1 files changed, 131 insertions, 0 deletions
diff --git a/gnuradio-core/src/lib/runtime/gr_block.cc b/gnuradio-core/src/lib/runtime/gr_block.cc
new file mode 100644
index 0000000000..8378c8f7de
--- /dev/null
+++ b/gnuradio-core/src/lib/runtime/gr_block.cc
@@ -0,0 +1,131 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004 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 2, 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 GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gr_block.h>
+#include <gr_block_detail.h>
+#include <stdexcept>
+
+static long s_next_id = 0;
+static long s_ncurrently_allocated = 0;
+
+long
+gr_block_ncurrently_allocated ()
+{
+  return s_ncurrently_allocated;
+}
+
+gr_block::gr_block (const std::string &name,
+		    gr_io_signature_sptr input_signature,
+		    gr_io_signature_sptr output_signature)
+  : d_name (name),
+    d_input_signature (input_signature),
+    d_output_signature (output_signature),
+    d_output_multiple (1),
+    d_relative_rate (1.0),
+    d_unique_id (s_next_id++),
+    d_history(1),
+    d_fixed_rate(false)
+{
+  s_ncurrently_allocated++;
+}
+  
+gr_block::~gr_block ()
+{
+  s_ncurrently_allocated--;
+}
+
+// stub implementation:  1:1
+
+void
+gr_block::forecast (int noutput_items, gr_vector_int &ninput_items_required)
+{
+  unsigned ninputs = ninput_items_required.size ();
+  for (unsigned i = 0; i < ninputs; i++)
+    ninput_items_required[i] = noutput_items;
+}
+
+// default implementation
+
+bool
+gr_block::check_topology (int ninputs, int noutputs)
+{
+  return true;
+}
+
+bool
+gr_block::start()
+{
+  return true;
+}
+
+bool
+gr_block::stop()
+{
+  return true;
+}
+
+void
+gr_block::set_output_multiple (int multiple)
+{
+  if (multiple < 1)
+    throw std::invalid_argument ("gr_block::set_output_multiple");
+
+  d_output_multiple = multiple;
+}
+
+void
+gr_block::set_relative_rate (double relative_rate)
+{
+  if (relative_rate < 0.0)
+    throw std::invalid_argument ("gr_block::set_relative_rate");
+  
+  d_relative_rate = relative_rate;
+}
+
+
+void
+gr_block::consume (int which_input, int how_many_items)
+{
+  d_detail->consume (which_input, how_many_items);
+}
+
+void
+gr_block::consume_each (int how_many_items)
+{
+  d_detail->consume_each (how_many_items);
+}
+
+int
+gr_block::fixed_rate_ninput_to_noutput(int ninput)
+{
+  throw std::runtime_error("Unimplemented");
+}
+
+int
+gr_block::fixed_rate_noutput_to_ninput(int noutput)
+{
+  throw std::runtime_error("Unimplemented");
+}