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         struct torture_context *tctx;
  46         TALLOC_CTX *mem_ctx;
  47         struct event_context *ev;
  48         struct smbcli_state *cli;
  49         struct smbcli_tree *tree;
  50         int client_num;
  51         int old_fnum;
  52         int fnum;
  53         int file_num;
  54         int count;
  55         int lastcount;
  56         union smb_open open_parms;
  57         union smb_close close_parms;
  58         struct smbcli_request *req_open;
  59         struct smbcli_request *req_close;
  60         struct smb_composite_connect reconnect;
  61         struct timed_event *te;
  62
  63         /* these are used for reconnections */
  64         int dest_port;
  65         const char *dest_host;
  66         const char *called_name;
  67         const char *service_type;
  68 };
  69
  70 static void next_open(struct benchopen_state *state);
  71 static void reopen_connection(struct event_context *ev, struct timed_event *te,
  72                               struct timeval t, void *private_data);
  73
  74
  75 /*
  76   complete an async reconnect
  77  */
  78 static void reopen_connection_complete(struct composite_context *ctx)
  79 {
  80         struct benchopen_state *state = (struct benchopen_state *)ctx->async.private_data;
  81         NTSTATUS status;
  82         struct smb_composite_connect *io = &state->reconnect;
  83
  84         status = smb_composite_connect_recv(ctx, state->mem_ctx);
  85         if (!NT_STATUS_IS_OK(status)) {
  86                 talloc_free(state->te);
  87                 state->te = event_add_timed(state->ev, state->mem_ctx,
  88                                             timeval_current_ofs(1,0),
  89                                             reopen_connection, state);
  90                 return;
  91         }
  92
  93         state->tree = io->out.tree;
  94
  95         num_connected++;
  96
  97         DEBUG(0,("reconnect to %s finished (%u connected)\n", state->dest_host,
  98                  num_connected));
  99
 100         state->fnum = -1;
 101         state->old_fnum = -1;
 102         next_open(state);
 103 }
 104
 105
 106
 107 /*
 108   reopen a connection
 109  */
 110 static void reopen_connection(struct event_context *ev, struct timed_event *te,
 111                               struct timeval t, void *private_data)
 112 {
 113         struct benchopen_state *state = (struct benchopen_state *)private_data;
 114         struct composite_context *ctx;
 115         struct smb_composite_connect *io = &state->reconnect;
 116         char *host, *share;
 117
 118         state->te = NULL;
 119
 120         if (!torture_get_conn_index(state->client_num, state->mem_ctx, state->tctx, &host, &share)) {
 121                 DEBUG(0,("Can't find host/share for reconnect?!\n"));
 122                 exit(1);
 123         }
 124
 125         io->in.dest_host    = state->dest_host;
 126         io->in.port         = state->dest_port;
 127         io->in.called_name  = state->called_name;
 128         io->in.service      = share;
 129         io->in.service_type = state->service_type;
 130         io->in.credentials  = cmdline_credentials;
 131         io->in.fallback_to_anonymous = false;
 132         io->in.workgroup    = lp_workgroup(global_loadparm);
 133
 134         /* kill off the remnants of the old connection */
 135         talloc_free(state->tree);
 136         state->tree = NULL;
 137         state->fnum = -1;
 138
 139         ctx = smb_composite_connect_send(io, state->mem_ctx, state->ev);
 140         if (ctx == NULL) {
 141                 DEBUG(0,("Failed to setup async reconnect\n"));
 142                 exit(1);
 143         }
 144
 145         ctx->async.fn = reopen_connection_complete;
 146         ctx->async.private_data = state;
 147 }
 148
 149 static void open_completed(struct smbcli_request *req);
 150 static void close_completed(struct smbcli_request *req);
 151
 152
 153 static void next_open(struct benchopen_state *state)
 154 {
