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//
// 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>
#include <boost/range/adaptor/map.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];
}
void node_ctrl_base::disconnect()
{
// Notify neighbours:
for (node_map_t::iterator i = _downstream_nodes.begin(); i != _downstream_nodes.end(); ++i) {
sptr downstream_node = i->second.lock();
if (not downstream_node) {
// Actually this is not OK
continue;
}
downstream_node->disconnect_input_port(_downstream_ports[i->first]);
}
for (node_map_t::iterator i = _upstream_nodes.begin(); i != _upstream_nodes.end(); ++i) {
sptr upstream_node = i->second.lock();
if (not upstream_node) {
// Actually this is not OK
continue;
}
upstream_node->disconnect_output_port(_upstream_ports[i->first]);
}
// Clear own maps:
_downstream_nodes.clear();
_downstream_ports.clear();
_upstream_nodes.clear();
_upstream_ports.clear();
}
void node_ctrl_base::disconnect_output_port(const size_t output_port)
{
if (_downstream_nodes.count(output_port) == 0 or
_downstream_ports.count(output_port) == 0) {
throw uhd::assertion_error(str(boost::format("[%s] Attempting to disconnect output port %u, which is not registered as connected!") % unique_id() % output_port));
}
_downstream_nodes.erase(output_port);
_downstream_ports.erase(output_port);
}
void node_ctrl_base::disconnect_input_port(const size_t input_port)
{
if (_upstream_nodes.count(input_port) == 0 or
_upstream_ports.count(input_port) == 0) {
throw uhd::assertion_error(str(boost::format("[%s] Attempting to disconnect input port %u, which is not registered as connected!") % unique_id() % input_port));
}
_upstream_nodes.erase(input_port);
_upstream_ports.erase(input_port);
}
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