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authorMatthias P. Braendli <matthias.braendli@mpb.li>2021-01-15 08:22:09 +0100
committerMatthias P. Braendli <matthias.braendli@mpb.li>2021-01-15 08:22:09 +0100
commitc7869f8a51d772ad0654df19741ead8bfe50acfe (patch)
tree1c5b45cb64d15224ba3762a1d932570653bbce3d /contrib/edi/Transport.cpp
parentac13498dc219c74d8214a314d0341574ada0ceb3 (diff)
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Common 6b5db53: Update zmq.hpp, TCPReceiveServer, EDI decoder and output
Diffstat (limited to 'contrib/edi/Transport.cpp')
-rw-r--r--contrib/edi/Transport.cpp202
1 files changed, 0 insertions, 202 deletions
diff --git a/contrib/edi/Transport.cpp b/contrib/edi/Transport.cpp
deleted file mode 100644
index fa7588a..0000000
--- a/contrib/edi/Transport.cpp
+++ /dev/null
@@ -1,202 +0,0 @@
-/*
- Copyright (C) 2020
- Matthias P. Braendli, matthias.braendli@mpb.li
-
- http://www.opendigitalradio.org
-
- EDI output,
- UDP and TCP transports and their configuration
-
- */
-/*
- This file is part of the ODR-mmbTools.
-
- 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 "Transport.h"
-#include <iterator>
-#include <cmath>
-
-using namespace std;
-
-namespace edi {
-
-void configuration_t::print() const
-{
- etiLog.level(info) << "EDI Output";
- etiLog.level(info) << " verbose " << verbose;
- for (auto edi_dest : destinations) {
- if (auto udp_dest = dynamic_pointer_cast<edi::udp_destination_t>(edi_dest)) {
- etiLog.level(info) << " UDP to " << udp_dest->dest_addr << ":" << dest_port;
- if (not udp_dest->source_addr.empty()) {
- etiLog.level(info) << " source " << udp_dest->source_addr;
- etiLog.level(info) << " ttl " << udp_dest->ttl;
- }
- etiLog.level(info) << " source port " << udp_dest->source_port;
- }
- else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_server_t>(edi_dest)) {
- etiLog.level(info) << " TCP listening on port " << tcp_dest->listen_port;
- etiLog.level(info) << " max frames queued " << tcp_dest->max_frames_queued;
- }
- else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_client_t>(edi_dest)) {
- etiLog.level(info) << " TCP client connecting to " << tcp_dest->dest_addr << ":" << tcp_dest->dest_port;
- etiLog.level(info) << " max frames queued " << tcp_dest->max_frames_queued;
- }
- else {
- throw logic_error("EDI destination not implemented");
- }
- }
- if (interleaver_enabled()) {
- etiLog.level(info) << " interleave " << latency_frames * 24 << " ms";
- }
-}
-
-
-Sender::Sender(const configuration_t& conf) :
- m_conf(conf),
- edi_pft(m_conf)
-{
- if (m_conf.verbose) {
- etiLog.log(info, "Setup EDI Output");
- }
-
- for (const auto& edi_dest : m_conf.destinations) {
- if (const auto udp_dest = dynamic_pointer_cast<edi::udp_destination_t>(edi_dest)) {
- auto udp_socket = std::make_shared<Socket::UDPSocket>(udp_dest->source_port);
-
- if (not udp_dest->source_addr.empty()) {
- udp_socket->setMulticastSource(udp_dest->source_addr.c_str());
- udp_socket->setMulticastTTL(udp_dest->ttl);
- }
-
- udp_sockets.emplace(udp_dest.get(), udp_socket);
- }
- else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_server_t>(edi_dest)) {
- auto dispatcher = make_shared<Socket::TCPDataDispatcher>(tcp_dest->max_frames_queued);
- dispatcher->start(tcp_dest->listen_port, "0.0.0.0");
- tcp_dispatchers.emplace(tcp_dest.get(), dispatcher);
- }
- else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_client_t>(edi_dest)) {
