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/*
* Copyright (C) 2015 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3 as
* published by the Free Software Foundation.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Michi Henning <michi.henning@canonical.com>
*/
#include <unity/storage/internal/TraceMessageHandler.h>
#include <chrono>
#include <mutex>
using namespace std;
namespace unity
{
namespace storage
{
namespace internal
{
namespace
{
string prefix;
void trace_message_handler(QtMsgType type, const QMessageLogContext& /*context*/, const QString& msg)
{
using namespace std;
using namespace std::chrono;
static recursive_mutex mutex;
lock_guard<decltype(mutex)> lock(mutex);
auto now = system_clock::now();
auto sys_time = system_clock::to_time_t(now);
struct tm local_time;
localtime_r(&sys_time, &local_time);
int msecs = duration_cast<milliseconds>(now.time_since_epoch()).count() % 1000;
if (!prefix.empty())
{
fprintf(stderr, "%s: ", prefix.c_str());
}
char buf[100];
strftime(buf, sizeof(buf), "%T", &local_time);
fprintf(stderr, "[%s.%03d]", buf, msecs);
switch (type)
{
case QtWarningMsg:
fputs(" Warning:", stderr);
break;
case QtCriticalMsg:
fputs(" Critical:", stderr);
break;
// LCOV_EXCL_START
case QtFatalMsg:
fputs(" Fatal:", stderr);
break;
// LCOV_EXCL_STOP
default:
break; // No label for debug messages.
}
fprintf(stderr, " %s\n", msg.toLocal8Bit().constData());
if (type == QtFatalMsg)
{
abort(); // LCOV_EXCL_LINE
}
}
} // namespace
TraceMessageHandler::TraceMessageHandler(string const& prog_name)
{
prefix = prog_name;
old_message_handler_ = qInstallMessageHandler(trace_message_handler);
}
TraceMessageHandler::~TraceMessageHandler()
{
qInstallMessageHandler(old_message_handler_);
}
} // namespace internal
} // namespace storage
} // namespace unity
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