1 /* 2 * An opener for a test file containing generated content. 3 * 4 * Copyright (C) 2021 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 #include "test_file_accessor.h" 23 #include "test_file_opener.h" 24 25 #include <stdlib.h> 26 27 /* Support for providing access to files. */ 28 29 TestFileOpener::TestFileOpener(FilePaging *paging, offset_t file_size) 30 : OpenerResource(paging), _file_size(file_size) 31 { 32 } 33 34 TestFileOpener::~TestFileOpener() 35 { 36 } 37 38 bool TestFileOpener::accessing_directory(const char *path, flags_t flags, fileid_t fileid) 39 { 40 (void) path; (void) flags; (void) fileid; 41 return false; 42 } 43 44 bool TestFileOpener::accessing_file(const char *path, flags_t flags, fileid_t fileid) 45 { 46 (void) path; (void) flags; (void) fileid; 47 return true; 48 } 49 50 /* Return a file identifier for the given 'path'. */ 51 52 long TestFileOpener::get_fileid(const char *path, flags_t flags, fileid_t *fileid) 53 { 54 (void) flags; 55 56 /* NOTE: Just convert the path to a number. */ 57 58 *fileid = atol(path); 59 return L4_EOK; 60 } 61 62 /* Return a new accessor for 'fileid'. */ 63 64 long TestFileOpener::make_accessor(const char *path, flags_t flags, 65 fileid_t fileid, Accessor **accessor) 66 { 67 (void) flags; (void) path; 68 *accessor = new TestFileAccessor(fileid, _file_size); 69 return L4_EOK; 70 } 71 72 /* Return a new directory accessor for 'fileid'. */ 73 74 long TestFileOpener::make_directory_accessor(const char *path, flags_t flags, 75 fileid_t fileid, 76 DirectoryAccessor **accessor) 77 { 78 (void) flags; (void) path; (void) fileid; (void) accessor; 79 return -L4_EIO; 80 } 81 82 // vim: tabstop=4 expandtab shiftwidth=4