채널간 publish marshalling을 gob으로 변경

wshandler/wshandler.go

@@ -1,7 +1,9 @@
 package wshandler
 
 import (
+	"bytes"
 	"context"
+	"encoding/gob"
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
@@ -263,16 +265,19 @@ func (sh *subhandler) mainLoop(ctx context.Context) {
 
 			raw, err := pubsub.ReceiveMessage(ctx)
 			if err == nil {
+				buffer := bytes.NewBuffer([]byte(raw.Payload))
+				dec := gob.NewDecoder(buffer)
+
 				if raw.Channel == sh.redisMsgChanName {
 					var msg UpstreamMessage
-					if err := json.Unmarshal([]byte(raw.Payload), &msg); err == nil {
+					if err := dec.Decode(&msg); err == nil {
 						sh.deliveryChan <- &msg
 					} else {
 						logger.Println("decode UpstreamMessage failed :", err)
 					}
 				} else if raw.Channel == sh.redisCmdChanName {
 					var cmd commandMessage
-					if err := json.Unmarshal([]byte(raw.Payload), &cmd); err == nil {
+					if err := dec.Decode(&cmd); err == nil {
 						sh.deliveryChan <- &cmd
 					} else {
 						logger.Println("decode UpstreamMessage failed :", err)
@@ -305,6 +310,9 @@ func (sh *subhandler) mainLoop(ctx context.Context) {
 
 	// 유저에게서 온 메세지, 소켓 연결/해체 처리
 	for {
+		buffer := bytes.NewBuffer(make([]byte, 0, 1024))
+		buffer.Reset()
+
 		select {
 		case destroyedRoom := <-roomDestroyChan:
 			delete(rooms, destroyedRoom)
@@ -330,8 +338,10 @@ func (sh *subhandler) mainLoop(ctx context.Context) {
 						break
 					}
 				}
-				if bt, err := json.Marshal(usermsg); err == nil {
-					sh.redisSync.Publish(context.Background(), sh.redisMsgChanName, bt).Result()
+
+				enc := gob.NewEncoder(buffer)
+				if err := enc.Encode(usermsg); err == nil {
+					sh.redisSync.Publish(context.Background(), sh.redisMsgChanName, buffer).Result()
 				}
 
 			case *commandMessage:
@@ -358,8 +368,9 @@ func (sh *subhandler) mainLoop(ctx context.Context) {
 				}
 
 				// 위에서 break 안걸리면 나한테 없으므로 publish를 해야 함. 그러면 다른 호스트가 deliveryChan으로 받는다
-				if bt, err := json.Marshal(usermsg); err == nil {
-					sh.redisSync.Publish(context.Background(), sh.redisCmdChanName, bt).Result()
+				enc := gob.NewEncoder(buffer)
+				if err := enc.Encode(usermsg); err == nil {
+					sh.redisSync.Publish(context.Background(), sh.redisCmdChanName, buffer).Result()
 				}
 			}