tap.go

/*
 *
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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)