source3/torture/test_notify.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Scalability test for notifies
   4    Copyright (C) Volker Lendecke 2012
   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 3 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 program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "includes.h"
  21 #include "torture/proto.h"
  22 #include "libsmb/libsmb.h"
  23 #include "lib/util/tevent_ntstatus.h"
  24 #include "libcli/security/security.h"
  25 #include "lib/tevent_barrier.h"
  26
  27 extern int torture_nprocs, torture_numops;
  28
  29 struct wait_for_one_notify_state {
  30         struct tevent_context *ev;
  31         struct cli_state *cli;
  32         uint16_t dnum;
  33         uint32_t filter;
  34         bool recursive;
  35         unsigned *num_notifies;
  36 };
  37
  38 static void wait_for_one_notify_opened(struct tevent_req *subreq);
  39 static void wait_for_one_notify_chkpath_done(struct tevent_req *subreq);
  40 static void wait_for_one_notify_done(struct tevent_req *subreq);
  41 static void wait_for_one_notify_closed(struct tevent_req *subreq);
  42
  43 static struct tevent_req *wait_for_one_notify_send(TALLOC_CTX *mem_ctx,
  44                                                    struct tevent_context *ev,
  45                                                    struct cli_state *cli,
  46                                                    const char *path,
  47                                                    uint32_t filter,
  48                                                    bool recursive,
  49                                                    unsigned *num_notifies)
  50 {
  51         struct tevent_req *req, *subreq;
  52         struct wait_for_one_notify_state *state;
  53
  54         req = tevent_req_create(mem_ctx, &state,
  55                                 struct wait_for_one_notify_state);
  56         if (req == NULL) {
  57                 return NULL;
  58         }
  59         state->ev = ev;
  60         state->cli = cli;
  61         state->filter = filter;
  62         state->recursive = recursive;
  63         state->num_notifies = num_notifies;
  64
  65         subreq = cli_ntcreate_send(
  66                 state, state->ev, state->cli, path, 0,
  67                 MAXIMUM_ALLOWED_ACCESS,
  68                 0, FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
  69                 FILE_OPEN, FILE_DIRECTORY_FILE,
  70                 SMB2_IMPERSONATION_IMPERSONATION, 0);
  71         if (tevent_req_nomem(subreq, req)) {
  72                 return tevent_req_post(req, ev);
  73         }
  74         tevent_req_set_callback(subreq, wait_for_one_notify_opened, req);
  75         return req;
  76 }
  77
  78 static void wait_for_one_notify_opened(struct tevent_req *subreq)
  79 {
  80         struct tevent_req *req = tevent_req_callback_data(
  81                 subreq, struct tevent_req);
  82         struct wait_for_one_notify_state *state = tevent_req_data(
  83                 req, struct wait_for_one_notify_state);
  84         NTSTATUS status;
  85
  86         status = cli_ntcreate_recv(subreq, &state->dnum, NULL);
  87         TALLOC_FREE(subreq);
  88         if (tevent_req_nterror(req, status)) {
  89                 return;
  90         }
  91         subreq = cli_notify_send(state, state->ev, state->cli, state->dnum,
  92                                  0xffff, state->filter, state->recursive);
  93         if (tevent_req_nomem(subreq, req)) {
  94                 return;
  95         }
  96         tevent_req_set_callback(subreq, wait_for_one_notify_done, req);
  97
  98         /*
  99          * To make sure the notify received at the server, we do another no-op
 100          * that is replied to.
