[PD1] Generic networking server and client implemented

Projs/PD1/internal/protocol/protocol.go

@@ -1,8 +1,6 @@
 package protocol
 
 import (
-	"encoding/json"
-	"fmt"
 	"time"
 )
 
@@ -12,8 +10,9 @@ const (
 	ReqPK PacketType = iota
 	ReqAllMsg
 	ReqMsg
+    SubmitMsg
 	SendPK
-	UsrMsg
+    Msg
 )
 
 type PacketBody interface {}
@@ -39,18 +38,19 @@ type RequestMsg struct {
 	Num     uint16
 }
 
-// Server --> Client: Send the client the requested public key
-type SendPubKey struct {
-	Key     []byte
-}
-
-// Bidirectional: Send messages between server and clients
-type SendMessage struct {
+// Client --> Server: Send message from client to server 
+type SubmitMessage struct {
 	ToUID   string
 	Subject []byte
 	Body    []byte
 }
 
+// Server --> Client: Send the client the requested public key
+type SendPubKey struct {
+	Key     []byte
+}
+
+// Server --> Client: Send the client a message
 type Message struct {
     FromUID string
 	ToUID   string
@@ -58,11 +58,3 @@ type Message struct {
 	Body    []byte
     Timestamp time.Time
 }
-
-func (p Packet) Marshal() ([]byte, error) {
-    return json.Marshal(p)
-}
-
-func (p *Packet) Unmarshal(data []byte) error {
-	return json.Unmarshal(data, p)
-}