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-rw-r--r--src/ClockTAI.cpp562
-rw-r--r--src/ClockTAI.h102
-rw-r--r--src/Log.cpp143
-rw-r--r--src/Log.h157
-rw-r--r--src/RemoteControl.cpp595
-rw-r--r--src/RemoteControl.h263
-rw-r--r--src/crc.c266
-rw-r--r--src/crc.h59
8 files changed, 0 insertions, 2147 deletions
diff --git a/src/ClockTAI.cpp b/src/ClockTAI.cpp
deleted file mode 100644
index c376c07..0000000
--- a/src/ClockTAI.cpp
+++ /dev/null
@@ -1,562 +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) 2019
- 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/>.
-*/
-
-/* This file downloads the TAI-UTC bulletins from the from IETF and parses them
- * so that correct time can be communicated in EDI timestamps.
- *
- * This file contains self-test code that can be executed by running
- * g++ -g -Wall -DTEST -DHAVE_CURL -std=c++11 -lcurl -pthread \
- * ClockTAI.cpp Log.cpp RemoteControl.cpp -lboost_system -o taitest && ./taitest
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "ClockTAI.h"
-#include "Log.h"
-
-#include <time.h>
-#include <stdio.h>
-#include <errno.h>
-#if SUPPORT_SETTING_CLOCK_TAI
-# include <sys/timex.h>
-#endif
-#ifdef HAVE_CURL
-# include <curl/curl.h>
-#endif
-#include <array>
-#include <string>
-#include <iostream>
-#include <algorithm>
-#include <regex>
-
-using namespace std;
-
-#ifdef TEST
-static bool wait_longer = true;
-#endif
-
-constexpr int download_retry_interval_hours = 1;
-
-// Offset between NTP time and POSIX time:
-// timestamp_unix = timestamp_ntp - ntp_unix_offset
-const int64_t ntp_unix_offset = 2208988800L;
-
-// leap seconds insertion bulletin is available from the IETF and in the TZ
-// distribution
-static array<const char*, 2> default_tai_urls = {
- "https://www.ietf.org/timezones/data/leap-seconds.list",
- "https://raw.githubusercontent.com/eggert/tz/master/leap-seconds.list",
-};
-
-// According to the Filesystem Hierarchy Standard, the data in
-// /var/tmp "must not be deleted when the system is booted."
-static const char *tai_cache_location = "/var/tmp/odr-dabmux-leap-seconds.cache";
-
-// read TAI offset from a valid bulletin in IETF format
-static int parse_ietf_bulletin(const std::string& bulletin)
-{
- // Example Line:
- // 3692217600 37 # 1 Jan 2017
- //
- // NTP timestamp<TAB>leap seconds<TAB># some comment
- // The NTP timestamp starts at epoch 1.1.1900.
- // The difference between NTP timestamps and unix epoch is 70
- // years i.e. 2208988800 seconds
-
- std::regex regex_bulletin(R"(([0-9]+)\s+([0-9]+)\s+#.*)");
-
- time_t now = time(nullptr);
-
- int tai_utc_offset = 0;
-
- int tai_utc_offset_valid = false;
-
- stringstream ss(bulletin);
-
- /* We cannot just take the last line, because it might
- * be in the future, announcing an upcoming leap second.
- *
- * So we need to look at the current date, and compare it
- * with the date of the leap second.
- */
- for (string line; getline(ss, line); ) {
-
- std::smatch bulletin_entry;
-
- bool is_match = std::regex_search(line, bulletin_entry, regex_bulletin);
- if (is_match) {
- if (bulletin_entry.size() != 3) {
- throw runtime_error(
- "Incorrect number of matched TAI IETF bulletin entries");
- }
- const string bulletin_ntp_timestamp(bulletin_entry[1]);
- const string bulletin_offset(bulletin_entry[2]);
-
- const int64_t timestamp_unix =
- std::atoll(bulletin_ntp_timestamp.c_str()) - ntp_unix_offset;
-
- const int offset = std::atoi(bulletin_offset.c_str());
- // Ignore entries announcing leap seconds in the future
- if (timestamp_unix < now) {
- tai_utc_offset = offset;
- tai_utc_offset_valid = true;
- }
-#if TEST
- else {
- cerr << "IETF Ignoring offset " << bulletin_offset <<
- " at TS " << bulletin_ntp_timestamp <<
- " in the future" << endl;
- }
-#endif
- }
- }
-
- if (not tai_utc_offset_valid) {
- throw runtime_error("No data in TAI bulletin");
- }
-
- return tai_utc_offset;
-}
-
-
-struct bulletin_state {
- bool valid = false;
- int64_t expiry = 0;
- int offset = 0;
-
- bool usable() const { return valid and expiry > 0; }
-};
-
-static bulletin_state parse_bulletin(const string& bulletin)
-{
- // The bulletin contains one line that specifies an expiration date
- // in NTP time. If that point in time is in the future, we consider
- // the bulletin valid.
- //
- // The entry looks like this:
- //#@ 3707596800
-
- bulletin_state ret;
-
- std::regex regex_expiration(R"(#@\s+([0-9]+))");
-
- time_t now = time(nullptr);
-
- stringstream ss(bulletin);
-
- for (string line; getline(ss, line); ) {
- std::smatch bulletin_entry;
-
- bool is_match = std::regex_search(line, bulletin_entry, regex_expiration);
- if (is_match) {
- if (bulletin_entry.size() != 2) {
- throw runtime_error(
- "Incorrect number of matched TAI IETF bulletin expiration");
- }
- const string expiry_data_str(bulletin_entry[1]);
- const int64_t expiry_unix =
- std::atoll(expiry_data_str.c_str()) - ntp_unix_offset;
-
-#ifdef TEST
- etiLog.level(info) << "Bulletin expires in " << expiry_unix - now;
-#endif
- ret.expiry = expiry_unix - now;
- try {
- ret.offset = parse_ietf_bulletin(bulletin);
- ret.valid = true;
- }
- catch (const runtime_error& e) {
- etiLog.level(warn) << "Bulletin expiry ok but parse error: " << e.what();
- }
- break;
- }
- }
- return ret;
-}
-
-
-// callback that receives data from cURL
-static size_t fill_bulletin(char *ptr, size_t size, size_t nmemb, void *ctx)
-{
- auto *bulletin = reinterpret_cast<stringstream*>(ctx);
-
- size_t len = size * nmemb;
- for (size_t i = 0; i < len; i++) {
- *bulletin << ptr[i];
- }
- return len;
-}
-
-static string download_tai_utc_bulletin(const char* url)
-{
- stringstream bulletin;
-
-#ifdef HAVE_CURL
- CURL *curl;
- CURLcode res;
-
- curl = curl_easy_init();
- if (curl) {
- curl_easy_setopt(curl, CURLOPT_URL, url);
- /* Tell libcurl to follow redirection */
- curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
- curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fill_bulletin);
- curl_easy_setopt(curl, CURLOPT_WRITEDATA, &bulletin);
-
- res = curl_easy_perform(curl);
- /* always cleanup ! */
- curl_easy_cleanup(curl);
-
- if (res != CURLE_OK) {
- throw runtime_error( "TAI-UTC bulletin download failed: " +
- string(curl_easy_strerror(res)));
- }
- }
- return bulletin.str();
-#else
- throw runtime_error("Cannot download TAI Clock information without cURL");
-#endif // HAVE_CURL
-}
-
-static string load_bulletin_from_file(const char* cache_filename)
-{
- // Clear the bulletin
- ifstream f(cache_filename);
- if (not f.good()) {
- return {};
- }
-
- stringstream ss;
- ss << f.rdbuf();
- f.close();
-
- return ss.str();
-}
-
-ClockTAI::ClockTAI(const std::vector<std::string>& bulletin_urls) :
- RemoteControllable("clocktai")
-{
- RC_ADD_PARAMETER(expiry, "Number of seconds until TAI Bulletin expires");
-
- if (bulletin_urls.empty()) {
- etiLog.level(debug) << "Initialising default TAI Bulletin URLs";
