utils

package
v0.7.0 Latest Latest
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 Go to latest Published: Feb 3, 2018 License: MIT Imports: 13 Imported by: 0

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Constants

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const InfDuration = time.Duration(math.MaxInt64)

InfDuration is a duration of infinite length

Variables

This section is empty.

Functions

func AbsDuration 

func AbsDuration(d time.Duration) time.Duration

AbsDuration returns the absolute value of a time duration

func Debug 

func Debug() bool

Debug returns true if the log level is LogLevelDebug

func Debugf 

func Debugf(format string, args ...interface{})

Debugf logs something

func Errorf 

func Errorf(format string, args ...interface{})

Errorf logs something

func GenerateConnectionID 

func GenerateConnectionID() (protocol.ConnectionID, error)

GenerateConnectionID generates a connection ID using cryptographic random

func HostnameFromAddr 

func HostnameFromAddr(addr string) (string, error)

HostnameFromAddr determines the hostname in an address string

func Infof 

func Infof(format string, args ...interface{})

Infof logs something

func Max 

func Max(a, b int) int

Max returns the maximum of two Ints

func MaxDuration 

func MaxDuration(a, b time.Duration) time.Duration

MaxDuration returns the max duration

func MaxInt64 

func MaxInt64(a, b int64) int64

MaxInt64 returns the minimum of two int64

func MaxPacketNumber 

func MaxPacketNumber(a, b protocol.PacketNumber) protocol.PacketNumber

MaxPacketNumber returns the max packet number

func MaxTime added in v0.7.0 

func MaxTime(a, b time.Time) time.Time

MaxTime returns the later time

func MaxUint32 

func MaxUint32(a, b uint32) uint32

MaxUint32 returns the maximum of two uint32

func MaxUint64 

func MaxUint64(a, b uint64) uint64

MaxUint64 returns the maximum of two uint64

func Min 

func Min(a, b int) int

Min returns the minimum of two Ints

func MinByteCount 

func MinByteCount(a, b protocol.ByteCount) protocol.ByteCount

MinByteCount returns the minimum of two ByteCounts

func MinDuration 

func MinDuration(a, b time.Duration) time.Duration

MinDuration returns the minimum duration

func MinInt64 

func MinInt64(a, b int64) int64

MinInt64 returns the minimum of two int64

func MinPacketNumber 

func MinPacketNumber(a, b protocol.PacketNumber) protocol.PacketNumber

MinPacketNumber returns the min packet number

func MinTime 

func MinTime(a, b time.Time) time.Time

MinTime returns the earlier time

func MinUint32 

func MinUint32(a, b uint32) uint32

MinUint32 returns the maximum of two uint32

func MinUint64 

func MinUint64(a, b uint64) uint64

MinUint64 returns the maximum of two uint64

func ReadVarInt 

func ReadVarInt(b io.ByteReader) (uint64, error)

ReadVarInt reads a number in the QUIC varint format

func SetLogLevel 

func SetLogLevel(level LogLevel)

SetLogLevel sets the log level

func SetLogTimeFormat 

func SetLogTimeFormat(format string)

SetLogTimeFormat sets the format of the timestamp an empty string disables the logging of timestamps

func VarIntLen 

func VarIntLen(i uint64) protocol.ByteCount

VarIntLen determines the number of bytes that will be needed to write a number

func WriteVarInt 

func WriteVarInt(b *bytes.Buffer, i uint64)

WriteVarInt writes a number in the QUIC varint format

Types

type AtomicBool 

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

An AtomicBool is an atomic bool

func (*AtomicBool) Get 

func (a *AtomicBool) Get() bool

Get gets the value

func (*AtomicBool) Set 

func (a *AtomicBool) Set(value bool)

Set sets the value

type ByteInterval 

type ByteInterval struct {
	Start protocol.ByteCount
	End   protocol.ByteCount
}

ByteInterval is an interval from one ByteCount to the other +gen linkedlist

type ByteIntervalElement 

type ByteIntervalElement struct {

	// The value stored with this element.
	Value ByteInterval
	// contains filtered or unexported fields
}

ByteIntervalElement is an element of a linked list.

func (*ByteIntervalElement) Next 

func (e *ByteIntervalElement) Next() *ByteIntervalElement

Next returns the next list element or nil.

func (*ByteIntervalElement) Prev 

func (e *ByteIntervalElement) Prev() *ByteIntervalElement

Prev returns the previous list element or nil.

type ByteIntervalList 

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

ByteIntervalList represents a doubly linked list. The zero value for ByteIntervalList is an empty list ready to use.

func NewByteIntervalList 

func NewByteIntervalList() *ByteIntervalList

NewByteIntervalList returns an initialized list.

