Squashed commit of the following:

commit 29b2f25850
Author: mountain <mountain@action2quare.com>
Date:   Wed Jul 19 09:33:37 2023 +0900

    타입 이름 변경

commit 256bfd030c
Author: mountain <mountain@action2quare.com>
Date:   Wed Jul 19 09:31:01 2023 +0900

    redison 추가

commit 72a683fed2
Author: mountain <mountain@action2quare.com>
Date:   Tue Jul 18 19:51:24 2023 +0900

    gob에 []any 추가

commit 89fa9e4ac5
Author: mountain <mountain@action2quare.com>
Date:   Tue Jul 18 17:45:12 2023 +0900

    write control 수정

commit d724cc84fa
Author: mountain <mountain@action2quare.com>
Date:   Tue Jul 18 17:38:04 2023 +0900

    redis pubsub 채널 이름에 디비 인덱스 추가

commit 8df248fa54
Author: mountain <mountain@action2quare.com>
Date:   Tue Jul 18 17:20:47 2023 +0900

    close를 writecontrol로 변경

commit 40a603522d
Author: mountain <mountain@action2quare.com>
Date:   Tue Jul 18 12:21:06 2023 +0900

    conn에 msg를 쓰는 쓰레드 단일화

commit c21017d2cd
Author: mountain <mountain@action2quare.com>
Date:   Tue Jul 18 11:08:38 2023 +0900

    redis call이 문제가 아니었음

commit 82abcddb49
Author: mountain <mountain@action2quare.com>
Date:   Tue Jul 18 11:04:15 2023 +0900

    잦은 redis call 회피

commit 289af24a8f
Author: mountain <mountain@action2quare.com>
Date:   Tue Jul 18 09:55:18 2023 +0900

    room create 메시지 전송

commit 4b35e0e638
Author: mountain <mountain@action2quare.com>
Date:   Tue Jul 18 09:45:27 2023 +0900

    EventReceiver 인터페이스 추가

commit 29843802ff
Author: mountain <mountain@action2quare.com>
Date:   Mon Jul 17 17:45:40 2023 +0900

    gob 등록

commit 66aea48fb7
Author: mountain <mountain@action2quare.com>
Date:   Sun Jul 16 18:39:11 2023 +0900

    채널간 publish marshalling을 gob으로 변경

commit 8f6c87a8ae
Author: mountain <mountain@action2quare.com>
Date:   Sun Jul 16 16:37:02 2023 +0900

    redis option을 copy로 변경

commit f0f459332d
Author: mountain <mountain@action2quare.com>
Date:   Sat Jul 15 17:08:33 2023 +0900

    wshandler에서 authcache제거하고 config 포맷 변경

wshandler/room.go

@@ -14,16 +14,18 @@ type room struct {
 	messageChan chan *UpstreamMessage
 	name        string
 	destroyChan chan<- string
+	sendMsgChan chan<- send_msg_queue_elem
 }
 
 // 만약 destroyChan가 nil이면 room이 비어도 파괴되지 않는다. 영구 유지되는 room
-func makeRoom(name string, destroyChan chan<- string) *room {
+func makeRoom(name string, destroyChan chan<- string, sendMsgChan chan<- send_msg_queue_elem) *room {
 	return &room{
 		inChan:      make(chan *wsconn, 10),
 		outChan:     make(chan *wsconn, 10),
 		messageChan: make(chan *UpstreamMessage, 100),
 		name:        name,
 		destroyChan: destroyChan,
+		sendMsgChan: sendMsgChan,
 	}
 }
 
@@ -85,7 +87,11 @@ func (r *room) loop(ctx context.Context, conns *map[string]*wsconn) (normalEnd b
 			bt, _ := json.Marshal(ds)
 
 			for _, conn := range *conns {
-				conn.Conn.WriteMessage(websocket.TextMessage, bt)
+				r.sendMsgChan <- send_msg_queue_elem{
+					to:  conn,
+					mt:  websocket.TextMessage,
+					msg: bt,
+				}
 			}
 		}
 	}