 101          */
 102         subreq = cli_chkpath_send(state, state->ev, state->cli, "\\");
 103         if (tevent_req_nomem(subreq, req)) {
 104                 return;
 105         }
 106         tevent_req_set_callback(subreq, wait_for_one_notify_chkpath_done, req);
 107 }
 108
 109 static void wait_for_one_notify_chkpath_done(struct tevent_req *subreq)
 110 {
 111         struct tevent_req *req = tevent_req_callback_data(
 112                 subreq, struct tevent_req);
 113         struct wait_for_one_notify_state *state = tevent_req_data(
 114                 req, struct wait_for_one_notify_state);
 115         NTSTATUS status;
 116
 117         status = cli_chkpath_recv(subreq);
 118         TALLOC_FREE(subreq);
 119         if (tevent_req_nterror(req, status)) {
 120                 return;
 121         }
 122         *state->num_notifies += 1;
 123 }
 124
 125 static void wait_for_one_notify_done(struct tevent_req *subreq)
 126 {
 127         struct tevent_req *req = tevent_req_callback_data(
 128                 subreq, struct tevent_req);
 129         struct wait_for_one_notify_state *state = tevent_req_data(
 130                 req, struct wait_for_one_notify_state);
 131         uint32_t num_changes;
 132         struct notify_change *changes;
 133         NTSTATUS status;
 134
 135         status = cli_notify_recv(subreq, state, &num_changes, &changes);
 136         TALLOC_FREE(subreq);
 137         if (tevent_req_nterror(req, status)) {
 138                 return;
 139         }
 140         subreq = cli_close_send(state, state->ev, state->cli, state->dnum);
 141         if (tevent_req_nomem(subreq, req)) {
 142                 return;
 143         }
 144         tevent_req_set_callback(subreq, wait_for_one_notify_closed, req);
 145 }
 146
 147 static void wait_for_one_notify_closed(struct tevent_req *subreq)
 148 {
 149         struct tevent_req *req = tevent_req_callback_data(
 150                 subreq, struct tevent_req);
 151         struct wait_for_one_notify_state *state = tevent_req_data(
 152                 req, struct wait_for_one_notify_state);
 153         NTSTATUS status;
 154
 155         status = cli_close_recv(subreq);
 156         TALLOC_FREE(subreq);
 157         if (tevent_req_nterror(req, status)) {
 158                 return;
 159         }
 160         *state->num_notifies -= 1;
 161         tevent_req_done(req);
 162 }
 163
 164 static NTSTATUS wait_for_one_notify_recv(struct tevent_req *req)
 165 {
 166         return tevent_req_simple_recv_ntstatus(req);
 167 }
 168
 169 static void notify_bench2_done(struct tevent_req *req);
 170
 171 bool run_notify_bench2(int dummy)
 172 {
 173         struct cli_state *cli;
 174         struct cli_state **clis;
 175         struct tevent_context *ev;
 176         unsigned num_notifies = 0;
 177         NTSTATUS status;
 178         int i;
 179
 180         if (!torture_open_connection(&cli, 0)) {
 181                 return false;
 182         }
 183
 184         printf("starting notify bench 2 test\n");
 185
 186         cli_rmdir(cli, "\\notify.dir\\subdir");
 187         cli_rmdir(cli, "\\notify.dir");
 188
 189         status = cli_mkdir(cli, "\\notify.dir");
 190         if (!NT_STATUS_IS_OK(status)) {
 191                 printf("mkdir failed : %s\n", nt_errstr(status));
 192                 return false;
 193         }
 194
 195         clis = talloc_array(talloc_tos(), struct cli_state *, torture_nprocs);
 196         if (clis == NULL) {
 197                 printf("talloc failed\n");
 198                 return false;
 199         }
 200
 201         ev = samba_tevent_context_init(talloc_tos());
 202         if (ev == NULL) {
 203                 printf("tevent_context_create failed\n");
 204                 return false;
 205         }
 206
 207         for (i=0; i<torture_nprocs; i++) {
 208                 int j;
 209                 if (!torture_open_connection(&clis[i], i)) {
 210                         return false;
 211                 }
 212
 213                 for (j=0; j<torture_numops; j++) {
