Fulcrum/Logger.cpp
Calin Culianu a831cce8ac
Modified license preamble to say "Bitcoin Cash" instead of "Electron Cash"
The hope is maybe people will adopt this with other wallets...
2019-12-28 23:48:24 +02:00

102 lines
2.8 KiB
C++

//
// Fulcrum - A fast & nimble SPV Server for Bitcoin Cash
// Copyright (C) 2019-2020 Calin A. Culianu <calin.culianu@gmail.com>
//
// 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 (see LICENSE.txt). If not, see
// <https://www.gnu.org/licenses/>.
//
#include <QCoreApplication>
#include <QTimer>
#include <cstdlib>
#include "Common.h"
#include "Logger.h"
namespace {
void loggerCommon(int level, const QString &)
{
if (level == Logger::Fatal) {
if (qApp && !QCoreApplication::startingUp())
QTimer::singleShot(0, qApp, []{qApp->exit(1);});
else
std::exit(1);
}
}
}
Logger::Logger(QObject *parent) : QObject(parent)
{
connect(this, &Logger::log, this, [this](int level, const QString &line){
// we do it in a closure because in this c'tor gotLine isn't defined yet (pure virtual)
gotLine(level, line);
});
}
Logger::~Logger() {}
#include <iostream>
#include <stdio.h>
#ifdef Q_OS_UNIX
# include <unistd.h>
# include <syslog.h>
#endif
ConsoleLogger::ConsoleLogger(QObject *p, bool stdOut)
: Logger(p), stdOut(stdOut)
{}
void ConsoleLogger::gotLine(int level, const QString &l) {
(stdOut ? std::cout : std::cerr)
<< l.toUtf8().constData()
<< std::endl << std::flush;
loggerCommon(level, l);
}
bool ConsoleLogger::isaTTY() const {
#ifdef Q_OS_WIN
return false; // console control chars don't reliably work on windows. disable color always
#else
int fd = fileno(stdOut ? stdout : stderr);
return isatty(fd);
#endif
}
#ifdef Q_OS_UNIX
/* static */ bool SysLogger::opened = false;
SysLogger::SysLogger(QObject *parent)
: ConsoleLogger (parent)
{
if (!opened) {
openlog(APPNAME, LOG_CONS|LOG_NDELAY|LOG_PID, LOG_DAEMON);
setlogmask(LOG_UPTO(LOG_DEBUG));
opened = true;
}
}
void SysLogger::gotLine(int level, const QString &l)
{
if (!opened) {
ConsoleLogger::gotLine(level, l);
return;
}
int ulevel = LOG_NOTICE;
switch (level) {
case Warning: ulevel = LOG_WARNING; break;
case Fatal:
case Critical: ulevel = LOG_CRIT; break;
case Debug: ulevel = LOG_DEBUG; break;
}
syslog(ulevel, "%s", l.toUtf8().constData());
loggerCommon(level, l);
}
#endif