Initial commit

internal/server/server.go

@@ -0,0 +1,71 @@
+package server
+
+import (
+	"fmt"
+	"io"
+	"net"
+
+	"httpfromtcp/internal/response"
+	"httpfromtcp/internal/request"
+)
+
+type HandlerError struct{
+	StatusCode response.StatusCode
+	Message string
+}
+
+type Handler func(w *response.Writer, req *request.Request)
+
+type Server struct {
+	Closed bool
+	Handler Handler
+}
+
+func runConnection(s *Server, conn io.ReadWriteCloser) {
+	defer conn.Close()
+
+	responseWriter := response.NewWriter(conn)
+	headers := response.GetDefaultHeaders(0)
+	r,err:= request.RequestFromReader(conn)
+	if err != nil{
+		responseWriter.WriteStatusLine(response.StatusBadRequest)
+		responseWriter.WriteHeaders(*headers)
+		return
+	}
+
+	s.Handler(responseWriter,r)
+}
+
+func runServer(s *Server, listener net.Listener) {
+	for {
+		conn, err := listener.Accept()
+
+		if s.Closed {
+			return
+		}
+
+		if err != nil {
+			return
+		}
+		go runConnection(s, conn)
+	}
+}
+
+func Serve(port uint16, handler Handler) (*Server, error) {
+	listener, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
+	if err != nil {
+		return nil, err
+	}
+	server := &Server{
+		Closed: false,
+		Handler: handler,
+	}
+	go runServer(server, listener)
+
+	return server, nil
+}
+
+func (s *Server) Close() error {
+	s.Closed = true
+	return nil
+}