1 files changed, 103 insertions, 0 deletions
diff --git a/host/lib/rfnoc/node_ctrl_base.cpp b/host/lib/rfnoc/node_ctrl_base.cpp
new file mode 100644
index 000000000..6e19d276a
--- /dev/null
+++ b/host/lib/rfnoc/node_ctrl_base.cpp
@@ -0,0 +1,103 @@
+//
+// Copyright 2014 Ettus Research LLC
+//
+// 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/>.
+//
+
+#include <uhd/rfnoc/node_ctrl_base.hpp>
+#include <uhd/utils/msg.hpp>
+
+using namespace uhd::rfnoc;
+
+std::string node_ctrl_base::unique_id() const
+{
+    // Most instantiations will override this, so we don't need anything
+    // more elegant here.
+    return str(boost::format("%08X") % size_t(this));
+}
+
+void node_ctrl_base::clear()
+{
+    UHD_RFNOC_BLOCK_TRACE() << "node_ctrl_base::clear() " << std::endl;
+    // Reset connections:
+    _upstream_nodes.clear();
+    _downstream_nodes.clear();
+}
+
+void node_ctrl_base::_register_downstream_node(
+    node_ctrl_base::sptr,
+    size_t
+) {
+    throw uhd::runtime_error("Attempting to register a downstream block on a non-source node.");
+}
+
+void node_ctrl_base::_register_upstream_node(
+    node_ctrl_base::sptr,
+    size_t
+) {
+    throw uhd::runtime_error("Attempting to register an upstream block on a non-sink node.");
+}
+
+void node_ctrl_base::set_downstream_port(
+        const size_t this_port,
+        const size_t remote_port
+) {
+    if (not _downstream_nodes.count(this_port) and remote_port != ANY_PORT) {
+        throw uhd::value_error(str(
+            boost::format("[%s] Cannot set remote downstream port: Port %d not connected.")
+            % unique_id() % this_port
+        ));
+    }
+    _downstream_ports[this_port] = remote_port;
+}
+
+size_t node_ctrl_base::get_downstream_port(const size_t this_port)
+{
+    if (not _downstream_ports.count(this_port)
+        or not _downstream_nodes.count(this_port)
+        or _downstream_ports[this_port] == ANY_PORT) {
+        throw uhd::value_error(str(
+            boost::format("[%s] Cannot retrieve remote downstream port: Port %d not connected.")
+            % unique_id() % this_port
+        ));
+    }
+    return _downstream_ports[this_port];
+}
+
+void node_ctrl_base::set_upstream_port(
+        const size_t this_port,
+        const size_t remote_port
+) {
+    if (not _upstream_nodes.count(this_port) and remote_port != ANY_PORT) {
+        throw uhd::value_error(str(
+            boost::format("[%s] Cannot set remote upstream port: Port %d not connected.")
+            % unique_id() % this_port
+        ));
+    }
+    _upstream_ports[this_port] = remote_port;
+}
+
+size_t node_ctrl_base::get_upstream_port(const size_t this_port)
+{
+    if (not _upstream_ports.count(this_port)
+        or not _upstream_nodes.count(this_port)
+        or _upstream_ports[this_port] == ANY_PORT) {
+        throw uhd::value_error(str(
+            boost::format("[%s] Cannot retrieve remote upstream port: Port %d not connected.")
+            % unique_id() % this_port
+        ));
+    }
+    return _upstream_ports[this_port];
+}
+