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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/>.
//
#ifndef INCLUDED_LIBUHD_RFNOC_UTILS_HPP
#define INCLUDED_LIBUHD_RFNOC_UTILS_HPP
#include <uhd/rfnoc/node_ctrl_base.hpp>
#include <boost/lexical_cast.hpp>
#include <set>
namespace uhd { namespace rfnoc { namespace utils {
/*! If \p suggested_port equals ANY_PORT, return the first available
* port number on \p nodes. Otherwise, return \p suggested_port.
*
* If \p allowed_ports is given, another condition is that the port
* number must be listed in here.
* If \p allowed_ports is not specified or empty, the assumption is
* that all ports are valid.
*
* On failure, ANY_PORT is returned.
*/
static size_t node_map_find_first_free(
node_ctrl_base::node_map_t nodes,
const size_t suggested_port,
const std::set<size_t> allowed_ports=std::set<size_t>()
) {
size_t port = suggested_port;
if (port == ANY_PORT) {
if (allowed_ports.empty()) {
port = 0;
while (nodes.count(port) and (port != ANY_PORT)) {
port++;
}
} else {
BOOST_FOREACH(const size_t allowed_port, allowed_ports) {
if (not nodes.count(port)) {
return allowed_port;
}
return ANY_PORT;
}
}
} else {
if (not (allowed_ports.empty() or allowed_ports.count(port))) {
return ANY_PORT;
}
}
return port;
}
template <typename T>
static std::set<T> str_list_to_set(const std::vector<std::string> &list) {
std::set<T> return_set;
BOOST_FOREACH(const std::string &S, list) {
return_set.insert(boost::lexical_cast<T>(S));
}
return return_set;
}
}}}; /* namespace uhd::rfnoc::utils */
#endif /* INCLUDED_LIBUHD_RFNOC_UTILS_HPP */
// vim: sw=4 et:
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