nat

Documentation

Index

• Constants
• type Client
  • func NewClient() *Client
  • func (c *Client) CheckNatType() error
  • func (c *Client) DialUDP(serverIp string, serverPort int) error
  • func (c *Client) HasNatProtection() (bool, error)

Constants

const (
	NatTypeError    = iota // 未知类型
	NatTypeTaper           // 完全锥型
	NatTypeIp              // IP限制型
	NatTypePort            // 端口限制型
	NatTypeSymmetry        // 对称型
)

Types

type Client

type Client struct {
	Conn       *net.UDPConn // UDP连接
	ServerAddr net.UDPAddr  // UDP连接
	ExportAddr net.UDPAddr  // UDP连接
	NatType    int          // NAT 类型
}

func NewClient

func NewClient() *Client

func (*Client) CheckNatType

func (c *Client) CheckNatType() error

func (*Client) DialUDP

func (c *Client) DialUDP(serverIp string, serverPort int) error

func (*Client) HasNatProtection

func (c *Client) HasNatProtection() (bool, error)

第一步，判断是否有 NAT 防护主机向服务器