ctdb/ib/ibwrapper_test.c

   1 /*
   2  * Unix SMB/CIFS implementation.
   3  * Test the infiniband wrapper.
   4  *
   5  * Copyright (C) Sven Oehme <oehmes@de.ibm.com> 2006
   6  *
   7  * Major code contributions by Peter Somogyi <psomogyi@gamax.hu>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 3 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  21  */
  22
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <stdio.h>
  26 #include <errno.h>
  27 #include <sys/types.h>
  28 #include <netinet/in.h>
  29 #include <sys/socket.h>
  30 #include <netdb.h>
  31 #include <arpa/inet.h>
  32 #include <malloc.h>
  33 #include <assert.h>
  34 #include <unistd.h>
  35 #include <signal.h>
  36 #include <sys/time.h>
  37 #include <time.h>
  38
  39 #include "includes.h"
  40 #include "ib/ibwrapper.h"
  41
  42 struct ibwtest_ctx {
  43         int     is_server;
  44         char    *id; /* my id */
  45
  46         struct ibw_initattr *attrs;
  47         int     nattrs;
  48         char    *opts; /* option string */
  49
  50         struct sockaddr_in *addrs; /* dynamic array of dest addrs */
  51         int     naddrs;
  52
  53         unsigned int    nsec; /* delta times between messages in nanosec */
  54         unsigned int    sleep_usec; /* microsecs to sleep in the main loop to emulate overloading */
  55         uint32_t        maxsize; /* maximum variable message size */
  56
  57         int     cnt;
  58         int     nsent;
  59
  60         int     nmsg; /* number of messages to send (client) */
  61
  62         int     kill_me;
  63         int     stopping;
  64         int     error;
  65         struct ibw_ctx  *ibwctx;
  66
  67         struct timeval  start_time, end_time;
  68 };
  69
  70 struct ibwtest_conn {
  71         char    *id;
  72 };
  73
  74 enum testopcode {
  75         TESTOP_SEND_ID = 1,
  76         TESTOP_SEND_TEXT = 2,
  77         TESTOP_SEND_RND = 3
  78 };
  79
  80 int ibwtest_connect_everybody(struct ibwtest_ctx *tcx)
  81 {
  82         struct ibw_conn         *conn;
  83         struct ibwtest_conn     *tconn = talloc_zero(tcx, struct ibwtest_conn);
  84         int     i;
  85
  86         for(i=0; i<tcx->naddrs; i++) {
  87                 conn = ibw_conn_new(tcx->ibwctx, tconn);
  88                 if (ibw_connect(conn, &tcx->addrs[i], tconn)) {
  89                         fprintf(stderr, "ibw_connect error at %d\n", i);
  90                         return -1;
  91                 }
  92         }
  93         DEBUG(DEBUG_DEBUG, ("sent %d connect request...\n", tcx->naddrs));
  94
  95         return 0;
  96 }
  97
  98 int ibwtest_send_id(struct ibw_conn *conn)
  99 {
 100         struct ibwtest_ctx *tcx = talloc_get_type(conn->ctx->ctx_userdata, struct ibwtest_ctx);
 101         char *buf;
 102         void *key;
 103         uint32_t        len;
 104
 105         DEBUG(DEBUG_DEBUG, ("ibwtest_send_id\n"));
 106         len = sizeof(uint32_t)+strlen(tcx->id)+2;
 107         if (ibw_alloc_send_buf(conn, (void **)&buf, &key, len)) {
 108                 DEBUG(DEBUG_ERR, ("send_id: ibw_alloc_send_buf failed\n"));
 109                 return -1;
 110         }
 111
 112         /* first sizeof(uint32_t) size bytes are for length */
 113         *((uint32_t *)buf) = len;
 114         buf[sizeof(uint32_t)] = (char)TESTOP_SEND_ID;
 115         strcpy(buf+sizeof(uint32_t)+1, tcx->id);
 116
 117         if (ibw_send(conn, buf, key, len)) {
 118                 DEBUG(DEBUG_ERR, ("send_id: ibw_send error\n"));
 119                 return -1;
 120         }
 121         tcx->nsent++;
 122
 123         return 0;
 124 }
 125
 126 int ibwtest_send_test_msg(struct ibwtest_ctx *tcx, struct ibw_conn *conn, const char *msg)
 127 {
 128         char *buf, *p;
 129         void *key;
 130         uint32_t len;
 131
 132         if (conn->state!=IBWC_CONNECTED)
 133                 return 0; /* not yet up */
 134
 135         len = strlen(msg) + 2 + sizeof(uint32_t);
 136         if (ibw_alloc_send_buf(conn, (void **)&buf, &key, len)) {
 137                 fprintf(stderr, "send_test_msg: ibw_alloc_send_buf failed\n");
 138                 return -1;
 139         }
 140
 141         *((uint32_t *)buf) = len;
