server/pkg/loafer/app/app.go
2019-11-14 00:18:54 +09:00

87 lines
2.2 KiB
Go

package app
import (
"fmt"
"log"
"reflect"
"git.loafle.net/loafer/di-go"
appAnnotation "git.loafle.net/totopia/server/pkg/loafer/app/annotation"
webAnnotation "git.loafle.net/totopia/server/pkg/loafer/web/annotation"
"github.com/buaazp/fasthttprouter"
"github.com/valyala/fasthttp"
)
type MethodMapping struct {
Method string
ParamKeys []string
}
func Run(t reflect.Type) error {
taServer := di.GetTypeAnnotation(t, appAnnotation.ServerAnnotationType)
if nil == taServer {
return fmt.Errorf("[%s] is not Server, use @app:Server", t.Elem().Name())
}
aServer := taServer.(*appAnnotation.ServerAnnotation)
log.Printf("%s %d", t.Elem().Name(), aServer.HTTPPort)
restHandlers, err := di.GetInstancesByAnnotationType(webAnnotation.RestHandlerAnnotationType)
if nil != err {
return fmt.Errorf("[%v]", err)
}
for _, restHandler := range restHandlers {
parseRestHandler(restHandler)
parseRequestMapping(restHandler)
}
router := fasthttprouter.New()
if err := fasthttp.ListenAndServe(fmt.Sprintf(":%d", aServer.HTTPPort), router.Handler); nil != err {
return err
}
return nil
}
func parseRestHandler(restHandler interface{}) {
t := reflect.TypeOf(restHandler)
ta := di.GetTypeAnnotation(t, webAnnotation.RestHandlerAnnotationType)
if nil == ta {
log.Printf("Service[%s] is not RESTService, use @RESTService", t.Elem().Name())
return
}
log.Printf("%s %v", t.Elem().Name(), ta)
}
func parseRequestMapping(restHandler interface{}) {
t := reflect.TypeOf(restHandler)
mas := di.GetMethodAnnotations(t, webAnnotation.RequestMappingAnnotationType)
if nil == mas || 0 == len(mas) {
return
}
methodMapping := make(map[string]map[string]*MethodMapping)
for methodName, v := range mas {
ma := v.(*webAnnotation.RequestMappingAnnotation)
mm, ok := methodMapping[ma.Method]
if !ok {
mm = make(map[string]*MethodMapping)
methodMapping[ma.Method] = mm
}
_, ok = mm[ma.Entry]
if ok {
log.Printf("Mapping of method[%s], entry[%s] is exist already", ma.Method, ma.Entry)
continue
}
mm[ma.Entry] = &MethodMapping{
Method: fmt.Sprintf("%s.%s", t.Elem().Name(), methodName),
}
}
log.Printf("%s %v", t.Elem().Name(), methodMapping)
}