blob: 317b8b9d09a58a6da70d7fa44e7118e1fdc3cee3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/*
*
* Copyright 2014 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 peer defines various peer information associated with RPCs and
// corresponding utils.
package peer
import (
"net"
"golang.org/x/net/context"
"google.golang.org/grpc/credentials"
)
// Peer contains the information of the peer for an RPC, such as the address
// and authentication information.
type Peer struct {
// Addr is the peer address.
Addr net.Addr
// AuthInfo is the authentication information of the transport.
// It is nil if there is no transport security being used.
AuthInfo credentials.AuthInfo
}
type peerKey struct{}
// NewContext creates a new context with peer information attached.
func NewContext(ctx context.Context, p *Peer) context.Context {
return context.WithValue(ctx, peerKey{}, p)
}
// FromContext returns the peer information in ctx if it exists.
func FromContext(ctx context.Context) (p *Peer, ok bool) {
p, ok = ctx.Value(peerKey{}).(*Peer)
return
}
|
