mirror of
https://github.com/LibreQoE/LibreQoS.git
synced 2024-12-01 20:19:07 -06:00
219 lines
11 KiB
Python
219 lines
11 KiB
Python
# Copyright (C) 2020 Robert Chacón
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# This file is part of LibreQoS.
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#
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# LibreQoS is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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# LibreQoS is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with LibreQoS. If not, see <http://www.gnu.org/licenses/>.
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#
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# _ _ _ ___ ____
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# | | (_) |__ _ __ ___ / _ \ ___/ ___|
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# | | | | '_ \| '__/ _ \ | | |/ _ \___ \
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# | |___| | |_) | | | __/ |_| | (_) |__) |
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# |_____|_|_.__/|_| \___|\__\_\\___/____/
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# v.0.91-stable
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#
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import random
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import logging
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import os
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import io
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import json
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import csv
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import subprocess
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from subprocess import PIPE
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import ipaddress
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from ipaddress import IPv4Address, IPv6Address
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import time
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from datetime import date, datetime
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from ispConfig import fqOrCAKE, upstreamBandwidthCapacityDownloadMbps, upstreamBandwidthCapacityUploadMbps, defaultClassCapacityDownloadMbps, defaultClassCapacityUploadMbps, interfaceA, interfaceB, enableActualShellCommands, runShellCommandsAsSudo
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import collections
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def shell(command):
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if enableActualShellCommands:
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if runShellCommandsAsSudo:
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command = 'sudo ' + command
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commands = command.split(' ')
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print(command)
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proc = subprocess.Popen(commands, stdout=subprocess.PIPE)
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for line in io.TextIOWrapper(proc.stdout, encoding="utf-8"): # or another encoding
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print(line)
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else:
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print(command)
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def clearPriorSettings(interfaceA, interfaceB):
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shell('tc filter delete dev ' + interfaceA)
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shell('tc filter delete dev ' + interfaceA + ' root')
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shell('tc qdisc delete dev ' + interfaceA + ' root')
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shell('tc qdisc delete dev ' + interfaceA)
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shell('tc filter delete dev ' + interfaceB)
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shell('tc filter delete dev ' + interfaceB + ' root')
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shell('tc qdisc delete dev ' + interfaceB + ' root')
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shell('tc qdisc delete dev ' + interfaceB)
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if runShellCommandsAsSudo:
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clearMemoryCache()
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def refreshShapers():
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tcpOverheadFactor = 1.09
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devices = []
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accessPointDownloadMbps = {}
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accessPointUploadMbps = {}
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# Load Access Points
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with open('AccessPoints.csv') as csv_file:
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csv_reader = csv.reader(csv_file, delimiter=',')
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next(csv_reader)
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for row in csv_reader:
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AP, download, upload = row
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accessPointDownloadMbps[AP] = int(download)*tcpOverheadFactor
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accessPointUploadMbps[AP] = int(upload)*tcpOverheadFactor
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# Load Devices
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with open('Shaper.csv') as csv_file:
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csv_reader = csv.reader(csv_file, delimiter=',')
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next(csv_reader)
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for row in csv_reader:
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deviceID, AP, mac, hostname,ipv4, ipv6, downloadMin, uploadMin, downloadMax, uploadMax = row
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ipv4 = ipv4.strip()
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ipv6 = ipv6.strip()
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if AP == "":
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AP = "none"
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AP = AP.strip()
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thisDevice = {
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"id": deviceID,
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"mac": mac,
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"AP": AP,
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"hostname": hostname,
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"ipv4": ipv4,
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"ipv6": ipv6,
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"downloadMin": int(downloadMin)*tcpOverheadFactor,
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"uploadMin": int(uploadMin)*tcpOverheadFactor,
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"downloadMax": int(downloadMax)*tcpOverheadFactor,
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"uploadMax": int(uploadMax)*tcpOverheadFactor,
