4 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
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.
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.
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
28 #include "filesystem.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"
40 #include <arpa/inet.h>
44 #include <netinet/in.h>
47 #include <sys/socket.h>
48 #include <sys/types.h>
55 #define AF_FILE AF_LOCAL
58 // The render client waits for connections from the server.
59 // Then it starts a thread for each connection.
60 RenderFarmClient::RenderFarmClient(int port,
65 char string[BCTEXTLEN];
68 this->deamon_path = deamon_path;
69 SigHandler *signals = new SigHandler;
70 signals->initialize("/tmp/cinelerra_farm%d.dmp");
73 (void)nice(nice_value);
76 MWindow::init_defaults(boot_defaults, config_path);
77 boot_preferences = new Preferences;
78 boot_preferences->load_defaults(boot_defaults);
79 MWindow::init_plugins(0, boot_preferences);
80 BC_Signals::set_catch_segv(boot_preferences->trap_sigsegv);
81 BC_Signals::set_catch_intr(0);
82 if( boot_preferences->trap_sigsegv ) {
83 BC_Trace::enable_locks();
86 BC_Trace::disable_locks();
89 strcpy(string, boot_preferences->plugin_dir);
90 strcat(string, "/" FONT_SEARCHPATH);
91 BC_Resources::init_fontconfig(string);
97 RenderFarmClient::~RenderFarmClient()
100 delete boot_preferences;
104 void RenderFarmClient::main_loop()
107 BC_WindowBase::get_resources()->vframe_shm = 1;
110 // Open listening port
114 struct sockaddr_in addr;
116 addr.sin_family = AF_INET;
117 addr.sin_port = htons((unsigned short)port);
118 addr.sin_addr.s_addr = htonl(INADDR_ANY);
120 if((socket_fd = socket(PF_INET, SOCK_STREAM, 0)) < 0)
122 perror(_("RenderFarmClient::main_loop: socket"));
128 if( setsockopt(socket_fd, SOL_SOCKET, SO_LINGER, &lgr, sizeof(lgr)) < 0 )
129 perror("RenderFarmClient::setsockopt:setlinger 0");
132 (struct sockaddr*)&addr,
136 _("RenderFarmClient::main_loop: bind port %d: %s"),
144 struct sockaddr_un addr;
145 addr.sun_family = AF_FILE;
146 strcpy(addr.sun_path, deamon_path);
147 int size = (offsetof(struct sockaddr_un, sun_path) +
148 strlen(deamon_path) + 1);
150 if((socket_fd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0)
152 perror(_("RenderFarmClient::main_loop: socket"));
158 if( setsockopt(socket_fd, SOL_SOCKET, SO_LINGER, &lgr, sizeof(lgr)) < 0 )
159 perror("RenderFarmClient::setsockopt:setlinger 1");
162 (struct sockaddr*)&addr,
166 _("RenderFarmClient::main_loop: bind path %s: %s\n"),
173 // Wait for connections
174 printf("RenderFarmClient::main_loop: client started\n");
177 if(listen(socket_fd, 256) < 0) {
178 perror(_("RenderFarmClient::main_loop: listen"));
186 struct sockaddr_in clientname;
187 socklen_t size = sizeof(clientname);
188 if( (new_socket_fd = accept(socket_fd,
189 (struct sockaddr*)&clientname, &size) ) < 0 ) {
190 perror(_("RenderFarmClient::main_loop: accept"));
193 printf("RenderFarmClient::main_loop: Session started from %s\n", inet_ntoa(clientname.sin_addr));
194 RenderFarmClientThread *thread =
195 new RenderFarmClientThread(this);
196 thread->main_loop(new_socket_fd);
200 struct sockaddr_un clientname;
201 socklen_t size = sizeof(clientname);
202 if( (new_socket_fd = accept(socket_fd,
203 (struct sockaddr*)&clientname, &size)) < 0 ) {
204 perror(_("RenderFarmClient::main_loop: accept"));
207 printf("RenderFarmClient::main_loop: Session started from %s\n", clientname.sun_path);
208 RenderFarmClientThread *thread =
209 new RenderFarmClientThread(this);
210 thread->main_loop(new_socket_fd);
215 void RenderFarmClient::kill_client()
217 printf("RenderFarmClient::kill_client 1\n");
220 printf("RenderFarmClient::kill_client 2\n");
222 kill(this_pid, SIGKILL);
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)
234 this->client = client;
236 frames_per_second = 0;
237 Thread::set_synchronous(0);
239 mutex_lock = new Mutex("RenderFarmClientThread::mutex_lock");
