utils

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Versions in this module

v1

v1.2.5

Dec 28, 2022

Changes in this version

+ const ReadvSingleBufLen

+ const Readv_buffer_allocLen

+ var ErrInvalidWrite = errors.New("readfrom, invalid write result")

+ var LogLevelForFile int = -1

+ func AnyToUInt16Array(a any) ([]uint16, bool)

+ func ArrayToPtrArray(a []T) (r []*T)

+ func BuffersToMultiReader(bs [][]byte) io.Reader

+ func ClassicCopy(w io.Writer, r io.Reader) (written int64, err error)

+ func DownloadAndUnzip(fname, downloadLink, dst string) (ok bool)

+ func ExecCmd(cmdStr string) (err error)

+ func ExecCmdList(strs []string) (err error)

+ func ExecCmdMultilineList(cmdStr string) (err error)

+ func FmtPrintRunCmd(name string, arg ...string) (out string, err error)

+ func GetBuffers() [][]byte

+ func GetPurgedTomlBytes(v any) ([]byte, error)

+ func GetSystemKillChan() <-chan os.Signal

+ func LogExecCmdList(strs []string) (err error)

+ func LogRunCmd(name string, arg ...string) (out string, err error)

+ func MergeBuffersWithPrefix(prefix []byte, bs [][]byte) (result []byte, duplicate bool)

+ func OpenFile(name string) error

+ func Openbrowser(url string) error

+ func PutBuffers(bs [][]byte)

+ func Put_readvMem(rm *ReadvMem)

+ func ReadvFrom(rawReadConn syscall.RawConn, rm *ReadvMem) ([][]byte, error)

+ func ReplaceBytesSynonyms(bs []byte, synonyms [][2][]byte) (result []byte)

+ func ReplaceStringsSynonyms(bs string, synonyms [][2]string) (result string)

+ func SimpleDownloadFile(fname, downloadLink string) (ok bool)

+ func StandardizeSpaces(s string) string

+ type BuffersReader interface

+ PutBuffers func([][]byte)

+ ReadBuffers func() ([][]byte, error)

+ type DownloadPrintCounter struct

+ Total uint64

+ func (wc *DownloadPrintCounter) Write(p []byte) (int, error)

+ func (wc DownloadPrintCounter) PrintProgress()

+ type HashReader struct

+ func NewHashReader(conn io.Reader, key []byte) *HashReader

+ func (c *HashReader) Read(b []byte) (n int, err error)

+ func (c *HashReader) Sum() []byte

+ type HashWriter struct

+ func NewHashWriter(conn io.Writer, key []byte) *HashWriter

+ func (c *HashWriter) StopHashing()

+ func (c *HashWriter) Sum() []byte

+ func (c *HashWriter) Write(p []byte) (n int, err error)

+ func (c *HashWriter) Written() bool

type MultiReader

+ CanMultiRead func() bool

+ type NilCloserWrapper struct

+ func (nc NilCloserWrapper) Close() error

+ type PrefixWriter struct

+ Prefix []byte

+ func (lw *PrefixWriter) Write(p []byte) (n int, err error)

+ type ReadvMem struct

+ Buffers [][]byte

+ Mr SystemReadver

+ func Get_readvMem() *ReadvMem

+ type Readver interface

+ GetRawForReadv func() syscall.RawConn

+ type SimpleCloser interface

+ Close func()

+ type UserAssigner interface

+ SetUser func(User)

v1.2.5-test.34

Dec 16, 2022

v1.2.5-test.30

Dec 14, 2022

v1.2.5-test.29

Dec 14, 2022

v1.2.5-test.28

Dec 12, 2022

v1.2.5-beta.3

Dec 27, 2022

v1.2.5-beta.2

Dec 22, 2022

v1.2.5-beta.1

Dec 20, 2022

v1.2.5-alpha.2

Dec 15, 2022

v1.2.5-alpha.1

Dec 12, 2022

v1.2.4

Dec 4, 2022

Changes in this version

+ const ExampleUUID

+ const SystemAutoUseAes

+ var ErrUnImplemented = errors.New("not implemented")

