L4Re/departure

libfsserver/include/fsserver/test_file_opener.h

618:7123a7307a82
8 months ago Paul Boddie Introduced some debugging output control.
     1 /*     2  * An opener for a test file containing generated content.     3  *     4  * Copyright (C) 2021, 2022 Paul Boddie <paul@boddie.org.uk>     5  *     6  * This program is free software; you can redistribute it and/or     7  * modify it under the terms of the GNU General Public License as     8  * published by the Free Software Foundation; either version 2 of     9  * the License, or (at your option) any later version.    10  *    11  * This program is distributed in the hope that it will be useful,    12  * but WITHOUT ANY WARRANTY; without even the implied warranty of    13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    14  * GNU General Public License for more details.    15  *    16  * You should have received a copy of the GNU General Public License    17  * along with this program; if not, write to the Free Software    18  * Foundation, Inc., 51 Franklin Street, Fifth Floor,    19  * Boston, MA  02110-1301, USA    20  */    21     22 #pragma once    23     24 #include <fsserver/opener_resource.h>    25     26     27     28 /* Support for providing access to files. */    29     30 class TestFileOpener : public OpenerResource    31 {    32 protected:    33     offset_t _file_size;    34     35     /* Convenience methods determining different object types. */    36     37     virtual bool accessing_directory(flags_t flags, fileid_t fileid);    38     39     virtual bool accessing_file(flags_t flags, fileid_t fileid);    40     41     virtual bool directory_is_empty(fileid_t fileid);    42     43 public:    44     explicit TestFileOpener(ResourceRegistry *registry, offset_t file_size=0);    45     46     virtual ~TestFileOpener();    47     48     /* Configurable methods. */    49     50     virtual long get_fileid(const char *path, flags_t flags, fileid_t *fileid);    51     52     virtual long make_accessor(flags_t flags, fileid_t fileid,    53                                Accessor **accessor);    54     55     virtual long make_directory_accessor(flags_t flags, fileid_t fileid,    56                                          DirectoryAccessor **accessor);    57     58     /* Filesystem object access and manipulation methods. */    59     60     virtual long make_directory_object(const char *path, sys_mode_t mode);    61     62     virtual long remove_object(fileid_t fileid);    63     64     virtual long rename_object(const char *source, const char *target);    65     66     virtual long stat_object(const char *path, void *base, offset_t size);    67     68     virtual long unlink_object(fileid_t parent_fileid, fileid_t fileid);    69 };    70     71 // vim: tabstop=4 expandtab shiftwidth=4