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// Copyright (C) 2020-2022 Joel Rosdahl and other contributors
//
// See doc/AUTHORS.adoc for a complete list of contributors.
//
// 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; if not, write to the Free Software Foundation, Inc., 51
// Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#include "MiniTrace.hpp"
#include "ArgsInfo.hpp"
#include "TemporaryFile.hpp"
#include "Util.hpp"
#include "fmtmacros.hpp"
#include <core/wincompat.hpp>
#include <util/TimePoint.hpp>
#include <limits.h> // NOLINT: PATH_MAX is defined in limits.h
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
namespace {
std::string
get_system_tmp_dir()
{
#ifndef _WIN32
const char* tmpdir = getenv("TMPDIR");
if (tmpdir) {
return tmpdir;
}
#else
static char dirbuf[PATH_MAX];
DWORD retval = GetTempPath(PATH_MAX, dirbuf);
if (retval > 0 && retval < PATH_MAX) {
return dirbuf;
}
#endif
return "/tmp";
}
} // namespace
MiniTrace::MiniTrace(const ArgsInfo& args_info)
: m_args_info(args_info),
m_trace_id(reinterpret_cast<void*>(getpid()))
{
TemporaryFile tmp_file(get_system_tmp_dir() + "/ccache-trace");
m_tmp_trace_file = tmp_file.path;
mtr_init(m_tmp_trace_file.c_str());
auto now = util::TimePoint::now();
m_start_time = FMT("{}.{:06}", now.sec(), now.nsec_decimal_part() / 1000);
MTR_INSTANT_C("", "", "time", m_start_time.c_str());
MTR_META_PROCESS_NAME("ccache");
MTR_START("program", "ccache", m_trace_id);
}
MiniTrace::~MiniTrace()
{
MTR_FINISH("program", "ccache", m_trace_id);
mtr_flush();
mtr_shutdown();
if (!m_args_info.output_obj.empty()) {
Util::copy_file(m_tmp_trace_file, m_args_info.output_obj + ".ccache-trace");
}
Util::unlink_tmp(m_tmp_trace_file);
}
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