mirror of
https://github.com/genuinetools/reg.git
synced 2024-08-21 14:20:23 -04:00
297 lines
9.7 KiB
Go
297 lines
9.7 KiB
Go
![]() |
/*
|
||
|
*
|
||
|
* Copyright 2016 gRPC authors.
|
||
|
*
|
||
|
* 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.
|
||
|
*
|
||
|
*/
|
||
|
|
||
|
//go:generate protoc --go_out=plugins=grpc:. grpc_testing/test.proto
|
||
|
|
||
|
// Package stats is for collecting and reporting various network and RPC stats.
|
||
|
// This package is for monitoring purpose only. All fields are read-only.
|
||
|
// All APIs are experimental.
|
||
|
package stats // import "google.golang.org/grpc/stats"
|
||
|
|
||
|
import (
|
||
|
"net"
|
||
|
"time"
|
||
|
|
||
|
"golang.org/x/net/context"
|
||
|
)
|
||
|
|
||
|
// RPCStats contains stats information about RPCs.
|
||
|
type RPCStats interface {
|
||
|
isRPCStats()
|
||
|
// IsClient returns true if this RPCStats is from client side.
|
||
|
IsClient() bool
|
||
|
}
|
||
|
|
||
|
// Begin contains stats when an RPC begins.
|
||
|
// FailFast is only valid if this Begin is from client side.
|
||
|
type Begin struct {
|
||
|
// Client is true if this Begin is from client side.
|
||
|
Client bool
|
||
|
// BeginTime is the time when the RPC begins.
|
||
|
BeginTime time.Time
|
||
|
// FailFast indicates if this RPC is failfast.
|
||
|
FailFast bool
|
||
|
}
|
||
|
|
||
|
// IsClient indicates if the stats information is from client side.
|
||
|
func (s *Begin) IsClient() bool { return s.Client }
|
||
|
|
||
|
func (s *Begin) isRPCStats() {}
|
||
|
|
||
|
// InPayload contains the information for an incoming payload.
|
||
|
type InPayload struct {
|
||
|
// Client is true if this InPayload is from client side.
|
||
|
Client bool
|
||
|
// Payload is the payload with original type.
|
||
|
Payload interface{}
|
||
|
// Data is the serialized message payload.
|
||
|
Data []byte
|
||
|
// Length is the length of uncompressed data.
|
||
|
Length int
|
||
|
// WireLength is the length of data on wire (compressed, signed, encrypted).
|
||
|
WireLength int
|
||
|
// RecvTime is the time when the payload is received.
|
||
|
RecvTime time.Time
|
||
|
}
|
||
|
|
||
|
// IsClient indicates if the stats information is from client side.
|
||
|
func (s *InPayload) IsClient() bool { return s.Client }
|
||
|
|
||
|
func (s *InPayload) isRPCStats() {}
|
||
|
|
||
|
// InHeader contains stats when a header is received.
|
||
|
type InHeader struct {
|
||
|
// Client is true if this InHeader is from client side.
|
||
|
Client bool
|
||
|
// WireLength is the wire length of header.
|
||
|
WireLength int
|
||
|
|
||
|
// The following fields are valid only if Client is false.
|
||
|
// FullMethod is the full RPC method string, i.e., /package.service/method.
|
||
|
FullMethod string
|
||
|
// RemoteAddr is the remote address of the corresponding connection.
|
||
|
RemoteAddr net.Addr
|
||
|
// LocalAddr is the local address of the corresponding connection.
|
||
|
LocalAddr net.Addr
|
||
|
// Compression is the compression algorithm used for the RPC.
|
||
|
Compression string
|
||
|
}
|
||
|
|
||
|
// IsClient indicates if the stats information is from client side.
|
||
|
func (s *InHeader) IsClient() bool { return s.Client }
|
||
|
|
||
|
func (s *InHeader) isRPCStats() {}
|
||
|
|
||
|
// InTrailer contains stats when a trailer is received.
|
||
|
type InTrailer struct {
|
||
|
// Client is true if this InTrailer is from client side.
|
||
|
Client bool
|
||
|
// WireLength is the wire length of trailer.
|
||
|
WireLength int
|
||
|
}
|
||
|
|
||
|
// IsClient indicates if the stats information is from client side.
|
||
|
func (s *InTrailer) IsClient() bool { return s.Client }
|
||
|
|
||
|
func (s *InTrailer) isRPCStats() {}
|
||
|
|
||
|
// OutPayload contains the information for an outgoing payload.