- auto tcp_send_client = make_shared<Socket::TCPSendClient>(tcp_dest->dest_addr, tcp_dest->dest_port);
- tcp_senders.emplace(tcp_dest.get(), tcp_send_client);
- }
- else {
- throw logic_error("EDI destination not implemented");
- }
- }
-
- if (m_conf.interleaver_enabled()) {
- edi_interleaver.SetLatency(m_conf.latency_frames);
- }
-
- if (m_conf.dump) {
- edi_debug_file.open("./edi.debug");
- }
-
- if (m_conf.verbose) {
- etiLog.log(info, "EDI output set up");
- }
-}
-
-void Sender::write(const TagPacket& tagpacket)
-{
- // Assemble into one AF Packet
- edi::AFPacket af_packet = edi_afPacketiser.Assemble(tagpacket);
-
- if (m_conf.enable_pft) {
- // Apply PFT layer to AF Packet (Reed Solomon FEC and Fragmentation)
- vector<edi::PFTFragment> edi_fragments = edi_pft.Assemble(af_packet);
-
- if (m_conf.verbose) {
- fprintf(stderr, "EDI Output: Number of PFT fragment before interleaver %zu\n",
- edi_fragments.size());
- }
-
- if (m_conf.interleaver_enabled()) {
- edi_fragments = edi_interleaver.Interleave(edi_fragments);
- }
-
- if (m_conf.verbose) {
- fprintf(stderr, "EDI Output: Number of PFT fragments %zu\n",
- edi_fragments.size());
- }
-
- /* Spread out the transmission of all fragments over 75% of the 24ms AF packet duration
- * to reduce the risk of losing fragments because of congestion.
- *
- * 75% was chosen so that other outputs still have time to do their thing. */
- const auto inter_fragment_wait_time = std::chrono::microseconds(llrint(0.75 * 24000.0 / edi_fragments.size()));
-
- // Send over ethernet
- for (auto& edi_frag : edi_fragments) {
- if (m_conf.dump) {
- ostream_iterator<uint8_t> debug_iterator(edi_debug_file);
- copy(edi_frag.begin(), edi_frag.end(), debug_iterator);
- }
-
- for (auto& dest : m_conf.destinations) {
- if (const auto& udp_dest = dynamic_pointer_cast<edi::udp_destination_t>(dest)) {
- Socket::InetAddress addr;
- addr.resolveUdpDestination(udp_dest->dest_addr, m_conf.dest_port);
-
- udp_sockets.at(udp_dest.get())->send(edi_frag, addr);
- }
- else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_server_t>(dest)) {
- tcp_dispatchers.at(tcp_dest.get())->write(edi_frag);
- }
- else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_client_t>(dest)) {
- tcp_senders.at(tcp_dest.get())->sendall(edi_frag);
- }
- else {
- throw logic_error("EDI destination not implemented");
- }
- }
-
- std::this_thread::sleep_for(inter_fragment_wait_time);
- }
- }
- else {
- // Send over ethernet
- if (m_conf.dump) {
- ostream_iterator<uint8_t> debug_iterator(edi_debug_file);
- copy(af_packet.begin(), af_packet.end(), debug_iterator);
- }
-
- for (auto& dest : m_conf.destinations) {
- if (const auto& udp_dest = dynamic_pointer_cast<edi::udp_destination_t>(dest)) {
- Socket::InetAddress addr;
- addr.resolveUdpDestination(udp_dest->dest_addr, m_conf.dest_port);
-
- if (af_packet.size() > 1400 and not m_udp_fragmentation_warning_printed) {
- fprintf(stderr, "EDI Output: AF packet larger than 1400,"
- " consider using PFT to avoid UP fragmentation.\n");
- m_udp_fragmentation_warning_printed = true;
- }
-
- udp_sockets.at(udp_dest.get())->send(af_packet, addr);
- }
- else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_server_t>(dest)) {
- tcp_dispatchers.at(tcp_dest.get())->write(af_packet);
- }
- else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_client_t>(dest)) {
- tcp_senders.at(tcp_dest.get())->sendall(af_packet);
- }
- else {
- throw logic_error("EDI destination not implemented");
- }
- }
- }
-}
-
-}