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