spdy

package
v1.2.0 Latest Latest
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 Go to latest Published: Feb 29, 2024 License: Apache-2.0 Imports: 21 Imported by: 0

Documentation

Overview

Copyright 2022 Huawei Cloud Computing Technologies Co., Ltd.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Index

Constants

View Source 
const (
	INTERNAL_ERROR = iota
	FSM_ERROR
)
View Source 
const (
	SEND_SYN_EVENT event = iota
	RECV_SYN_EVENT
	SEND_ACK_EVENT
	RECV_ACK_EVENT
	SEND_DATA_EVENT
	RECV_DATA_EVENT
	SEND_FIN_EVENT
	RECV_FIN_EVENT
	SEND_RST_EVENT
	RECV_RST_EVENT
	SEND_DATA_ACK_EVENT
	RECV_DATA_ACK_EVENT
	UNKNOWN_EVENT
)
View Source 
const (
	INIT_STATE state = iota
	SYN_SENT_STATE
	SYN_RECV_STATE
	ESTABLISHED_STATE
	FIN_SENT_STATE
	FIN_RECV_STATE
	CLOSED_STATE
	UNKNOWN_STATE
)
View Source 
const (
	SIZE_OF_VERSION = 1
	SIZE_OF_TYPE    = 1
	SIZE_OF_FLAGS   = 2
	SIZE_OF_CONNID  = 8
	SIZE_OF_LENGTH  = 4
	HEADER_SIZE     = SIZE_OF_VERSION + SIZE_OF_TYPE + SIZE_OF_FLAGS +
		SIZE_OF_CONNID + SIZE_OF_LENGTH
)
View Source 
const (
	DATA_TYPE uint8 = iota
	CLOSE_TYPE
	UNKNOWN_TYPE
)
View Source 
const (
	SYN_FLAG uint16 = 1 << iota
	ACK_FLAG
	FIN_FLAG
	RST_FLAG
	DATA_ACK_FLAG
)
View Source 
const (
	ProtocolVersion        uint8 = 0
	SizeOfProtocolVersion        = 1
	SizeOfProtocolType           = 1
	SizeOfProtocolFlags          = 2
	SizeOfProtocolSequence       = 8
	SizeOfProtocolLength         = 4
	ProtocolHeaderSize           = SizeOfProtocolVersion + SizeOfProtocolType +
		SizeOfProtocolFlags + SizeOfProtocolSequence + SizeOfProtocolLength
)
View Source 
const (
	ReqFlag uint16 = 1 << iota
	RspFlag
	FullFlag
)
View Source 
const (
	Prototype uint8 = iota
	Echo
	Partial
	FaultPartial
	SelectRequest
	AbortRequest
	DDLRequest
	SysCtrlRequest
	MetaRequest
	WritePointsRequest
	PtRequest
	WriteStreamPointsRequest
	SegregateNodeRequest
	Unknown
)
View Source 
const (
	SPDY_VERSION uint8 = 0
)

Variables

View Source 
var (
	ErrorInvalidProtocolVersion = NewInternalError(INTERNAL_ERROR, "invalid protocol version")
	ErrorInvalidProtocolType    = NewInternalError(INTERNAL_ERROR, "invalid protocol type")
	ErrorUnexpectedResponse     = NewInternalError(INTERNAL_ERROR, "unexpected response")
	ErrorUnexpectedRequest      = NewInternalError(INTERNAL_ERROR, "unexpected request")
)

Functions

func ConnPoolSize 

func ConnPoolSize() int

func DefaultConfiguration 

func DefaultConfiguration() config.Spdy

DefaultConfiguration is used to return a default configuration

func HandleError 

func HandleError(err error)

func MultiplexedSessionFuture 

func MultiplexedSessionFuture(f func() (*MultiplexedSession, error)) func() (*MultiplexedSession, error)

func SetDefaultConfiguration 

func SetDefaultConfiguration(cfg config.Spdy)

func SetTCPDialTimeout added in v1.0.1 

func SetTCPDialTimeout(timeout time.Duration)

func TCPDialTimeout added in v1.0.1 

func TCPDialTimeout() time.Duration

Types

type BaseError 

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

func (*BaseError) Code 

func (e *BaseError) Code() uint32

func (*BaseError) Error 

func (e *BaseError) Error() string

type BaseEventHandler 

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

func (*BaseEventHandler) InitDerive 

func (base *BaseEventHandler) InitDerive(session *MultiplexedSession, derive EventHandler)

