send message to mc client when connection with destination number is established

modules/kraProtocol/kraProtocol.go

@@ -23,6 +23,8 @@ const (
 	DestPlayersCurrentServer = 11
 
 	DefaultCmdID = 1
+
+	DummyUUID = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
 )
 
 func EncodeWebMessage(status int, cmdID int, cmdNumber int, args interface{}) []byte {

servers/minecraft/socketHub.go

@@ -3,6 +3,7 @@ package minecraft
 import (
 	"github.com/gofiber/websocket/v2"
 	"krakatoa.net/backend/modules/cache"
+	"krakatoa.net/backend/modules/kraProtocol"
 	"krakatoa.net/backend/modules/logger"
 	"krakatoa.net/backend/modules/structs"
 	serverCommunication "krakatoa.net/backend/serverCommunication"
@@ -17,10 +18,21 @@ func RunHub() {
 		select {
 		case connection := <-register:
 			servername := connection.Query("s")
+			dest := serverCommunication.GenerateDestForNewMinecraftClient()
 
-			cache.MinecraftClients[servername] = &structs.MinecraftClient{Name: servername, Dest: serverCommunication.GenerateDestForNewMinecraftClient(), Conn: connection}
+			cache.MinecraftClients[servername] = &structs.MinecraftClient{Name: servername, Dest: dest, Conn: connection}
 
-			logger.Minecraft.Debugln("connection registered ", connection.Query("c"), connection)
+			logger.Minecraft.Debugln("connection registered ", connection.Query("c"), connection, "dest:", dest)
+
+			mcClient := serverCommunication.GetMinecraftClientByConn(connection)
+
+			raw := kraProtocol.EncodeJavaMessage(kraProtocol.StatusGet, mcClient.GenerateMinecraftCmdID(), 0, kraProtocol.DummyUUID, 33767, mcClient.Dest)
+
+			err := mcClient.SendBinaryMessage(raw)
+
+			if err != nil {
+				logger.Minecraft.Warnln("failed to send msg to mc client:", mcClient.Name, "dest:", mcClient.Dest)
+			}
 
 		case data := <-broadcast:
 			logger.Minecraft.Debugln("message received", data.Msg)