utils

package
v0.0.0-...-1e9be1c Latest Latest
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 Go to latest Published: Jun 9, 2016 License: MIT Imports: 10 Imported by: 0

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Index

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 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 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 RandomBit 

func RandomBit() (bool, error)

RandomBit returns a cryptographically secure random bit (encoded as true / false)

func ReadUfloat16 

func ReadUfloat16(b io.ByteReader) (uint64, error)

ReadUfloat16 reads a float in the QUIC-float16 format and returns its uint64 representation

func ReadUint16 

func ReadUint16(b io.ByteReader) (uint16, error)

ReadUint16 reads a uint16

func ReadUint32 

func ReadUint32(b io.ByteReader) (uint32, error)

ReadUint32 reads a uint32

func ReadUint64 

func ReadUint64(b io.ByteReader) (uint64, error)

ReadUint64 reads a uint64

func ReadUintN 

func ReadUintN(b io.ByteReader, length uint8) (uint64, error)

ReadUintN reads N bytes

func SetLogLevel 

func SetLogLevel(level LogLevel)

SetLogLevel sets the log level

func SetLogWriter 

func SetLogWriter(w io.Writer)

SetLogWriter sets the log writer.

func WriteUfloat16 

func WriteUfloat16(b *bytes.Buffer, value uint64)

WriteUfloat16 writes a float in the QUIC-float16 format from its uint64 representation

func WriteUint16 

func WriteUint16(b *bytes.Buffer, i uint16)

WriteUint16 writes a uint16

func WriteUint24 

func WriteUint24(b *bytes.Buffer, i uint32)

WriteUint24 writes 24 bit of a uint32

func WriteUint32 

func WriteUint32(b *bytes.Buffer, i uint32)

WriteUint32 writes a uint32

func WriteUint40 

func WriteUint40(b *bytes.Buffer, i uint64)

WriteUint40 writes 40 bit of a uint64

func WriteUint48 

func WriteUint48(b *bytes.Buffer, i uint64)

WriteUint48 writes 48 bit of a uint64

func WriteUint56 

func WriteUint56(b *bytes.Buffer, i uint64)

WriteUint56 writes 56 bit of a uint64

func WriteUint64 

func WriteUint64(b *bytes.Buffer, i uint64)

WriteUint64 writes a uint64

Types

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 CachingReader 

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

CachingReader wraps a reader and saves all data it reads

func NewCachingReader 

func NewCachingReader(r ReadStream) *CachingReader

NewCachingReader returns a new CachingReader

func (*CachingReader) Get 

func (r *CachingReader) Get() []byte

Get the data cached

func (*CachingReader) Read 

func (r *CachingReader) Read(p []byte) (int, error)

Read implements io.Reader

func (*CachingReader) ReadByte 

func (r *CachingReader) ReadByte() (byte, error)

ReadByte implements io.ByteReader

type LogLevel 

type LogLevel uint8

LogLevel of quic-go 

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

type ReadStream 

type ReadStream interface {
	io.Reader
	io.ByteReader
}

ReadStream is the read part of a QUIC stream

type RingBuffer 

type RingBuffer interface {
	Write(p []byte, offset uint64) error
	Read(n uint64) ([]byte, uint64, error)
	Clear(n uint64) error
	Len() uint64
}

RingBuffer is a ring buffer

func NewRingBuffer 

func NewRingBuffer(length uint64) RingBuffer

NewRingBuffer creates a new ring buffer

type Stream 

type Stream interface {
	io.Reader
	io.ByteReader
	io.Writer
	io.Closer
	StreamID() protocol.StreamID
	CloseRemote(offset protocol.ByteCount)
}

Stream is the interface for QUIC streams

type Uint32Slice 

type Uint32Slice []uint32

Uint32Slice attaches the methods of sort.Interface to []uint32, sorting in increasing order.

func (Uint32Slice) Len 

func (s Uint32Slice) Len() int

func (Uint32Slice) Less 

func (s Uint32Slice) Less(i, j int) bool

func (Uint32Slice) Swap 

func (s Uint32Slice) Swap(i, j int)

Source Files

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