cinelerra-5.0/cinelerra/renderfarmclient.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "asset.h"
  23 #include "assets.h"
  24 #include "clip.h"
  25 #include "bchash.h"
  26 #include "dvbtune.h"
  27 #include "edl.h"
  28 #include "filesystem.h"
  29 #include "filexml.h"
  30 #include "language.h"
  31 #include "mutex.h"
  32 #include "mwindow.h"
  33 #include "pluginserver.h"
  34 #include "preferences.h"
  35 #include "renderfarm.h"
  36 #include "renderfarmclient.h"
  37 //#include "renderfarmfsclient.h"
  38 #include "sighandler.h"
  39
  40 #include <arpa/inet.h>
  41 #include <errno.h>
  42 #include <fcntl.h>
  43 #include <netdb.h>
  44 #include <netinet/in.h>
  45 #include <stdio.h>
  46 #include <string.h>
  47 #include <sys/socket.h>
  48 #include <sys/types.h>
  49 #include <sys/un.h>
  50 #include <sys/wait.h>
  51 #include <unistd.h>
  52
  53
  54
  55
  56 // The render client waits for connections from the server.
  57 // Then it starts a thread for each connection.
  58 RenderFarmClient::RenderFarmClient(int port,
  59         char *deamon_path,
  60         int nice_value,
  61         char *config_path)
  62 {
  63         this->port = port;
  64         this->deamon_path = deamon_path;
  65         SigHandler *signals = new SigHandler;
  66         signals->initialize();
  67
  68         this_pid = getpid();
  69         (void)nice(nice_value);
  70
  71
  72         MWindow::init_defaults(boot_defaults, config_path);
  73         boot_preferences = new Preferences;
  74         boot_preferences->load_defaults(boot_defaults);
  75         MWindow::init_plugins(0, boot_preferences);
  76         MWindow::init_fileserver(boot_preferences);
  77 }
  78
  79
  80
  81
  82 RenderFarmClient::~RenderFarmClient()
  83 {
  84 //      delete thread;
  85         delete boot_defaults;
  86         delete boot_preferences;
  87         plugindb->remove_all_objects();
  88         delete plugindb;
  89 }
  90
  91
  92 void RenderFarmClient::main_loop()
  93 {
  94         int socket_fd;
  95         BC_WindowBase::get_resources()->vframe_shm = 1;
  96
  97
  98 // Open listening port
  99
 100         if(!deamon_path)
 101         {
 102                 struct sockaddr_in addr;
 103
 104                 addr.sin_family = AF_INET;
 105                 addr.sin_port = htons((unsigned short)port);
 106                 addr.sin_addr.s_addr = htonl(INADDR_ANY);
 107
 108                 if((socket_fd = socket(PF_INET, SOCK_STREAM, 0)) < 0)
 109                 {
 110                         perror(_("RenderFarmClient::main_loop: socket"));
 111                         return;
 112                 }
 113
 114                 if(bind(socket_fd,
 115                         (struct sockaddr*)&addr,
 116                         sizeof(addr)) < 0)
 117                 {
 118                         fprintf(stderr,
 119                                 _("RenderFarmClient::main_loop: bind port %d: %s"),
 120                                 port,
 121                                 strerror(errno));
 122                         return;
 123                 }
 124         }
 125         else
 126         {
 127                 struct sockaddr_un addr;
 128                 addr.sun_family = AF_FILE;
 129                 strcpy(addr.sun_path, deamon_path);
 130                 int size = (offsetof(struct sockaddr_un, sun_path) +
 131                         strlen(deamon_path) + 1);
 132
 133                 if((socket_fd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0)
 134                 {
 135                         perror(_("RenderFarmClient::main_loop: socket"));
 136                         return;
 137                 }
 138
 139                 if(bind(socket_fd,
 140                         (struct sockaddr*)&addr,
 141                         size) < 0)
 142                 {
 143                         fprintf(stderr,
 144                                 _("RenderFarmClient::main_loop: bind path %s: %s\n"),
 145                                 deamon_path,
 146                                 strerror(errno));
 147                         return;
