source4/torture/raw/openbench.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    open benchmark
   5
   6    Copyright (C) Andrew Tridgell 2007
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "torture/torture.h"
  24 #include "libcli/raw/libcliraw.h"
  25 #include "libcli/raw/raw_proto.h"
  26 #include "system/time.h"
  27 #include "system/filesys.h"
  28 #include "libcli/libcli.h"
  29 #include "torture/util.h"
  30 #include "lib/events/events.h"
  31 #include "lib/cmdline/popt_common.h"
  32 #include "libcli/composite/composite.h"
  33 #include "libcli/smb_composite/smb_composite.h"
  34 #include "libcli/resolve/resolve.h"
  35 #include "param/param.h"
  36
  37 #define BASEDIR "\\benchopen"
  38
  39 static int nprocs;
  40 static int open_failed;
  41 static int close_failed;
  42 static char **fnames;
  43 static int num_connected;
  44 static struct timed_event *report_te;
  45
  46 struct benchopen_state {
  47         struct torture_context *tctx;
  48         TALLOC_CTX *mem_ctx;
  49         struct event_context *ev;
  50         struct smbcli_state *cli;
  51         struct smbcli_tree *tree;
  52         int client_num;
  53         int close_fnum;
  54         int open_fnum;
  55         int close_file_num;
  56         int open_file_num;
  57         int pending_file_num;
  58         int next_file_num;
  59         int count;
  60         int lastcount;
  61         union smb_open open_parms;
  62         int open_retries;
  63         union smb_close close_parms;
  64         struct smbcli_request *req_open;
  65         struct smbcli_request *req_close;
  66         struct smb_composite_connect reconnect;
  67         struct timed_event *te;
  68
  69         /* these are used for reconnections */
  70         const char **dest_ports;
  71         const char *dest_host;
  72         const char *called_name;
  73         const char *service_type;
  74 };
  75
  76 static void next_open(struct benchopen_state *state);
  77 static void reopen_connection(struct event_context *ev, struct timed_event *te,
  78                               struct timeval t, void *private_data);
  79
  80
  81 /*
  82   complete an async reconnect
  83  */
  84 static void reopen_connection_complete(struct composite_context *ctx)
  85 {
  86         struct benchopen_state *state = (struct benchopen_state *)ctx->async.private_data;
  87         NTSTATUS status;
  88         struct smb_composite_connect *io = &state->reconnect;
  89
  90         status = smb_composite_connect_recv(ctx, state->mem_ctx);
  91         if (!NT_STATUS_IS_OK(status)) {
  92                 talloc_free(state->te);
  93                 state->te = event_add_timed(state->ev, state->mem_ctx,
  94                                             timeval_current_ofs(1,0),
  95                                             reopen_connection, state);
  96                 return;
  97         }
  98
  99         state->tree = io->out.tree;
 100
 101         num_connected++;
 102
 103         DEBUG(0,("[%u] reconnect to %s finished (%u connected)\n",
 104                  state->client_num, state->dest_host, num_connected));
 105
 106         state->open_fnum = -1;
 107         state->close_fnum = -1;
 108         next_open(state);
 109 }
 110
 111
 112
 113 /*
 114   reopen a connection
 115  */
 116 static void reopen_connection(struct event_context *ev, struct timed_event *te,
 117                               struct timeval t, void *private_data)
 118 {
 119         struct benchopen_state *state = (struct benchopen_state *)private_data;
 120         struct composite_context *ctx;
 121         struct smb_composite_connect *io = &state->reconnect;
 122         char *host, *share;
 123
 124         state->te = NULL;
 125
 126         if (!torture_get_conn_index(state->client_num, state->mem_ctx, state->tctx, &host, &share)) {
 127                 DEBUG(0,("Can't find host/share for reconnect?!\n"));
 128                 exit(1);
 129         }
 130
 131         io->in.dest_host    = state->dest_host;
 132         io->in.dest_ports   = state->dest_ports;
 133         io->in.called_name  = state->called_name;
 134         io->in.service      = share;
 135         io->in.service_type = state->service_type;
 136         io->in.credentials  = cmdline_credentials;
 137         io->in.fallback_to_anonymous = false;
 138         io->in.workgroup    = lp_workgroup(state->tctx->lp_ctx);
 139         lp_smbcli_options(state->tctx->lp_ctx, &io->in.options);
 140         lp_smbcli_session_options(state->tctx->lp_ctx, &io->in.session_options);
 141
 142         /* kill off the remnants of the old connection */
 143         talloc_free(state->tree);
 144         state->tree = NULL;
 145         state->open_fnum = -1;
 146         state->close_fnum = -1;
 147