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"qdisc": '',
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}
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# If an AP is specified for a device in Shaper.csv, but AP is not listed in AccessPoints.csv, raise exception
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if (AP != "none") and (AP not in accessPointDownloadMbps):
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raise ValueError('AP ' + AP + ' not listed in AccessPoints.csv')
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devices.append(thisDevice)
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# If no AP is specified for a device in Shaper.csv, it is placed under this 'default' AP shaper, set to bandwidth max at edge
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accessPointDownloadMbps['none'] = upstreamBandwidthCapacityDownloadMbps
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accessPointUploadMbps['none'] = upstreamBandwidthCapacityUploadMbps
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# Sort into bins by AP
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result = collections.defaultdict(list)
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for d in devices:
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result[d['AP']].append(d)
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devicesByAP = list(result.values())
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clearPriorSettings(interfaceA, interfaceB)
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# XDP-CPUMAP-TC
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shell('./xdp-cpumap-tc/bin/xps_setup.sh -d ' + interfaceA + ' --default --disable')
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shell('./xdp-cpumap-tc/bin/xps_setup.sh -d ' + interfaceB + ' --default --disable')
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shell('./xdp-cpumap-tc/src/xdp_iphash_to_cpu --dev ' + interfaceA + ' --lan')
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shell('./xdp-cpumap-tc/src/xdp_iphash_to_cpu --dev ' + interfaceB + ' --wan')
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shell('./xdp-cpumap-tc/src/xdp_iphash_to_cpu_cmdline --clear')
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shell('./xdp-cpumap-tc/src/tc_classify --dev-egress ' + interfaceA)
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shell('./xdp-cpumap-tc/src/tc_classify --dev-egress ' + interfaceB)
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# Find queues available
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queuesAvailable = 0
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path = '/sys/class/net/' + interfaceA + '/queues/'
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directory_contents = os.listdir(path)
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print(directory_contents)
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for item in directory_contents:
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if "tx-" in str(item):
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queuesAvailable += 1
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# For VMs, must reduce queues if more than 9, for some reason
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if queuesAvailable > 9:
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command = 'grep -q ^flags.*\ hypervisor\ /proc/cpuinfo && echo "This machine is a VM"'
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try:
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output = subprocess.check_output(command, stderr=subprocess.STDOUT, shell=True).decode()
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success = True
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except subprocess.CalledProcessError as e:
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output = e.output.decode()
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success = False
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if "This machine is a VM" in output:
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queuesAvailable = 9
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# Create MQ
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thisInterface = interfaceA
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shell('tc qdisc replace dev ' + thisInterface + ' root handle 7FFF: mq')
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for queue in range(queuesAvailable):
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shell('tc qdisc add dev ' + thisInterface + ' parent 7FFF:' + str(queue+1) + ' handle ' + str(queue+1) + ': htb default 2')
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shell('tc class add dev ' + thisInterface + ' parent ' + str(queue+1) + ': classid ' + str(queue+1) + ':1 htb rate '+ str(upstreamBandwidthCapacityDownloadMbps) + 'mbit ceil ' + str(upstreamBandwidthCapacityDownloadMbps) + 'mbit')
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shell('tc qdisc add dev ' + thisInterface + ' parent ' + str(queue+1) + ':1 ' + fqOrCAKE)
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# Default class - traffic gets passed through this limiter with lower priority if not otherwise classified by the Shaper.csv
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# Only 1/4 of defaultClassCapacity is guarenteed (to prevent hitting ceiling of upstream), for the most part it serves as an "up to" ceiling.
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# Default class can use up to defaultClassCapacityDownloadMbps when that bandwidth isn't used by known hosts.
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shell('tc class add dev ' + thisInterface + ' parent ' + str(queue+1) + ':1 classid ' + str(queue+1) + ':2 htb rate ' + str(defaultClassCapacityDownloadMbps/4) + 'mbit ceil ' + str(defaultClassCapacityDownloadMbps) + 'mbit prio 5')
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shell('tc qdisc add dev ' + thisInterface + ' parent ' + str(queue+1) + ':2 ' + fqOrCAKE)
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thisInterface = interfaceB
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shell('tc qdisc replace dev ' + thisInterface + ' root handle 7FFF: mq')
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for queue in range(queuesAvailable):
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shell('tc qdisc add dev ' + thisInterface + ' parent 7FFF:' + str(queue+1) + ' handle ' + str(queue+1) + ': htb default 2')
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shell('tc class add dev ' + thisInterface + ' parent ' + str(queue+1) + ': classid ' + str(queue+1) + ':1 htb rate '+ str(upstreamBandwidthCapacityUploadMbps) + 'mbit ceil ' + str(upstreamBandwidthCapacityUploadMbps) + 'mbit')
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shell('tc qdisc add dev ' + thisInterface + ' parent ' + str(queue+1) + ':1 ' + fqOrCAKE)
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# Default class - traffic gets passed through this limiter with lower priority if not otherwise classified by the Shaper.csv.
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# Only 1/4 of defaultClassCapacity is guarenteed (to prevent hitting ceiling of upstream), for the most part it serves as an "up to" ceiling.
