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v2fly/transport/internet/kcp/config_json.go

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// +build json
package kcp
import (
"encoding/json"
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"errors"
"github.com/v2ray/v2ray-core/common/log"
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)
func (this *Config) UnmarshalJSON(data []byte) error {
type JSONConfig struct {
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Mtu *int `json:"mtu"`
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}
jsonConfig := new(JSONConfig)
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if err := json.Unmarshal(data, &jsonConfig); err != nil {
return err
}
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if jsonConfig.Mtu != nil {
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mtu := *jsonConfig.Mtu
if mtu < 576 || mtu > 1460 {
log.Error("KCP|Config: Invalid MTU size: ", mtu)
return errors.New("Invalid configuration")
}
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this.Mtu = *jsonConfig.Mtu
}
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return nil
}