| 1 | /* |
| 2 | Copyright (C) 2004 by Intra2net AG |
| 3 | |
| 4 | The software in this package is distributed under the GNU General |
| 5 | Public License version 2 (with a special exception described below). |
| 6 | |
| 7 | A copy of GNU General Public License (GPL) is included in this distribution, |
| 8 | in the file COPYING.GPL. |
| 9 | |
| 10 | As a special exception, if other files instantiate templates or use macros |
| 11 | or inline functions from this file, or you compile this file and link it |
| 12 | with other works to produce a work based on this file, this file |
| 13 | does not by itself cause the resulting work to be covered |
| 14 | by the GNU General Public License. |
| 15 | |
| 16 | However the source code for this file must still be made available |
| 17 | in accordance with section (3) of the GNU General Public License. |
| 18 | |
| 19 | This exception does not invalidate any other reasons why a work based |
| 20 | on this file might be covered by the GNU General Public License. |
| 21 | */ |
| 22 | #include <sys/types.h> |
| 23 | #include <unistd.h> |
| 24 | #include <errno.h> |
| 25 | #include <signal.h> |
| 26 | #include <stdio.h> |
| 27 | |
| 28 | #include <iostream> |
| 29 | #include <string> |
| 30 | #include <sstream> |
| 31 | #include <stdexcept> |
| 32 | |
| 33 | #include <boost/bind.hpp> |
| 34 | |
| 35 | #include <cppunit/extensions/TestFactoryRegistry.h> |
| 36 | #include <cppunit/ui/text/TestRunner.h> |
| 37 | #include <cppunit/extensions/HelperMacros.h> |
| 38 | |
| 39 | #include <boost/archive/binary_oarchive.hpp> |
| 40 | #include <boost/archive/binary_iarchive.hpp> |
| 41 | #include <boost/archive/xml_oarchive.hpp> |
| 42 | #include <boost/archive/xml_iarchive.hpp> |
| 43 | #include <boost/serialization/serialization.hpp> |
| 44 | |
| 45 | #include <container.hxx> |
| 46 | #include <socket_client.hxx> |
| 47 | #include <socket_server.hxx> |
| 48 | #include <command_client.hxx> |
| 49 | #include <command_server.hxx> |
| 50 | |
| 51 | #ifdef HAVE_CONFIG_H |
| 52 | #include <config.h> |
| 53 | #endif |
| 54 | |
| 55 | using namespace std; |
| 56 | using namespace libt2n; |
| 57 | using namespace CppUnit; |
| 58 | |
| 59 | string testfunc2(const string& str) |
| 60 | { |
| 61 | if (str=="throw") |
| 62 | throw libt2n::t2n_runtime_error("throw me around"); |
| 63 | string ret(str); |
| 64 | ret+=", testfunc() was here"; |
| 65 | return ret; |
| 66 | } |
| 67 | |
| 68 | class testfunc2_res : public libt2n::result |
| 69 | { |
| 70 | private: |
| 71 | string res; |
| 72 | |
| 73 | friend class boost::serialization::access; |
| 74 | template<class Archive> |
| 75 | void serialize(Archive & ar, const unsigned int version) |
| 76 | { |
| 77 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::result); |
| 78 | ar & BOOST_SERIALIZATION_NVP(res); |
| 79 | } |
| 80 | |
| 81 | public: |
| 82 | testfunc2_res() |
| 83 | { } |
| 84 | |
| 85 | testfunc2_res(const string& str) |
| 86 | { |
| 87 | res=str; |
| 88 | } |
| 89 | |
| 90 | string get_data() |
| 91 | { |
| 92 | return res; |
| 93 | } |
| 94 | }; |
| 95 | |
