release/src/router/libevent/test/regress_rpc.c

   1 /*
   2  * Copyright (c) 2003-2007 Niels Provos <provos@citi.umich.edu>
   3  * Copyright (c) 2007-2010 Niels Provos and Nick Mathewson
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. The name of the author may not be used to endorse or promote products
  14  *    derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 /* The old tests here need assertions to work. */
  29 #undef NDEBUG
  30
  31 #ifdef WIN32
  32 #include <winsock2.h>
  33 #include <windows.h>
  34 #endif
  35
  36 #include "event2/event-config.h"
  37
  38 #include <sys/types.h>
  39 #include <sys/stat.h>
  40 #ifdef _EVENT_HAVE_SYS_TIME_H
  41 #include <sys/time.h>
  42 #endif
  43 #include <sys/queue.h>
  44 #ifndef WIN32
  45 #include <sys/socket.h>
  46 #include <signal.h>
  47 #include <unistd.h>
  48 #include <netdb.h>
  49 #endif
  50 #include <fcntl.h>
  51 #include <stdlib.h>
  52 #include <stdio.h>
  53 #include <string.h>
  54 #include <errno.h>
  55 #include <assert.h>
  56
  57 #include "event2/buffer.h"
  58 #include "event2/event.h"
  59 #include "event2/event_compat.h"
  60 #include "event2/http.h"
  61 #include "event2/http_compat.h"
  62 #include "event2/http_struct.h"
  63 #include "event2/rpc.h"
  64 #include "event2/rpc.h"
  65 #include "event2/rpc_struct.h"
  66 #include "event2/tag.h"
  67 #include "log-internal.h"
  68
  69 #include "regress.gen.h"
  70
  71 #include "regress.h"
  72 #include "regress_testutils.h"
  73
  74 static struct evhttp *
  75 http_setup(ev_uint16_t *pport)
  76 {
  77         struct evhttp *myhttp;
  78         ev_uint16_t port;
  79         struct evhttp_bound_socket *sock;
  80
  81         myhttp = evhttp_new(NULL);
  82         if (!myhttp)
  83                 event_errx(1, "Could not start web server");
  84
  85         /* Try a few different ports */
  86         sock = evhttp_bind_socket_with_handle(myhttp, "127.0.0.1", 0);
  87         if (!sock)
  88                 event_errx(1, "Couldn't open web port");
  89
  90         port = regress_get_socket_port(evhttp_bound_socket_get_fd(sock));
  91
  92         *pport = port;
  93         return (myhttp);
  94 }
  95
  96 EVRPC_HEADER(Message, msg, kill)
  97 EVRPC_HEADER(NeverReply, msg, kill)
  98
  99 EVRPC_GENERATE(Message, msg, kill)
 100 EVRPC_GENERATE(NeverReply, msg, kill)
 101
 102 static int need_input_hook = 0;
 103 static int need_output_hook = 0;
 104
 105 static void
 106 MessageCb(EVRPC_STRUCT(Message)* rpc, void *arg)
 107 {
 108         struct kill* kill_reply = rpc->reply;
 109
 110         if (need_input_hook) {
 111                 struct evhttp_request* req = EVRPC_REQUEST_HTTP(rpc);
 112                 const char *header = evhttp_find_header(
 113                         req->input_headers, "X-Hook");
 114                 assert(strcmp(header, "input") == 0);
 115         }
 116
 117         /* we just want to fill in some non-sense */
 118         EVTAG_ASSIGN(kill_reply, weapon, "dagger");
 119         EVTAG_ASSIGN(kill_reply, action, "wave around like an idiot");
 120
 121         /* no reply to the RPC */
 122         EVRPC_REQUEST_DONE(rpc);
 123 }
 124
 125 static EVRPC_STRUCT(NeverReply) *saved_rpc;
 126
 127 static void
 128 NeverReplyCb(EVRPC_STRUCT(NeverReply)* rpc, void *arg)
 129 {
 130         test_ok += 1;
 131         saved_rpc = rpc;
 132 }
 133
 134 static void
 135 rpc_setup(struct evhttp **phttp, ev_uint16_t *pport, struct evrpc_base **pbase)
 136 {
 137         ev_uint16_t port;
 138         struct evhttp *http = NULL;
 139         struct evrpc_base *base = NULL;
 140
