LibreQoS/LibreQoS.py
2020-10-02 18:00:37 -06:00

226 lines
11 KiB
Python

# Copyright (C) 2020 Robert Chacón
# This file is part of LibreQoS.
#
# LibreQoS 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, either version 2 of the License, or
# (at your option) any later version.
#
# LibreQoS 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 LibreQoS. If not, see <http://www.gnu.org/licenses/>.
#
# _ _ _ ___ ____
# | | (_) |__ _ __ ___ / _ \ ___/ ___|
# | | | | '_ \| '__/ _ \ | | |/ _ \___ \
# | |___| | |_) | | | __/ |_| | (_) |__) |
# |_____|_|_.__/|_| \___|\__\_\\___/____/
# v.0.3-alpha
#
import random
import os
import subprocess
import time
from datetime import date
from UCRM_Integration import pullUCRMCustomers, getUCRMCaps
def shell(inputCommand):
if enableActualShellCommands:
if runShellCommandsAsSudo:
inputCommand = 'sudo ' + inputCommand
inputCommandSplit = inputCommand.split(' ')
print(inputCommand)
result = subprocess.run(inputCommandSplit, stdout=subprocess.PIPE)
print(result.stdout)
else:
print(inputCommand)
def clearPriorSettings(interfaceA, interfaceB):
shell('tc filter delete dev ' + interfaceA)
shell('tc filter delete dev ' + interfaceA + ' root')
shell('tc qdisc delete dev ' + interfaceA)
shell('tc qdisc delete dev ' + interfaceA + ' root')
shell('tc filter delete dev ' + interfaceB)
shell('tc filter delete dev ' + interfaceB + ' root')
shell('tc qdisc delete dev ' + interfaceB)
shell('tc qdisc delete dev ' + interfaceB + ' root')
def getHashList():
twoDigitHash = []
letters = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
for i in range(10):
for x in range(26):
twoDigitHash.append(str(i) + letters[x])
return twoDigitHash
def createTestClientsPool(slash16, quantity):
if quantity<65534:
tempList = []
counterC = 0
counterD = 1
mainCounter = 0
while mainCounter < quantity:
if counterD <= 255:
ipAddr = slash16.replace('X.X', '') + str(counterC) + '.' + str(counterD)
tempList.append((100, ipAddr))
counterD += 1
else:
counterC += 1
counterD = 1
mainCounter += 1
return tempList
else:
raise Exception
########################################################################################################################################
######################################################## ########################################################
######################################################## Main Settings ########################################################
######################################################## ########################################################
########################################################################################################################################
fqOrCAKE = 'fq_codel' #'fq_codel' or 'cake'
# Cake requires many specific packages and kernel changes.
# https://www.bufferbloat.net/projects/codel/wiki/Cake/
# https://github.com/dtaht/tc-adv
pipeBandwidthCapacityMbps = 500 # How many symmetrical Mbps are available to the edge of this test network
interfaceA = 'eth4' # Interface connected to edge
interfaceB = 'eth5' # Interface connected to core
downSpeedDict = {25:30, 50:55, 100:115, 200:215, 300:315} # Define Client Plan download speed. 25, 50, 100 etc are plan identifiers.
upSpeedDict = {25:3 , 50:5, 100:15, 200:30, 300:50} # Define Client Plan upload speed
enableActualShellCommands = False # Allow shell commands. Default is False; commands print to console.
runShellCommandsAsSudo = False # Add 'sudo' before execution of any shell commands. Default is False.
importFromUCRM = False # Experimental UCRM integration
#Clients
clientsList = []
#Add arbitrary number of test clients in /16 subnet
clientsList = createTestClientsPool('100.64.X.X', 5)
#Add specific test clients
#clientsList.append((100, '100.65.1.1'))
########################################################################################################################################
#Bring in clients from UCRM if enabled
if importFromUCRM:
tempList = pullUCRMCustomers()
for cust in tempList:
clientID, ipAddr, download, upload = cust
#Use UCRM plan speed values to place into corresponding plan defined here in LibreQoS
if download >= 300:
clientsList.append((300, ipAddr))
elif download >= 200:
clientsList.append((200, ipAddr))
elif download >= 100:
clientsList.append((100, ipAddr))
elif download >= 50:
clientsList.append((50, ipAddr))
elif download >= 25:
clientsList.append((25, ipAddr))
else:
print("Could not match customer ID " + clientID + " with a speed plan. They will be left uncapped.")