func (*BaseEventHandler) Session 

func (base *BaseEventHandler) Session() *MultiplexedSession

func (*BaseEventHandler) WarpRequester 

func (base *BaseEventHandler) WarpRequester(sequence uint64, data []byte) (Requester, error)

type BaseRequester 

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

func (*BaseRequester) FinishAnalyze 

func (base *BaseRequester) FinishAnalyze()

func (*BaseRequester) InitDerive 

func (base *BaseRequester) InitDerive(session *MultiplexedSession, sequence uint64, derive Requester)

func (*BaseRequester) Request 

func (base *BaseRequester) Request(request interface{}) error

func (*BaseRequester) Sequence 

func (base *BaseRequester) Sequence() uint64

func (*BaseRequester) Session 

func (base *BaseRequester) Session() *MultiplexedSession

func (*BaseRequester) StartAnalyze 

func (base *BaseRequester) StartAnalyze(span *tracing.Span)

type BaseResponser 

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

func (*BaseResponser) Apply 

func (base *BaseResponser) Apply() error

func (*BaseResponser) Close 

func (base *BaseResponser) Close() error

func (*BaseResponser) FinishAnalyze 

func (base *BaseResponser) FinishAnalyze()

func (*BaseResponser) InitDerive 

func (base *BaseResponser) InitDerive(session *MultiplexedSession, sequence uint64, derive Responser)

func (*BaseResponser) IsFull 

func (base *BaseResponser) IsFull() bool

func (*BaseResponser) Response 

func (base *BaseResponser) Response(response interface{}, full bool) error

func (*BaseResponser) Sequence 

func (base *BaseResponser) Sequence() uint64

func (*BaseResponser) Session 

func (base *BaseResponser) Session() *MultiplexedSession

func (*BaseResponser) StartAnalyze 

func (base *BaseResponser) StartAnalyze(span *tracing.Span)

type BuffWriter added in v1.0.0 

type BuffWriter interface {
	io.Writer
	Flush() error
}

type Closer 

type Closer interface {
	Close() error
}

type Codec 

type Codec interface {
	Encode([]byte, interface{}) ([]byte, error)
	Decode([]byte) (interface{}, error)
}

type DataACK 

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

func NewDataACK 

func NewDataACK(handler func(), size int64) *DataACK

func (*DataACK) Block 

func (a *DataACK) Block() error

func (*DataACK) Close 

func (a *DataACK) Close()

func (*DataACK) Disable 

func (a *DataACK) Disable()

func (*DataACK) Dispatch 

func (a *DataACK) Dispatch()

func (*DataACK) Enable 

func (a *DataACK) Enable()

func (*DataACK) Incr 

func (a *DataACK) Incr()

func (*DataACK) SetBlockTimeout 

func (a *DataACK) SetBlockTimeout(timeout time.Duration)

func (*DataACK) SetRole 

func (a *DataACK) SetRole(role SessionRole)

func (*DataACK) SignalOn 

func (a *DataACK) SignalOn()

type EventHandler 

type EventHandler interface {
	CreateRequester(uint64) (Requester, error)
	WarpRequester(uint64, []byte) (Requester, error)
	Handle(Requester, Responser) error
	Session() *MultiplexedSession
}

type EventHandlerFactory 

type EventHandlerFactory interface {
	CreateEventHandler(session *MultiplexedSession) EventHandler
	EventHandlerType() uint8
}

type FSM 

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

func NewFSM 

func NewFSM(state state) *FSM

func (*FSM) Build 

func (fsm *FSM) Build(start *FSMState, event event, next *FSMState, action FSMEventAction)

func (*FSM) Close added in v1.2.0 

func (fsm *FSM) Close()

func (*FSM) ForceSetState 

func (fsm *FSM) ForceSetState(state state)

func (*FSM) ProcessEvent 

func (fsm *FSM) ProcessEvent(event event, data []byte) error

func (*FSM) State 

func (fsm *FSM) State() state

type FSMError 

type FSMError struct {
	BaseError
	// contains filtered or unexported fields
}

func NewFSMError 

func NewFSMError(event event, state state) *FSMError

func (*FSMError) Error 

func (e *FSMError) Error() string

func (*FSMError) Event 

func (e *FSMError) Event() event

func (*FSMError) State 

func (e *FSMError) State() state

type FSMEventAction 

type FSMEventAction func(event, *FSMTransition, []byte) error

type FSMState 

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

func NewFSMState 

func NewFSMState(state state, enterAction FSMStateAction, exitAction FSMStateAction) *FSMState