 148                 }
 149         }
 150
 151 // Wait for connections
 152         printf("RenderFarmClient::main_loop: client started\n");
 153         while(1)
 154         {
 155                 if(listen(socket_fd, 256) < 0)
 156         {
 157                 perror(_("RenderFarmClient::main_loop: listen"));
 158                 return;
 159         }
 160
 161                 int new_socket_fd;
 162
 163
 164
 165                 if(!deamon_path)
 166                 {
 167                         struct sockaddr_in clientname;
 168                         socklen_t size = sizeof(clientname);
 169                 if((new_socket_fd = accept(socket_fd,
 170                                 (struct sockaddr*)&clientname,
 171                                                 &size)) < 0)
 172                 {
 173                         perror(_("RenderFarmClient::main_loop: accept"));
 174                         return;
 175                 }
 176                         else
 177                         {
 178 printf("RenderFarmClient::main_loop: Session started from %s\n", inet_ntoa(clientname.sin_addr));
 179                                 RenderFarmClientThread *thread =
 180                                         new RenderFarmClientThread(this);
 181                                 thread->main_loop(new_socket_fd);
 182                         }
 183                 }
 184                 else
 185                 {
 186                         struct sockaddr_un clientname;
 187                         socklen_t size = sizeof(clientname);
 188                 if((new_socket_fd = accept(socket_fd,
 189                                 (struct sockaddr*)&clientname,
 190                                                 &size)) < 0)
 191                 {
 192                         perror(_("RenderFarmClient::main_loop: accept"));
 193                         return;
 194                 }
 195                         else
 196                         {
 197 printf("RenderFarmClient::main_loop: Session started from %s\n", clientname.sun_path);
 198                                 RenderFarmClientThread *thread =
 199                                         new RenderFarmClientThread(this);
 200                                 thread->main_loop(new_socket_fd);
 201                         }
 202                 }
 203         }
 204 }
 205
 206 void RenderFarmClient::kill_client()
 207 {
 208 printf("RenderFarmClient::kill_client 1\n");
 209         if(deamon_path)
 210         {
 211 printf("RenderFarmClient::kill_client 2\n");
 212                 remove(deamon_path);
 213                 kill(this_pid, SIGKILL);
 214         }
 215 }
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227 // The thread requests jobs from the server until the job table is empty
 228 // or the server reports an error.  This thread must poll the server
 229 // after every frame for the error status.
 230 // Detaches when finished.
 231 RenderFarmClientThread::RenderFarmClientThread(RenderFarmClient *client)
 232  : Thread(0, 0, 1)
 233 {
 234         this->client = client;
 235         frames_per_second = 0;
 236         Thread::set_synchronous(0);
 237 //      fs_client = 0;
 238         mutex_lock = new Mutex("RenderFarmClientThread::mutex_lock");
 239         watchdog = 0;
 240         keep_alive = 0;
 241 }
 242
 243 RenderFarmClientThread::~RenderFarmClientThread()
 244 {
 245 //      if(fs_client) delete fs_client;
 246         delete mutex_lock;
 247         delete watchdog;
 248         delete keep_alive;
 249 }
 250
 251
 252 int RenderFarmClientThread::send_request_header(int request,
 253         int len)
 254 {
 255         unsigned char datagram[5];
 256         datagram[0] = request;
 257
 258         int i = 1;
 259         STORE_INT32(len);
 260 // printf("RenderFarmClientThread::send_request_header %d %02x%02x%02x%02x%02x\n",
 261 // request, datagram[0], datagram[1], datagram[2], datagram[3], datagram[4]);
 262
 263         return (write_socket((char*)datagram, 5) != 5);
 264 }
 265
 266 int RenderFarmClientThread::write_socket(char *data, int len)
 267 {
