feat: send big xml to unity

ServerLMS/Systems/sendsystem.cpp

@@ -194,15 +194,40 @@ void SendSystem::sendXmlAnswer(QByteArray array, PacketType packetType)
 
         stream << /*PacketType::TYPE_XMLANSWER*/packetType;
         stream << array;
+        socket->waitForBytesWritten();
     }
     else
     {
-        socket->write(array);
-        socket->waitForBytesWritten();
-    }
 
-    socket->flush();
-    socket->waitForReadyRead(2000);
+        QByteArray buffer(512,0);
+        QByteArray message;
+        message.append("size=");
+        message.append(QByteArray::number(array.length()));
+
+        memcpy(buffer.data(),message,message.length());
+        qDebug() << buffer.length();
+        socket->write(buffer);
+        socket->waitForBytesWritten();
+
+        if(array.length() <= 512)
+        {
+            QByteArray buffer2(512,0);
+            memcpy(buffer2.data(),array.data(),array.length());
+            socket->write(buffer2);
+        }
+        else
+        {
+            buffer.clear();
+            QDataStream stream(array);
+
+            while(!stream.atEnd())
+            {
+               stream >> buffer;
+               socket->write(array);
+               socket->waitForBytesWritten();
+            }
+        }
+    }
 }
 
 void SendSystem::sendNeedUpdate(bool flag,quint64 size,quint64 fileCount,quint64 deleteCount)