- for (const auto url : default_tai_urls) {
- m_bulletin_urls.push_back(url);
- }
- }
- else {
- etiLog.level(debug) << "Initialising user-configured TAI Bulletin URLs";
- m_bulletin_urls = bulletin_urls;
- }
-
- for (const auto url : m_bulletin_urls) {
- etiLog.level(info) << "TAI Bulletin URL: '" << url << "'";
- }
-}
-
-int ClockTAI::get_valid_offset()
-{
- int offset = 0;
- bool offset_valid = false;
-
- std::unique_lock<std::mutex> lock(m_data_mutex);
-
- const auto state = parse_bulletin(m_bulletin);
- if (state.usable()) {
-#if TEST
- etiLog.level(info) << "Bulletin already valid";
-#endif
- offset = state.offset;
- offset_valid = true;
- }
- else {
- const auto cache_bulletin = load_bulletin_from_file(tai_cache_location);
- const auto cache_state = parse_bulletin(cache_bulletin);
-
- if (cache_state.usable()) {
- m_bulletin = cache_bulletin;
- offset = cache_state.offset;
- offset_valid = true;
-#if TEST
- etiLog.level(info) << "Bulletin from cache valid with offset=" << offset;
-#endif
- }
- else {
- for (const auto url : m_bulletin_urls) {
- try {
-#if TEST
- etiLog.level(info) << "Load bulletin from " << url;
-#endif
- const auto new_bulletin = download_tai_utc_bulletin(url.c_str());
- const auto new_state = parse_bulletin(new_bulletin);
- if (new_state.usable()) {
- m_bulletin = new_bulletin;
- offset = new_state.offset;
- offset_valid = true;
-
- etiLog.level(debug) << "Loaded valid TAI Bulletin from " <<
- url << " giving offset=" << offset;
- }
- else {
- etiLog.level(debug) << "Skipping invalid TAI bulletin from "
- << url;
- }
- }
- catch (const runtime_error& e) {
- etiLog.level(warn) <<
- "TAI-UTC offset could not be retrieved from " <<
- url << " : " << e.what();
- }
-
- if (offset_valid) {
- update_cache(tai_cache_location);
- break;
- }
- }
- }
- }
-
- if (offset_valid) {
- // With the current evolution of the offset, we're probably going
- // to reach 500 long after DAB gets replaced by another standard.
- if (offset < 0 or offset > 500) {
- stringstream ss;
- ss << "TAI offset " << offset << " out of range";
- throw range_error(ss.str());
- }
-
- return offset;
- }
- else {
- // Try again later
- throw download_failed();
- }
-}
-
-
-int ClockTAI::get_offset()
-{
- using namespace std::chrono;
- const auto time_now = system_clock::now();
-
- std::unique_lock<std::mutex> lock(m_data_mutex);
-
- if (not m_offset_valid) {
-#ifdef TEST
- // Assume we've downloaded it in the past:
-
- m_offset = 37; // Valid in early 2017
- m_offset_valid = true;
-
- // Simulate requiring a new download
- m_bulletin_download_time = time_now - hours(24 * 40);
-#else
- // First time we run we must block until we know
- // the offset
- lock.unlock();
- try {
- m_offset = get_valid_offset();
- }
- catch (const download_failed&) {
- throw runtime_error("Unable to download TAI bulletin");
- }
- lock.lock();
- m_offset_valid = true;
- m_bulletin_download_time = time_now;
-#endif
- etiLog.level(info) <<
- "Initialised TAI-UTC offset to " << m_offset << "s.";
- }
-
- if (time_now - m_bulletin_download_time > hours(24 * 31)) {
- // Refresh if it's older than one month. Leap seconds are
- // announced several months in advance
- etiLog.level(debug) << "Trying to refresh TAI bulletin";
-
- if (m_offset_future.valid()) {
- auto state = m_offset_future.wait_for(seconds(0));
- switch (state) {
- case future_status::ready:
- try {
- m_offset = m_offset_future.get();
- m_offset_valid = true;
- m_bulletin_download_time = time_now;
-
- etiLog.level(info) <<
- "Updated TAI-UTC offset to " << m_offset << "s.";
- }
- catch (const download_failed&) {
- etiLog.level(warn) <<
- "TAI-UTC download failed, will retry in " <<
- download_retry_interval_hours << " hour(s)";
-
- m_bulletin_download_time += hours(download_retry_interval_hours);
- }
-#ifdef TEST
- wait_longer = false;
-#endif
- break;
-
- case future_status::deferred:
- case future_status::timeout:
- // Not ready yet
-#ifdef TEST
- etiLog.level(debug) << " async not ready yet";
-#endif
- break;
- }
- }
- else {
-#ifdef TEST
- etiLog.level(debug) << " Launch async";
-#endif
- m_offset_future = async(launch::async, &ClockTAI::get_valid_offset, this);
- }
- }
-
- return m_offset;
-}
-
-#if SUPPORT_SETTING_CLOCK_TAI
-int ClockTAI::update_local_tai_clock(int offset)
-{
- struct timex timex_request;
- timex_request.modes = ADJ_TAI;
- timex_request.constant = offset;
-
- int err = adjtimex(&timex_request);
- if (err == -1) {
- perror("adjtimex");
- }
-
- printf("adjtimex: %d, tai %d\n", err, timex_request.tai);
-
- return err;
-}
-#endif
-
-void ClockTAI::update_cache(const char* cache_filename)
-{
- ofstream f(cache_filename);
- if (not f.good()) {
- throw runtime_error("TAI-UTC bulletin open cache for writing");
- }
-
- f << m_bulletin;
- f.close();
-}
-
-
-void ClockTAI::set_parameter(const string& parameter, const string& value)
-{
- if (parameter == "expiry") {
- throw ParameterError("Parameter '" + parameter +
- "' is not read-only in controllable " + get_rc_name());
- }
- else {
- throw ParameterError("Parameter '" + parameter +
- "' is not exported by controllable " + get_rc_name());
- }
-}
-
-const string ClockTAI::get_parameter(const string& parameter) const
-{
- if (parameter == "expiry") {
- std::unique_lock<std::mutex> lock(m_data_mutex);
- const int64_t expiry = parse_bulletin(m_bulletin).expiry;
- if (expiry > 0) {
- return to_string(expiry);
- }
- else {
- return "Bulletin expired or invalid!";
- }
- }
- else {
- throw ParameterError("Parameter '" + parameter +
- "' is not exported by controllable " + get_rc_name());
- }
-}
-
-#if 0
-// Example testing code
-void debug_tai_clk()
-{
- struct timespec rt_clk;
-
- int err = clock_gettime(CLOCK_REALTIME, &rt_clk);
- if (err) {
- perror("REALTIME clock_gettime failed");
- }
-
- struct timespec tai_clk;
-
- err = clock_gettime(CLOCK_TAI, &tai_clk);
- if (err) {
- perror("TAI clock_gettime failed");
- }
-
- printf("RT - TAI = %ld\n", rt_clk.tv_sec - tai_clk.tv_sec);
-
-
- struct timex timex_request;
- timex_request.modes = 0; // Do not set anything
-
- err = adjtimex(&timex_request);
- if (err == -1) {
- perror("adjtimex");
- }
-
- printf("adjtimex: %d, tai %d\n", err, timex_request.tai);
-}
-#endif
-
-#if TEST
-int main(int argc, char **argv)
-{
- using namespace std;
-
- ClockTAI tai({});
-
- while (wait_longer) {
- try {
- etiLog.level(info) <<
- "Offset is " << tai.get_offset();
- }
- catch (const exception &e) {
- etiLog.level(error) <<
- "Exception " << e.what();
- }
-
- this_thread::sleep_for(chrono::seconds(2));
- }
-
- return 0;
-}
-#endif
-
diff --git a/src/ClockTAI.h b/src/ClockTAI.h
deleted file mode 100644
index 4b3c2ff..0000000
--- a/src/ClockTAI.h
+++ /dev/null
@@ -1,102 +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) 2019
- 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/>.