 141         http = http_setup(&port);
 142         base = evrpc_init(http);
 143
 144         EVRPC_REGISTER(base, Message, msg, kill, MessageCb, NULL);
 145         EVRPC_REGISTER(base, NeverReply, msg, kill, NeverReplyCb, NULL);
 146
 147         *phttp = http;
 148         *pport = port;
 149         *pbase = base;
 150
 151         need_input_hook = 0;
 152         need_output_hook = 0;
 153 }
 154
 155 static void
 156 rpc_teardown(struct evrpc_base *base)
 157 {
 158         assert(EVRPC_UNREGISTER(base, Message) == 0);
 159         assert(EVRPC_UNREGISTER(base, NeverReply) == 0);
 160
 161         evrpc_free(base);
 162 }
 163
 164 static void
 165 rpc_postrequest_failure(struct evhttp_request *req, void *arg)
 166 {
 167         if (req->response_code != HTTP_SERVUNAVAIL) {
 168
 169                 fprintf(stderr, "FAILED (response code)\n");
 170                 exit(1);
 171         }
 172
 173         test_ok = 1;
 174         event_loopexit(NULL);
 175 }
 176
 177 /*
 178  * Test a malformed payload submitted as an RPC
 179  */
 180
 181 static void
 182 rpc_basic_test(void)
 183 {
 184         ev_uint16_t port;
 185         struct evhttp *http = NULL;
 186         struct evrpc_base *base = NULL;
 187         struct evhttp_connection *evcon = NULL;
 188         struct evhttp_request *req = NULL;
 189
 190         rpc_setup(&http, &port, &base);
 191
 192         evcon = evhttp_connection_new("127.0.0.1", port);
 193         tt_assert(evcon);
 194
 195         /*
 196          * At this point, we want to schedule an HTTP POST request
 197          * server using our make request method.
 198          */
 199
 200         req = evhttp_request_new(rpc_postrequest_failure, NULL);
 201         tt_assert(req);
 202
 203         /* Add the information that we care about */
 204         evhttp_add_header(req->output_headers, "Host", "somehost");
 205         evbuffer_add_printf(req->output_buffer, "Some Nonsense");
 206
 207         if (evhttp_make_request(evcon, req,
 208                 EVHTTP_REQ_POST,
 209                 "/.rpc.Message") == -1) {
 210                 tt_abort();
 211         }
 212
 213         test_ok = 0;
 214
 215         event_dispatch();
 216
 217         evhttp_connection_free(evcon);
 218
 219         rpc_teardown(base);
 220
 221         tt_assert(test_ok == 1);
 222
 223 end:
 224         evhttp_free(http);
 225 }
 226
 227 static void
 228 rpc_postrequest_done(struct evhttp_request *req, void *arg)
 229 {
 230         struct kill* kill_reply = NULL;
 231
 232         if (req->response_code != HTTP_OK) {
 233                 fprintf(stderr, "FAILED (response code)\n");
 234                 exit(1);
 235         }
 236
 237         kill_reply = kill_new();
 238
 239         if ((kill_unmarshal(kill_reply, req->input_buffer)) == -1) {
 240                 fprintf(stderr, "FAILED (unmarshal)\n");
 241                 exit(1);
 242         }
 243
 244         kill_free(kill_reply);
 245
 246         test_ok = 1;
 247         event_loopexit(NULL);
 248 }
 249
 250 static void
 251 rpc_basic_message(void)
 252 {
 253         ev_uint16_t port;
 254         struct evhttp *http = NULL;
 255         struct evrpc_base *base = NULL;
 256         struct evhttp_connection *evcon = NULL;
 257         struct evhttp_request *req = NULL;
 258         struct msg *msg;
 259
 260         rpc_setup(&http, &port, &base);
 261
 262         evcon = evhttp_connection_new("127.0.0.1", port);
 263         tt_assert(evcon);
 264
 265         /*
 266          * At this point, we want to schedule an HTTP POST request
 267          * server using our make request method.
