utils

package
v0.0.0-...-bf71a7b Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Dec 12, 2024 License: Apache-2.0 Imports: 45 Imported by: 11

Documentation

Index

Constants

View Source 
const (
	DefTaskPoolCount = 200
	TaskSize         = 1024
	DefReadTimeOut   = 360             // in seconds
	WriteTimeOut     = 60              // in seconds
	HandshakeTimeOut = 5               // in seconds
	MessageBeatLen   = 4 * 1024 * 1024 // in bytes

	PpMinTier = 0
	PpMaxTier = 3
)
View Source 
const (
	SIZE_OF_INT8   = 1
	SIZE_OF_UINT8  = 1
	SIZE_OF_INT16  = 2 // in byte
	SIZE_OF_UINT16 = 2 // in byte
	SIZE_OF_INT32  = 4 // in byte
	SIZE_OF_UINT32 = 4 // in byte
	SIZE_OF_INT64  = 8 // in byte
	SIZE_OF_UINT64 = 8 // in byte
)
View Source 
const (
	BufferPoolRefillInterval = 3 // in second
)
View Source 
const (
	NodeIdBits = uint(8) // node id bits size

)

Variables

View Source 
var (
	ErrNotFoundCallBack = errors.New("not found callBack function")
	ErrServerClosed     = errors.New("server has been closed")
	ErrWouldBlock       = errors.New("would block")
)

Functions

func Absolute 

func Absolute(path string) (string, error)

func AddRpcLogger 

func AddRpcLogger(w io.Writer, id string)

func ByteToString 

func ByteToString(p []byte) string

func BytesToInt16 

func BytesToInt16(b []byte) int16

func BytesToInt64 

func BytesToInt64(b []byte) int64

func BytesToUInt32 

func BytesToUInt32(b []byte) uint32

func BytesToUInt64 

func BytesToUInt64(b []byte) uint64

func BytesToUint16 

func BytesToUint16(b []byte) uint16

func Camel2Snake 

func Camel2Snake(s string) string

Camel2Snake eg. HelloWorld => hello_world

func CheckError 

func CheckError(err error) bool

CheckError TODO This is a bad way to call error log, as you cannot know where this method is called in your error log This give log line like this : [ERROR]2021/04/13 22:39:11 log.go:150: Fatal error: address 127.0.0.1: missing port in address it always refer to this file and this line If time allows, a better logging tool like "zerolog" can be used to replace these methods.

func ConvertCoronaryUtf8 

func ConvertCoronaryUtf8(in string) string

func Crc32IEEE 

func Crc32IEEE(data []byte) uint32

func DebugLog 

func DebugLog(v ...interface{})

DebugLog calls default logger and output debug log

func DebugLogf 

func DebugLogf(template string, v ...interface{})

DebugLog calls default logger and output debug log

func DebugLogfWithCalldepth 

func DebugLogfWithCalldepth(calldepth int, template string, v ...interface{})

DebugLog calls default logger and output debug log

func DetailLog 

func DetailLog(v ...interface{})

DetailLog calls default logger and output detail log

func DetailLogf 

func DetailLogf(template string, v ...interface{})

DetailLog calls default logger and output detail log

func DisableRpcLogger 

func DisableRpcLogger(id string)

func DumpTraffic 

func DumpTraffic(v ...interface{})

DumpTraffic Log calls default logger and output info log

func ECCSign 

func ECCSign(text []byte, prk *ecdsa.PrivateKey) ([]byte, error)

ECCSign signs the given text

func ECCSignBytes 

func ECCSignBytes(text, privateKey []byte) ([]byte, error)

ECCSignBytes converts the private key bytes to an ecdsa.PrivateKey and then signs the given text

func ECCVerify 

func ECCVerify(text []byte, signature []byte, key *ecdsa.PublicKey) bool

ECCVerify verifies the given signature

func ECCVerifyBytes 

func ECCVerifyBytes(text, signature, publicKey []byte) bool

ECCVerifyBytes converts the public key bytes to an ecdsa.PublicKey and then verifies the given signature

func ErrorLog 

func ErrorLog(v ...interface{})

ErrorLog call default logger and output error log

func ErrorLogf 

func ErrorLogf(template string, v ...interface{})