-*/
-
-/* The EDI output needs TAI clock, according to ETSI TS 102 693 Annex F
- * "EDI Timestamps". This module can set the local CLOCK_TAI clock by
- * setting the TAI-UTC offset using adjtimex.
- *
- * This functionality requires Linux 3.10 (30 Jun 2013) or newer.
- */
-
-#pragma once
-
-#include <stdint.h>
-#include <stdlib.h>
-#include <sstream>
-#include <chrono>
-#include <future>
-#include <mutex>
-#include <string>
-#include <vector>
-#include "RemoteControl.h"
-
-// EDI needs to know UTC-TAI, but doesn't need the CLOCK_TAI to be set.
-// We can keep this code, maybe for future use
-#define SUPPORT_SETTING_CLOCK_TAI 0
-
-/* Loads, parses and represents TAI-UTC offset information from the IETF bulletin */
-class ClockTAI : public RemoteControllable {
- public:
- ClockTAI(const std::vector<std::string>& bulletin_urls);
-
- // Fetch the bulletin from the IETF website and return the current
- // TAI-UTC offset.
- // Throws runtime_error on failure.
- int get_offset(void);
-
-#if SUPPORT_SETTING_CLOCK_TAI
- // Update the local TAI clock according to the TAI-UTC offset
- // return 0 on success
- int update_local_tai_clock(int offset);
-#endif
-
- private:
- class download_failed {};
-
- // Either retrieve the bulletin from the cache or if necessarly
- // download it, and calculate the TAI-UTC offset.
- // Returns the offset or throws download_failed or a range_error
- // if the offset is out of bounds.
- int get_valid_offset(void);
-
- // Download of new bulletin is done asynchronously
- std::future<int> m_offset_future;
-
- // Protect all data members, as RC functions are in another thread
- mutable std::mutex m_data_mutex;
-
- // The currently used TAI-UTC offset
- int m_offset = 0;
- int m_offset_valid = false;
-
- std::vector<std::string> m_bulletin_urls;
-
- std::string m_bulletin;
- std::chrono::system_clock::time_point m_bulletin_download_time;
-
- // Update the cache file with the current m_bulletin
- void update_cache(const char* cache_filename);
-
-
- /* Remote control */
- virtual void set_parameter(const std::string& parameter,
- const std::string& value);
-
- /* Getting a parameter always returns a string. */
- virtual const std::string get_parameter(const std::string& parameter) const;
-};
-
diff --git a/src/Log.cpp b/src/Log.cpp
deleted file mode 100644
index 6b78fe0..0000000
--- a/src/Log.cpp
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- Copyright (C) 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 <list>
-#include <cstdarg>
-#include <chrono>
-
-#include "Log.h"
-
-using namespace std;
-
-/* etiLog is a singleton used in all parts of ODR-DabMod to output log messages.
- */
-Logger etiLog;
-
-void Logger::register_backend(std::shared_ptr<LogBackend> backend)
-{
- backends.push_back(backend);
-}
-
-
-void Logger::log(log_level_t level, const char* fmt, ...)
-{
- if (level == discard) {
- return;
- }
-
- int size = 100;
- std::string str;
- va_list ap;
- while (1) {
- str.resize(size);
- va_start(ap, fmt);
- int n = vsnprintf((char *)str.c_str(), size, fmt, ap);
- va_end(ap);
- if (n > -1 && n < size) {
- str.resize(n);
- break;
- }
- if (n > -1)
- size = n + 1;
- else
- size *= 2;
- }
-
- logstr(level, move(str));
-}
-
-void Logger::logstr(log_level_t level, std::string&& message)
-{
- if (level == discard) {
- return;
- }
-
- /* Remove a potential trailing newline.
- * It doesn't look good in syslog
- */
- if (message[message.length()-1] == '\n') {
- message.resize(message.length()-1);
- }
-
- for (auto &backend : backends) {
- backend->log(level, message);
- }
-
- {
- std::lock_guard<std::mutex> guard(m_cerr_mutex);
- std::cerr << levels_as_str[level] << " " << message << std::endl;
- }
-}
-
-
-LogLine Logger::level(log_level_t level)
-{
- return LogLine(this, level);
-}
-
-LogToFile::LogToFile(const std::string& filename) : name("FILE")
-{
- FILE* fd = fopen(filename.c_str(), "a");
- if (fd == nullptr) {
- fprintf(stderr, "Cannot open log file !");
- throw std::runtime_error("Cannot open log file !");
- }
-
- log_file.reset(fd);
-}
-
-void LogToFile::log(log_level_t level, const std::string& message)
-{
- if (level != log_level_t::discard) {
- const char* log_level_text[] = {
- "DEBUG", "INFO", "WARN", "ERROR", "ALERT", "EMERG"};
-
- // fprintf is thread-safe
- fprintf(log_file.get(), SYSLOG_IDENT ": %s: %s\n",
- log_level_text[(size_t)level], message.c_str());
- fflush(log_file.get());
- }
-}
-
-void LogToSyslog::log(log_level_t level, const std::string& message)
-{
- if (level != log_level_t::discard) {
- int syslog_level = LOG_EMERG;
- switch (level) {
- case debug: syslog_level = LOG_DEBUG; break;
- case info: syslog_level = LOG_INFO; break;
- /* we don't have the notice level */
- case warn: syslog_level = LOG_WARNING; break;
- case error: syslog_level = LOG_ERR; break;
- default: syslog_level = LOG_CRIT; break;
- case alert: syslog_level = LOG_ALERT; break;
- case emerg: syslog_level = LOG_EMERG; break;
- }
-
- syslog(syslog_level, SYSLOG_IDENT " %s", message.c_str());
- }
-}
diff --git a/src/Log.h b/src/Log.h
deleted file mode 100644
index 18f8c99..0000000
--- a/src/Log.h
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- Copyright (C) 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/>.