| 96 | |
| 97 | class testfunc2_cmd : public libt2n::command |
| 98 | { |
| 99 | private: |
| 100 | string param; |
| 101 | |
| 102 | friend class boost::serialization::access; |
| 103 | template<class Archive> |
| 104 | void serialize(Archive & ar, const unsigned int version) |
| 105 | { |
| 106 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::command); |
| 107 | ar & BOOST_SERIALIZATION_NVP(param); |
| 108 | } |
| 109 | |
| 110 | public: |
| 111 | testfunc2_cmd() |
| 112 | { } |
| 113 | |
| 114 | testfunc2_cmd(const string& str) |
| 115 | { |
| 116 | param=str; |
| 117 | } |
| 118 | |
| 119 | libt2n::result* operator()() |
| 120 | { |
| 121 | return new testfunc2_res(testfunc2(param)); |
| 122 | } |
| 123 | }; |
| 124 | |
| 125 | #include <boost/serialization/export.hpp> |
| 126 | |
| 127 | BOOST_CLASS_EXPORT(testfunc2_cmd) |
| 128 | BOOST_CLASS_EXPORT(testfunc2_res) |
| 129 | |
| 130 | // this is an evil hack to get access to real_write, don't ever do this in an app!!! |
| 131 | class real_write_connection: public socket_server_connection |
| 132 | { |
| 133 | public: |
| 134 | void real_write(const std::string& data) |
| 135 | { socket_write(data); } |
| 136 | }; |
| 137 | |
| 138 | // this is an evil hack to get access to real_write, don't ever do this in an app!!! |
| 139 | class real_write_client_connection: public socket_client_connection |
| 140 | { |
| 141 | public: |
| 142 | void real_write(const std::string& data) |
| 143 | { socket_write(data); } |
| 144 | }; |
| 145 | |
| 146 | class test_timeout : public TestFixture |
| 147 | { |
| 148 | CPPUNIT_TEST_SUITE(test_timeout); |
| 149 | |
| 150 | CPPUNIT_TEST(ConnectTimeout); |
| 151 | CPPUNIT_TEST(HelloTimeoutNothing); |
| 152 | CPPUNIT_TEST(HelloTimeoutSlowData); |
| 153 | CPPUNIT_TEST(CommandTimeout); |
| 154 | CPPUNIT_TEST(CommandSlowResponse); |
| 155 | CPPUNIT_TEST(DisconnectOnWrite); |
| 156 | CPPUNIT_TEST(WriteTwice); |
| 157 | CPPUNIT_TEST(DisconnectOnRead); |
| 158 | CPPUNIT_TEST(BreakAccept); |
| 159 | |
| 160 | CPPUNIT_TEST_SUITE_END(); |
| 161 | |
| 162 | pid_t child_pid; |
| 163 | |
| 164 | public: |
| 165 | |
| 166 | typedef uint32_t packet_size_indicator; |
| 167 | |
| 168 | void setUp() |
| 169 | { } |
| 170 | |
| 171 | void tearDown() |
| 172 | { |
| 173 | // make sure the server-child is dead before the next test runs |
| 174 | kill(child_pid,SIGKILL); |
| 175 | sleep(1); |
| 176 | } |
| 177 | |
| 178 | void send_hello(string hello_string, socket_server* ss, unsigned int conn_id) |
| 179 | { |
| 180 | server_connection *sc=ss->get_connection(conn_id); |
| 181 | sc->write(hello_string); |
| 182 | } |
| 183 | |
| 184 | void send_slow_raw_socket(string data, socket_server* ss, unsigned int conn_id) |
| 185 | { |
| 186 | socket_server_connection *ssc=dynamic_cast<socket_server_connection*>(ss->get_connection(conn_id)); |
| 187 | |
| 188 | // this is an evil hack to get access to real_write, don't ever do this in an app!!! |
| 189 | real_write_connection *rwc=(real_write_connection*)ssc; |
| 190 | |
| 191 | // we write one char each 0.2 sec |
