aboutsummaryrefslogtreecommitdiffstats
path: root/src/zmq2edi/zmq2edi.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/zmq2edi/zmq2edi.cpp')
-rw-r--r--src/zmq2edi/zmq2edi.cpp419
1 files changed, 0 insertions, 419 deletions
diff --git a/src/zmq2edi/zmq2edi.cpp b/src/zmq2edi/zmq2edi.cpp
deleted file mode 100644
index 63c3228..0000000
--- a/src/zmq2edi/zmq2edi.cpp
+++ /dev/null
@@ -1,419 +0,0 @@
-/*
- Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
- 2011, 2012 Her Majesty the Queen in Right of Canada (Communications
- Research Center Canada)
-
- Copyright (C) 2018
- Matthias P. Braendli, matthias.braendli@mpb.li
-
- http://www.opendigitalradio.org
- */
-/*
- This file is part of ODR-DabMux.
-
- ODR-DabMux 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-DabMux 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-DabMux. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "Log.h"
-#include "zmq.hpp"
-#include <math.h>
-#include <getopt.h>
-#include <string.h>
-#include <iostream>
-#include <iterator>
-#include <vector>
-
-#include "EDISender.h"
-#include "dabOutput/dabOutput.h"
-
-constexpr size_t MAX_ERROR_COUNT = 10;
-constexpr long ZMQ_TIMEOUT_MS = 1000;
-
-static edi_configuration_t edi_conf;
-
-static EDISender edisender;
-
-void usage(void)
-{
- using namespace std;
-
- cerr << "Usage:" << endl;
- cerr << "odr-zmq2edi [options] <source>" << endl << endl;
-
- cerr << "Options:" << endl;
- cerr << "The following options can be given only once:" << endl;
- cerr << " <source> is a ZMQ URL that points to a ODR-DabMux ZMQ output." << endl;
- cerr << " -w <delay> Keep every ETI frame until TIST is <delay> milliseconds after current system time." << endl;
- cerr << " -W <max_delay> Drop ETI frames if TIST is <max_delay> later than current system time." << endl;
- cerr << " -p <destination port> sets the destination port." << endl;
- cerr << " -P Disable PFT and send AFPackets." << endl;
- cerr << " -f <fec> sets the FEC." << endl;
- cerr << " -i <interleave> enables the interleaved with this latency." << endl;
- cerr << " -D dumps the EDI to edi.debug file." << endl;
- cerr << " -v Enables verbose mode." << endl;
- cerr << " -a <tagpacket alignement> sets the alignment of the TAG Packet (default 8)." << endl << endl;
-
- cerr << "The following options can be given several times, when more than once destination is addressed:" << endl;
- cerr << " -d <destination ip> sets the destination ip." << endl;
- cerr << " -s <source port> sets the source port." << endl;
- cerr << " -S <source ip> select the source IP in case we want to use multicast." << endl;
- cerr << " -t <ttl> set the packet's TTL." << endl << endl;
-
- cerr << "odr-zmq2edi will quit if it does not receive data for " <<
- (int)(MAX_ERROR_COUNT * ZMQ_TIMEOUT_MS / 1000.0) << " seconds." << endl;
- cerr << "It is best practice to run this tool under a process supervisor that will restart it automatically." << endl;
-}
-
-static metadata_t get_md_one_frame(uint8_t *buf, size_t size, size_t *consumed_bytes)
-{
- size_t remaining = size;
- if (remaining < 3) {
- etiLog.level(warn) << "Insufficient data to parse metadata";
- throw std::runtime_error("Insufficient data");
- }
-
- metadata_t md;
- bool utc_offset_received = false;
- bool edi_time_received = false;
- bool dlfc_received = false;
-
- while (remaining) {
- uint8_t id = buf[0];
- uint16_t len = (((uint16_t)buf[1]) << 8) + buf[2];
-
- if (id == static_cast<uint8_t>(output_metadata_id_e::separation_marker)) {
- if (len != 0) {
- etiLog.level(warn) << "Invalid length " << len << " for metadata: separation_marker";
- }
-
- if (not utc_offset_received or not edi_time_received or not dlfc_received) {
