t/unit/core/store_json_test.c

   1 /*
   2  * SysDB - t/unit/core/store_json_test.c
   3  * Copyright (C) 2014 Sebastian 'tokkee' Harl <sh@tokkee.org>
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  17  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  18  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
  19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #if HAVE_CONFIG_H
  29 #       include "config.h"
  30 #endif
  31
  32 #include "core/store.h"
  33 #include "testutils.h"
  34
  35 #include <check.h>
  36 #include <stdlib.h>
  37
  38 /* Make SDB_INTERVAL_SECOND a constant initializer. */
  39 #undef SDB_INTERVAL_SECOND
  40 #define SDB_INTERVAL_SECOND 1000000000L
  41
  42 static sdb_store_t *store;
  43
  44 static void
  45 populate(void)
  46 {
  47         sdb_data_t datum;
  48
  49         store = sdb_store_create();
  50         ck_assert(store != NULL);
  51
  52         sdb_store_host(store, "h1", 1 * SDB_INTERVAL_SECOND);
  53         sdb_store_host(store, "h2", 3 * SDB_INTERVAL_SECOND);
  54
  55         datum.type = SDB_TYPE_STRING;
  56         datum.data.string = "v1";
  57         sdb_store_attribute(store, "h1", "k1", &datum, 1 * SDB_INTERVAL_SECOND);
  58         datum.data.string = "v2";
  59         sdb_store_attribute(store, "h1", "k2", &datum, 2 * SDB_INTERVAL_SECOND);
  60         datum.data.string = "v3";
  61         sdb_store_attribute(store, "h1", "k3", &datum, 2 * SDB_INTERVAL_SECOND);
  62
  63         /* make sure that older updates don't overwrite existing values */
  64         datum.data.string = "fail";
  65         sdb_store_attribute(store, "h1", "k2", &datum, 1 * SDB_INTERVAL_SECOND);
  66         sdb_store_attribute(store, "h1", "k3", &datum, 2 * SDB_INTERVAL_SECOND);
  67
  68         sdb_store_metric(store, "h1", "m1", /* store */ NULL, 2 * SDB_INTERVAL_SECOND);
  69         sdb_store_metric(store, "h1", "m2", /* store */ NULL, 1 * SDB_INTERVAL_SECOND);
  70         sdb_store_metric(store, "h2", "m1", /* store */ NULL, 1 * SDB_INTERVAL_SECOND);
  71
  72         sdb_store_service(store, "h2", "s1", 1 * SDB_INTERVAL_SECOND);
  73         sdb_store_service(store, "h2", "s2", 2 * SDB_INTERVAL_SECOND);
  74
  75         datum.type = SDB_TYPE_INTEGER;
  76         datum.data.integer = 42;
  77         sdb_store_metric_attr(store, "h1", "m1", "k3",
  78                         &datum, 2 * SDB_INTERVAL_SECOND);
  79
  80         datum.data.integer = 123;
  81         sdb_store_service_attr(store, "h2", "s2", "k1",
  82                         &datum, 2 * SDB_INTERVAL_SECOND);
  83         datum.data.integer = 4711;
  84         sdb_store_service_attr(store, "h2", "s2", "k2",
  85                         &datum, 1 * SDB_INTERVAL_SECOND);
  86
  87         /* don't overwrite k1 */
  88         datum.data.integer = 666;
  89         sdb_store_service_attr(store, "h2", "s2", "k1",
  90                         &datum, 2 * SDB_INTERVAL_SECOND);
  91 } /* populate */
  92
  93 static void
  94 turndown(void)
  95 {
  96         sdb_object_deref(SDB_OBJ(store));
  97         store = NULL;
  98 } /* turndown */
  99
 100 static int
 101 scan_tojson(sdb_store_obj_t *obj,
 102                 sdb_store_matcher_t __attribute__((unused)) *filter,
 103                 void *user_data)
 104 {
 105         sdb_store_json_formatter_t *f = user_data;
 106         return sdb_store_json_emit(f, obj);
 107 } /* scan_tojson */
 108
 109 static int
 110 scan_tojson_full(sdb_store_obj_t *obj, sdb_store_matcher_t *filter,
 111                 void *user_data)
 112 {
 113         sdb_store_json_formatter_t *f = user_data;
 114         return sdb_store_json_emit_full(f, obj, filter);
 115 } /* scan_tojson_full */
 116
 117 static void
 118 verify_json_output(sdb_strbuf_t *buf, const char *expected)
 119 {
 120         const char *got = sdb_strbuf_string(buf);
 121         size_t len1 = strlen(got);
 122         size_t len2 = strlen(expected);
 123
 124         size_t i;
 125         int pos = -1;
 126
 127         if (len1 != len2)
 128                 pos = (int)SDB_MIN(len1, len2);
 129
 130         for (i = 0; i < SDB_MIN(len1, len2); ++i) {
 131                 if (got[i] != expected[i]) {
 132                         pos = (int)i;
 133                         break;
 134                 }
 135         }
 136
 137         fail_unless(pos == -1,
 138                         "Serializing hosts to JSON returned unexpected result\n"
 139                         "         got: %s\n              %*s\n    expected: %s",
 140                         got, pos + 1, "^", expected);
 141 } /* verify_json_output */
 142
 143 struct {
 144         struct {
 145                 sdb_store_matcher_t *(*m)(sdb_store_expr_t *, sdb_store_expr_t *);
 146                 int field;
 147                 sdb_data_t value;
 148         } filter;
 149         int type;
 150         int (*f)(sdb_store_obj_t *, sdb_store_matcher_t *, void *);
 151         const char *expected;
 152 } store_tojson_data[] = {
