path,0x84):with open({}eeprom.format(tlv_eeprom_path),mode rb) as f:f.write(tlv_final_data)f.flush()print(update tlv data finish!)else:with open(file_name,mode wb) as f:f.write(tlv_final_data) f.flush()print(update tlv data bin finish!)def read_help(args):print(usage: {} [OPTIONS].format(args[0]))print(Options are:)print( -w --write write tlv bin to eeprom)print( -d --dump dump tlv bin from eeprom)print( -r --read read tlv data from eeprom)print( -u --update update tlv data to eeprom or create new tlv bin)print( -h --help Display this help text and exit)print(Example:)print( --write bin name)print( --dump bin name)print( --update bin name)print( just create tlv bin , but not update tlv data)print( --update)print( just update tlv data , but not create tlv bin)print( --read)op {--write : tlv_write,--dump : tlv_dump,--read : tlv_read,--update : tlv_update,--help : read_help,-w : tlv_write,-d : tlv_dump,-r : tlv_read,-u : tlv_update,-h : read_help,
}if __name__ __main__:if len(sys.argv) 1:read_help(sys.argv)else: op.get(sys.argv[1], read_help)(sys.argv)// tlv_conf.json
{tlv_reg_path : /sys/bus/platform/devices/hq_switch/cpld_lc/,tlv_eeprom_path : /sys/bus/i2c/devices/0-0056/,tlv_signature: TlvInfo,tlv_version: 1, tlv_data: {Product_Name: ZSR551, Part_Number: ZSR551, Serial_Number: SN number, Base_MAC_Address: 00:E0:EC:00:00:00, Device_Version: 1, Label_Revision: ZSR551, Platform_Name: x86_64-ZSR551-r0, ONIE_Version: 0.0.1, MAC_Address_Size: 260, Manufacturer: None, Country_Code: CHN,Vendor_Name: None,Diag_Version: 1.4.0,Service_Tag: LB,Vendor_Extension: 0x00 0x00 0x00}
}3.json/configparser/optparsejson.dumps将字典转化为字符串将json信息写进文件json.loads将字符串转化为字典
#!/usr/bin/python3
# -*- coding: utf-8 -*-
import json# dict1 {age: 12} # type dict
# json_info json.dumps(dict1)
# print(通过json.dumps()函数处理json_info的类型str(type(json_info))) # type str
# print(json_info) # {age: 12}json_info {age: 12} # type str
dict1 json.loads(json_info)
print(通过json.loads()函数处理dict1的类型str(type(dict1))) # type dict
print(dict1) # {uage: u12} # uunicode中文显示# json_info {age: 12}
# file open(1.json,w)
# json.dump(json_info,file) #生成1.json里面内容为 {age: 12}win下.ini多。
# codingUTF-8code
import os
import jsondef d():info_list [a,b,c,d,e,f,g,h,i]split_list [info_list[i:i4] for i in range(0, len(info_list), 4)]print(split_list) # [[a, b, c, d], [e, f, g, h], [i]]x set(runoob)print(x) # set([b, r, u, o, n])print(len(x)) # 5i2clist{2:port 1 SFP,3:port 2 SFP,4:port 3 SFP,5:port 4 SFP
}
def e():for i in i2clist:print(i) # 3 2 5 4def search_dir_by_name(name, dir):result []try:files os.listdir(dir)for file in files:if name in file:result.append(os.path.join(dir, file))except Exception as e:passreturn resultdir /sys/block/
spect sd
ssdpath []
# /sys/block/sd* remove1 sda fdisk | grep sda 有/dev/sda , 没有的话只有sda, 拼接/dev/sda
if __name__ __main__:result search_dir_by_name(spect, dir)#print(result) #[/sys/block/sdd, /sys/block/sdb, /sys/block/sde, /sys/block/sdc, /sys/block/sda]for item in result:with open(os.path.join(item, removable), r) as fd:#print(item) # /sys/block/sde#print(os.path.join(item, removable)) # /sys/block/sde/removable#print(fd.read()) #0或1 # SyntaxError: Non-ASCII character \xe6 加#codingUTF-8codevalue fd.read()if value.strip() 0: # found ssd #去除1ssd_disk /dev/ os.path.basename(item) #ssd_disk/dev/sda .../dev/sddssdpath.append(ssd_disk)4.map[]列表 , ()元组 , {}集合 , {a:b}字典。for else中break后不走else