 148         ctx = smb_composite_connect_send(io, state->mem_ctx,
 149                                          lp_resolve_context(state->tctx->lp_ctx),
 150                                          state->ev);
 151         if (ctx == NULL) {
 152                 DEBUG(0,("Failed to setup async reconnect\n"));
 153                 exit(1);
 154         }
 155
 156         ctx->async.fn = reopen_connection_complete;
 157         ctx->async.private_data = state;
 158 }
 159
 160 static void open_completed(struct smbcli_request *req);
 161 static void close_completed(struct smbcli_request *req);
 162
 163
 164 static void next_open(struct benchopen_state *state)
 165 {
 166         state->count++;
 167
 168         state->pending_file_num = state->next_file_num;
 169         state->next_file_num = (state->next_file_num+1) % (3*nprocs);
 170
 171         DEBUG(2,("[%d] opening %u\n", state->client_num, state->pending_file_num));
 172         state->open_parms.ntcreatex.level = RAW_OPEN_NTCREATEX;
 173         state->open_parms.ntcreatex.in.flags = 0;
 174         state->open_parms.ntcreatex.in.root_fid = 0;
 175         state->open_parms.ntcreatex.in.access_mask = SEC_RIGHTS_FILE_ALL;
 176         state->open_parms.ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
 177         state->open_parms.ntcreatex.in.alloc_size = 0;
 178         state->open_parms.ntcreatex.in.share_access = 0;
 179         state->open_parms.ntcreatex.in.open_disposition = NTCREATEX_DISP_OVERWRITE_IF;
 180         state->open_parms.ntcreatex.in.create_options = 0;
 181         state->open_parms.ntcreatex.in.impersonation = 0;
 182         state->open_parms.ntcreatex.in.security_flags = 0;
 183         state->open_parms.ntcreatex.in.fname = fnames[state->pending_file_num];
 184
 185         state->req_open = smb_raw_open_send(state->tree, &state->open_parms);
 186         state->req_open->async.fn = open_completed;
 187         state->req_open->async.private = state;
 188 }
 189
 190
 191 static void next_close(struct benchopen_state *state)
 192 {
 193         if (state->close_fnum == -1) {
 194                 return;
 195         }
 196         DEBUG(2,("[%d] closing %d (fnum[%d])\n",
 197                  state->client_num, state->close_file_num, state->close_fnum));
 198         state->close_parms.close.level = RAW_CLOSE_CLOSE;
 199         state->close_parms.close.in.file.fnum = state->close_fnum;
 200         state->close_parms.close.in.write_time = 0;
 201
 202         state->req_close = smb_raw_close_send(state->tree, &state->close_parms);
 203         state->req_close->async.fn = close_completed;
 204         state->req_close->async.private = state;
 205 }
 206
 207 /*
 208   called when a open completes
 209 */
 210 static void open_completed(struct smbcli_request *req)
 211 {
 212         struct benchopen_state *state = (struct benchopen_state *)req->async.private;
 213         TALLOC_CTX *tmp_ctx = talloc_new(state->mem_ctx);
 214         NTSTATUS status;
 215
 216         status = smb_raw_open_recv(req, tmp_ctx, &state->open_parms);
 217
 218         talloc_free(tmp_ctx);
 219
 220         state->req_open = NULL;
 221
 222         if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE) ||
 223             NT_STATUS_EQUAL(status, NT_STATUS_LOCAL_DISCONNECT)) {
 224                 talloc_free(state->tree);
 225                 talloc_free(state->cli);
 226                 state->tree = NULL;
 227                 state->cli = NULL;
 228                 num_connected--;
 229                 DEBUG(0,("[%u] reopening connection to %s\n",
 230                          state->client_num, state->dest_host));
 231                 talloc_free(state->te);
 232                 state->te = event_add_timed(state->ev, state->mem_ctx,
 233                                             timeval_current_ofs(1,0),
 234                                             reopen_connection, state);
 235                 return;
 236         }
 237
 238         if (NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
 239                 DEBUG(2,("[%d] retrying open %d\n",
 240                          state->client_num, state->pending_file_num));
 241                 state->open_retries++;
 242                 state->req_open = smb_raw_open_send(state->tree, &state->open_parms);
 243                 state->req_open->async.fn = open_completed;
 244                 state->req_open->async.private = state;
 245                 return;
 246         }
 247
 248         if (!NT_STATUS_IS_OK(status)) {
 249                 open_failed++;
 250                 DEBUG(0,("[%u] open failed %d - %s\n",
 251                          state->client_num, state->pending_file_num,
 252                          nt_errstr(status)));
 253                 return;
 254         }
 255
 256         state->close_file_num = state->open_file_num;
