protocol

package
v3.1.0-rc1 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jul 17, 2023 License: Apache-2.0 Imports: 11 Imported by: 167

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	ErrClientClosed     = perrors.New("remoting client has closed")
	ErrNoReply          = perrors.New("request need @response")
	ErrDestroyedInvoker = perrors.New("request Destroyed invoker")
)

Functions

func BeginCount 

func BeginCount(url *common.URL, methodName string)

BeginCount gets begin count.

func CleanAllStatus 

func CleanAllStatus()

CleanAllStatus is used to clean all status

func CurrentTimeMillis 

func CurrentTimeMillis() int64

CurrentTimeMillis get current timestamp

func EndCount 

func EndCount(url *common.URL, methodName string, elapsed int64, succeeded bool)

EndCount gets end count.

func GetAndRefreshState 

func GetAndRefreshState() bool

func GetInvokerHealthyStatus 

func GetInvokerHealthyStatus(invoker Invoker) bool

GetInvokerHealthyStatus get invoker's conn healthy status

func RemoveInvokerUnhealthyStatus 

func RemoveInvokerUnhealthyStatus(invoker Invoker)

RemoveInvokerUnhealthyStatus remove unhealthy status of target invoker from blacklist

func RemoveUrlKeyUnhealthyStatus 

func RemoveUrlKeyUnhealthyStatus(key string)

RemoveUrlKeyUnhealthyStatus called when event of provider unregister, delete from black list

func SetInvokerUnhealthyStatus 

func SetInvokerUnhealthyStatus(invoker Invoker)

SetInvokerUnhealthyStatus add target invoker to black list

func TryRefreshBlackList 

func TryRefreshBlackList()

TryRefreshBlackList start 3 gr to check at most block=16 invokers in black list if target invoker is available, then remove it from black list

Types

type BaseExporter 

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

BaseExporter is default exporter implement.

func NewBaseExporter 

func NewBaseExporter(key string, invoker Invoker, exporterMap *sync.Map) *BaseExporter

NewBaseExporter creates a new BaseExporter

func (*BaseExporter) GetInvoker 

func (de *BaseExporter) GetInvoker() Invoker

GetInvoker gets invoker

func (*BaseExporter) UnExport added in v3.0.4 

func (de *BaseExporter) UnExport()

UnExport un export service.

type BaseInvoker 

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

BaseInvoker provides default invoker implements Invoker

func NewBaseInvoker 

func NewBaseInvoker(url *common.URL) *BaseInvoker

NewBaseInvoker creates a new BaseInvoker

func (*BaseInvoker) Destroy 

func (bi *BaseInvoker) Destroy()

Destroy changes available and destroyed flag

func (*BaseInvoker) GetURL 

func (bi *BaseInvoker) GetURL() *common.URL

GetURL gets base invoker URL

func (*BaseInvoker) Invoke 

func (bi *BaseInvoker) Invoke(context context.Context, invocation Invocation) Result

Invoke provides default invoker implement

func (*BaseInvoker) IsAvailable 

func (bi *BaseInvoker) IsAvailable() bool

IsAvailable gets available flag

func (*BaseInvoker) IsDestroyed 

func (bi *BaseInvoker) IsDestroyed() bool

IsDestroyed gets destroyed flag

func (*BaseInvoker) String 

func (bi *BaseInvoker) String() string

type BaseProtocol 

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

BaseProtocol is default protocol implement.

func NewBaseProtocol 

func NewBaseProtocol() BaseProtocol

NewBaseProtocol creates a new BaseProtocol

func (*BaseProtocol) Destroy 

func (bp *BaseProtocol) Destroy()

Destroy will destroy all invoker and exporter, so it only is called once.

func (*BaseProtocol) Export 

func (bp *BaseProtocol) Export(invoker Invoker) Exporter

Export is default export implement.

func (*BaseProtocol) ExporterMap 

func (bp *BaseProtocol) ExporterMap() *sync.Map

ExporterMap gets exporter map.

