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vendor: initial vendor
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
63
vendor/google.golang.org/grpc/stats/handlers.go
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63
vendor/google.golang.org/grpc/stats/handlers.go
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/*
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*
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* Copyright 2016 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package stats
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import (
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"context"
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"net"
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)
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// ConnTagInfo defines the relevant information needed by connection context tagger.
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type ConnTagInfo struct {
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// RemoteAddr is the remote address of the corresponding connection.
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RemoteAddr net.Addr
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// LocalAddr is the local address of the corresponding connection.
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LocalAddr net.Addr
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}
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// RPCTagInfo defines the relevant information needed by RPC context tagger.
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type RPCTagInfo struct {
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// FullMethodName is the RPC method in the format of /package.service/method.
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FullMethodName string
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// FailFast indicates if this RPC is failfast.
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// This field is only valid on client side, it's always false on server side.
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FailFast bool
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}
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// Handler defines the interface for the related stats handling (e.g., RPCs, connections).
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type Handler interface {
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// TagRPC can attach some information to the given context.
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// The context used for the rest lifetime of the RPC will be derived from
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// the returned context.
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TagRPC(context.Context, *RPCTagInfo) context.Context
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// HandleRPC processes the RPC stats.
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HandleRPC(context.Context, RPCStats)
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// TagConn can attach some information to the given context.
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// The returned context will be used for stats handling.
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// For conn stats handling, the context used in HandleConn for this
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// connection will be derived from the context returned.
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// For RPC stats handling,
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// - On server side, the context used in HandleRPC for all RPCs on this
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// connection will be derived from the context returned.
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// - On client side, the context is not derived from the context returned.
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TagConn(context.Context, *ConnTagInfo) context.Context
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// HandleConn processes the Conn stats.
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HandleConn(context.Context, ConnStats)
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}
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295
vendor/google.golang.org/grpc/stats/stats.go
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295
vendor/google.golang.org/grpc/stats/stats.go
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/*
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*
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* Copyright 2016 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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//go:generate protoc --go_out=plugins=grpc:. grpc_testing/test.proto
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// Package stats is for collecting and reporting various network and RPC stats.
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// This package is for monitoring purpose only. All fields are read-only.
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// All APIs are experimental.
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package stats // import "google.golang.org/grpc/stats"
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import (
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"context"
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"net"
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"time"
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)
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// RPCStats contains stats information about RPCs.
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type RPCStats interface {
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isRPCStats()
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// IsClient returns true if this RPCStats is from client side.
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IsClient() bool
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}
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// Begin contains stats when an RPC begins.
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// FailFast is only valid if this Begin is from client side.
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type Begin struct {
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// Client is true if this Begin is from client side.
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Client bool
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// BeginTime is the time when the RPC begins.
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BeginTime time.Time
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// FailFast indicates if this RPC is failfast.
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FailFast bool
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}
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// IsClient indicates if the stats information is from client side.
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func (s *Begin) IsClient() bool { return s.Client }
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func (s *Begin) isRPCStats() {}
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// InPayload contains the information for an incoming payload.
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type InPayload struct {
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// Client is true if this InPayload is from client side.
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Client bool
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// Payload is the payload with original type.
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Payload interface{}
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// Data is the serialized message payload.
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Data []byte
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// Length is the length of uncompressed data.
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Length int
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// WireLength is the length of data on wire (compressed, signed, encrypted).
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WireLength int
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// RecvTime is the time when the payload is received.
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RecvTime time.Time
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}
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// IsClient indicates if the stats information is from client side.
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func (s *InPayload) IsClient() bool { return s.Client }
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func (s *InPayload) isRPCStats() {}
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// InHeader contains stats when a header is received.
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type InHeader struct {
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// Client is true if this InHeader is from client side.
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Client bool
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// WireLength is the wire length of header.
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WireLength int
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// The following fields are valid only if Client is false.
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// FullMethod is the full RPC method string, i.e., /package.service/method.
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FullMethod string
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// RemoteAddr is the remote address of the corresponding connection.
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RemoteAddr net.Addr
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// LocalAddr is the local address of the corresponding connection.
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LocalAddr net.Addr
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// Compression is the compression algorithm used for the RPC.
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Compression string
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}
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// IsClient indicates if the stats information is from client side.
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func (s *InHeader) IsClient() bool { return s.Client }
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func (s *InHeader) isRPCStats() {}
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// InTrailer contains stats when a trailer is received.
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type InTrailer struct {
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// Client is true if this InTrailer is from client side.
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Client bool
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// WireLength is the wire length of trailer.
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WireLength int
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}
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// IsClient indicates if the stats information is from client side.
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func (s *InTrailer) IsClient() bool { return s.Client }
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func (s *InTrailer) isRPCStats() {}
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// OutPayload contains the information for an outgoing payload.
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type OutPayload struct {
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// Client is true if this OutPayload is from client side.
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Client bool
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// Payload is the payload with original type.
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Payload interface{}
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// Data is the serialized message payload.
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Data []byte
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// Length is the length of uncompressed data.
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Length int
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// WireLength is the length of data on wire (compressed, signed, encrypted).
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WireLength int
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// SentTime is the time when the payload is sent.
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SentTime time.Time
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}
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// IsClient indicates if this stats information is from client side.
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func (s *OutPayload) IsClient() bool { return s.Client }
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func (s *OutPayload) isRPCStats() {}
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// OutHeader contains stats when a header is sent.
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type OutHeader struct {
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// Client is true if this OutHeader is from client side.
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Client bool
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// The following fields are valid only if Client is true.
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// FullMethod is the full RPC method string, i.e., /package.service/method.
