bindings/cxx/classes.cpp

   1 /*
   2  * This file is part of the libsigrok project.
   3  *
   4  * Copyright (C) 2013-2014 Martin Ling <martin-sigrok@earth.li>
   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 3 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, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "libsigrok/libsigrok.hpp"
  21
  22 #include <sstream>
  23
  24 namespace sigrok
  25 {
  26
  27 /** Helper function to translate C errors to C++ exceptions. */
  28 static void check(int result)
  29 {
  30         if (result != SR_OK)
  31                 throw Error(result);
  32 }
  33
  34 /** Helper function to obtain valid strings from possibly null input. */
  35 static const char *valid_string(const char *input)
  36 {
  37         if (input != NULL)
  38                 return input;
  39         else
  40                 return "";
  41 }
  42
  43 /** Helper function to convert between map<string, VariantBase> and GHashTable */
  44 static GHashTable *map_to_hash_variant(map<string, Glib::VariantBase> input)
  45 {
  46         auto output = g_hash_table_new_full(
  47                 g_str_hash, g_str_equal, g_free, (GDestroyNotify) g_variant_unref);
  48         for (auto entry : input)
  49                 g_hash_table_insert(output,
  50                         g_strdup(entry.first.c_str()),
  51                         entry.second.gobj_copy());
  52     return output;
  53 }
  54
  55 Error::Error(int result) : result(result)
  56 {
  57 }
  58
  59 const char *Error::what() const throw()
  60 {
  61         return sr_strerror(result);
  62 }
  63
  64 Error::~Error() throw()
  65 {
  66 }
  67
  68 shared_ptr<Context> Context::create()
  69 {
  70         return shared_ptr<Context>(new Context(), Context::Deleter());
  71 }
  72
  73 Context::Context() :
  74         UserOwned(structure),
  75         session(NULL)
  76 {
  77         check(sr_init(&structure));
  78
  79         struct sr_dev_driver **driver_list = sr_driver_list();
  80         if (driver_list)
  81                 for (int i = 0; driver_list[i]; i++)
  82                         drivers[driver_list[i]->name] =
  83                                 new Driver(driver_list[i]);
  84         const struct sr_input_module **input_list = sr_input_list();
  85         if (input_list)
  86                 for (int i = 0; input_list[i]; i++)
  87                         input_formats[sr_input_id_get(input_list[i])] =
  88                                 new InputFormat(input_list[i]);
  89         const struct sr_output_module **output_list = sr_output_list();
  90         if (output_list)
  91                 for (int i = 0; output_list[i]; i++)
  92                         output_formats[sr_output_id_get(output_list[i])] =
  93                                 new OutputFormat(output_list[i]);
  94 }
  95
  96 string Context::get_package_version()
  97 {
  98         return sr_package_version_string_get();
  99 }
 100
 101 string Context::get_lib_version()
 102 {
 103         return sr_lib_version_string_get();
 104 }
 105
 106 map<string, shared_ptr<Driver>> Context::get_drivers()
 107 {
 108         map<string, shared_ptr<Driver>> result;
 109         for (auto entry: drivers)
 110         {
 111                 auto name = entry.first;
 112                 auto driver = entry.second;
 113                 result[name] = driver->get_shared_pointer(this);
 114         }
 115         return result;
 116 }
 117
 118 map<string, shared_ptr<InputFormat>> Context::get_input_formats()
 119 {
 120         map<string, shared_ptr<InputFormat>> result;
 121         for (auto entry: input_formats)
 122         {
 123                 auto name = entry.first;
 124                 auto input_format = entry.second;
 125                 result[name] = input_format->get_shared_pointer(this);
 126         }
 127         return result;
 128 }
 129
 130 map<string, shared_ptr<OutputFormat>> Context::get_output_formats()
 131 {
 132         map<string, shared_ptr<OutputFormat>> result;
 133         for (auto entry: output_formats)
 134         {
 135                 auto name = entry.first;
 136                 auto output_format = entry.second;
 137                 result[name] = output_format->get_shared_pointer(this);
 138         }
 139         return result;
 140 }
 141
 142 Context::~Context()
 143 {
 144         for (auto entry : drivers)
 145                 delete entry.second;
 146         for (auto entry : input_formats)
 147                 delete entry.second;
 148         for (auto entry : output_formats)
 149                 delete entry.second;
 150         check(sr_exit(structure));
 151 }
 152
 153 const LogLevel *Context::get_log_level()
 154 {
 155         return LogLevel::get(sr_log_loglevel_get());
 156 }
 157
 158 void Context::set_log_level(const LogLevel *level)
 159 {
 160         check(sr_log_loglevel_set(level->get_id()));
 161 }
 162
 163 string Context::get_log_domain()
 164 {
 165         return valid_string(sr_log_logdomain_get());
 166 }
 167
 168 void Context::set_log_domain(string value)
 169 {
 170         check(sr_log_logdomain_set(value.c_str()));
 171 }
 172
