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v2fly/transport/internet/kcp/config.go
2016-06-14 23:25:06 +02:00

67 lines
1.5 KiB
Go

package kcp
/*AdvancedConfig define behavior of KCP in detail
MaximumTransmissionUnit:
Largest protocol data unit that the layer can pass onwards
can be discovered by running tracepath
SendingWindowSize , ReceivingWindowSize:
the size of Tx/Rx window, by packet
ForwardErrorCorrectionGroupSize:
The the size of packet to generate a Forward Error Correction
packet, this is used to counteract packet loss.
AcknowledgeNoDelay:
Do not wait a certain of time before sending the ACK packet,
increase bandwich cost and might increase performance
Dscp:
Differentiated services code point,
be used to reconized to discriminate packet.
It is recommanded to keep it 0 to avoid being detected.
ReadTimeout,WriteTimeout:
Close the Socket if it have been silent for too long,
Small value can recycle zombie socket faster but
can cause v2ray to kill the proxy connection it is relaying,
Higher value can prevent server from closing zombie socket and
waste resources.
*/
/*Config define basic behavior of KCP
Mode:
can be one of these values:
fast3,fast2,fast,normal
<<<<<<- less delay
->>>>>> less bandwich wasted
*/
type Config struct {
Mode string
Mtu int
Sndwnd int
Rcvwnd int
Acknodelay bool
Dscp int
ReadTimeout int
WriteTimeout int
}
func (this *Config) Apply() {
effectiveConfig = *this
}
var (
effectiveConfig = Config{
Mode: "normal",
Mtu: 1350,
Sndwnd: 1024,
Rcvwnd: 1024,
Dscp: 0,
ReadTimeout: 600,
WriteTimeout: 500,
Acknodelay: false,
}
)