75 lines
1.8 KiB
Go
75 lines
1.8 KiB
Go
// Package grpc provides a gRPC options
|
|
package grpc
|
|
|
|
import (
|
|
"context"
|
|
"crypto/tls"
|
|
|
|
"github.com/micro/go-micro/client"
|
|
"google.golang.org/grpc/encoding"
|
|
)
|
|
|
|
var (
|
|
// DefaultMaxRecvMsgSize maximum message that client can receive
|
|
// (4 MB).
|
|
DefaultMaxRecvMsgSize = 1024 * 1024 * 4
|
|
|
|
// DefaultMaxSendMsgSize maximum message that client can send
|
|
// (4 MB).
|
|
DefaultMaxSendMsgSize = 1024 * 1024 * 4
|
|
)
|
|
|
|
type codecsKey struct{}
|
|
type tlsAuth struct{}
|
|
type maxRecvMsgSizeKey struct{}
|
|
type maxSendMsgSizeKey struct{}
|
|
|
|
// gRPC Codec to be used to encode/decode requests for a given content type
|
|
func Codec(contentType string, c encoding.Codec) client.Option {
|
|
return func(o *client.Options) {
|
|
codecs := make(map[string]encoding.Codec)
|
|
if o.Context == nil {
|
|
o.Context = context.Background()
|
|
}
|
|
if v := o.Context.Value(codecsKey{}); v != nil {
|
|
codecs = v.(map[string]encoding.Codec)
|
|
}
|
|
codecs[contentType] = c
|
|
o.Context = context.WithValue(o.Context, codecsKey{}, codecs)
|
|
}
|
|
}
|
|
|
|
// AuthTLS should be used to setup a secure authentication using TLS
|
|
func AuthTLS(t *tls.Config) client.Option {
|
|
return func(o *client.Options) {
|
|
if o.Context == nil {
|
|
o.Context = context.Background()
|
|
}
|
|
o.Context = context.WithValue(o.Context, tlsAuth{}, t)
|
|
}
|
|
}
|
|
|
|
//
|
|
// MaxRecvMsgSize set the maximum size of message that client can receive.
|
|
//
|
|
func MaxRecvMsgSize(s int) client.Option {
|
|
return func(o *client.Options) {
|
|
if o.Context == nil {
|
|
o.Context = context.Background()
|
|
}
|
|
o.Context = context.WithValue(o.Context, maxRecvMsgSizeKey{}, s)
|
|
}
|
|
}
|
|
|
|
//
|
|
// MaxSendMsgSize set the maximum size of message that client can send.
|
|
//
|
|
func MaxSendMsgSize(s int) client.Option {
|
|
return func(o *client.Options) {
|
|
if o.Context == nil {
|
|
o.Context = context.Background()
|
|
}
|
|
o.Context = context.WithValue(o.Context, maxSendMsgSizeKey{}, s)
|
|
}
|
|
}
|