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