 153         { { NULL, 0, SDB_DATA_INIT },
 154                 SDB_HOST, scan_tojson_full,
 155                 "["
 156                         "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:01 +0000\", "
 157                                 "\"update_interval\": \"0s\", \"backends\": [], "
 158                                 "\"attributes\": ["
 159                                         "{\"name\": \"k1\", \"value\": \"v1\", "
 160                                                 "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
 161                                                 "\"update_interval\": \"0s\", \"backends\": []},"
 162                                         "{\"name\": \"k2\", \"value\": \"v2\", "
 163                                                 "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
 164                                                 "\"update_interval\": \"0s\", \"backends\": []},"
 165                                         "{\"name\": \"k3\", \"value\": \"v3\", "
 166                                                 "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
 167                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 168                                 "], "
 169                                 "\"metrics\": ["
 170                                         "{\"name\": \"m1\", "
 171                                                 "\"timeseries\": false, "
 172                                                 "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
 173                                                 "\"update_interval\": \"0s\", \"backends\": [], "
 174                                                 "\"attributes\": ["
 175                                                         "{\"name\": \"k3\", \"value\": 42, "
 176                                                                 "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
 177                                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 178                                                 "]},"
 179                                         "{\"name\": \"m2\", "
 180                                                 "\"timeseries\": false, "
 181                                                 "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
 182                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 183                                 "]},"
 184                         "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:03 +0000\", "
 185                                 "\"update_interval\": \"0s\", \"backends\": [], "
 186                                 "\"metrics\": ["
 187                                         "{\"name\": \"m1\", "
 188                                                 "\"timeseries\": false, "
 189                                                 "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
 190                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 191                                 "], "
 192                                 "\"services\": ["
 193                                         "{\"name\": \"s1\", "
 194                                                 "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
 195                                                 "\"update_interval\": \"0s\", \"backends\": []},"
 196                                         "{\"name\": \"s2\", "
 197                                                 "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
 198                                                 "\"update_interval\": \"0s\", \"backends\": [], "
 199                                                 "\"attributes\": ["
 200                                                         "{\"name\": \"k1\", \"value\": 123, "
 201                                                                 "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
 202                                                                 "\"update_interval\": \"0s\", \"backends\": []},"
 203                                                         "{\"name\": \"k2\", \"value\": 4711, "
 204                                                                 "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
 205                                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 206                                                 "]}"
 207                                 "]}"
 208                 "]" },
 209         { { NULL, 0, SDB_DATA_INIT },
 210                 SDB_HOST, scan_tojson,
 211                 "["
 212                         "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:01 +0000\", "
 213                                 "\"update_interval\": \"0s\", \"backends\": []},"
 214                         "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:03 +0000\", "
 215                                 "\"update_interval\": \"0s\", \"backends\": []}"
