/*
 * Copyright (c) 2015 Advanced Micro Devices, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Authors: David Hashe
 */

#include "sim/redirect_path.hh"

#include <unistd.h>

#include <cassert>
#include <climits>
#include <cstdlib>
#include <string>
#include <vector>

#include "base/logging.hh"
#include "base/str.hh"

std::string normalizePath(std::string path);

RedirectPath::RedirectPath(const RedirectPathParams *p)
    : SimObject(p)
{
    _src = normalizePath(p->src);

    for (auto d : p->dests) {
        _dests.push_back(normalizePath(d));
    }
}

std::string
normalizePath(std::string path)
{
    char buf[PATH_MAX];
    std::string gem5_cwd = getcwd(buf, PATH_MAX);

    if (!startswith(path, "/")) {
        path = realpath((gem5_cwd + "/" + path).c_str(), buf);
    }
    if (path[path.length()-1] != '/') path.push_back('/');

    return path;
}

RedirectPath*
RedirectPathParams::create()
{
    return new RedirectPath(this);
}