#Categorize Clients By IPv4 /16
listOfSlash16SubnetsInvolved = []
clientsListWithSubnet = []
for customer in clientsList:
planID, ipAddr = customer
dec1, dec2, dec3, dec4 = ipAddr.split('.')
slash16 = dec1 + '.' + dec2 + '.0.0'
if slash16 not in listOfSlash16SubnetsInvolved:
listOfSlash16SubnetsInvolved.append(slash16)
clientsListWithSubnet.append((planID, ipAddr, slash16, dec1, dec2, dec3, dec4))
#Clear Prior Configs
clearPriorSettings(interfaceA, interfaceB)
#InterfaceA
parentIDFirstPart = 1
srcOrDst = 'dst'
classIDCounter = 101
hashIDCounter = parentIDFirstPart + 1
shell('tc qdisc replace dev ' + interfaceA + ' root handle ' + str(parentIDFirstPart) + ': htb default 1')
shell('tc class add dev ' + interfaceA + ' parent ' + str(parentIDFirstPart) + ': classid ' + str(parentIDFirstPart) + ':1 htb rate '+ str(pipeBandwidthCapacityMbps) + 'mbit')
for slash16 in listOfSlash16SubnetsInvolved:
#X.X.0.0
thisSlash16Dec1 = slash16.split('.')[0]
thisSlash16Dec2 = slash16.split('.')[1]
groupedCustomers = []
for i in range(255):
tempList = []
for customer in clientsListWithSubnet:
planID, ipAddr, slash16, dec1, dec2, dec3, dec4 = customer
if (dec1 == thisSlash16Dec1) and (dec2 == thisSlash16Dec2) and (dec4 == str(i)):
tempList.append(customer)
if len(tempList) > 0:
groupedCustomers.append(tempList)
shell('tc filter add dev ' + interfaceA + ' parent ' + str(parentIDFirstPart) + ': prio 5 u32')
shell('tc filter add dev ' + interfaceA + ' parent ' + str(parentIDFirstPart) + ': prio 5 handle ' + str(hashIDCounter) + ': u32 divisor 256')
thirdDigitCounter = 0
handleIDSecond = 1
while thirdDigitCounter <= 255:
if len(groupedCustomers) > 0:
currentCustomerList = groupedCustomers.pop()
tempHashList = getHashList()
for cust in currentCustomerList:
planID, ipAddr, slash16, dec1, dec2, dec3, dec4 = cust
twoDigitHashString = hex(int(dec4)).replace('0x','')
shell('tc class add dev ' + interfaceA + ' parent ' + str(parentIDFirstPart) + ':1 classid ' + str(parentIDFirstPart) + ':' + str(classIDCounter) + ' htb rate '+ str(downSpeedDict[planID]) + 'mbit ceil '+ str(downSpeedDict[planID]) + 'mbit prio 3')
shell('tc qdisc add dev ' + interfaceA + ' parent ' + str(parentIDFirstPart) + ':' + str(classIDCounter) + ' ' + fqOrCAKE)
shell('tc filter add dev ' + interfaceA + ' parent ' + str(parentIDFirstPart) + ': prio 5 u32 ht ' + str(hashIDCounter) + ':' + twoDigitHashString + ' match ip ' + srcOrDst + ' ' + ipAddr + ' flowid ' + str(parentIDFirstPart) + ':' + str(classIDCounter))
classIDCounter += 1
thirdDigitCounter += 1
if (srcOrDst == 'dst'):
startPointForHash = '16' #Position of dst-address in IP header
elif (srcOrDst == 'src'):
startPointForHash = '12' #Position of src-address in IP header
