diff options
Diffstat (limited to 'host/lib/transport')
-rw-r--r-- | host/lib/transport/udp.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/host/lib/transport/udp.cpp b/host/lib/transport/udp.cpp new file mode 100644 index 000000000..06defb107 --- /dev/null +++ b/host/lib/transport/udp.cpp @@ -0,0 +1,67 @@ +// +// Copyright 2010 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/transport/udp.hpp> +#include <boost/format.hpp> +#include <boost/assign/list_of.hpp> +#include <iostream> + +uhd::transport::udp::udp(const std::string &addr, const std::string &port, bool bcast){ + //std::cout << boost::format("Creating udp transport for %s %s") % addr % port << std::endl; + + // resolve the address + boost::asio::ip::udp::resolver resolver(_io_service); + boost::asio::ip::udp::resolver::query query(boost::asio::ip::udp::v4(), addr, port); + _receiver_endpoint = *resolver.resolve(query); + + // Create and open the socket + _socket = new boost::asio::ip::udp::socket(_io_service); + _socket->open(boost::asio::ip::udp::v4()); + + if (bcast){ + // Allow broadcasting + boost::asio::socket_base::broadcast option(true); + _socket->set_option(option); + } + +} + +uhd::transport::udp::~udp(void){ + delete _socket; +} + +void uhd::transport::udp::send(const std::vector<boost::asio::const_buffer> &buffs){ + _socket->send_to(buffs, _receiver_endpoint); +} + +void uhd::transport::udp::send(const boost::asio::const_buffer &buff){ + std::vector<boost::asio::const_buffer> buffs = boost::assign::list_of(buff); + send(buffs); +} + +uhd::shared_iovec uhd::transport::udp::recv(void){ + //allocate a buffer for the number of bytes available (could be zero) + uhd::shared_iovec iov(_socket->available()); + //call recv only if data is available + if (iov.len != 0){ + _socket->receive_from( + boost::asio::buffer(iov.base, iov.len), + _sender_endpoint + ); + } + return iov; +} |