tests/unit/test-util-filemonitor.c

   1 /*
   2  * Tests for util/filemonitor-*.c
   3  *
   4  * Copyright 2018 Red Hat, Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (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 library; if not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #include "qemu/osdep.h"
  22 #include "qemu/main-loop.h"
  23 #include "qapi/error.h"
  24 #include "qemu/filemonitor.h"
  25
  26 #include <glib/gstdio.h>
  27
  28 #include <utime.h>
  29
  30 enum {
  31     QFILE_MONITOR_TEST_OP_ADD_WATCH,
  32     QFILE_MONITOR_TEST_OP_DEL_WATCH,
  33     QFILE_MONITOR_TEST_OP_EVENT,
  34     QFILE_MONITOR_TEST_OP_CREATE,
  35     QFILE_MONITOR_TEST_OP_APPEND,
  36     QFILE_MONITOR_TEST_OP_TRUNC,
  37     QFILE_MONITOR_TEST_OP_RENAME,
  38     QFILE_MONITOR_TEST_OP_TOUCH,
  39     QFILE_MONITOR_TEST_OP_UNLINK,
  40     QFILE_MONITOR_TEST_OP_MKDIR,
  41     QFILE_MONITOR_TEST_OP_RMDIR,
  42 };
  43
  44 typedef struct {
  45     int type;
  46     const char *filesrc;
  47     const char *filedst;
  48     int64_t *watchid;
  49     int eventid;
  50     /*
  51      * Only valid with OP_EVENT - this event might be
  52      * swapped with the next OP_EVENT
  53      */
  54     bool swapnext;
  55 } QFileMonitorTestOp;
  56
  57 typedef struct {
  58     int64_t id;
  59     QFileMonitorEvent event;
  60     char *filename;
  61 } QFileMonitorTestRecord;
  62
  63
  64 typedef struct {
  65     QemuMutex lock;
  66     GList *records;
  67 } QFileMonitorTestData;
  68
  69 static QemuMutex evlock;
  70 static bool evstopping;
  71 static bool evrunning;
  72 static bool debug;
  73
  74 /*
  75  * Main function for a background thread that is
  76  * running the event loop during the test
  77  */
  78 static void *
  79 qemu_file_monitor_test_event_loop(void *opaque G_GNUC_UNUSED)
  80 {
  81     qemu_mutex_lock(&evlock);
  82
  83     while (!evstopping) {
  84         qemu_mutex_unlock(&evlock);
  85         main_loop_wait(true);
  86         qemu_mutex_lock(&evlock);
  87     }
  88
  89     evrunning = false;
  90     qemu_mutex_unlock(&evlock);
  91     return NULL;
  92 }
  93
  94
  95 /*
  96  * File monitor event handler which simply maintains
  97  * an ordered list of all events that it receives
  98  */
  99 static void
 100 qemu_file_monitor_test_handler(int64_t id,
 101                                QFileMonitorEvent event,
 102                                const char *filename,
 103                                void *opaque)
 104 {
 105     QFileMonitorTestData *data = opaque;
 106     QFileMonitorTestRecord *rec = g_new0(QFileMonitorTestRecord, 1);
 107
 108     if (debug) {
 109         g_printerr("Queue event id %" PRIx64 " event %d file %s\n",
 110                    id, event, filename);
 111     }
 112     rec->id = id;
 113     rec->event = event;
 114     rec->filename = g_strdup(filename);
 115
 116     qemu_mutex_lock(&data->lock);
 117     data->records = g_list_append(data->records, rec);
 118     qemu_mutex_unlock(&data->lock);
 119 }
 120
 121
 122 static void
 123 qemu_file_monitor_test_record_free(QFileMonitorTestRecord *rec)
 124 {
 125     g_free(rec->filename);
 126     g_free(rec);
 127 }
 128
 129
 130 /*
 131  * Get the next event record that has been received by
 132  * the file monitor event handler. Since events are
 133  * emitted in the background thread running the event
 134  * loop, we can't assume there is a record available
 135  * immediately. Thus we will sleep for up to 5 seconds
 136  * to wait for the event to be queued for us.