+ var ExtraSearchPath = ""

+ func AnyToBool(a any) (v bool, ok bool)

+ func AnyToFloat64(a any) (float64, bool)

+ func AnyToInt64(a any) (int64, bool)

+ func CommonSplit(s, e1, e2 string) (ok bool, v1, v2 string)

+ func CommonSplit_regex(s, e1, e2 string) (ok bool, v1, v2 string)

+ func CommonSplit_strings(s, e1, e2 string) (ok bool, v1, v2 string)

+ func MoveItem(arr *[]T, fromIndex, toIndex int)

+ func QueryNegative(query url.Values, key string) bool

+ func QueryPositive(query url.Values, key string) bool

+ func SortByOrder(arr []T, order []int) []T

+ func Splice(source *[]T, start int, delete int, item ...T) (removed []T)

+ func StrNegative(value string) bool

+ func StrPositive(value string) bool

+ type Errs struct

+ List []ErrsItem

+ func (e Errs) Error() string

+ func (e Errs) OK() bool

+ func (e Errs) String() string

+ func (ee *Errs) Add(e ErrsItem)

+ type ErrsItem struct

+ E error

+ Index int

+ type MultiCloser struct

+ Closers []io.Closer

+ func (cc *MultiCloser) Close() (result error)

+ type UUID [UUID_BytesLen]byte

+ type UserAuthenticator interface

+ AuthBytesLen func() int

+ AuthUserByBytes func(authBytes []byte) User

+ AuthUserByStr func(authStr string) User

+ type UserSet interface

+ HasUserByBytes func(bs []byte) User

+ IDBytesLen func() int

v1.2.4-patch.1

Dec 5, 2022

v1.2.4-beta.7

Dec 3, 2022

v1.2.4-beta.6

Nov 3, 2022

v1.2.4-beta.5

Nov 1, 2022

v1.2.4-beta.4

Oct 31, 2022

v1.2.4-beta.3

Sep 15, 2022

v1.2.4-beta.2

May 26, 2022

v1.2.4-beta.1

May 22, 2022

v1.2.3

May 20, 2022

Changes in this version

+ var ErrNoMatch = errors.New("no matched")

+ func TryDownloadWithProxyUrl(proxyUrl, downloadLink string) (thehttpClient *http.Client, resp *http.Response, err error)

type ErrBuffer

+ func (e ErrBuffer) Is(target error) bool

type MultiUserMap

+ AuthBytesToStrFunc func([]byte) string

+ AuthMap map[string]User

+ AuthStrToBytesFunc func(string) []byte

+ IDBytesToStrFunc func([]byte) string

+ IDMap map[string]User

+ IDStrToBytesFunc func(string) []byte

+ StoreKeyByStr bool

+ TheAuthBytesLen int

+ TheIDBytesLen int

+ func (mu *MultiUserMap) AddUser_nolock(u User)

+ func (mu *MultiUserMap) AuthBytesLen() int

+ func (mu *MultiUserMap) AuthUserByBytes(bs []byte) User

+ func (mu *MultiUserMap) AuthUserByStr(str string) User

+ func (mu *MultiUserMap) IDBytesLen() int

type NumErr

+ E error

+ func (e NumErr) Is(target error) bool

+ func (ef NumErr) Unwarp() error

+ type NumStrErr struct

+ N int

+ Prefix string

+ func (ne NumStrErr) Error() string

type User

+ AuthBytes func() []byte

+ AuthStr func() string

+ IdentityBytes func() []byte

+ IdentityStr func() string

+ type UserAuther interface

+ AuthBytesLen func() int

+ AuthUserByBytes func(authBytes []byte) User

+ AuthUserByStr func(authStr string) User

type UserHaser

+ IDBytesLen func() int

type UserPass

+ func NewUserPassByData(user, pass []byte) *UserPass

+ func (ph *UserPass) AuthBytes() []byte

+ func (ph *UserPass) AuthStr() string

+ func (ph *UserPass) AuthUserByBytes(bs []byte) User

+ func (ph *UserPass) AuthUserByStr(idStr string) User

+ func (ph *UserPass) IdentityBytes() []byte

+ func (ph *UserPass) IdentityStr() string

type V2rayUser

+ func InitRealV2rayUsers(uc []UserConf) (us []V2rayUser)