|
||
|
type OutPayload struct {
|
||
|
// Client is true if this OutPayload is from client side.
|
||
|
Client bool
|
||
|
// Payload is the payload with original type.
|
||
|
Payload interface{}
|
||
|
// Data is the serialized message payload.
|
||
|
Data []byte
|
||
|
// Length is the length of uncompressed data.
|
||
|
Length int
|
||
|
// WireLength is the length of data on wire (compressed, signed, encrypted).
|
||
|
WireLength int
|
||
|
// SentTime is the time when the payload is sent.
|
||
|
SentTime time.Time
|
||
|
}
|
||
|
|
||
|
// IsClient indicates if this stats information is from client side.
|
||
|
func (s *OutPayload) IsClient() bool { return s.Client }
|
||
|
|
||
|
func (s *OutPayload) isRPCStats() {}
|
||
|
|
||
|
// OutHeader contains stats when a header is sent.
|
||
|
type OutHeader struct {
|
||
|
// Client is true if this OutHeader is from client side.
|
||
|
Client bool
|
||
|
|
||
|
// The following fields are valid only if Client is true.
|
||
|
// FullMethod is the full RPC method string, i.e., /package.service/method.
|
||
|
FullMethod string
|
||
|
// RemoteAddr is the remote address of the corresponding connection.
|
||
|
RemoteAddr net.Addr
|
||
|
// LocalAddr is the local address of the corresponding connection.
|
||
|
LocalAddr net.Addr
|
||
|
// Compression is the compression algorithm used for the RPC.
|
||
|
Compression string
|
||
|
}
|
||
|
|
||
|
// IsClient indicates if this stats information is from client side.
|
||
|
func (s *OutHeader) IsClient() bool { return s.Client }
|
||
|
|
||
|
func (s *OutHeader) isRPCStats() {}
|
||
|
|
||
|
// OutTrailer contains stats when a trailer is sent.
|
||
|
type OutTrailer struct {
|
||
|
// Client is true if this OutTrailer is from client side.
|
||
|
Client bool
|
||
|
// WireLength is the wire length of trailer.
|
||
|
WireLength int
|
||
|
}
|
||
|
|
||
|
// IsClient indicates if this stats information is from client side.
|
||
|
func (s *OutTrailer) IsClient() bool { return s.Client }
|
||
|
|
||
|
func (s *OutTrailer) isRPCStats() {}
|
||
|
|
||
|
// End contains stats when an RPC ends.
|
||
|
type End struct {
|
||
|
// Client is true if this End is from client side.
|
||
|
Client bool
|
||
|
// BeginTime is the time when the RPC began.
|
||
|
BeginTime time.Time
|
||
|
// EndTime is the time when the RPC ends.
|
||
|
EndTime time.Time
|
||
|
// Error is the error the RPC ended with. It is an error generated from
|
||
|
// status.Status and can be converted back to status.Status using
|
||
|
// status.FromError if non-nil.
|
||
|
Error error
|
||
|
}
|
||
|
|
||
|
// IsClient indicates if this is from client side.
|
||
|
func (s *End) IsClient() bool { return s.Client }
|
||
|
|
||
|
func (s *End) isRPCStats() {}
|
||
|
|
||
|
// ConnStats contains stats information about connections.
|
||
|
type ConnStats interface {
|
||
|
isConnStats()
|
||
|
// IsClient returns true if this ConnStats is from client side.
|
||
|
IsClient() bool
|
||
|
}
|
||
|
|
||
|
// ConnBegin contains the stats of a connection when it is established.
|
||
|
type ConnBegin struct {
|
||
|
// Client is true if this ConnBegin is from client side.
|
||
|
Client bool
|
||
|
}
|
||
|
|
||
|
// IsClient indicates if this is from client side.
|
||
|
func (s *ConnBegin) IsClient() bool { return s.Client }
|
||
|
|
||
|
func (s *ConnBegin) isConnStats() {}
|
||
|
|
||
|
// ConnEnd contains the stats of a connection when it ends.
|
||
|
type ConnEnd struct {
|
||
|
// Client is true if this ConnEnd is from client side.
|
||
|
Client bool
|
||
|
}
|
||
|
|
||
|
// IsClient indicates if this is from client side.