 137  */
 138 static QFileMonitorTestRecord *
 139 qemu_file_monitor_test_next_record(QFileMonitorTestData *data,
 140                                    QFileMonitorTestRecord *pushback)
 141 {
 142     GTimer *timer = g_timer_new();
 143     QFileMonitorTestRecord *record = NULL;
 144     GList *tmp;
 145
 146     qemu_mutex_lock(&data->lock);
 147     while (!data->records && g_timer_elapsed(timer, NULL) < 5) {
 148         qemu_mutex_unlock(&data->lock);
 149         usleep(10 * 1000);
 150         qemu_mutex_lock(&data->lock);
 151     }
 152     if (data->records) {
 153         record = data->records->data;
 154         if (pushback) {
 155             data->records->data = pushback;
 156         } else {
 157             tmp = data->records;
 158             data->records = g_list_remove_link(data->records, tmp);
 159             g_list_free(tmp);
 160         }
 161     } else if (pushback) {
 162         qemu_file_monitor_test_record_free(pushback);
 163     }
 164     qemu_mutex_unlock(&data->lock);
 165
 166     g_timer_destroy(timer);
 167     return record;
 168 }
 169
 170
 171 /*
 172  * Check whether the event record we retrieved matches
 173  * data we were expecting to see for the event
 174  */
 175 static bool
 176 qemu_file_monitor_test_expect(QFileMonitorTestData *data,
 177                               int64_t id,
 178                               QFileMonitorEvent event,
 179                               const char *filename,
 180                               bool swapnext)
 181 {
 182     QFileMonitorTestRecord *rec;
 183     bool ret = false;
 184
 185     rec = qemu_file_monitor_test_next_record(data, NULL);
 186
 187  retry:
 188     if (!rec) {
 189         g_printerr("Missing event watch id %" PRIx64 " event %d file %s\n",
 190                    id, event, filename);
 191         return false;
 192     }
 193
 194     if (id != rec->id) {
 195         if (swapnext) {
 196             rec = qemu_file_monitor_test_next_record(data, rec);
 197             swapnext = false;
 198             goto retry;
 199         }
 200         g_printerr("Expected watch id %" PRIx64 " but got %" PRIx64 "\n",
 201                    id, rec->id);
 202         goto cleanup;
 203     }
 204
 205     if (event != rec->event) {
 206         g_printerr("Expected event %d but got %d\n", event, rec->event);
 207         goto cleanup;
 208     }
 209
 210     if (!g_str_equal(filename, rec->filename)) {
 211         g_printerr("Expected filename %s but got %s\n",
 212                    filename, rec->filename);
 213         goto cleanup;
 214     }
 215
 216     ret = true;
 217
 218  cleanup:
 219     qemu_file_monitor_test_record_free(rec);
 220     return ret;
 221 }
 222
 223
 224 static void
 225 test_file_monitor_events(void)
 226 {
 227     int64_t watch0 = 0;
 228     int64_t watch1 = 0;
 229     int64_t watch2 = 0;
 230     int64_t watch3 = 0;
 231     int64_t watch4 = 0;
 232     int64_t watch5 = 0;
 233     QFileMonitorTestOp ops[] = {
 234         { .type = QFILE_MONITOR_TEST_OP_ADD_WATCH,
 235           .filesrc = NULL, .watchid = &watch0 },
 236         { .type = QFILE_MONITOR_TEST_OP_ADD_WATCH,
 237           .filesrc = "one.txt", .watchid = &watch1 },
 238         { .type = QFILE_MONITOR_TEST_OP_ADD_WATCH,
 239           .filesrc = "two.txt", .watchid = &watch2 },
 240
 241
 242         { .type = QFILE_MONITOR_TEST_OP_CREATE,
 243           .filesrc = "one.txt", },
 244         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 245           .filesrc = "one.txt", .watchid = &watch0,
 246           .eventid = QFILE_MONITOR_EVENT_CREATED },
 247         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 248           .filesrc = "one.txt", .watchid = &watch1,
 249           .eventid = QFILE_MONITOR_EVENT_CREATED },
