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v2fly/transport/internet/kcp/config.go
Darien Raymond 41258f19fc
comments
2016-12-08 16:37:04 +01:00

111 lines
2.2 KiB
Go

package kcp
import (
"crypto/cipher"
v2net "v2ray.com/core/common/net"
"v2ray.com/core/transport/internet"
)
// GetValue returns the value of MTU settings.
func (v *MTU) GetValue() uint32 {
if v == nil {
return 1350
}
return v.Value
}
// GetValue returns the value of TTI settings.
func (v *TTI) GetValue() uint32 {
if v == nil {
return 50
}
return v.Value
}
// GetValue returns the value of UplinkCapacity settings.
func (v *UplinkCapacity) GetValue() uint32 {
if v == nil {
return 5
}
return v.Value
}
// GetValue returns the value of DownlinkCapacity settings.
func (v *DownlinkCapacity) GetValue() uint32 {
if v == nil {
return 20
}
return v.Value
}
// GetSize returns the size of WriterBuffer in bytes.
func (v *WriteBuffer) GetSize() uint32 {
if v == nil {
return 2 * 1024 * 1024
}
return v.Size
}
// GetSize returns the size of ReadBuffer in bytes.
func (v *ReadBuffer) GetSize() uint32 {
if v == nil {
return 2 * 1024 * 1024
}
return v.Size
}
// GetSecurity returns the security settings.
func (v *Config) GetSecurity() (cipher.AEAD, error) {
return NewSimpleAuthenticator(), nil
}
func (v *Config) GetPackerHeader() (internet.PacketHeader, error) {
if v.HeaderConfig != nil {
rawConfig, err := v.HeaderConfig.GetInstance()
if err != nil {
return nil, err
}
return internet.CreatePacketHeader(v.HeaderConfig.Type, rawConfig)
}
return nil, nil
}
func (v *Config) GetSendingInFlightSize() uint32 {
size := v.UplinkCapacity.GetValue() * 1024 * 1024 / v.Mtu.GetValue() / (1000 / v.Tti.GetValue())
if size < 8 {
size = 8
}
return size
}
func (v *Config) GetSendingBufferSize() uint32 {
return v.WriteBuffer.GetSize() / v.Mtu.GetValue()
}
func (v *Config) GetReceivingInFlightSize() uint32 {
size := v.DownlinkCapacity.GetValue() * 1024 * 1024 / v.Mtu.GetValue() / (1000 / v.Tti.GetValue())
if size < 8 {
size = 8
}
return size
}
func (v *Config) GetReceivingBufferSize() uint32 {
return v.ReadBuffer.GetSize() / v.Mtu.GetValue()
}
func (o *ConnectionReuse) IsEnabled() bool {
if o == nil {
return true
}
return o.Enable
}
func init() {
internet.RegisterNetworkConfigCreator(v2net.Network_KCP, func() interface{} {
return new(Config)
})
}