ip2region_v2

package

v1.0.215 Latest Latest Go to latest Published: Nov 11, 2023 License: MIT Imports: 12 Imported by: 0

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Repository

github.com/dtapps/go-library

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
func CheckIP(ip string) (uint32, error)
func LoadContent(handle *os.File) ([]byte, error)
func LoadContentFromFile(dbFile string) ([]byte, error)
func LoadVectorIndex(handle *os.File) ([]byte, error)
func LoadVectorIndexFromFile(dbFile string) ([]byte, error)
func Long2IP(ip uint32) string
func MidIP(sip uint32, eip uint32) uint32
func OnlineDownload()
type Client
- func New(filepath string) (*Client, error)
- func NewBuff(file []byte) (*Client, error)
- func (c *Client) Query(ipAddress net.IP) (result QueryResult, err error)
- func (c *Client) QueryIP(ipAddressStr string) (result QueryResult, err error)
type Header
- func LoadHeader(handle *os.File) (*Header, error)
- func LoadHeaderFromBuff(cBuff []byte) (*Header, error)
- func LoadHeaderFromFile(dbFile string) (*Header, error)
- func NewHeader(input []byte) (*Header, error)
type IndexPolicy
- func (i IndexPolicy) String() string
type QueryResult
type Searcher
- func NewWithBuffer(cBuff []byte) (*Searcher, error)
- func NewWithFileOnly(dbFile string) (*Searcher, error)
- func NewWithVectorIndex(dbFile string, vIndex []byte) (*Searcher, error)
- func (s *Searcher) Close()
- func (s *Searcher) GetIOCount() int
- func (s *Searcher) Search(ip uint32) (string, error)
- func (s *Searcher) SearchByStr(str string) (string, error)

Constants ¶

View Source

const (
	HeaderInfoLength      = 256
	VectorIndexRows       = 256
	VectorIndexCols       = 256
	VectorIndexSize       = 8
	SegmentIndexBlockSize = 14
)

Variables ¶

This section is empty.

Functions ¶

func CheckIP ¶

func CheckIP(ip string) (uint32, error)

func LoadContent ¶

func LoadContent(handle *os.File) ([]byte, error)

LoadContent load the whole xdb content from the specified file handle

func LoadContentFromFile ¶

func LoadContentFromFile(dbFile string) ([]byte, error)

LoadContentFromFile load the whole xdb content from the specified db file path

func LoadVectorIndex ¶

func LoadVectorIndex(handle *os.File) ([]byte, error)

LoadVectorIndex util function to load the vector index from the specified file handle

func LoadVectorIndexFromFile ¶

func LoadVectorIndexFromFile(dbFile string) ([]byte, error)

LoadVectorIndexFromFile load vector index from a specified file path

func Long2IP ¶

func Long2IP(ip uint32) string

func MidIP ¶

func MidIP(sip uint32, eip uint32) uint32

func OnlineDownload ¶

func OnlineDownload()

Types ¶

type Client ¶

type Client struct {
	// contains filtered or unexported fields
}

func New ¶

func New(filepath string) (*Client, error)

func NewBuff ¶ added in v1.0.161

func NewBuff(file []byte) (*Client, error)

func (*Client) Query ¶

func (c *Client) Query(ipAddress net.IP) (result QueryResult, err error)

func (*Client) QueryIP ¶ added in v1.0.161

func (c *Client) QueryIP(ipAddressStr string) (result QueryResult, err error)

QueryIP ip地址查询对应归属地信息

type Header ¶

type Header struct {
	// data []byte
	Version       uint16
	IndexPolicy   IndexPolicy
	CreatedAt     uint32
	StartIndexPtr uint32
	EndIndexPtr   uint32
}

func LoadHeader ¶

func LoadHeader(handle *os.File) (*Header, error)

LoadHeader load the header info from the specified handle

func LoadHeaderFromBuff ¶

func LoadHeaderFromBuff(cBuff []byte) (*Header, error)

LoadHeaderFromBuff wrap the header info from the content buffer

func LoadHeaderFromFile ¶

func LoadHeaderFromFile(dbFile string) (*Header, error)

LoadHeaderFromFile load header info from the specified db file path

func NewHeader ¶

func NewHeader(input []byte) (*Header, error)

type IndexPolicy ¶

type IndexPolicy int

const (
	VectorIndexPolicy IndexPolicy = 1
	BTreeIndexPolicy  IndexPolicy = 2
)

func (IndexPolicy) String ¶

func (i IndexPolicy) String() string

type QueryResult ¶

type QueryResult struct {
	Ip       string `json:"ip,omitempty"`       // ip
	Country  string `json:"country,omitempty"`  // 国家
	Province string `json:"province,omitempty"` // 省份
	City     string `json:"city,omitempty"`     // 城市
	Operator string `json:"operator,omitempty"` // 运营商
}

QueryResult 返回

type Searcher ¶

type Searcher struct {
	// contains filtered or unexported fields
}

func NewWithBuffer ¶

func NewWithBuffer(cBuff []byte) (*Searcher, error)

func NewWithFileOnly ¶

func NewWithFileOnly(dbFile string) (*Searcher, error)

func NewWithVectorIndex ¶

func NewWithVectorIndex(dbFile string, vIndex []byte) (*Searcher, error)

func (*Searcher) Close ¶

func (s *Searcher) Close()

func (*Searcher) GetIOCount ¶

func (s *Searcher) GetIOCount() int

GetIOCount return the global io count for the last search

func (*Searcher) Search ¶

func (s *Searcher) Search(ip uint32) (string, error)

Search find the region for the specified long ip

func (*Searcher) SearchByStr ¶

func (s *Searcher) SearchByStr(str string) (string, error)

SearchByStr find the region for the specified ip string

Source Files ¶

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