func (*ByteIntervalList) Back 

func (l *ByteIntervalList) Back() *ByteIntervalElement

Back returns the last element of list l or nil.

func (*ByteIntervalList) Front 

func (l *ByteIntervalList) Front() *ByteIntervalElement

Front returns the first element of list l or nil.

func (*ByteIntervalList) Init 

func (l *ByteIntervalList) Init() *ByteIntervalList

Init initializes or clears list l.

func (*ByteIntervalList) InsertAfter 

func (l *ByteIntervalList) InsertAfter(v ByteInterval, mark *ByteIntervalElement) *ByteIntervalElement

InsertAfter inserts a new element e with value v immediately after mark and returns e. If mark is not an element of l, the list is not modified.

func (*ByteIntervalList) InsertBefore 

func (l *ByteIntervalList) InsertBefore(v ByteInterval, mark *ByteIntervalElement) *ByteIntervalElement

InsertBefore inserts a new element e with value v immediately before mark and returns e. If mark is not an element of l, the list is not modified.

func (*ByteIntervalList) Len 

func (l *ByteIntervalList) Len() int

Len returns the number of elements of list l. The complexity is O(1).

func (*ByteIntervalList) MoveAfter 

func (l *ByteIntervalList) MoveAfter(e, mark *ByteIntervalElement)

MoveAfter moves element e to its new position after mark. If e is not an element of l, or e == mark, the list is not modified.

func (*ByteIntervalList) MoveBefore 

func (l *ByteIntervalList) MoveBefore(e, mark *ByteIntervalElement)

MoveBefore moves element e to its new position before mark. If e or mark is not an element of l, or e == mark, the list is not modified.

func (*ByteIntervalList) MoveToBack 

func (l *ByteIntervalList) MoveToBack(e *ByteIntervalElement)

MoveToBack moves element e to the back of list l. If e is not an element of l, the list is not modified.

func (*ByteIntervalList) MoveToFront 

func (l *ByteIntervalList) MoveToFront(e *ByteIntervalElement)

MoveToFront moves element e to the front of list l. If e is not an element of l, the list is not modified.

func (*ByteIntervalList) PushBack 

func (l *ByteIntervalList) PushBack(v ByteInterval) *ByteIntervalElement

PushBack inserts a new element e with value v at the back of list l and returns e.

func (*ByteIntervalList) PushBackList 

func (l *ByteIntervalList) PushBackList(other *ByteIntervalList)

PushBackList inserts a copy of an other list at the back of list l. The lists l and other may be the same.

func (*ByteIntervalList) PushFront 

func (l *ByteIntervalList) PushFront(v ByteInterval) *ByteIntervalElement

PushFront inserts a new element e with value v at the front of list l and returns e.

func (*ByteIntervalList) PushFrontList 

func (l *ByteIntervalList) PushFrontList(other *ByteIntervalList)

PushFrontList inserts a copy of an other list at the front of list l. The lists l and other may be the same.

func (*ByteIntervalList) Remove 

func (l *ByteIntervalList) Remove(e *ByteIntervalElement) ByteInterval

Remove removes e from l if e is an element of list l. It returns the element value e.Value.

type ByteOrder 

type ByteOrder interface {
	ReadUintN(b io.ByteReader, length uint8) (uint64, error)
	ReadUint64(io.ByteReader) (uint64, error)
	ReadUint32(io.ByteReader) (uint32, error)
	ReadUint16(io.ByteReader) (uint16, error)

	WriteUint64(*bytes.Buffer, uint64)
	WriteUint56(*bytes.Buffer, uint64)
	WriteUint48(*bytes.Buffer, uint64)
	WriteUint40(*bytes.Buffer, uint64)
	WriteUint32(*bytes.Buffer, uint32)
	WriteUint24(*bytes.Buffer, uint32)
	WriteUint16(*bytes.Buffer, uint16)

	ReadUfloat16(io.ByteReader) (uint64, error)
	WriteUfloat16(*bytes.Buffer, uint64)
}

A ByteOrder specifies how to convert byte sequences into 16-, 32-, or 64-bit unsigned integers. 

var BigEndian ByteOrder = bigEndian{}

BigEndian is the big-endian implementation of ByteOrder. 

var LittleEndian ByteOrder = littleEndian{}

LittleEndian is the little-endian implementation of ByteOrder.

type LogLevel 

type LogLevel uint8

LogLevel of quic-go 

const (
	// LogLevelNothing disables
	LogLevelNothing LogLevel = iota
	// LogLevelError enables err logs
	LogLevelError
	// LogLevelInfo enables info logs (e.g. packets)
	LogLevelInfo
	// LogLevelDebug enables debug logs (e.g. packet contents)
	LogLevelDebug
)

type PacketInterval 

type PacketInterval struct {
	Start protocol.PacketNumber
	End   protocol.PacketNumber
}

