/*

 * An object for a "host" directory provided via the C library.

 *

 * Copyright (C) 2021 Paul Boddie <paul@boddie.org.uk>

 *

 * 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 2 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 <dirent.h>

#include <stdlib.h>

#include <string.h>

#include <fsclient/client.h>

#include "host_directory_accessor.h"

/* Initialise the accessor, copying the path. */

HostDirectoryAccessor::HostDirectoryAccessor(const char *path)

{

    _path = strdup(path);

}

/* Release the copied path upon deletion. */

HostDirectoryAccessor::~HostDirectoryAccessor()

{

    if (_path != NULL)

        free(_path);

}

/* Write directory entries to the given 'writer'. */

void HostDirectoryAccessor::read_directory(file_t *writer)

{

    DIR *dir = opendir(_path);

    struct dirent *dirent;

    /* Write directory entries to the pipe, closing the pipe when finished. */

    while ((dirent = readdir(dir)) != NULL)

    {

        offset_t nwritten = client_write(writer, (const void *) dirent, dirent->d_reclen);

        /* Stop writing if the pipe is closed. */

        if (nwritten < dirent->d_reclen)

            break;

    }

}

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