mirror of https://github.com/XTLS/Xray-core
62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
package router
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import (
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"context"
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"github.com/xtls/xray-core/core"
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"github.com/xtls/xray-core/app/observatory"
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"github.com/xtls/xray-core/common"
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"github.com/xtls/xray-core/features/extension"
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)
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type LeastPingStrategy struct {
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ctx context.Context
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observatory extension.Observatory
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}
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func (l *LeastPingStrategy) InjectContext(ctx context.Context) {
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l.ctx = ctx
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}
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func (l *LeastPingStrategy) PickOutbound(strings []string) string {
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if l.observatory == nil {
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common.Must(core.RequireFeatures(l.ctx, func(observatory extension.Observatory) error {
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l.observatory = observatory
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return nil
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}))
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}
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observeReport, err := l.observatory.GetObservation(l.ctx)
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if err != nil {
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newError("cannot get observe report").Base(err).WriteToLog()
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return ""
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}
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outboundsList := outboundList(strings)
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if result, ok := observeReport.(*observatory.ObservationResult); ok {
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status := result.Status
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leastPing := int64(99999999)
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selectedOutboundName := ""
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for _, v := range status {
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if outboundsList.contains(v.OutboundTag) && v.Alive && v.Delay < leastPing {
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selectedOutboundName = v.OutboundTag
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leastPing = v.Delay
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}
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}
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return selectedOutboundName
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}
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//No way to understand observeReport
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return ""
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}
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type outboundList []string
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func (o outboundList) contains(name string) bool {
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for _, v := range o {
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if v == name {
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return true
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}
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}
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return false
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}
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