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 2 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, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "torture/torture.h"
  25 #include "libcli/raw/libcliraw.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
  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
  43 enum open_stage {OPEN_INITIAL, OPEN_OPEN, OPEN_CLOSE};
  44
  45 struct benchopen_state {
  46         TALLOC_CTX *mem_ctx;
  47         struct event_context *ev;
  48         struct smbcli_state *cli;
  49         struct smbcli_tree *tree;
  50         enum open_stage stage;
  51         int client_num;
  52         int old_fnum;
  53         int fnum;
  54         int file_num;
  55         int count;
  56         int lastcount;
  57         union smb_open open_parms;
  58         union smb_close close_parms;
  59         struct smbcli_request *req_open;
  60         struct smbcli_request *req_close;
  61         struct smb_composite_connect reconnect;
  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 next_operation(struct benchopen_state *state);
  72 static void reopen_connection(struct event_context *ev, struct timed_event *te,
  73                               struct timeval t, void *private_data);
  74
  75
  76 /*
  77   complete an async reconnect
  78  */
  79 static void reopen_connection_complete(struct composite_context *ctx)
  80 {
  81         struct benchopen_state *state = (struct benchopen_state *)ctx->async.private_data;
  82         NTSTATUS status;
  83         struct smb_composite_connect *io = &state->reconnect;
  84
  85         status = smb_composite_connect_recv(ctx, state->mem_ctx);
  86         if (!NT_STATUS_IS_OK(status)) {
  87                 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->stage = OPEN_INITIAL;
 101         state->fnum = -1;
 102         next_operation(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         if (!torture_get_conn_index(state->client_num, state->mem_ctx, &host, &share)) {
 119                 DEBUG(0,("Can't find host/share for reconnect?!\n"));
 120                 exit(1);
 121         }
 122
 123         io->in.dest_host    = state->dest_host;
 124         io->in.port         = state->dest_port;
 125         io->in.called_name  = state->called_name;
 126         io->in.service      = share;
 127         io->in.service_type = state->service_type;
 128         io->in.credentials  = cmdline_credentials;
 129         io->in.fallback_to_anonymous = False;
 130         io->in.workgroup    = lp_workgroup();
 131
 132         /* kill off the remnants of the old connection */
 133         talloc_free(state->tree);
 134         state->tree = NULL;
 135         state->fnum = -1;
 136
 137         ctx = smb_composite_connect_send(io, state->mem_ctx, state->ev);
 138         if (ctx == NULL) {
 139                 DEBUG(0,("Failed to setup async reconnect\n"));
 140                 exit(1);
 141         }
 142
 143         ctx->async.fn = reopen_connection_complete;
 144         ctx->async.private_data = state;
 145 }
 146
 147 static void open_completed(struct smbcli_request *req);
 148 static void close_completed(struct smbcli_request *req);
 149
 150
 151 static void next_open(struct benchopen_state *state)
 152 {
 153         state->count++;
 154
 155         state->file_num = (state->file_num+1) % (nprocs+1);
 156         state->open_parms.ntcreatex.level = RAW_OPEN_NTCREATEX;
 157         state->open_parms.ntcreatex.in.flags = 0;
 158         state->open_parms.ntcreatex.in.root_fid = 0;
 159         state->open_parms.ntcreatex.in.access_mask = SEC_RIGHTS_FILE_ALL;
 160         state->open_parms.ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
 161         state->open_parms.ntcreatex.in.alloc_size = 0;
 162         state->open_parms.ntcreatex.in.share_access = 0;
 163         state->open_parms.ntcreatex.in.open_disposition = NTCREATEX_DISP_OVERWRITE_IF;
 164         state->open_parms.ntcreatex.in.create_options = 0;
 165         state->open_parms.ntcreatex.in.impersonation = 0;
 166         state->open_parms.ntcreatex.in.security_flags = 0;
 167         state->open_parms.ntcreatex.in.fname = fnames[state->file_num];
 168
 169         state->req_open = smb_raw_open_send(state->tree, &state->open_parms);
 170         state->req_open->async.fn = open_completed;
 171         state->req_open->async.private = state;
 172 }
 173
 174
 175 static void next_close(struct benchopen_state *state)
