Data pipes redesign

sdrbase/pipes/objectpipe.cpp

@@ -0,0 +1,47 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2022 Edouard Griffiths, F4EXB                                   //
+//                                                                               //
+// 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 as 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 V3 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/>.          //
+///////////////////////////////////////////////////////////////////////////////////
+
+#include "objectpipe.h"
+
+ObjectPipe::ObjectPipe() :
+    m_pipeId(0),
+    m_typeId(0),
+    m_producer(nullptr),
+    m_consumer(nullptr),
+    m_element(nullptr),
+    m_gcCount(0)
+{}
+
+void ObjectPipe::setToBeDeleted(int reason)
+{
+    m_gcCount = 2; // will defer actual deletion by one GC pass
+    emit toBeDeleted(reason);
+}
+
+int ObjectPipe::getGCCount() const {
+    return m_gcCount;
+}
+
+int ObjectPipe::decreaseGCCount()
+{
+    if (m_gcCount > 0) {
+        return m_gcCount--;
+    } else {
+        return m_gcCount;
+    }
+}
+