 155         state->count++;
 156
 157         state->file_num = (state->file_num+1) % (3*nprocs);
 158
 159         DEBUG(2,("[%d] opening %u\n", state->client_num, state->file_num));
 160         state->open_parms.ntcreatex.level = RAW_OPEN_NTCREATEX;
 161         state->open_parms.ntcreatex.in.flags = 0;
 162         state->open_parms.ntcreatex.in.root_fid = 0;
 163         state->open_parms.ntcreatex.in.access_mask = SEC_RIGHTS_FILE_ALL;
 164         state->open_parms.ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
 165         state->open_parms.ntcreatex.in.alloc_size = 0;
 166         state->open_parms.ntcreatex.in.share_access = 0;
 167         state->open_parms.ntcreatex.in.open_disposition = NTCREATEX_DISP_OVERWRITE_IF;
 168         state->open_parms.ntcreatex.in.create_options = 0;
 169         state->open_parms.ntcreatex.in.impersonation = 0;
 170         state->open_parms.ntcreatex.in.security_flags = 0;
 171         state->open_parms.ntcreatex.in.fname = fnames[state->file_num];
 172
 173         state->req_open = smb_raw_open_send(state->tree, &state->open_parms);
 174         state->req_open->async.fn = open_completed;
 175         state->req_open->async.private = state;
 176 }
 177
 178
 179 static void next_close(struct benchopen_state *state)
 180 {
 181         DEBUG(2,("[%d] closing %d\n", state->client_num, state->old_fnum));
 182         if (state->old_fnum == -1) {
 183                 return;
 184         }
 185         state->close_parms.close.level = RAW_CLOSE_CLOSE;
 186         state->close_parms.close.in.file.fnum = state->old_fnum;
 187         state->close_parms.close.in.write_time = 0;
 188
 189         state->req_close = smb_raw_close_send(state->tree, &state->close_parms);
 190         state->req_close->async.fn = close_completed;
 191         state->req_close->async.private = state;
 192         state->old_fnum = -1;
 193 }
 194
 195 /*
 196   called when a open completes
 197 */
 198 static void open_completed(struct smbcli_request *req)
 199 {
 200         struct benchopen_state *state = (struct benchopen_state *)req->async.private;
 201         TALLOC_CTX *tmp_ctx = talloc_new(state->mem_ctx);
 202         NTSTATUS status;
 203
 204         status = smb_raw_open_recv(req, tmp_ctx, &state->open_parms);
 205
 206         talloc_free(tmp_ctx);
 207
 208         state->req_open = NULL;
 209
 210         if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE) ||
 211             NT_STATUS_EQUAL(status, NT_STATUS_LOCAL_DISCONNECT)) {
 212                 talloc_free(state->tree);
 213                 talloc_free(state->cli);
 214                 state->tree = NULL;
 215                 state->cli = NULL;
 216                 num_connected--;
 217                 DEBUG(0,("reopening connection to %s\n", state->dest_host));
 218                 talloc_free(state->te);
 219                 state->te = event_add_timed(state->ev, state->mem_ctx,
 220                                             timeval_current_ofs(1,0),
 221                                             reopen_connection, state);
 222                 return;
 223         }
 224
 225         if (NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
 226                 DEBUG(2,("[%d] retrying open\n", state->client_num));
 227                 open_retries++;
 228                 state->req_open = smb_raw_open_send(state->tree, &state->open_parms);
 229                 state->req_open->async.fn = open_completed;
 230                 state->req_open->async.private = state;
 231                 return;
 232         }
 233
 234         if (!NT_STATUS_IS_OK(status)) {
 235                 open_failed++;
 236                 DEBUG(0,("open failed - %s\n", nt_errstr(status)));
 237                 return;
 238         }
 239
 240         state->old_fnum = state->fnum;
 241         state->fnum = state->open_parms.ntcreatex.out.file.fnum;
 242
 243         DEBUG(2,("[%d] open completed: fnum=%d old_fnum=%d\n",
 244                  state->client_num, state->fnum, state->old_fnum));
 245
 246         if (state->old_fnum != -1) {