PacketInterval is an interval from one PacketNumber to the other +gen linkedlist

type PacketIntervalElement 

type PacketIntervalElement struct {

	// The value stored with this element.
	Value PacketInterval
	// contains filtered or unexported fields
}

PacketIntervalElement is an element of a linked list.

func (*PacketIntervalElement) Next 

func (e *PacketIntervalElement) Next() *PacketIntervalElement

Next returns the next list element or nil.

func (*PacketIntervalElement) Prev 

func (e *PacketIntervalElement) Prev() *PacketIntervalElement

Prev returns the previous list element or nil.

type PacketIntervalList 

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

PacketIntervalList represents a doubly linked list. The zero value for PacketIntervalList is an empty list ready to use.

func NewPacketIntervalList 

func NewPacketIntervalList() *PacketIntervalList

NewPacketIntervalList returns an initialized list.

func (*PacketIntervalList) Back 

func (l *PacketIntervalList) Back() *PacketIntervalElement

Back returns the last element of list l or nil.

func (*PacketIntervalList) Front 

func (l *PacketIntervalList) Front() *PacketIntervalElement

Front returns the first element of list l or nil.

func (*PacketIntervalList) Init 

func (l *PacketIntervalList) Init() *PacketIntervalList

Init initializes or clears list l.

func (*PacketIntervalList) InsertAfter 

func (l *PacketIntervalList) InsertAfter(v PacketInterval, mark *PacketIntervalElement) *PacketIntervalElement

InsertAfter inserts a new element e with value v immediately after mark and returns e. If mark is not an element of l, the list is not modified.

func (*PacketIntervalList) InsertBefore 

func (l *PacketIntervalList) InsertBefore(v PacketInterval, mark *PacketIntervalElement) *PacketIntervalElement

InsertBefore inserts a new element e with value v immediately before mark and returns e. If mark is not an element of l, the list is not modified.

func (*PacketIntervalList) Len 

func (l *PacketIntervalList) Len() int

Len returns the number of elements of list l. The complexity is O(1).

func (*PacketIntervalList) MoveAfter 

func (l *PacketIntervalList) MoveAfter(e, mark *PacketIntervalElement)

MoveAfter moves element e to its new position after mark. If e is not an element of l, or e == mark, the list is not modified.

func (*PacketIntervalList) MoveBefore 

func (l *PacketIntervalList) MoveBefore(e, mark *PacketIntervalElement)

MoveBefore moves element e to its new position before mark. If e or mark is not an element of l, or e == mark, the list is not modified.

func (*PacketIntervalList) MoveToBack 

func (l *PacketIntervalList) MoveToBack(e *PacketIntervalElement)

MoveToBack moves element e to the back of list l. If e is not an element of l, the list is not modified.

func (*PacketIntervalList) MoveToFront 

func (l *PacketIntervalList) MoveToFront(e *PacketIntervalElement)

MoveToFront moves element e to the front of list l. If e is not an element of l, the list is not modified.

func (*PacketIntervalList) PushBack 

func (l *PacketIntervalList) PushBack(v PacketInterval) *PacketIntervalElement

PushBack inserts a new element e with value v at the back of list l and returns e.

func (*PacketIntervalList) PushBackList 

func (l *PacketIntervalList) PushBackList(other *PacketIntervalList)

PushBackList inserts a copy of an other list at the back of list l. The lists l and other may be the same.

func (*PacketIntervalList) PushFront 

func (l *PacketIntervalList) PushFront(v PacketInterval) *PacketIntervalElement

PushFront inserts a new element e with value v at the front of list l and returns e.

func (*PacketIntervalList) PushFrontList 

func (l *PacketIntervalList) PushFrontList(other *PacketIntervalList)

PushFrontList inserts a copy of an other list at the front of list l. The lists l and other may be the same.

func (*PacketIntervalList) Remove 

func (l *PacketIntervalList) Remove(e *PacketIntervalElement) PacketInterval

Remove removes e from l if e is an element of list l. It returns the element value e.Value.

type Timer 

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

A Timer wrapper that behaves correctly when resetting

func NewTimer 

func NewTimer() *Timer

NewTimer creates a new timer that is not set

func (*Timer) Chan 

func (t *Timer) Chan() <-chan time.Time

Chan returns the channel of the wrapped timer

func (*Timer) Reset 

func (t *Timer) Reset(deadline time.Time)

Reset the timer, no matter whether the value was read or not

func (*Timer) SetRead 

func (t *Timer) SetRead()

SetRead should be called after the value from the chan was read

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