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Diffstat (limited to 'src/InputEdiReader.cpp')
-rw-r--r-- | src/InputEdiReader.cpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/InputEdiReader.cpp b/src/InputEdiReader.cpp new file mode 100644 index 0000000..26cd91e --- /dev/null +++ b/src/InputEdiReader.cpp @@ -0,0 +1,99 @@ +/* + Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Her Majesty + the Queen in Right of Canada (Communications Research Center Canada) + + Copyright (C) 2016 + Matthias P. Braendli, matthias.braendli@mpb.li + + http://opendigitalradio.org + */ +/* + This file is part of ODR-DabMod. + + ODR-DabMod 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. + + ODR-DabMod 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 ODR-DabMod. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "InputReader.h" +#include "PcDebug.h" + +#include <stdexcept> +#include <memory> +#include <regex> +#include <sys/types.h> +#include <string.h> + +using namespace std; + +InputEdiReader::InputEdiReader() : + m_writer(), + m_decoder(m_writer), + m_sock() +{ +} + +int InputEdiReader::Open(const std::string& uri) +{ + etiLog.level(info) << "Opening EDI :" << uri; + + const std::regex re_udp("udp://:([0-9]+)"); + std::smatch m; + if (std::regex_match(uri, m, re_udp)) { + m_port = std::stoi(m[1].str()); + + etiLog.level(info) << "EDI port :" << m_port; + return m_sock.reinit(m_port, "0.0.0.0"); + } + + return 1; +} + +void InputEdiReader::rx_packet() +{ + const size_t packsize = 8192; + UdpPacket packet(packsize); + + int ret = m_sock.receive(packet); + if (ret == 0) { + const auto &buf = packet.getBuffer(); + if (packet.getSize() == packsize) { + fprintf(stderr, "Warning, possible UDP truncation\n"); + } + + m_decoder.push_packet(buf); + } + else { + fprintf(stderr, "Socket error: %s\n", inetErrMsg); + } +} + +int InputEdiReader::GetNextFrame(void* buffer) +{ + vector<uint8_t> eti; + while (eti.empty()) { + rx_packet(); + eti = m_writer.getEtiFrame(); + } + + assert(eti.size() == 6144); + copy(eti.begin(), eti.end(), reinterpret_cast<uint8_t*>(buffer)); + + return 6144; +} + +void InputEdiReader::PrintInfo() +{ + fprintf(stderr, "EDI Input: \n"); + fprintf(stderr, " Port : %d\n", m_port); +} + |