SendUpstreamMessage 추가

wshandler/wshandler.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/hex"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -168,6 +169,23 @@ func (ws *WebsocketHandler) SetState(region string, accid primitive.ObjectID, st
 	ws.RedisSync.SetArgs(context.Background(), accid.Hex(), state, redis.SetArgs{Mode: "XX"}).Result()
 }
 
+var errNoRegion = errors.New("region is not valid")
+
+func (ws *WebsocketHandler) SendUpstreamMessage(region string, msg *UpstreamMessage) error {
+	sh := ws.authCaches[region]
+	if sh == nil {
+		return errNoRegion
+	}
+
+	bt, err := json.Marshal(msg)
+	if err != nil {
+		return err
+	}
+
+	_, err = sh.redisSync.Publish(context.Background(), sh.redisMsgChanName, bt).Result()
+	return err
+}
+
 func (sh *subhandler) mainLoop(ctx context.Context) {
 	defer func() {
 		s := recover()
@@ -240,6 +258,10 @@ func (sh *subhandler) mainLoop(ctx context.Context) {
 					}
 				} else if target[0] == '@' {
 					// TODO : 특정 유저에게만
+					conn := entireConns[target[1:]]
+					if conn != nil {
+						conn.WriteMessage(websocket.TextMessage, usermsg.Body)
+					}
 				}
 
 			case *CommandMessage: