helper

package
v0.0.0-...-52087c1 Latest Latest
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 Go to latest Published: Aug 10, 2023 License: MIT Imports: 29 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	VAL_TYPE_DEFAULT             = 0x0
	VAL_TYPE_INT                 = 0x1
	VAL_TYPE_STRING              = 0x2
	VAL_TYPE_INTERFACE_ARRAY     = 0x3
	VAL_TYPE_STRING_TO_INTERFACE = 0x4
	VAL_TYPE_JSON_NUMBER         = 0x5 //float64
	VAL_TYPE_FLOAT64             = 0x5
)

Variables

View Source 
var (
	ErrTreeNotFoundParent = errors.New("not found parent node")
)

Functions

func Abs 

func Abs(x int) int

func ArrayFilter 

func ArrayFilter[T any](arr []T, f func(T) bool) []T

Pointer type is recommended

func ArrayMap 

func ArrayMap[T any, R any](arr []T, f func(T) R) []R

func GetAvaliablePort 

func GetAvaliablePort() (int, error)

func GetCPUInfo 

func GetCPUInfo() (*[]CPUInfo, error)

func GetCPUUsage 

func GetCPUUsage() ([]float64, error)

func GetCPUUsageTotal 

func GetCPUUsageTotal() (float64, error)

func GetCaptchaMethodKey 

func GetCaptchaMethodKey(otype string, method string) string

根据验证码类型与操作名获取key

func GetConfigInteger 

func GetConfigInteger(name string) int

func GetConfigString 

func GetConfigString(name string) string

func GetContext 

func GetContext() c.Context

func GetDiskUsage 

func GetDiskUsage() (float64, uint64, uint64, error)

func GetInterfaceType 

func GetInterfaceType(i interface{}) int

func GetMaxContainer 

func GetMaxContainer() int

func GetMemUsage 

func GetMemUsage() (float64, uint64, uint64, error)

ret:

  1. percent of usage, 2. total memory, 3. used memory, 4. error

func GetNetUsage 

func GetNetUsage() (uint64, uint64, error)

ret: 1. recv bytes, 2. sent bytes, 3. error

func GetNetUsagePercent 

func GetNetUsagePercent() (float64, float64, error)

func GetProcessInfo 

func GetProcessInfo() (*[]ProcessInfo, error)

func HandleSensitiveString 

func HandleSensitiveString(src string) string

func Hash2Int 

func Hash2Int(src string) int

func HttpGet 

func HttpGet(url string, data interface{}) (int, string, error)

https request get, data is a struct which will be converted to urlencoded query string example: 

type User struct {
	Name string `json:"name"`
}

httpsGet("http://www.example.com?name=hello", &User{})

func HttpPayloadMultipartFile 

func HttpPayloadMultipartFile(filename string, file io.Reader) httpPayloadMultipartFile

func HttpPostJson 

func HttpPostJson(url string, data interface{}) (int, string, error)

https request post json data

func InitServerConfig 

func InitServerConfig()

func Md5 

func Md5(src string) string

func ParseIpFromStr 

func ParseIpFromStr(ip string) int

根据ip字符串返回ip的int形式，对于ipv6，映射到ipv4上

func Random 

func Random(min int, max int) int

func RandomStr 

func RandomStr(len int) string

func SendAndParse 

func SendAndParse[T any](method string, url string, options ...HttpOptions) (T, error)

func SendGetAndParse 

func SendGetAndParse[T any](url string, options ...HttpOptions) (T, error)

func SendGetAsync 

func SendGetAsync(url string, final func(io.ReadCloser, *ResponseHeader, error), options ...HttpOptions)

SendGetAsync is not a real async function, it only open the connection and pass the reader to user, to close the connection, the final function should be passed, and user will not be nervous about the connection leak

func SendPostAndParse 

func SendPostAndParse[T any](url string, options ...HttpOptions) (T, error)

func SendPostAsync 

func SendPostAsync(url string, final func(io.ReadCloser, *ResponseHeader, error), options ...HttpOptions)

SendPostAsync is not a real async function, it only open the connection and pass the reader to user, to close the connection, the final function should be passed, and user will not be nervous about the connection leak

func StringJoin 

func StringJoin(strs ...string) string

func TimeoutWrapper 

func TimeoutWrapper(timeout time.Duration, success_chan chan bool) bool

TimeoutWrapper is a wrapper for timeout, which will return true if timeout, if not, return false success_chan is required to be passed to infer that the task is done

