def portBasedIngressRateMonitoring(dev):
#dev = Device()
'''
This method was written for port based rate monitoring for ingresws. which we are not using at this momnent
:param dev:
:return:
'''
for portIndex in dev.portToQueueRateMap:
portQueueRate = dev.portToQueueRateMap.get(portIndex)
cir = portQueueRate * ConfConst.INGRESS_STATS_METER_CIR_THRESHOLD_FACTOR
cburst = portQueueRate * ConfConst.INGRESS_STATS_METER_CBURST_FACTOR
pir = portQueueRate * ConfConst.INGRESS_STATS_METER_PIR_FACTOR
pburst = portQueueRate * ConfConst.INGRESS_STATS_METER_PBURST_FACTOR
dev.addExactMatchEntryWithoutActionParam(
tableName=
"IngressPipeImpl.ingress_rate_monitor_control_block.ingress_stats",
fieldName="standard_metadata.ingress_port",
fieldValue=portIndex,
actionName=
"IngressPipeImpl.ingress_rate_monitor_control_block.monitor_incoming_flow"
)
ce = sh.DirectMeterEntry(
dev,
"IngressPipeImpl.ingress_rate_monitor_control_block.ingress_meter")
ce.table_entry.match["standard_metadata.ingress_port"] = portIndex
ce.cir = int(cir)
ce.cburst = int(cburst)
ce.pir = int(pir)
ce.pburst = int(pburst)
ce.modify()
logging.info("Modified meter entry in device: " + str(dev))
def portBasedEgressRateMonitoring(dev):
for portIndex in dev.portToQueueRateMap:
dev.addExactMatchEntryWithoutActionParam(
tableName=
"EgressPipeImpl.egress_rate_monitor_control_block.egress_rate_monitor_table",
fieldName="standard_metadata.egress_port",
fieldValue=portIndex,
actionName=
"EgressPipeImpl.egress_rate_monitor_control_block.monitor_outgoing_flow"
)
portQueueRate = dev.portToQueueRateMap.get(portIndex)
cir = portQueueRate * ConfConst.EGRESS_STATS_METER_CIR_THRESHOLD_FACTOR
cburst = portQueueRate * ConfConst.EGRESS_STATS_METER_CBURST_FACTOR
pir = portQueueRate * ConfConst.EGRESS_STATS_METER_PIR_FACTOR
pburst = portQueueRate * ConfConst.EGRESS_STATS_METER_PBURST_FACTOR
ce = sh.DirectMeterEntry(
dev,
"EgressPipeImpl.egress_rate_monitor_control_block.egress_meter")
ce.table_entry.match["standard_metadata.egress_port"] = portIndex
ce.cir = int(cir)
ce.cburst = int(cburst)
ce.pir = int(pir)
ce.pburst = int(pburst)
ce.modify()
logging.info("Modified meter entry in device: " + str(dev))
def test_direct_meter_entry(self):
ce = sh.DirectMeterEntry("ExactOne_meter")
ce.table_entry.match["header_test.field32"] = "10.0.0.0"
ce.cir = 1
ce.cburst = 2
ce.pir = 3
ce.pburst = 4
expected_entry = """
table_entry {
table_id: 33582705
match {
field_id: 1
exact {
value: "\\x0a\\x00\\x00\\x00"
}
}
}
config {
cir: 1
cburst: 2
pir: 3
pburst: 4
}
"""
expected_req = self.make_write_request(
p4runtime_pb2.Update.MODIFY, P4RuntimeEntity.direct_meter_entry,
expected_entry)
ce.modify()
self.servicer.Write.assert_called_with(ProtoCmp(expected_req), ANY)
self.simple_read_check(expected_req.updates[0].entity, ce,
P4RuntimeEntity.direct_meter_entry)
ce.table_entry = None
expected_entry = """
table_entry {
table_id: 33582705
}
config {
cir: 1
cburst: 2
pir: 3
pburst: 4
}
"""
expected_req = self.make_write_request(
p4runtime_pb2.Update.MODIFY, P4RuntimeEntity.direct_meter_entry,
expected_entry)
ce.modify()
self.servicer.Write.assert_called_with(ProtoCmp(expected_req), ANY)
def test_direct_meter_entry_invalid(self):
ce = sh.DirectMeterEntry("ExactOne_meter")
with self.assertRaisesRegex(
UserError, "table_entry must be an instance of TableEntry"):
ce.table_entry = 0xbad
with self.assertRaisesRegex(UserError,
"This DirectMeterEntry is for table"):
ce.table_entry = sh.TableEntry("TernaryOne")
with self.assertRaisesRegex(UserError,
"Direct meters are not index-based"):
ce.index = 1
te = sh.TableEntry("LpmOne")(action="actionA")
with self.assertRaisesRegex(UserError, "Table has no direct meter"):
te.meter_config.cir = 100
def addDownstreamRoutingRuleForLeafSwitch(dev):
for hPort in dev.portToHostMap.keys():
host = (dev.portToHostMap.get(hPort))
actionParamNameList = ["port_num", "dmac"]
actionParamValueList = [hPort, host.fabric_host_config.mac]
dev.addExactMatchEntryWithMultipleActionParameter(tableName="IngressPipeImpl.downstream_routing_control_clock.downstream_routing_table",
fieldName="hdr.ipv6.dst_addr", fieldValue=host.basic.ips[0],
actionName="IngressPipeImpl.downstream_routing_control_clock.set_downstream_egress_port",
actionParamNameList=actionParamNameList,
actionParamValueList=actionParamValueList)
ce = sh.DirectMeterEntry(dev, "host_egress_meter")
ce.table_entry.match["hdr.ipv6.dst_addr"] = host.basic.ips[0]
ce.cir = 500 * 1024
ce.cburst = 25 * 1024
ce.pir = 600 * 1024
ce.pburst = 25 * 1024
ce.modify()