+ func (u V2rayUser) AuthBytes() []byte

+ func (u V2rayUser) AuthStr() string

+ func (u V2rayUser) IdentityBytes() []byte

+ func (u V2rayUser) IdentityStr() string

+ type WriteWrapper interface

+ GetRawWriter func() io.Writer

+ SetRawWriter func(io.Writer)

v1.2.3-beta.2

May 16, 2022

v1.2.3-beta.1

May 15, 2022

v1.2.3-alpha.1

May 13, 2022

v1.2.2

May 12, 2022

Changes in this version

+ const UUID_BytesLen

+ func StrToUUID_slice(s string) []byte

+ type InvalidDataErr string

+ func (e InvalidDataErr) Error() string

+ func (e InvalidDataErr) Is(err error) bool

+ type MultiUserMap struct

+ Key_BytesToStrFunc func([]byte) string

+ Key_StrToBytesFunc func(string) []byte

+ Mutex sync.RWMutex

+ StoreKeyAsStr bool

+ TheUserBytesLen int

+ UserMap map[string]User

+ func NewMultiUserMap() *MultiUserMap

+ func (mu *MultiUserMap) AddUser(u User) error

+ func (mu *MultiUserMap) DelUser(u User) error

+ func (mu *MultiUserMap) GetUserByBytes(bs []byte) User

+ func (mu *MultiUserMap) GetUserByPass(user, pass []byte) User

+ func (mu *MultiUserMap) GetUserByStr(str string) User

+ func (mu *MultiUserMap) HasUserByBytes(bs []byte) bool

+ func (mu *MultiUserMap) HasUserByStr(str string) bool

+ func (mu *MultiUserMap) LoadUsers(us []User)

+ func (mu *MultiUserMap) SetUseUUIDStr_asKey()

+ func (mu *MultiUserMap) UserBytesLen() int

type User

+ func InitV2rayUsers(uc []UserConf) (us []User)

+ type UserConf struct

+ Pass string

+ User string

+ type UserGetter interface

+ GetUserByBytes func(bs []byte) User

+ GetUserByStr func(idStr string) User

+ type UserPass struct

+ Password []byte

+ UserID []byte

+ func NewUserPass(uc UserConf) *UserPass

+ func (ph *UserPass) GetIdentityBytes() []byte

+ func (ph *UserPass) GetIdentityStr() string

+ func (ph *UserPass) GetUserByBytes(bs []byte) User

+ func (ph *UserPass) GetUserByPass(user, pass []byte) User

+ func (ph *UserPass) GetUserByStr(idStr string) User

+ func (ph *UserPass) InitWithStr(str string)

+ func (ph *UserPass) InitWithUrl(u *url.URL)

+ func (ph *UserPass) Valid() bool

+ type UserPassContainer interface

+ type UserPassMatcher interface

+ GetUserByPass func(user, pass []byte) User

+ type UserWithPass interface

+ GetPassword func() []byte

v1.2.2-beta.1

May 9, 2022

v1.2.1

May 8, 2022

Changes in this version

+ var ErrInvalidNumber = errors.New("invalid number")

+ func GivenFlagKVs() (r map[string]string)

+ func PrintStr(str string)

+ type EasyUserPassHolder struct

+ Password []byte

+ User []byte

+ func (ph *EasyUserPassHolder) HasUserPass() bool

+ func (ph *EasyUserPassHolder) InitWithStr(str string)

+ func (ph *EasyUserPassHolder) InitWithUrl(u *url.URL)

v1.2.1-beta.1

May 6, 2022

v1.2.0

May 6, 2022

Changes in this version

+ var GivenFlags map[string]*flag.Flag

+ func GetGivenFlags() (m map[string]*flag.Flag)

+ func ParseFlags()

+ type ChanCloser struct

+ func NewChanCloser() (*ChanCloser, chan struct{})

