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| 1 | +/* |
| 2 | +This file is part of GUFI, which is part of MarFS, which is released |
| 3 | +under the BSD license. |
| 4 | +
|
| 5 | +
|
| 6 | +Copyright (c) 2017, Los Alamos National Security (LANS), LLC |
| 7 | +All rights reserved. |
| 8 | +
|
| 9 | +Redistribution and use in source and binary forms, with or without modification, |
| 10 | +are permitted provided that the following conditions are met: |
| 11 | +
|
| 12 | +1. Redistributions of source code must retain the above copyright notice, this |
| 13 | +list of conditions and the following disclaimer. |
| 14 | +
|
| 15 | +2. Redistributions in binary form must reproduce the above copyright notice, |
| 16 | +this list of conditions and the following disclaimer in the documentation and/or |
| 17 | +other materials provided with the distribution. |
| 18 | +
|
| 19 | +3. Neither the name of the copyright holder nor the names of its contributors |
| 20 | +may be used to endorse or promote products derived from this software without |
| 21 | +specific prior written permission. |
| 22 | +
|
| 23 | +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 24 | +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 25 | +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 26 | +IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| 27 | +INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 28 | +BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 29 | +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 30 | +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 31 | +OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 32 | +ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 33 | +
|
| 34 | +
|
| 35 | +From Los Alamos National Security, LLC: |
| 36 | +LA-CC-15-039 |
| 37 | +
|
| 38 | +Copyright (c) 2017, Los Alamos National Security, LLC All rights reserved. |
| 39 | +Copyright 2017. Los Alamos National Security, LLC. This software was produced |
| 40 | +under U.S. Government contract DE-AC52-06NA25396 for Los Alamos National |
| 41 | +Laboratory (LANL), which is operated by Los Alamos National Security, LLC for |
| 42 | +the U.S. Department of Energy. The U.S. Government has rights to use, |
| 43 | +reproduce, and distribute this software. NEITHER THE GOVERNMENT NOR LOS |
| 44 | +ALAMOS NATIONAL SECURITY, LLC MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR |
| 45 | +ASSUMES ANY LIABILITY FOR THE USE OF THIS SOFTWARE. If software is |
| 46 | +modified to produce derivative works, such modified software should be |
| 47 | +clearly marked, so as not to confuse it with the version available from |
| 48 | +LANL. |
| 49 | +
|
| 50 | +THIS SOFTWARE IS PROVIDED BY LOS ALAMOS NATIONAL SECURITY, LLC AND CONTRIBUTORS |
| 51 | +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 52 | +THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 53 | +ARE DISCLAIMED. IN NO EVENT SHALL LOS ALAMOS NATIONAL SECURITY, LLC OR |
| 54 | +CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 55 | +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
| 56 | +OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 57 | +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 58 | +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| 59 | +IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
| 60 | +OF SUCH DAMAGE. |
| 61 | +*/ |
| 62 | + |
| 63 | + |
| 64 | + |
| 65 | +/* |
| 66 | + * A simple plugin for gufi_dir2index used for testing purposes. |
| 67 | + */ |
| 68 | + |
| 69 | +#include <stdio.h> |
| 70 | +#include <stdlib.h> |
| 71 | + |
| 72 | +#include "plugin.h" |
| 73 | +#include "sqlite3.h" |
| 74 | + |
| 75 | +struct state { |
| 76 | + int n_files; |