 250
 251
 252         { .type = QFILE_MONITOR_TEST_OP_CREATE,
 253           .filesrc = "two.txt", },
 254         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 255           .filesrc = "two.txt", .watchid = &watch0,
 256           .eventid = QFILE_MONITOR_EVENT_CREATED },
 257         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 258           .filesrc = "two.txt", .watchid = &watch2,
 259           .eventid = QFILE_MONITOR_EVENT_CREATED },
 260
 261
 262         { .type = QFILE_MONITOR_TEST_OP_CREATE,
 263           .filesrc = "three.txt", },
 264         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 265           .filesrc = "three.txt", .watchid = &watch0,
 266           .eventid = QFILE_MONITOR_EVENT_CREATED },
 267
 268
 269         { .type = QFILE_MONITOR_TEST_OP_UNLINK,
 270           .filesrc = "three.txt", },
 271         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 272           .filesrc = "three.txt", .watchid = &watch0,
 273           .eventid = QFILE_MONITOR_EVENT_DELETED },
 274
 275
 276         { .type = QFILE_MONITOR_TEST_OP_RENAME,
 277           .filesrc = "one.txt", .filedst = "two.txt" },
 278         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 279           .filesrc = "one.txt", .watchid = &watch0,
 280           .eventid = QFILE_MONITOR_EVENT_DELETED },
 281         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 282           .filesrc = "one.txt", .watchid = &watch1,
 283           .eventid = QFILE_MONITOR_EVENT_DELETED },
 284         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 285           .filesrc = "two.txt", .watchid = &watch0,
 286           .eventid = QFILE_MONITOR_EVENT_CREATED },
 287         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 288           .filesrc = "two.txt", .watchid = &watch2,
 289           .eventid = QFILE_MONITOR_EVENT_CREATED },
 290
 291
 292         { .type = QFILE_MONITOR_TEST_OP_APPEND,
 293           .filesrc = "two.txt", },
 294         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 295           .filesrc = "two.txt", .watchid = &watch0,
 296           .eventid = QFILE_MONITOR_EVENT_MODIFIED },
 297         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 298           .filesrc = "two.txt", .watchid = &watch2,
 299           .eventid = QFILE_MONITOR_EVENT_MODIFIED },
 300
 301
 302         { .type = QFILE_MONITOR_TEST_OP_TOUCH,
 303           .filesrc = "two.txt", },
 304         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 305           .filesrc = "two.txt", .watchid = &watch0,
 306           .eventid = QFILE_MONITOR_EVENT_ATTRIBUTES },
 307         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 308           .filesrc = "two.txt", .watchid = &watch2,
 309           .eventid = QFILE_MONITOR_EVENT_ATTRIBUTES },
 310
 311
 312         { .type = QFILE_MONITOR_TEST_OP_DEL_WATCH,
 313           .filesrc = "one.txt", .watchid = &watch1 },
 314         { .type = QFILE_MONITOR_TEST_OP_ADD_WATCH,
 315           .filesrc = "one.txt", .watchid = &watch3 },
 316         { .type = QFILE_MONITOR_TEST_OP_CREATE,
 317           .filesrc = "one.txt", },
 318         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 319           .filesrc = "one.txt", .watchid = &watch0,
 320           .eventid = QFILE_MONITOR_EVENT_CREATED },
 321         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 322           .filesrc = "one.txt", .watchid = &watch3,
 323           .eventid = QFILE_MONITOR_EVENT_CREATED },
 324
 325
 326         { .type = QFILE_MONITOR_TEST_OP_DEL_WATCH,
 327           .filesrc = "one.txt", .watchid = &watch3 },
 328         { .type = QFILE_MONITOR_TEST_OP_UNLINK,
 329           .filesrc = "one.txt", },
 330         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 331           .filesrc = "one.txt", .watchid = &watch0,
