45 lines
987 B
Go
45 lines
987 B
Go
// Package grpc resolves a grpc service like /greeter.Say/Hello to greeter service
|
|
package grpc
|
|
|
|
import (
|
|
"errors"
|
|
"net/http"
|
|
"strings"
|
|
|
|
"github.com/micro/go-micro/v3/api/resolver"
|
|
)
|
|
|
|
type Resolver struct {
|
|
opts resolver.Options
|
|
}
|
|
|
|
func (r *Resolver) Resolve(req *http.Request, opts ...resolver.ResolveOption) (*resolver.Endpoint, error) {
|
|
// parse options
|
|
options := resolver.NewResolveOptions(opts...)
|
|
|
|
// /foo.Bar/Service
|
|
if req.URL.Path == "/" {
|
|
return nil, errors.New("unknown name")
|
|
}
|
|
// [foo.Bar, Service]
|
|
parts := strings.Split(req.URL.Path[1:], "/")
|
|
// [foo, Bar]
|
|
name := strings.Split(parts[0], ".")
|
|
// foo
|
|
return &resolver.Endpoint{
|
|
Name: strings.Join(name[:len(name)-1], "."),
|
|
Host: req.Host,
|
|
Method: req.Method,
|
|
Path: req.URL.Path,
|
|
Domain: options.Domain,
|
|
}, nil
|
|
}
|
|
|
|
func (r *Resolver) String() string {
|
|
return "grpc"
|
|
}
|
|
|
|
func NewResolver(opts ...resolver.Option) resolver.Resolver {
|
|
return &Resolver{opts: resolver.NewOptions(opts...)}
|
|
}
|