| 77 | + int n_dirs; |
| 78 | +}; |
| 79 | + |
| 80 | +static struct state *new_state(void) { |
| 81 | + struct state *new = calloc(1, sizeof *new); |
| 82 | + |
| 83 | + return new; |
| 84 | +} |
| 85 | + |
| 86 | +static void cleanup_state(struct state *p) { |
| 87 | + free(p); |
| 88 | +} |
| 89 | + |
| 90 | +/* |
| 91 | + * Set up initial state for test plugin. |
| 92 | + */ |
| 93 | +static void *db_init(sqlite3 *db) { |
| 94 | + struct state *state = new_state(); |
| 95 | + |
| 96 | + char *text = "CREATE TABLE plugin_test_files (id INTEGER PRIMARY KEY AUTOINCREMENT, filename TEXT);" |
| 97 | + "CREATE TABLE plugin_test_directories (id INTEGER PRIMARY KEY AUTOINCREMENT, dirname TEXT);" |
| 98 | + "CREATE TABLE plugin_test_summary (filetype TEXT PRIMARY KEY, count INTEGER, CHECK (filetype IN ('file', 'directory')));"; |
| 99 | + char *error; |
| 100 | + |
| 101 | + int res = sqlite3_exec(db, text, NULL, NULL, &error); |
| 102 | + if (res != SQLITE_OK) { |
| 103 | + fprintf(stderr, "test plugin: db_init(): error executing statement: %d %s\n", res, error); |
| 104 | + } |
| 105 | + |
| 106 | + sqlite3_free(error); |
| 107 | + |
| 108 | + return state; |
| 109 | +} |
| 110 | + |
| 111 | +/* |
| 112 | + * Save state to the database and clean up state. |
| 113 | + */ |
| 114 | +static void db_exit(sqlite3 *db, void *user_data) { |
| 115 | + struct state *p = (struct state *) user_data; |
| 116 | + |
| 117 | + char *text = sqlite3_mprintf("INSERT INTO plugin_test_summary (filetype, count) VALUES ('file', %d);" |
| 118 | + "INSERT INTO plugin_test_summary (filetype, count) VALUES ('directory', %d);", |
| 119 | + p->n_files, p->n_dirs); |
| 120 | + char *error; |
| 121 | + |
| 122 | + int res = sqlite3_exec(db, text, NULL, NULL, &error); |
| 123 | + if (res != SQLITE_OK) { |
| 124 | + fprintf(stderr, "test plugin: db_exit(): error executing statement: %d %s\n", |
| 125 | + res, error); |
| 126 | + } |
| 127 | + |
| 128 | + sqlite3_free(text); |
| 129 | + sqlite3_free(error); |
| 130 | + |
| 131 | + cleanup_state(p); |
| 132 | +} |
| 133 | + |
| 134 | +static void process_file(char *path, sqlite3 *db, void *user_data) { |
| 135 | + struct state *p = (struct state *) user_data; |
| 136 | + |
| 137 | + char *text = sqlite3_mprintf("INSERT INTO plugin_test_files (filename) VALUES ('%s');", path); |
| 138 | + char *error; |
| 139 | + |
| 140 | + int res = sqlite3_exec(db, text, NULL, NULL, &error); |
| 141 | + if (res == SQLITE_OK) { |
| 142 | + p->n_files += 1; |
| 143 | + } else { |
| 144 | + fprintf(stderr, "test plugin: process_file(): error executing statement: %d %s\n", |
| 145 | + res, error); |
| 146 | + } |
| 147 | + |
| 148 | + sqlite3_free(text); |
| 149 | + sqlite3_free(error); |
| 150 | +} |
| 151 | + |
| 152 | +static void process_dir(char *path, sqlite3 *db, void *user_data) { |
| 153 | + struct state *p = (struct state *) user_data; |
| 154 | + |
| 155 | + char *text = sqlite3_mprintf("INSERT INTO plugin_test_directories (dirname) VALUES ('%s');", path); |
| 156 | + char *error; |
| 157 | + |
| 158 | + int res = sqlite3_exec(db, text, NULL, NULL, &error); |
| 159 | + if (res == SQLITE_OK) { |
| 160 | + p->n_dirs += 1; |
| 161 | + } else { |
| 162 | + fprintf(stderr, "test plugin: process_dir(): error executing statement: %d %s\n", |
| 163 | + res, error); |
| 164 | + } |
| 165 | + |
| 166 | + sqlite3_free(text); |
| 167 | + sqlite3_free(error); |
| 168 | +} |
| 169 | + |
| 170 | +struct plugin_operations GUFI_PLUGIN_SYMBOL = { |
| 171 | + .db_init = db_init, |
| 172 | + .process_dir = process_dir, |
| 173 | + .process_file = process_file, |
| 174 | + .db_exit = db_exit, |
| 175 | +}; |
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