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handler.go
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/
handler.go
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package redis
import (
"reflect"
"strings"
)
type HandlerFn func(r *Request) (ReplyWriter, error)
func (srv *Server) RegisterFct(key string, f interface{}) error {
v := reflect.ValueOf(f)
handlerFn, err := srv.createHandlerFn(f, &v)
if err != nil {
return err
}
srv.Register(key, handlerFn)
return nil
}
func (srv *Server) Register(name string, fn HandlerFn) {
if srv.methods == nil {
srv.methods = make(map[string]HandlerFn)
}
if fn != nil {
Debugf("REGISTER: %s", strings.ToLower(name))
srv.methods[strings.ToLower(name)] = fn
}
}
func (srv *Server) Apply(r *Request) (ReplyWriter, error) {
if srv == nil || srv.methods == nil {
Debugf("The method map is uninitialized")
return ErrMethodNotSupported, nil
}
fn, exists := srv.methods[strings.ToLower(r.Name)]
if !exists {
return ErrMethodNotSupported, nil
}
return fn(r)
}
func (srv *Server) ApplyString(r *Request) (string, error) {
reply, err := srv.Apply(r)
if err != nil {
return "", err
}
return ReplyToString(reply)
}