 176 {
 177         state->close_parms.close.level = RAW_CLOSE_CLOSE;
 178         state->close_parms.close.in.file.fnum = state->old_fnum;
 179         state->close_parms.close.in.write_time = 0;
 180
 181         state->req_close = smb_raw_close_send(state->tree, &state->close_parms);
 182         state->req_close->async.fn = close_completed;
 183         state->req_close->async.private = state;
 184 }
 185
 186 /*
 187   called when a open completes
 188 */
 189 static void open_completed(struct smbcli_request *req)
 190 {
 191         struct benchopen_state *state = (struct benchopen_state *)req->async.private;
 192         TALLOC_CTX *tmp_ctx = talloc_new(state->mem_ctx);
 193         NTSTATUS status;
 194
 195         state->old_fnum = state->fnum;
 196
 197         status = smb_raw_open_recv(req, tmp_ctx, &state->open_parms);
 198
 199         talloc_free(tmp_ctx);
 200
 201         state->req_open = NULL;
 202
 203         if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE) ||
 204             NT_STATUS_EQUAL(status, NT_STATUS_LOCAL_DISCONNECT)) {
 205                 talloc_free(state->tree);
 206                 talloc_free(state->cli);
 207                 state->tree = NULL;
 208                 state->cli = NULL;
 209                 num_connected--;
 210                 DEBUG(0,("reopening connection to %s\n", state->dest_host));
 211                 event_add_timed(state->ev, state->mem_ctx,
 212                                 timeval_current_ofs(1,0),
 213                                 reopen_connection, state);
 214                 return;
 215         }
 216
 217         if (NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
 218                 open_retries++;
 219                 state->req_open = smb_raw_open_send(state->tree, &state->open_parms);
 220                 state->req_open->async.fn = open_completed;
 221                 state->req_open->async.private = state;
 222                 return;
 223         }
 224
 225         if (!NT_STATUS_IS_OK(status)) {
 226                 open_failed++;
 227                 DEBUG(0,("open failed - %s\n", nt_errstr(status)));
 228                 return;
 229         }
 230
 231         state->fnum = state->open_parms.ntcreatex.out.file.fnum;
 232
 233         next_operation(state);
 234 }
 235
 236 /*
 237   called when a close completes
 238 */
 239 static void close_completed(struct smbcli_request *req)
 240 {
 241         struct benchopen_state *state = (struct benchopen_state *)req->async.private;
 242         NTSTATUS status = smbcli_request_simple_recv(req);
 243
 244         state->req_close = NULL;
 245
 246         if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE) ||
 247             NT_STATUS_EQUAL(status, NT_STATUS_LOCAL_DISCONNECT)) {
 248                 talloc_free(state->tree);
 249                 talloc_free(state->cli);
 250                 state->tree = NULL;
 251                 state->cli = NULL;
 252                 num_connected--;
 253                 DEBUG(0,("reopening connection to %s\n", state->dest_host));
 254                 event_add_timed(state->ev, state->mem_ctx,
 255                                 timeval_current_ofs(1,0),
 256                                 reopen_connection, state);
 257                 return;
 258         }
 259
 260         if (!NT_STATUS_IS_OK(status)) {
 261                 open_failed++;
 262                 DEBUG(0,("close failed - %s\n", nt_errstr(status)));
 263                 return;
 264         }
 265
 266         next_operation(state);
 267 }
 268
 269 static void next_operation(struct benchopen_state *state)
 270 {
 271         switch (state->stage) {
 272         case OPEN_INITIAL:
 273                 next_open(state);
 274                 state->stage = OPEN_OPEN;
 275                 break;
 276         case OPEN_OPEN:
 277                 next_open(state);
 278                 state->stage = OPEN_CLOSE;
 279                 break;
 280         case OPEN_CLOSE:
 281                 next_close(state);
 282                 state->stage = OPEN_OPEN;
 283                 break;
 284         }
 285 }
 286
 287 static void report_rate(struct event_context *ev, struct timed_event *te,
 288                         struct timeval t, void *private_data)
 289 {
 290         struct benchopen_state *state = talloc_get_type(private_data,
 291                                                         struct benchopen_state);
 292         int i;