ErrorLogf call default logger and output error log

func FatalLogfAndExit 

func FatalLogfAndExit(exitCode int, template string, v ...interface{})

func FatalLogfAndTerminate 

func FatalLogfAndTerminate(template string, v ...interface{})

func FormatError 

func FormatError(err error) string

func GenerateRandomNumber 

func GenerateRandomNumber(start int, end int, count int) []int

GenerateRandomNumber generate (count) random numbers without repetition in the interval [start, end)

func Get16MD5 

func Get16MD5(data string) string

func Get8BitUUID 

func Get8BitUUID() string

func GetDiskUsage 

func GetDiskUsage(path string) (*disk.UsageStat, error)

func GetLastLinesFromTrafficLog 

func GetLastLinesFromTrafficLog(path string, n uint64) []string

func GetMD5 

func GetMD5(data string) string

func GetRandomString 

func GetRandomString(length int) string

GetRandomString between [0-9a-zA-Z]

func GetSequenceNumberString 

func GetSequenceNumberString(number uint64) string

func ImageCommpress 

func ImageCommpress(pathStr string) (string, error)

func InitBufferPool 

func InitBufferPool(bufferSize, poolSize int)

func InitIdWorker 

func InitIdWorker(nodeid uint8) error

func Int16ToBytes 

func Int16ToBytes(n int16) []byte

func Int64ToByte 

func Int64ToByte(n int64) []byte

func IntToString 

func IntToString(i int) string

func IsPoolFull 

func IsPoolFull() bool

func LcFirst 

func LcFirst(str string) string

LcFirst first letter lower case

func LoadTomlConfig 

func LoadTomlConfig(s interface{}, path string) error

func LoadYamlConfig 

func LoadYamlConfig(s interface{}, path string) error

func Log 

func Log(v ...interface{})

Log calls default logger and output info log

func Logf 

func Logf(template string, v ...interface{})

func MergeByte 

func MergeByte(b ...[]byte) []byte

func MergeBytes 

func MergeBytes(a, b []byte) []byte

func NextSnowFlakeId 

func NextSnowFlakeId() (int64, error)

func ParseTomlValue 

func ParseTomlValue(data string) (interface{}, error)

func RandFromSeed 

func RandFromSeed(seed string) *rand.Rand

func RegisterReqToLogger 

func RegisterReqToLogger(reqId int64, terminalId string) bool

func RegisterReqToParentReq 

func RegisterReqToParentReq(reqId, parentId int64) bool

func ReleaseBuffer 

func ReleaseBuffer(buffer []byte)

func RequestBuffer 

func RequestBuffer() []byte

func Snake2Camel 

func Snake2Camel(s string) string

Snake2Camel eg. hello_world => HelloWorld

func SplitHostPort 

func SplitHostPort(addr string) (net.IP, string, error)

func StrInSlices 

func StrInSlices(slices []string, key string) bool

func StringToInt 

func StringToInt(s string) (int, error)

func Struct2Map 

func Struct2Map(obj interface{}) map[string]interface{}

func UcFirst 

func UcFirst(str string) string

UcFirst first letter upper case

func Uint16ToBytes 

func Uint16ToBytes(n uint16) []byte

func Uint32ToBytes 

func Uint32ToBytes(n uint32) []byte

func Uint64ToBytes 

func Uint64ToBytes(n uint64) []byte

func Uint8ToBytes 

func Uint8ToBytes(n uint8) []byte

func WarnLog 

func WarnLog(v ...interface{})

func WriteTomlConfig 

func WriteTomlConfig(data interface{}, filePath string) error

func ZeroId 

func ZeroId() int64

Types

type Action 

type Action func(ctx context.Context)

type AtomicInt32 

type AtomicInt32 int32

AtomicInt32

func CreateAtomicInt32 

func CreateAtomicInt32(initialValue int32) *AtomicInt32

CreateAtomicInt32

func (*AtomicInt32) AddAndGetNew 

func (a *AtomicInt32) AddAndGetNew(delta int32) int32

AddAndGetNew

func (*AtomicInt32) CompareAndSet 

func (a *AtomicInt32) CompareAndSet(expect, update int32) bool

CompareAndSet

func (*AtomicInt32) DecrementAndGetNew 

func (a *AtomicInt32) DecrementAndGetNew() int32

DecrementAndGetNew

func (*AtomicInt32) GetAndSetAtomic 

func (a *AtomicInt32) GetAndSetAtomic(newValue int32) int32

GetAndSetAtomic

func (*AtomicInt32) GetAtomic 

func (a *AtomicInt32) GetAtomic() int32

GetAtomic

func (*AtomicInt32) GetOldAndAdd 

func (a *AtomicInt32) GetOldAndAdd(delta int32) int32

GetOldAndAdd

func (*AtomicInt32) GetOldAndDecrement 

func (a *AtomicInt32) GetOldAndDecrement() int32

GetOldAndDecrement

func (*AtomicInt32) GetOldAndIncrement 

func (a *AtomicInt32) GetOldAndIncrement() int32

GetOldAndIncrement

func (*AtomicInt32) IncrementAndGetNew 

func (a *AtomicInt32) IncrementAndGetNew() int32

IncrementAndGetNew

func (*AtomicInt32) SetAtomic 

func (a *AtomicInt32) SetAtomic(newValue int32)

