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v2fly/transport/internet/kcp/config_json.go
2016-08-06 22:52:02 +02:00

81 lines
2.0 KiB
Go

// +build json
package kcp
import (
"encoding/json"
"github.com/v2ray/v2ray-core/common"
"github.com/v2ray/v2ray-core/common/log"
"github.com/v2ray/v2ray-core/transport/internet"
)
func (this *Config) UnmarshalJSON(data []byte) error {
type JSONConfig struct {
Mtu *uint32 `json:"mtu"`
Tti *uint32 `json:"tti"`
UpCap *uint32 `json:"uplinkCapacity"`
DownCap *uint32 `json:"downlinkCapacity"`
Congestion *bool `json:"congestion"`
ReadBufferSize *uint32 `json:"readBufferSize"`
WriteBufferSize *uint32 `json:"writeBufferSize"`
HeaderConfig json.RawMessage `json:"header"`
}
jsonConfig := new(JSONConfig)
if err := json.Unmarshal(data, &jsonConfig); err != nil {
return err
}
if jsonConfig.Mtu != nil {
mtu := *jsonConfig.Mtu
if mtu < 576 || mtu > 1460 {
log.Error("KCP|Config: Invalid MTU size: ", mtu)
return common.ErrBadConfiguration
}
this.Mtu = mtu
}
if jsonConfig.Tti != nil {
tti := *jsonConfig.Tti
if tti < 10 || tti > 100 {
log.Error("KCP|Config: Invalid TTI: ", tti)
return common.ErrBadConfiguration
}
this.Tti = tti
}
if jsonConfig.UpCap != nil {
this.UplinkCapacity = *jsonConfig.UpCap
}
if jsonConfig.DownCap != nil {
this.DownlinkCapacity = *jsonConfig.DownCap
}
if jsonConfig.Congestion != nil {
this.Congestion = *jsonConfig.Congestion
}
if jsonConfig.ReadBufferSize != nil {
size := *jsonConfig.ReadBufferSize
if size > 0 {
this.ReadBuffer = size * 1024 * 1024
} else {
this.ReadBuffer = 512 * 1024
}
}
if jsonConfig.WriteBufferSize != nil {
size := *jsonConfig.WriteBufferSize
if size > 0 {
this.WriteBuffer = size * 1024 * 1024
} else {
this.WriteBuffer = 512 * 1024
}
}
if len(jsonConfig.HeaderConfig) > 0 {
name, config, err := internet.CreateAuthenticatorConfig(jsonConfig.HeaderConfig)
if err != nil {
log.Error("KCP|Config: Failed to parse header config: ", err)
return err
}
this.HeaderType = name
this.HeaderConfig = config
}
return nil
}