 332           .eventid = QFILE_MONITOR_EVENT_DELETED },
 333
 334
 335         { .type = QFILE_MONITOR_TEST_OP_MKDIR,
 336           .filesrc = "fish", },
 337         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 338           .filesrc = "fish", .watchid = &watch0,
 339           .eventid = QFILE_MONITOR_EVENT_CREATED },
 340
 341
 342         { .type = QFILE_MONITOR_TEST_OP_ADD_WATCH,
 343           .filesrc = "fish/", .watchid = &watch4 },
 344         { .type = QFILE_MONITOR_TEST_OP_ADD_WATCH,
 345           .filesrc = "fish/one.txt", .watchid = &watch5 },
 346         { .type = QFILE_MONITOR_TEST_OP_CREATE,
 347           .filesrc = "fish/one.txt", },
 348         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 349           .filesrc = "one.txt", .watchid = &watch4,
 350           .eventid = QFILE_MONITOR_EVENT_CREATED },
 351         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 352           .filesrc = "one.txt", .watchid = &watch5,
 353           .eventid = QFILE_MONITOR_EVENT_CREATED },
 354
 355
 356         { .type = QFILE_MONITOR_TEST_OP_DEL_WATCH,
 357           .filesrc = "fish/one.txt", .watchid = &watch5 },
 358         { .type = QFILE_MONITOR_TEST_OP_RENAME,
 359           .filesrc = "fish/one.txt", .filedst = "two.txt", },
 360         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 361           .filesrc = "one.txt", .watchid = &watch4,
 362           .eventid = QFILE_MONITOR_EVENT_DELETED },
 363         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 364           .filesrc = "two.txt", .watchid = &watch0,
 365           .eventid = QFILE_MONITOR_EVENT_CREATED },
 366         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 367           .filesrc = "two.txt", .watchid = &watch2,
 368           .eventid = QFILE_MONITOR_EVENT_CREATED },
 369
 370
 371         { .type = QFILE_MONITOR_TEST_OP_RMDIR,
 372           .filesrc = "fish", },
 373         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 374           .filesrc = "", .watchid = &watch4,
 375           .eventid = QFILE_MONITOR_EVENT_IGNORED,
 376           .swapnext = true },
 377         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 378           .filesrc = "fish", .watchid = &watch0,
 379           .eventid = QFILE_MONITOR_EVENT_DELETED },
 380         { .type = QFILE_MONITOR_TEST_OP_DEL_WATCH,
 381           .filesrc = "fish", .watchid = &watch4 },
 382
 383
 384         { .type = QFILE_MONITOR_TEST_OP_UNLINK,
 385           .filesrc = "two.txt", },
 386         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 387           .filesrc = "two.txt", .watchid = &watch0,
 388           .eventid = QFILE_MONITOR_EVENT_DELETED },
 389         { .type = QFILE_MONITOR_TEST_OP_EVENT,
 390           .filesrc = "two.txt", .watchid = &watch2,
 391           .eventid = QFILE_MONITOR_EVENT_DELETED },
 392
 393
 394         { .type = QFILE_MONITOR_TEST_OP_DEL_WATCH,
 395           .filesrc = "two.txt", .watchid = &watch2 },
 396         { .type = QFILE_MONITOR_TEST_OP_DEL_WATCH,
 397           .filesrc = NULL, .watchid = &watch0 },
 398     };
 399     Error *local_err = NULL;
 400     GError *gerr = NULL;
 401     QFileMonitor *mon = qemu_file_monitor_new(&local_err);
 402     QemuThread th;
 403     GTimer *timer;
 404     gchar *dir = NULL;
 405     int err = -1;
 406     gsize i;
 407     char *pathsrc = NULL;
 408     char *pathdst = NULL;
 409     QFileMonitorTestData data;
 410     GHashTable *ids = g_hash_table_new(g_int64_hash, g_int64_equal);
 411     char *travis_arch;
 412
 413     qemu_mutex_init(&data.lock);
 414     data.records = NULL;
 415
 416     /*
 417      * This test does not work on Travis LXD containers since some
 418      * syscalls are blocked in that environment.