SetAtomic

func (*AtomicInt32) String 

func (a *AtomicInt32) String() string

type AtomicInt64 

type AtomicInt64 int64

AtomicInt64

func CreateAtomicInt64 

func CreateAtomicInt64(initialValue int64) *AtomicInt64

CreateAtomicInt64 with initial value

func (*AtomicInt64) AddAndGetNew 

func (a *AtomicInt64) AddAndGetNew(delta int64) int64

AddAndGetNew

func (*AtomicInt64) CompareAndSet 

func (a *AtomicInt64) CompareAndSet(expect, update int64) bool

CompareAndSet

func (*AtomicInt64) DecrementAndGetNew 

func (a *AtomicInt64) DecrementAndGetNew() int64

DecrementAndGetNew

func (*AtomicInt64) GetAndSetAtomic 

func (a *AtomicInt64) GetAndSetAtomic(newValue int64) int64

GetAndSetAtomic return current and set new

func (*AtomicInt64) GetAtomic 

func (a *AtomicInt64) GetAtomic() int64

GetAtomic

func (*AtomicInt64) GetNewAndSetAtomic 

func (a *AtomicInt64) GetNewAndSetAtomic(newValue int64) int64

GetNewAndSetAtomic set new and return new

func (*AtomicInt64) GetOldAndAdd 

func (a *AtomicInt64) GetOldAndAdd(delta int64) int64

GetOldAndAdd return current and add delta to atomic

func (*AtomicInt64) GetOldAndDecrement 

func (a *AtomicInt64) GetOldAndDecrement() int64

GetOldAndDecrement return current and minus 1 to atomic

func (*AtomicInt64) GetOldAndIncrement 

func (a *AtomicInt64) GetOldAndIncrement() int64

GetOldAndIncrement return current and add 1 to atomic

func (*AtomicInt64) IncrementAndGetNew 

func (a *AtomicInt64) IncrementAndGetNew() int64

IncrementAndGetNew

func (*AtomicInt64) SetAtomic 

func (a *AtomicInt64) SetAtomic(newValue int64)

SetAtomic

func (*AtomicInt64) String 

func (a *AtomicInt64) String() string

type AutoCleanMap 

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

func NewAutoCleanMap 

func NewAutoCleanMap(delay time.Duration) *AutoCleanMap

func (*AutoCleanMap) Delete 

func (m *AutoCleanMap) Delete(key interface{})

func (*AutoCleanMap) HashKey 

func (m *AutoCleanMap) HashKey(key interface{}) bool

func (*AutoCleanMap) Load 

func (m *AutoCleanMap) Load(key interface{}) (interface{}, bool)

func (*AutoCleanMap) LoadWithoutPushDelete 

func (m *AutoCleanMap) LoadWithoutPushDelete(key interface{}) (interface{}, bool)

func (*AutoCleanMap) Store 

func (m *AutoCleanMap) Store(key, value interface{})

type AutoCleanUnsafeMap 

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

func NewAutoCleanUnsafeMap 

func NewAutoCleanUnsafeMap(delay time.Duration) *AutoCleanUnsafeMap

func (*AutoCleanUnsafeMap) Delete 

func (m *AutoCleanUnsafeMap) Delete(key interface{})

func (*AutoCleanUnsafeMap) HashKey 

func (m *AutoCleanUnsafeMap) HashKey(key interface{}) bool

func (*AutoCleanUnsafeMap) Len 

func (m *AutoCleanUnsafeMap) Len() int

func (*AutoCleanUnsafeMap) Load 

func (m *AutoCleanUnsafeMap) Load(key interface{}) (interface{}, bool)

func (*AutoCleanUnsafeMap) Store 

func (m *AutoCleanUnsafeMap) Store(key, value interface{})

type CombinedLogger 

type CombinedLogger struct {
	// contains filtered or unexported fields
}
var MyLogger *CombinedLogger
var TrafficLogger *CombinedLogger

func NewDefaultLogger 

func NewDefaultLogger(filepath string, enableStd, enableFile bool) *CombinedLogger

func NewLogger 

func NewLogger(filepath string, enableStd, enableFile bool) *CombinedLogger

func NewTrafficLogger 

func NewTrafficLogger(filePath string, enableStd, enableFile bool) *CombinedLogger

func (*CombinedLogger) ErrorLog 

func (l *CombinedLogger) ErrorLog(v ...interface{})

func (*CombinedLogger) Log 

func (l *CombinedLogger) Log(level LogLevel, v ...interface{})

func (*CombinedLogger) LogDepth 

func (l *CombinedLogger) LogDepth(level LogLevel, calldepth int, v ...interface{})

func (*CombinedLogger) SetEnablefile 

func (l *CombinedLogger) SetEnablefile(b bool)

func (*CombinedLogger) SetEnablestd 

func (l *CombinedLogger) SetEnablestd(b bool)

func (*CombinedLogger) SetLogLevel 

func (l *CombinedLogger) SetLogLevel(lv LogLevel)

