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s3-waf: remove version from libpdb.so for now.
[Samba/vl.git] / source4 / torture / raw / lockbench.c
blob0a4faface875ff9d5b51aa13c41c481dcf459df5
1 /*
2 Unix SMB/CIFS implementation.
3
4 locking benchmark
5
6 Copyright (C) Andrew Tridgell 2006
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 "libcli/raw/libcliraw.h"
24 #include "libcli/raw/raw_proto.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 "libcli/resolve/resolve.h"
34 #include "param/param.h"
35 #include "torture/raw/proto.h"
36
37 #define BASEDIR "\\benchlock"
38 #define FNAME BASEDIR "\\lock.dat"
39
40 static int nprocs;
41 static int lock_failed;
42 static int num_connected;
43
44 enum lock_stage {LOCK_INITIAL, LOCK_LOCK, LOCK_UNLOCK};
45
46 struct benchlock_state {
47 struct torture_context *tctx;
48 struct tevent_context *ev;
49 struct smbcli_tree *tree;
50 TALLOC_CTX *mem_ctx;
51 int client_num;
52 int fnum;
53 enum lock_stage stage;
54 int lock_offset;
55 int unlock_offset;
56 int count;
57 int lastcount;
58 struct smbcli_request *req;
59 struct smb_composite_connect reconnect;
60 struct tevent_timer *te;
61
62 /* these are used for reconnections */
63 const char **dest_ports;
64 const char *dest_host;
65 const char *called_name;
66 const char *service_type;
67 };
68
69 static void lock_completion(struct smbcli_request *);
70
71 /*
72 send the next lock request
73 */
74 static void lock_send(struct benchlock_state *state)
75 {
76 union smb_lock io;
77 struct smb_lock_entry lock;
78
79 switch (state->stage) {
80 case LOCK_INITIAL:
81 io.lockx.in.ulock_cnt = 0;
82 io.lockx.in.lock_cnt = 1;
83 state->lock_offset = 0;
84 state->unlock_offset = 0;
85 lock.offset = state->lock_offset;
86 break;
87 case LOCK_LOCK:
88 io.lockx.in.ulock_cnt = 0;
89 io.lockx.in.lock_cnt = 1;
90 state->lock_offset = (state->lock_offset+1)%(nprocs+1);
91 lock.offset = state->lock_offset;
92 break;
93 case LOCK_UNLOCK:
94 io.lockx.in.ulock_cnt = 1;
95 io.lockx.in.lock_cnt = 0;
96 lock.offset = state->unlock_offset;
97 state->unlock_offset = (state->unlock_offset+1)%(nprocs+1);
98 break;
99 }
100
101 lock.count = 1;
102 lock.pid = state->tree->session->pid;
103
104 io.lockx.level = RAW_LOCK_LOCKX;
105 io.lockx.in.mode = LOCKING_ANDX_LARGE_FILES;
106 io.lockx.in.timeout = 100000;
107 io.lockx.in.locks = &lock;
108 io.lockx.in.file.fnum = state->fnum;
109
110 state->req = smb_raw_lock_send(state->tree, &io);
111 if (state->req == NULL) {
112 DEBUG(0,("Failed to setup lock\n"));
113 lock_failed++;
114 }
115 state->req->async.private_data = state;
116 state->req->async.fn = lock_completion;
117 }
118
119 static void reopen_connection(struct tevent_context *ev, struct tevent_timer *te,
120 struct timeval t, void *private_data);
121
122
123 static void reopen_file(struct tevent_context *ev, struct tevent_timer *te,
124 struct timeval t, void *private_data)
125 {
126 struct benchlock_state *state = (struct benchlock_state *)private_data;
127
128 /* reestablish our open file */
129 state->fnum = smbcli_open(state->tree, FNAME, O_RDWR|O_CREAT, DENY_NONE);
130 if (state->fnum == -1) {
131 printf("Failed to open %s on connection %d\n", FNAME, state->client_num);
132 exit(1);
133 }
134
135 num_connected++;
136
137 DEBUG(0,("reconnect to %s finished (%u connected)\n", state->dest_host,
138 num_connected));
139
140 state->stage = LOCK_INITIAL;
141 lock_send(state);
142 }
143
144 /*
145 complete an async reconnect
146 */
147 static void reopen_connection_complete(struct composite_context *ctx)
148 {
149 struct benchlock_state *state = (struct benchlock_state *)ctx->async.private_data;
150 NTSTATUS status;
151 struct smb_composite_connect *io = &state->reconnect;
152
153 status = smb_composite_connect_recv(ctx, state->mem_ctx);
154 if (!NT_STATUS_IS_OK(status)) {
155 talloc_free(state->te);
156 state->te = tevent_add_timer(state->ev, state->mem_ctx,
157 timeval_current_ofs(1,0),
158 reopen_connection, state);
159 return;
160 }
161
162 talloc_free(state->tree);
163 state->tree = io->out.tree;
164
165 /* do the reopen as a separate event */
