feat: implement codec

request.go

@@ -0,0 +1,47 @@
+package krpc
+
+import (
+	"fmt"
+	"io"
+	"reflect"
+	"sync"
+
+	"krwu.top/krpc.v1/codec"
+)
+
+type request struct {
+	h      *codec.Header
+	argv   reflect.Value
+	replyv reflect.Value
+}
+
+func (s *Server) readRequestHeader(cc codec.Codec) (*codec.Header, error) {
+	var h codec.Header
+	if err := cc.ReadHeader(&h); err != nil {
+		if err != io.EOF && err != io.ErrUnexpectedEOF {
+			fmt.Println("rpc server: read header error:", err)
+		}
+		return nil, err
+	}
+	return &h, nil
+}
+func (s *Server) readRequest(cc codec.Codec) (*request, error) {
+	h, err := s.readRequestHeader(cc)
+	if err != nil {
+		fmt.Println("rpc server: read request error: ", err)
+		return nil, err
+	}
+	req := &request{h: h}
+	req.argv = reflect.New(reflect.TypeOf(""))
+	if err = cc.ReadBody(req.argv.Interface()); err != nil {
+		fmt.Println("rpc server: read argv err: ", err)
+	}
+	return req, nil
+}
+
+func (s *Server) handleRequest(cc codec.Codec, req *request, sending *sync.Mutex, wg *sync.WaitGroup) {
+	defer wg.Done()
+	fmt.Println("rcp server: ", req.h, req.argv.Elem())
+	req.replyv = reflect.ValueOf(fmt.Sprintf("krpc resp %d", req.h.Seq))
+	s.sendResponse(cc, req.h, req.replyv.Interface(), sending)
+}