 268 //printf("RenderFarmClientThread::write_socket 1\n");
 269         int result = write(socket_fd, data, len);
 270 //printf("RenderFarmClientThread::write_socket 10\n");
 271         return result;
 272 }
 273
 274 int RenderFarmClientThread::read_socket(char *data, int len)
 275 {
 276         int bytes_read = 0;
 277         int offset = 0;
 278 //printf("RenderFarmClientThread::read_socket 1\n");
 279         watchdog->begin_request();
 280         while(len > 0 && bytes_read >= 0)
 281         {
 282                 bytes_read = read(socket_fd, data + offset, len);
 283                 if(bytes_read > 0)
 284                 {
 285                         len -= bytes_read;
 286                         offset += bytes_read;
 287                 }
 288                 else
 289                 if(bytes_read < 0)
 290                 {
 291                         break;
 292                 }
 293         }
 294         watchdog->end_request();
 295 //printf("RenderFarmClientThread::read_socket 10\n");
 296
 297         return offset;
 298 }
 299
 300 int RenderFarmClientThread::write_int64(int64_t value)
 301 {
 302         unsigned char data[sizeof(int64_t)];
 303         data[0] = (value >> 56) & 0xff;
 304         data[1] = (value >> 48) & 0xff;
 305         data[2] = (value >> 40) & 0xff;
 306         data[3] = (value >> 32) & 0xff;
 307         data[4] = (value >> 24) & 0xff;
 308         data[5] = (value >> 16) & 0xff;
 309         data[6] = (value >> 8) & 0xff;
 310         data[7] = value & 0xff;
 311         return (write_socket((char*)data, sizeof(int64_t)) != sizeof(int64_t));
 312 }
 313
 314 int64_t RenderFarmClientThread::read_int64(int *error)
 315 {
 316         int temp = 0;
 317         if(!error) error = &temp;
 318
 319         unsigned char data[sizeof(int64_t)];
 320         *error = (read_socket((char*)data, sizeof(int64_t)) != sizeof(int64_t));
 321
 322 // Make it return 1 if error so it can be used to read a result code from the
 323 // server.
 324         int64_t result = 1;
 325         if(!*error)
 326         {
 327                 result = (((int64_t)data[0]) << 56) |
 328                         (((uint64_t)data[1]) << 48) |
 329                         (((uint64_t)data[2]) << 40) |
 330                         (((uint64_t)data[3]) << 32) |
 331                         (((uint64_t)data[4]) << 24) |
 332                         (((uint64_t)data[5]) << 16) |
 333                         (((uint64_t)data[6]) << 8)  |
 334                         data[7];
 335         }
 336         return result;
 337 }
 338
 339 void RenderFarmClientThread::read_string(char* &string)
 340 {
 341         unsigned char header[4];
 342         if(read_socket((char*)header, 4) != 4)
 343         {
 344                 string = 0;
 345                 return;
 346         }
 347
 348         int64_t len = (((u_int32_t)header[0]) << 24) |
 349                                 (((u_int32_t)header[1]) << 16) |
 350                                 (((u_int32_t)header[2]) << 8) |
 351                                 ((u_int32_t)header[3]);
 352
 353         if(len)
 354         {
 355                 string = new char[len];
 356                 if(read_socket(string, len) != len)
 357                 {
 358                         delete [] string;
 359                         string = 0;
 360                 }
 361         }
 362         else
 363                 string = 0;
 364
 365 }
 366
 367 void RenderFarmClientThread::abort()
 368 {
 369         send_completion(socket_fd);
 370         close(socket_fd);
 371         exit(1);
 372 }
 373
 374 void RenderFarmClientThread::lock(const char *location)
 375 {
 376         mutex_lock->lock(location);
 377 }
 378
 379 void RenderFarmClientThread::unlock()
 380 {
 381         mutex_lock->unlock();
 382 }
 383
 384 void RenderFarmClientThread::get_command(int socket_fd, int *command)
 385 {
 386         int error;
 387         *command = read_int64(&error);
 388         if(error)
 389         {
 390                 *command = 0;
 391                 return;
 392         }
 393 }
 394
 395
 396 void RenderFarmClientThread::read_preferences(int socket_fd,