| 192 | for (int pos=0; pos < data.size(); pos++) |
| 193 | { |
| 194 | string onebyte; |
| 195 | onebyte+=data[pos]; |
| 196 | rwc->real_write(onebyte); |
| 197 | usleep(200000); |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | void ConnectTimeout() |
| 202 | { |
| 203 | switch(child_pid=fork()) |
| 204 | { |
| 205 | case -1: |
| 206 | { |
| 207 | CPPUNIT_FAIL("fork error"); |
| 208 | break; |
| 209 | } |
| 210 | case 0: |
| 211 | // child |
| 212 | { |
| 213 | try |
| 214 | { |
| 215 | socket_server ss("./socket"); |
| 216 | } catch(...) |
| 217 | { |
| 218 | std::cerr << "exception in child. ignoring\n"; |
| 219 | } |
| 220 | |
| 221 | // don't call atexit and stuff |
| 222 | _exit(0); |
| 223 | } |
| 224 | |
| 225 | default: |
| 226 | // parent |
| 227 | { |
| 228 | string data; |
| 229 | |
| 230 | // wait till server is up |
| 231 | sleep(1); |
| 232 | |
| 233 | string errormsg; |
| 234 | |
| 235 | socket_client_connection sc("./socket"); |
| 236 | |
| 237 | CPPUNIT_ASSERT_EQUAL_MESSAGE("connection not closed",true,sc.connection::is_closed()); |
| 238 | |
| 239 | CPPUNIT_ASSERT_EQUAL_MESSAGE("wrong errormessage",string("no more retries left after connect error"),sc.get_last_error_msg()); |
| 240 | } |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | void HelloTimeoutNothing() |
| 245 | { |
| 246 | switch(child_pid=fork()) |
| 247 | { |
| 248 | case -1: |
| 249 | { |
| 250 | CPPUNIT_FAIL("fork error"); |
| 251 | break; |
| 252 | } |
| 253 | case 0: |
| 254 | // child |
| 255 | { |
| 256 | try |
| 257 | { |
| 258 | socket_server ss("./socket"); |
| 259 | |
| 260 | // max 10 sec |
| 261 | for (int i=0; i < 10; i++) |
| 262 | ss.fill_buffer(1000000); |
| 263 | } catch(...) |
| 264 | { |
| 265 | std::cerr << "exception in child. ignoring\n"; |
| 266 | } |
| 267 | |
| 268 | // don't call atexit and stuff |
| 269 | _exit(0); |
| 270 | } |
| 271 | |
| 272 | default: |
| 273 | // parent |
| 274 | { |
| 275 | string data; |
| 276 | |
| 277 | // wait till server is up |
| 278 | sleep(1); |
| 279 | socket_client_connection sc("./socket"); |
| 280 | command_client cc(&sc,1000000,1000000); |
| 281 | |
| 282 | t2n_exception* ep=cc.get_constuctor_exception(); |
| 283 | |
| 284 | string errormsg; |
| 285 | if (ep) |
| 286 | errormsg=ep->what(); |
| 287 | |
| 288 | CPPUNIT_ASSERT_EQUAL(string("timeout exceeded"),errormsg); |
| 289 | } |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | void HelloTimeoutSlowData() |
| 294 | { |
| 295 | switch(child_pid=fork()) |
| 296 | { |
| 297 | case -1: |
| 298 | { |
| 299 | CPPUNIT_FAIL("fork error"); |
| 300 | break; |
| 301 | } |
| 302 | case 0: |
| 303 | // child |
| 304 | { |
| 305 | try |
| 306 | { |
| 307 | socket_server ss("./socket"); |
| 308 | |
| 309 | // create a valid packet |
| 310 | ostringstream hello; |
| 311 | hello << "T2Nv" << PROTOCOL_VERSION << ';'; |
| 312 | int byteordercheck=1; |
| 313 | hello.write((char*)&byteordercheck,sizeof(byteordercheck)); |
| 314 | hello << ';'; |
| 315 | |
| 316 | packet_size_indicator psize=htonl(hello.str().size()); |
| 317 | std::string send_data(hello.str()); |