 142         p = buf;
 143         p += sizeof(uint32_t);
 144         p[0] = (char)TESTOP_SEND_TEXT;
 145         p++;
 146         strcpy(p, msg);
 147
 148         if (ibw_send(conn, buf, key, len)) {
 149                 DEBUG(DEBUG_ERR, ("send_test_msg: ibw_send error\n"));
 150                 return -1;
 151         }
 152         tcx->nsent++;
 153
 154         return 0;
 155 }
 156
 157 unsigned char ibwtest_fill_random(unsigned char *buf, uint32_t size)
 158 {
 159         uint32_t        i = size;
 160         unsigned char   sum = 0;
 161         unsigned char   value;
 162         while(i) {
 163                 i--;
 164                 value = (unsigned char)(256.0 * (rand() / (RAND_MAX + 1.0)));
 165                 buf[i] = value;
 166                 sum += value;
 167         }
 168         return sum;
 169 }
 170
 171 unsigned char ibwtest_get_sum(unsigned char *buf, uint32_t size)
 172 {
 173         uint32_t        i = size;
 174         unsigned char   sum = 0;
 175
 176         while(i) {
 177                 i--;
 178                 sum += buf[i];
 179         }
 180         return sum;
 181 }
 182
 183 int ibwtest_do_varsize_scenario_conn_size(struct ibwtest_ctx *tcx, struct ibw_conn *conn, uint32_t size)
 184 {
 185         unsigned char *buf;
 186         void    *key;
 187         uint32_t        len;
 188         unsigned char   sum;
 189
 190         len = sizeof(uint32_t) + 1 + size + 1;
 191         if (ibw_alloc_send_buf(conn, (void **)&buf, &key, len)) {
 192                 DEBUG(DEBUG_ERR, ("varsize/ibw_alloc_send_buf failed\n"));
 193                 return -1;
 194         }
 195         *((uint32_t *)buf) = len;
 196         buf[sizeof(uint32_t)] = TESTOP_SEND_RND;
 197         sum = ibwtest_fill_random(buf + sizeof(uint32_t) + 1, size);
 198         buf[sizeof(uint32_t) + 1 + size] = sum;
 199         if (ibw_send(conn, buf, key, len)) {
 200                 DEBUG(DEBUG_ERR, ("varsize/ibw_send failed\n"));
 201                 return -1;
 202         }
 203         tcx->nsent++;
 204
 205         return 0;
 206 }
 207
 208 int ibwtest_do_varsize_scenario_conn(struct ibwtest_ctx *tcx, struct ibw_conn *conn)
 209 {
 210         uint32_t        size;
 211         int     i;
 212
 213         for(i=0; i<tcx->nmsg; i++)
 214         {
 215                 //size = (uint32_t)((float)(tcx->maxsize) * (rand() / (RAND_MAX + 1.0)));
 216                 size = (uint32_t)((float)(tcx->maxsize) * ((float)(i+1)/(float)tcx->nmsg));
 217                 if (ibwtest_do_varsize_scenario_conn_size(tcx, conn, size))
 218                         return -1;
 219         }
 220         return 0;
 221 }
 222
 223 /*int ibwtest_do_varsize_scenario(ibwtest_ctx *tcx)
 224 {
 225         int     rc;
 226         struct ibw_conn *conn;
 227
 228         for(conn=tcx->ibwctx->conn_list; conn!=NULL; conn=conn->next) {
 229                 if (conn->state==IBWC_CONNECTED) {
 230                         rc = ibwtest_do_varsize_scenario_conn(tcx, conn);
 231                         if (rc)
 232                                 tcx->error = rc;
 233                 }
 234         }
 235 }*/
 236
 237 int ibwtest_connstate_handler(struct ibw_ctx *ctx, struct ibw_conn *conn)
 238 {
 239         struct ibwtest_ctx      *tcx = NULL; /* userdata */
 240         struct ibwtest_conn     *tconn = NULL; /* userdata */
 241
 242         if (ctx) {
 243                 tcx = talloc_get_type(ctx->ctx_userdata, struct ibwtest_ctx);
 244
 245                 switch(ctx->state) {
 246                 case IBWS_INIT:
 247                         DEBUG(DEBUG_DEBUG, ("test IBWS_INIT\n"));
 248                         break;
 249                 case IBWS_READY:
 250                         DEBUG(DEBUG_DEBUG, ("test IBWS_READY\n"));
 251                         break;
 252                 case IBWS_CONNECT_REQUEST:
 253                         DEBUG(DEBUG_DEBUG, ("test IBWS_CONNECT_REQUEST\n"));
 254                         tconn = talloc_zero(conn, struct ibwtest_conn);
 255                         if (ibw_accept(ctx, conn, tconn)) {
 256                                 DEBUG(DEBUG_ERR, ("error accepting the connect request\n"));
 257                         }