166 tevent_add_timer(state->ev, state->mem_ctx, timeval_zero(), reopen_file, state);
167 }
168
169
170
171 /*
172 reopen a connection
173 */
174 static void reopen_connection(struct tevent_context *ev, struct tevent_timer *te,
175 struct timeval t, void *private_data)
176 {
177 struct benchlock_state *state = (struct benchlock_state *)private_data;
178 struct composite_context *ctx;
179 struct smb_composite_connect *io = &state->reconnect;
180 char *host, *share;
181
182 state->te = NULL;
183
184 if (!torture_get_conn_index(state->client_num, state->mem_ctx, state->tctx, &host, &share)) {
185 DEBUG(0,("Can't find host/share for reconnect?!\n"));
186 exit(1);
187 }
188
189 io->in.dest_host = state->dest_host;
190 io->in.dest_ports = state->dest_ports;
191 io->in.gensec_settings = lpcfg_gensec_settings(state->mem_ctx, state->tctx->lp_ctx);
192 io->in.socket_options = lpcfg_socket_options(state->tctx->lp_ctx);
193 io->in.called_name = state->called_name;
194 io->in.service = share;
195 io->in.service_type = state->service_type;
196 io->in.credentials = cmdline_credentials;
197 io->in.fallback_to_anonymous = false;
198 io->in.workgroup = lpcfg_workgroup(state->tctx->lp_ctx);
199 lpcfg_smbcli_options(state->tctx->lp_ctx, &io->in.options);
200 lpcfg_smbcli_session_options(state->tctx->lp_ctx, &io->in.session_options);
201
202 /* kill off the remnants of the old connection */
203 talloc_free(state->tree);
204 state->tree = NULL;
205
206 ctx = smb_composite_connect_send(io, state->mem_ctx,
207 lpcfg_resolve_context(state->tctx->lp_ctx),
208 state->ev);
209 if (ctx == NULL) {
210 DEBUG(0,("Failed to setup async reconnect\n"));
211 exit(1);
212 }
213
214 ctx->async.fn = reopen_connection_complete;
215 ctx->async.private_data = state;
216 }
217
218
219 /*
220 called when a lock completes
221 */
222 static void lock_completion(struct smbcli_request *req)
223 {
224 struct benchlock_state *state = (struct benchlock_state *)req->async.private_data;
225 NTSTATUS status = smbcli_request_simple_recv(req);
226 state->req = NULL;
227 if (!NT_STATUS_IS_OK(status)) {
228 if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE) ||
229 NT_STATUS_EQUAL(status, NT_STATUS_LOCAL_DISCONNECT) ||
230 NT_STATUS_EQUAL(status, NT_STATUS_CONNECTION_RESET)) {
231 talloc_free(state->tree);
232 state->tree = NULL;
233 num_connected--;
234 DEBUG(0,("reopening connection to %s\n", state->dest_host));
235 talloc_free(state->te);
236 state->te = tevent_add_timer(state->ev, state->mem_ctx,
237 timeval_current_ofs(1,0),
238 reopen_connection, state);
239 } else {
240 DEBUG(0,("Lock failed - %s\n", nt_errstr(status)));
241 lock_failed++;
242 }
243 return;
244 }
245
246 switch (state->stage) {
247 case LOCK_INITIAL:
248 state->stage = LOCK_LOCK;
249 break;
250 case LOCK_LOCK:
251 state->stage = LOCK_UNLOCK;
252 break;
253 case LOCK_UNLOCK:
254 state->stage = LOCK_LOCK;
255 break;
256 }
257
258 state->count++;
259 lock_send(state);
260 }
261
262
263 static void echo_completion(struct smbcli_request *req)
264 {
265 struct benchlock_state *state = (struct benchlock_state *)req->async.private_data;
266 NTSTATUS status = smbcli_request_simple_recv(req);
267 if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE) ||
268 NT_STATUS_EQUAL(status, NT_STATUS_LOCAL_DISCONNECT) ||
269 NT_STATUS_EQUAL(status, NT_STATUS_CONNECTION_RESET)) {
270 talloc_free(state->tree);
271 state->tree = NULL;
272 num_connected--;
273 DEBUG(0,("reopening connection to %s\n", state->dest_host));
274 talloc_free(state->te);
275 state->te = tevent_add_timer(state->ev, state->mem_ctx,
276 timeval_current_ofs(1,0),
277 reopen_connection, state);
278 }
279 }
280
281 static void report_rate(struct tevent_context *ev, struct tevent_timer *te,
282 struct timeval t, void *private_data)
283 {
284 struct benchlock_state *state = talloc_get_type(private_data,
285 struct benchlock_state);
286 int i;
287 for (i=0;i<nprocs;i++) {
288 printf("%5u ", (unsigned)(state[i].count - state[i].lastcount));
289 state[i].lastcount = state[i].count;
290 }
291 printf("\r");
292 fflush(stdout);