244 RenderFarmClientThread::~RenderFarmClientThread()
246 // if(fs_client) delete fs_client;
253 int RenderFarmClientThread::send_request_header(int request,
256 unsigned char datagram[5];
257 datagram[0] = request;
261 // printf("RenderFarmClientThread::send_request_header %d %02x%02x%02x%02x%02x\n",
262 // request, datagram[0], datagram[1], datagram[2], datagram[3], datagram[4]);
264 return (write_socket((char*)datagram, 5) != 5);
267 int RenderFarmClientThread::write_socket(char *data, int len)
269 //printf("RenderFarmClientThread::write_socket 1\n");
270 int result = write(socket_fd, data, len);
271 //printf("RenderFarmClientThread::write_socket 10\n");
275 int RenderFarmClientThread::read_socket(char *data, int len)
279 //printf("RenderFarmClientThread::read_socket 1\n");
281 watchdog->begin_request();
282 while(len > 0 && bytes_read >= 0)
284 bytes_read = read(socket_fd, data + offset, len);
288 offset += bytes_read;
297 watchdog->end_request();
298 //printf("RenderFarmClientThread::read_socket 10\n");
303 int RenderFarmClientThread::write_int64(int64_t value)
305 unsigned char data[sizeof(int64_t)];
306 data[0] = (value >> 56) & 0xff;
307 data[1] = (value >> 48) & 0xff;
308 data[2] = (value >> 40) & 0xff;
309 data[3] = (value >> 32) & 0xff;
310 data[4] = (value >> 24) & 0xff;
311 data[5] = (value >> 16) & 0xff;
312 data[6] = (value >> 8) & 0xff;
313 data[7] = value & 0xff;
314 return (write_socket((char*)data, sizeof(int64_t)) != sizeof(int64_t));
317 int64_t RenderFarmClientThread::read_int64(int *error)
320 if(!error) error = &temp;
322 unsigned char data[sizeof(int64_t)];
323 *error = (read_socket((char*)data, sizeof(int64_t)) != sizeof(int64_t));
325 // Make it return 1 if error so it can be used to read a result code from the
330 result = (((int64_t)data[0]) << 56) |
331 (((uint64_t)data[1]) << 48) |
332 (((uint64_t)data[2]) << 40) |
333 (((uint64_t)data[3]) << 32) |
334 (((uint64_t)data[4]) << 24) |
335 (((uint64_t)data[5]) << 16) |
336 (((uint64_t)data[6]) << 8) |
342 void RenderFarmClientThread::read_string(char* &string)
344 unsigned char header[4];
345 if(read_socket((char*)header, 4) != 4)
351 int64_t len = (((u_int32_t)header[0]) << 24) |
352 (((u_int32_t)header[1]) << 16) |
353 (((u_int32_t)header[2]) << 8) |
354 ((u_int32_t)header[3]);
358 string = new char[len];
359 if(read_socket(string, len) != len)
370 void RenderFarmClientThread::abort()
372 send_completion(socket_fd);
377 void RenderFarmClientThread::lock(const char *location)
379 mutex_lock->lock(location);
382 void RenderFarmClientThread::unlock()
384 mutex_lock->unlock();
387 void RenderFarmClientThread::get_command(int socket_fd, int *command)
390 *command = read_int64(&error);
399 void RenderFarmClientThread::read_preferences(int socket_fd,
400 Preferences *preferences)
402 lock("RenderFarmClientThread::read_preferences");
403 send_request_header(RENDERFARM_PREFERENCES,
410 defaults.load_string((char*)string);
411 preferences->load_defaults(&defaults);
419 void RenderFarmClientThread::read_asset(int socket_fd, Asset *asset)
421 lock("RenderFarmClientThread::read_asset");
422 send_request_header(RENDERFARM_ASSET,
427 read_string(string1);
428 read_string(string2);
433 file.read_from_string((char*)string2);
439 defaults.load_string((char*)string1);
440 asset->load_defaults(&defaults, 0, 1, 1, 1, 1, 1);
442 //printf("RenderFarmClientThread::read_asset %d\n", __LINE__);
450 void RenderFarmClientThread::read_edl(int socket_fd,
451 EDL *edl, Preferences *preferences)
453 lock("RenderFarmClientThread::read_edl");
454 send_request_header(RENDERFARM_EDL, 0);
460 file.read_from_string((char*)string);
463 edl->load_xml(&file, LOAD_ALL);
467 int RenderFarmClientThread::read_package(int socket_fd, RenderPackage *package)
469 lock("RenderFarmClientThread::read_package");
470 send_request_header(RENDERFARM_PACKAGE,
473 unsigned char datagram[5];
477 // Fails if -ieee isn't set.
