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Loop.cpp
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Loop.cpp
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/************************************************************************
* Copyright(c) 2023, One Unified. All rights reserved. *
* email: info@oneunified.net *
* *
* This file is provided as is WITHOUT ANY WARRANTY *
* without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* *
* This software may not be used nor distributed without proper license *
* agreement. *
* *
* See the file LICENSE.txt for redistribution information. *
************************************************************************/
/*
* File: Loop.cpp
* Author: raymond@burkholder.net
* Project: Mqtt2Telegram
* Created: October 23, 2023 13:43:38
*/
#include <unistd.h>
#include <iostream>
#include <boost/regex.hpp>
#include <boost/asio/post.hpp>
#include <boost/log/trivial.hpp>
#include <boost/lexical_cast.hpp>
#include <nutclient.h>
#include <ou/mqtt/mqtt.hpp>
#include <ou/telegram/Bot.hpp>
#include "Loop.hpp"
#include "Config.hpp"
// TODO: add last seen to menu, or check dashboard?
Loop::Loop( const config::Values& choices, asio::io_context& io_context )
: m_choices( choices ), m_io_context( io_context )
, m_signals( io_context, SIGINT ) // SIGINT is called '^C'
{
int rc;
char szHostName[ HOST_NAME_MAX + 1 ];
rc = gethostname( szHostName, HOST_NAME_MAX + 1 );
if ( 0 != rc ) {
m_sMqttId = szHostName;
}
else {
assert( 0 < choices.mqtt.sId.size() );
m_sMqttId = choices.mqtt.sId;
}
// https://www.boost.org/doc/libs/1_79_0/doc/html/boost_asio/reference/signal_set.html
//signals.add( SIGKILL ); // not allowed here
m_signals.add( SIGHUP ); // use this as a config change?
//signals.add( SIGINFO ); // control T - doesn't exist on linux
m_signals.add( SIGTERM );
m_signals.add( SIGQUIT );
m_signals.add( SIGABRT );
m_signals.async_wait( [this]( const boost::system::error_code& error_code, int signal_number ){
Signals( error_code, signal_number );
} );
try {
if ( m_choices.telegram.sToken.empty() ) {
BOOST_LOG_TRIVIAL(warning) << "telegram: no token available" << std::endl;
}
else {
m_telegram_bot = std::make_unique<ou::telegram::Bot>( m_choices.telegram.sToken );
//auto id = m_telegram_bot->GetChatId();
m_telegram_bot->SetChatId( choices.telegram.idChat );
m_telegram_bot->SetCommand(
"start", "initialization", false,
[this]( const std::string& sCmd ){
m_telegram_bot->SendMessage( "start (to be implemented)" );
}
);
m_telegram_bot->SetCommand(
"help", "command list", false,
[this]( const std::string& sCmd ){
m_telegram_bot->SendMessage( "commands: /help, /status" );
}
);
m_telegram_bot->SetCommand(
"status", "list ups states", true,
[this]( const std::string& sCmd ){
if ( sCmd == "status" ) { // need to be aware of parameters
time_point tp = std::chrono::system_clock::now();
std::string sCurrent( "ups state:\n" );
for ( const umapStatus_t::value_type& v: m_umapStatus ) {
auto duration = std::chrono::duration_cast<std::chrono::seconds>( tp - v.second.tpLastSeen );
const std::string sDuration( boost::lexical_cast<std::string>( duration.count() ) );
sCurrent += ' ' + v.first + ":" + v.second.sStatus_full + ',' + v.second.sRunTime + "s," + sDuration + "s ago" + '\n';
}
m_telegram_bot->SendMessage( sCurrent );
}
} );
}
}
catch (...) {
BOOST_LOG_TRIVIAL(error) << "telegram open failure";
}
try {
m_pMqtt = std::make_unique<ou::Mqtt>( choices.mqtt );
m_pMqtt->Subscribe(
choices.mqtt.sTopic + "/#",
[this]( const std::string_view& svTopic, const std::string_view& svMessage ){
