micro/client/grpc/request.go
2019-06-03 18:44:43 +01:00

93 lines
1.8 KiB
Go

package grpc
import (
"fmt"
"reflect"
"strings"
"github.com/micro/go-micro/client"
"github.com/micro/go-micro/codec"
)
type grpcRequest struct {
service string
method string
contentType string
request interface{}
opts client.RequestOptions
}
func methodToGRPC(method string, request interface{}) string {
// no method or already grpc method
if len(method) == 0 || method[0] == '/' {
return method
}
// can't operate on nil request
t := reflect.TypeOf(request)
if t == nil {
return method
}
// dereference
if t.Kind() == reflect.Ptr {
t = t.Elem()
}
// get package name
pParts := strings.Split(t.PkgPath(), "/")
pkg := pParts[len(pParts)-1]
// assume method is Foo.Bar
mParts := strings.Split(method, ".")
if len(mParts) != 2 {
return method
}
// return /pkg.Foo/Bar
return fmt.Sprintf("/%s.%s/%s", pkg, mParts[0], mParts[1])
}
func newGRPCRequest(service, method string, request interface{}, contentType string, reqOpts ...client.RequestOption) client.Request {
var opts client.RequestOptions
for _, o := range reqOpts {
o(&opts)
}
// set the content-type specified
if len(opts.ContentType) > 0 {
contentType = opts.ContentType
}
return &grpcRequest{
service: service,
method: method,
request: request,
contentType: contentType,
opts: opts,
}
}
func (g *grpcRequest) ContentType() string {
return g.contentType
}
func (g *grpcRequest) Service() string {
return g.service
}
func (g *grpcRequest) Method() string {
return g.method
}
func (g *grpcRequest) Endpoint() string {
return g.method
}
func (g *grpcRequest) Codec() codec.Writer {
return nil
}
func (g *grpcRequest) Body() interface{} {
return g.request
}
func (g *grpcRequest) Stream() bool {
return g.opts.Stream
}