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Documentation

Index

• Constants
• Variables
• func GetOpencensusSpanContextFromContext(ctx context.Context) (*trace.SpanContext, error)
• func GetSpanContextFromContext(ctx context.Context) (opentracing.SpanContext, error)
• func RegisterCodec(t protocol.SerializeType, c codec.Codec)
• type Context
  • func NewContext(ctx context.Context) *Context
  • func WithLocalValue(ctx *Context, key, val interface{}) *Context
  • func WithValue(parent context.Context, key, val interface{}) *Context
  • func (c *Context) SetValue(key, val interface{})
  • func (c *Context) String() string
  • func (c *Context) Value(key interface{}) interface{}
• type ContextKey

Constants

const (
	// DefaultRPCPath is used by ServeHTTP.
	DefaultRPCPath = "/_rpcx_"

	// AuthKey is used in metadata.
	AuthKey = "__AUTH"

	// OpentracingSpanServerKey key in service context
	OpentracingSpanServerKey = "opentracing_span_server_key"
	// OpentracingSpanClientKey key in client context
	OpentracingSpanClientKey = "opentracing_span_client_key"

	// OpencensusSpanServerKey key in service context
	OpencensusSpanServerKey = "opencensus_span_server_key"
	// OpencensusSpanClientKey key in client context
	OpencensusSpanClientKey = "opencensus_span_client_key"
	// OpencensusSpanRequestKey span key in request meta
	OpencensusSpanRequestKey = "opencensus_span_request_key"
)

Variables

var (
	// Codecs are codecs supported by rpcx. You can add customized codecs in Codecs.
	Codecs = map[protocol.SerializeType]codec.Codec{
		protocol.SerializeNone: &codec.ByteCodec{},
		protocol.JSON:          &codec.JSONCodec{},
		protocol.ProtoBuffer:   &codec.PBCodec{},
		protocol.MsgPack:       &codec.MsgpackCodec{},
		protocol.Thrift:        &codec.ThriftCodec{},
	}
)

var ReqMetaDataKey = ContextKey("__req_metadata")

ReqMetaDataKey is used to set metatdata in context of requests.

var ResMetaDataKey = ContextKey("__res_metadata")

ResMetaDataKey is used to set metatdata in context of responses.

Functions

func GetOpencensusSpanContextFromContext

func GetOpencensusSpanContextFromContext(ctx context.Context) (*trace.SpanContext, error)

GetOpencensusSpanContextFromContext get opencensus.trace.SpanContext from context.Context.

func GetSpanContextFromContext

func GetSpanContextFromContext(ctx context.Context) (opentracing.SpanContext, error)

GetSpanContextFromContext get opentracing.SpanContext from context.Context.

func RegisterCodec

func RegisterCodec(t protocol.SerializeType, c codec.Codec)

RegisterCodec register customized codec.

Types

type Context

type Context struct {
	context.Context
	// contains filtered or unexported fields
}

Context is a rpcx customized Context that can contains multiple values.

func NewContext

func NewContext(ctx context.Context) *Context

func WithLocalValue

func WithLocalValue(ctx *Context, key, val interface{}) *Context

func WithValue

func WithValue(parent context.Context, key, val interface{}) *Context

func (*Context) SetValue

func (c *Context) SetValue(key, val interface{})

func (*Context) String

func (c *Context) String() string

func (*Context) Value

func (c *Context) Value(key interface{}) interface{}

type ContextKey

type ContextKey string

ContextKey defines key type in context.