- throw std::runtime_error("Incomplete metadata received");
- }
-
- remaining -= 3;
- *consumed_bytes = size - remaining;
- return md;
- }
- else if (id == static_cast<uint8_t>(output_metadata_id_e::utc_offset)) {
- if (len != 2) {
- etiLog.level(warn) << "Invalid length " << len << " for metadata: utc_offset";
- }
- if (remaining < 2) {
- throw std::runtime_error("Insufficient data for utc_offset");
- }
- uint16_t utco;
- std::memcpy(&utco, buf + 3, sizeof(utco));
- md.utc_offset = ntohs(utco);
- utc_offset_received = true;
- remaining -= 5;
- buf += 5;
- }
- else if (id == static_cast<uint8_t>(output_metadata_id_e::edi_time)) {
- if (len != 4) {
- etiLog.level(warn) << "Invalid length " << len << " for metadata: edi_time";
- }
- if (remaining < 4) {
- throw std::runtime_error("Insufficient data for edi_time");
- }
- uint32_t edi_time;
- std::memcpy(&edi_time, buf + 3, sizeof(edi_time));
- md.edi_time = ntohl(edi_time);
- edi_time_received = true;
- remaining -= 7;
- buf += 7;
- }
- else if (id == static_cast<uint8_t>(output_metadata_id_e::dlfc)) {
- if (len != 2) {
- etiLog.level(warn) << "Invalid length " << len << " for metadata: dlfc";
- }
- if (remaining < 2) {
- throw std::runtime_error("Insufficient data for dlfc");
- }
- uint16_t dlfc;
- std::memcpy(&dlfc, buf + 3, sizeof(dlfc));
- md.dlfc = ntohs(dlfc);
- dlfc_received = true;
- remaining -= 5;
- buf += 5;
- }
- }
-
- throw std::runtime_error("Insufficient data");
-}
-
-/* There is some state inside the parsing of destination arguments,
- * because several destinations can be given. */
-
-static edi_destination_t edi_destination;
-static bool source_port_set = false;
-static bool source_addr_set = false;
-static bool ttl_set = false;
-static bool dest_addr_set = false;
-
-static void add_edi_destination(void)
-{
- if (not dest_addr_set) {
- throw std::runtime_error("Destination address not specified for destination number " +
- std::to_string(edi_conf.destinations.size() + 1));
- }
-
- edi_conf.destinations.push_back(edi_destination);
- edi_destination_t newdest;
- edi_destination = newdest;
-
- source_port_set = false;
- source_addr_set = false;
- ttl_set = false;
- dest_addr_set = false;
-}
-
-static void parse_destination_args(char option)
-{
- switch (option) {
- case 's':
- if (source_port_set) {
- add_edi_destination();
- }
- edi_destination.source_port = std::stoi(optarg);
- source_port_set = true;
- break;
- case 'S':
- if (source_addr_set) {
- add_edi_destination();
- }
- edi_destination.source_addr = optarg;
- source_addr_set = true;
- break;
- case 't':
- if (ttl_set) {
- add_edi_destination();
- }
- edi_destination.ttl = std::stoi(optarg);
- ttl_set = true;
- break;
- case 'd':
- if (dest_addr_set) {
- add_edi_destination();
- }
- edi_destination.dest_addr = optarg;
- dest_addr_set = true;
- break;
- default:
- throw std::logic_error("parse_destination_args invalid");
- }
-}
-
-int start(int argc, char **argv)
-{
- edi_conf.enable_pft = true;
-
- if (argc == 0) {
- usage();
- return 1;
- }
-
- int delay_ms = 500;
- int max_delay_ms = 0; // no max delay
-
- int ch = 0;
- while (ch != -1) {
- ch = getopt(argc, argv, "d:p:s:S:t:Pf:i:Dva:w:W:");
- switch (ch) {
- case -1:
- break;
- case 'd':
- case 's':
- case 'S':
- case 't':
- parse_destination_args(ch);
- break;
- case 'p':
- edi_conf.dest_port = std::stoi(optarg);
- break;
- case 'P':
- edi_conf.enable_pft = false;
- break;
- case 'f':
- edi_conf.fec = std::stoi(optarg);
- break;
- case 'i':
- {
- double interleave_ms = std::stod(optarg);
- if (interleave_ms != 0.0) {
- if (interleave_ms < 0) {
- throw std::runtime_error("EDI output: negative interleave value is invalid.");
- }
-
- auto latency_rounded = lround(interleave_ms / 24.0);