 258                         break;
 259                 case IBWS_STOPPED:
 260                         DEBUG(DEBUG_DEBUG, ("test IBWS_STOPPED\n"));
 261                         tcx->kill_me = 1; /* main loop can exit */
 262                         break;
 263                 case IBWS_ERROR:
 264                         DEBUG(DEBUG_DEBUG, ("test IBWS_ERROR\n"));
 265                         ibw_stop(tcx->ibwctx);
 266                         break;
 267                 default:
 268                         assert(0);
 269                         break;
 270                 }
 271         }
 272
 273         if (conn) {
 274                 tconn = talloc_get_type(conn->conn_userdata, struct ibwtest_conn);
 275                 switch(conn->state) {
 276                 case IBWC_INIT:
 277                         DEBUG(DEBUG_DEBUG, ("test IBWC_INIT\n"));
 278                         break;
 279                 case IBWC_CONNECTED:
 280                         if (gettimeofday(&tcx->start_time, NULL)) {
 281                                 DEBUG(DEBUG_ERR, ("gettimeofday error %d", errno));
 282                                 return -1;
 283                         }
 284                         ibwtest_send_id(conn);
 285                         break;
 286                 case IBWC_DISCONNECTED:
 287                         DEBUG(DEBUG_DEBUG, ("test IBWC_DISCONNECTED\n"));
 288                         talloc_free(conn);
 289                         break;
 290                 case IBWC_ERROR:
 291                         DEBUG(DEBUG_DEBUG, ("test IBWC_ERROR %s\n", ibw_getLastError()));
 292                         break;
 293                 default:
 294                         assert(0);
 295                         break;
 296                 }
 297         }
 298         return 0;
 299 }
 300
 301 int ibwtest_receive_handler(struct ibw_conn *conn, void *buf, int n)
 302 {
 303         struct ibwtest_conn *tconn;
 304         enum testopcode op;
 305         struct ibwtest_ctx *tcx = talloc_get_type(conn->ctx->ctx_userdata, struct ibwtest_ctx);
 306         int     rc = 0;
 307
 308         assert(conn!=NULL);
 309         assert(n>=sizeof(uint32_t)+1);
 310         tconn = talloc_get_type(conn->conn_userdata, struct ibwtest_conn);
 311
 312         op = (enum testopcode)((char *)buf)[sizeof(uint32_t)];
 313         if (op==TESTOP_SEND_ID) {
 314                 tconn->id = talloc_strdup(tconn, ((char *)buf)+sizeof(uint32_t)+1);
 315         }
 316         if (op==TESTOP_SEND_ID || op==TESTOP_SEND_TEXT) {
 317                 DEBUG(DEBUG_DEBUG, ("[%d]msg from %s: \"%s\"(%d)\n", op,
 318                         tconn->id ? tconn->id : "NULL", ((char *)buf)+sizeof(uint32_t)+1, n));
 319         }
 320
 321         if (tcx->is_server) {
 322                 if (op==TESTOP_SEND_RND) {
 323                         unsigned char sum;
 324                         sum = ibwtest_get_sum((unsigned char *)buf + sizeof(uint32_t) + 1,
 325                                 n - sizeof(uint32_t) - 2);
 326                         DEBUG(DEBUG_DEBUG, ("[%d]msg varsize %u/sum %u from %s\n",
 327                                 op,
 328                                 (uint32_t)(n - sizeof(uint32_t) - 2),
 329                                 (uint32_t)sum,
 330                                 tconn->id ? tconn->id : "NULL"));
 331                         if (sum!=((unsigned char *)buf)[n-1]) {
 332                                 DEBUG(DEBUG_ERR, ("ERROR: checksum mismatch %u!=%u\n",
 333                                         (uint32_t)sum, (uint32_t)((unsigned char *)buf)[n-1]));
 334                                 ibw_stop(tcx->ibwctx);
 335                                 goto error;
 336                         }
 337                 } else if (op!=TESTOP_SEND_ID) {
 338                         char *buf2;
 339                         void *key2;
 340
 341                         /* bounce message regardless what it is */
 342                         if (ibw_alloc_send_buf(conn, (void **)&buf2, &key2, n)) {
 343                                 fprintf(stderr, "ibw_alloc_send_buf error #2\n");
 344                                 goto error;