 397         Preferences *preferences)
 398 {
 399         lock("RenderFarmClientThread::read_preferences");
 400         send_request_header(RENDERFARM_PREFERENCES,
 401                 0);
 402
 403         char *string;
 404         read_string(string);
 405
 406         BC_Hash defaults;
 407         defaults.load_string((char*)string);
 408         preferences->load_defaults(&defaults);
 409
 410         delete [] string;
 411         unlock();
 412 }
 413
 414
 415
 416 void RenderFarmClientThread::read_asset(int socket_fd, Asset *asset)
 417 {
 418         lock("RenderFarmClientThread::read_asset");
 419         send_request_header(RENDERFARM_ASSET,
 420                 0);
 421
 422         char *string1;
 423         char *string2;
 424         read_string(string1);
 425         read_string(string2);
 426
 427
 428
 429         FileXML file;
 430         file.read_from_string((char*)string2);
 431         asset->read(&file);
 432
 433
 434
 435         BC_Hash defaults;
 436         defaults.load_string((char*)string1);
 437         asset->load_defaults(&defaults,
 438                 0,
 439                 1,
 440                 1,
 441                 1,
 442                 1,
 443                 1);
 444
 445 //printf("RenderFarmClientThread::read_asset %d\n", __LINE__);
 446 //asset->dump();
 447
 448         delete [] string1;
 449         delete [] string2;
 450         unlock();
 451 }
 452
 453 void RenderFarmClientThread::read_edl(int socket_fd,
 454         EDL *edl,
 455         Preferences *preferences)
 456 {
 457         lock("RenderFarmClientThread::read_edl");
 458         send_request_header(RENDERFARM_EDL,
 459                 0);
 460
 461         char *string;
 462         read_string(string);
 463
 464
 465         FileXML file;
 466         file.read_from_string((char*)string);
 467         delete [] string;
 468
 469
 470
 471
 472
 473
 474
 475
 476         edl->load_xml(&file,
 477                 LOAD_ALL);
 478
 479
 480         unlock();
 481 }
 482
 483 int RenderFarmClientThread::read_package(int socket_fd, RenderPackage *package)
 484 {
 485         lock("RenderFarmClientThread::read_package");
 486         send_request_header(RENDERFARM_PACKAGE,
 487                 4);
 488
 489         unsigned char datagram[5];
 490         int i = 0;
 491
 492
 493 // Fails if -ieee isn't set.
 494         int64_t fixed = !EQUIV(frames_per_second, 0.0) ?
 495                 (int64_t)(frames_per_second * 65536.0) : 0;
 496         STORE_INT32(fixed);
 497         write_socket((char*)datagram, 4);
 498
 499
 500 //printf("RenderFarmClientThread::read_package 1 %f %ld\n", frames_per_second, fixed);
 501         char *data;
 502         unsigned char *data_ptr;
 503         read_string(data);
 504 //printf("RenderFarmClientThread::read_package 2 %p\n", data);
 505 // Signifies end of session.
 506         if(!data)
 507         {
 508 //              printf(_("RenderFarmClientThread::read_package no output path recieved.\n"));
 509                 unlock();
 510                 return 1;
 511         }
 512
 513 //printf("RenderFarmClientThread::read_package 2\n");
 514
 515
 516         data_ptr = (unsigned char*)data;
 517         strcpy(package->path, data);
 518         data_ptr += strlen(package->path);
 519         data_ptr++;
 520         package->audio_start = READ_INT32(data_ptr);
 521         data_ptr += 4;
 522         package->audio_end = READ_INT32(data_ptr);
 523         data_ptr += 4;
 524         package->video_start = READ_INT32(data_ptr);
 525         data_ptr += 4;
 526         package->video_end = READ_INT32(data_ptr);
 527         data_ptr += 4;
 528         package->use_brender = READ_INT32(data_ptr);
 529
 530         delete [] data;
 531         unlock();
 532
 533         return 0;
 534 }
 535
 536 int RenderFarmClientThread::send_completion(int socket_fd)
 537 {
 538         lock("RenderFarmClientThread::send_completion");
 539         int result = send_request_header(RENDERFARM_DONE, 0);
 540         unlock();
 541         return result;
 542 }
 543
 544
 545 void RenderFarmClientThread::ping_server()