 214                         struct tevent_req *req;
 215                         req = wait_for_one_notify_send(
 216                                 talloc_tos(), ev, clis[i], "\\notify.dir",
 217                                 FILE_NOTIFY_CHANGE_ALL, true,
 218                                 &num_notifies);
 219                         if (req == NULL) {
 220                                 printf("wait_for_one_notify_send failed\n");
 221                                 return false;
 222                         }
 223                         tevent_req_set_callback(req, notify_bench2_done, NULL);
 224                 }
 225         }
 226
 227         while (num_notifies < torture_nprocs * torture_numops) {
 228                 int ret;
 229                 ret = tevent_loop_once(ev);
 230                 if (ret != 0) {
 231                         printf("tevent_loop_once failed: %s\n",
 232                                strerror(errno));
 233                         return false;
 234                 }
 235         }
 236
 237         cli_mkdir(cli, "\\notify.dir\\subdir");
 238
 239         while (num_notifies > 0) {
 240                 int ret;
 241                 ret = tevent_loop_once(ev);
 242                 if (ret != 0) {
 243                         printf("tevent_loop_once failed: %s\n",
 244                                strerror(errno));
 245                         return false;
 246                 }
 247         }
 248
 249         return true;
 250 }
 251
 252 static void notify_bench2_done(struct tevent_req *req)
 253 {
 254         NTSTATUS status;
 255
 256         status = wait_for_one_notify_recv(req);
 257         TALLOC_FREE(req);
 258         if (!NT_STATUS_IS_OK(status)) {
 259                 printf("wait_for_one_notify returned %s\n",
 260                        nt_errstr(status));
 261         }
 262 }
 263
 264 /*
 265  * This test creates a subdirectory. It then waits on a barrier before the
 266  * notify is sent. Then it creates the notify. It then waits for another
 267  * barrier, so that all of the notifies have gone through. It then creates
 268  * another subdirectory, which will trigger notifications to be sent. When the
 269  * notifies have been received, it waits once more before everything is
 270  * cleaned up.
 271  */
 272
 273 struct notify_bench3_state {
 274         struct tevent_context *ev;
 275         struct cli_state *cli;
 276         const char *dir;
 277         uint16_t dnum;
 278         const char *subdir_path;
 279         uint16_t subdir_dnum;
 280         int wait_timeout;
 281         struct tevent_barrier *small;
 282         struct tevent_barrier *large;
 283 };
 284
 285 static void notify_bench3_mkdir1_done(struct tevent_req *subreq);
 286 static void notify_bench3_before_notify(struct tevent_req *subreq);
 287 static void notify_bench3_chkpath_done(struct tevent_req *subreq);
 288 static void notify_bench3_before_mkdir2(struct tevent_req *subreq);
 289 static void notify_bench3_notify_done(struct tevent_req *subreq);
 290 static void notify_bench3_notifies_done(struct tevent_req *subreq);
 291 static void notify_bench3_mksubdir_done(struct tevent_req *subreq);
 292 static void notify_bench3_before_close_subdir(struct tevent_req *subreq);
 293 static void notify_bench3_close_subdir_done(struct tevent_req *subreq);
 294 static void notify_bench3_deleted_subdir(struct tevent_req *subreq);
 295 static void notify_bench3_deleted_subdirs(struct tevent_req *subreq);
 296 static void notify_bench3_del_on_close_set(struct tevent_req *subreq);
 297 static void notify_bench3_closed(struct tevent_req *subreq);
 298
 299 static struct tevent_req *notify_bench3_send(
 300         TALLOC_CTX *mem_ctx, struct tevent_context *ev, struct cli_state *cli,
 301         const char *dir, const char *subdir_path,
 302         struct tevent_barrier *small, struct tevent_barrier *large)
 303 {
 304         struct tevent_req *req, *subreq;
 305         struct notify_bench3_state *state;
 306
 307         req = tevent_req_create(mem_ctx, &state, struct notify_bench3_state);
 308         if (req == NULL) {