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FullMethod string
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// RemoteAddr is the remote address of the corresponding connection.
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RemoteAddr net.Addr
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// LocalAddr is the local address of the corresponding connection.
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LocalAddr net.Addr
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// Compression is the compression algorithm used for the RPC.
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Compression string
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}
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// IsClient indicates if this stats information is from client side.
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func (s *OutHeader) IsClient() bool { return s.Client }
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func (s *OutHeader) isRPCStats() {}
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// OutTrailer contains stats when a trailer is sent.
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type OutTrailer struct {
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// Client is true if this OutTrailer is from client side.
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Client bool
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// WireLength is the wire length of trailer.
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WireLength int
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}
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// IsClient indicates if this stats information is from client side.
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func (s *OutTrailer) IsClient() bool { return s.Client }
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func (s *OutTrailer) isRPCStats() {}
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// End contains stats when an RPC ends.
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type End struct {
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// Client is true if this End is from client side.
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Client bool
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// BeginTime is the time when the RPC began.
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BeginTime time.Time
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// EndTime is the time when the RPC ends.
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EndTime time.Time
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// Error is the error the RPC ended with. It is an error generated from
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// status.Status and can be converted back to status.Status using
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// status.FromError if non-nil.
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Error error
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}
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// IsClient indicates if this is from client side.
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func (s *End) IsClient() bool { return s.Client }
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func (s *End) isRPCStats() {}
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// ConnStats contains stats information about connections.
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type ConnStats interface {
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isConnStats()
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// IsClient returns true if this ConnStats is from client side.
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IsClient() bool
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}
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// ConnBegin contains the stats of a connection when it is established.
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type ConnBegin struct {
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// Client is true if this ConnBegin is from client side.
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Client bool
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}
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// IsClient indicates if this is from client side.
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func (s *ConnBegin) IsClient() bool { return s.Client }
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func (s *ConnBegin) isConnStats() {}
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// ConnEnd contains the stats of a connection when it ends.
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type ConnEnd struct {
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// Client is true if this ConnEnd is from client side.
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Client bool
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}
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// IsClient indicates if this is from client side.
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func (s *ConnEnd) IsClient() bool { return s.Client }
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func (s *ConnEnd) isConnStats() {}
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type incomingTagsKey struct{}
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type outgoingTagsKey struct{}
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// SetTags attaches stats tagging data to the context, which will be sent in
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// the outgoing RPC with the header grpc-tags-bin. Subsequent calls to
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// SetTags will overwrite the values from earlier calls.
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//
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// NOTE: this is provided only for backward compatibility with existing clients
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// and will likely be removed in an upcoming release. New uses should transmit
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// this type of data using metadata with a different, non-reserved (i.e. does
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// not begin with "grpc-") header name.
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func SetTags(ctx context.Context, b []byte) context.Context {
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return context.WithValue(ctx, outgoingTagsKey{}, b)
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}
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// Tags returns the tags from the context for the inbound RPC.
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//
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// NOTE: this is provided only for backward compatibility with existing clients
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// and will likely be removed in an upcoming release. New uses should transmit
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// this type of data using metadata with a different, non-reserved (i.e. does
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// not begin with "grpc-") header name.
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func Tags(ctx context.Context) []byte {
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b, _ := ctx.Value(incomingTagsKey{}).([]byte)
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return b
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}
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// SetIncomingTags attaches stats tagging data to the context, to be read by
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// the application (not sent in outgoing RPCs).
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//
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// This is intended for gRPC-internal use ONLY.
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func SetIncomingTags(ctx context.Context, b []byte) context.Context {
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return context.WithValue(ctx, incomingTagsKey{}, b)
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}
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// OutgoingTags returns the tags from the context for the outbound RPC.
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//
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// This is intended for gRPC-internal use ONLY.
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func OutgoingTags(ctx context.Context) []byte {
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b, _ := ctx.Value(outgoingTagsKey{}).([]byte)
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return b
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}
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type incomingTraceKey struct{}
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type outgoingTraceKey struct{}
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// SetTrace attaches stats tagging data to the context, which will be sent in
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// the outgoing RPC with the header grpc-trace-bin. Subsequent calls to
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// SetTrace will overwrite the values from earlier calls.
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//
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// NOTE: this is provided only for backward compatibility with existing clients
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// and will likely be removed in an upcoming release. New uses should transmit
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// this type of data using metadata with a different, non-reserved (i.e. does
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// not begin with "grpc-") header name.
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func SetTrace(ctx context.Context, b []byte) context.Context {
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return context.WithValue(ctx, outgoingTraceKey{}, b)
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}
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// Trace returns the trace from the context for the inbound RPC.
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//
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// NOTE: this is provided only for backward compatibility with existing clients
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// and will likely be removed in an upcoming release. New uses should transmit
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// this type of data using metadata with a different, non-reserved (i.e. does
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// not begin with "grpc-") header name.
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func Trace(ctx context.Context) []byte {
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b, _ := ctx.Value(incomingTraceKey{}).([]byte)
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return b
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}
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// SetIncomingTrace attaches stats tagging data to the context, to be read by
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// the application (not sent in outgoing RPCs). It is intended for
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// gRPC-internal use.
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func SetIncomingTrace(ctx context.Context, b []byte) context.Context {
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return context.WithValue(ctx, incomingTraceKey{}, b)
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}
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// OutgoingTrace returns the trace from the context for the outbound RPC. It is
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// intended for gRPC-internal use.
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func OutgoingTrace(ctx context.Context) []byte {
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b, _ := ctx.Value(outgoingTraceKey{}).([]byte)
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return b
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}
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