 268          */
 269
 270         req = evhttp_request_new(rpc_postrequest_done, NULL);
 271         if (req == NULL) {
 272                 fprintf(stdout, "FAILED\n");
 273                 exit(1);
 274         }
 275
 276         /* Add the information that we care about */
 277         evhttp_add_header(req->output_headers, "Host", "somehost");
 278
 279         /* set up the basic message */
 280         msg = msg_new();
 281         EVTAG_ASSIGN(msg, from_name, "niels");
 282         EVTAG_ASSIGN(msg, to_name, "tester");
 283         msg_marshal(req->output_buffer, msg);
 284         msg_free(msg);
 285
 286         if (evhttp_make_request(evcon, req,
 287                 EVHTTP_REQ_POST,
 288                 "/.rpc.Message") == -1) {
 289                 fprintf(stdout, "FAILED\n");
 290                 exit(1);
 291         }
 292
 293         test_ok = 0;
 294
 295         event_dispatch();
 296
 297         evhttp_connection_free(evcon);
 298
 299         rpc_teardown(base);
 300
 301 end:
 302         evhttp_free(http);
 303 }
 304
 305 static struct evrpc_pool *
 306 rpc_pool_with_connection(ev_uint16_t port)
 307 {
 308         struct evhttp_connection *evcon;
 309         struct evrpc_pool *pool;
 310
 311         pool = evrpc_pool_new(NULL);
 312         assert(pool != NULL);
 313
 314         evcon = evhttp_connection_new("127.0.0.1", port);
 315         assert(evcon != NULL);
 316
 317         evrpc_pool_add_connection(pool, evcon);
 318
 319         return (pool);
 320 }
 321
 322 static void
 323 GotKillCb(struct evrpc_status *status,
 324     struct msg *msg, struct kill *kill, void *arg)
 325 {
 326         char *weapon;
 327         char *action;
 328
 329         if (need_output_hook) {
 330                 struct evhttp_request *req = status->http_req;
 331                 const char *header = evhttp_find_header(
 332                         req->input_headers, "X-Pool-Hook");
 333                 assert(strcmp(header, "ran") == 0);
 334         }
 335
 336         if (status->error != EVRPC_STATUS_ERR_NONE)
 337                 goto done;
 338
 339         if (EVTAG_GET(kill, weapon, &weapon) == -1) {
 340                 fprintf(stderr, "get weapon\n");
 341                 goto done;
 342         }
 343         if (EVTAG_GET(kill, action, &action) == -1) {
 344                 fprintf(stderr, "get action\n");
 345                 goto done;
 346         }
 347
 348         if (strcmp(weapon, "dagger"))
 349                 goto done;
 350
 351         if (strcmp(action, "wave around like an idiot"))
 352                 goto done;
 353
 354         test_ok += 1;
 355
 356 done:
 357         event_loopexit(NULL);
 358 }
 359
 360 static void
 361 GotKillCbTwo(struct evrpc_status *status,
 362     struct msg *msg, struct kill *kill, void *arg)
 363 {
 364         char *weapon;
 365         char *action;
 366
 367         if (status->error != EVRPC_STATUS_ERR_NONE)
 368                 goto done;
 369
 370         if (EVTAG_GET(kill, weapon, &weapon) == -1) {
 371                 fprintf(stderr, "get weapon\n");
 372                 goto done;
 373         }
 374         if (EVTAG_GET(kill, action, &action) == -1) {
 375                 fprintf(stderr, "get action\n");
 376                 goto done;
 377         }
 378
 379         if (strcmp(weapon, "dagger"))
 380                 goto done;
 381
 382         if (strcmp(action, "wave around like an idiot"))
 383                 goto done;
 384
 385         test_ok += 1;
 386
 387 done:
 388         if (test_ok == 2)
 389                 event_loopexit(NULL);
 390 }
 391
 392 static int
 393 rpc_hook_add_header(void *ctx, struct evhttp_request *req,
 394     struct evbuffer *evbuf, void *arg)
 395 {
 396         const char *hook_type = arg;
 397         if (strcmp("input", hook_type) == 0)
 398                 evhttp_add_header(req->input_headers, "X-Hook", hook_type);