 309                 return NULL;
 310         }
 311         state->ev = ev;
 312         state->cli = cli;
 313         state->dir = dir;
 314         state->subdir_path = subdir_path;
 315         state->small = small;
 316         state->large = large;
 317
 318         subreq = cli_ntcreate_send(
 319                 state, state->ev, state->cli, state->dir, 0,
 320                 MAXIMUM_ALLOWED_ACCESS, 0,
 321                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
 322                 FILE_OPEN_IF, FILE_DIRECTORY_FILE,
 323                 SMB2_IMPERSONATION_IMPERSONATION, 0);
 324         if (tevent_req_nomem(subreq, req)) {
 325                 return tevent_req_post(req, ev);
 326         }
 327         tevent_req_set_callback(subreq, notify_bench3_mkdir1_done, req);
 328         return req;
 329 }
 330
 331 static void notify_bench3_mkdir1_done(struct tevent_req *subreq)
 332 {
 333         struct tevent_req *req = tevent_req_callback_data(
 334                 subreq, struct tevent_req);
 335         struct notify_bench3_state *state = tevent_req_data(
 336                 req, struct notify_bench3_state);
 337         NTSTATUS status;
 338
 339         status = cli_ntcreate_recv(subreq, &state->dnum, NULL);
 340         TALLOC_FREE(subreq);
 341         if (tevent_req_nterror(req, status)) {
 342                 return;
 343         }
 344         subreq = tevent_barrier_wait_send(state, state->ev, state->small);
 345         if (tevent_req_nomem(subreq, req)) {
 346                 return;
 347         }
 348         tevent_req_set_callback(subreq, notify_bench3_before_notify, req);
 349 }
 350
 351 static void notify_bench3_before_notify(struct tevent_req *subreq)
 352 {
 353         struct tevent_req *req = tevent_req_callback_data(
 354                 subreq, struct tevent_req);
 355         struct notify_bench3_state *state = tevent_req_data(
 356                 req, struct notify_bench3_state);
 357         int ret;
 358
 359         ret = tevent_barrier_wait_recv(subreq);
 360         TALLOC_FREE(subreq);
 361         if (ret != 0) {
 362                 tevent_req_nterror(req, map_nt_error_from_unix(ret));
 363                 return;
 364         }
 365         subreq = cli_notify_send(state, state->ev, state->cli, state->dnum,
 366                                  0xffff, FILE_NOTIFY_CHANGE_ALL, true);
 367         if (tevent_req_nomem(subreq, req)) {
 368                 return;
 369         }
 370         tevent_req_set_callback(subreq, notify_bench3_notify_done, req);
 371
 372         /*
 373          * To make sure the notify received at the server, we do another no-op
 374          * that is replied to.
 375          */
 376         subreq = cli_chkpath_send(state, state->ev, state->cli, "\\");
 377         if (tevent_req_nomem(subreq, req)) {
 378                 return;
 379         }
 380         tevent_req_set_callback(subreq, notify_bench3_chkpath_done, req);
 381 }
 382
 383 static void notify_bench3_notify_done(struct tevent_req *subreq)
 384 {
 385         struct tevent_req *req = tevent_req_callback_data(
 386                 subreq, struct tevent_req);
 387         struct notify_bench3_state *state = tevent_req_data(
 388                 req, struct notify_bench3_state);
 389         uint32_t num_changes;
 390         struct notify_change *changes;
 391         NTSTATUS status;
 392
 393         status = cli_notify_recv(subreq, state, &num_changes, &changes);
 394         TALLOC_FREE(subreq);
 395         if (tevent_req_nterror(req, status)) {
 396                 return;
 397         }
 398         subreq = tevent_barrier_wait_send(state, state->ev, state->large);
 399         if (tevent_req_nomem(subreq, req)) {
 400                 return;
 401         }
 402         tevent_req_set_callback(subreq, notify_bench3_notifies_done, req);
 403 }
 404
 405 static void notify_bench3_notifies_done(struct tevent_req *subreq)
 406 {
 407         struct tevent_req *req = tevent_req_callback_data(
 408                 subreq, struct tevent_req);
 409         int ret;
