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authorMatthias P. Braendli <matthias.braendli@mpb.li>2016-12-25 23:53:51 +0100
committerMatthias P. Braendli <matthias.braendli@mpb.li>2016-12-25 23:53:51 +0100
commitfd6d695275f88e83ebba6fa39afc044e329a690f (patch)
tree38ac7b49407970cb3c0b2b66972653a37d0d1fd5 /src/InputEdiReader.cpp
parenteaf1c41bde2b58446697360af454266c4dc594a4 (diff)
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Add first version of EDI input
Diffstat (limited to 'src/InputEdiReader.cpp')
-rw-r--r--src/InputEdiReader.cpp99
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);
+}
+