Versions in this module Expand all Collapse all v1 v1.5.1 Sep 19, 2021 v1.5.0 Sep 8, 2021 v1.4.9 Sep 5, 2021 v1.4.8 Sep 4, 2021 v1.4.7 Sep 4, 2021 v1.4.6 Sep 4, 2021 v1.4.5 Sep 3, 2021 v1.4.4 Aug 31, 2021 v1.4.3 Aug 31, 2021 Changes in this version + const DataSegmentOverhead + var ErrClosedConnection = newError("Connection closed.") + var ErrClosedListener = newError("Listener closed.") + var ErrIOTimeout = newError("Read/Write timeout") + var File_transport_internet_kcp_config_proto protoreflect.FileDescriptor + func DialKCP(ctx context.Context, dest net.Destination, ...) (internet.Connection, error) + func ListenKCP(ctx context.Context, address net.Address, port net.Port, ...) (internet.Listener, error) + func NewAEADAESGCMBasedOnSeed(seed string) cipher.AEAD + func NewSimpleAuthenticator() cipher.AEAD + type AckList struct + func NewAckList(writer SegmentWriter) *AckList + func (l *AckList) Add(number uint32, timestamp uint32) + func (l *AckList) Clear(una uint32) + func (l *AckList) Flush(current uint32, rto uint32) + type AckSegment struct + Conv uint16 + NumberList []uint32 + Option SegmentOption + ReceivingNext uint32 + ReceivingWindow uint32 + Timestamp uint32 + func NewAckSegment() *AckSegment + func (*AckSegment) Command() Command + func (s *AckSegment) ByteSize() int32 + func (s *AckSegment) Conversation() uint16 + func (s *AckSegment) IsEmpty() bool + func (s *AckSegment) IsFull() bool + func (s *AckSegment) PutNumber(number uint32) + func (s *AckSegment) PutTimestamp(timestamp uint32) + func (s *AckSegment) Release() + func (s *AckSegment) Serialize(b []byte) + type CmdOnlySegment struct + Cmd Command + Conv uint16 + Option SegmentOption + PeerRTO uint32 + ReceivingNext uint32 + SendingNext uint32 + func NewCmdOnlySegment() *CmdOnlySegment + func (*CmdOnlySegment) ByteSize() int32 + func (*CmdOnlySegment) Release() + func (s *CmdOnlySegment) Command() Command + func (s *CmdOnlySegment) Conversation() uint16 + func (s *CmdOnlySegment) Serialize(b []byte) + type Command byte + const CommandACK + const CommandData + const CommandPing + const CommandTerminate + type Config struct + Congestion bool + DownlinkCapacity *DownlinkCapacity + HeaderConfig *serial.TypedMessage + Mtu *MTU + ReadBuffer *ReadBuffer + Seed *EncryptionSeed + Tti *TTI + UplinkCapacity *UplinkCapacity + WriteBuffer *WriteBuffer + func (*Config) Descriptor() ([]byte, []int) + func (*Config) ProtoMessage() + func (c *Config) GetDownlinkCapacityValue() uint32 + func (c *Config) GetMTUValue() uint32 + func (c *Config) GetPackerHeader() (internet.PacketHeader, error) + func (c *Config) GetReadBufferSize() uint32 + func (c *Config) GetReceivingBufferSize() uint32 + func (c *Config) GetReceivingInFlightSize() uint32 + func (c *Config) GetSecurity() (cipher.AEAD, error) + func (c *Config) GetSendingBufferSize() uint32 + func (c *Config) GetSendingInFlightSize() uint32 + func (c *Config) GetTTIValue() uint32 + func (c *Config) GetUplinkCapacityValue() uint32 + func (c *Config) GetWriteBufferSize() uint32 + func (x *Config) GetCongestion() bool + func (x *Config) GetDownlinkCapacity() *DownlinkCapacity + func (x *Config) GetHeaderConfig() *serial.TypedMessage + func (x *Config) GetMtu() *MTU + func (x *Config) GetReadBuffer() *ReadBuffer + func (x *Config) GetSeed() *EncryptionSeed + func (x *Config) GetTti() *TTI + func (x *Config) GetUplinkCapacity() *UplinkCapacity + func (x *Config) GetWriteBuffer() *WriteBuffer + func (x *Config) ProtoReflect() protoreflect.Message + func (x *Config) Reset() + func (x *Config) String() string + type ConnMetadata struct + Conversation uint16 + LocalAddr net.Addr + RemoteAddr net.Addr + type Connection struct + Config *Config + func NewConnection(meta ConnMetadata, writer PacketWriter, closer io.Closer, config *Config) *Connection + func (c *Connection) Close() error + func (c *Connection) Elapsed() uint32 + func (c *Connection) HandleOption(opt SegmentOption) + func (c *Connection) Input(segments []Segment) + func (c *Connection) LocalAddr() net.Addr + func (c *Connection) OnPeerClosed() + func (c *Connection) Ping(current uint32, cmd Command) + func (c *Connection) Read(b []byte) (int, error) + func (c *Connection) ReadMultiBuffer() (buf.MultiBuffer, error) + func (c *Connection) RemoteAddr() net.Addr + func (c *Connection) SetDeadline(t time.Time) error + func (c *Connection) SetReadDeadline(t time.Time) error + func (c *Connection) SetState(state State) + func (c *Connection) SetWriteDeadline(t time.Time) error + func (c *Connection) State() State + func (c *Connection) Terminate() + func (c *Connection) Write(b []byte) (int, error) + func (c *Connection) WriteMultiBuffer(mb buf.MultiBuffer) error + type ConnectionID struct + Conv uint16 + Port net.Port + Remote net.Address + type ConnectionReuse struct + Enable bool + func (*ConnectionReuse) Descriptor() ([]byte, []int) + func (*ConnectionReuse) ProtoMessage() + func (x *ConnectionReuse) GetEnable() bool + func (x *ConnectionReuse) ProtoReflect() protoreflect.Message + func (x *ConnectionReuse) Reset() + func (x *ConnectionReuse) String() string + type DataSegment struct + Conv uint16 + Number uint32 + Option SegmentOption + SendingNext uint32 + Timestamp uint32 + func NewDataSegment() *DataSegment + func (*DataSegment) Command() Command + func (s *DataSegment) ByteSize() int32 + func (s *DataSegment) Conversation() uint16 + func (s *DataSegment) Data() *buf.Buffer + func (s *DataSegment) Detach() *buf.Buffer + func (s *DataSegment) Release() + func (s *DataSegment) Serialize(b []byte) + type DownlinkCapacity struct + Value uint32 + func (*DownlinkCapacity) Descriptor() ([]byte, []int) + func (*DownlinkCapacity) ProtoMessage() + func (x *DownlinkCapacity) GetValue() uint32 + func (x *DownlinkCapacity) ProtoReflect() protoreflect.Message + func (x *DownlinkCapacity) Reset() + func (x *DownlinkCapacity) String() string + type EncryptionSeed struct + Seed string + func (*EncryptionSeed) Descriptor() ([]byte, []int) + func (*EncryptionSeed) ProtoMessage() + func (x *EncryptionSeed) GetSeed() string + func (x *EncryptionSeed) ProtoReflect() protoreflect.Message + func (x *EncryptionSeed) Reset() + func (x *EncryptionSeed) String() string + type KCPPacketReader struct + Header internet.PacketHeader + Security cipher.AEAD + func (r *KCPPacketReader) Read(b []byte) []Segment + type KCPPacketWriter struct + Header internet.PacketHeader + Security cipher.AEAD + Writer io.Writer + func (w *KCPPacketWriter) Overhead() int + func (w *KCPPacketWriter) Write(b []byte) (int, error) + type Listener struct + func NewListener(ctx context.Context, address net.Address, port net.Port, ...) (*Listener, error) + func (l *Listener) ActiveConnections() int + func (l *Listener) Addr() net.Addr + func (l *Listener) Close() error + func (l *Listener) OnReceive(payload *buf.Buffer, src net.Destination) + func (l *Listener) Remove(id ConnectionID) + type MTU struct + Value uint32 + func (*MTU) Descriptor() ([]byte, []int) + func (*MTU) ProtoMessage() + func (x *MTU) GetValue() uint32 + func (x *MTU) ProtoReflect() protoreflect.Message + func (x *MTU) Reset() + func (x *MTU) String() string + type PacketReader interface + Read func([]byte) []Segment + type PacketWriter interface + Overhead func() int + type ReadBuffer struct + Size uint32 + func (*ReadBuffer) Descriptor() ([]byte, []int) + func (*ReadBuffer) ProtoMessage() + func (x *ReadBuffer) GetSize() uint32 + func (x *ReadBuffer) ProtoReflect() protoreflect.Message + func (x *ReadBuffer) Reset() + func (x *ReadBuffer) String() string + type ReceivingWindow struct + func NewReceivingWindow() *ReceivingWindow + func (w *ReceivingWindow) Has(id uint32) bool + func (w *ReceivingWindow) Remove(id uint32) *DataSegment + func (w *ReceivingWindow) Set(id uint32, value *DataSegment) bool + type ReceivingWorker struct + func NewReceivingWorker(kcp *Connection) *ReceivingWorker + func (*ReceivingWorker) CloseRead() + func (w *ReceivingWorker) Flush(current uint32) + func (w *ReceivingWorker) IsDataAvailable() bool + func (w *ReceivingWorker) NextNumber() uint32 + func (w *ReceivingWorker) ProcessSegment(seg *DataSegment) + func (w *ReceivingWorker) ProcessSendingNext(number uint32) + func (w *ReceivingWorker) Read(b []byte) int + func (w *ReceivingWorker) ReadMultiBuffer() buf.MultiBuffer + func (w *ReceivingWorker) Release() + func (w *ReceivingWorker) UpdateNecessary() bool + func (w *ReceivingWorker) Write(seg Segment) error + type RetryableWriter struct + func (w *RetryableWriter) Write(seg Segment) error + type RoundTripInfo struct + func (info *RoundTripInfo) SmoothedTime() uint32 + func (info *RoundTripInfo) Timeout() uint32 + func (info *RoundTripInfo) Update(rtt uint32, current uint32) + func (info *RoundTripInfo) UpdatePeerRTO(rto uint32, current uint32) + type Segment interface + ByteSize func() int32 + Command func() Command + Conversation func() uint16 + Release func() + Serialize func([]byte) + func ReadSegment(buf []byte) (Segment, []byte) + type SegmentOption byte + const SegmentOptionClose + type SegmentWriter interface + Write func(seg Segment) error + func NewRetryableWriter(writer SegmentWriter) SegmentWriter + func NewSegmentWriter(writer io.Writer) SegmentWriter + type SendingWindow struct + func NewSendingWindow(writer SegmentWriter, onPacketLoss func(uint32)) *SendingWindow + func (sw *SendingWindow) Clear(una uint32) + func (sw *SendingWindow) FirstNumber() uint32 + func (sw *SendingWindow) Flush(current uint32, rto uint32, maxInFlightSize uint32) + func (sw *SendingWindow) HandleFastAck(number uint32, rto uint32) + func (sw *SendingWindow) IsEmpty() bool + func (sw *SendingWindow) Len() uint32 + func (sw *SendingWindow) Push(number uint32, b *buf.Buffer) + func (sw *SendingWindow) Release() + func (sw *SendingWindow) Remove(number uint32) bool + func (sw *SendingWindow) Visit(visitor func(seg *DataSegment) bool) + type SendingWorker struct + func NewSendingWorker(kcp *Connection) *SendingWorker + func (w *SendingWorker) CloseWrite() + func (w *SendingWorker) FindFirstUnacknowledged() + func (w *SendingWorker) FirstUnacknowledged() uint32 + func (w *SendingWorker) Flush(current uint32) + func (w *SendingWorker) IsEmpty() bool + func (w *SendingWorker) OnPacketLoss(lossRate uint32) + func (w *SendingWorker) ProcessReceivingNext(nextNumber uint32) + func (w *SendingWorker) ProcessReceivingNextWithoutLock(nextNumber uint32) + func (w *SendingWorker) ProcessSegment(current uint32, seg *AckSegment, rto uint32) + func (w *SendingWorker) Push(b *buf.Buffer) bool + func (w *SendingWorker) Release() + func (w *SendingWorker) UpdateNecessary() bool + func (w *SendingWorker) Write(seg Segment) error + type SimpleAuthenticator struct + func (*SimpleAuthenticator) NonceSize() int + func (*SimpleAuthenticator) Overhead() int + func (a *SimpleAuthenticator) Open(dst, nonce, cipherText, extra []byte) ([]byte, error) + func (a *SimpleAuthenticator) Seal(dst, nonce, plain, extra []byte) []byte + type SimpleSegmentWriter struct + func (w *SimpleSegmentWriter) Write(seg Segment) error + type State int32 + const StateActive + const StatePeerClosed + const StatePeerTerminating + const StateReadyToClose + const StateTerminated + const StateTerminating + func (s State) Is(states ...State) bool + type TTI struct + Value uint32 + func (*TTI) Descriptor() ([]byte, []int) + func (*TTI) ProtoMessage() + func (x *TTI) GetValue() uint32 + func (x *TTI) ProtoReflect() protoreflect.Message + func (x *TTI) Reset() + func (x *TTI) String() string + type Updater struct + func NewUpdater(interval uint32, shouldContinue func() bool, shouldTerminate func() bool, ...) *Updater + func (u *Updater) Interval() time.Duration + func (u *Updater) SetInterval(d time.Duration) + func (u *Updater) WakeUp() + type UplinkCapacity struct + Value uint32 + func (*UplinkCapacity) Descriptor() ([]byte, []int) + func (*UplinkCapacity) ProtoMessage() + func (x *UplinkCapacity) GetValue() uint32 + func (x *UplinkCapacity) ProtoReflect() protoreflect.Message + func (x *UplinkCapacity) Reset() + func (x *UplinkCapacity) String() string + type WriteBuffer struct + Size uint32 + func (*WriteBuffer) Descriptor() ([]byte, []int) + func (*WriteBuffer) ProtoMessage() + func (x *WriteBuffer) GetSize() uint32 + func (x *WriteBuffer) ProtoReflect() protoreflect.Message + func (x *WriteBuffer) Reset() + func (x *WriteBuffer) String() string + type Writer struct + func (w *Writer) Close() error + func (w *Writer) Write(payload []byte) (int, error)
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