file_response.cpp

/*
     This file is part of libhttpserver
     Copyright (C) 2011-2019 Sebastiano Merlino

     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 of the License, or (at your option) any later version.

     This library 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 library; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
     USA
*/

#include <fcntl.h>
#include "file_response.hpp"

using namespace std;

namespace httpserver
{

MHD_Response* file_response::get_raw_response()
{
    int fd = open(filename.c_str(), O_RDONLY);
    size_t size = lseek(fd, 0, SEEK_END);
    if(size)
    {
        return MHD_create_response_from_fd(size, fd);
    }
    else
    {
        return MHD_create_response_from_buffer(
                0,
                (void*) "",
                MHD_RESPMEM_PERSISTENT
        );
    }
}

}