 345                         }
 346                         memcpy(buf2, buf, n);
 347                         if (ibw_send(conn, buf2, key2, n)) {
 348                                 fprintf(stderr, "ibw_send error #2\n");
 349                                 goto error;
 350                         }
 351                         tcx->nsent++;
 352                 }
 353         } else { /* client: */
 354                 if (op==TESTOP_SEND_ID && tcx->maxsize) {
 355                         /* send them in one blow */
 356                         rc = ibwtest_do_varsize_scenario_conn(tcx, conn);
 357                 }
 358
 359                 if (tcx->nmsg) {
 360                         char    msg[26];
 361                         sprintf(msg, "hello world %d", tcx->nmsg--);
 362                         rc = ibwtest_send_test_msg(tcx, conn, msg);
 363                         if (tcx->nmsg==0) {
 364                                 ibw_stop(tcx->ibwctx);
 365                                 tcx->stopping = 1;
 366                         }
 367                 }
 368         }
 369
 370         if (rc)
 371                 tcx->error = rc;
 372
 373         return rc;
 374 error:
 375         return -1;
 376 }
 377
 378 void ibwtest_timeout_handler(struct event_context *ev, struct timed_event *te,
 379         struct timeval t, void *private_data)
 380 {
 381         struct ibwtest_ctx *tcx = talloc_get_type(private_data, struct ibwtest_ctx);
 382         int     rc;
 383
 384         if (!tcx->is_server) {
 385                 struct ibw_conn *conn;
 386                 char    msg[50];
 387
 388                 /* fill it with something variable... */
 389                 sprintf(msg, "hello world %d", tcx->cnt++);
 390
 391                 /* send something to everybody... */
 392                 for(conn=tcx->ibwctx->conn_list; conn!=NULL; conn=conn->next) {
 393                         if (conn->state==IBWC_CONNECTED) {
 394                                 rc = ibwtest_send_test_msg(tcx, conn, msg);
 395                                 if (rc)
 396                                         tcx->error = rc;
 397                         }
 398                 }
 399         } /* else allow main loop run */
 400 }
 401
 402 static struct ibwtest_ctx *testctx = NULL;
 403
 404 void ibwtest_sigint_handler(int sig)
 405 {
 406         DEBUG(DEBUG_ERR, ("got SIGINT\n"));
 407         if (testctx) {
 408                 if (testctx->ibwctx->state==IBWS_READY ||
 409                         testctx->ibwctx->state==IBWS_CONNECT_REQUEST ||
 410                         testctx->ibwctx->state==IBWS_ERROR)
 411                 {
 412                         if (testctx->stopping) {
 413                                 DEBUG(DEBUG_DEBUG, ("forcing exit...\n"));
 414                                 testctx->kill_me = 1;
 415                         } else {
 416                                 /* mostly expected case */
 417                                 ibw_stop(testctx->ibwctx);
 418                                 testctx->stopping = 1;
 419                         }
 420                 } else
 421                         testctx->kill_me = 1;
 422         }
 423 }
 424
 425 int ibwtest_parse_attrs(struct ibwtest_ctx *tcx, char *optext,
 426         struct ibw_initattr **pattrs, int *nattrs, char op)
 427 {
 428         int     i = 0, n = 1;
 429         int     porcess_next = 1;
 430         char    *p, *q;
 431         struct ibw_initattr *attrs = NULL;
 432
 433         *pattrs = NULL;
 434         for(p = optext; *p!='\0'; p++) {
 435                 if (*p==',')
 436                         n++;
 437         }
 438
 439         attrs = (struct ibw_initattr *)talloc_size(tcx,
 440                 n * sizeof(struct ibw_initattr));
 441         for(p = optext; *p!='\0'; p++) {
 442                 if (porcess_next) {
 443                         attrs[i].name = p;
 444                         q = strchr(p, ':');
 445                         if (q==NULL) {
 446                                 fprintf(stderr, "-%c format error\n", op);
 447                                 return -1;
 448                         }
 449                         *q = '\0';