shell('tc filter add dev ' + interfaceA + ' parent ' + str(parentIDFirstPart) + ': prio 5 u32 ht 800:: match ip ' + srcOrDst + ' '+ thisSlash16Dec1 + '.' + thisSlash16Dec2 + '.0.0/16 hashkey mask 0x000000ff at ' + startPointForHash + ' link ' + str(hashIDCounter) + ':')
hashIDCounter += 1
#InterfaceB
parentIDFirstPart = hashIDCounter + 1
hashIDCounter = parentIDFirstPart + 1
srcOrDst = 'src'
shell('tc qdisc replace dev ' + interfaceB + ' root handle ' + str(parentIDFirstPart) + ': htb default 1')
shell('tc class add dev ' + interfaceB + ' parent ' + str(parentIDFirstPart) + ': classid ' + str(parentIDFirstPart) + ':1 htb rate '+ str(pipeBandwidthCapacityMbps) + 'mbit')
for slash16 in listOfSlash16SubnetsInvolved:
#X.X.0.0
thisSlash16Dec1 = slash16.split('.')[0]
thisSlash16Dec2 = slash16.split('.')[1]
groupedCustomers = []
for i in range(255):
tempList = []
for customer in clientsListWithSubnet:
planID, ipAddr, slash16, dec1, dec2, dec3, dec4 = customer
if (dec1 == thisSlash16Dec1) and (dec2 == thisSlash16Dec2) and (dec4 == str(i)):
tempList.append(customer)
if len(tempList) > 0:
groupedCustomers.append(tempList)
shell('tc filter add dev ' + interfaceB + ' parent ' + str(parentIDFirstPart) + ': prio 5 u32')
shell('tc filter add dev ' + interfaceB + ' parent ' + str(parentIDFirstPart) + ': prio 5 handle ' + str(hashIDCounter) + ': u32 divisor 256')
thirdDigitCounter = 0
handleIDSecond = 1
while thirdDigitCounter <= 255:
if len(groupedCustomers) > 0:
currentCustomerList = groupedCustomers.pop()
tempHashList = getHashList()
for cust in currentCustomerList:
planID, ipAddr, slash16, dec1, dec2, dec3, dec4 = cust
twoDigitHashString = hex(int(dec4)).replace('0x','')
shell('tc class add dev ' + interfaceB + ' parent ' + str(parentIDFirstPart) + ':1 classid ' + str(parentIDFirstPart) + ':' + str(classIDCounter) + ' htb rate '+ str(upSpeedDict[planID]) + 'mbit ceil '+ str(upSpeedDict[planID]) + 'mbit prio 3')
shell('tc qdisc add dev ' + interfaceB + ' parent ' + str(parentIDFirstPart) + ':' + str(classIDCounter) + ' ' + fqOrCAKE)
shell('tc filter add dev ' + interfaceB + ' parent ' + str(parentIDFirstPart) + ': prio 5 u32 ht ' + str(hashIDCounter) + ':' + twoDigitHashString + ' match ip ' + srcOrDst + ' ' + ipAddr + ' flowid ' + str(parentIDFirstPart) + ':' + str(classIDCounter))
classIDCounter += 1
thirdDigitCounter += 1
if (srcOrDst == 'dst'):
startPointForHash = '16' #Position of dst-address in IP header
elif (srcOrDst == 'src'):
startPointForHash = '12' #Position of src-address in IP header
shell('tc filter add dev ' + interfaceB + ' parent ' + str(parentIDFirstPart) + ': prio 5 u32 ht 800:: match ip ' + srcOrDst + ' '+ thisSlash16Dec1 + '.' + thisSlash16Dec2 + '.0.0/16 hashkey mask 0x000000ff at ' + startPointForHash + ' link ' + str(hashIDCounter) + ':')
hashIDCounter += 1
#Done
today = date.today()
d1 = today.strftime("%d/%m/%Y")
print("Successful run completed at ", d1)
print("Program complete")