func (*BaseProtocol) Invokers 

func (bp *BaseProtocol) Invokers() []Invoker

Invokers gets all invokers

func (*BaseProtocol) Refer 

func (bp *BaseProtocol) Refer(url *common.URL) Invoker

Refer is default refer implement.

func (*BaseProtocol) SetExporterMap 

func (bp *BaseProtocol) SetExporterMap(key string, exporter Exporter)

SetExporterMap set @exporter with @key to local memory.

func (*BaseProtocol) SetInvokers 

func (bp *BaseProtocol) SetInvokers(invoker Invoker)

SetInvokers sets invoker into local memory

type Exporter 

type Exporter interface {
	GetInvoker() Invoker
	UnExport()
}

Exporter is the interface that wraps the basic GetInvoker method and Destroy UnExport.

GetInvoker method is to get invoker.

UnExport is to un export an exported service

type Invocation 

type Invocation interface {
	// MethodName gets invocation method name.
	MethodName() string
	// ActualMethodName gets actual invocation method name. It returns the method name been called if it's a generic call
	ActualMethodName() string
	// ParameterTypeNames gets invocation parameter type names.
	ParameterTypeNames() []string
	// ParameterTypes gets invocation parameter types.
	ParameterTypes() []reflect.Type
	// ParameterValues gets invocation parameter values.
	ParameterValues() []reflect.Value
	// Arguments gets arguments.
	Arguments() []interface{}
	// Reply gets response of request
	Reply() interface{}

	// Invoker gets the invoker in current context.
	Invoker() Invoker
	// IsGenericInvocation gets if this is a generic invocation
	IsGenericInvocation() bool

	Attachments() map[string]interface{}
	SetAttachment(key string, value interface{})
	GetAttachment(key string) (string, bool)
	GetAttachmentInterface(string) interface{}
	GetAttachmentWithDefaultValue(key string, defaultValue string) string
	GetAttachmentAsContext() context.Context

	// Attributes firstly introduced on dubbo-java 2.7.6. It is
	// used in internal invocation, that is, it's not passed between
	// server and client.
	Attributes() map[string]interface{}
	SetAttribute(key string, value interface{})
	GetAttribute(key string) (interface{}, bool)
	GetAttributeWithDefaultValue(key string, defaultValue interface{}) interface{}
}

Invocation is a interface which is invocation for each remote method.

type Invoker 

type Invoker interface {
	common.Node
	// Invoke the invocation and return result.
	Invoke(context.Context, Invocation) Result
}

Invoker the service invocation interface for the consumer Extension - Invoker

func GetBlackListInvokers 

func GetBlackListInvokers(blockSize int) []Invoker

GetBlackListInvokers get at most size of blockSize invokers from black list

type Protocol 

type Protocol interface {
	Export(invoker Invoker) Exporter
	Refer(url *common.URL) Invoker
	Destroy()
}

Protocol is the interface that wraps the basic Export, Refer and Destroy method.

Export method is to export service for remote invocation

Refer method is to refer a remote service

Destroy method will destroy all invokers and exporters, so it only is called once.

type RPCResult 

type RPCResult struct {
	Attrs map[string]interface{}
	Err   error
	Rest  interface{}
}

RPCResult is default RPC result.

func (*RPCResult) AddAttachment 

func (r *RPCResult) AddAttachment(key string, value interface{})

AddAttachment adds the specified map to existing attachments in this instance.

func (*RPCResult) Attachment 

func (r *RPCResult) Attachment(key string, defaultValue interface{}) interface{}

Attachment gets attachment by key with default value.

func (*RPCResult) Attachments 

func (r *RPCResult) Attachments() map[string]interface{}

Attachments gets all attachments

func (*RPCResult) Error 

func (r *RPCResult) Error() error

Error gets error.

func (*RPCResult) Result 

func (r *RPCResult) Result() interface{}

Result gets invoker result.

func (*RPCResult) SetAttachments 

func (r *RPCResult) SetAttachments(attr map[string]interface{})

SetAttachments replaces the existing attachments with the specified param.

func (*RPCResult) SetError 

func (r *RPCResult) SetError(err error)