293 tevent_add_timer(ev, state, timeval_current_ofs(1, 0), report_rate, state);
294
295 /* send an echo on each interface to ensure it stays alive - this helps
296 with IP takeover */
297 for (i=0;i<nprocs;i++) {
298 struct smb_echo p;
299 struct smbcli_request *req;
300
301 if (!state[i].tree) {
302 continue;
303 }
304
305 p.in.repeat_count = 1;
306 p.in.size = 0;
307 p.in.data = NULL;
308 req = smb_raw_echo_send(state[i].tree->session->transport, &p);
309 req->async.private_data = &state[i];
310 req->async.fn = echo_completion;
311 }
312 }
313
314 /*
315 benchmark locking calls
316 */
317 bool torture_bench_lock(struct torture_context *torture)
318 {
319 bool ret = true;
320 TALLOC_CTX *mem_ctx = talloc_new(torture);
321 int i, j;
322 int timelimit = torture_setting_int(torture, "timelimit", 10);
323 struct timeval tv;
324 struct benchlock_state *state;
325 int total = 0, minops=0;
326 struct smbcli_state *cli;
327 bool progress;
328 off_t offset;
329 int initial_locks = torture_setting_int(torture, "initial_locks", 0);
330
331 progress = torture_setting_bool(torture, "progress", true);
332
333 nprocs = torture_setting_int(torture, "nprocs", 4);
334
335 state = talloc_zero_array(mem_ctx, struct benchlock_state, nprocs);
336
337 printf("Opening %d connections\n", nprocs);
338 for (i=0;i<nprocs;i++) {
339 state[i].tctx = torture;
340 state[i].mem_ctx = talloc_new(state);
341 state[i].client_num = i;
342 state[i].ev = torture->ev;
343 if (!torture_open_connection_ev(&cli, i, torture, torture->ev)) {
344 return false;
345 }
346 talloc_steal(mem_ctx, state);
347 state[i].tree = cli->tree;
348 state[i].dest_host = talloc_strdup(state[i].mem_ctx,
349 cli->tree->session->transport->socket->hostname);
350 state[i].dest_ports = talloc_array(state[i].mem_ctx,
351 const char *, 2);
352 state[i].dest_ports[0] = talloc_asprintf(state[i].dest_ports,
353 "%u",
354 cli->tree->session->transport->socket->port);
355 state[i].dest_ports[1] = NULL;
356 state[i].called_name = talloc_strdup(state[i].mem_ctx,
357 cli->tree->session->transport->called.name);
358 state[i].service_type = talloc_strdup(state[i].mem_ctx,
359 cli->tree->device);
360 }
361
362 num_connected = i;
363
364 if (!torture_setup_dir(cli, BASEDIR)) {
365 goto failed;
366 }
367
368 for (i=0;i<nprocs;i++) {
369 state[i].fnum = smbcli_open(state[i].tree,
370 FNAME,
371 O_RDWR|O_CREAT, DENY_NONE);
372 if (state[i].fnum == -1) {
373 printf("Failed to open %s on connection %d\n", FNAME, i);
374 goto failed;
375 }
376
377 /* Optionally, lock initial_locks for each proc beforehand. */
378 if (i == 0 && initial_locks > 0) {
379 printf("Initializing %d locks on each proc.\n",
380 initial_locks);
381 }
382
383 for (j = 0; j < initial_locks; j++) {
384 offset = (0xFFFFFED8LLU * (i+2)) + j;
385 if (!NT_STATUS_IS_OK(smbcli_lock64(state[i].tree,
386 state[i].fnum, offset, 1, 0, WRITE_LOCK))) {
387 printf("Failed initializing, lock=%d\n", j);
388 goto failed;
389 }
390 }
391
392 state[i].stage = LOCK_INITIAL;
393 lock_send(&state[i]);
394 }
395
396 tv = timeval_current();
397
398 if (progress) {
399 tevent_add_timer(torture->ev, state, timeval_current_ofs(1, 0), report_rate, state);
400 }
401
402 printf("Running for %d seconds\n", timelimit);
403 while (timeval_elapsed(&tv) < timelimit) {
404 tevent_loop_once(torture->ev);
405
406 if (lock_failed) {
407 DEBUG(0,("locking failed\n"));
408 goto failed;
409 }
410 }
411
412 printf("%.2f ops/second\n", total/timeval_elapsed(&tv));
413 minops = state[0].count;
414 for (i=0;i<nprocs;i++) {
415 printf("[%d] %u ops\n", i, state[i].count);
416 if (state[i].count < minops) minops = state[i].count;
417 }
418 if (minops < 0.5*total/nprocs) {
419 printf("Failed: unbalanced locking\n");
420 goto failed;
421 }
422
423 for (i=0;i<nprocs;i++) {
424 talloc_free(state[i].req);
425 smb_raw_exit(state[i].tree->session);
426 }
427
428 smbcli_deltree(state[0].tree, BASEDIR);
429 talloc_free(mem_ctx);
430 printf("\n");
431 return ret;
432
433 failed:
434 smbcli_deltree(state[0].tree, BASEDIR);
435 talloc_free(mem_ctx);
436 return false;
437 }