| 318 | send_data.insert(0,(char*)&psize,sizeof(packet_size_indicator)); |
| 319 | |
| 320 | ss.add_callback(new_connection,bind(&test_timeout::send_slow_raw_socket, boost::ref(*this), send_data,&ss, _1)); |
| 321 | |
| 322 | // max 10 sec |
| 323 | for (int i=0; i < 10; i++) |
| 324 | ss.fill_buffer(1000000); |
| 325 | } catch(...) |
| 326 | { |
| 327 | std::cerr << "exception in child. ignoring\n"; |
| 328 | } |
| 329 | |
| 330 | // don't call atexit and stuff |
| 331 | _exit(0); |
| 332 | } |
| 333 | |
| 334 | default: |
| 335 | // parent |
| 336 | { |
| 337 | string data; |
| 338 | |
| 339 | // wait till server is up |
| 340 | sleep(1); |
| 341 | socket_client_connection sc("./socket"); |
| 342 | command_client cc(&sc,1000000,1000000); |
| 343 | |
| 344 | t2n_exception* ep=cc.get_constuctor_exception(); |
| 345 | |
| 346 | string errormsg; |
| 347 | if (ep) |
| 348 | errormsg=ep->what(); |
| 349 | |
| 350 | CPPUNIT_ASSERT_EQUAL(string("timeout exceeded"),errormsg); |
| 351 | } |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | void CommandTimeout() |
| 356 | { |
| 357 | switch(child_pid=fork()) |
| 358 | { |
| 359 | case -1: |
| 360 | { |
| 361 | CPPUNIT_FAIL("fork error"); |
| 362 | break; |
| 363 | } |
| 364 | case 0: |
| 365 | // child |
| 366 | { |
| 367 | try |
| 368 | { |
| 369 | socket_server ss("./socket"); |
| 370 | |
| 371 | ostringstream hello; |
| 372 | hello << "T2Nv" << PROTOCOL_VERSION << ';'; |
| 373 | int byteordercheck=1; |
| 374 | hello.write((char*)&byteordercheck,sizeof(byteordercheck)); |
| 375 | hello << ';'; |
| 376 | |
| 377 | ss.add_callback(new_connection,bind(&test_timeout::send_hello, boost::ref(*this), hello.str(),&ss, _1)); |
| 378 | |
| 379 | // max 10 sec |
| 380 | for (int i=0; i < 10; i++) |
| 381 | ss.fill_buffer(1000000); |
| 382 | } catch(...) |
| 383 | { |
| 384 | std::cerr << "exception in child. ignoring\n"; |
| 385 | } |
| 386 | |
| 387 | // don't call atexit and stuff |
| 388 | _exit(0); |
| 389 | } |
| 390 | |
| 391 | default: |
| 392 | // parent |
| 393 | { |
| 394 | string data; |
| 395 | |
| 396 | // wait till server is up |
| 397 | sleep(1); |
| 398 | socket_client_connection sc("./socket"); |
| 399 | |
| 400 | command_client cc(&sc,1000000,1000000); |
| 401 | result_container rc; |
| 402 | |
| 403 | string errormsg; |
| 404 | |
| 405 | try |
| 406 | { |
| 407 | cc.send_command(new testfunc2_cmd("hello"),rc); |
| 408 | } |
| 409 | catch(t2n_transfer_error &e) |
| 410 | { errormsg=e.what(); } |
| 411 | catch(...) |
| 412 | { throw; } |
| 413 | |
| 414 | CPPUNIT_ASSERT_EQUAL(string("timeout exceeded"),errormsg); |
| 415 | } |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | void CommandSlowResponse() |
| 420 | { |
| 421 | switch(child_pid=fork()) |
| 422 | { |
| 423 | case -1: |
| 424 | { |
| 425 | CPPUNIT_FAIL("fork error"); |
| 426 | break; |
| 427 | } |
| 428 | case 0: |
| 429 | // child |
| 430 | { |
| 431 | try |
| 432 | { |
| 433 | socket_server ss("./socket"); |
| 434 | |
| 435 | ostringstream hello; |
| 436 | hello << "T2Nv" << PROTOCOL_VERSION << ';'; |