 546 {
 547         lock("RenderFarmClientThread::ping_server");
 548         send_request_header(RENDERFARM_KEEPALIVE, 0);
 549         unlock();
 550 }
 551
 552
 553
 554 void RenderFarmClientThread::main_loop(int socket_fd)
 555 {
 556         this->socket_fd = socket_fd;
 557
 558         Thread::start();
 559 }
 560
 561 void RenderFarmClientThread::run()
 562 {
 563 // Create new memory space
 564         pid = fork();
 565         if(pid != 0)
 566         {
 567                 int return_value;
 568                 waitpid(pid, &return_value, 0);
 569                 return;
 570         }
 571
 572 // Get the pid of the fork if inside the fork
 573         pid = getpid();
 574
 575
 576
 577         int socket_fd = this->socket_fd;
 578
 579         init_client_keepalive();
 580
 581 // Get command to run
 582         int command;
 583         lock("RenderFarmClientThread::run");
 584         get_command(socket_fd, &command);
 585         unlock();
 586
 587 //printf("RenderFarmClientThread::run command=%d\n", command);
 588
 589         switch(command)
 590         {
 591                 case RENDERFARM_TUNER:
 592                         do_tuner(socket_fd);
 593                         break;
 594                 case RENDERFARM_PACKAGES:
 595                         do_packages(socket_fd);
 596                         break;
 597         }
 598
 599         _exit(0);
 600 }
 601
 602
 603 void RenderFarmClientThread::init_client_keepalive()
 604 {
 605         keep_alive = new RenderFarmKeepalive(this);
 606         keep_alive->start();
 607         watchdog = new RenderFarmWatchdog(0, this);
 608         watchdog->start();
 609 }
 610
 611
 612
 613 void RenderFarmClientThread::do_tuner(int socket_fd)
 614 {
 615 // Currently only 1 tuner driver.  Maybe more someday.
 616         DVBTune server(this);
 617         server.main_loop();
 618         ::close(socket_fd);
 619 }
 620
 621
 622 void RenderFarmClientThread::do_packages(int socket_fd)
 623 {
 624
 625         EDL *edl;
 626         RenderPackage *package;
 627         Asset *default_asset;
 628         Preferences *preferences;
 629
 630
 631
 632         FarmPackageRenderer package_renderer(this, socket_fd);
 633         int result = 0;
 634
 635
 636
 637 //printf("RenderFarmClientThread::run 2\n");
 638 // Read settings
 639         preferences = new Preferences;
 640         default_asset = new Asset;
 641         package = new RenderPackage;
 642         edl = new EDL;
 643         edl->create_objects();
 644
 645
 646
 647
 648
 649
 650 //printf("RenderFarmClientThread::run 3\n");
 651         read_preferences(socket_fd, preferences);
 652 //printf("RenderFarmClientThread::run 4\n");
 653         read_asset(socket_fd, default_asset);
 654 //printf("RenderFarmClientThread::run 5\n");
 655         read_edl(socket_fd, edl, preferences);
 656 //edl->dump();
 657 //printf("RenderFarmClientThread::run 6\n");
 658
 659
 660
 661
 662
 663
 664
 665
 666         package_renderer.initialize(0,
 667                         edl,
 668                         preferences,
 669                         default_asset);
 670
 671 // Read packages
 672         while(1)
 673         {
 674 //printf("RenderFarmClientThread::run 5\n");
 675                 result = read_package(socket_fd, package);
 676 //printf("RenderFarmClientThread::run 6 %d\n", result);
 677
 678
 679 // Finished list
 680                 if(result)
 681                 {
 682 //printf("RenderFarmClientThread::run 7\n");
 683
 684                         result = send_completion(socket_fd);
 685                         break;
 686                 }
 687
 688 //              Timer timer;
 689 //              timer.update();
 690
 691 // Error
 692                 if(package_renderer.render_package(package))
 693                 {
 694 //printf("RenderFarmClientThread::run 8\n");
 695                         result = send_completion(socket_fd);
 696                         break;
 697                 }
 698
 699
 700                 frames_per_second = package_renderer.frames_per_second;
 701 //              frames_per_second = (double)(package->video_end - package->video_start) /
