diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2013-03-11 23:43:28 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2013-03-13 12:51:05 -0400 |
| commit | b2c2058921198e49e82301e32733b2da041521b1 (patch) | |
| tree | 12abfea4c2f3fa974822f4fe1aa3a8c67abf2fcb /gr-blocks/include | |
| parent | 45f9c0a5792526279ebf5ffa6a4853c7e2de6dd6 (diff) | |
blocks: udp_sink and udp_source implemented in gr-blocks using boost::asio instead of sockets.
Needs testing on non-Linux OSes.
Diffstat (limited to 'gr-blocks/include')
| -rw-r--r-- | gr-blocks/include/blocks/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | gr-blocks/include/blocks/udp_sink.h | 81 |
2 files changed, 83 insertions, 0 deletions
diff --git a/gr-blocks/include/blocks/CMakeLists.txt b/gr-blocks/include/blocks/CMakeLists.txt index 16df3cac1a..111feef4f1 100644 --- a/gr-blocks/include/blocks/CMakeLists.txt +++ b/gr-blocks/include/blocks/CMakeLists.txt @@ -177,6 +177,8 @@ install(FILES transcendental.h tuntap_pdu.h uchar_to_float.h + udp_sink.h + udp_source.h unpack_k_bits_bb.h vco_f.h vector_to_stream.h diff --git a/gr-blocks/include/blocks/udp_sink.h b/gr-blocks/include/blocks/udp_sink.h new file mode 100644 index 0000000000..69c5f0ffae --- /dev/null +++ b/gr-blocks/include/blocks/udp_sink.h @@ -0,0 +1,81 @@ +/* -*- c++ -*- */ +/* + * Copyright 2007-2010,2013 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * GNU Radio 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, or (at your option) + * any later version. + * + * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, + * Boston, MA 02110-1301, USA. + */ + +#ifndef INCLUDED_GR_UDP_SINK_H +#define INCLUDED_GR_UDP_SINK_H + +#include <blocks/api.h> +#include <gr_sync_block.h> + +namespace gr { + namespace blocks { + + /*! + * \brief Write stream to an UDP socket. + * \ingroup sink_blk + */ + class BLOCKS_API udp_sink : virtual public gr_sync_block + { + public: + // gr::blocks::udp_sink::sptr + typedef boost::shared_ptr<udp_sink> sptr; + + /*! + * \brief UDP Sink Constructor + * + * \param itemsize The size (in bytes) of the item datatype + * \param host The name or IP address of the receiving host; use + * NULL or None for no connection + * \param port Destination port to connect to on receiving host + * \param payload_size UDP payload size by default set to + * 1472 = (1500 MTU - (8 byte UDP header) - (20 byte IP header)) + * \param eof Send zero-length packet on disconnect + */ + static sptr make(size_t itemsize, + const std::string &host, int port, + int payload_size=1472, bool eof=true); + + /*! \brief return the PAYLOAD_SIZE of the socket */ + virtual int payload_size() = 0; + + /*! \brief Change the connection to a new destination + * + * \param host The name or IP address of the receiving host; use + * NULL or None to break the connection without closing + * \param port Destination port to connect to on receiving host + * + * Calls disconnect() to terminate any current connection first. + */ + virtual void connect(const std::string &host, int port) = 0; + + /*! \brief Send zero-length packet (if eof is requested) then stop sending + * + * Zero-byte packets can be interpreted as EOF by gr_udp_source. + * Note that disconnect occurs automatically when the sink is + * destroyed, but not when its top_block stops.*/ + virtual void disconnect() = 0; + }; + + } /* namespace blocks */ +} /* namespace gr */ + +#endif /* INCLUDED_GR_UDP_SINK_H */ |