func (*FSMState) State 

func (s *FSMState) State() state

type FSMStateAction 

type FSMStateAction func(event, *FSMTransition) error

type FSMTransition 

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

func NewFSMTransition 

func NewFSMTransition(start *FSMState, event event, next *FSMState, action FSMEventAction) *FSMTransition

type Flags 

type Flags uint16

type InternalError 

type InternalError struct {
	BaseError
	// contains filtered or unexported fields
}

func NewInternalError 

func NewInternalError(code uint32, msg string) *InternalError

func (*InternalError) Error 

func (e *InternalError) Error() string

func (*InternalError) Msg 

func (e *InternalError) Msg() string

type MultiplexedConnection 

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

func NewMultiplexedConnection 

func NewMultiplexedConnection(cfg config.Spdy, underlying io.ReadWriteCloser, client bool) *MultiplexedConnection

func (*MultiplexedConnection) AcceptSession 

func (c *MultiplexedConnection) AcceptSession() func() (*MultiplexedSession, error)

func (*MultiplexedConnection) AllocData 

func (c *MultiplexedConnection) AllocData(n int) []byte

func (*MultiplexedConnection) Close 

func (c *MultiplexedConnection) Close() error

func (*MultiplexedConnection) FreeData 

func (c *MultiplexedConnection) FreeData(data []byte)

func (*MultiplexedConnection) IsClosed 

func (c *MultiplexedConnection) IsClosed() bool

func (*MultiplexedConnection) ListenAndServed 

func (c *MultiplexedConnection) ListenAndServed() error

func (*MultiplexedConnection) LocalAddr 

func (c *MultiplexedConnection) LocalAddr() net.Addr

func (*MultiplexedConnection) NumOfSession 

func (c *MultiplexedConnection) NumOfSession() int

func (*MultiplexedConnection) OpenSession 

func (c *MultiplexedConnection) OpenSession() func() (*MultiplexedSession, error)

func (*MultiplexedConnection) RemoteAddr 

func (c *MultiplexedConnection) RemoteAddr() net.Addr

func (*MultiplexedConnection) Write 

func (c *MultiplexedConnection) Write(hdr []byte, data []byte) error

type MultiplexedError 

type MultiplexedError interface {
	Code() uint32
	Error() string
}

type MultiplexedServer 

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

func (*MultiplexedServer) Error 

func (s *MultiplexedServer) Error() error

func (*MultiplexedServer) Start 

func (s *MultiplexedServer) Start()

func (*MultiplexedServer) Stop 

func (s *MultiplexedServer) Stop()

type MultiplexedSession 

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

func NewMultiplexedSession 

func NewMultiplexedSession(cfg config.Spdy, conn *MultiplexedConnection, id uint64) *MultiplexedSession

func (*MultiplexedSession) Close 

func (s *MultiplexedSession) Close() error

func (*MultiplexedSession) Connection 

func (s *MultiplexedSession) Connection() *MultiplexedConnection

func (*MultiplexedSession) DisableDataACK 

func (s *MultiplexedSession) DisableDataACK()

func (*MultiplexedSession) EnableDataACK 

func (s *MultiplexedSession) EnableDataACK()

func (*MultiplexedSession) GenerateNextSequence 

func (s *MultiplexedSession) GenerateNextSequence() uint64

func (*MultiplexedSession) Handle 

func (s *MultiplexedSession) Handle(flags uint16, data []byte) error

func (*MultiplexedSession) ID 

func (s *MultiplexedSession) ID() uint64

func (*MultiplexedSession) IsClosed 

func (s *MultiplexedSession) IsClosed() bool

func (*MultiplexedSession) Open 

func (s *MultiplexedSession) Open(ackSig chan struct{}) error

func (*MultiplexedSession) RecvAck 

func (s *MultiplexedSession) RecvAck() error

func (*MultiplexedSession) RecvData 

func (s *MultiplexedSession) RecvData(data []byte) error

func (*MultiplexedSession) RecvDataACK 

func (s *MultiplexedSession) RecvDataACK() error

func (*MultiplexedSession) RecvFin 

func (s *MultiplexedSession) RecvFin() error

func (*MultiplexedSession) RecvRst 

func (s *MultiplexedSession) RecvRst() error

func (*MultiplexedSession) RecvSyn 

func (s *MultiplexedSession) RecvSyn() error

func (*MultiplexedSession) Select 

func (s *MultiplexedSession) Select() ([]byte, error)