 450                         attrs[i].value = q + 1;
 451
 452                         porcess_next = 0;
 453                         i++;
 454                         p = q; /* ++ at end */
 455                 }
 456                 if (*p==',') {
 457                         *p = '\0'; /* ++ at end */
 458                         porcess_next = 1;
 459                 }
 460         }
 461         *pattrs = attrs;
 462         *nattrs = n;
 463
 464         return 0;
 465 }
 466
 467 static int ibwtest_get_address(const char *address, struct in_addr *addr)
 468 {
 469         if (inet_pton(AF_INET, address, addr) <= 0) {
 470                 struct hostent *he = gethostbyname(address);
 471                 if (he == NULL || he->h_length > sizeof(*addr)) {
 472                         DEBUG(DEBUG_ERR, ("invalid nework address '%s'\n", address));
 473                         return -1;
 474                 }
 475                 memcpy(addr, he->h_addr, he->h_length);
 476         }
 477         return 0;
 478 }
 479
 480 int ibwtest_getdests(struct ibwtest_ctx *tcx, char op)
 481 {
 482         int     i;
 483         struct ibw_initattr     *attrs = NULL;
 484         struct sockaddr_in      *p;
 485         char    *tmp;
 486
 487         tmp = talloc_strdup(tcx, optarg);
 488         if (tmp == NULL) return -1;
 489         /* hack to reuse the above ibw_initattr parser */
 490         if (ibwtest_parse_attrs(tcx, tmp, &attrs, &tcx->naddrs, op))
 491                 return -1;
 492
 493         tcx->addrs = talloc_size(tcx,
 494                 tcx->naddrs * sizeof(struct sockaddr_in));
 495         for(i=0; i<tcx->naddrs; i++) {
 496                 p = tcx->addrs + i;
 497                 p->sin_family = AF_INET;
 498                 if (ibwtest_get_address(attrs[i].name, &p->sin_addr))
 499                         return -1;
 500                 p->sin_port = htons(atoi(attrs[i].value));
 501         }
 502
 503         return 0;
 504 }
 505
 506 int ibwtest_init_server(struct ibwtest_ctx *tcx)
 507 {
 508         if (tcx->naddrs!=1) {
 509                 fprintf(stderr, "incorrect number of addrs(%d!=1)\n", tcx->naddrs);
 510                 return -1;
 511         }
 512
 513         if (ibw_bind(tcx->ibwctx, &tcx->addrs[0])) {
 514                 DEBUG(DEBUG_ERR, ("ERROR: ibw_bind failed\n"));
 515                 return -1;
 516         }
 517
 518         if (ibw_listen(tcx->ibwctx, 1)) {
 519                 DEBUG(DEBUG_ERR, ("ERROR: ibw_listen failed\n"));
 520                 return -1;
 521         }
 522
 523         /* continued at IBWS_READY */
 524         return 0;
 525 }
 526
 527 void ibwtest_usage(struct ibwtest_ctx *tcx, char *name)
 528 {
 529         printf("Usage:\n");
 530         printf("\t%s -i <id> -o {name:value} -d {addr:port} -t nsec -s\n", name);
 531         printf("\t-i <id> is a free text, acting as a server id, max 23 chars [mandatory]\n");
 532         printf("\t-o name1:value1,name2:value2,... is a list of (name, value) pairs\n");
 533         printf("\t-a addr1:port1,addr2:port2,... is a list of destination ip addresses\n");
 534         printf("\t-t nsec delta time between sends in nanosec [default %d]\n", tcx->nsec);
 535         printf("\t\t send message periodically and endless when nsec is non-zero\n");
 536         printf("\t-s server mode (you have to give exactly one -d address:port in this case)\n");
 537         printf("\t-n number of messages to send [default %d]\n", tcx->nmsg);
 538         printf("\t-l usec time to sleep in the main loop [default %d]\n", tcx->sleep_usec);
 539         printf("\t-v max variable msg size in bytes [default %d], 0=don't send var. size\n", tcx->maxsize);
 540         printf("\t-d LogLevel [default %d]\n", DEBUGLEVEL);
 541         printf("Press ctrl+C to stop the program.\n");
 542 }
 543
 544 int main(int argc, char *argv[])
 545 {
 546         int     rc, op;
 547         int     result = 1;
 548         struct tevent_context *ev = NULL;
 549         struct ibwtest_ctx *tcx = NULL;
 550         float   usec;
 551
 552         tcx = talloc_zero(NULL, struct ibwtest_ctx);
 553         memset(tcx, 0, sizeof(struct ibwtest_ctx));
