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 tevent_timer *report_te;
  45
  46 struct benchopen_state {
  47         struct torture_context *tctx;
  48         TALLOC_CTX *mem_ctx;
  49         struct tevent_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 tevent_timer *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 tevent_context *ev, struct tevent_timer *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 tevent_context *ev, struct tevent_timer *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.socket_options = lp_socket_options(state->tctx->lp_ctx);
 134         io->in.called_name  = state->called_name;
 135         io->in.service      = share;
 136         io->in.service_type = state->service_type;
 137         io->in.credentials  = cmdline_credentials;
 138         io->in.fallback_to_anonymous = false;
 139         io->in.workgroup    = lp_workgroup(state->tctx->lp_ctx);
 140         io->in.gensec_settings = lp_gensec_settings(state->mem_ctx, state->tctx->lp_ctx);
 141         lp_smbcli_options(state->tctx->lp_ctx, &io->in.options);
 142         lp_smbcli_session_options(state->tctx->lp_ctx, &io->in.session_options);
 143
 144         /* kill off the remnants of the old connection */
 145         talloc_free(state->tree);
 146         state->tree = NULL;
 147         state->open_fnum = -1;
 148         state->close_fnum = -1;
 149
 150         ctx = smb_composite_connect_send(io, state->mem_ctx,
 151                                          lp_resolve_context(state->tctx->lp_ctx),
 152                                          state->ev);
 153         if (ctx == NULL) {
 154                 DEBUG(0,("Failed to setup async reconnect\n"));
 155                 exit(1);
 156         }
 157
 158         ctx->async.fn = reopen_connection_complete;
 159         ctx->async.private_data = state;
 160 }
 161
 162 static void open_completed(struct smbcli_request *req);
 163 static void close_completed(struct smbcli_request *req);
 164
 165
 166 static void next_open(struct benchopen_state *state)
 167 {
 168         state->count++;
 169
 170         state->pending_file_num = state->next_file_num;
 171         state->next_file_num = (state->next_file_num+1) % (3*nprocs);
 172
 173         DEBUG(2,("[%d] opening %u\n", state->client_num, state->pending_file_num));
 174         state->open_parms.ntcreatex.level = RAW_OPEN_NTCREATEX;
 175         state->open_parms.ntcreatex.in.flags = 0;
 176         state->open_parms.ntcreatex.in.root_fid = 0;
 177         state->open_parms.ntcreatex.in.access_mask = SEC_RIGHTS_FILE_ALL;
 178         state->open_parms.ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
 179         state->open_parms.ntcreatex.in.alloc_size = 0;
 180         state->open_parms.ntcreatex.in.share_access = 0;
 181         state->open_parms.ntcreatex.in.open_disposition = NTCREATEX_DISP_OVERWRITE_IF;
 182         state->open_parms.ntcreatex.in.create_options = 0;
 183         state->open_parms.ntcreatex.in.impersonation = 0;
 184         state->open_parms.ntcreatex.in.security_flags = 0;
 185         state->open_parms.ntcreatex.in.fname = fnames[state->pending_file_num];
 186
 187         state->req_open = smb_raw_open_send(state->tree, &state->open_parms);
 188         state->req_open->async.fn = open_completed;
 189         state->req_open->async.private = state;
 190 }
 191
 192
 193 static void next_close(struct benchopen_state *state)
 194 {
 195         if (state->close_fnum == -1) {
 196                 return;
 197         }
 198         DEBUG(2,("[%d] closing %d (fnum[%d])\n",
 199                  state->client_num, state->close_file_num, state->close_fnum));
 200         state->close_parms.close.level = RAW_CLOSE_CLOSE;
 201         state->close_parms.close.in.file.fnum = state->close_fnum;
 202         state->close_parms.close.in.write_time = 0;
 203
 204         state->req_close = smb_raw_close_send(state->tree, &state->close_parms);
 205         state->req_close->async.fn = close_completed;
 206         state->req_close->async.private = state;
 207 }
 208
 209 /*
 210   called when a open completes
 211 */
 212 static void open_completed(struct smbcli_request *req)
 213 {
 214         struct benchopen_state *state = (struct benchopen_state *)req->async.private;
 215         TALLOC_CTX *tmp_ctx = talloc_new(state->mem_ctx);
 216         NTSTATUS status;
 217
 218         status = smb_raw_open_recv(req, tmp_ctx, &state->open_parms);
 219
 220         talloc_free(tmp_ctx);
 221
 222         state->req_open = NULL;
 223
 224         if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE) ||
 225             NT_STATUS_EQUAL(status, NT_STATUS_LOCAL_DISCONNECT)) {
 226                 talloc_free(state->tree);
 227                 talloc_free(state->cli);
 228                 state->tree = NULL;
 229                 state->cli = NULL;
 230                 num_connected--;
 231                 DEBUG(0,("[%u] reopening connection to %s\n",
 232                          state->client_num, state->dest_host));
 233                 talloc_free(state->te);
 234                 state->te = event_add_timed(state->ev, state->mem_ctx,
 235                                             timeval_current_ofs(1,0),
 236                                             reopen_connection, state);