 216                 "]" },
 217         { { sdb_store_eq_matcher, SDB_FIELD_NAME,
 218                         { SDB_TYPE_STRING, { .string = "h1" } } },
 219                 SDB_HOST, scan_tojson_full,
 220                 "["
 221                         "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:01 +0000\", "
 222                                 "\"update_interval\": \"0s\", \"backends\": []}"
 223                 "]" },
 224         { { sdb_store_gt_matcher, SDB_FIELD_LAST_UPDATE,
 225                         { SDB_TYPE_DATETIME, { .datetime = 1 * SDB_INTERVAL_SECOND } } },
 226                 SDB_HOST, scan_tojson_full,
 227                 "["
 228                         "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:03 +0000\", "
 229                                 "\"update_interval\": \"0s\", \"backends\": [], "
 230                                 "\"services\": ["
 231                                         "{\"name\": \"s2\", "
 232                                                 "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
 233                                                 "\"update_interval\": \"0s\", \"backends\": [], "
 234                                                 "\"attributes\": ["
 235                                                         "{\"name\": \"k1\", \"value\": 123, "
 236                                                                 "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
 237                                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 238                                                 "]}"
 239                                 "]}"
 240                 "]" },
 241         { { sdb_store_le_matcher, SDB_FIELD_LAST_UPDATE,
 242                         { SDB_TYPE_DATETIME, { .datetime = 1 * SDB_INTERVAL_SECOND } } },
 243                 SDB_HOST, scan_tojson_full,
 244                 "["
 245                         "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:01 +0000\", "
 246                                 "\"update_interval\": \"0s\", \"backends\": [], "
 247                                 "\"attributes\": ["
 248                                         "{\"name\": \"k1\", \"value\": \"v1\", "
 249                                                 "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
 250                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 251                                 "], "
 252                                 "\"metrics\": ["
 253                                         "{\"name\": \"m2\", "
 254                                                 "\"timeseries\": false, "
 255                                                 "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
 256                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 257                                 "]}"
 258                 "]" },
 259         { { sdb_store_ge_matcher, SDB_FIELD_LAST_UPDATE,
 260                         { SDB_TYPE_DATETIME, { .datetime = 3 * SDB_INTERVAL_SECOND } } },
 261                 SDB_HOST, scan_tojson_full,
 262                 "["
 263                         "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:03 +0000\", "
 264                                 "\"update_interval\": \"0s\", \"backends\": []}"
 265                 "]" },
 266         { { sdb_store_lt_matcher, SDB_FIELD_LAST_UPDATE,
 267                         { SDB_TYPE_DATETIME, { .datetime = 0 } } },
 268                 SDB_HOST, scan_tojson_full,
 269                 "[]" },
 270
 271         { { NULL, 0, SDB_DATA_INIT },
 272                 SDB_SERVICE, scan_tojson_full,
 273                 "["
 274                         "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:03 +0000\", "
 275                                 "\"update_interval\": \"0s\", \"backends\": [], "
 276                                 "\"services\": ["
 277                                         "{\"name\": \"s1\", "
 278                                                 "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
 279                                                 "\"update_interval\": \"0s\", \"backends\": []},"
 280                                         "{\"name\": \"s2\", "
 281                                                 "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
 282                                                 "\"update_interval\": \"0s\", \"backends\": [], "
 283                                                 "\"attributes\": ["
 284                                                         "{\"name\": \"k1\", \"value\": 123, "
 285                                                                 "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
 286                                                                 "\"update_interval\": \"0s\", \"backends\": []},"
 287                                                         "{\"name\": \"k2\", \"value\": 4711, "