478 int64_t fixed = !EQUIV(frames_per_second, 0.0) ?
479 (int64_t)(frames_per_second * 65536.0) : 0;
481 write_socket((char*)datagram, 4);
484 //printf("RenderFarmClientThread::read_package 1 %f %ld\n", frames_per_second, fixed);
486 unsigned char *data_ptr;
488 //printf("RenderFarmClientThread::read_package 2 %p\n", data);
489 // Signifies end of session.
492 // printf(_("RenderFarmClientThread::read_package no output path received.\n"));
497 //printf("RenderFarmClientThread::read_package 2\n");
500 data_ptr = (unsigned char*)data;
501 strcpy(package->path, data);
502 data_ptr += strlen(package->path);
504 package->audio_start = READ_INT32(data_ptr);
506 package->audio_end = READ_INT32(data_ptr);
508 package->video_start = READ_INT32(data_ptr);
510 package->video_end = READ_INT32(data_ptr);
512 package->use_brender = READ_INT32(data_ptr);
514 package->audio_do = READ_INT32(data_ptr);
516 package->video_do = READ_INT32(data_ptr);
524 int RenderFarmClientThread::send_completion(int socket_fd)
526 lock("RenderFarmClientThread::send_completion");
527 int result = send_request_header(RENDERFARM_DONE, 0);
533 void RenderFarmClientThread::ping_server()
535 lock("RenderFarmClientThread::ping_server");
536 send_request_header(RENDERFARM_KEEPALIVE, 0);
542 void RenderFarmClientThread::main_loop(int socket_fd)
544 this->socket_fd = socket_fd;
549 void RenderFarmClientThread::run()
551 // Create new memory space
556 waitpid(pid, &return_value, 0);
560 // Get the pid of the fork if inside the fork
562 BC_Signals::set_trap_hook(trap_hook, this);
565 int socket_fd = this->socket_fd;
566 int watchdog_timeout = client->boot_preferences->renderfarm_watchdog_timeout;
567 if( watchdog_timeout > 0 )
568 init_client_keepalive(watchdog_timeout);
570 // Get command to run
572 lock("RenderFarmClientThread::run");
573 get_command(socket_fd, &command);
576 //printf("RenderFarmClientThread::run command=%d\n", command);
580 case RENDERFARM_TUNER:
583 case RENDERFARM_PACKAGES:
584 do_packages(socket_fd);
592 void RenderFarmClientThread::init_client_keepalive(int timeout_secs)
594 keep_alive = new RenderFarmKeepalive(this);
596 watchdog = new RenderFarmWatchdog(timeout_secs, 0, this);
602 void RenderFarmClientThread::do_tuner(int socket_fd)
604 // Currently only 1 tuner driver. Maybe more someday.
