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39 lines
1.7 KiB
Go
39 lines
1.7 KiB
Go
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/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package bandwidth
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import "k8s.io/apimachinery/pkg/api/resource"
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type BandwidthShaper interface {
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// Limit the bandwidth for a particular CIDR on a particular interface
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// * ingress and egress are in bits/second
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// * cidr is expected to be a valid network CIDR (e.g. '1.2.3.4/32' or '10.20.0.1/16')
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// 'egress' bandwidth limit applies to all packets on the interface whose source matches 'cidr'
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// 'ingress' bandwidth limit applies to all packets on the interface whose destination matches 'cidr'
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// Limits are aggregate limits for the CIDR, not per IP address. CIDRs must be unique, but can be overlapping, traffic
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// that matches multiple CIDRs counts against all limits.
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Limit(cidr string, egress, ingress *resource.Quantity) error
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// Remove a bandwidth limit for a particular CIDR on a particular network interface
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Reset(cidr string) error
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// Reconcile the interface managed by this shaper with the state on the ground.
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ReconcileInterface() error
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// Reconcile a CIDR managed by this shaper with the state on the ground
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ReconcileCIDR(cidr string, egress, ingress *resource.Quantity) error
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// GetCIDRs returns the set of CIDRs that are being managed by this shaper
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GetCIDRs() ([]string, error)
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}
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