- */
-
-#pragma once
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <syslog.h>
-#include <cstdarg>
-#include <cstdio>
-#include <fstream>
-#include <sstream>
-#include <iostream>
-#include <list>
-#include <stdexcept>
-#include <string>
-#include <mutex>
-#include <memory>
-
-#define SYSLOG_IDENT "ODR-DabMux"
-#define SYSLOG_FACILITY LOG_LOCAL0
-
-enum log_level_t {debug = 0, info, warn, error, alert, emerg, discard};
-
-static const std::string levels_as_str[] =
- { " ", " ", "WARN ", "ERROR", "ALERT", "EMERG", "-----"} ;
-
-/** Abstract class all backends must inherit from */
-class LogBackend {
- public:
- virtual ~LogBackend() {};
- virtual void log(log_level_t level, const std::string& message) = 0;
- virtual std::string get_name() const = 0;
-};
-
-/** A Logging backend for Syslog */
-class LogToSyslog : public LogBackend {
- public:
- LogToSyslog() : name("SYSLOG") {
- openlog(SYSLOG_IDENT, LOG_PID, SYSLOG_FACILITY);
- }
-
- virtual ~LogToSyslog() {
- closelog();
- }
-
- void log(log_level_t level, const std::string& message);
-
- std::string get_name() const { return name; }
-
- private:
- const std::string name;
-
- LogToSyslog(const LogToSyslog& other) = delete;
- const LogToSyslog& operator=(const LogToSyslog& other) = delete;
-};
-
-class LogToFile : public LogBackend {
- public:
- LogToFile(const std::string& filename);
- void log(log_level_t level, const std::string& message);
- std::string get_name() const { return name; }
-
- private:
- const std::string name;
-
- struct FILEDeleter{ void operator()(FILE* fd){ if(fd) fclose(fd);}};
- std::unique_ptr<FILE, FILEDeleter> log_file;
-
- LogToFile(const LogToFile& other) = delete;
- const LogToFile& operator=(const LogToFile& other) = delete;
-};
-
-class LogLine;
-
-class Logger {
- public:
- void register_backend(std::shared_ptr<LogBackend> backend);
-
- /* Log the message to all backends */
- void log(log_level_t level, const char* fmt, ...);
-
- void logstr(log_level_t level, std::string&& message);
-
- /* Return a LogLine for the given level
- * so that you can write etiLog.level(info) << "stuff = " << 21 */
- LogLine level(log_level_t level);
-
- private:
- std::list<std::shared_ptr<LogBackend> > backends;
-
- std::mutex m_cerr_mutex;
-};
-
-extern Logger etiLog;
-
-// Accumulate a line of logs, using same syntax as stringstream
-// The line is logged when the LogLine gets destroyed
-class LogLine {
- public:
- LogLine(const LogLine& logline);
- const LogLine& operator=(const LogLine& other) = delete;
- LogLine(Logger* logger, log_level_t level) :
- logger_(logger)
- {
- level_ = level;
- }
-
- // Push the new element into the stringstream
- template <typename T>
- LogLine& operator<<(T s) {
- if (level_ != discard) {
- os << s;
- }
- return *this;
- }
-
- ~LogLine()
- {
- if (level_ != discard) {
- logger_->logstr(level_, os.str());
- }
- }
-
- private:
- std::ostringstream os;
- log_level_t level_;
- Logger* logger_;
-};
-
-
diff --git a/src/RemoteControl.cpp b/src/RemoteControl.cpp
deleted file mode 100644
index b32c21a..0000000
--- a/src/RemoteControl.cpp
+++ /dev/null
@@ -1,595 +0,0 @@
-/*
- Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012
- Her Majesty the Queen in Right of Canada (Communications Research
- Center Canada)
-
- Copyright (C) 2019
- 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 <list>
-#include <string>
-#include <iostream>
-#include <string>
-#include <boost/asio.hpp>
-#include <boost/thread.hpp>
-
-#include "RemoteControl.h"
-
-using boost::asio::ip::tcp;
-using namespace std;
-
-RemoteControllers rcs;
-
-RemoteControllerTelnet::~RemoteControllerTelnet()
-{
- m_active = false;
- m_io_service.stop();
-
- if (m_restarter_thread.joinable()) {
- m_restarter_thread.join();
- }
-
- if (m_child_thread.joinable()) {
- m_child_thread.join();
- }
-}
-
-void RemoteControllerTelnet::restart()
-{
- if (m_restarter_thread.joinable()) {
- m_restarter_thread.join();
- }
-
- m_restarter_thread = std::thread(
- &RemoteControllerTelnet::restart_thread,
- this, 0);
-}
-
-RemoteControllable::~RemoteControllable() {
- rcs.remove_controllable(this);
-}
-
-std::list<std::string> RemoteControllable::get_supported_parameters() const {
- std::list<std::string> parameterlist;
- for (const auto& param : m_parameters) {
- parameterlist.push_back(param[0]);
- }
- return parameterlist;
-}
-
-void RemoteControllers::add_controller(std::shared_ptr<BaseRemoteController> rc) {
- m_controllers.push_back(rc);
-}
-
-void RemoteControllers::enrol(RemoteControllable *rc) {
- controllables.push_back(rc);
-}
-
-void RemoteControllers::remove_controllable(RemoteControllable *rc) {
- controllables.remove(rc);
-}
-
-std::list< std::vector<std::string> > RemoteControllers::get_param_list_values(const std::string& name) {
- RemoteControllable* controllable = get_controllable_(name);
-
- std::list< std::vector<std::string> > allparams;
- for (auto &param : controllable->get_supported_parameters()) {
- std::vector<std::string> item;
- item.push_back(param);
- try {
- item.push_back(controllable->get_parameter(param));
- }
- catch (const ParameterError &e) {
- item.push_back(std::string("error: ") + e.what());
- }
-
- allparams.push_back(item);
- }
- return allparams;
-}
-
-std::string RemoteControllers::get_param(const std::string& name, const std::string& param) {
- RemoteControllable* controllable = get_controllable_(name);
- return controllable->get_parameter(param);
-}
-
-void RemoteControllers::check_faults() {
- for (auto &controller : m_controllers) {
- if (controller->fault_detected()) {
- etiLog.level(warn) <<
- "Detected Remote Control fault, restarting it";
- controller->restart();
- }
- }
-}
-
-RemoteControllable* RemoteControllers::get_controllable_(const std::string& name)
-{
- auto rc = std::find_if(controllables.begin(), controllables.end(),
- [&](RemoteControllable* r) { return r->get_rc_name() == name; });
-
- if (rc == controllables.end()) {
- throw ParameterError("Module name unknown");
- }
- else {
- return *rc;
- }
-}
-
-void RemoteControllers::set_param(
- const std::string& name,
- const std::string& param,
- const std::string& value)
-{
- etiLog.level(info) << "RC: Setting " << name << " " << param
- << " to " << value;
- RemoteControllable* controllable = get_controllable_(name);
- try {
- return controllable->set_parameter(param, value);
- }
- catch (const ios_base::failure& e) {
- etiLog.level(info) << "RC: Failed to set " << name << " " << param
- << " to " << value << ": " << e.what();
- throw ParameterError("Cannot understand value");
- }
-}
-
-// This runs in a separate thread, because
-// it would take too long to be done in the main loop
-// thread.