 702 //                      ((double)timer.get_difference() / 1000);
 703
 704 //printf("RenderFarmClientThread::run 9\n");
 705
 706
 707
 708         }
 709
 710
 711 //printf("RenderFarmClientThread::run 9\n");
 712         default_asset->Garbage::remove_user();
 713 //printf("RenderFarmClientThread::run 10\n");
 714         edl->Garbage::remove_user();
 715 //printf("RenderFarmClientThread::run 11\n");
 716         delete preferences;
 717 printf(_("RenderFarmClientThread::run: Session finished.\n"));
 718 }
 719
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 726
 727
 728 RenderFarmKeepalive::RenderFarmKeepalive(
 729         RenderFarmClientThread *client_thread)
 730  : Thread(1, 0, 0)
 731 {
 732         this->client_thread = client_thread;
 733         done = 0;
 734 }
 735
 736 RenderFarmKeepalive::~RenderFarmKeepalive()
 737 {
 738         done = 1;
 739         cancel();
 740         join();
 741 }
 742
 743 void RenderFarmKeepalive::run()
 744 {
 745         while(!done)
 746         {
 747                 enable_cancel();
 748                 sleep(5);
 749                 disable_cancel();
 750                 if(!done)
 751                 {
 752 //printf("RenderFarmKeepalive::run 1\n");
 753 // watchdog thread kills this if it gets stuck
 754                         client_thread->ping_server();
 755 //printf("RenderFarmKeepalive::run 10\n");
 756                 }
 757         }
 758 }
 759
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 772
 773
 774 FarmPackageRenderer::FarmPackageRenderer(RenderFarmClientThread *thread,
 775                 int socket_fd)
 776  : PackageRenderer()
 777 {
 778         this->thread = thread;
 779         this->socket_fd = socket_fd;
 780 }
 781
 782
 783
 784 FarmPackageRenderer::~FarmPackageRenderer()
 785 {
 786 }
 787
 788
 789 int FarmPackageRenderer::get_result()
 790 {
 791         thread->lock("FarmPackageRenderer::get_result");
 792         thread->send_request_header(RENDERFARM_GET_RESULT,
 793                 0);
 794         unsigned char data[1];
 795         data[0] = 1;
 796         if(thread->read_socket((char*)data, 1) != 1)
 797         {
 798                 thread->unlock();
 799                 return 1;
 800         }
 801         thread->unlock();
 802         return data[0];
 803 }
 804
 805 void FarmPackageRenderer::set_result(int value)
 806 {
 807         thread->lock("FarmPackageRenderer::set_result");
 808         thread->send_request_header(RENDERFARM_SET_RESULT,
 809                 1);
 810         unsigned char data[1];
 811         data[0] = value;
 812         thread->write_socket((char*)data, 1);
 813         thread->unlock();
 814 }
 815
 816 void FarmPackageRenderer::set_progress(int64_t total_samples)
 817 {
 818         thread->lock("FarmPackageRenderer::set_progress");
 819         thread->send_request_header(RENDERFARM_PROGRESS,
 820                 8);
 821         unsigned char datagram[8];
 822         int i = 0;
 823         STORE_INT32(total_samples);
 824
 825
 826         int64_t fixed = (!EQUIV(frames_per_second, 0.0)) ?
 827                 (int64_t)(frames_per_second * 65536.0) : 0;
 828         STORE_INT32(fixed);
 829
 830
 831         thread->write_socket((char*)datagram, 8);
 832         thread->unlock();
 833 }
 834
 835 int FarmPackageRenderer::set_video_map(int64_t position, int value)
 836 {
 837         int result = 0;
 838         unsigned char datagram[8];
 839         char return_value[1];
 840         int i = 0;
 841
 842         thread->lock("FarmPackageRenderer::set_video_map");
 843         thread->send_request_header(RENDERFARM_SET_VMAP,
 844                 8);
 845         STORE_INT32(position);
 846         STORE_INT32(value);
 847         thread->write_socket((char*)datagram, 8);
 848
 849 // Get completion since the GUI may be locked for a long time.
 850         if(!thread->read_socket(return_value, 1))
 851         {
 852                 result = 1;
 853         }
 854
 855         thread->unlock();
 856         return result;
 857 }
 858
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