/
qos_control.py
203 lines (176 loc) · 7.94 KB
/
qos_control.py
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# Example
# curl -X PUT -d '{"data" : 0.5, "qos" : 0.5}' http://127.0.0.1:8080/traffic/rule
import json
import requests
import time
from ryu.base import app_manager
from ryu.controller import ofp_event, dpset
from ryu.controller.handler import CONFIG_DISPATCHER, MAIN_DISPATCHER
from ryu.controller.handler import set_ev_cls
from ryu.ofproto import ofproto_v1_3, inet, ether
from ryu.lib.packet import packet, ethernet, arp, ipv4, ipv6, lldp, tcp, udp
from ryu.lib import dpid as dpid_lib
from ryu.lib import mac
from ryu.topology import event
from ryu.topology.api import get_switch, get_link
from webob import Response
from ryu.app.wsgi import ControllerBase, WSGIApplication, route
# from route import MultipathForwarding
# import network_monitor
VLANID_NONE = 0
# TEST_LINK_CAPACITY = 100000000 # 100M
DEFAULT_LINK_CAPACITY = 100000000 # 100M
# DEFAULT_LINK_CAPACITY = 1000000000 # 1G
DEFAULT_QOS_SHARE = 0.5
DEFAULT_DATA_SHARE = 0.5
BASE_URL = '/traffic'
REQUIREMENTS = {'dpid': dpid_lib.DPID_PATTERN}
instance_name = 'qos_control_api_app'
OVSDB_ADDRESS = {'0000000000000001': '"tcp:10.0.0.11:6632"',
'0000000000000002': '"tcp:10.0.0.12:6632"',
'0000000000000003': '"tcp:10.0.0.13:6632"',
'0000000000000004': '"tcp:10.0.0.14:6632"'}
# OVSDB_ADDRESS = {1: 'tcp:10.0.0.11:6632',
# 2: 'tcp:10.0.0.12:6632',
# 3: 'tcp:10.0.0.13:6632',
# 4: 'tcp:10.0.0.14:6632'}
def set_queue(dpid, data_share, qos_share):
dpid_str = dpid_lib.dpid_to_str(dpid)
url = 'http://localhost:8080/qos/queue/' + dpid_str
payload = '{"type": "linux-htb", "max_rate": "%d", "queues": [{"min_rate": "%d"}, {"min_rate": "%d"}]}' % (
DEFAULT_LINK_CAPACITY,
DEFAULT_LINK_CAPACITY * data_share,
DEFAULT_LINK_CAPACITY * qos_share)
# payload = '{"port_name": "s1-eth1", "type": "linux-htb", "max_rate": "1000000", "queues": [{"max_rate": "500000"}, {"min_rate": "800000"}]}'
r = requests.post(url, data=payload)
print "[SET_QUEUE]" , r.text
def set_qos_queue(dpid, data_share, qos_share, qos_high_rate, ofport):
dpid_str = dpid_lib.dpid_to_str(dpid)
url = 'http://localhost:8080/qos/queue/' + dpid_str
payload = '{"port": %d,"type": "linux-htb", "max_rate": "%d", "queues": [{"min_rate": "%d"}, {"min_rate": "%d"}, {"min_rate": "%d"}]}' % (
ofport,
DEFAULT_LINK_CAPACITY,
DEFAULT_LINK_CAPACITY * data_share,
DEFAULT_LINK_CAPACITY * qos_share - qos_high_rate,
qos_high_rate)
# payload = '{"port_name": "s1-eth1", "type": "linux-htb", "max_rate": "1000000", "queues": [{"max_rate": "500000"}, {"min_rate": "800000"}]}'
r = requests.post(url, data=payload)
print "[SET_QUEUE]" , r.text
# url = 'http://localhost:8080/qos/rules/' + dpid_str
# payload_tcp = '{"match": {"dl_type": "IPv4", "nw_proto": "TCP"}, "actions":{"queue": "1"}}'
# payload_udp = '{"match": {"dl_type": "IPv4", "nw_proto": "UDP"}, "actions":{"queue": "2"}}'
# r = requests.post(url, data=payload_tcp)
# r = requests.post(url, data=payload_udp)
# class QoSControlController(app_manager.RyuApp):
class QoSControlController(ControllerBase):
def __init__(self, req, link, data, **config):
super(QoSControlController, self).__init__(req, link, data, **config)
self.dpset = data['data']['dpset']
self.qos_control_app = data[instance_name]
url = BASE_URL + '/rule'
@route('qos_control', url, methods=['POST'], requirements=REQUIREMENTS)
def set_rule(self, req, **kwargs):
qos_control = self.qos_control_app
new_entry = eval(req.body)
data_share = float(new_entry['data'])
qos_share = float(new_entry['qos'])