python中NoneFalse空字符串0空列表[]空字典{}空元组()都相当于False。 cpu和switch连着中间有一个nic卡mellanox或e810switch连着外面的光模块。fpga一端连着cpu一端连着switchfpga的eeprom存指令控制switch。
前面板前36个是loopback光模块插DAC线或光纤lookpack内部TX和RX接在一起37-64网口是fpga和nic卡, 61和62-mellax 100G(100G无4个lan) e810 25G。traffic外部loocpackcpu发包cpu收包。
fpga 100g : cpu - fpga - switch - loopback - switch - fpga。
fpga 25g : fpga - switch。layout只fpga1个fpga有8个pcie设备pf1个pcie设备有16个通道。如下25G有4个lan。 def stop_all(self, bdf_lst, bar, port, channel) 。如下self. 默认第一个参数有self。
5.walk/split/getattr/bin/lspci/ethtoolbin转为二进制0b…re.compile
# b.py
import os
import json
import sysdef seek_file(path, name):fullpath Nonefor root, dirs, files in os.walk(path):if name in files:fullpath {0}/{1}.format(root, name)breakreturn fullpathif len(sys.argv)3:print(sys.argv[1],sys.argv[2])pathseek_file(sys.argv[1],sys.argv[2])print(path)
else:print(len(sys.argv),err)rootbmc-oob:~# python b.py /sys/bus/i2c/devices/26-0048 in3_input
/sys/bus/i2c/devices/26-0048 in3_input
/sys/bus/i2c/devices/26-0048/hwmon/hwmon4/in3_inputdef get_baseboard_sku():try:proc subprocess.Popen([IPMITOOL_PATH, raw, 0x3a, 0x10, 9, 0x1a, 1, 0x12],stdoutsubprocess.PIPE,shellFalse,stderrsubprocess.STDOUT) # proc返回20stdout proc.communicate()[0] # b 20\nproc.wait()sku_str stdout.decode() # 20sku_bin bin(int(0x sku_str.strip(), 16))[-5:] # 0x20十六进制 32十进制 bin(32) 0b100000sku_dict {00001 : ns35x,00010 : ns34x,00100 : ns33x,01000 : ns32x,10000 : ns31x}sku sku_dict.get(sku_bin, )except OSError as e:raise OSError(Cannot detect platform)return skuoutput remote.command(sol.sh, time10, expect_list[-----------------------------------])
output1 remote.command(\x15\x12\x14\x33, currentTrue, expect_listexpect_list)
output2 remote.command(\r\n, currentTrue, expect_listexpect_list)
if bmc-oob in output1 or bmc-oob in output2:emmc_info_cmd mmc cid read /sys/block/mmcblk0/device
emmc_size_cmd cat /sys/block/mmcblk0/sizedef bmc_ping_cpu_test(self, also_print_consoleFalse):count 5ping_cmd ping %s -c %d | grep received % (self.bmc_login[ip], count)status, output run_command(ping_cmd)self.logger.log_info(output, also_print_console)if output.find( 0% packet loss) 0:ret E.OKelse:self.fail_reason.append(cpu ping server lost packages)ret E.EMGMT11002return retbmc_ddr_name_cmd cat /proc/meminfo | awk {print $1}
bmc_emmc_show_cmd fdisk -l | grep /dev/mmcblk0
bmc_emmc_stress_test_cmd touch /var/log/emmc.test ; \echo emmc read stress test ; \(time dd if/dev/mmcblk0 of/dev/null bs1M count10 sync) /var/log/emmc.log ; echo ; \echo emmc write stress test ; \(time dd if/dev/zero of/var/log/emmc.test bs1M count10 sync) /var/log/emmc.log ; \rm /var/log/emmc.testdef str_to_hex(self, s): # 把字符串转化为对应的16进制串return .join([hex(ord(c)).replace(0x, ) for c in s])def hex_to_str(self, s):return .join([chr(i) for i in [int(b, 16) for b in s.split( )]])# def str2bin(s): # bin二进制
# return .join([bin(ord(c)).replace(0b, ) for c in s])# def bin2str(s):
# return .join([chr(i) for i in [int(b, 2) for b in s.split( )]])def replace_char(self, string, char, index):string list(string)string[index] charreturn .join(string)def modify_profile(self, also_print_consoleTrue):ret, Before_mac self.get_mac_address_from_tlv_eeprom(also_print_console)if ret ! E.OK:return retAfter_mac Before_mac # 00E0EC000000for i in range(11, -1, -1): # 从11到0 (竖着打印) , 12个(相当于索引)last After_mac[i] # 从右向左单个遍历if last F:After_mac self.replace_char(After_mac, 0, i)continueelse:last self.str_to_hex(last) # 