605 // DVBTune server(this);
606 // server.main_loop();
607 // ::close(socket_fd);
611 void RenderFarmClientThread::do_packages(int socket_fd)
613 RenderPackage *package;
614 Asset *default_asset;
615 Preferences *preferences;
619 FarmPackageRenderer package_renderer(this, socket_fd);
624 //printf("RenderFarmClientThread::run 2\n");
626 preferences = new Preferences;
627 default_asset = new Asset;
628 package = new RenderPackage;
630 edl->create_objects();
632 //printf("RenderFarmClientThread::run 3\n");
633 read_preferences(socket_fd, preferences);
634 //printf("RenderFarmClientThread::run 4\n");
635 read_asset(socket_fd, default_asset);
636 //printf("RenderFarmClientThread::run 5\n");
637 read_edl(socket_fd, edl, preferences);
639 //printf("RenderFarmClientThread::run 6\n");
641 package_renderer.initialize(0, edl, preferences, default_asset);
646 //printf("RenderFarmClientThread::run 5\n");
647 result = read_package(socket_fd, package);
648 //printf("RenderFarmClientThread::run 6 %d\n", result);
654 //printf("RenderFarmClientThread::run 7\n");
656 result = send_completion(socket_fd);
664 if(package_renderer.render_package(package))
666 //printf("RenderFarmClientThread::run 8\n");
667 result = send_completion(socket_fd);
672 frames_per_second = package_renderer.frames_per_second;
673 // frames_per_second = (double)(package->video_end - package->video_start) /
674 // ((double)timer.get_difference() / 1000);
676 //printf("RenderFarmClientThread::run 9\n");
683 //printf("RenderFarmClientThread::run 9\n");
684 default_asset->Garbage::remove_user();
685 //printf("RenderFarmClientThread::run 10\n");
686 edl->Garbage::remove_user();
688 //printf("RenderFarmClientThread::run 11\n");
690 printf(_("RenderFarmClientThread::run: Session finished.\n"));
693 void RenderFarmClientThread::trap_hook(FILE *fp, void *vp)
695 RenderFarmClientThread *thread = (RenderFarmClientThread*)vp;
696 fprintf(fp, "\nEDL:\n");
697 if( thread->edl ) thread->edl->dump(fp);
702 RenderFarmKeepalive::RenderFarmKeepalive(
703 RenderFarmClientThread *client_thread)
706 this->client_thread = client_thread;
710 RenderFarmKeepalive::~RenderFarmKeepalive()
717 void RenderFarmKeepalive::run()
725 //printf("RenderFarmKeepalive::run 1\n");
726 // watchdog thread kills this if it gets stuck
727 client_thread->ping_server();
728 //printf("RenderFarmKeepalive::run 10\n");
734 FarmPackageRenderer::FarmPackageRenderer(RenderFarmClientThread *thread,
738 this->thread = thread;
739 this->socket_fd = socket_fd;
743 FarmPackageRenderer::~FarmPackageRenderer()
748 int FarmPackageRenderer::get_result()
750 thread->lock("FarmPackageRenderer::get_result");
751 thread->send_request_header(RENDERFARM_GET_RESULT,
753 unsigned char data[1];
755 if(thread->read_socket((char*)data, 1) != 1)
764 void FarmPackageRenderer::set_result(int value)
766 thread->lock("FarmPackageRenderer::set_result");
767 thread->send_request_header(RENDERFARM_SET_RESULT,
769 unsigned char data[1];
771 thread->write_socket((char*)data, 1);
775 void FarmPackageRenderer::set_progress(int64_t total_samples)
777 thread->lock("FarmPackageRenderer::set_progress");
778 thread->send_request_header(RENDERFARM_PROGRESS,
780 unsigned char datagram[8];
782 STORE_INT32(total_samples);
785 int64_t fixed = (!EQUIV(frames_per_second, 0.0)) ?
786 (int64_t)(frames_per_second * 65536.0) : 0;
790 thread->write_socket((char*)datagram, 8);
794 int FarmPackageRenderer::set_video_map(int64_t position, int value)
797 unsigned char datagram[8];
798 char return_value[1];
801 thread->lock("FarmPackageRenderer::set_video_map");
802 thread->send_request_header(RENDERFARM_SET_VMAP,
804 STORE_INT32(position);
806 thread->write_socket((char*)datagram, 8);
808 // Get completion since the GUI may be locked for a long time.
809 if(!thread->read_socket(return_value, 1))