-void RemoteControllerTelnet::restart_thread(long)
-{
- m_active = false;
- m_io_service.stop();
-
- if (m_child_thread.joinable()) {
- m_child_thread.join();
- }
-
- m_child_thread = std::thread(&RemoteControllerTelnet::process, this, 0);
-}
-
-void RemoteControllerTelnet::handle_accept(
- const boost::system::error_code& boost_error,
- boost::shared_ptr< boost::asio::ip::tcp::socket > socket,
- boost::asio::ip::tcp::acceptor& acceptor)
-{
-
- const std::string welcome = "ODR-DabMux Remote Control CLI\n"
- "Write 'help' for help.\n"
- "**********\n";
- const std::string prompt = "> ";
-
- std::string in_message;
- size_t length;
-
- if (boost_error) {
- etiLog.level(error) << "RC: Error accepting connection";
- return;
- }
-
- try {
- etiLog.level(info) << "RC: Accepted";
-
- boost::system::error_code ignored_error;
-
- boost::asio::write(*socket, boost::asio::buffer(welcome),
- boost::asio::transfer_all(),
- ignored_error);
-
- while (m_active && in_message != "quit") {
- boost::asio::write(*socket, boost::asio::buffer(prompt),
- boost::asio::transfer_all(),
- ignored_error);
-
- in_message = "";
-
- boost::asio::streambuf buffer;
- length = boost::asio::read_until(*socket, buffer, "\n", ignored_error);
-
- std::istream str(&buffer);
- std::getline(str, in_message);
-
- if (length == 0) {
- etiLog.level(info) << "RC: Connection terminated";
- break;
- }
-
- while (in_message.length() > 0 &&
- (in_message[in_message.length()-1] == '\r' ||
- in_message[in_message.length()-1] == '\n')) {
- in_message.erase(in_message.length()-1, 1);
- }
-
- if (in_message.length() == 0) {
- continue;
- }
-
- etiLog.level(info) << "RC: Got message '" << in_message << "'";
-
- dispatch_command(*socket, in_message);
- }
- etiLog.level(info) << "RC: Closing socket";
- socket->close();
- }
- catch (const std::exception& e)
- {
- etiLog.level(error) << "Remote control caught exception: " << e.what();
- }
-}
-
-void RemoteControllerTelnet::process(long)
-{
- m_active = true;
-
- while (m_active) {
- m_io_service.reset();
-
- tcp::acceptor acceptor(m_io_service, tcp::endpoint(
- boost::asio::ip::address::from_string("127.0.0.1"), m_port) );
-
-
- // Add a job to start accepting connections.
- boost::shared_ptr<tcp::socket> socket(
- new tcp::socket(acceptor.get_io_service()));
-
- // Add an accept call to the service. This will prevent io_service::run()
- // from returning.
- etiLog.level(info) << "RC: Waiting for connection on port " << m_port;
- acceptor.async_accept(*socket,
- boost::bind(&RemoteControllerTelnet::handle_accept,
- this,
- boost::asio::placeholders::error,
- socket,
- boost::ref(acceptor)));
-
- // Process event loop.
- m_io_service.run();
- }
-
- etiLog.level(info) << "RC: Leaving";
- m_fault = true;
-}
-
-static std::vector<std::string> tokenise(const std::string& message) {
- stringstream ss(message);
- std::vector<std::string> all_tokens;
- std::string item;
-
- while (std::getline(ss, item, ' ')) {
- all_tokens.push_back(move(item));
- }
- return all_tokens;
-}
-
-
-void RemoteControllerTelnet::dispatch_command(tcp::socket& socket, string command)
-{
- vector<string> cmd = tokenise(command);
-
- if (cmd[0] == "help") {
- reply(socket,
- "The following commands are supported:\n"
- " list\n"
- " * Lists the modules that are loaded and their parameters\n"
- " show MODULE\n"
- " * Lists all parameters and their values from module MODULE\n"
- " get MODULE PARAMETER\n"
- " * Gets the value for the specified PARAMETER from module MODULE\n"
- " set MODULE PARAMETER VALUE\n"
- " * Sets the value for the PARAMETER ofr module MODULE\n"
- " quit\n"
- " * Terminate this session\n"
- "\n");
- }
- else if (cmd[0] == "list") {
- stringstream ss;
-
- if (cmd.size() == 1) {
- for (auto &controllable : rcs.controllables) {
- ss << controllable->get_rc_name() << endl;
-
- list< vector<string> > params = controllable->get_parameter_descriptions();
- for (auto &param : params) {
- ss << "\t" << param[0] << " : " << param[1] << endl;
- }
- }
- }
- else {
- reply(socket, "Too many arguments for command 'list'");
- }
-
- reply(socket, ss.str());
- }
- else if (cmd[0] == "show") {
- if (cmd.size() == 2) {
- try {
- stringstream ss;
- list< vector<string> > r = rcs.get_param_list_values(cmd[1]);
- for (auto &param_val : r) {
- ss << param_val[0] << ": " << param_val[1] << endl;
- }
- reply(socket, ss.str());
-
- }
- catch (const ParameterError &e) {
- reply(socket, e.what());
- }
- }
- else {
- reply(socket, "Incorrect parameters for command 'show'");
- }
- }
- else if (cmd[0] == "get") {
- if (cmd.size() == 3) {
- try {
- string r = rcs.get_param(cmd[1], cmd[2]);
- reply(socket, r);
- }
- catch (const ParameterError &e) {
- reply(socket, e.what());
- }
- }
- else {
- reply(socket, "Incorrect parameters for command 'get'");
- }
- }
- else if (cmd[0] == "set") {
- if (cmd.size() >= 4) {
- try {
- stringstream new_param_value;
- for (size_t i = 3; i < cmd.size(); i++) {
- new_param_value << cmd[i];
-
- if (i+1 < cmd.size()) {
- new_param_value << " ";
- }
- }
-
- rcs.set_param(cmd[1], cmd[2], new_param_value.str());
- reply(socket, "ok");
- }
- catch (const ParameterError &e) {
- reply(socket, e.what());
- }
- catch (const exception &e) {
- reply(socket, "Error: Invalid parameter value. ");
- }
- }
- else {
- reply(socket, "Incorrect parameters for command 'set'");
- }
- }
- else if (cmd[0] == "quit") {
- reply(socket, "Goodbye");
- }
- else {
- reply(socket, "Message not understood");
- }
-}
-
-void RemoteControllerTelnet::reply(tcp::socket& socket, string message)
-{
- boost::system::error_code ignored_error;
- stringstream ss;
- ss << message << "\r\n";
- boost::asio::write(socket, boost::asio::buffer(ss.str()),
- boost::asio::transfer_all(),
- ignored_error);
-}
-
-
-#if defined(HAVE_RC_ZEROMQ)
-
-RemoteControllerZmq::~RemoteControllerZmq() {
- m_active = false;
- m_fault = false;
-
- if (m_restarter_thread.joinable()) {
- m_restarter_thread.join();
- }
-
- if (m_child_thread.joinable()) {
- m_child_thread.join();
- }
-}
-
-void RemoteControllerZmq::restart()
-{
- if (m_restarter_thread.joinable()) {
- m_restarter_thread.join();
- }
-
- m_restarter_thread = std::thread(&RemoteControllerZmq::restart_thread, this);
-}
-
-// This runs in a separate thread, because
-// it would take too long to be done in the main loop
-// thread.