 419      */
 420     travis_arch = getenv("TRAVIS_ARCH");
 421     if (travis_arch && !g_str_equal(travis_arch, "x86_64")) {
 422         g_test_skip("Test does not work on non-x86 Travis containers.");
 423         return;
 424     }
 425
 426     /*
 427      * The file monitor needs the main loop running in
 428      * order to receive events from inotify. We must
 429      * thus spawn a background thread to run an event
 430      * loop impl, while this thread triggers the
 431      * actual file operations we're testing
 432      */
 433     evrunning = 1;
 434     evstopping = 0;
 435     qemu_thread_create(&th, "event-loop",
 436                        qemu_file_monitor_test_event_loop, NULL,
 437                        QEMU_THREAD_JOINABLE);
 438
 439     if (local_err) {
 440         g_printerr("File monitoring not available: %s",
 441                    error_get_pretty(local_err));
 442         error_free(local_err);
 443         return;
 444     }
 445
 446     dir = g_dir_make_tmp("test-util-filemonitor-XXXXXX",
 447                          &gerr);
 448     if (!dir) {
 449         g_printerr("Unable to create tmp dir %s",
 450                    gerr->message);
 451         g_error_free(gerr);
 452         abort();
 453     }
 454
 455     /*
 456      * Run through the operation sequence validating events
 457      * as we go
 458      */
 459     for (i = 0; i < G_N_ELEMENTS(ops); i++) {
 460         const QFileMonitorTestOp *op = &(ops[i]);
 461         int fd;
 462         struct utimbuf ubuf;
 463         char *watchdir;
 464         const char *watchfile;
 465
 466         pathsrc = g_strdup_printf("%s/%s", dir, op->filesrc);
 467         if (op->filedst) {
 468             pathdst = g_strdup_printf("%s/%s", dir, op->filedst);
 469         }
 470
 471         switch (op->type) {
 472         case QFILE_MONITOR_TEST_OP_ADD_WATCH:
 473             if (debug) {
 474                 g_printerr("Add watch %s %s\n",
 475                            dir, op->filesrc);
 476             }
 477             if (op->filesrc && strchr(op->filesrc, '/')) {
 478                 watchdir = g_strdup_printf("%s/%s", dir, op->filesrc);
 479                 watchfile = strrchr(watchdir, '/');
 480                 *(char *)watchfile = '\0';
 481                 watchfile++;
 482                 if (*watchfile == '\0') {
 483                     watchfile = NULL;
 484                 }
 485             } else {
 486                 watchdir = g_strdup(dir);
 487                 watchfile = op->filesrc;
 488             }
 489             *op->watchid =
 490                 qemu_file_monitor_add_watch(mon,
 491                                             watchdir,
 492                                             watchfile,
 493                                             qemu_file_monitor_test_handler,
 494                                             &data,
 495                                             &local_err);
 496             g_free(watchdir);
 497             if (*op->watchid < 0) {
 498                 g_printerr("Unable to add watch %s",
 499                            error_get_pretty(local_err));
 500                 error_free(local_err);
 501                 goto cleanup;
 502             }
 503             if (debug) {
 504                 g_printerr("Watch ID %" PRIx64 "\n", *op->watchid);
 505             }
 506             if (g_hash_table_contains(ids, op->watchid)) {
 507                 g_printerr("Watch ID %" PRIx64 "already exists", *op->watchid);
 508                 goto cleanup;
 509             }
 510             g_hash_table_add(ids, op->watchid);
 511             break;
 512         case QFILE_MONITOR_TEST_OP_DEL_WATCH:
 513             if (debug) {