 293         for (i=0;i<nprocs;i++) {
 294                 printf("%5u ", (unsigned)(state[i].count - state[i].lastcount));
 295                 state[i].lastcount = state[i].count;
 296         }
 297         printf("\r");
 298         fflush(stdout);
 299         event_add_timed(ev, state, timeval_current_ofs(1, 0), report_rate, state);
 300 }
 301
 302 /*
 303    benchmark open calls
 304 */
 305 BOOL torture_bench_open(struct torture_context *torture)
 306 {
 307         BOOL ret = True;
 308         TALLOC_CTX *mem_ctx = talloc_new(torture);
 309         int i;
 310         int timelimit = torture_setting_int(torture, "timelimit", 10);
 311         struct timeval tv;
 312         struct event_context *ev = event_context_find(mem_ctx);
 313         struct benchopen_state *state;
 314         int total = 0, minops=0;
 315         bool progress;
 316
 317         progress = torture_setting_bool(torture, "progress", true);
 318
 319         nprocs = lp_parm_int(-1, "torture", "nprocs", 4);
 320
 321         state = talloc_zero_array(mem_ctx, struct benchopen_state, nprocs);
 322
 323         printf("Opening %d connections\n", nprocs);
 324         for (i=0;i<nprocs;i++) {
 325                 state[i].mem_ctx = talloc_new(state);
 326                 state[i].client_num = i;
 327                 state[i].ev = ev;
 328                 if (!torture_open_connection_ev(&state[i].cli, i, ev)) {
 329                         return False;
 330                 }
 331                 talloc_steal(mem_ctx, state);
 332                 state[i].tree = state[i].cli->tree;
 333                 state[i].dest_host = talloc_strdup(state[i].mem_ctx,
 334                                                    state[i].cli->tree->session->transport->socket->hostname);
 335                 state[i].dest_port = state[i].cli->tree->session->transport->socket->port;
 336                 state[i].called_name  = talloc_strdup(state[i].mem_ctx,
 337                                                       state[i].cli->tree->session->transport->called.name);
 338                 state[i].service_type = talloc_strdup(state[i].mem_ctx,
 339                                                       state[i].cli->tree->device);
 340         }
 341
 342         num_connected = i;
 343
 344         if (!torture_setup_dir(state[0].cli, BASEDIR)) {
 345                 goto failed;
 346         }
 347
 348         fnames = talloc_array(mem_ctx, char *, nprocs+1);
 349         for (i=0;i<nprocs+1;i++) {
 350                 fnames[i] = talloc_asprintf(fnames, "%s\\file%d.dat", BASEDIR, i);
 351         }
 352
 353         for (i=0;i<nprocs;i++) {
 354                 state[i].file_num = i;
 355                 state[i].fnum = smbcli_open(state[i].tree,
 356                                             fnames[state->file_num],
 357                                             O_RDWR|O_CREAT, DENY_ALL);
 358                 state[i].stage = OPEN_OPEN;
 359                 next_operation(&state[i]);
 360         }
 361
 362         tv = timeval_current();
 363
 364         if (progress) {
 365                 event_add_timed(ev, state, timeval_current_ofs(1, 0), report_rate, state);
 366         }
 367
 368         printf("Running for %d seconds\n", timelimit);
 369         while (timeval_elapsed(&tv) < timelimit) {
 370                 event_loop_once(ev);
 371
 372                 if (open_failed) {
 373                         DEBUG(0,("open failed\n"));
 374                         goto failed;
 375                 }
 376         }
 377
 378         printf("%.2f ops/second (%d retries)\n",
 379                total/timeval_elapsed(&tv), open_retries);
 380         minops = state[0].count;
 381         for (i=0;i<nprocs;i++) {
 382                 printf("[%d] %u ops\n", i, state[i].count);
 383                 if (state[i].count < minops) minops = state[i].count;
 384         }
 385         if (minops < 0.5*total/nprocs) {
 386                 printf("Failed: unbalanced open\n");
 387                 goto failed;
 388         }
 389
 390         for (i=0;i<nprocs;i++) {
 391                 talloc_free(state[i].req_open);
 392                 talloc_free(state[i].req_close);
 393                 smb_raw_exit(state[i].tree->session);
 394         }
 395
 396         smbcli_deltree(state[0].tree, BASEDIR);
 397         talloc_free(mem_ctx);
 398         return ret;
 399
 400 failed:
 401         talloc_free(mem_ctx);
 402         return False;
 403 }