| 437 | int byteordercheck=1; |
| 438 | hello.write((char*)&byteordercheck,sizeof(byteordercheck)); |
| 439 | hello << ';'; |
| 440 | |
| 441 | ss.add_callback(new_connection,bind(&test_timeout::send_hello, boost::ref(*this), hello.str(),&ss, _1)); |
| 442 | |
| 443 | // max 10 sec |
| 444 | for (int i=0; i < 10; i++) |
| 445 | { |
| 446 | ss.fill_buffer(1000000); |
| 447 | |
| 448 | string data; |
| 449 | unsigned int cid; |
| 450 | |
| 451 | if(ss.get_packet(data,cid)) |
| 452 | { |
| 453 | // create a valid packet & send |
| 454 | string response="abcdefghijklmnopqrstuvwxyz"; |
| 455 | packet_size_indicator psize=htonl(response.size()); |
| 456 | std::string send_data(response); |
| 457 | send_data.insert(0,(char*)&psize,sizeof(packet_size_indicator)); |
| 458 | send_slow_raw_socket(send_data,&ss,cid); |
| 459 | } |
| 460 | } |
| 461 | } catch(...) |
| 462 | { |
| 463 | std::cerr << "exception in child. ignoring\n"; |
| 464 | } |
| 465 | |
| 466 | // don't call atexit and stuff |
| 467 | _exit(0); |
| 468 | } |
| 469 | |
| 470 | default: |
| 471 | // parent |
| 472 | { |
| 473 | string data; |
| 474 | |
| 475 | // wait till server is up |
| 476 | sleep(1); |
| 477 | socket_client_connection sc("./socket"); |
| 478 | |
| 479 | command_client cc(&sc,1000000,1000000); |
| 480 | result_container rc; |
| 481 | |
| 482 | string errormsg; |
| 483 | |
| 484 | try |
| 485 | { |
| 486 | cc.send_command(new testfunc2_cmd("hello"),rc); |
| 487 | } |
| 488 | catch(t2n_transfer_error &e) |
| 489 | { errormsg=e.what(); } |
| 490 | catch(...) |
| 491 | { throw; } |
| 492 | |
| 493 | CPPUNIT_ASSERT_EQUAL(string("timeout exceeded"),errormsg); |
| 494 | } |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | void DisconnectOnWrite() |
| 499 | { |
| 500 | switch(child_pid=fork()) |
| 501 | { |
| 502 | case -1: |
| 503 | { |
| 504 | CPPUNIT_FAIL("fork error"); |
| 505 | break; |
| 506 | } |
| 507 | case 0: |
| 508 | // child |
| 509 | { |
| 510 | try |
| 511 | { |
| 512 | socket_server ss("./socket"); |
| 513 | |
| 514 | // bail out as soon as we get something |
| 515 | ss.fill_buffer(-1); |
| 516 | } catch(...) |
| 517 | { |
| 518 | std::cerr << "exception in child. ignoring\n"; |
| 519 | } |
| 520 | |
| 521 | // don't call atexit and stuff |
| 522 | _exit(0); |
| 523 | } |
| 524 | |
| 525 | default: |
| 526 | // parent |
| 527 | { |
| 528 | string data; |
| 529 | |
| 530 | // don't kill us on broken pipe |
| 531 | signal(SIGPIPE, SIG_IGN); |
| 532 | |
| 533 | // wait till server is up |
| 534 | sleep(1); |
| 535 | socket_client_connection sc("./socket"); |
| 536 | |
| 537 | string errormsg; |
| 538 | |
| 539 | string huge(5000000,'x'); |
| 540 | |
| 541 | try |
| 542 | { |
| 543 | sc.write(huge); |
| 544 | } |
| 545 | catch(t2n_transfer_error &e) |
| 546 | { errormsg=e.what(); } |
| 547 | catch(...) |
| 548 | { throw; } |
| 549 | |
| 550 | CPPUNIT_ASSERT_EQUAL(string("write() returned Broken pipe"),errormsg); |
| 551 | } |
| 552 | } |
| 553 | } |
| 554 | |
| 555 | void WriteTwice() |
| 556 | { |
| 557 | switch(child_pid=fork()) |
| 558 | { |
| 559 | case -1: |