 399         else
 400                 evhttp_add_header(req->output_headers, "X-Hook", hook_type);
 401
 402         assert(evrpc_hook_get_connection(ctx) != NULL);
 403
 404         return (EVRPC_CONTINUE);
 405 }
 406
 407 static int
 408 rpc_hook_add_meta(void *ctx, struct evhttp_request *req,
 409     struct evbuffer *evbuf, void *arg)
 410 {
 411         evrpc_hook_add_meta(ctx, "meta", "test", 5);
 412
 413         assert(evrpc_hook_get_connection(ctx) != NULL);
 414
 415         return (EVRPC_CONTINUE);
 416 }
 417
 418 static int
 419 rpc_hook_remove_header(void *ctx, struct evhttp_request *req,
 420     struct evbuffer *evbuf, void *arg)
 421 {
 422         const char *header = evhttp_find_header(req->input_headers, "X-Hook");
 423         void *data = NULL;
 424         size_t data_len = 0;
 425
 426         assert(header != NULL);
 427         assert(strcmp(header, arg) == 0);
 428
 429         evhttp_remove_header(req->input_headers, "X-Hook");
 430         evhttp_add_header(req->input_headers, "X-Pool-Hook", "ran");
 431
 432         assert(evrpc_hook_find_meta(ctx, "meta", &data, &data_len) == 0);
 433         assert(data != NULL);
 434         assert(data_len == 5);
 435
 436         assert(evrpc_hook_get_connection(ctx) != NULL);
 437
 438         return (EVRPC_CONTINUE);
 439 }
 440
 441 static void
 442 rpc_basic_client(void)
 443 {
 444         ev_uint16_t port;
 445         struct evhttp *http = NULL;
 446         struct evrpc_base *base = NULL;
 447         struct evrpc_pool *pool = NULL;
 448         struct msg *msg = NULL;
 449         struct kill *kill = NULL;
 450
 451         rpc_setup(&http, &port, &base);
 452
 453         need_input_hook = 1;
 454         need_output_hook = 1;
 455
 456         assert(evrpc_add_hook(base, EVRPC_INPUT, rpc_hook_add_header, (void*)"input")
 457             != NULL);
 458         assert(evrpc_add_hook(base, EVRPC_OUTPUT, rpc_hook_add_header, (void*)"output")
 459             != NULL);
 460
 461         pool = rpc_pool_with_connection(port);
 462
 463         assert(evrpc_add_hook(pool, EVRPC_OUTPUT, rpc_hook_add_meta, NULL));
 464         assert(evrpc_add_hook(pool, EVRPC_INPUT, rpc_hook_remove_header, (void*)"output"));
 465
 466         /* set up the basic message */
 467         msg = msg_new();
 468         EVTAG_ASSIGN(msg, from_name, "niels");
 469         EVTAG_ASSIGN(msg, to_name, "tester");
 470
 471         kill = kill_new();
 472
 473         EVRPC_MAKE_REQUEST(Message, pool, msg, kill,  GotKillCb, NULL);
 474
 475         test_ok = 0;
 476
 477         event_dispatch();
 478
 479         tt_assert(test_ok == 1);
 480
 481         /* we do it twice to make sure that reuse works correctly */
 482         kill_clear(kill);
 483
 484         EVRPC_MAKE_REQUEST(Message, pool, msg, kill,  GotKillCb, NULL);
 485
 486         event_dispatch();
 487
 488         tt_assert(test_ok == 2);
 489
 490         /* we do it trice to make sure other stuff works, too */
 491         kill_clear(kill);
 492
 493         {
 494                 struct evrpc_request_wrapper *ctx =
 495                     EVRPC_MAKE_CTX(Message, msg, kill,
 496                         pool, msg, kill, GotKillCb, NULL);
 497                 evrpc_make_request(ctx);
 498         }
 499
 500         event_dispatch();
 501
 502         rpc_teardown(base);
 503
 504         tt_assert(test_ok == 3);
 505
 506 end:
 507         if (msg)
 508                 msg_free(msg);
 509         if (kill)
 510                 kill_free(kill);
 511
 512         if (pool)
 513                 evrpc_pool_free(pool);
 514         if (http)
 515                 evhttp_free(http);
 516
 517         need_input_hook = 0;
 518         need_output_hook = 0;
 519 }
 520
 521 /*
 522  * We are testing that the second requests gets send over the same
 523  * connection after the first RPCs completes.