func (*MultiplexedSession) Send 

func (s *MultiplexedSession) Send(data []byte) error

func (*MultiplexedSession) SendAck 

func (s *MultiplexedSession) SendAck(data []byte) error

func (*MultiplexedSession) SendDataACK 

func (s *MultiplexedSession) SendDataACK(data []byte) error

func (*MultiplexedSession) SendFin 

func (s *MultiplexedSession) SendFin(data []byte) error

func (*MultiplexedSession) SendRst 

func (s *MultiplexedSession) SendRst(data []byte) error

func (*MultiplexedSession) SendSyn 

func (s *MultiplexedSession) SendSyn(data []byte, ackRecvSig chan struct{}) error

func (*MultiplexedSession) SetOnClose 

func (s *MultiplexedSession) SetOnClose(fn func())

func (*MultiplexedSession) SetTimeout 

func (s *MultiplexedSession) SetTimeout(d time.Duration)

func (*MultiplexedSession) State 

func (s *MultiplexedSession) State() state

func (*MultiplexedSession) TriggerOnClose 

func (s *MultiplexedSession) TriggerOnClose()

type MultiplexedSessionPool 

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

func NewMultiplexedSessionPool 

func NewMultiplexedSessionPool(cfg config.Spdy, network string, address string) *MultiplexedSessionPool

func (*MultiplexedSessionPool) Available 

func (c *MultiplexedSessionPool) Available() bool

func (*MultiplexedSessionPool) Close 

func (c *MultiplexedSessionPool) Close()

func (*MultiplexedSessionPool) Dial 

func (c *MultiplexedSessionPool) Dial() error

func (*MultiplexedSessionPool) Get 

func (c *MultiplexedSessionPool) Get() (*MultiplexedSession, error)

func (*MultiplexedSessionPool) IsClosed 

func (c *MultiplexedSessionPool) IsClosed() bool

func (*MultiplexedSessionPool) Put 

func (c *MultiplexedSessionPool) Put(session *MultiplexedSession)

func (*MultiplexedSessionPool) SetStatisticsJob 

func (c *MultiplexedSessionPool) SetStatisticsJob(job *statistics.SpdyJob)

func (*MultiplexedSessionPool) Wait 

func (c *MultiplexedSessionPool) Wait()

type ProtocolHeader 

type ProtocolHeader []byte

func (ProtocolHeader) Flags 

func (h ProtocolHeader) Flags() uint16

func (ProtocolHeader) Length 

func (h ProtocolHeader) Length() uint32

func (ProtocolHeader) Sequence 

func (h ProtocolHeader) Sequence() uint64

func (ProtocolHeader) String 

func (h ProtocolHeader) String() string

func (ProtocolHeader) Type 

func (h ProtocolHeader) Type() uint8

func (ProtocolHeader) Version 

func (h ProtocolHeader) Version() uint8

type RRCServer 

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

func NewRRCServer 

func NewRRCServer(cfg config.Spdy, network string, address string) *RRCServer

func (*RRCServer) Error 

func (s *RRCServer) Error() error

func (*RRCServer) Open added in v1.0.0 

func (s *RRCServer) Open() error

func (*RRCServer) RegisterEHF 

func (s *RRCServer) RegisterEHF(factory EventHandlerFactory)

func (*RRCServer) Run added in v1.0.0 

func (s *RRCServer) Run()

func (*RRCServer) Start 

func (s *RRCServer) Start() error

func (*RRCServer) Stop 

func (s *RRCServer) Stop()

type Reactor 

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

func (*Reactor) Close 

func (r *Reactor) Close()

func (*Reactor) Error 

func (r *Reactor) Error() error

func (*Reactor) HandleEvents 

func (r *Reactor) HandleEvents()

type Requester 

type Requester interface {
	Codec
	Request(interface{}) error
	Data() interface{}
	SetData(interface{})
	WarpResponser() Responser
	Type() uint8
	Session() *MultiplexedSession
	Sequence() uint64
	StartAnalyze(span *tracing.Span)
	FinishAnalyze()
}

type Responser 

type Responser interface {
	Codec
	Response(interface{}, bool) error
	Callback(interface{}) error
	Apply() error
	Type() uint8
	Session() *MultiplexedSession
	Sequence() uint64
	StartAnalyze(span *tracing.Span)
	FinishAnalyze()
}

type Selector 

type Selector interface {
	Select() ([]byte, bool)
}

type SessionRole 

type SessionRole string
const (
	RoleClient SessionRole = "client"
	RoleServer SessionRole = "server"
)

type TransitionTable 

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

func NewTransitionTable 

func NewTransitionTable() *TransitionTable

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