Merge commit 'v3.3.0' into upstream

[debian/gnuradio] / gnuradio-core / src / lib / runtime / gr_msg_accepter.cc

diff --git a/gnuradio-core/src/lib/runtime/gr_msg_accepter.cc b/gnuradio-core/src/lib/runtime/gr_msg_accepter.cc
new file mode 100644 (file)
index 0000000..89876ae
--- /dev/null
+++ b/gnuradio-core/src/lib/runtime/gr_msg_accepter.cc
@@ -0,0 +1,59 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2009 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio 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, or (at your option)
+ * any later version.
+ * 
+ * GNU Radio 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gr_msg_accepter.h>
+#include <gr_block.h>
+#include <gr_block_detail.h>
+#include <gr_hier_block2.h>
+#include <stdexcept>
+
+using namespace pmt;
+
+gr_msg_accepter::gr_msg_accepter()
+{
+}
+
+gr_msg_accepter::~gr_msg_accepter()
+{
+  // NOP, required as virtual destructor
+}
+
+void
+gr_msg_accepter::post(pmt_t msg)
+{
+  // Notify derived class, handled case by case
+  gr_block *p = dynamic_cast<gr_block *>(this);
+  if (p) { 
+    p->detail()->_post(msg);
+    return;
+  }
+  gr_hier_block2 *p2 = dynamic_cast<gr_hier_block2 *>(this);
+  if (p2){
+    // FIXME do the right thing
+    return;
+  }
+
+  throw std::runtime_error("unknown derived class");
+}