 524  */
 525 static void
 526 rpc_basic_queued_client(void)
 527 {
 528         ev_uint16_t port;
 529         struct evhttp *http = NULL;
 530         struct evrpc_base *base = NULL;
 531         struct evrpc_pool *pool = NULL;
 532         struct msg *msg=NULL;
 533         struct kill *kill_one=NULL, *kill_two=NULL;
 534
 535         rpc_setup(&http, &port, &base);
 536
 537         pool = rpc_pool_with_connection(port);
 538
 539         /* set up the basic message */
 540         msg = msg_new();
 541         EVTAG_ASSIGN(msg, from_name, "niels");
 542         EVTAG_ASSIGN(msg, to_name, "tester");
 543
 544         kill_one = kill_new();
 545         kill_two = kill_new();
 546
 547         EVRPC_MAKE_REQUEST(Message, pool, msg, kill_one,  GotKillCbTwo, NULL);
 548         EVRPC_MAKE_REQUEST(Message, pool, msg, kill_two,  GotKillCb, NULL);
 549
 550         test_ok = 0;
 551
 552         event_dispatch();
 553
 554         rpc_teardown(base);
 555
 556         tt_assert(test_ok == 2);
 557
 558 end:
 559         if (msg)
 560                 msg_free(msg);
 561         if (kill_one)
 562                 kill_free(kill_one);
 563         if (kill_two)
 564                 kill_free(kill_two);
 565
 566         if (pool)
 567                 evrpc_pool_free(pool);
 568         if (http)
 569                 evhttp_free(http);
 570 }
 571
 572 static void
 573 GotErrorCb(struct evrpc_status *status,
 574     struct msg *msg, struct kill *kill, void *arg)
 575 {
 576         if (status->error != EVRPC_STATUS_ERR_TIMEOUT)
 577                 goto done;
 578
 579         /* should never be complete but just to check */
 580         if (kill_complete(kill) == 0)
 581                 goto done;
 582
 583         test_ok += 1;
 584
 585 done:
 586         event_loopexit(NULL);
 587 }
 588
 589 /* we just pause the rpc and continue it in the next callback */
 590
 591 struct _rpc_hook_ctx {
 592         void *vbase;
 593         void *ctx;
 594 };
 595
 596 static int hook_pause_cb_called=0;
 597
 598 static void
 599 rpc_hook_pause_cb(evutil_socket_t fd, short what, void *arg)
 600 {
 601         struct _rpc_hook_ctx *ctx = arg;
 602         ++hook_pause_cb_called;
 603         evrpc_resume_request(ctx->vbase, ctx->ctx, EVRPC_CONTINUE);
 604         free(arg);
 605 }
 606
 607 static int
 608 rpc_hook_pause(void *ctx, struct evhttp_request *req, struct evbuffer *evbuf,
 609     void *arg)
 610 {
 611         struct _rpc_hook_ctx *tmp = malloc(sizeof(*tmp));
 612         struct timeval tv;
 613
 614         assert(tmp != NULL);
 615         tmp->vbase = arg;
 616         tmp->ctx = ctx;
 617
 618         memset(&tv, 0, sizeof(tv));
 619         event_once(-1, EV_TIMEOUT, rpc_hook_pause_cb, tmp, &tv);
 620         return EVRPC_PAUSE;
 621 }
 622
 623 static void
 624 rpc_basic_client_with_pause(void)
 625 {
 626         ev_uint16_t port;
 627         struct evhttp *http = NULL;
 628         struct evrpc_base *base = NULL;
 629         struct evrpc_pool *pool = NULL;
 630         struct msg *msg = NULL;
 631         struct kill *kill= NULL;
 632
 633         rpc_setup(&http, &port, &base);
 634
 635         assert(evrpc_add_hook(base, EVRPC_INPUT, rpc_hook_pause, base));
 636         assert(evrpc_add_hook(base, EVRPC_OUTPUT, rpc_hook_pause, base));
 637
 638         pool = rpc_pool_with_connection(port);
 639
 640         assert(evrpc_add_hook(pool, EVRPC_INPUT, rpc_hook_pause, pool));
 641         assert(evrpc_add_hook(pool, EVRPC_OUTPUT, rpc_hook_pause, pool));
 642
 643         /* set up the basic message */
 644         msg = msg_new();
 645         EVTAG_ASSIGN(msg, from_name, "niels");
 646         EVTAG_ASSIGN(msg, to_name, "tester");
 647
 648         kill = kill_new();
 649
 650         EVRPC_MAKE_REQUEST(Message, pool, msg, kill, GotKillCb, NULL);
 651
 652         test_ok = 0;
 653
 654         event_dispatch();
 655
 656         tt_int_op(test_ok, ==, 1);
 657         tt_int_op(hook_pause_cb_called, ==, 4);
 658
 659 end:
 660         if (base)
 661                 rpc_teardown(base);