SetLogLevel

type ErrUndefined 

type ErrUndefined int32

ErrUndefined

func (ErrUndefined) Error 

func (e ErrUndefined) Error() string

type Event 

type Event struct {
	Id   uint64
	Name string
}

type Fsm 

type Fsm struct {
	StateTransTable [][]TransitionItem
	// contains filtered or unexported fields
}

func (*Fsm) GetState 

func (fsm *Fsm) GetState() State

func (*Fsm) InitFsm 

func (fsm *Fsm) InitFsm(stateList []State, eventList []Event, f func(f *Fsm), initStateId uint64) error

func (*Fsm) RunFsm 

func (fsm *Fsm) RunFsm(ctx context.Context, e uint64)

type IdWorker 

type IdWorker struct {
	// contains filtered or unexported fields
}
var MyIdWorker *IdWorker

func NewIdWorker 

func NewIdWorker(NodeId int64) (*IdWorker, error)

NewIdWorker new a snowflake id generator object.

func (*IdWorker) NextId 

func (id *IdWorker) NextId() (int64, error)

NextId get a snowflake id.

func (*IdWorker) NextIds 

func (id *IdWorker) NextIds(num int) ([]int64, error)

NextIds get snowflake ids.

type LimitRate 

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

func (*LimitRate) GetRate 

func (l *LimitRate) GetRate() uint64

func (*LimitRate) Limit 

func (l *LimitRate) Limit() bool

func (*LimitRate) SetRate 

func (l *LimitRate) SetRate(r uint64)

type LogLevel 

type LogLevel int
const (
	Detail LogLevel = 1
	Debug  LogLevel = 10
	Info   LogLevel = 20
	Warn   LogLevel = 30
	Error  LogLevel = 40
	Fatal  LogLevel = 50
)

log level

type LogMsg 

type LogMsg struct {
	Msg string `json:"msg"`
}

type Logger 

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

func GetRpcLoggerByReqId 

func GetRpcLoggerByReqId(id int64) *Logger

func GetRpcLoggerByTerminalId 

func GetRpcLoggerByTerminalId(id string) *Logger

func (*Logger) GetLevelString 

func (l *Logger) GetLevelString(lv LogLevel) string

GetLevelString

func (*Logger) Log 

func (l *Logger) Log(level LogLevel, v ...interface{})

func (*Logger) LogDepth 

func (l *Logger) LogDepth(level LogLevel, calldepth int, v ...interface{})

func (*Logger) SetEnabled 

func (l *Logger) SetEnabled(b bool)

func (*Logger) SetLogLevel 

func (l *Logger) SetLogLevel(lv LogLevel)

SetLogLevel

type MyUnsafeValue 

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

type MyValue 

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

type State 

type State struct {
	Id   uint64
	Name string
}

type SysInfo 

type SysInfo struct {
	DiskSize   uint64
	FreeDisk   uint64
	MemorySize uint64
	OSInfo     string
	CPUInfo    string
	MacAddress string
}

SysInfo

func GetSysInfo 

func GetSysInfo(diskPath string) *SysInfo

GetSysInfo

type TransitionItem 

type TransitionItem struct {
	NewState uint64
	Action   Action
}

type Url 

type Url struct {
	Scheme   string
	Host     string
	Port     string
	Path     string
	RawQuery string
}

func ParseUrl 

func ParseUrl(url string) (*Url, error)

func (*Url) String 

func (url *Url) String(withScheme, withPort, withPath, withRawQuery bool) string

type WeightedItem 

type WeightedItem interface {
	Weight() float64
}

func WeightedRandomSelect 

func WeightedRandomSelect(items []WeightedItem, seed string) (int, WeightedItem)

WeightedRandomSelect selects a random item from the list (with probability proportional to item weight). If the seed is empty, it will use a cryptographically secure random seed

func WeightedRandomSelectMultiple 

func WeightedRandomSelectMultiple(items []WeightedItem, count int, seed string) ([]int, []WeightedItem)

WeightedRandomSelectMultiple selects random items from the list (with probability proportional to item weight). If the seed is empty, it will use a cryptographically secure random seed

Source Files

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Directories

Path Synopsis
config
drivers
rows
sql

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