 237                 return;
 238         }
 239
 240         if (NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
 241                 DEBUG(2,("[%d] retrying open %d\n",
 242                          state->client_num, state->pending_file_num));
 243                 state->open_retries++;
 244                 state->req_open = smb_raw_open_send(state->tree, &state->open_parms);
 245                 state->req_open->async.fn = open_completed;
 246                 state->req_open->async.private = state;
 247                 return;
 248         }
 249
 250         if (!NT_STATUS_IS_OK(status)) {
 251                 open_failed++;
 252                 DEBUG(0,("[%u] open failed %d - %s\n",
 253                          state->client_num, state->pending_file_num,
 254                          nt_errstr(status)));
 255                 return;
 256         }
 257
 258         state->close_file_num = state->open_file_num;
 259         state->close_fnum = state->open_fnum;
 260         state->open_file_num = state->pending_file_num;
 261         state->open_fnum = state->open_parms.ntcreatex.out.file.fnum;
 262
 263         DEBUG(2,("[%d] open completed %d (fnum[%d])\n",
 264                  state->client_num, state->open_file_num, state->open_fnum));
 265
 266         if (state->close_fnum != -1) {
 267                 next_close(state);
 268         }
 269
 270         next_open(state);
 271 }
 272
 273 /*
 274   called when a close completes
 275 */
 276 static void close_completed(struct smbcli_request *req)
 277 {
 278         struct benchopen_state *state = (struct benchopen_state *)req->async.private;
 279         NTSTATUS status = smbcli_request_simple_recv(req);
 280
 281         state->req_close = NULL;
 282
 283         if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE) ||
 284             NT_STATUS_EQUAL(status, NT_STATUS_LOCAL_DISCONNECT)) {
 285                 talloc_free(state->tree);
 286                 talloc_free(state->cli);
 287                 state->tree = NULL;
 288                 state->cli = NULL;
 289                 num_connected--;
 290                 DEBUG(0,("[%u] reopening connection to %s\n",
 291                          state->client_num, state->dest_host));
 292                 talloc_free(state->te);
 293                 state->te = event_add_timed(state->ev, state->mem_ctx,
 294                                             timeval_current_ofs(1,0),
 295                                             reopen_connection, state);
 296                 return;
 297         }
 298
 299         if (!NT_STATUS_IS_OK(status)) {
 300                 close_failed++;
 301                 DEBUG(0,("[%u] close failed %d (fnum[%d]) - %s\n",
 302                          state->client_num, state->close_file_num,
 303                          state->close_fnum,
 304                          nt_errstr(status)));
 305                 return;
 306         }
 307
 308         DEBUG(2,("[%d] close completed %d (fnum[%d])\n",
 309                  state->client_num, state->close_file_num,
 310                  state->close_fnum));
 311 }
 312
 313 static void echo_completion(struct smbcli_request *req)
 314 {
 315         struct benchopen_state *state = (struct benchopen_state *)req->async.private;
 316         NTSTATUS status = smbcli_request_simple_recv(req);
 317         if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE) ||
 318             NT_STATUS_EQUAL(status, NT_STATUS_LOCAL_DISCONNECT)) {
 319                 talloc_free(state->tree);
 320                 state->tree = NULL;
 321                 num_connected--;
 322                 DEBUG(0,("[%u] reopening connection to %s\n",
 323                          state->client_num, state->dest_host));
 324                 talloc_free(state->te);
 325                 state->te = event_add_timed(state->ev, state->mem_ctx,
 326                                             timeval_current_ofs(1,0),
 327                                             reopen_connection, state);
 328         }
 329 }
 330
 331 static void report_rate(struct tevent_context *ev, struct tevent_timer *te,
 332                         struct timeval t, void *private_data)
 333 {
 334         struct benchopen_state *state = talloc_get_type(private_data,
 335                                                         struct benchopen_state);
 336         int i;
 337         for (i=0;i<nprocs;i++) {
 338                 printf("%5u ", (unsigned)(state[i].count - state[i].lastcount));
 339                 state[i].lastcount = state[i].count;
 340         }
 341         printf("\r");
 342         fflush(stdout);
 343         report_te = event_add_timed(ev, state, timeval_current_ofs(1, 0),
 344                                     report_rate, state);
 345
 346         /* send an echo on each interface to ensure it stays alive - this helps
 347            with IP takeover */
 348         for (i=0;i<nprocs;i++) {
 349                 struct smb_echo p;
 350                 struct smbcli_request *req;
 351
 352                 if (!state[i].tree) {
 353                         continue;
 354                 }
 355
 356                 p.in.repeat_count = 1;
 357                 p.in.size = 0;
 358                 p.in.data = NULL;