 410
 411         ret = tevent_barrier_wait_recv(subreq);
 412         TALLOC_FREE(subreq);
 413         if (ret != 0) {
 414                 tevent_req_nterror(req, map_nt_error_from_unix(ret));
 415                 return;
 416         }
 417 }
 418
 419 static void notify_bench3_chkpath_done(struct tevent_req *subreq)
 420 {
 421         struct tevent_req *req = tevent_req_callback_data(
 422                 subreq, struct tevent_req);
 423         struct notify_bench3_state *state = tevent_req_data(
 424                 req, struct notify_bench3_state);
 425         NTSTATUS status;
 426
 427         status = cli_chkpath_recv(subreq);
 428         TALLOC_FREE(subreq);
 429         if (tevent_req_nterror(req, status)) {
 430                 return;
 431         }
 432         if (state->subdir_path == NULL) {
 433                 return;
 434         }
 435         subreq = tevent_barrier_wait_send(state, state->ev, state->small);
 436         if (tevent_req_nomem(subreq, req)) {
 437                 return;
 438         }
 439         tevent_req_set_callback(subreq, notify_bench3_before_mkdir2, req);
 440 }
 441
 442 static void notify_bench3_before_mkdir2(struct tevent_req *subreq)
 443 {
 444         struct tevent_req *req = tevent_req_callback_data(
 445                 subreq, struct tevent_req);
 446         struct notify_bench3_state *state = tevent_req_data(
 447                 req, struct notify_bench3_state);
 448         int ret;
 449
 450         ret = tevent_barrier_wait_recv(subreq);
 451         TALLOC_FREE(subreq);
 452         if (ret != 0) {
 453                 tevent_req_nterror(req, map_nt_error_from_unix(ret));
 454                 return;
 455         }
 456         subreq =  cli_ntcreate_send(
 457                 state, state->ev, state->cli, state->subdir_path, 0,
 458                 MAXIMUM_ALLOWED_ACCESS, 0,
 459                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
 460                 FILE_CREATE,
 461                 FILE_DIRECTORY_FILE,
 462                 SMB2_IMPERSONATION_IMPERSONATION, 0);
 463         if (tevent_req_nomem(subreq, req)) {
 464                 return;
 465         }
 466         tevent_req_set_callback(subreq, notify_bench3_mksubdir_done, req);
 467 }
 468
 469 static void notify_bench3_mksubdir_done(struct tevent_req *subreq)
 470 {
 471         struct tevent_req *req = tevent_req_callback_data(
 472                 subreq, struct tevent_req);
 473         struct notify_bench3_state *state = tevent_req_data(
 474                 req, struct notify_bench3_state);
 475         NTSTATUS status;
 476
 477         status = cli_ntcreate_recv(subreq, &state->subdir_dnum, NULL);
 478         TALLOC_FREE(subreq);
 479         if (tevent_req_nterror(req, status)) {
 480                 return;
 481         }
 482         subreq = tevent_barrier_wait_send(state, state->ev, state->large);
 483         if (tevent_req_nomem(subreq, req)) {
 484                 return;
 485         }
 486         tevent_req_set_callback(subreq, notify_bench3_before_close_subdir,
 487                                 req);
 488 }
 489
 490 static void notify_bench3_before_close_subdir(struct tevent_req *subreq)
 491 {
 492         struct tevent_req *req = tevent_req_callback_data(
 493                 subreq, struct tevent_req);
 494         struct notify_bench3_state *state = tevent_req_data(
 495                 req, struct notify_bench3_state);
 496         int ret;
 497
 498         ret = tevent_barrier_wait_recv(subreq);
 499         TALLOC_FREE(subreq);
 500         if (ret != 0) {
 501                 tevent_req_nterror(req, map_nt_error_from_unix(ret));
 502                 return;
 503         }
 504         subreq = cli_close_send(state, state->ev, state->cli,
 505                                 state->subdir_dnum);
 506         if (tevent_req_nomem(subreq, req)) {
 507                 return;
 508         }
 509         tevent_req_set_callback(subreq, notify_bench3_close_subdir_done, req);
 510 }
 511
 512 static void notify_bench3_close_subdir_done(struct tevent_req *subreq)