 247                 next_close(state);
 248         }
 249
 250         next_open(state);
 251 }
 252
 253 /*
 254   called when a close completes
 255 */
 256 static void close_completed(struct smbcli_request *req)
 257 {
 258         struct benchopen_state *state = (struct benchopen_state *)req->async.private;
 259         NTSTATUS status = smbcli_request_simple_recv(req);
 260
 261         state->req_close = NULL;
 262
 263         if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE) ||
 264             NT_STATUS_EQUAL(status, NT_STATUS_LOCAL_DISCONNECT)) {
 265                 talloc_free(state->tree);
 266                 talloc_free(state->cli);
 267                 state->tree = NULL;
 268                 state->cli = NULL;
 269                 num_connected--;
 270                 DEBUG(0,("reopening connection to %s\n", state->dest_host));
 271                 talloc_free(state->te);
 272                 state->te = event_add_timed(state->ev, state->mem_ctx,
 273                                             timeval_current_ofs(1,0),
 274                                             reopen_connection, state);
 275                 return;
 276         }
 277
 278         if (!NT_STATUS_IS_OK(status)) {
 279                 open_failed++;
 280                 DEBUG(0,("close failed - %s\n", nt_errstr(status)));
 281                 return;
 282         }
 283
 284         DEBUG(2,("[%d] close completed: fnum=%d old_fnum=%d\n",
 285                  state->client_num, state->fnum, state->old_fnum));
 286 }
 287
 288 static void echo_completion(struct smbcli_request *req)
 289 {
 290         struct benchopen_state *state = (struct benchopen_state *)req->async.private;
 291         NTSTATUS status = smbcli_request_simple_recv(req);
 292         if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE) ||
 293             NT_STATUS_EQUAL(status, NT_STATUS_LOCAL_DISCONNECT)) {
 294                 talloc_free(state->tree);
 295                 state->tree = NULL;
 296                 num_connected--;
 297                 DEBUG(0,("reopening connection to %s\n", state->dest_host));
 298                 talloc_free(state->te);
 299                 state->te = event_add_timed(state->ev, state->mem_ctx,
 300                                             timeval_current_ofs(1,0),
 301                                             reopen_connection, state);
 302         }
 303 }
 304
 305 static void report_rate(struct event_context *ev, struct timed_event *te,
 306                         struct timeval t, void *private_data)
 307 {
 308         struct benchopen_state *state = talloc_get_type(private_data,
 309                                                         struct benchopen_state);
 310         int i;
 311         for (i=0;i<nprocs;i++) {
 312                 printf("%5u ", (unsigned)(state[i].count - state[i].lastcount));
 313                 state[i].lastcount = state[i].count;
 314         }
 315         printf("\r");
 316         fflush(stdout);
 317         report_te = event_add_timed(ev, state, timeval_current_ofs(1, 0),
 318                                     report_rate, state);
 319
 320         /* send an echo on each interface to ensure it stays alive - this helps
 321            with IP takeover */
 322         for (i=0;i<nprocs;i++) {
 323                 struct smb_echo p;
 324                 struct smbcli_request *req;
 325
 326                 if (!state[i].tree) {
 327                         continue;
 328                 }
 329
 330                 p.in.repeat_count = 1;
 331                 p.in.size = 0;
 332                 p.in.data = NULL;
 333                 req = smb_raw_echo_send(state[i].tree->session->transport, &p);
 334                 req->async.private = &state[i];
 335                 req->async.fn      = echo_completion;
 336         }
 337 }
 338
 339 /*
 340    benchmark open calls
 341 */
 342 bool torture_bench_open(struct torture_context *torture)
 343 {
 344         bool ret = true;
 345         TALLOC_CTX *mem_ctx = talloc_new(torture);
 346         int i;
