github.com/kelleygo/clashcore@v1.0.2/transport/vless/vless.go (about)

     1  package vless
     2  
     3  import (
     4  	"net"
     5  
     6  	"github.com/kelleygo/clashcore/common/utils"
     7  
     8  	"github.com/gofrs/uuid/v5"
     9  )
    10  
    11  const (
    12  	XRO = "xtls-rprx-origin"
    13  	XRD = "xtls-rprx-direct"
    14  	XRS = "xtls-rprx-splice"
    15  	XRV = "xtls-rprx-vision"
    16  
    17  	Version byte = 0 // protocol version. preview version is 0
    18  )
    19  
    20  // Command types
    21  const (
    22  	CommandTCP byte = 1
    23  	CommandUDP byte = 2
    24  	CommandMux byte = 3
    25  )
    26  
    27  // Addr types
    28  const (
    29  	AtypIPv4       byte = 1
    30  	AtypDomainName byte = 2
    31  	AtypIPv6       byte = 3
    32  )
    33  
    34  // DstAddr store destination address
    35  type DstAddr struct {
    36  	UDP      bool
    37  	AddrType byte
    38  	Addr     []byte
    39  	Port     uint16
    40  	Mux      bool // currently used for XUDP only
    41  }
    42  
    43  // Client is vless connection generator
    44  type Client struct {
    45  	uuid   *uuid.UUID
    46  	Addons *Addons
    47  }
    48  
    49  // StreamConn return a Conn with net.Conn and DstAddr
    50  func (c *Client) StreamConn(conn net.Conn, dst *DstAddr) (net.Conn, error) {
    51  	return newConn(conn, c, dst)
    52  }
    53  
    54  // NewClient return Client instance
    55  func NewClient(uuidStr string, addons *Addons) (*Client, error) {
    56  	uid, err := utils.UUIDMap(uuidStr)
    57  	if err != nil {
    58  		return nil, err
    59  	}
    60  
    61  	return &Client{
    62  		uuid:   &uid,
    63  		Addons: addons,
    64  	}, nil
    65  }