 257         state->close_fnum = state->open_fnum;
 258         state->open_file_num = state->pending_file_num;
 259         state->open_fnum = state->open_parms.ntcreatex.out.file.fnum;
 260
 261         DEBUG(2,("[%d] open completed %d (fnum[%d])\n",
 262                  state->client_num, state->open_file_num, state->open_fnum));
 263
 264         if (state->close_fnum != -1) {
 265                 next_close(state);
 266         }
 267
 268         next_open(state);
 269 }
 270
 271 /*
 272   called when a close completes
 273 */
 274 static void close_completed(struct smbcli_request *req)
 275 {
 276         struct benchopen_state *state = (struct benchopen_state *)req->async.private;
 277         NTSTATUS status = smbcli_request_simple_recv(req);
 278
 279         state->req_close = NULL;
 280
 281         if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE) ||
 282             NT_STATUS_EQUAL(status, NT_STATUS_LOCAL_DISCONNECT)) {
 283                 talloc_free(state->tree);
 284                 talloc_free(state->cli);
 285                 state->tree = NULL;
 286                 state->cli = NULL;
 287                 num_connected--;
 288                 DEBUG(0,("[%u] reopening connection to %s\n",
 289                          state->client_num, state->dest_host));
 290                 talloc_free(state->te);
 291                 state->te = event_add_timed(state->ev, state->mem_ctx,
 292                                             timeval_current_ofs(1,0),
 293                                             reopen_connection, state);
 294                 return;
 295         }
 296
 297         if (!NT_STATUS_IS_OK(status)) {
 298                 close_failed++;
 299                 DEBUG(0,("[%u] close failed %d (fnum[%d]) - %s\n",
 300                          state->client_num, state->close_file_num,
 301                          state->close_fnum,
 302                          nt_errstr(status)));
 303                 return;
 304         }
 305
 306         DEBUG(2,("[%d] close completed %d (fnum[%d])\n",
 307                  state->client_num, state->close_file_num,
 308                  state->close_fnum));
 309 }
 310
 311 static void echo_completion(struct smbcli_request *req)
 312 {
 313         struct benchopen_state *state = (struct benchopen_state *)req->async.private;
 314         NTSTATUS status = smbcli_request_simple_recv(req);
 315         if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE) ||
 316             NT_STATUS_EQUAL(status, NT_STATUS_LOCAL_DISCONNECT)) {
 317                 talloc_free(state->tree);
 318                 state->tree = NULL;
 319                 num_connected--;
 320                 DEBUG(0,("[%u] reopening connection to %s\n",
 321                          state->client_num, state->dest_host));
 322                 talloc_free(state->te);
 323                 state->te = event_add_timed(state->ev, state->mem_ctx,
 324                                             timeval_current_ofs(1,0),
 325                                             reopen_connection, state);
 326         }
 327 }
 328
 329 static void report_rate(struct event_context *ev, struct timed_event *te,
 330                         struct timeval t, void *private_data)
 331 {
 332         struct benchopen_state *state = talloc_get_type(private_data,
 333                                                         struct benchopen_state);
 334         int i;
 335         for (i=0;i<nprocs;i++) {
 336                 printf("%5u ", (unsigned)(state[i].count - state[i].lastcount));
 337                 state[i].lastcount = state[i].count;
 338         }
 339         printf("\r");
 340         fflush(stdout);
 341         report_te = event_add_timed(ev, state, timeval_current_ofs(1, 0),
 342                                     report_rate, state);
 343
 344         /* send an echo on each interface to ensure it stays alive - this helps
 345            with IP takeover */
 346         for (i=0;i<nprocs;i++) {
 347                 struct smb_echo p;
 348                 struct smbcli_request *req;
 349
 350                 if (!state[i].tree) {
 351                         continue;
 352                 }
 353
 354                 p.in.repeat_count = 1;
 355                 p.in.size = 0;
 356                 p.in.data = NULL;
 357                 req = smb_raw_echo_send(state[i].tree->session->transport, &p);
 358                 req->async.private = &state[i];
 359                 req->async.fn      = echo_completion;
 360         }
 361 }
 362
 363 /*
 364    benchmark open calls
 365 */
 366 bool torture_bench_open(struct torture_context *torture)
 367 {
 368         bool ret = true;
 369         TALLOC_CTX *mem_ctx = talloc_new(torture);
 370         int i;