 173 static int call_log_callback(void *cb_data, int loglevel, const char *format, va_list args)
 174 {
 175         va_list args_copy;
 176         va_copy(args_copy, args);
 177         int length = vsnprintf(NULL, 0, format, args_copy);
 178         va_end(args_copy);
 179         char *buf = (char *) g_malloc(length + 1);
 180         vsprintf(buf, format, args);
 181         string message(buf, length);
 182         g_free(buf);
 183
 184         LogCallbackFunction callback = *((LogCallbackFunction *) cb_data);
 185
 186         try
 187         {
 188                 callback(LogLevel::get(loglevel), message);
 189         }
 190         catch (Error e)
 191         {
 192                 return e.result;
 193         }
 194
 195         return SR_OK;
 196 }
 197
 198 void Context::set_log_callback(LogCallbackFunction callback)
 199 {
 200         log_callback = callback;
 201         check(sr_log_callback_set(call_log_callback, &log_callback));
 202 }
 203
 204 void Context::set_log_callback_default()
 205 {
 206         check(sr_log_callback_set_default());
 207         log_callback = nullptr;
 208 }
 209
 210 shared_ptr<Session> Context::create_session()
 211 {
 212         return shared_ptr<Session>(
 213                 new Session(shared_from_this()), Session::Deleter());
 214 }
 215
 216 shared_ptr<Session> Context::load_session(string filename)
 217 {
 218         return shared_ptr<Session>(
 219                 new Session(shared_from_this(), filename), Session::Deleter());
 220 }
 221
 222 shared_ptr<Trigger> Context::create_trigger(string name)
 223 {
 224         return shared_ptr<Trigger>(
 225                 new Trigger(shared_from_this(), name), Trigger::Deleter());
 226 }
 227
 228 shared_ptr<Input> Context::open_file(string filename)
 229 {
 230         const struct sr_input *input;
 231
 232         check( sr_input_scan_file(filename.c_str(), &input));
 233         return shared_ptr<Input>(
 234                 new Input(shared_from_this(), input), Input::Deleter());
 235 }
 236
 237 shared_ptr<Input> Context::open_stream(string header)
 238 {
 239         const struct sr_input *input;
 240
 241         auto gstr = g_string_new(header.c_str());
 242         auto ret = sr_input_scan_buffer(gstr, &input);
 243         g_string_free(gstr, true);
 244         check(ret);
 245         return shared_ptr<Input>(
 246                 new Input(shared_from_this(), input), Input::Deleter());
 247 }
 248
 249 Driver::Driver(struct sr_dev_driver *structure) :
 250         ParentOwned(structure),
 251         Configurable(structure, NULL, NULL),
 252         initialized(false)
 253 {
 254 }
 255
 256 Driver::~Driver()
 257 {
 258         for (auto device : devices)
 259                 delete device;
 260 }
 261
 262 string Driver::get_name()
 263 {
 264         return valid_string(structure->name);
 265 }
 266
 267 string Driver::get_long_name()
 268 {
 269         return valid_string(structure->longname);
 270 }
 271
 272 vector<shared_ptr<HardwareDevice>> Driver::scan(
 273         map<const ConfigKey *, Glib::VariantBase> options)
 274 {
 275         /* Initialise the driver if not yet done. */
 276         if (!initialized)
 277         {
 278                 check(sr_driver_init(parent->structure, structure));
 279                 initialized = true;
 280         }
 281
 282         /* Clear all existing instances. */
 283         for (auto device : devices)
 284                 delete device;
 285         devices.clear();
 286
 287         /* Translate scan options to GSList of struct sr_config pointers. */
 288         GSList *option_list = NULL;
 289         for (auto entry : options)
 290         {
 291                 auto key = entry.first;
 292                 auto value = entry.second;
 293                 auto config = g_new(struct sr_config, 1);
 294                 config->key = key->get_id();
 295                 config->data = value.gobj();
 296                 option_list = g_slist_append(option_list, config);
 297         }
 298
 299         /* Run scan. */
 300         GSList *device_list = sr_driver_scan(structure, option_list);
 301
 302         /* Free option list. */
 303         g_slist_free_full(option_list, g_free);
 304
 305         /* Create device objects. */
 306         for (GSList *device = device_list; device; device = device->next)
 307         {
 308                 auto sdi = (struct sr_dev_inst *) device->data;
 309                 devices.push_back(new HardwareDevice(this, sdi));
 310         }
 311
 312         /* Free GSList returned from scan. */
 313         g_slist_free(device_list);
 314
 315         /* Create list of shared pointers to device instances for return. */
 316         vector<shared_ptr<HardwareDevice>> result;
 317         for (auto device : devices)
 318                 result.push_back(device->get_shared_pointer(parent));
 319         return result;
 320 }
 321
 322 Configurable::Configurable(
 323                 struct sr_dev_driver *driver,
 324                 struct sr_dev_inst *sdi,
 325                 struct sr_channel_group *cg) :
 326         config_driver(driver),
 327         config_sdi(sdi),