| 560 | { |
| 561 | CPPUNIT_FAIL("fork error"); |
| 562 | break; |
| 563 | } |
| 564 | case 0: |
| 565 | // child |
| 566 | { |
| 567 | try |
| 568 | { |
| 569 | socket_server ss("./socket"); |
| 570 | |
| 571 | // bail out as soon as we get something |
| 572 | ss.fill_buffer(-1); |
| 573 | ss.fill_buffer(-1); |
| 574 | } catch(...) |
| 575 | { |
| 576 | std::cerr << "exception in child. ignoring\n"; |
| 577 | } |
| 578 | |
| 579 | // don't call atexit and stuff |
| 580 | _exit(0); |
| 581 | } |
| 582 | |
| 583 | default: |
| 584 | // parent |
| 585 | { |
| 586 | string data; |
| 587 | |
| 588 | // don't kill us on broken pipe |
| 589 | signal(SIGPIPE, SIG_IGN); |
| 590 | |
| 591 | // wait till server is up |
| 592 | sleep(1); |
| 593 | socket_client_connection sc("./socket"); |
| 594 | |
| 595 | string errormsg; |
| 596 | |
| 597 | sc.write("somedata"); |
| 598 | |
| 599 | sleep(1); |
| 600 | |
| 601 | // server should disconnect now |
| 602 | try |
| 603 | { |
| 604 | sc.write("other data"); |
| 605 | } |
| 606 | catch(t2n_transfer_error &e) |
| 607 | { errormsg=e.what(); } |
| 608 | catch(...) |
| 609 | { throw; } |
| 610 | |
| 611 | CPPUNIT_ASSERT_EQUAL(string("write() returned Broken pipe"),errormsg); |
| 612 | } |
| 613 | } |
| 614 | } |
| 615 | |
| 616 | void DisconnectOnRead() |
| 617 | { |
| 618 | pid_t pid2; |
| 619 | |
| 620 | switch(child_pid=fork()) |
| 621 | { |
| 622 | case -1: |
| 623 | { |
| 624 | CPPUNIT_FAIL("fork error"); |
| 625 | break; |
| 626 | } |
| 627 | case 0: |
| 628 | // child |
| 629 | { |
| 630 | try |
| 631 | { |
| 632 | // wait till server is up |
| 633 | sleep(1); |
| 634 | |
| 635 | socket_client_connection sc("./socket"); |
| 636 | |
| 637 | // this is an evil hack to get access to real_write, don't ever do this in an app!!! |
| 638 | real_write_client_connection *rwc=(real_write_client_connection*)≻ |
| 639 | rwc->real_write(string(10000,'x')); |
| 640 | } catch(...) |
| 641 | { |
| 642 | std::cerr << "exception in child. ignoring\n"; |
| 643 | } |
| 644 | |
| 645 | // don't call atexit and stuff |
| 646 | _exit(0); |
| 647 | } |
| 648 | |
| 649 | default: |
| 650 | // parent |
| 651 | { |
| 652 | // don't kill us on broken pipe |
| 653 | signal(SIGPIPE, SIG_IGN); |
| 654 | |
| 655 | socket_server ss("./socket"); |
| 656 | |
| 657 | time_t t0 = time(NULL); |
| 658 | |
| 659 | // max 5 sec |
| 660 | while (time(NULL) < t0 + 5 ) |
| 661 | { |
| 662 | ss.fill_buffer(1000000); |
| 663 | |
| 664 | string data; |
| 665 | ss.get_packet(data); |
| 666 | } |
| 667 | |
| 668 | // are we still alive and able to process data? |
| 669 | |
| 670 | switch(pid2=fork()) |
| 671 | { |
| 672 | case -1: |
| 673 | { |
| 674 | CPPUNIT_FAIL("fork error"); |
| 675 | break; |
| 676 | } |
| 677 | case 0: |
| 678 | // child |
| 679 | { |
| 680 | try |
| 681 | { |
| 682 | socket_client_connection *sc=new socket_client_connection("./socket"); |
| 683 | sc->write(string(10000,'x')); |
| 684 | // socket is closed regularly |
| 685 | delete sc; |
| 686 | } catch(...) |
| 687 | { |
| 688 | std::cerr << "exception in child. ignoring\n"; |