if data_share + qos_share > 1:
return Response(status=400)
dps = list(self.dpset.dps.keys())
for dpid in dps:
set_queue(dpid, data_share, qos_share)
url = BASE_URL + '/qos_admin'
@route('qos_control', url, methods=['POST'], requirements=REQUIREMENTS)
def set_qos_high_flow(self, req, **kwargs):
"""
Exapmle:
{'src': '00:00:00:00:00:01',
'dst': '00:00:00:00:00:04',
'proto': 'UDP',
'port_no': 5001,
'rate': 20}
"""
qos_control = self.qos_control_app
new_entry = eval(req.body)
result = qos_control.set_qos_high_rule(new_entry)
body = json.dumps(result)
return Response(content_type='application/json', body=body)
# dpid = dpid_lib.str_to_dpid(kwargs['dpid'])
url = BASE_URL + '/qos_admin'
@route('qos_control', url, methods=['GET'], requirements=REQUIREMENTS)
def get_qos_high_flow(self, req, **kwargs):
qos_control = self.qos_control_app
result = qos_control.get_qos_high_rule()
body = json.dumps(result)
return Response(content_type='application/json', body=body)
class QoSControlApi(app_manager.RyuApp):
OFP_VERSIONS = [ofproto_v1_3.OFP_VERSION]
_CONTEXTS = {
'dpset': dpset.DPSet,
'wsgi': WSGIApplication
}
def __init__(self, *args, **kwargs):
super(QoSControlApi, self).__init__(*args, **kwargs)
self.dpset = kwargs['dpset']
wsgi = kwargs['wsgi']
self.waiters = {}
self.data = {}
self.data['dpset'] = self.dpset
self.data['waiters'] = self.waiters
mapper = wsgi.mapper
wsgi.registory['QoSControlController'] = self.data
# uri = BASE_URL + '/rule'
# mapper.connect('stats', uri,
# controller=QoSControlController, action='set_rule',
# conditions=dict(method=['PUT']))
wsgi.register(QoSControlController, {instance_name: self, 'data': self.data})
# self.route_calc = kwargs['Route_Calc']
# self.route_calc = kwargs['route_calc'](args, kwargs)
# self.route_calc = route_calc.MultipathForwarding
self.qos_rule_table = {}
self.data_share = DEFAULT_DATA_SHARE
self.qos_share = DEFAULT_QOS_SHARE
@set_ev_cls(event.EventSwitchEnter)
def switch_enter(self, ev):
dpid = ev.switch.dp.id
dpid_str = dpid_lib.dpid_to_str(dpid)
url = 'http://localhost:8080/v1.0/conf/switches/' + dpid_str + '/ovsdb_addr'
payload = '"tcp:127.0.0.1:6632"'
# payload = OVSDB_ADDRESS[dpid_str]
r = requests.put(url, data=payload)
time.sleep(0.25)
set_queue(ev.switch.dp.id, self.data_share, self.qos_share)
def set_qos_high_rule(self, value):
src = value['src']
dst = value['dst']
proto = value['proto']
port_no = int(value['port_no'])
rate = int(value['rate'])
if self._save_qos_rule_table(src, dst, proto, port_no, rate) == []:
return "QoS High Priority can not send!!!"
else:
return self.qos_rule_table
def get_qos_high_rule(self):
return self.qos_rule_table
def _save_qos_rule_table(self, src, dst, proto, port_no, rate):
if len(self.qos_rule_table) == 0:
qos_id = 0
else:
qos_id = max(self.qos_rule_table.keys(), key=int) + 1
self.qos_rule_table[qos_id] = {}
self.qos_rule_table[qos_id]['src'] = src
self.qos_rule_table[qos_id]['dst'] = dst
self.qos_rule_table[qos_id]['proto'] = proto
self.qos_rule_table[qos_id]['port_no'] = port_no
self.qos_rule_table[qos_id]['rate'] = rate
# path = self.route_calc.shortest_weight_path(src, dst)
url = 'http://localhost:8080/traffic/routing/qos_rule'
self.qos_rule_table[qos_id]['rule'] = {'data_share': self.data_share, 'qos_share': self.qos_share}
payload = {'qos_id': qos_id, 'rule': self.qos_rule_table[qos_id]}
payload = json.dumps(payload)
self.qos_rule_table[qos_id].pop('rule', None)
r = requests.post(url, data=payload)
path = r.json()
print "QOS Control", path
self.qos_rule_table[qos_id]['path'] = path
return path