-void RemoteControllerZmq::restart_thread()
-{
- m_active = false;
-
- if (m_child_thread.joinable()) {
- m_child_thread.join();
- }
-
- m_child_thread = std::thread(&RemoteControllerZmq::process, this);
-}
-
-void RemoteControllerZmq::recv_all(zmq::socket_t& pSocket, std::vector<std::string> &message)
-{
- bool more = true;
- do {
- zmq::message_t msg;
- pSocket.recv(&msg);
- std::string incoming((char*)msg.data(), msg.size());
- message.push_back(incoming);
- more = msg.more();
- } while (more);
-}
-
-void RemoteControllerZmq::send_ok_reply(zmq::socket_t &pSocket)
-{
- zmq::message_t msg(2);
- char repCode[2] = {'o', 'k'};
- memcpy ((void*) msg.data(), repCode, 2);
- pSocket.send(msg, 0);
-}
-
-void RemoteControllerZmq::send_fail_reply(zmq::socket_t &pSocket, const std::string &error)
-{
- zmq::message_t msg1(4);
- char repCode[4] = {'f', 'a', 'i', 'l'};
- memcpy ((void*) msg1.data(), repCode, 4);
- pSocket.send(msg1, ZMQ_SNDMORE);
-
- zmq::message_t msg2(error.length());
- memcpy ((void*) msg2.data(), error.c_str(), error.length());
- pSocket.send(msg2, 0);
-}
-
-void RemoteControllerZmq::process()
-{
- m_fault = false;
-
- // create zmq reply socket for receiving ctrl parameters
- try {
- zmq::socket_t repSocket(m_zmqContext, ZMQ_REP);
-
- // connect the socket
- int hwm = 100;
- int linger = 0;
- repSocket.setsockopt(ZMQ_RCVHWM, &hwm, sizeof(hwm));
- repSocket.setsockopt(ZMQ_SNDHWM, &hwm, sizeof(hwm));
- repSocket.setsockopt(ZMQ_LINGER, &linger, sizeof(linger));
- repSocket.bind(m_endpoint.c_str());
-
- // create pollitem that polls the ZMQ sockets
- zmq::pollitem_t pollItems[] = { {repSocket, 0, ZMQ_POLLIN, 0} };
- while (m_active) {
- zmq::poll(pollItems, 1, 100);
- std::vector<std::string> msg;
-
- if (pollItems[0].revents & ZMQ_POLLIN) {
- recv_all(repSocket, msg);
-
- std::string command((char*)msg[0].data(), msg[0].size());
-
- if (msg.size() == 1 && command == "ping") {
- send_ok_reply(repSocket);
- }
- else if (msg.size() == 1 && command == "list") {
- size_t cohort_size = rcs.controllables.size();
- for (auto &controllable : rcs.controllables) {
- std::stringstream ss;
- ss << "{ \"name\": \"" << controllable->get_rc_name() << "\"," <<
- " \"params\": { ";
-
- list< vector<string> > params = controllable->get_parameter_descriptions();
- size_t i = 0;
- for (auto &param : params) {
- if (i > 0) {
- ss << ", ";
- }
-
- ss << "\"" << param[0] << "\": " <<
- "\"" << param[1] << "\"";
-
- i++;
- }
-
- ss << " } }";
-
- std::string msg_s = ss.str();
-
- zmq::message_t zmsg(ss.str().size());
- memcpy ((void*) zmsg.data(), msg_s.data(), msg_s.size());
-
- int flag = (--cohort_size > 0) ? ZMQ_SNDMORE : 0;
- repSocket.send(zmsg, flag);
- }
- }
- else if (msg.size() == 2 && command == "show") {
- std::string module((char*) msg[1].data(), msg[1].size());
- try {
- list< vector<string> > r = rcs.get_param_list_values(module);
- size_t r_size = r.size();
- for (auto &param_val : r) {
- std::stringstream ss;
- ss << param_val[0] << ": " << param_val[1] << endl;
- zmq::message_t zmsg(ss.str().size());
- memcpy(zmsg.data(), ss.str().data(), ss.str().size());
-
- int flag = (--r_size > 0) ? ZMQ_SNDMORE : 0;
- repSocket.send(zmsg, flag);
- }
- }
- catch (const ParameterError &err) {
- send_fail_reply(repSocket, err.what());
- }
- }
- else if (msg.size() == 3 && command == "get") {
- std::string module((char*) msg[1].data(), msg[1].size());
- std::string parameter((char*) msg[2].data(), msg[2].size());
-
- try {
- std::string value = rcs.get_param(module, parameter);
- zmq::message_t zmsg(value.size());
- memcpy ((void*) zmsg.data(), value.data(), value.size());
- repSocket.send(zmsg, 0);
- }
- catch (const ParameterError &err) {
- send_fail_reply(repSocket, err.what());
- }
- }
- else if (msg.size() == 4 && command == "set") {
- std::string module((char*) msg[1].data(), msg[1].size());
- std::string parameter((char*) msg[2].data(), msg[2].size());
- std::string value((char*) msg[3].data(), msg[3].size());
-
- try {
- rcs.set_param(module, parameter, value);
- send_ok_reply(repSocket);
- }
- catch (const ParameterError &err) {
- send_fail_reply(repSocket, err.what());
- }
- }
- else {
- send_fail_reply(repSocket,
- "Unsupported command. commands: list, show, get, set");
- }
- }
- }
- repSocket.close();
- }
- catch (const zmq::error_t &e) {
- etiLog.level(error) << "ZMQ RC error: " << std::string(e.what());
- }
- catch (const std::exception& e) {
- etiLog.level(error) << "ZMQ RC caught exception: " << e.what();
- m_fault = true;
- }
-}
-
-#endif
-
diff --git a/src/RemoteControl.h b/src/RemoteControl.h
deleted file mode 100644
index 0726b28..0000000
--- a/src/RemoteControl.h
+++ /dev/null
@@ -1,263 +0,0 @@
-/*
- Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012
- Her Majesty the Queen in Right of Canada (Communications Research
- Center Canada)
-
- Copyright (C) 2019
- Matthias P. Braendli, matthias.braendli@mpb.li
-
- http://www.opendigitalradio.org
-
- This module adds remote-control capability to some of the dabmux modules.
- */
-/*
- 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/>.
- */
-
-#pragma once
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#if defined(HAVE_RC_ZEROMQ)
-# include "zmq.hpp"
-#endif
-
-#include <list>
-#include <map>
-#include <memory>
-#include <string>
-#include <atomic>
-#include <iostream>
-#include <boost/bind.hpp>
-#include <boost/asio.hpp>
-#include <boost/foreach.hpp>
-#include <boost/tokenizer.hpp>
-#include <thread>
-#include <stdexcept>
-
-#include "Log.h"
-
-#define RC_ADD_PARAMETER(p, desc) { \
- std::vector<std::string> p; \
- p.push_back(#p); \
- p.push_back(desc); \
- m_parameters.push_back(p); \
-}
-
-class ParameterError : public std::exception
-{
- public:
- ParameterError(std::string message) : m_message(message) {}
- ~ParameterError() throw() {}
- const char* what() const throw() { return m_message.c_str(); }
-
- private:
- std::string m_message;
-};
-
-class RemoteControllable;
-
-/* Remote controllers (that recieve orders from the user)
- * must implement BaseRemoteController
- */
-class BaseRemoteController {
- public:
- /* When this returns one, the remote controller cannot be
- * used anymore, and must be restarted by dabmux
- */
- virtual bool fault_detected() = 0;
-
- /* In case of a fault, the remote controller can be
- * restarted.
- */
- virtual void restart() = 0;
-
- virtual ~BaseRemoteController() {}
-};
-
-/* Objects that support remote control must implement the following class */
-class RemoteControllable {
- public:
- RemoteControllable(const std::string& name) :
- m_rc_name(name) {}
-
- RemoteControllable(const RemoteControllable& other) = delete;
- RemoteControllable& operator=(const RemoteControllable& other) = delete;
-
- virtual ~RemoteControllable();
-
- /* return a short name used to identify the controllable.
- * It might be used in the commands the user has to type, so keep
- * it short
- */
- virtual std::string get_rc_name() const { return m_rc_name; }
-
- /* Return a list of possible parameters that can be set */
- virtual std::list<std::string> get_supported_parameters() const;
-
- /* Return a mapping of the descriptions of all parameters */
- virtual std::list< std::vector<std::string> >
- get_parameter_descriptions() const
- {
- return m_parameters;
- }
-
- /* Base function to set parameters. */
- virtual void set_parameter(
- const std::string& parameter,
- const std::string& value) = 0;
-
- /* Getting a parameter always returns a string. */
- virtual const std::string get_parameter(const std::string& parameter) const = 0;
-
- protected:
- std::string m_rc_name;
- std::list< std::vector<std::string> > m_parameters;
-};
-
-/* Holds all our remote controllers and controlled object.