 662
 663         if (msg)
 664                 msg_free(msg);
 665         if (kill)
 666                 kill_free(kill);
 667
 668         if (pool)
 669                 evrpc_pool_free(pool);
 670         if (http)
 671                 evhttp_free(http);
 672 }
 673
 674 static void
 675 rpc_client_timeout(void)
 676 {
 677         ev_uint16_t port;
 678         struct evhttp *http = NULL;
 679         struct evrpc_base *base = NULL;
 680         struct evrpc_pool *pool = NULL;
 681         struct msg *msg = NULL;
 682         struct kill *kill = NULL;
 683
 684         rpc_setup(&http, &port, &base);
 685
 686         pool = rpc_pool_with_connection(port);
 687
 688         /* set the timeout to 5 seconds */
 689         evrpc_pool_set_timeout(pool, 5);
 690
 691         /* set up the basic message */
 692         msg = msg_new();
 693         EVTAG_ASSIGN(msg, from_name, "niels");
 694         EVTAG_ASSIGN(msg, to_name, "tester");
 695
 696         kill = kill_new();
 697
 698         EVRPC_MAKE_REQUEST(NeverReply, pool, msg, kill, GotErrorCb, NULL);
 699
 700         test_ok = 0;
 701
 702         event_dispatch();
 703
 704         /* free the saved RPC structure up */
 705         EVRPC_REQUEST_DONE(saved_rpc);
 706
 707         rpc_teardown(base);
 708
 709         tt_assert(test_ok == 2);
 710
 711 end:
 712         if (msg)
 713                 msg_free(msg);
 714         if (kill)
 715                 kill_free(kill);
 716
 717         if (pool)
 718                 evrpc_pool_free(pool);
 719         if (http)
 720                 evhttp_free(http);
 721 }
 722
 723 static void
 724 rpc_test(void)
 725 {
 726         struct msg *msg = NULL, *msg2 = NULL;
 727         struct kill *attack = NULL;
 728         struct run *run = NULL;
 729         struct evbuffer *tmp = evbuffer_new();
 730         struct timeval tv_start, tv_end;
 731         ev_uint32_t tag;
 732         int i;
 733
 734         msg = msg_new();
 735         EVTAG_ASSIGN(msg, from_name, "niels");
 736         EVTAG_ASSIGN(msg, to_name, "phoenix");
 737
 738         if (EVTAG_GET(msg, attack, &attack) == -1) {
 739                 tt_abort_msg("Failed to set kill message.");
 740         }
 741
 742         EVTAG_ASSIGN(attack, weapon, "feather");
 743         EVTAG_ASSIGN(attack, action, "tickle");
 744         for (i = 0; i < 3; ++i) {
 745                 if (EVTAG_ARRAY_ADD_VALUE(attack, how_often, i) == NULL) {
 746                         tt_abort_msg("Failed to add how_often.");
 747                 }
 748         }
 749
 750         evutil_gettimeofday(&tv_start, NULL);
 751         for (i = 0; i < 1000; ++i) {
 752                 run = EVTAG_ARRAY_ADD(msg, run);
 753                 if (run == NULL) {
 754                         tt_abort_msg("Failed to add run message.");
 755                 }
 756                 EVTAG_ASSIGN(run, how, "very fast but with some data in it");
 757                 EVTAG_ASSIGN(run, fixed_bytes,
 758                     (ev_uint8_t*)"012345678901234567890123");
 759
 760                 if (EVTAG_ARRAY_ADD_VALUE(
 761                             run, notes, "this is my note") == NULL) {
 762                         tt_abort_msg("Failed to add note.");
 763                 }
 764                 if (EVTAG_ARRAY_ADD_VALUE(run, notes, "pps") == NULL) {
 765                         tt_abort_msg("Failed to add note");
 766                 }
 767
 768                 EVTAG_ASSIGN(run, large_number, 0xdead0a0bcafebeefLL);
 769                 EVTAG_ARRAY_ADD_VALUE(run, other_numbers, 0xdead0a0b);
 770                 EVTAG_ARRAY_ADD_VALUE(run, other_numbers, 0xbeefcafe);
 771         }
 772
 773         if (msg_complete(msg) == -1)
 774                 tt_abort_msg("Failed to make complete message.");
 775
 776         evtag_marshal_msg(tmp, 0xdeaf, msg);
 777
 778         if (evtag_peek(tmp, &tag) == -1)
 779                 tt_abort_msg("Failed to peak tag.");
 780
 781         if (tag != 0xdeaf)
 782                 TT_DIE(("Got incorrect tag: %0x.", (unsigned)tag));
