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Import path: gitlab.soludian.com/soludian/fountain/libs/base/goinfo

goinfo ​

go
import "gitlab.soludian.com/soludian/fountain/libs/base/goinfo"

Package goinfo provide some standard util functions for go.

Index ​

Variables ​

some commonly consts

go
var (
    DefStackLen = 10000
    MaxStackLen = 100000
)

func CutFuncName ​

go
func CutFuncName(fullFcName string) (pkgPath, shortFnName string)

CutFuncName get pkg path and short func name eg:

"gitlab.soludian.com/soludian/fountain/libs/base/goinfo.FuncName" => [gitlab.soludian.com/soludian/fountain/libs/base/goinfo, FuncName]

func FuncName ​

go
func FuncName(fn any) string

FuncName get full func name, contains pkg path.

eg:

output: gitlab.soludian.com/soludian/fountain/libs/base/goinfo.PkgName
goinfo.FuncName(goinfo.PkgName)

func GetCallStacks ​

go
func GetCallStacks(all bool) []byte

GetCallStacks stacks is a wrapper for runtime. If all is true, Stack that attempts to recover the data for all goroutines.

from glog package

func GetCallerInfo ​

go
func GetCallerInfo(skip int) string

GetCallerInfo get caller func name and with base filename and line.

returns:

gitlab.soludian.com/soludian/fountain/libs/base/goinfo_test.someFunc2(),stack_test.go:26

func GetCallersInfo ​

go
func GetCallersInfo(skip, max int) []string

GetCallersInfo returns an array of strings containing the func name, file and line number of each stack frame leading.

NOTICE: max should > skip

func GoVersion ​

go
func GoVersion() string

GoVersion get go runtime version. eg: "1.18.2"

func PkgName ​

go
func PkgName(fullFcName string) string

PkgName get current package name

Usage:

fullFcName := goinfo.FuncName(fn)
pgkName := goinfo.PkgName(fullFcName)

func SimpleCallersInfo ​

go
func SimpleCallersInfo(skip, num int) []string

SimpleCallersInfo returns an array of strings containing the func name, file and line number of each stack frame leading.

type FullFcName ​

FullFcName struct.

go
type FullFcName struct {
    // FullName eg: gitlab.soludian.com/soludian/fountain/libs/base/goinfo.PanicIf
    FullName string
    // contains filtered or unexported fields
}

func (*FullFcName) FuncName ​

go
func (ffn *FullFcName) FuncName() string

FuncName get short func name. eg: PanicIf

func (*FullFcName) Parse ​

go
func (ffn *FullFcName) Parse()

Parse the full func name.

func (*FullFcName) PkgName ​

go
func (ffn *FullFcName) PkgName() string

PkgName string get. eg: goinfo

func (*FullFcName) PkgPath ​

go
func (ffn *FullFcName) PkgPath() string

PkgPath string get. eg: gitlab.soludian.com/soludian/fountain/libs/base/goinfo

func (*FullFcName) String ​

go
func (ffn *FullFcName) String() string

String get full func name string, pkg path and func name.

type GoInfo ​

GoInfo define

On os by:

go env GOVERSION GOOS GOARCH
go version // "go version go1.19 darwin/amd64"
go
type GoInfo struct {
    Version string
    GoOS    string
    Arch    string
}

func OsGoInfo ​

go
func OsGoInfo() (*GoInfo, error)

OsGoInfo fetch and parse

func ParseGoVersion ​

go
func ParseGoVersion(line string) (*GoInfo, error)

ParseGoVersion get info by parse `go version` results.

Examples:

line, err := sys_util.ExecLine("go version")
	if err != nil {
		return err
	}

	info, err := goinfo.ParseGoVersion()
 	dump.P(info)

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