+ func (cc *ChanCloser) Close() error

+ type DummyReadCloser struct

+ ReadCount int

+ func (DummyReadCloser) Close() error

+ func (d *DummyReadCloser) Read(p []byte) (int, error)

+ type DummyWriteCloser struct

+ WriteCount int

+ func (DummyWriteCloser) Close() error

+ func (d *DummyWriteCloser) Write(p []byte) (int, error)

+ type ErrBuffer struct

+ Buf *bytes.Buffer

+ Err error

+ func (ef ErrBuffer) Error() string

+ func (ef ErrBuffer) Unwarp() error

type ErrInErr

+ ExtraIs []error

+ type ReadSwitcher struct

+ New io.Reader

+ Old io.Reader

+ SwitchChan chan struct{}

+ func (d *ReadSwitcher) Close() error

+ func (d *ReadSwitcher) Read(p []byte) (int, error)

+ type ReadWrapper struct

+ OptionalReader io.Reader

+ RemainFirstBufLen int

+ func (rw *ReadWrapper) Close() error

+ func (rw *ReadWrapper) Read(p []byte) (n int, err error)

+ type User interface

+ GetIdentityBytes func() []byte

+ GetIdentityStr func() string

+ type UserBus interface

+ AddUser func(User) error

+ DelUser func(User)

+ type UserConn interface

+ GetProtocolVersion func() int

+ type UserContainer interface

+ GetUserByBytes func(bs []byte) User

+ GetUserByStr func(idStr string) User

+ type UserHaser interface

+ HasUserByBytes func(bs []byte) bool

+ UserBytesLen func() int

+ type V2rayUser [16]byte

+ func NewV2rayUser(s string) (V2rayUser, error)

+ func (u V2rayUser) GetIdentityBytes() []byte

+ func (u V2rayUser) GetIdentityStr() string

+ type WriteSwitcher struct

+ New io.Writer

+ Old io.Writer

+ SwitchChan chan struct{}

+ func (d *WriteSwitcher) Close() error

+ func (d *WriteSwitcher) Write(p []byte) (int, error)

v1.2.0-beta.4

May 3, 2022

v1.2.0-beta.3

May 2, 2022

v1.2.0-beta.2

May 2, 2022

v1.2.0-beta.1

May 1, 2022

v1.2.0-alpha.4

Apr 29, 2022

v1.2.0-alpha.3

Apr 29, 2022

v1.2.0-alpha.2

Apr 29, 2022

v1.2.0-alpha.1

Apr 29, 2022

v1.1.9

Apr 29, 2022

Changes in this version

+ const DefaultLL

+ const Log_debug

+ const Log_dpanic

+ const Log_error

+ const Log_fatal

+ const Log_info

+ const Log_panic

+ const Log_warning

+ const MTU

+ const MaxPacketLen

+ const ProjectName

+ const ProjectPath

+ var ErrFailed = errors.New("failed")

+ var ErrHandled = errors.New("handled")

+ var ErrInvalidData = errors.New("invalid data")

+ var ErrInvalidParameter = errors.New("invalid parameter")

+ var ErrNilOrWrongParameter = errors.New("nil or wrong parameter")

+ var ErrNilParameter = errors.New("nil parameter")

+ var ErrNotImplemented = errors.New("not implemented")

+ var ErrShortRead = errors.New("short read")

+ var ErrWrongParameter = errors.New("wrong parameter")

+ var LogLevel int

+ var LogOutFileName string

+ var ShouldLogToFile bool

+ var ZapLogger *zap.Logger

+ func AllSubSets(set []T) (subsets [][]T)

+ func AllSubSets_improve1(set []T) (subsets [][]T)

+ func BuffersLen(bs [][]byte) (allnum int)

+ func BuffersWriteTo(bs [][]byte, writeConn io.Writer) (num int64, err2 error)

