sys

package module

v0.0.11 Latest Latest Go to latest Published: Jun 2, 2024 License: MIT Imports: 27 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
Learn more about best practices

Repository

github.com/hxnas/pkg

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Documentation ¶

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Index ¶

Constants
Variables
func Call(ctx context.Context, callers ...Caller) (err error)
func Cat(path string) string
func FileNotExist(path string) bool
func IOCopy(ctx context.Context, w io.Writer, r io.Reader) (err error)
func IOR(ctx context.Context, r io.Reader) io.Reader
func IORE(r io.Reader, err error) io.ReadCloser
func IOW(ctx context.Context, w io.Writer) io.Writer
func IOWriteFile(ctx context.Context, src io.Reader, dstPath string, perm fs.FileMode) (err error)
func IsDir(path string) bool
func IsDirEmpty(path string) bool
func IsFile(path string) bool
func IsForkTag(tag string) bool
func IsSignaled(err error) bool
func IsSubPath(basepath, targpath string) bool
func IsSymlink(path string) bool
func MessageRecive(ctx context.Context, handleMessage func(ctx context.Context, msg string)) io.WriteCloser
func ParallelCall(ctx context.Context, callers ...Caller) error
func RandText(n int) (s string)
func ReadDirNames(path string, n int) (files []string, err error)
func ReadDirs(path string, n int) (files []fs.DirEntry, err error)
func RealPath(path string) (string, error)
func SetChroot(c *exec.Cmd, root string)
func SetCredential(c *exec.Cmd, uid, gid uint32)
func SetNewNS(c *exec.Cmd)
func SetPdeathsig(c *exec.Cmd, sig syscall.Signal)
func SkipErrCall(ctx context.Context, callers ...Caller)
func Symlink(srcPath, dstPath string) func(ctx context.Context) (err error)
func TarExtract(ctx context.Context, src io.Reader, walk TarWalkFunc, decoder ...TarDecoder) (err error)
func UserLookup(userOrId, groupOrId string) (uid, gid uint32, err error)
type Caller
- func Bind(srcPath, rootDir string, recursive ...bool) Caller
- func Chdir(target string) Caller
- func Chmod(path string, perm fs.FileMode, recursive ...bool) Caller
- func Chown(path string, uid, gid uint32, recursive ...bool) Caller
- func Chroot(target string) Caller
- func Chtimes(name string, atime, mtime, ctime time.Time) Caller
- func FileWrite[T ~string | ~[]byte](path string, data T, perm os.FileMode, overwrite ...bool) Caller
- func FileWriteCopy[T ~string | ~[]byte](writeTo, copyTo string, data T, perm os.FileMode) Caller
- func Fork(name string, args []string, env []string, tag string) Caller
- func Mkdir(path string, perm fs.FileMode, recursives ...bool) Caller
- func Mkdirs(path string) Caller
- func Mount(device, target, mType, options string, force ...bool) Caller
- func Unmount(target string, recursives ...bool) Caller
- func (f Caller) Call(ctx context.Context) (err error)
- func (f Caller) Wrap(ctx context.Context) func() error
type Env
- func NewEnv() *Env
- func (e *Env) Append(envs ...string) *Env
- func (e *Env) AppendOS() *Env
- func (e *Env) Each(walkFn func(k, v string))
- func (e *Env) Environ() (environs []string)
- func (e Env) Init() *Env
- func (e *Env) Merge(another *Env)
- func (e *Env) Set(k, v string) *Env
- func (e *Env) SetOptional(k, v string) *Env
type TarDecoder
- func (d TarDecoder) Decode(r io.Reader) io.ReadCloser
type TarWalkFunc
- func (w TarWalkFunc) Read(ctx context.Context, r io.Reader, h *tar.Header) (err error)

Constants ¶

View Source

const (
	SIGKILL = syscall.SIGKILL
	SIGINT  = syscall.SIGINT
)

Variables ¶

View Source

var B32 = base32.NewEncoding("abcdefghijklmnopqrstuvwxyz234567").WithPadding(base32.NoPadding)

Functions ¶

func Call ¶

func Call(ctx context.Context, callers ...Caller) (err error)

顺序执行

func Cat ¶

func Cat(path string) string

cat 以utf8编码读取文件文本内容

func FileNotExist ¶

func FileNotExist(path string) bool

func IOCopy ¶ added in v0.0.2

func IOCopy(ctx context.Context, w io.Writer, r io.Reader) (err error)

func IOR ¶ added in v0.0.2

func IOR(ctx context.Context, r io.Reader) io.Reader

func IORE ¶ added in v0.0.2

func IORE(r io.Reader, err error) io.ReadCloser

func IOW ¶ added in v0.0.2

func IOW(ctx context.Context, w io.Writer) io.Writer

func IOWriteFile ¶ added in v0.0.2

func IOWriteFile(ctx context.Context, src io.Reader, dstPath string, perm fs.FileMode) (err error)