 347         int timelimit = torture_setting_int(torture, "timelimit", 10);
 348         struct timeval tv;
 349         struct event_context *ev = event_context_find(mem_ctx);
 350         struct benchopen_state *state;
 351         int total = 0, minops=0;
 352         bool progress=false;
 353
 354         progress = torture_setting_bool(torture, "progress", true);
 355
 356         nprocs = torture_setting_int(torture, "nprocs", 4);
 357
 358         state = talloc_zero_array(mem_ctx, struct benchopen_state, nprocs);
 359
 360         printf("Opening %d connections\n", nprocs);
 361         for (i=0;i<nprocs;i++) {
 362                 state[i].tctx = torture;
 363                 state[i].mem_ctx = talloc_new(state);
 364                 state[i].client_num = i;
 365                 state[i].ev = ev;
 366                 if (!torture_open_connection_ev(&state[i].cli, i, torture, ev)) {
 367                         return false;
 368                 }
 369                 talloc_steal(mem_ctx, state);
 370                 state[i].tree = state[i].cli->tree;
 371                 state[i].dest_host = talloc_strdup(state[i].mem_ctx,
 372                                                    state[i].cli->tree->session->transport->socket->hostname);
 373                 state[i].dest_port = state[i].cli->tree->session->transport->socket->port;
 374                 state[i].called_name  = talloc_strdup(state[i].mem_ctx,
 375                                                       state[i].cli->tree->session->transport->called.name);
 376                 state[i].service_type = talloc_strdup(state[i].mem_ctx,
 377                                                       state[i].cli->tree->device);
 378         }
 379
 380         num_connected = i;
 381
 382         if (!torture_setup_dir(state[0].cli, BASEDIR)) {
 383                 goto failed;
 384         }
 385
 386         fnames = talloc_array(mem_ctx, char *, 3*nprocs);
 387         for (i=0;i<3*nprocs;i++) {
 388                 fnames[i] = talloc_asprintf(fnames, "%s\\file%d.dat", BASEDIR, i);
 389         }
 390
 391         for (i=0;i<nprocs;i++) {
 392                 state[i].file_num = i;
 393                 state[i].fnum = smbcli_open(state[i].tree,
 394                                             fnames[state->file_num],
 395                                             O_RDWR|O_CREAT, DENY_ALL);
 396                 state[i].old_fnum = -1;
 397                 next_open(&state[i]);
 398         }
 399
 400         tv = timeval_current();
 401
 402         if (progress) {
 403                 report_te = event_add_timed(ev, state, timeval_current_ofs(1, 0),
 404                                             report_rate, state);
 405         }
 406
 407         printf("Running for %d seconds\n", timelimit);
 408         while (timeval_elapsed(&tv) < timelimit) {
 409                 event_loop_once(ev);
 410
 411                 if (open_failed) {
 412                         DEBUG(0,("open failed\n"));
 413                         goto failed;
 414                 }
 415         }
 416
 417         talloc_free(report_te);
 418
 419         printf("%.2f ops/second (%d retries)\n",
 420                total/timeval_elapsed(&tv), open_retries);
 421         minops = state[0].count;
 422         for (i=0;i<nprocs;i++) {
 423                 printf("[%d] %u ops\n", i, state[i].count);
 424                 if (state[i].count < minops) minops = state[i].count;
 425         }
 426         if (minops < 0.5*total/nprocs) {
 427                 printf("Failed: unbalanced open\n");
 428                 goto failed;
 429         }
 430
 431         for (i=0;i<nprocs;i++) {
 432                 talloc_free(state[i].req_open);
 433                 talloc_free(state[i].req_close);
 434                 smb_raw_exit(state[i].tree->session);
 435         }
 436
 437         smbcli_deltree(state[0].tree, BASEDIR);
 438         talloc_free(mem_ctx);
 439         return ret;
 440
 441 failed:
 442         talloc_free(mem_ctx);
 443         return false;
 444 }