+ func CanLogDebug(msg string) *zapcore.CheckedEntry

+ func CanLogErr(msg string) *zapcore.CheckedEntry

+ func CanLogFatal(msg string) *zapcore.CheckedEntry

+ func CanLogInfo(msg string) *zapcore.CheckedEntry

+ func CanLogLevel(l int, msg string) *zapcore.CheckedEntry

+ func CanLogWarn(msg string) *zapcore.CheckedEntry

+ func CloneSlice(a []T) (r []T)

+ func Debug(msg string)

+ func DirExist(dirname string) bool

+ func Error(msg string)

+ func Fatal(msg string)

+ func FileExist(path string) bool

+ func GenerateRandomChar() byte

+ func GenerateRandomString() string

+ func GenerateUUID() (r [16]byte)

+ func GenerateUUIDStr() string

+ func GenerateUUID_v4() (r [16]byte)

+ func GetActualFlags() (m map[string]*flag.Flag)

+ func GetBuf() *bytes.Buffer

+ func GetBytes(size int) []byte

+ func GetFilePath(fileName string) string

+ func GetMTU() []byte

+ func GetMapSortedKeySlice(theMap map[K]V) []K

+ func GetPacket() []byte

+ func GetPurgedTomlStr(v any) (string, error)

+ func GetRandomWord() (result string) — darwin/amd64, linux/amd64

+ func GetRandomWord() string — js/wasm, windows/amd64

+ func Info(msg string)

+ func InitLog()

+ func IsFilePath(s string) error

+ func IsFlagGiven(name string) bool

+ func IsTimezoneCN() bool

+ func LogLevelStr(lvl int) string

+ func LogLevelStrList() (sl []string)

+ func MergeBuffers(bs [][]byte) (result []byte, duplicate bool)

+ func PrintBuffers(bs [][]byte)

+ func PutBuf(buf *bytes.Buffer)

+ func PutBytes(bs []byte)

+ func PutPacket(bs []byte)

+ func RecoverBuffers(bs [][]byte, oldLen, old_sub_len int) [][]byte

+ func ShrinkBuffers(bs [][]byte, all_len int, SingleBufLen int) int

+ func StrToUUID(s string) (uuid [16]byte, err error)

+ func TrimSlice(a []T, deleteIndex int) []T

+ func UUIDToStr(u [16]byte) string

+ func Warn(msg string)

+ func WrapFuncForPromptUI(f func(string) bool) func(string) error

+ type ByteReader interface

+ Read func(p []byte) (n int, err error)

+ ReadByte func() (byte, error)

+ type ByteWriter interface

+ Write func(p []byte) (n int, err error)

+ WriteByte func(byte) error

+ type ErrFirstBuffer struct

+ Err error

+ First *bytes.Buffer

+ func (ef ErrFirstBuffer) Error() string

+ func (ef ErrFirstBuffer) Unwarp() error

+ type ErrInErr struct

+ Data any

+ ErrDesc string

+ ErrDetail error

+ func (e ErrInErr) Error() string

+ func (e ErrInErr) Is(err error) bool

+ func (e ErrInErr) String() string

+ func (e ErrInErr) Unwarp() error

+ type Heap struct

+ Array []T

+ LessFunc func(i, j int, a []T) bool

+ func (h *Heap[T]) Fix(i int)

+ func (h *Heap[T]) Init()

+ func (h *Heap[T]) Len() int

+ func (h *Heap[T]) Pop() T

+ func (h *Heap[T]) Push(x T)

+ func (h *Heap[T]) Remove(i int) T

+ type MultiReader interface

+ ReadBuffers func() ([][]byte, error)

+ WillReadBuffersBenifit func() bool

+ type MultiWriter interface

+ WriteBuffers func([][]byte) (int64, error)

+ type NumErr struct

+ N int

+ Prefix string

+ func (ne NumErr) Error() string

+ type RW struct

+ type SystemReadver interface

+ Clear func()

+ Init func(bs [][]byte, singleBufLen int)

+ Read func(fd uintptr) (uint32, error)

+ Recover func(bsLen int, bs [][]byte)

+ func GetReadVReader() SystemReadver

v1.1.9-beta.1

Apr 27, 2022

v1.1.9-alpha.1

Apr 25, 2022

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