 783
 784         msg2 = msg_new();
 785         if (evtag_unmarshal_msg(tmp, 0xdeaf, msg2) == -1)
 786                 tt_abort_msg("Failed to unmarshal message.");
 787
 788         evutil_gettimeofday(&tv_end, NULL);
 789         evutil_timersub(&tv_end, &tv_start, &tv_end);
 790         TT_BLATHER(("(%.1f us/add) ",
 791                 (float)tv_end.tv_sec/(float)i * 1000000.0 +
 792                 tv_end.tv_usec / (float)i));
 793
 794         if (!EVTAG_HAS(msg2, from_name) ||
 795             !EVTAG_HAS(msg2, to_name) ||
 796             !EVTAG_HAS(msg2, attack)) {
 797                 tt_abort_msg("Missing data structures.");
 798         }
 799
 800         if (EVTAG_GET(msg2, attack, &attack) == -1) {
 801                 tt_abort_msg("Could not get attack.");
 802         }
 803
 804         if (EVTAG_ARRAY_LEN(msg2, run) != i) {
 805                 tt_abort_msg("Wrong number of run messages.");
 806         }
 807
 808         /* get the very first run message */
 809         if (EVTAG_ARRAY_GET(msg2, run, 0, &run) == -1) {
 810                 tt_abort_msg("Failed to get run msg.");
 811         } else {
 812                 /* verify the notes */
 813                 char *note_one, *note_two;
 814                 ev_uint64_t large_number;
 815                 ev_uint32_t short_number;
 816
 817                 if (EVTAG_ARRAY_LEN(run, notes) != 2) {
 818                         tt_abort_msg("Wrong number of note strings.");
 819                 }
 820
 821                 if (EVTAG_ARRAY_GET(run, notes, 0, &note_one) == -1 ||
 822                     EVTAG_ARRAY_GET(run, notes, 1, &note_two) == -1) {
 823                         tt_abort_msg("Could not get note strings.");
 824                 }
 825
 826                 if (strcmp(note_one, "this is my note") ||
 827                     strcmp(note_two, "pps")) {
 828                         tt_abort_msg("Incorrect note strings encoded.");
 829                 }
 830
 831                 if (EVTAG_GET(run, large_number, &large_number) == -1 ||
 832                     large_number != 0xdead0a0bcafebeefLL) {
 833                         tt_abort_msg("Incorrrect large_number.");
 834                 }
 835
 836                 if (EVTAG_ARRAY_LEN(run, other_numbers) != 2) {
 837                         tt_abort_msg("Wrong number of other_numbers.");
 838                 }
 839
 840                 if (EVTAG_ARRAY_GET(
 841                             run, other_numbers, 0, &short_number) == -1) {
 842                         tt_abort_msg("Could not get short number.");
 843                 }
 844                 tt_uint_op(short_number, ==, 0xdead0a0b);
 845
 846         }
 847         tt_int_op(EVTAG_ARRAY_LEN(attack, how_often), ==, 3);
 848
 849         for (i = 0; i < 3; ++i) {
 850                 ev_uint32_t res;
 851                 if (EVTAG_ARRAY_GET(attack, how_often, i, &res) == -1) {
 852                         TT_DIE(("Cannot get %dth how_often msg.", i));
 853                 }
 854                 if ((int)res != i) {
 855                         TT_DIE(("Wrong message encoded %d != %d", i, res));
 856                 }
 857         }
 858
 859         test_ok = 1;
 860 end:
 861         if (msg)
 862                 msg_free(msg);
 863         if (msg2)
 864                 msg_free(msg2);
 865         if (tmp)
 866                 evbuffer_free(tmp);
 867 }
 868
 869 #define RPC_LEGACY(name)                                                \
 870         { #name, run_legacy_test_fn, TT_FORK|TT_NEED_BASE|TT_LEGACY,    \
 871                     &legacy_setup,                                      \
 872                     rpc_##name }
 873
 874 struct testcase_t rpc_testcases[] = {
 875         RPC_LEGACY(basic_test),
 876         RPC_LEGACY(basic_message),
 877         RPC_LEGACY(basic_client),
 878         RPC_LEGACY(basic_queued_client),
 879         RPC_LEGACY(basic_client_with_pause),
 880         RPC_LEGACY(client_timeout),
 881         RPC_LEGACY(test),
 882
 883         END_OF_TESTCASES,
 884 };