mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-09-01 17:24:15 -04:00
86 lines
2.3 KiB
Go
86 lines
2.3 KiB
Go
package conf
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import (
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"time"
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"github.com/golang/protobuf/proto"
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"github.com/v2fly/v2ray-core/v4/app/router"
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)
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const (
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strategyRandom string = "random"
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strategyLeastLoad string = "leastload"
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strategyLeastPing string = "leastping"
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)
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var (
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strategyConfigLoader = NewJSONConfigLoader(ConfigCreatorCache{
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strategyRandom: func() interface{} { return new(strategyEmptyConfig) },
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strategyLeastLoad: func() interface{} { return new(strategyLeastLoadConfig) },
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}, "type", "settings")
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)
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type strategyEmptyConfig struct {
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}
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func (v *strategyEmptyConfig) Build() (proto.Message, error) {
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return nil, nil
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}
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type strategyLeastLoadConfig struct {
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// note the time values of the HealthCheck holds is not
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// 'time.Duration' but plain number, sice they were parsed
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// directly from json
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HealthCheck *router.HealthPingSettings `json:"healthCheck,omitempty"`
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// weight settings
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Costs []*router.StrategyWeight `json:"costs,omitempty"`
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// ping rtt baselines (ms)
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Baselines []int `json:"baselines,omitempty"`
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// expected nodes count to select
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Expected int32 `json:"expected,omitempty"`
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// max acceptable rtt (ms), filter away high delay nodes. defalut 0
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MaxRTT int `json:"maxRTT,omitempty"`
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// acceptable failure rate
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Tolerance float64 `json:"tolerance,omitempty"`
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}
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// Build implements Buildable.
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func (v *strategyLeastLoadConfig) Build() (proto.Message, error) {
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config := &router.StrategyLeastLoadConfig{
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HealthCheck: &router.HealthPingConfig{},
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}
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if v.HealthCheck != nil {
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config.HealthCheck = &router.HealthPingConfig{
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Destination: v.HealthCheck.Destination,
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Connectivity: v.HealthCheck.Connectivity,
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Interval: int64(v.HealthCheck.Interval * time.Second),
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Timeout: int64(v.HealthCheck.Timeout * time.Second),
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SamplingCount: int32(v.HealthCheck.SamplingCount),
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}
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}
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config.Costs = v.Costs
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config.Tolerance = float32(v.Tolerance)
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if config.Tolerance < 0 {
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config.Tolerance = 0
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}
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if config.Tolerance > 1 {
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config.Tolerance = 1
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}
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config.Expected = v.Expected
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if config.Expected < 0 {
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config.Expected = 0
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}
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config.MaxRTT = int64(time.Duration(v.MaxRTT) * time.Millisecond)
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if config.MaxRTT < 0 {
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config.MaxRTT = 0
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}
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config.Baselines = make([]int64, 0)
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for _, b := range v.Baselines {
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if b <= 0 {
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continue
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}
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config.Baselines = append(config.Baselines, int64(time.Duration(b)*time.Millisecond))
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}
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return config, nil
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}
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