 359                 req = smb_raw_echo_send(state[i].tree->session->transport, &p);
 360                 req->async.private = &state[i];
 361                 req->async.fn      = echo_completion;
 362         }
 363 }
 364
 365 /*
 366    benchmark open calls
 367 */
 368 bool torture_bench_open(struct torture_context *torture)
 369 {
 370         bool ret = true;
 371         TALLOC_CTX *mem_ctx = talloc_new(torture);
 372         int i;
 373         int timelimit = torture_setting_int(torture, "timelimit", 10);
 374         struct timeval tv;
 375         struct benchopen_state *state;
 376         int total = 0;
 377         int total_retries = 0;
 378         int minops = 0;
 379         bool progress=false;
 380
 381         progress = torture_setting_bool(torture, "progress", true);
 382
 383         nprocs = torture_setting_int(torture, "nprocs", 4);
 384
 385         state = talloc_zero_array(mem_ctx, struct benchopen_state, nprocs);
 386
 387         printf("Opening %d connections\n", nprocs);
 388         for (i=0;i<nprocs;i++) {
 389                 state[i].tctx = torture;
 390                 state[i].mem_ctx = talloc_new(state);
 391                 state[i].client_num = i;
 392                 state[i].ev = torture->ev;
 393                 if (!torture_open_connection_ev(&state[i].cli, i, torture, torture->ev)) {
 394                         return false;
 395                 }
 396                 talloc_steal(mem_ctx, state);
 397                 state[i].tree = state[i].cli->tree;
 398                 state[i].dest_host = talloc_strdup(state[i].mem_ctx,
 399                                                    state[i].cli->tree->session->transport->socket->hostname);
 400                 state[i].dest_ports = talloc_array(state[i].mem_ctx,
 401                                                    const char *, 2);
 402                 state[i].dest_ports[0] = talloc_asprintf(state[i].dest_ports,
 403                                                          "%u", state[i].cli->tree->session->transport->socket->port);
 404                 state[i].dest_ports[1] = NULL;
 405                 state[i].called_name  = talloc_strdup(state[i].mem_ctx,
 406                                                       state[i].cli->tree->session->transport->called.name);
 407                 state[i].service_type = talloc_strdup(state[i].mem_ctx,
 408                                                       state[i].cli->tree->device);
 409         }
 410
 411         num_connected = i;
 412
 413         if (!torture_setup_dir(state[0].cli, BASEDIR)) {
 414                 goto failed;
 415         }
 416
 417         fnames = talloc_array(mem_ctx, char *, 3*nprocs);
 418         for (i=0;i<3*nprocs;i++) {
 419                 fnames[i] = talloc_asprintf(fnames, "%s\\file%d.dat", BASEDIR, i);
 420         }
 421
 422         for (i=0;i<nprocs;i++) {
 423                 /* all connections start with the same file */
 424                 state[i].next_file_num = 0;
 425                 state[i].open_fnum = -1;
 426                 state[i].close_fnum = -1;
 427                 next_open(&state[i]);
 428         }
 429
 430         tv = timeval_current();
 431
 432         if (progress) {
 433                 report_te = event_add_timed(torture->ev, state, timeval_current_ofs(1, 0),
 434                                             report_rate, state);
 435         }
 436
 437         printf("Running for %d seconds\n", timelimit);
 438         while (timeval_elapsed(&tv) < timelimit) {
 439                 event_loop_once(torture->ev);
 440
 441                 if (open_failed) {
 442                         DEBUG(0,("open failed\n"));
 443                         goto failed;
 444                 }
 445                 if (close_failed) {
 446                         DEBUG(0,("open failed\n"));
 447                         goto failed;
 448                 }
 449         }
 450
 451         talloc_free(report_te);
 452         if (progress) {
 453                 for (i=0;i<nprocs;i++) {
 454                         printf("      ");
 455                 }
 456                 printf("\r");
 457         }
 458
 459         minops = state[0].count;
 460         for (i=0;i<nprocs;i++) {
 461                 total += state[i].count;
 462                 total_retries += state[i].open_retries;
 463                 printf("[%d] %u ops (%u retries)\n",
 464                        i, state[i].count, state[i].open_retries);
 465                 if (state[i].count < minops) minops = state[i].count;
 466         }
 467         printf("%.2f ops/second (%d retries)\n",
 468                total/timeval_elapsed(&tv), total_retries);
 469         if (minops < 0.5*total/nprocs) {
 470                 printf("Failed: unbalanced open\n");
 471                 goto failed;
 472         }
 473
 474         for (i=0;i<nprocs;i++) {
 475                 talloc_free(state[i].req_open);
 476                 talloc_free(state[i].req_close);
 477                 smb_raw_exit(state[i].tree->session);
 478         }
 479
 480         smbcli_deltree(state[0].tree, BASEDIR);
 481         talloc_free(mem_ctx);
 482         return ret;
 483
 484 failed:
 485         talloc_free(mem_ctx);
 486         return false;
 487 }