|
||
|
func (s *ConnEnd) IsClient() bool { return s.Client }
|
||
|
|
||
|
func (s *ConnEnd) isConnStats() {}
|
||
|
|
||
|
type incomingTagsKey struct{}
|
||
|
type outgoingTagsKey struct{}
|
||
|
|
||
|
// SetTags attaches stats tagging data to the context, which will be sent in
|
||
|
// the outgoing RPC with the header grpc-tags-bin. Subsequent calls to
|
||
|
// SetTags will overwrite the values from earlier calls.
|
||
|
//
|
||
|
// NOTE: this is provided only for backward compatibility with existing clients
|
||
|
// and will likely be removed in an upcoming release. New uses should transmit
|
||
|
// this type of data using metadata with a different, non-reserved (i.e. does
|
||
|
// not begin with "grpc-") header name.
|
||
|
func SetTags(ctx context.Context, b []byte) context.Context {
|
||
|
return context.WithValue(ctx, outgoingTagsKey{}, b)
|
||
|
}
|
||
|
|
||
|
// Tags returns the tags from the context for the inbound RPC.
|
||
|
//
|
||
|
// NOTE: this is provided only for backward compatibility with existing clients
|
||
|
// and will likely be removed in an upcoming release. New uses should transmit
|
||
|
// this type of data using metadata with a different, non-reserved (i.e. does
|
||
|
// not begin with "grpc-") header name.
|
||
|
func Tags(ctx context.Context) []byte {
|
||
|
b, _ := ctx.Value(incomingTagsKey{}).([]byte)
|
||
|
return b
|
||
|
}
|
||
|
|
||
|
// SetIncomingTags attaches stats tagging data to the context, to be read by
|
||
|
// the application (not sent in outgoing RPCs).
|
||
|
//
|
||
|
// This is intended for gRPC-internal use ONLY.
|
||
|
func SetIncomingTags(ctx context.Context, b []byte) context.Context {
|
||
|
return context.WithValue(ctx, incomingTagsKey{}, b)
|
||
|
}
|
||
|
|
||
|
// OutgoingTags returns the tags from the context for the outbound RPC.
|
||
|
//
|
||
|
// This is intended for gRPC-internal use ONLY.
|
||
|
func OutgoingTags(ctx context.Context) []byte {
|
||
|
b, _ := ctx.Value(outgoingTagsKey{}).([]byte)
|
||
|
return b
|
||
|
}
|
||
|
|
||
|
type incomingTraceKey struct{}
|
||
|
type outgoingTraceKey struct{}
|
||
|
|
||
|
// SetTrace attaches stats tagging data to the context, which will be sent in
|
||
|
// the outgoing RPC with the header grpc-trace-bin. Subsequent calls to
|
||
|
// SetTrace will overwrite the values from earlier calls.
|
||
|
//
|
||
|
// NOTE: this is provided only for backward compatibility with existing clients
|
||
|
// and will likely be removed in an upcoming release. New uses should transmit
|
||
|
// this type of data using metadata with a different, non-reserved (i.e. does
|
||
|
// not begin with "grpc-") header name.
|
||
|
func SetTrace(ctx context.Context, b []byte) context.Context {
|
||
|
return context.WithValue(ctx, outgoingTraceKey{}, b)
|
||
|
}
|
||
|
|
||
|
// Trace returns the trace from the context for the inbound RPC.
|
||
|
//
|
||
|
// NOTE: this is provided only for backward compatibility with existing clients
|
||
|
// and will likely be removed in an upcoming release. New uses should transmit
|
||
|
// this type of data using metadata with a different, non-reserved (i.e. does
|
||
|
// not begin with "grpc-") header name.
|
||
|
func Trace(ctx context.Context) []byte {
|
||
|
b, _ := ctx.Value(incomingTraceKey{}).([]byte)
|
||
|
return b
|
||
|
}
|
||
|
|
||
|
// SetIncomingTrace attaches stats tagging data to the context, to be read by
|
||
|
// the application (not sent in outgoing RPCs). It is intended for
|
||
|
// gRPC-internal use.
|
||
|
func SetIncomingTrace(ctx context.Context, b []byte) context.Context {
|
||
|
return context.WithValue(ctx, incomingTraceKey{}, b)
|
||
|
}
|
||
|
|
||
|
// OutgoingTrace returns the trace from the context for the outbound RPC. It is
|
||
|
// intended for gRPC-internal use.
|
||
|
func OutgoingTrace(ctx context.Context) []byte {
|
||
|
b, _ := ctx.Value(outgoingTraceKey{}).([]byte)
|
||
|
return b
|
||
|
}
|