98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
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#include "message_handler.h"
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#include <QDateTime>
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#include <cstring>
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#include <QString>
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#include <QFileInfo>
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#include <QMessageLogContext>
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static char const *DBG_NAME[] = { "DBG ", "WARN ", "CRIT ", "FATAL", "INFO " };
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static bool installedMsgHandler = false;
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static int debugLevel = LOG_NOTICE;
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int getDebugLevel() { return debugLevel; }
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void setDebugLevel(int newDebugLevel) {
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debugLevel = newDebugLevel;
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}
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bool messageHandlerInstalled() {
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return installedMsgHandler;
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}
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QtMessageHandler atbInstallMessageHandler(QtMessageHandler handler) {
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installedMsgHandler = (handler != 0);
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static QtMessageHandler prevHandler = nullptr;
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if (handler) {
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prevHandler = qInstallMessageHandler(handler);
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return prevHandler;
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} else {
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return qInstallMessageHandler(prevHandler);
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}
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}
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///
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/// \brief Print message according to given debug level.
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///
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/// \note Install this function using qInstallMsgHandler().
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///
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/// int main(int argc, char **argv) {
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/// installMsgHandler(atbDebugOutput);
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/// QApplication app(argc, argv);
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/// ...
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/// return app.exec();
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/// }
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///
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#if (QT_VERSION > QT_VERSION_CHECK(5, 0, 0) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
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void atbDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg) {
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Q_UNUSED(context);
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QString const localMsg = QString(DBG_NAME[type]) + msg.toLocal8Bit();
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switch (debugLevel) {
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case LOG_DEBUG: { // debug-level message
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syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
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} break;
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case LOG_INFO: { // informational message
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if (type != QtDebugMsg) {
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syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
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}
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} break;
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case LOG_NOTICE: { // normal, but significant, condition
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if (type != QtDebugMsg) {
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syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
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}
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} break;
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case LOG_WARNING: { // warning conditions
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if (type != QtInfoMsg && type != QtDebugMsg) {
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syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
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}
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} break;
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case LOG_ERR: { // error conditions
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if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
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syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
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}
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} break;
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case LOG_CRIT: { // critical conditions
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if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
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syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
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}
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} break;
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case LOG_ALERT: { // action must be taken immediately
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if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
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syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
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}
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} break;
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case LOG_EMERG: { // system is unusable
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if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
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syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
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}
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} break;
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default: {
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//fprintf(stderr, "%s No ErrorLevel defined! %s\n",
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// datetime.toStdString().c_str(), msg.toStdString().c_str());
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}
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}
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}
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#endif
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