extracted clientId from clientInfo to use it in the presence information later

shared/clientid.h

@@ -0,0 +1,45 @@
+// Squawk messenger. 
+// Copyright (C) 2019  Yury Gubich <blue@macaw.me>
+// 
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU 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 General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef SHARED_CLIENTID_H
+#define SHARED_CLIENTID_H
+
+#include <QString>
+#include <QDataStream>
+
+namespace Shared {
+
+class ClientId {
+public:
+    ClientId();
+
+    QString getId() const;
+
+    QDataStream& operator << (QDataStream& stream);
+    QDataStream& operator >> (QDataStream& stream) const;
+
+public:
+    QString node;
+    QString verification;
+    QString hash;
+};
+
+}
+
+QDataStream& operator << (QDataStream& stream, const Shared::ClientId& info);
+QDataStream& operator >> (QDataStream& stream, Shared::ClientId& info);
+
+#endif // SHARED_CLIENTID_H