| 689 | } |
| 690 | |
| 691 | // don't run regular cleanup, otherwise cppunit stuff gets called |
| 692 | _exit(0); |
| 693 | } |
| 694 | |
| 695 | default: |
| 696 | // parent |
| 697 | { |
| 698 | string received; |
| 699 | |
| 700 | t0 = time(NULL); |
| 701 | |
| 702 | // max 10 sec |
| 703 | while (time(NULL) < t0 + 10 ) |
| 704 | { |
| 705 | ss.fill_buffer(1000000); |
| 706 | |
| 707 | if (ss.get_packet(received)) |
| 708 | break; |
| 709 | } |
| 710 | |
| 711 | CPPUNIT_ASSERT_EQUAL(string(10000,'x'),received); |
| 712 | } |
| 713 | } |
| 714 | } |
| 715 | } |
| 716 | kill(pid2,SIGKILL); |
| 717 | } |
| 718 | |
| 719 | void BreakAccept() |
| 720 | { |
| 721 | pid_t pid2; |
| 722 | |
| 723 | switch(child_pid=fork()) |
| 724 | { |
| 725 | case -1: |
| 726 | { |
| 727 | CPPUNIT_FAIL("fork error"); |
| 728 | break; |
| 729 | } |
| 730 | case 0: |
| 731 | // child |
| 732 | { |
| 733 | try |
| 734 | { |
| 735 | // wait till server is really up and waiting |
| 736 | sleep(2); |
| 737 | |
| 738 | // connect with very tight timeout and only 1 retry |
| 739 | socket_client_connection sc("./socket",50,1); |
| 740 | } catch(...) |
| 741 | { |
| 742 | std::cerr << "exception in child. ignoring\n"; |
| 743 | } |
| 744 | |
| 745 | // don't call atexit and stuff |
| 746 | _exit(0); |
| 747 | } |
| 748 | |
| 749 | default: |
| 750 | // parent |
| 751 | { |
| 752 | // don't kill us on broken pipe |
| 753 | signal(SIGPIPE, SIG_IGN); |
| 754 | |
| 755 | socket_server ss("./socket"); |
| 756 | |
| 757 | // server is "working" while client wants to connect |
| 758 | sleep(5); |
| 759 | |
| 760 | time_t t0 = time(NULL); |
| 761 | |
| 762 | // max 5 sec |
| 763 | while (time(NULL) < t0 + 5 ) |
| 764 | { |
| 765 | ss.fill_buffer(1000000); |
| 766 | |
| 767 | string data; |
| 768 | ss.get_packet(data); |
| 769 | } |
| 770 | |
| 771 | // are we still alive and able to process data? |
| 772 | |
| 773 | switch(pid2=fork()) |
| 774 | { |
| 775 | case -1: |
| 776 | { |
| 777 | CPPUNIT_FAIL("fork error"); |
| 778 | break; |
| 779 | } |
| 780 | case 0: |
| 781 | // child |
| 782 | { |
| 783 | try |
| 784 | { |
| 785 | socket_client_connection *sc=new socket_client_connection("./socket"); |
| 786 | sc->write(string(10000,'x')); |
| 787 | delete sc; |
| 788 | // socket is closed regularly |
| 789 | } catch(...) |
| 790 | { |
| 791 | std::cerr << "exception in child. ignoring\n"; |
| 792 | } |
| 793 | |
| 794 | // don't run regular cleanup, otherwise cppunit stuff gets called |
| 795 | _exit(0); |
| 796 | } |
| 797 | |
| 798 | default: |
| 799 | // parent |
| 800 | { |
| 801 | string received; |
| 802 | |
| 803 | t0 = time(NULL); |
| 804 | |
| 805 | // max 10 sec |
| 806 | while (time(NULL) < t0 + 10 ) |
| 807 | { |
| 808 | ss.fill_buffer(1000000); |
| 809 | |
| 810 | if (ss.get_packet(received)) |
| 811 | break; |
| 812 | } |
| 813 | |
| 814 | CPPUNIT_ASSERT_EQUAL(string(10000,'x'),received); |
| 815 | } |
| 816 | } |
| 817 | } |
| 818 | } |
| 819 | kill(pid2,SIGKILL); |
| 820 | } |
| 821 | }; |
| 822 | |
| 823 | CPPUNIT_TEST_SUITE_REGISTRATION(test_timeout); |