 513 {
 514         struct tevent_req *req = tevent_req_callback_data(
 515                 subreq, struct tevent_req);
 516         struct notify_bench3_state *state = tevent_req_data(
 517                 req, struct notify_bench3_state);
 518         NTSTATUS status;
 519
 520         status = cli_close_recv(subreq);
 521         TALLOC_FREE(subreq);
 522         if (tevent_req_nterror(req, status)) {
 523                 return;
 524         }
 525         subreq = cli_rmdir_send(state, state->ev, state->cli,
 526                                 state->subdir_path);
 527         if (tevent_req_nomem(subreq, req)) {
 528                 return;
 529         }
 530         tevent_req_set_callback(subreq, notify_bench3_deleted_subdir, req);
 531 }
 532
 533 static void notify_bench3_deleted_subdir(struct tevent_req *subreq)
 534 {
 535         struct tevent_req *req = tevent_req_callback_data(
 536                 subreq, struct tevent_req);
 537         struct notify_bench3_state *state = tevent_req_data(
 538                 req, struct notify_bench3_state);
 539         NTSTATUS status;
 540
 541         status = cli_rmdir_recv(subreq);
 542         TALLOC_FREE(subreq);
 543         if (tevent_req_nterror(req, status)) {
 544                 return;
 545         }
 546         subreq = tevent_barrier_wait_send(state, state->ev, state->small);
 547         if (tevent_req_nomem(subreq, req)) {
 548                 return;
 549         }
 550         tevent_req_set_callback(subreq, notify_bench3_deleted_subdirs, req);
 551 }
 552
 553 static void notify_bench3_deleted_subdirs(struct tevent_req *subreq)
 554 {
 555         struct tevent_req *req = tevent_req_callback_data(
 556                 subreq, struct tevent_req);
 557         struct notify_bench3_state *state = tevent_req_data(
 558                 req, struct notify_bench3_state);
 559         int ret;
 560
 561         ret = tevent_barrier_wait_recv(subreq);
 562         TALLOC_FREE(subreq);
 563         if (ret != 0) {
 564                 tevent_req_nterror(req, map_nt_error_from_unix(ret));
 565                 return;
 566         }
 567         subreq = cli_nt_delete_on_close_send(state, state->ev, state->cli,
 568                                              state->dnum, true);
 569         if (tevent_req_nomem(subreq, req)) {
 570                 return;
 571         }
 572         tevent_req_set_callback(subreq, notify_bench3_del_on_close_set, req);
 573 }
 574
 575 static void notify_bench3_del_on_close_set(struct tevent_req *subreq)
 576 {
 577         struct tevent_req *req = tevent_req_callback_data(
 578                 subreq, struct tevent_req);
 579         struct notify_bench3_state *state = tevent_req_data(
 580                 req, struct notify_bench3_state);
 581         NTSTATUS status;
 582
 583         status = cli_nt_delete_on_close_recv(subreq);
 584         TALLOC_FREE(subreq);
 585         if (tevent_req_nterror(req, status)) {
 586                 return;
 587         }
 588
 589         subreq = cli_close_send(state, state->ev, state->cli, state->dnum);
 590         if (tevent_req_nomem(subreq, req)) {
 591                 return;
 592         }
 593         tevent_req_set_callback(subreq, notify_bench3_closed, req);
 594 }
 595
 596 static void notify_bench3_closed(struct tevent_req *subreq)
 597 {
 598         struct tevent_req *req = tevent_req_callback_data(
 599                 subreq, struct tevent_req);
 600         NTSTATUS status;
 601
 602         status = cli_close_recv(subreq);
 603         TALLOC_FREE(subreq);
 604         if (tevent_req_nterror(req, status)) {
 605                 return;
 606         }
 607         tevent_req_done(req);
 608 }
 609
 610 static NTSTATUS notify_bench3_recv(struct tevent_req *req)
 611 {
 612         return tevent_req_simple_recv_ntstatus(req);
 613 }
 614
 615 static void notify_bench3_done(struct tevent_req *req)
 616 {
 617         unsigned *num_done = (unsigned *)tevent_req_callback_data_void(req);
 618         NTSTATUS status;
 619
 620         status = notify_bench3_recv(req);