// nut/furnace-sm1500 {"battery.charge":100,"battery.runtime":6749,"battery.voltage":26.4,"ups.status":"OL"}
std::string sTopic( svTopic );
std::string sMessage( svMessage );
//static const boost::regex expr {"\"ups.status\":\"([^ \"]+) .([^\"].)\""};
static const boost::regex expr_status_basic {"\"ups.status\":\"([^ \"]+)|(([^ \"]+)( [^\"]+))\""};
static const boost::regex expr_status_full {"\"ups.status\":\"([^\"]+)\""};
static const boost::regex expr_runtime {"\"battery.runtime\":([0-9]+)"};
boost::smatch what;
std::string sStatus_full;
std::string sRunTime;
if ( boost::regex_search( sMessage, what, expr_runtime ) ) {
sRunTime = std::move( what[ 1 ] );
}
if ( boost::regex_search( sMessage, what, expr_status_full ) ) {
sStatus_full = std::move( what[ 1 ] );
}
if ( boost::regex_search( sMessage, what, expr_status_basic ) ) {
umapStatus_t::iterator iterStatus = m_umapStatus.find( sTopic );
//BOOST_LOG_TRIVIAL(trace) << "what0" << what[0];
//BOOST_LOG_TRIVIAL(trace) << "what1" << what[1];
if ( m_umapStatus.end() == iterStatus ) {
auto result = m_umapStatus.emplace( sTopic, ups_state_t( std::move( what[ 1 ] ) ) );
assert( result.second );
iterStatus = result.first;
m_telegram_bot->SendMessage( sTopic + ": " + what[ 1 ] );
}
else {
if ( what[ 1 ] == iterStatus->second.sStatus_basic ) {
// nothing to do
}
else {
iterStatus->second.sStatus_basic = std::move( what[ 1 ] );
m_telegram_bot->SendMessage( sTopic + ": " + what[ 1 ] );
}
}
ups_state_t& ups_state( iterStatus->second );
ups_state.sStatus_full = std::move( sStatus_full );
ups_state.sRunTime = std::move( sRunTime );
ups_state.tpLastSeen = std::chrono::system_clock::now();
}
} );
}
catch ( const ou::Mqtt::runtime_error& e ) {
BOOST_LOG_TRIVIAL(error) << "mqtt error: " << e.what() << '(' << e.rc << ')';
throw e;
}
m_pWorkGuard = std::make_unique<work_guard_t>( asio::make_work_guard( io_context ) );
//asio::post( m_io_context, std::bind( &Loop::Poll, this, true, choices.nut.bEnumerate ) );
std::cout << "ctrl-c to end" << std::endl;
}
void Loop::Signals( const boost::system::error_code& error_code, int signal_number ) {
BOOST_LOG_TRIVIAL(info)
<< "signal"
<< "(" << error_code.category().name()
<< "," << error_code.value()
<< "," << signal_number
<< "): "
<< error_code.message()
;
bool bContinue( true );
switch ( signal_number ) {
case SIGHUP:
BOOST_LOG_TRIVIAL(info) << "sig hup no-op";
break;
case SIGTERM:
BOOST_LOG_TRIVIAL(info) << "sig term";
bContinue = false;
break;
case SIGQUIT:
BOOST_LOG_TRIVIAL(info) << "sig quit";
bContinue = false;
break;
case SIGABRT:
BOOST_LOG_TRIVIAL(info) << "sig abort";
bContinue = false;
break;
case SIGINT:
BOOST_LOG_TRIVIAL(info) << "sig int";
bContinue = false;
break;
case SIGPIPE:
BOOST_LOG_TRIVIAL(info) << "sig pipe";
bContinue = false;
break;
default:
break;
}
if ( bContinue ) {
m_signals.async_wait( [this]( const boost::system::error_code& error_code, int signal_number ){
Signals( error_code, signal_number );
} );
}
else {
m_pWorkGuard.reset();
bContinue = false;
}
}
void Loop::Telegram_GetMe() {
if ( m_telegram_bot ) {
m_telegram_bot->GetMe();
}
else {
BOOST_LOG_TRIVIAL(error) << "telegram bot is not available (getme)";
}
}
void Loop::Telegram_SendMessage() {
if ( m_telegram_bot ) {
m_telegram_bot->SendMessage( "mqtt2telegram test" );
}
else {
BOOST_LOG_TRIVIAL(error) << "telegram bot is not available (test)";
}
}
Loop::~Loop() {
m_pWorkGuard.reset();
m_telegram_bot.reset();
m_pMqtt->UnSubscribe( m_choices.mqtt.sTopic + "/#" );
m_pMqtt.reset();
}