func IsDir ¶

func IsDir(path string) bool

func IsDirEmpty ¶

func IsDirEmpty(path string) bool

func IsFile ¶

func IsFile(path string) bool

func IsForkTag ¶ added in v0.0.3

func IsForkTag(tag string) bool

func IsSignaled ¶ added in v0.0.9

func IsSignaled(err error) bool

func IsSubPath ¶

func IsSubPath(basepath, targpath string) bool

func IsSymlink ¶

func IsSymlink(path string) bool

func MessageRecive ¶ added in v0.0.8

func MessageRecive(ctx context.Context, handleMessage func(ctx context.Context, msg string)) io.WriteCloser

func ParallelCall ¶

func ParallelCall(ctx context.Context, callers ...Caller) error

并行执行

func RandText ¶

func RandText(n int) (s string)

randText 生成一个指定长度的随机字符串。

func ReadDirNames ¶

func ReadDirNames(path string, n int) (files []string, err error)

func ReadDirs ¶

func ReadDirs(path string, n int) (files []fs.DirEntry, err error)

func RealPath ¶

func RealPath(path string) (string, error)

func SetChroot ¶

func SetChroot(c *exec.Cmd, root string)

func SetCredential ¶

func SetCredential(c *exec.Cmd, uid, gid uint32)

func SetNewNS ¶

func SetNewNS(c *exec.Cmd)

func SetPdeathsig ¶

func SetPdeathsig(c *exec.Cmd, sig syscall.Signal)

func SkipErrCall ¶ added in v0.0.6

func SkipErrCall(ctx context.Context, callers ...Caller)

顺序执行

func Symlink ¶

func Symlink(srcPath, dstPath string) func(ctx context.Context) (err error)

Symlink 建立软链接

func TarExtract ¶ added in v0.0.2

func TarExtract(ctx context.Context, src io.Reader, walk TarWalkFunc, decoder ...TarDecoder) (err error)

func UserLookup ¶

func UserLookup(userOrId, groupOrId string) (uid, gid uint32, err error)

Types ¶

type Caller ¶

type Caller func(ctx context.Context) (err error)

func Bind ¶

func Bind(srcPath, rootDir string, recursive ...bool) Caller

func Chdir ¶

func Chdir(target string) Caller

func Chmod ¶

func Chmod(path string, perm fs.FileMode, recursive ...bool) Caller

func Chown ¶

func Chown(path string, uid, gid uint32, recursive ...bool) Caller

func Chroot ¶

func Chroot(target string) Caller

func Chtimes ¶ added in v0.0.5

func Chtimes(name string, atime, mtime, ctime time.Time) Caller

func FileWrite ¶

func FileWrite[T ~string | ~[]byte](path string, data T, perm os.FileMode, overwrite ...bool) Caller

fileWrite 写入文件，存在则跳过

func FileWriteCopy ¶

func FileWriteCopy[T ~string | ~[]byte](writeTo, copyTo string, data T, perm os.FileMode) Caller

fileWriteCopy 先写入文件到 writeTo，存在则跳过写入，再复制到 copyTo，存在则跳过

func Fork ¶ added in v0.0.3

func Fork(name string, args []string, env []string, tag string) Caller

func Mkdir ¶

func Mkdir(path string, perm fs.FileMode, recursives ...bool) Caller

func Mkdirs ¶

func Mkdirs(path string) Caller

func Mount ¶

func Mount(device, target, mType, options string, force ...bool) Caller

func Unmount ¶

func Unmount(target string, recursives ...bool) Caller

func (Caller) Call ¶

func (f Caller) Call(ctx context.Context) (err error)

func (Caller) Wrap ¶

func (f Caller) Wrap(ctx context.Context) func() error

type Env ¶

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

func NewEnv ¶

func NewEnv() *Env

func (*Env) Append ¶

func (e *Env) Append(envs ...string) *Env

func (*Env) AppendOS ¶

func (e *Env) AppendOS() *Env

func (*Env) Each ¶

func (e *Env) Each(walkFn func(k, v string))

func (*Env) Environ ¶

func (e *Env) Environ() (environs []string)

func (Env) Init ¶

func (e Env) Init() *Env

func (*Env) Merge ¶

func (e *Env) Merge(another *Env)

func (*Env) Set ¶

func (e *Env) Set(k, v string) *Env

func (*Env) SetOptional ¶

func (e *Env) SetOptional(k, v string) *Env

type TarDecoder ¶ added in v0.0.2

type TarDecoder func(io.Reader) (io.ReadCloser, error)

func (TarDecoder) Decode ¶ added in v0.0.2

func (d TarDecoder) Decode(r io.Reader) io.ReadCloser

type TarWalkFunc ¶ added in v0.0.2

type TarWalkFunc func(ctx context.Context, r io.Reader, h *tar.Header) (err error)

func (TarWalkFunc) Read ¶ added in v0.0.2

func (w TarWalkFunc) Read(ctx context.Context, r io.Reader, h *tar.Header) (err error)

Source Files ¶

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