- */
-class RemoteControllers {
- public:
- void add_controller(std::shared_ptr<BaseRemoteController> rc);
- void enrol(RemoteControllable *rc);
- void remove_controllable(RemoteControllable *rc);
- void check_faults();
- std::list< std::vector<std::string> > get_param_list_values(const std::string& name);
- std::string get_param(const std::string& name, const std::string& param);
-
- void set_param(
- const std::string& name,
- const std::string& param,
- const std::string& value);
-
- std::list<RemoteControllable*> controllables;
-
- private:
- RemoteControllable* get_controllable_(const std::string& name);
-
- std::list<std::shared_ptr<BaseRemoteController> > m_controllers;
-};
-
-extern RemoteControllers rcs;
-
-/* Implements a Remote controller based on a simple telnet CLI
- * that listens on localhost
- */
-class RemoteControllerTelnet : public BaseRemoteController {
- public:
- RemoteControllerTelnet()
- : m_active(false),
- m_io_service(),
- m_fault(false),
- m_port(0) { }
-
- RemoteControllerTelnet(int port)
- : m_active(port > 0),
- m_io_service(),
- m_fault(false),
- m_port(port)
- {
- restart();
- }
-
-
- RemoteControllerTelnet& operator=(const RemoteControllerTelnet& other) = delete;
- RemoteControllerTelnet(const RemoteControllerTelnet& other) = delete;
-
- ~RemoteControllerTelnet();
-
- virtual bool fault_detected() { return m_fault; }
-
- virtual void restart();
-
- private:
- void restart_thread(long);
-
- void process(long);
-
- void dispatch_command(boost::asio::ip::tcp::socket& socket,
- std::string command);
-
- void reply(boost::asio::ip::tcp::socket& socket, std::string message);
-
- void handle_accept(
- const boost::system::error_code& boost_error,
- boost::shared_ptr< boost::asio::ip::tcp::socket > socket,
- boost::asio::ip::tcp::acceptor& acceptor);
-
- std::atomic<bool> m_active;
-
- boost::asio::io_service m_io_service;
-
- /* This is set to true if a fault occurred */
- std::atomic<bool> m_fault;
- std::thread m_restarter_thread;
-
- std::thread m_child_thread;
-
- int m_port;
-};
-
-#if defined(HAVE_RC_ZEROMQ)
-/* Implements a Remote controller using zmq transportlayer
- * that listens on localhost
- */
-class RemoteControllerZmq : public BaseRemoteController {
- public:
- RemoteControllerZmq()
- : m_active(false), m_fault(false),
- m_zmqContext(1),
- m_endpoint("") { }
-
- RemoteControllerZmq(const std::string& endpoint)
- : m_active(not endpoint.empty()), m_fault(false),
- m_zmqContext(1),
- m_endpoint(endpoint),
- m_child_thread(&RemoteControllerZmq::process, this) { }
-
- RemoteControllerZmq& operator=(const RemoteControllerZmq& other) = delete;
- RemoteControllerZmq(const RemoteControllerZmq& other) = delete;
-
- ~RemoteControllerZmq();
-
- virtual bool fault_detected() { return m_fault; }
-
- virtual void restart();
-
- private:
- void restart_thread();
-
- void recv_all(zmq::socket_t &pSocket, std::vector<std::string> &message);
- void send_ok_reply(zmq::socket_t &pSocket);
- void send_fail_reply(zmq::socket_t &pSocket, const std::string &error);
- void process();
-
- std::atomic<bool> m_active;
-
- /* This is set to true if a fault occurred */
- std::atomic<bool> m_fault;
- std::thread m_restarter_thread;
-
- zmq::context_t m_zmqContext;
-
- std::string m_endpoint;
- std::thread m_child_thread;
-};
-#endif
-
diff --git a/src/crc.c b/src/crc.c
deleted file mode 100644
index cc02473..0000000
--- a/src/crc.c
+++ /dev/null
@@ -1,266 +0,0 @@
-/*
- Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
- Queen in Right of Canada (Communications Research Center Canada)
- */
-/*
- 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 "crc.h"
-#ifndef _WIN32
-# include <unistd.h>
-# include <netinet/in.h>
-#endif
-#include <stdio.h>
-#include <fcntl.h>
-
-//#define CCITT 0x1021
-
-uint8_t crc8tab[256] = {
- 0x00, 0x07, 0x0e, 0x09, 0x1c, 0x1b, 0x12, 0x15,
- 0x38, 0x3f, 0x36, 0x31, 0x24, 0x23, 0x2a, 0x2d,
- 0x70, 0x77, 0x7e, 0x79, 0x6c, 0x6b, 0x62, 0x65,
- 0x48, 0x4f, 0x46, 0x41, 0x54, 0x53, 0x5a, 0x5d,
- 0xe0, 0xe7, 0xee, 0xe9, 0xfc, 0xfb, 0xf2, 0xf5,
- 0xd8, 0xdf, 0xd6, 0xd1, 0xc4, 0xc3, 0xca, 0xcd,
- 0x90, 0x97, 0x9e, 0x99, 0x8c, 0x8b, 0x82, 0x85,
- 0xa8, 0xaf, 0xa6, 0xa1, 0xb4, 0xb3, 0xba, 0xbd,
- 0xc7, 0xc0, 0xc9, 0xce, 0xdb, 0xdc, 0xd5, 0xd2,
- 0xff, 0xf8, 0xf1, 0xf6, 0xe3, 0xe4, 0xed, 0xea,
- 0xb7, 0xb0, 0xb9, 0xbe, 0xab, 0xac, 0xa5, 0xa2,
- 0x8f, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9d, 0x9a,
- 0x27, 0x20, 0x29, 0x2e, 0x3b, 0x3c, 0x35, 0x32,
- 0x1f, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0d, 0x0a,
- 0x57, 0x50, 0x59, 0x5e, 0x4b, 0x4c, 0x45, 0x42,
- 0x6f, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7d, 0x7a,
- 0x89, 0x8e, 0x87, 0x80, 0x95, 0x92, 0x9b, 0x9c,
- 0xb1, 0xb6, 0xbf, 0xb8, 0xad, 0xaa, 0xa3, 0xa4,
- 0xf9, 0xfe, 0xf7, 0xf0, 0xe5, 0xe2, 0xeb, 0xec,
- 0xc1, 0xc6, 0xcf, 0xc8, 0xdd, 0xda, 0xd3, 0xd4,
- 0x69, 0x6e, 0x67, 0x60, 0x75, 0x72, 0x7b, 0x7c,
- 0x51, 0x56, 0x5f, 0x58, 0x4d, 0x4a, 0x43, 0x44,
- 0x19, 0x1e, 0x17, 0x10, 0x05, 0x02, 0x0b, 0x0c,
- 0x21, 0x26, 0x2f, 0x28, 0x3d, 0x3a, 0x33, 0x34,
- 0x4e, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5c, 0x5b,
- 0x76, 0x71, 0x78, 0x7f, 0x6a, 0x6d, 0x64, 0x63,
- 0x3e, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2c, 0x2b,
- 0x06, 0x01, 0x08, 0x0f, 0x1a, 0x1d, 0x14, 0x13,
- 0xae, 0xa9, 0xa0, 0xa7, 0xb2, 0xb5, 0xbc, 0xbb,
- 0x96, 0x91, 0x98, 0x9f, 0x8a, 0x8d, 0x84, 0x83,
- 0xde, 0xd9, 0xd0, 0xd7, 0xc2, 0xc5, 0xcc, 0xcb,
- 0xe6, 0xe1, 0xe8, 0xef, 0xfa, 0xfd, 0xf4, 0xf3
-};
-
-
-uint16_t crc16tab[256] = {
- 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
- 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
- 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
- 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
- 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
- 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
- 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
- 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
- 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
- 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
- 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
- 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
- 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
- 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
- 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
- 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
- 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
- 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
- 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
- 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
- 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
- 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
- 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
- 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
- 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
- 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