 288                                                                 "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
 289                                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 290                                                 "]}"
 291                                 "]}"
 292                 "]" },
 293         { { NULL, 0, SDB_DATA_INIT },
 294                 SDB_SERVICE, scan_tojson,
 295                 "["
 296                         "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:03 +0000\", "
 297                                 "\"update_interval\": \"0s\", \"backends\": [], "
 298                                 "\"services\": ["
 299                                         "{\"name\": \"s1\", "
 300                                                 "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
 301                                                 "\"update_interval\": \"0s\", \"backends\": []},"
 302                                         "{\"name\": \"s2\", "
 303                                                 "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
 304                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 305                                 "]}"
 306                 "]" },
 307         { { sdb_store_gt_matcher, SDB_FIELD_LAST_UPDATE,
 308                         { SDB_TYPE_DATETIME, { .datetime = 1 * SDB_INTERVAL_SECOND } } },
 309                 SDB_SERVICE, scan_tojson_full,
 310                 "["
 311                         "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:03 +0000\", "
 312                                 "\"update_interval\": \"0s\", \"backends\": [], "
 313                                 "\"services\": ["
 314                                         "{\"name\": \"s2\", "
 315                                                 "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
 316                                                 "\"update_interval\": \"0s\", \"backends\": [], "
 317                                                 "\"attributes\": ["
 318                                                         "{\"name\": \"k1\", \"value\": 123, "
 319                                                                 "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
 320                                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 321                                                 "]}"
 322                                 "]}"
 323                 "]" },
 324         { { sdb_store_lt_matcher, SDB_FIELD_LAST_UPDATE,
 325                         { SDB_TYPE_DATETIME, { .datetime = 0 } } },
 326                 SDB_SERVICE, scan_tojson_full,
 327                 "[]" },
 328         { { NULL, 0, SDB_DATA_INIT },
 329                 SDB_METRIC, scan_tojson_full,
 330                 "["
 331                         "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:01 +0000\", "
 332                                 "\"update_interval\": \"0s\", \"backends\": [], "
 333                                 "\"metrics\": ["
 334                                         "{\"name\": \"m1\", "
 335                                                 "\"timeseries\": false, "
 336                                                 "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
 337                                                 "\"update_interval\": \"0s\", \"backends\": [], "
 338                                                 "\"attributes\": ["
 339                                                         "{\"name\": \"k3\", \"value\": 42, "
 340                                                                 "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
 341                                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 342                                                 "]},"
 343                                         "{\"name\": \"m2\", "
 344                                                 "\"timeseries\": false, "
 345                                                 "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
 346                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 347                                 "]},"
 348                         "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:03 +0000\", "
 349                                 "\"update_interval\": \"0s\", \"backends\": [], "
 350                                 "\"metrics\": ["
 351                                         "{\"name\": \"m1\", "
 352                                                 "\"timeseries\": false, "
 353                                                 "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
 354                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 355                                 "]}"
 356                 "]" },
 357         { { NULL, 0, SDB_DATA_INIT },
 358                 SDB_METRIC, scan_tojson,