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# Default class can use up to defaultClassCapacityUploadMbps when that bandwidth isn't used by known hosts.
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shell('tc class add dev ' + thisInterface + ' parent ' + str(queue+1) + ':1 classid ' + str(queue+1) + ':2 htb rate ' + str(defaultClassCapacityUploadMbps/4) + 'mbit ceil ' + str(defaultClassCapacityUploadMbps) + 'mbit prio 5')
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shell('tc qdisc add dev ' + thisInterface + ' parent ' + str(queue+1) + ':2 ' + fqOrCAKE)
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currentQueueCounter = 1
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queueMinorCounterDict = {}
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# :1 and :2 are used for root and default classes, so start each counter at :3
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for queueNum in range(queuesAvailable):
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queueMinorCounterDict[queueNum+1] = 3
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for AP in devicesByAP:
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currentAPname = AP[0]['AP']
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thisAPdownload = accessPointDownloadMbps[currentAPname]
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thisAPupload = accessPointUploadMbps[currentAPname]
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major = currentQueueCounter
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minor = queueMinorCounterDict[currentQueueCounter]
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thisHTBclassID = str(currentQueueCounter) + ':' + str(minor)
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# HTB + qdisc for each AP
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# Guarentee AP gets at least 1/4 of its radio capacity, allow up to its max radio capacity when network not at peak load
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shell('tc class add dev ' + interfaceA + ' parent ' + str(currentQueueCounter) + ':1 classid ' + str(minor) + ' htb rate '+ str(round(thisAPdownload/4)) + 'mbit ceil '+ str(round(thisAPdownload)) + 'mbit prio 3')
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shell('tc qdisc add dev ' + interfaceA + ' parent ' + str(currentQueueCounter) + ':' + str(minor) + ' ' + fqOrCAKE)
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shell('tc class add dev ' + interfaceB + ' parent ' + str(major) + ':1 classid ' + str(minor) + ' htb rate '+ str(round(thisAPupload/4)) + 'mbit ceil '+ str(round(thisAPupload)) + 'mbit prio 3')
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shell('tc qdisc add dev ' + interfaceB + ' parent ' + str(major) + ':' + str(minor) + ' ' + fqOrCAKE)
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minor += 1
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for device in AP:
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#HTB + qdisc for each device
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shell('tc class add dev ' + interfaceA + ' parent ' + thisHTBclassID + ' classid ' + str(minor) + ' htb rate '+ str(device['downloadMin']) + 'mbit ceil '+ str(device['downloadMax']) + 'mbit prio 3')
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shell('tc qdisc add dev ' + interfaceA + ' parent ' + str(major) + ':' + str(minor) + ' ' + fqOrCAKE)
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shell('tc class add dev ' + interfaceB + ' parent ' + thisHTBclassID + ' classid ' + str(minor) + ' htb rate '+ str(device['uploadMin']) + 'mbit ceil '+ str(device['uploadMax']) + 'mbit prio 3')
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shell('tc qdisc add dev ' + interfaceB + ' parent ' + str(major) + ':' + str(minor) + ' ' + fqOrCAKE)
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if device['ipv4']:
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parentString = str(major) + ':'
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flowIDstring = str(major) + ':' + str(minor)
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shell('./xdp-cpumap-tc/src/xdp_iphash_to_cpu_cmdline --add --ip ' + device['ipv4'] + ' --cpu ' + str(currentQueueCounter-1) + ' --classid ' + flowIDstring)
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#Once XDP-CPUMAP-TC handles IPv6, this can be added
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#if device['ipv6']:
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# parentString = str(major) + ':'
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# flowIDstring = str(major) + ':' + str(minor)
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# shell('./xdp-cpumap-tc/src/xdp_iphash_to_cpu_cmdline --add --ip ' + device['ipv6'] + ' --cpu ' + str(currentQueueCounter-1) + ' --classid ' + flowIDstring)
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device['qdisc'] = str(major) + ':' + str(minor)
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minor += 1
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queueMinorCounterDict[currentQueueCounter] = minor
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currentQueueCounter += 1
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if currentQueueCounter > queuesAvailable:
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currentQueueCounter = 1
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# Save devices to file to allow for statistics runs
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with open('devices.json', 'w') as outfile:
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json.dump(devices, outfile)
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# Done
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currentTimeString = datetime.now().strftime("%d/%m/%Y %H:%M:%S")
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print("Successful run completed on " + currentTimeString)
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if __name__ == '__main__':
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refreshShapers()
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print("Program complete")
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