- 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
- 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
- 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
- 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
- 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
- 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
-};
-
-
-uint32_t crc32tab[256] = {
- 0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9,
- 0x130476dc, 0x17c56b6b, 0x1a864db2, 0x1e475005,
- 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61,
- 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd,
- 0x4c11db70, 0x48d0c6c7, 0x4593e01e, 0x4152fda9,
- 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75,
- 0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011,
- 0x791d4014, 0x7ddc5da3, 0x709f7b7a, 0x745e66cd,
- 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039,
- 0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5,
- 0xbe2b5b58, 0xbaea46ef, 0xb7a96036, 0xb3687d81,
- 0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d,
- 0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49,
- 0xc7361b4c, 0xc3f706fb, 0xceb42022, 0xca753d95,
- 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1,
- 0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d,
- 0x34867077, 0x30476dc0, 0x3d044b19, 0x39c556ae,
- 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072,
- 0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16,
- 0x018aeb13, 0x054bf6a4, 0x0808d07d, 0x0cc9cdca,
- 0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde,
- 0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02,
- 0x5e9f46bf, 0x5a5e5b08, 0x571d7dd1, 0x53dc6066,
- 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba,
- 0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e,
- 0xbfa1b04b, 0xbb60adfc, 0xb6238b25, 0xb2e29692,
- 0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6,
- 0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a,
- 0xe0b41de7, 0xe4750050, 0xe9362689, 0xedf73b3e,
- 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2,
- 0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686,
- 0xd5b88683, 0xd1799b34, 0xdc3abded, 0xd8fba05a,
- 0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637,
- 0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb,
- 0x4f040d56, 0x4bc510e1, 0x46863638, 0x42472b8f,
- 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53,
- 0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47,
- 0x36194d42, 0x32d850f5, 0x3f9b762c, 0x3b5a6b9b,
- 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff,
- 0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623,
- 0xf12f560e, 0xf5ee4bb9, 0xf8ad6d60, 0xfc6c70d7,
- 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b,
- 0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f,
- 0xc423cd6a, 0xc0e2d0dd, 0xcda1f604, 0xc960ebb3,
- 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7,
- 0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b,
- 0x9b3660c6, 0x9ff77d71, 0x92b45ba8, 0x9675461f,
- 0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3,
- 0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640,
- 0x4e8ee645, 0x4a4ffbf2, 0x470cdd2b, 0x43cdc09c,
- 0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8,
- 0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24,
- 0x119b4be9, 0x155a565e, 0x18197087, 0x1cd86d30,
- 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec,
- 0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088,
- 0x2497d08d, 0x2056cd3a, 0x2d15ebe3, 0x29d4f654,
- 0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0,
- 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c,
- 0xe3a1cbc1, 0xe760d676, 0xea23f0af, 0xeee2ed18,
- 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4,
- 0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0,
- 0x9abc8bd5, 0x9e7d9662, 0x933eb0bb, 0x97ffad0c,
- 0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668,
- 0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4
-};
-
-// This function can be used to create a new table with a different polynom
-void init_crc8tab(uint8_t l_code, uint8_t l_init)
-{
- unsigned i, j, msb;
- uint8_t nb;
- uint8_t crc;
-
- for (i = 0; i < 256; ++i) {
- crc = l_init;
- nb = i ^ 0xff;
- for (j = 0; j < 8; ++j) {
- msb = (nb & (0x80 >> j)) && 1;
- msb ^= (crc >> 7);
- crc <<= 1;
- if (msb)
- crc ^= l_code;
- }
- crc8tab[i] = crc;
- }
-}
-
-
-void init_crc16tab(uint16_t l_code, uint16_t l_init)
-{
- unsigned i, j, msb;
- uint8_t nb;
- uint16_t crc;
-
- for (i = 0; i < 256; ++i) {
- crc = l_init;
- nb = i ^ 0xff;
- for (j = 0; j < 8; ++j) {
- msb = (nb & (0x80 >> j)) && 1;
- msb ^= (crc >> 15);
- crc <<= 1;
- if (msb)
- crc ^= l_code;
- }
- crc ^= 0xff00;
- crc16tab[i] = crc;
- }
-}
-
-
-void init_crc32tab(uint32_t l_code, uint32_t l_init)
-{
- unsigned i, j, msb;
- uint8_t nb;
- uint32_t crc;
-
- for (i = 0; i < 256; ++i) {
- crc = l_init;
- nb = i ^ 0xff;
- for (j = 0; j < 8; ++j) {
- msb = (nb & (0x80 >> j)) && 1;
- msb ^= (crc >> 31);
- crc <<= 1;
- if (msb)
- crc ^= l_code;
- }
- crc ^= 0xffffff00;
- crc32tab[i] = crc;
- }
-}
-
-
-uint8_t crc8(uint8_t l_crc, const void *lp_data, unsigned l_nb)
-{
- const uint8_t* data = (const uint8_t*)lp_data;
- while (l_nb--) {
- l_crc = crc8tab[l_crc ^ *(data++)];
- }
- return (l_crc);
-}
-
-
-uint16_t crc16(uint16_t l_crc, const void *lp_data, unsigned l_nb)
-{
- const uint8_t* data = (const uint8_t*)lp_data;
- while (l_nb--) {
- l_crc =
- (l_crc << 8) ^ crc16tab[(l_crc >> 8) ^ *(data++)];
- }
- return (l_crc);
-}
-
-
-uint32_t crc32(uint32_t l_crc, const void *lp_data, unsigned l_nb)
-{
- const uint8_t* data = (const uint8_t*)lp_data;
- while (l_nb--) {
- l_crc =
- (l_crc << 8) ^ crc32tab[((l_crc >> 24) ^ *(data++)) & 0xff];
- }
- return (l_crc);
-}
diff --git a/src/crc.h b/src/crc.h
deleted file mode 100644
index b1785a1..0000000
--- a/src/crc.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
- Queen in Right of Canada (Communications Research Center Canada)
- */
-/*
- 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/>.
- */
-
-#ifndef _CRC
-#define _CRC
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#ifndef _WIN32
- #include <stdint.h>
-#else
- #include <winsock2.h> // For types...
- typedef BYTE uint8_t;
- typedef WORD uint16_t;
- typedef DWORD32 uint32_t;
-#endif
-
-
-#ifdef __cplusplus
-extern "C" { // }
-#endif
-
-void init_crc8tab(uint8_t l_code, uint8_t l_init);
-uint8_t crc8(uint8_t l_crc, const void *lp_data, unsigned l_nb);
-extern uint8_t crc8tab[];
-
-void init_crc16tab(uint16_t l_code, uint16_t l_init);
-uint16_t crc16(uint16_t l_crc, const void *lp_data, unsigned l_nb);
-extern uint16_t crc16tab[];
-
-void init_crc32tab(uint32_t l_code, uint32_t l_init);
-uint32_t crc32(uint32_t l_crc, const void *lp_data, unsigned l_nb);
-extern uint32_t crc32tab[];
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif //_CRC
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-21 14:20:26 +0000