Add admin panel, manager, node_manager, bandwidth limiter, connection limiter, bonding, failover, vless encryption, mkcp transport

transport/v2raykcp/config.go

@@ -0,0 +1,128 @@
+package v2raykcp
+
+import (
+	"crypto/cipher"
+
+	"github.com/sagernet/sing-box/option"
+)
+
+// Config stores the configurations for KCP transport
+type Config struct {
+	MTU              uint32
+	TTI              uint32
+	UplinkCapacity   uint32
+	DownlinkCapacity uint32
+	Congestion       bool
+	ReadBufferSize   uint32
+	WriteBufferSize  uint32
+	HeaderType       string
+	Seed             string
+}
+
+// NewConfig creates a new Config from options
+func NewConfig(options option.V2RayKCPOptions) *Config {
+	return &Config{
+		MTU:              options.GetMTU(),
+		TTI:              options.GetTTI(),
+		UplinkCapacity:   options.GetUplinkCapacity(),
+		DownlinkCapacity: options.GetDownlinkCapacity(),
+		Congestion:       options.Congestion,
+		ReadBufferSize:   options.GetReadBufferSize(),
+		WriteBufferSize:  options.GetWriteBufferSize(),
+		HeaderType:       options.GetHeaderType(),
+		Seed:             options.Seed,
+	}
+}
+
+// GetMTUValue returns the value of MTU settings.
+func (c *Config) GetMTUValue() uint32 {
+	if c == nil || c.MTU == 0 {
+		return 1350
+	}
+	return c.MTU
+}
+
+// GetTTIValue returns the value of TTI settings.
+func (c *Config) GetTTIValue() uint32 {
+	if c == nil || c.TTI == 0 {
+		return 50
+	}
+	return c.TTI
+}
+
+// GetUplinkCapacityValue returns the value of UplinkCapacity settings.
+func (c *Config) GetUplinkCapacityValue() uint32 {
+	if c == nil || c.UplinkCapacity == 0 {
+		return 12
+	}
+	return c.UplinkCapacity
+}
+
+// GetDownlinkCapacityValue returns the value of DownlinkCapacity settings.
+func (c *Config) GetDownlinkCapacityValue() uint32 {
+	if c == nil || c.DownlinkCapacity == 0 {
+		return 100
+	}
+	return c.DownlinkCapacity
+}
+
+// GetWriteBufferSize returns the size of WriterBuffer in bytes.
+func (c *Config) GetWriteBufferSize() uint32 {
+	if c == nil || c.WriteBufferSize == 0 {
+		return 2 * 1024 * 1024
+	}
+	return c.WriteBufferSize * 1024 * 1024
+}
+
+// GetReadBufferSize returns the size of ReadBuffer in bytes.
+func (c *Config) GetReadBufferSize() uint32 {
+	if c == nil || c.ReadBufferSize == 0 {
+		return 2 * 1024 * 1024
+	}
+	return c.ReadBufferSize * 1024 * 1024
+}
+
+// GetSecurity returns the security settings.
+func (c *Config) GetSecurity() (cipher.AEAD, error) {
+	if c.Seed != "" {
+		return NewAEADAESGCMBasedOnSeed(c.Seed), nil
+	}
+	return NewSimpleAuthenticator(), nil
+}
+
+// GetHeaderType returns the header type
+func (c *Config) GetHeaderType() string {
+	if c.HeaderType == "" {
+		return "none"
+	}
+	return c.HeaderType
+}
+
+// GetPacketHeader builds a new PacketHeader for this config.
+func (c *Config) GetPacketHeader() PacketHeader {
+	return NewPacketHeader(c.GetHeaderType())
+}
+
+func (c *Config) GetSendingInFlightSize() uint32 {
+	size := c.GetUplinkCapacityValue() * 1024 * 1024 / c.GetMTUValue() / (1000 / c.GetTTIValue())
+	if size < 8 {
+		size = 8
+	}
+	return size
+}
+
+func (c *Config) GetSendingBufferSize() uint32 {
+	return c.GetWriteBufferSize() / c.GetMTUValue()
+}
+
+func (c *Config) GetReceivingInFlightSize() uint32 {
+	size := c.GetDownlinkCapacityValue() * 1024 * 1024 / c.GetMTUValue() / (1000 / c.GetTTIValue())
+	if size < 8 {
+		size = 8
+	}
+	return size
+}
+
+func (c *Config) GetReceivingBufferSize() uint32 {
+	return c.GetReadBufferSize() / c.GetMTUValue()
+}