 371         int timelimit = torture_setting_int(torture, "timelimit", 10);
 372         struct timeval tv;
 373         struct benchopen_state *state;
 374         int total = 0;
 375         int total_retries = 0;
 376         int minops = 0;
 377         bool progress=false;
 378
 379         progress = torture_setting_bool(torture, "progress", true);
 380
 381         nprocs = torture_setting_int(torture, "nprocs", 4);
 382
 383         state = talloc_zero_array(mem_ctx, struct benchopen_state, nprocs);
 384
 385         printf("Opening %d connections\n", nprocs);
 386         for (i=0;i<nprocs;i++) {
 387                 state[i].tctx = torture;
 388                 state[i].mem_ctx = talloc_new(state);
 389                 state[i].client_num = i;
 390                 state[i].ev = torture->ev;
 391                 if (!torture_open_connection_ev(&state[i].cli, i, torture, torture->ev)) {
 392                         return false;
 393                 }
 394                 talloc_steal(mem_ctx, state);
 395                 state[i].tree = state[i].cli->tree;
 396                 state[i].dest_host = talloc_strdup(state[i].mem_ctx,
 397                                                    state[i].cli->tree->session->transport->socket->hostname);
 398                 state[i].dest_ports = talloc_array(state[i].mem_ctx,
 399                                                    const char *, 2);
 400                 state[i].dest_ports[0] = talloc_asprintf(state[i].dest_ports,
 401                                                          "%u", state[i].cli->tree->session->transport->socket->port);
 402                 state[i].dest_ports[1] = NULL;
 403                 state[i].called_name  = talloc_strdup(state[i].mem_ctx,
 404                                                       state[i].cli->tree->session->transport->called.name);
 405                 state[i].service_type = talloc_strdup(state[i].mem_ctx,
 406                                                       state[i].cli->tree->device);
 407         }
 408
 409         num_connected = i;
 410
 411         if (!torture_setup_dir(state[0].cli, BASEDIR)) {
 412                 goto failed;
 413         }
 414
 415         fnames = talloc_array(mem_ctx, char *, 3*nprocs);
 416         for (i=0;i<3*nprocs;i++) {
 417                 fnames[i] = talloc_asprintf(fnames, "%s\\file%d.dat", BASEDIR, i);
 418         }
 419
 420         for (i=0;i<nprocs;i++) {
 421                 /* all connections start with the same file */
 422                 state[i].next_file_num = 0;
 423                 state[i].open_fnum = -1;
 424                 state[i].close_fnum = -1;
 425                 next_open(&state[i]);
 426         }
 427
 428         tv = timeval_current();
 429
 430         if (progress) {
 431                 report_te = event_add_timed(torture->ev, state, timeval_current_ofs(1, 0),
 432                                             report_rate, state);
 433         }
 434
 435         printf("Running for %d seconds\n", timelimit);
 436         while (timeval_elapsed(&tv) < timelimit) {
 437                 event_loop_once(torture->ev);
 438
 439                 if (open_failed) {
 440                         DEBUG(0,("open failed\n"));
 441                         goto failed;
 442                 }
 443                 if (close_failed) {
 444                         DEBUG(0,("open failed\n"));
 445                         goto failed;
 446                 }
 447         }
 448
 449         talloc_free(report_te);
 450         if (progress) {
 451                 for (i=0;i<nprocs;i++) {
 452                         printf("      ");
 453                 }
 454                 printf("\r");
 455         }
 456
 457         minops = state[0].count;
 458         for (i=0;i<nprocs;i++) {
 459                 total += state[i].count;
 460                 total_retries += state[i].open_retries;
 461                 printf("[%d] %u ops (%u retries)\n",
 462                        i, state[i].count, state[i].open_retries);
 463                 if (state[i].count < minops) minops = state[i].count;
 464         }
 465         printf("%.2f ops/second (%d retries)\n",
 466                total/timeval_elapsed(&tv), total_retries);
 467         if (minops < 0.5*total/nprocs) {
 468                 printf("Failed: unbalanced open\n");
 469                 goto failed;
 470         }
 471
 472         for (i=0;i<nprocs;i++) {
 473                 talloc_free(state[i].req_open);
 474                 talloc_free(state[i].req_close);
 475                 smb_raw_exit(state[i].tree->session);
 476         }
 477
 478         smbcli_deltree(state[0].tree, BASEDIR);
 479         talloc_free(mem_ctx);
 480         return ret;
 481
 482 failed:
 483         talloc_free(mem_ctx);
 484         return false;
 485 }