From 1e5c432e1029601a664454388ae366ef69618d62 Mon Sep 17 00:00:00 2001 From: Christopher Speller Date: Mon, 25 Jun 2018 12:33:13 -0700 Subject: MM-10702 Moving plugins to use hashicorp go-plugin. (#8978) * Moving plugins to use hashicorp go-plugin. * Tweaks from feedback. --- vendor/google.golang.org/grpc/stats/handlers.go | 64 +++++ vendor/google.golang.org/grpc/stats/stats.go | 296 ++++++++++++++++++++++++ 2 files changed, 360 insertions(+) create mode 100644 vendor/google.golang.org/grpc/stats/handlers.go create mode 100644 vendor/google.golang.org/grpc/stats/stats.go (limited to 'vendor/google.golang.org/grpc/stats') diff --git a/vendor/google.golang.org/grpc/stats/handlers.go b/vendor/google.golang.org/grpc/stats/handlers.go new file mode 100644 index 000000000..05b384c69 --- /dev/null +++ b/vendor/google.golang.org/grpc/stats/handlers.go @@ -0,0 +1,64 @@ +/* + * + * 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. + * + */ + +package stats + +import ( + "net" + + "golang.org/x/net/context" +) + +// ConnTagInfo defines the relevant information needed by connection context tagger. +type ConnTagInfo struct { + // RemoteAddr is the remote address of the corresponding connection. + RemoteAddr net.Addr + // LocalAddr is the local address of the corresponding connection. + LocalAddr net.Addr +} + +// RPCTagInfo defines the relevant information needed by RPC context tagger. +type RPCTagInfo struct { + // FullMethodName is the RPC method in the format of /package.service/method. + FullMethodName string + // FailFast indicates if this RPC is failfast. + // This field is only valid on client side, it's always false on server side. + FailFast bool +} + +// Handler defines the interface for the related stats handling (e.g., RPCs, connections). +type Handler interface { + // TagRPC can attach some information to the given context. + // The context used for the rest lifetime of the RPC will be derived from + // the returned context. + TagRPC(context.Context, *RPCTagInfo) context.Context + // HandleRPC processes the RPC stats. + HandleRPC(context.Context, RPCStats) + + // TagConn can attach some information to the given context. + // The returned context will be used for stats handling. + // For conn stats handling, the context used in HandleConn for this + // connection will be derived from the context returned. + // For RPC stats handling, + // - On server side, the context used in HandleRPC for all RPCs on this + // connection will be derived from the context returned. + // - On client side, the context is not derived from the context returned. + TagConn(context.Context, *ConnTagInfo) context.Context + // HandleConn processes the Conn stats. + HandleConn(context.Context, ConnStats) +} diff --git a/vendor/google.golang.org/grpc/stats/stats.go b/vendor/google.golang.org/grpc/stats/stats.go new file mode 100644 index 000000000..3f13190a0 --- /dev/null +++ b/vendor/google.golang.org/grpc/stats/stats.go @@ -0,0 +1,296 @@ +/* + * + * 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 +} -- cgit v1.2.3-1-g7c22