 554         tcx->nsec = 0;
 555         tcx->nmsg = 1000;
 556         DEBUGLEVEL = 0;
 557
 558         /* here is the only case we can't avoid using global... */
 559         testctx = tcx;
 560         signal(SIGINT, ibwtest_sigint_handler);
 561         srand((unsigned)time(NULL));
 562
 563         while ((op=getopt(argc, argv, "i:o:d:m:st:n:l:v:a:")) != -1) {
 564                 switch (op) {
 565                 case 'i':
 566                         tcx->id = talloc_strdup(tcx, optarg);
 567                         break;
 568                 case 'o':
 569                         tcx->opts = talloc_strdup(tcx, optarg);
 570                         if (tcx->opts) goto cleanup;
 571                         if (ibwtest_parse_attrs(tcx, tcx->opts, &tcx->attrs,
 572                                 &tcx->nattrs, op))
 573                                 goto cleanup;
 574                         break;
 575                 case 'a':
 576                         if (ibwtest_getdests(tcx, op))
 577                                 goto cleanup;
 578                         break;
 579                 case 's':
 580                         tcx->is_server = 1;
 581                         break;
 582                 case 't':
 583                         tcx->nsec = (unsigned int)atoi(optarg);
 584                         break;
 585                 case 'n':
 586                         tcx->nmsg = atoi(optarg);
 587                         break;
 588                 case 'l':
 589                         tcx->sleep_usec = (unsigned int)atoi(optarg);
 590                         break;
 591                 case 'v':
 592                         tcx->maxsize = (unsigned int)atoi(optarg);
 593                         break;
 594                 case 'd':
 595                         DEBUGLEVEL = atoi(optarg);
 596                         break;
 597                 default:
 598                         fprintf(stderr, "ERROR: unknown option -%c\n", (char)op);
 599                         ibwtest_usage(tcx, argv[0]);
 600                         goto cleanup;
 601                 }
 602         }
 603         if (tcx->id==NULL) {
 604                 ibwtest_usage(tcx, argv[0]);
 605                 goto cleanup;
 606         }
 607
 608         ev = event_context_init(NULL);
 609         assert(ev);
 610
 611         tcx->ibwctx = ibw_init(tcx->attrs, tcx->nattrs,
 612                 tcx,
 613                 ibwtest_connstate_handler,
 614                 ibwtest_receive_handler,
 615                 ev
 616         );
 617         if (!tcx->ibwctx)
 618                 goto cleanup;
 619
 620         if (tcx->is_server)
 621                 rc = ibwtest_init_server(tcx);
 622         else
 623                 rc = ibwtest_connect_everybody(tcx);
 624         if (rc)
 625                 goto cleanup;
 626
 627         while(!tcx->kill_me && !tcx->error) {
 628                 if (tcx->nsec) {
 629                         event_add_timed(ev, tcx, timeval_current_ofs(0, tcx->nsec),
 630                                 ibwtest_timeout_handler, tcx);
 631                 }
 632
 633                 event_loop_once(ev);
 634
 635                 if (tcx->sleep_usec)
 636                         usleep(tcx->sleep_usec);
 637         }
 638
 639         if (!tcx->is_server && tcx->nsent!=0 && !tcx->error) {
 640                 if (gettimeofday(&tcx->end_time, NULL)) {
 641                         DEBUG(DEBUG_ERR, ("gettimeofday error %d\n", errno));
 642                         goto cleanup;
 643                 }
 644                 usec = (tcx->end_time.tv_sec - tcx->start_time.tv_sec) * 1000000 +
 645                                 (tcx->end_time.tv_usec - tcx->start_time.tv_usec);
 646                 printf("usec: %f, nmsg: %d, usec/nmsg: %f\n",
 647                         usec, tcx->nsent, usec/(float)tcx->nsent);
 648         }
 649
 650         if (!tcx->error)
 651                 result = 0; /* everything OK */
 652
 653 cleanup:
 654         if (tcx)
 655                 talloc_free(tcx);
 656         if (ev)
 657                 talloc_free(ev);
 658         DEBUG(DEBUG_ERR, ("exited with code %d\n", result));
 659         return result;
 660 }