add PIClientServer::Config, common configuration type for both sides, stream packer and encryption settings

libs/client_server/piclientserver_config.cpp

@@ -0,0 +1,50 @@
+/*
+    PIP - Platform Independent Primitives
+	Ivan Pelipenko peri4ko@yandex.ru
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "piclientserver_config.h"
+
+#include "piclientserver_client_base.h"
+
+
+void PIClientServer::Config::setPacketSign(ushort sign) {
+	packet_sign = sign;
+}
+
+
+void PIClientServer::Config::setPacketSize(int bytes) {
+	packet_size = bytes;
+}
+
+
+void PIClientServer::Config::enableSymmetricEncryption(const PIByteArray & key) {
+	crypt_key = key;
+}
+
+
+void PIClientServer::Config::apply(ClientBase * client) {
+	auto & s(client->stream);
+
+	s.setPacketSign(packet_sign);
+	s.setMaxPacketSize(packet_size);
+
+	if (crypt_key.isNotEmpty()) {
+		s.setCryptEnabled(true);
+		s.setCryptKey(crypt_key);
+	} else
+		s.setCryptEnabled(false);
+}