mirror of
https://github.com/openziti/ziti.git
synced 2026-09-10 08:45:41 +00:00
Paul Lorenz
64 lines
1.7 KiB
Go
64 lines
1.7 KiB
Go
/*
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Copyright NetFoundry Inc.
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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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https://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 xt_random
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import (
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"math/rand"
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"github.com/openziti/ziti/v2/controller/xt"
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)
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/**
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The random strategy uses a random selection from available terminators. It only picks from terminators which
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match the precedence of the first terminator, which is presumably of the highest available precedence.
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*/
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func NewFactory() xt.Factory {
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return &factory{}
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}
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type factory struct{}
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func (self *factory) GetStrategyName() string {
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return "random"
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}
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func (self *factory) NewStrategy() xt.Strategy {
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return &strategy{}
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}
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type strategy struct{}
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func (self *strategy) Select(_ xt.CreateCircuitParams, terminators []xt.CostedTerminator) (xt.CostedTerminator, xt.PeerData, error) {
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terminators = xt.GetRelatedTerminators(terminators)
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count := len(terminators)
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if count == 1 {
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return terminators[0], nil, nil
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}
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selected := rand.Intn(count)
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return terminators[selected], nil, nil
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}
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func (self *strategy) NotifyEvent(xt.TerminatorEvent) {}
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func (self *strategy) HandleTerminatorChange(event xt.StrategyChangeEvent) error {
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for _, t := range event.GetRemoved() {
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xt.GlobalCosts().ClearCost(t.GetId())
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}
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return nil
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}
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