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-rw-r--r--host/lib/transport/udp.cpp67
1 files changed, 67 insertions, 0 deletions
diff --git a/host/lib/transport/udp.cpp b/host/lib/transport/udp.cpp
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+++ b/host/lib/transport/udp.cpp
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+//
+// 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;
+}