 359                 "["
 360                         "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:01 +0000\", "
 361                                 "\"update_interval\": \"0s\", \"backends\": [], "
 362                                 "\"metrics\": ["
 363                                         "{\"name\": \"m1\", "
 364                                                 "\"timeseries\": false, "
 365                                                 "\"last_update\": \"1970-01-01 00:00:02 +0000\", "
 366                                                 "\"update_interval\": \"0s\", \"backends\": []},"
 367                                         "{\"name\": \"m2\", "
 368                                                 "\"timeseries\": false, "
 369                                                 "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
 370                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 371                                 "]},"
 372                         "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:03 +0000\", "
 373                                 "\"update_interval\": \"0s\", \"backends\": [], "
 374                                 "\"metrics\": ["
 375                                         "{\"name\": \"m1\", "
 376                                                 "\"timeseries\": false, "
 377                                                 "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
 378                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 379                                 "]}"
 380                 "]" },
 381         { { sdb_store_le_matcher, SDB_FIELD_LAST_UPDATE,
 382                         { SDB_TYPE_DATETIME, { .datetime = 1 * SDB_INTERVAL_SECOND } } },
 383                 SDB_METRIC, scan_tojson_full,
 384                 "["
 385                         "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:01 +0000\", "
 386                                 "\"update_interval\": \"0s\", \"backends\": [], "
 387                                 "\"metrics\": ["
 388                                         "{\"name\": \"m2\", "
 389                                                 "\"timeseries\": false, "
 390                                                 "\"last_update\": \"1970-01-01 00:00:01 +0000\", "
 391                                                 "\"update_interval\": \"0s\", \"backends\": []}"
 392                                 "]}"
 393                 "]" },
 394         { { sdb_store_lt_matcher, SDB_FIELD_LAST_UPDATE,
 395                         { SDB_TYPE_DATETIME, { .datetime = 0 } } },
 396                 SDB_METRIC, scan_tojson_full,
 397                 "[]" },
 398 };
 399
 400 START_TEST(test_store_tojson)
 401 {
 402         sdb_strbuf_t *buf = sdb_strbuf_create(0);
 403         sdb_store_matcher_t *filter = NULL;
 404         sdb_store_json_formatter_t *f;
 405         int status;
 406
 407         if (store_tojson_data[_i].filter.m) {
 408                 sdb_store_expr_t *field;
 409                 sdb_store_expr_t *value;
 410
 411                 field = sdb_store_expr_fieldvalue(store_tojson_data[_i].filter.field);
 412                 fail_unless(field != NULL,
 413                                 "INTERNAL ERROR: sdb_store_expr_fieldvalue() = NULL");
 414                 value = sdb_store_expr_constvalue(&store_tojson_data[_i].filter.value);
 415                 fail_unless(value != NULL,
 416                                 "INTERNAL ERROR: sdb_store_expr_constvalue() = NULL");
 417
 418                 filter = store_tojson_data[_i].filter.m(field, value);
 419                 fail_unless(filter != NULL,
 420                                 "INTERNAL ERROR: sdb_store_*_matcher() = NULL");
 421
 422                 sdb_object_deref(SDB_OBJ(field));
 423                 sdb_object_deref(SDB_OBJ(value));
 424         }
 425
 426         sdb_strbuf_clear(buf);
 427         f = sdb_store_json_formatter(buf,
 428                         store_tojson_data[_i].type, SDB_WANT_ARRAY);
 429         ck_assert(f != NULL);
 430
 431         status = sdb_store_scan(store, store_tojson_data[_i].type,
 432                         /* m = */ NULL, filter, store_tojson_data[_i].f, f);
 433         fail_unless(status == 0,
 434                         "sdb_store_scan(HOST, ..., tojson) = %d; expected: 0",
 435                         status);
 436         sdb_store_json_finish(f);
 437
 438         verify_json_output(buf, store_tojson_data[_i].expected);
 439
 440         sdb_object_deref(SDB_OBJ(filter));
 441         sdb_object_deref(SDB_OBJ(f));
 442         sdb_strbuf_destroy(buf);
 443 }
 444 END_TEST
 445
 446 TEST_MAIN("core::store_json")
 447 {
 448         TCase *tc = tcase_create("core");
 449         tcase_add_unchecked_fixture(tc, populate, turndown);
 450         TC_ADD_LOOP_TEST(tc, store_tojson);
 451         ADD_TCASE(tc);
 452 }
 453 TEST_MAIN_END
 454
 455 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */
 456