 514                 g_printerr("Del watch %s %" PRIx64 "\n", dir, *op->watchid);
 515             }
 516             if (op->filesrc && strchr(op->filesrc, '/')) {
 517                 watchdir = g_strdup_printf("%s/%s", dir, op->filesrc);
 518                 watchfile = strrchr(watchdir, '/');
 519                 *(char *)watchfile = '\0';
 520             } else {
 521                 watchdir = g_strdup(dir);
 522             }
 523             g_hash_table_remove(ids, op->watchid);
 524             qemu_file_monitor_remove_watch(mon,
 525                                            watchdir,
 526                                            *op->watchid);
 527             g_free(watchdir);
 528             break;
 529         case QFILE_MONITOR_TEST_OP_EVENT:
 530             if (debug) {
 531                 g_printerr("Event id=%" PRIx64 " event=%d file=%s\n",
 532                            *op->watchid, op->eventid, op->filesrc);
 533             }
 534             if (!qemu_file_monitor_test_expect(&data, *op->watchid,
 535                                                op->eventid, op->filesrc,
 536                                                op->swapnext))
 537                 goto cleanup;
 538             break;
 539         case QFILE_MONITOR_TEST_OP_CREATE:
 540             if (debug) {
 541                 g_printerr("Create %s\n", pathsrc);
 542             }
 543             fd = open(pathsrc, O_WRONLY | O_CREAT, 0700);
 544             if (fd < 0) {
 545                 g_printerr("Unable to create %s: %s",
 546                            pathsrc, strerror(errno));
 547                 goto cleanup;
 548             }
 549             close(fd);
 550             break;
 551
 552         case QFILE_MONITOR_TEST_OP_APPEND:
 553             if (debug) {
 554                 g_printerr("Append %s\n", pathsrc);
 555             }
 556             fd = open(pathsrc, O_WRONLY | O_APPEND, 0700);
 557             if (fd < 0) {
 558                 g_printerr("Unable to open %s: %s",
 559                            pathsrc, strerror(errno));
 560                 goto cleanup;
 561             }
 562
 563             if (write(fd, "Hello World", 10) != 10) {
 564                 g_printerr("Unable to write %s: %s",
 565                            pathsrc, strerror(errno));
 566                 close(fd);
 567                 goto cleanup;
 568             }
 569             close(fd);
 570             break;
 571
 572         case QFILE_MONITOR_TEST_OP_TRUNC:
 573             if (debug) {
 574                 g_printerr("Truncate %s\n", pathsrc);
 575             }
 576             if (truncate(pathsrc, 4) < 0) {
 577                 g_printerr("Unable to truncate %s: %s",
 578                            pathsrc, strerror(errno));
 579                 goto cleanup;
 580             }
 581             break;
 582
 583         case QFILE_MONITOR_TEST_OP_RENAME:
 584             if (debug) {
 585                 g_printerr("Rename %s -> %s\n", pathsrc, pathdst);
 586             }
 587             if (rename(pathsrc, pathdst) < 0) {
 588                 g_printerr("Unable to rename %s to %s: %s",
 589                            pathsrc, pathdst, strerror(errno));
 590                 goto cleanup;
 591             }
 592             break;
 593
 594         case QFILE_MONITOR_TEST_OP_UNLINK:
 595             if (debug) {
 596                 g_printerr("Unlink %s\n", pathsrc);
 597             }
 598             if (unlink(pathsrc) < 0) {
 599                 g_printerr("Unable to unlink %s: %s",
 600                            pathsrc, strerror(errno));
 601                 goto cleanup;
 602             }
 603             break;
 604
 605         case QFILE_MONITOR_TEST_OP_TOUCH:
 606             if (debug) {
 607                 g_printerr("Touch %s\n", pathsrc);
 608             }
 609             ubuf.actime = 1024;
 610             ubuf.modtime = 1025;
 611             if (utime(pathsrc, &ubuf) < 0) {
 612                 g_printerr("Unable to touch %s: %s",
 613                            pathsrc, strerror(errno));
 614                 goto cleanup;
 615             }
 616             break;
 617
 618         case QFILE_MONITOR_TEST_OP_MKDIR:
 619             if (debug) {
 620                 g_printerr("Mkdir %s\n", pathsrc);
 621             }
 622             if (g_mkdir_with_parents(pathsrc, 0700) < 0) {
 623                 g_printerr("Unable to mkdir %s: %s",
 624                            pathsrc, strerror(errno));
 625                 goto cleanup;
 626             }
 627             break;
 628
 629         case QFILE_MONITOR_TEST_OP_RMDIR:
 630             if (debug) {
 631                 g_printerr("Rmdir %s\n", pathsrc);
 632             }
 633             if (rmdir(pathsrc) < 0) {
 634                 g_printerr("Unable to rmdir %s: %s",
 635                            pathsrc, strerror(errno));
 636                 goto cleanup;
 637             }
 638             break;
 639
 640         default:
 641             g_assert_not_reached();
 642         }
 643
 644         g_free(pathsrc);
 645         g_free(pathdst);
 646         pathsrc = pathdst = NULL;
 647     }
 648
 649     g_assert_cmpint(g_hash_table_size(ids), ==, 0);
 650
 651     err = 0;
 652
 653  cleanup:
 654     g_free(pathsrc);
 655     g_free(pathdst);
 656
 657     qemu_mutex_lock(&evlock);
 658     evstopping = 1;
 659     timer = g_timer_new();
 660     while (evrunning && g_timer_elapsed(timer, NULL) < 5) {
 661         qemu_mutex_unlock(&evlock);
 662         usleep(10 * 1000);
 663         qemu_mutex_lock(&evlock);
 664     }
 665     qemu_mutex_unlock(&evlock);
 666
 667     if (g_timer_elapsed(timer, NULL) >= 5) {
 668         g_printerr("Event loop failed to quit after 5 seconds\n");
 669     }
 670     g_timer_destroy(timer);
 671
 672     qemu_file_monitor_free(mon);
 673     g_list_foreach(data.records,
 674                    (GFunc)qemu_file_monitor_test_record_free, NULL);
 675     g_list_free(data.records);
 676     qemu_mutex_destroy(&data.lock);
 677     if (dir) {
 678         for (i = 0; i < G_N_ELEMENTS(ops); i++) {
 679             const QFileMonitorTestOp *op = &(ops[i]);
 680             char *path = g_strdup_printf("%s/%s",
 681                                          dir, op->filesrc);
 682             if (op->type == QFILE_MONITOR_TEST_OP_MKDIR) {
 683                 rmdir(path);
 684                 g_free(path);
 685             } else {
 686                 unlink(path);
 687                 g_free(path);
 688                 if (op->filedst) {
 689                     path = g_strdup_printf("%s/%s",
 690                                            dir, op->filedst);
 691                     unlink(path);
 692                     g_free(path);
 693                 }
 694             }
 695         }
 696         if (rmdir(dir) < 0) {
 697             g_printerr("Failed to remove %s: %s\n",
 698                        dir, strerror(errno));
 699             abort();
 700         }
 701     }
 702     g_hash_table_unref(ids);
 703     g_free(dir);
 704     g_assert(err == 0);
 705 }
 706
 707
 708 int main(int argc, char **argv)
 709 {
 710     g_test_init(&argc, &argv, NULL);
 711
 712     qemu_init_main_loop(&error_abort);
 713
 714     qemu_mutex_init(&evlock);
 715
 716     debug = getenv("FILEMONITOR_DEBUG") != NULL;
 717     g_test_add_func("/util/filemonitor", test_file_monitor_events);
 718
 719     return g_test_run();
 720 }