SetError sets error.

func (*RPCResult) SetResult 

func (r *RPCResult) SetResult(rest interface{})

SetResult sets invoker result.

func (*RPCResult) String 

func (r *RPCResult) String() string

type RPCStatus 

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

RPCStatus is URL statistics.

func GetMethodStatus 

func GetMethodStatus(url *common.URL, methodName string) *RPCStatus

GetMethodStatus get method RPC status.

func GetURLStatus 

func GetURLStatus(url *common.URL) *RPCStatus

GetURLStatus get URL RPC status.

func (*RPCStatus) GetActive 

func (rpc *RPCStatus) GetActive() int32

GetActive gets active.

func (*RPCStatus) GetFailed 

func (rpc *RPCStatus) GetFailed() int32

GetFailed gets failed.

func (*RPCStatus) GetFailedElapsed 

func (rpc *RPCStatus) GetFailedElapsed() int64

GetFailedElapsed gets failed elapsed.

func (*RPCStatus) GetFailedMaxElapsed 

func (rpc *RPCStatus) GetFailedMaxElapsed() int64

GetFailedMaxElapsed gets failed max elapsed.

func (*RPCStatus) GetLastRequestFailedTimestamp 

func (rpc *RPCStatus) GetLastRequestFailedTimestamp() int64

GetLastRequestFailedTimestamp gets last request failed timestamp.

func (*RPCStatus) GetMaxElapsed 

func (rpc *RPCStatus) GetMaxElapsed() int64

GetMaxElapsed gets max elapsed.

func (*RPCStatus) GetSucceededMaxElapsed 

func (rpc *RPCStatus) GetSucceededMaxElapsed() int64

GetSucceededMaxElapsed gets succeeded max elapsed.

func (*RPCStatus) GetSuccessiveRequestFailureCount 

func (rpc *RPCStatus) GetSuccessiveRequestFailureCount() int32

GetSuccessiveRequestFailureCount gets successive request failure count.

func (*RPCStatus) GetTotal 

func (rpc *RPCStatus) GetTotal() int32

GetTotal gets total.

func (*RPCStatus) GetTotalElapsed 

func (rpc *RPCStatus) GetTotalElapsed() int64

GetTotalElapsed gets total elapsed.

type Result 

type Result interface {
	SetError(error)
	Error() error
	SetResult(interface{})
	Result() interface{}
	SetAttachments(map[string]interface{})
	Attachments() map[string]interface{}
	AddAttachment(string, interface{})
	Attachment(string, interface{}) interface{}
}

Result is a interface that represents RPC result

SetError method sets error.

Error method gets error.

SetResult method sets invoker result.

Result method gets invoker result.

SetAttachments method replaces the existing attachments with the specified param.

Attachments method gets all attachments

AddAttachment method adds the specified map to existing attachments in this instance.

Attachment method gets attachment by key with default value.

Source Files

View all Source files

Directories

Path Synopsis
Package dubbo implements dubbo rpc protocol.
 Package dubbo implements dubbo rpc protocol.
hessian2
impl
Package dubbo3 implements dubbo3.0 rpc protocol.
 Package dubbo3 implements dubbo3.0 rpc protocol.
health
Package health provides a service that exposes server's health and it must be imported to enable support for client-side health checks.
 Package health provides a service that exposes server's health and it must be imported to enable support for client-side health checks.
health/triple_health_v1
internal
reflection
Package reflection implements server reflection service.
 Package reflection implements server reflection service.
reflection/triple_reflection_v1alpha
Package grpc implements grpc rpc protocol.
 Package grpc implements grpc rpc protocol.
internal
internal/helloworld
internal/multiprotos
internal/routeguide
protoc-gen-dubbo/plugin/dubbo
Package jsonrpc implements json rpc protocol.
 Package jsonrpc implements json rpc protocol.
Package mock is a generated GoMock package.
 Package mock is a generated GoMock package.
Package rest implements restful rpc protocol.
 Package rest implements restful rpc protocol.
client
client/client_impl
config
config/reader
server
server/server_impl

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