 621         TALLOC_FREE(req);
 622         if (!NT_STATUS_IS_OK(status)) {
 623                 d_printf("notify_bench3 returned %s\n", nt_errstr(status));
 624         }
 625         *num_done += 1;
 626 }
 627
 628 static void notify_bench3_barrier_cb(void *private_data)
 629 {
 630         struct timeval *ts = (struct timeval *)private_data;
 631         struct timeval now;
 632
 633         GetTimeOfDay(&now);
 634         printf("barrier triggered: %f\n", timeval_elapsed2(ts, &now));
 635         GetTimeOfDay(ts);
 636 }
 637
 638 bool run_notify_bench3(int dummy)
 639 {
 640         struct cli_state **clis;
 641         struct tevent_context *ev;
 642         struct tevent_barrier *small;
 643         struct tevent_barrier *large;
 644         int i;
 645         unsigned num_done = 0;
 646         struct timeval ts, now;
 647
 648         clis = talloc_array(talloc_tos(), struct cli_state *, torture_nprocs);
 649         if (clis == NULL) {
 650                 printf("talloc failed\n");
 651                 return false;
 652         }
 653
 654         GetTimeOfDay(&ts);
 655
 656         small = tevent_barrier_init(
 657                 talloc_tos(), torture_nprocs * torture_numops,
 658                 notify_bench3_barrier_cb, &ts);
 659         if (small == NULL) {
 660                 return false;
 661         }
 662
 663         large = tevent_barrier_init(
 664                 talloc_tos(), 2 * torture_nprocs * torture_numops,
 665                 notify_bench3_barrier_cb, &ts);
 666         if (large == NULL) {
 667                 return false;
 668         }
 669
 670         ev = samba_tevent_context_init(talloc_tos());
 671         if (ev == NULL) {
 672                 printf("tevent_context_create failed\n");
 673                 return false;
 674         }
 675
 676         for (i=0; i<torture_nprocs; i++) {
 677                 if (!torture_open_connection(&clis[i], i)) {
 678                         return false;
 679                 }
 680         }
 681
 682         for (i=0; i<torture_nprocs; i++) {
 683                 int j;
 684                 for (j=0; j<torture_numops; j++) {
 685                         int idx = i * torture_numops + j;
 686                         struct tevent_req *req;
 687                         char *dirname, *subdirname;
 688
 689                         dirname = talloc_asprintf(
 690                                 talloc_tos(), "\\dir%.8d", idx);
 691                         if (dirname == NULL) {
 692                                 return false;
 693                         }
 694                         subdirname = talloc_asprintf(
 695                                 talloc_tos(), "\\dir%.8d\\subdir",
 696                                 (idx + torture_numops + 1) %
 697                                 (torture_nprocs * torture_numops));
 698                         if (subdirname == NULL) {
 699                                 return false;
 700                         }
 701
 702                         req = notify_bench3_send(
 703                                 talloc_tos(), ev, clis[i], dirname,
 704                                 subdirname, small, large);
 705                         if (req == NULL) {
 706                                 return false;
 707                         }
 708                         tevent_req_set_callback(req, notify_bench3_done,
 709                                                 &num_done);
 710                 }
 711         }
 712
 713         while (num_done < torture_nprocs * torture_numops) {
 714                 int ret;
 715                 ret = tevent_loop_once(ev);
 716                 if (ret != 0) {
 717                         printf("tevent_loop_once failed: %s\n",
 718                                strerror(errno));
 719                         return false;
 720                 }
 721         }
 722
 723         GetTimeOfDay(&now);
 724         printf("turndow: %f\n", timeval_elapsed2(&ts, &now));
 725         TALLOC_FREE(small);
 726         TALLOC_FREE(large);
 727         return true;
 728 }