Types

type CPUInfo 

type CPUInfo struct {
	ModelName string  `json:"model_name"`
	Cores     int32   `json:"cores"`
	Mhz       float64 `json:"mhz"`
}

type Compareable 

type Compareable interface {
	int | int8 | int16 | int32 | int64 |
		uint | uint8 | uint16 | uint32 | uint64 |
		string
}

type HighGranularityMutex 

type HighGranularityMutex[K Compareable] struct {
	// contains filtered or unexported fields
}

func NewHighGranularityMutex 

func NewHighGranularityMutex[K Compareable]() *HighGranularityMutex[K]

func (*HighGranularityMutex[K]) Lock 

func (c *HighGranularityMutex[K]) Lock(id K)

func (*HighGranularityMutex[K]) Unlock 

func (c *HighGranularityMutex[K]) Unlock(id K)

type HttpOptions 

type HttpOptions struct {
	Type  string
	Value interface{}
}

func HttpHeader 

func HttpHeader(header map[string]string) HttpOptions

func HttpNoRedirect 

func HttpNoRedirect() HttpOptions

func HttpParams 

func HttpParams(params map[string]string) HttpOptions

which is used for params with in url

func HttpPayload 

func HttpPayload(payload map[string]string) HttpOptions

which is used for POST method only

func HttpPayloadJson 

func HttpPayloadJson(payload interface{}) HttpOptions

which is used for POST method only

func HttpPayloadText 

func HttpPayloadText(payload string) HttpOptions

which is used for POST method only

func HttpProxy 

func HttpProxy(proxy string, user string, password string) HttpOptions

func HttpPyloadMultipart 

func HttpPyloadMultipart(payload map[string]string, files ...httpPayloadMultipartFile) HttpOptions

func HttpTimeout 

func HttpTimeout(timeout int64) HttpOptions

milliseconds

func HttpWithDirectReferer 

func HttpWithDirectReferer() HttpOptions

func HttpWithRandomUA 

func HttpWithRandomUA() HttpOptions

func HttpWithRetCode 

func HttpWithRetCode(retCode *int) HttpOptions

type ProcessInfo 

type ProcessInfo struct {
	Pid     int32   `json:"pid"`
	Name    string  `json:"name"`
	User    string  `json:"user"`
	CPU     float64 `json:"cpu"`
	Memory  uint64  `json:"memory"`
	MemoryP float64 `json:"memory_percent"`
}

type ResponseHeader 

type ResponseHeader map[string]string

func NewResponseHeader 

func NewResponseHeader(header http.Header) *ResponseHeader

func SendDelete 

func SendDelete(url string, options ...HttpOptions) ([]byte, *ResponseHeader, error)

func SendGet 

func SendGet(url string, options ...HttpOptions) ([]byte, *ResponseHeader, error)

func SendPost 

func SendPost(url string, options ...HttpOptions) ([]byte, *ResponseHeader, error)

func SendPut 

func SendPut(url string, options ...HttpOptions) ([]byte, *ResponseHeader, error)

func (*ResponseHeader) FindContentEncoding 

func (r *ResponseHeader) FindContentEncoding() string

func (*ResponseHeader) FindContentLength 

func (r *ResponseHeader) FindContentLength() int64

func (*ResponseHeader) FindContentType 

func (r *ResponseHeader) FindContentType() string

func (*ResponseHeader) FindKey 

func (r *ResponseHeader) FindKey(key string) string

func (*ResponseHeader) ToString 

func (r *ResponseHeader) ToString() string

type Tree 

type Tree[K Compareable, V any] struct {
	// contains filtered or unexported fields
}

Not thread safety

func NewTree 

func NewTree[K, V Compareable]() *Tree[K, V]

func (*Tree[K, V]) AddNode 

func (t *Tree[K, V]) AddNode(key K, value *V)

add node

func (*Tree[K, V]) AddParent 

func (t *Tree[K, V]) AddParent(key K, value *V)

add parent if you want to add parent to a relative root node

func (*Tree[K, V]) AddToParent 

func (t *Tree[K, V]) AddToParent(parent_id K, key K, value *V) error

add to parent

func (*Tree[K, V]) CheckIfParent 

func (t *Tree[K, V]) CheckIfParent(parent_id K, client_id K) bool

check if the node holds parent_id as key is parent of node holds client_id as key

func (*Tree[K, V]) GetAllChildren 

func (t *Tree[K, V]) GetAllChildren() map[K]*V

func (*Tree[K, V]) GetNode 

func (t *Tree[K, V]) GetNode(id K) *Tree[K, V]

func (*Tree[K, V]) Remove 

func (t *Tree[K, V]) Remove(key K)

remove key from children

func (*Tree[K, V]) WalkReverse 

func (t *Tree[K, V]) WalkReverse(cb func(K, *V))

Walk tree from bottom leaf to root

Source Files

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