micro-server-grpc/options.go
Vasiliy Tolstov a149084e9a move useful options to micro repo
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2020-12-15 11:56:11 +03:00

55 lines
1.4 KiB
Go

package grpc
import (
"context"
"crypto/tls"
"github.com/unistack-org/micro/v3/server"
"google.golang.org/grpc"
"google.golang.org/grpc/encoding"
)
type codecsKey struct{}
type grpcOptions struct{}
type maxMsgSizeKey struct{}
type tlsAuth struct{}
type reflectionKey struct{}
// gRPC Codec to be used to encode/decode requests for a given content type
func Codec(contentType string, c encoding.Codec) server.Option {
return func(o *server.Options) {
codecs := make(map[string]encoding.Codec)
if o.Context == nil {
o.Context = context.Background()
}
if v, ok := o.Context.Value(codecsKey{}).(map[string]encoding.Codec); ok && v != nil {
codecs = v
}
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) server.Option {
return setServerOption(tlsAuth{}, t)
}
// Options to be used to configure gRPC options
func Options(opts ...grpc.ServerOption) server.Option {
return setServerOption(grpcOptions{}, opts)
}
//
// MaxMsgSize set the maximum message in bytes the server can receive and
// send. Default maximum message size is 4 MB.
//
func MaxMsgSize(s int) server.Option {
return setServerOption(maxMsgSizeKey{}, s)
}
// Reflection enables reflection support in grpc server
func Reflection(b bool) server.Option {
return setServerOption(reflectionKey{}, b)
}