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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package otelgrpc // import "go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
import (
"google.golang.org/grpc"
)
// InterceptorType is the flag to define which gRPC interceptor
// the InterceptorInfo object is.
type InterceptorType uint8
const (
// UndefinedInterceptor is the type for the interceptor information that is not
// well initialized or categorized to other types.
UndefinedInterceptor InterceptorType = iota
// UnaryClient is the type for grpc.UnaryClient interceptor.
UnaryClient
// StreamClient is the type for grpc.StreamClient interceptor.
StreamClient
// UnaryServer is the type for grpc.UnaryServer interceptor.
UnaryServer
// StreamServer is the type for grpc.StreamServer interceptor.
StreamServer
)
// InterceptorInfo is the union of some arguments to four types of
// gRPC interceptors.
type InterceptorInfo struct {
// Method is method name registered to UnaryClient and StreamClient
Method string
// UnaryServerInfo is the metadata for UnaryServer
UnaryServerInfo *grpc.UnaryServerInfo
// StreamServerInfo if the metadata for StreamServer
StreamServerInfo *grpc.StreamServerInfo
// Type is the type for interceptor
Type InterceptorType
}
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