traefik/vendor/google.golang.org/grpc/tap/tap.go

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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");
* you may not use this file except in compliance with the License.
* 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
* 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.
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*
*/
// Package tap defines the function handles which are executed on the transport
// layer of gRPC-Go and related information. Everything here is EXPERIMENTAL.
package tap
import (
"golang.org/x/net/context"
)
// Info defines the relevant information needed by the handles.
type Info struct {
// FullMethodName is the string of grpc method (in the format of
// /package.service/method).
FullMethodName string
// TODO: More to be added.
}
// ServerInHandle defines the function which runs when a new stream is created
// on the server side. Note that it is executed in the per-connection I/O goroutine(s) instead
// of per-RPC goroutine. Therefore, users should NOT have any blocking/time-consuming
// work in this handle. Otherwise all the RPCs would slow down.
type ServerInHandle func(ctx context.Context, info *Info) (context.Context, error)