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