- if (latency_rounded * 24 > 30000) {
- throw std::runtime_error("EDI output: interleaving set for more than 30 seconds!");
- }
-
- edi_conf.latency_frames = latency_rounded;
- }
- }
- break;
- case 'D':
- edi_conf.dump = true;
- break;
- case 'v':
- edi_conf.verbose = true;
- break;
- case 'a':
- edi_conf.tagpacket_alignment = std::stoi(optarg);
- break;
- case 'w':
- delay_ms = std::stoi(optarg);
- break;
- case 'W':
- max_delay_ms = std::stoi(optarg);
- break;
- case 'h':
- default:
- usage();
- return 1;
- }
- }
-
- add_edi_destination();
-
- if (optind >= argc) {
- etiLog.level(error) << "source option is missing";
- return 1;
- }
-
- if (edi_conf.dest_port == 0) {
- etiLog.level(error) << "No EDI destination port defined";
- return 1;
- }
-
- if (edi_conf.destinations.empty()) {
- etiLog.level(error) << "No EDI destinations set";
- return 1;
- }
-
- if (max_delay_ms > 0) {
- etiLog.level(info) << "Setting up EDI Sender with delay " << delay_ms << " ms and max delay " << max_delay_ms << " ms";
- }
- else {
- etiLog.level(info) << "Setting up EDI Sender with delay " << delay_ms << " ms";
- }
- edisender.start(edi_conf, delay_ms, max_delay_ms);
- edisender.print_configuration();
-
- const char* source_url = argv[optind];
-
-
- size_t frame_count = 0;
- size_t error_count = 0;
-
- etiLog.level(info) << "Opening ZMQ input: " << source_url;
-
- zmq::context_t zmq_ctx(1);
- zmq::socket_t zmq_sock(zmq_ctx, ZMQ_SUB);
- zmq_sock.connect(source_url);
- zmq_sock.setsockopt(ZMQ_SUBSCRIBE, NULL, 0); // subscribe to all messages
-
- while (error_count < MAX_ERROR_COUNT) {
- zmq::message_t incoming;
- zmq::pollitem_t items[1];
- items[0].socket = zmq_sock;
- items[0].events = ZMQ_POLLIN;
- const int num_events = zmq::poll(items, 1, ZMQ_TIMEOUT_MS);
- if (num_events == 0) { // timeout
- error_count++;
- }
- else {
- // Event received: recv will not block
- zmq_sock.recv(&incoming);
-
- zmq_dab_message_t* dab_msg = (zmq_dab_message_t*)incoming.data();
-
- if (dab_msg->version != 1) {
- etiLog.level(error) << "ZeroMQ wrong packet version " << dab_msg->version;
- error_count++;
- }
-
- int offset = sizeof(dab_msg->version) +
- NUM_FRAMES_PER_ZMQ_MESSAGE * sizeof(*dab_msg->buflen);
-
- std::list<std::pair<std::vector<uint8_t>, metadata_t> > all_frames;
-
- for (int i = 0; i < NUM_FRAMES_PER_ZMQ_MESSAGE; i++) {
- if (dab_msg->buflen[i] <= 0 or dab_msg->buflen[i] > 6144) {
- etiLog.level(error) << "ZeroMQ buffer " << i <<
- " has invalid length " << dab_msg->buflen[i];
- error_count++;
- }
- else {
- std::vector<uint8_t> buf(6144, 0x55);
-
- const int framesize = dab_msg->buflen[i];
-
- memcpy(&buf.front(),
- ((uint8_t*)incoming.data()) + offset,
- framesize);
-
- all_frames.emplace_back(
- std::piecewise_construct,
- std::make_tuple(std::move(buf)),
- std::make_tuple());
-
- offset += framesize;
- }
- }
-
- for (auto &f : all_frames) {
- size_t consumed_bytes = 0;
-
- f.second = get_md_one_frame(
- static_cast<uint8_t*>(incoming.data()) + offset,
- incoming.size() - offset,
- &consumed_bytes);
-
- offset += consumed_bytes;
- }
-
- for (auto &f : all_frames) {
- edisender.push_frame(f);
- frame_count++;
- }
- }
- }
-
- etiLog.level(info) << "Quitting after " << frame_count << " frames transferred";
-
- return 0;
-}
-
-int main(int argc, char **argv)
-{
- etiLog.level(info) << "ZMQ2EDI converter from " <<
- PACKAGE_NAME << " " <<
-#if defined(GITVERSION)
- GITVERSION <<
-#else
- PACKAGE_VERSION <<
-#endif
- " starting up";
-
- try {
- return start(argc, argv);
- }
- catch (std::runtime_error &e) {
- etiLog.level(error) << "Error: " << e.what();
- }
-
- return 1;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-18 07:39:53 +0000