字符0转为ascii码48再转为十六进制0x30即30last int(last) int(self.offset[offset][bmc_offset])last str(last)last self.hex_to_str(last) # 函数里有split所以last必须为str类型After_mac self.replace_char(After_mac, last, i) # After_mac EFFFFFFFFFFF , 因为下行break只打印出一行F00000000000breaksign 0os.chdir(self.hwsku_path)with open(fru.ini, r) as f:lines []for line in f.readlines():if line ! \n:lines.append(line)f.close()with open(fru.ini, w) as f:for line in lines:if bmc_base_mac_address in line:if sign 1:f.write(%s % line)continueline bmc_base_mac_addressAfter_macf.write(%s\n %line)sign 1else:f.write(%s %line)return After_macgpio:{gpio504:{ # cpu的gpio504pin:GPIO8, # cpld的gpio8net:CTC7132_CPLD_JTAG_EN # cpld的gpio8的备注作用使能},gpio505:{pin:GPIO9,net:CTC7132_CPLD_JTAG_TCK_R # 时钟},gpio506:{pin:GPIO10,net:CTC7132_CPLD_JTAG_TMS_R},gpio507:{pin:GPIO11,net:CTC7132_CPLD_JTAG_TDI_R # 数据输入},gpio508:{pin:GPIO12,net:CTC7132_CPLD_JTAG_TDO # 数据输出}
}# rootlocalhost:~# lspci -nnn -s 07:00.0 07:00.0是fpga的bus号fpga是pcie设备
# 07:00.0 Memory controller [0580]: Xilinx Corporation Device [10ee:7021]# rootlocalhost:~# lspci -vvv -s 07:00.0 devmem 0xfb800000 8
# Region 0: Memory at fb800000 (32-bit, non-prefetchable) [size4M]pcie:{X552:{ ######### devicewidth:x1,speed:2.5GT/s,num:4}
},def _get_bus_dev_func(self, device): ######### device就是X552bus_dev_func []ret, out run_command(lspci | grep {}.format(device))for line in out.splitlines():if re.search([0-9a-f]{2}\:[0-9a-f]{2}\.[0-9a-f]{1}, line):bus_dev_func.append(re.findall([0-9a-f]{2}\:[0-9a-f]{2}\.[0-9a-f]{1}, line)[0])else:bus_dev_func.append(None)return bus_dev_funcdef _get_device_conf(self, busid): ######### 遍历bus_dev_func中busidret, output run_command(lspci -s {} -vvv | grep -i LnkSta | grep Speed.format(busid))if ret or output :return , else:speed output.strip( \t\n).split(,)[0].split(Speed)[1].strip()width output.strip( \t\n).split(,)[1].split(Width)[1].strip()return speed, widthethtool 网卡名 查看网卡速率全双工
ethtool -s ethX [speed 10|100|1000] [duplex half|full] [autoneg on|off]
设置网口速率 10/100/1000M 设置网口半/全双工 设置网口是否自协商test_help_list [Please check if psu status is correct,1.correct,2.wrong,]
for item in self.test_help_list:self.logger.log_info(item, True)
choice str(input(Please input 1 or 2: ))
value re.compile(r^[-]?[0-9]$)
result value.match(choice)
if result:if int(choice) 1:elif int(choice) 2:else:def search_speed(self, speed):time.sleep(5)sta, out run_command(ethtool eth0)pattern \sSpeed: (.*)\sresult re.findall(pattern, out)[0]if result ! speed:return Falseelse:return Truedef rj45_led_test(self, also_print_consoleFalse):ret E.EFAILself.logger.log_info([RJ45 LED BLINK TEST]:, also_print_console)speed_list [10, 100, 1000]for speed in speed_list:cmd ethtool -s eth0 autoneg off speed {} duplex fullif speed 1000:cmd ethtool -s eth0 autoneg on speed {} duplex full.format(speed)else:cmd ethtool -s eth0 autoneg off speed {} duplex full.format(speed)run_command(cmd)if not self.search_speed({}Mb/s.format(speed)):ret E.EFAILself.fail_reason(set eth0 speed fail.)self.logger.log_err(FAIL., also_print_console)return retself.logger.log_info(current eth0 speed is {}Mb/s, start ping test....format(speed), also_print_console)run_command(ping -c 20 -I eth0 {}.format(self.external_ip))choice input(please confirm rj45 led whether blink(1 is pass, 2 is fail):)if int(choice) 2:ret E.ELED14010self.fail_reason.append(rj45 led fault)self.logger.log_err(FAIL., also_print_console)return retelif int(choice) 1:continue