 328         config_channel_group(cg)
 329 {
 330 }
 331
 332 Configurable::~Configurable()
 333 {
 334 }
 335
 336 Glib::VariantBase Configurable::config_get(const ConfigKey *key)
 337 {
 338         GVariant *data;
 339         check(sr_config_get(
 340                 config_driver, config_sdi, config_channel_group,
 341                 key->get_id(), &data));
 342         return Glib::VariantBase(data);
 343 }
 344
 345 void Configurable::config_set(const ConfigKey *key, Glib::VariantBase value)
 346 {
 347         check(sr_config_set(
 348                 config_sdi, config_channel_group,
 349                 key->get_id(), value.gobj()));
 350 }
 351
 352 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key)
 353 {
 354         GVariant *data;
 355         check(sr_config_list(
 356                 config_driver, config_sdi, config_channel_group,
 357                 key->get_id(), &data));
 358         return Glib::VariantContainerBase(data);
 359 }
 360
 361 Device::Device(struct sr_dev_inst *structure) :
 362         Configurable(structure->driver, structure, NULL),
 363         structure(structure)
 364 {
 365         for (GSList *entry = structure->channels; entry; entry = entry->next)
 366         {
 367                 auto channel = (struct sr_channel *) entry->data;
 368                 channels[channel] = new Channel(channel);
 369         }
 370
 371         for (GSList *entry = structure->channel_groups; entry; entry = entry->next)
 372         {
 373                 auto group = (struct sr_channel_group *) entry->data;
 374                 channel_groups[group->name] = new ChannelGroup(this, group);
 375         }
 376 }
 377
 378 Device::~Device()
 379 {
 380         for (auto entry : channels)
 381                 delete entry.second;
 382         for (auto entry : channel_groups)
 383                 delete entry.second;
 384 }
 385
 386 string Device::get_description()
 387 {
 388         ostringstream s;
 389
 390         vector<string> parts =
 391                 {get_vendor(), get_model(), get_version()};
 392
 393         for (string part : parts)
 394                 if (part.length() > 0)
 395                         s << part;
 396
 397         return s.str();
 398 }
 399
 400 string Device::get_vendor()
 401 {
 402         return valid_string(structure->vendor);
 403 }
 404
 405 string Device::get_model()
 406 {
 407         return valid_string(structure->model);
 408 }
 409
 410 string Device::get_version()
 411 {
 412         return valid_string(structure->version);
 413 }
 414
 415 vector<shared_ptr<Channel>> Device::get_channels()
 416 {
 417         vector<shared_ptr<Channel>> result;
 418         for (auto entry : channels)
 419                 result.push_back(entry.second->get_shared_pointer(get_shared_from_this()));
 420         return result;
 421 }
 422
 423 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
 424 {
 425         return channels[ptr]->get_shared_pointer(get_shared_from_this());
 426 }
 427
 428 map<string, shared_ptr<ChannelGroup>>
 429 Device::get_channel_groups()
 430 {
 431         map<string, shared_ptr<ChannelGroup>> result;
 432         for (auto entry: channel_groups)
 433         {
 434                 auto name = entry.first;
 435                 auto channel_group = entry.second;
 436                 result[name] = channel_group->get_shared_pointer(get_shared_from_this());
 437         }
 438         return result;
 439 }
 440
 441 void Device::open()
 442 {
 443         check(sr_dev_open(structure));
 444 }
 445
 446 void Device::close()
 447 {
 448         check(sr_dev_close(structure));
 449 }
 450
 451 HardwareDevice::HardwareDevice(Driver *driver, struct sr_dev_inst *structure) :
 452         ParentOwned(structure),
 453         Device(structure),
 454         driver(driver)
 455 {
 456 }
 457
 458 HardwareDevice::~HardwareDevice()
 459 {
 460 }
 461
 462 shared_ptr<Device> HardwareDevice::get_shared_from_this()
 463 {
 464         return static_pointer_cast<Device>(shared_from_this());
 465 }
 466
 467 shared_ptr<Driver> HardwareDevice::get_driver()
 468 {
 469         return driver->get_shared_pointer(parent);
 470 }
 471
 472 Channel::Channel(struct sr_channel *structure) :
 473         ParentOwned(structure),
 474         type(ChannelType::get(structure->type))
 475 {
 476 }
 477
 478 Channel::~Channel()
 479 {
 480 }
 481
 482 string Channel::get_name()
 483 {
 484         return valid_string(structure->name);
 485 }
 486
 487 void Channel::set_name(string name)
 488 {
 489         check(sr_dev_channel_name_set(parent->structure, structure->index, name.c_str()));
 490 }
 491
 492 const ChannelType *Channel::get_type()
 493 {
 494         return ChannelType::get(structure->type);
 495 }
 496
 497 bool Channel::get_enabled()
 498 {
 499         return structure->enabled;
 500 }
 501
 502 void Channel::set_enabled(bool value)
 503 {
 504         check(sr_dev_channel_enable(parent->structure, structure->index, value));
 505 }
 506
 507 unsigned int Channel::get_index()
 508 {
 509         return structure->index;
 510 }
 511
 512 ChannelGroup::ChannelGroup(Device *device,
 513                 struct sr_channel_group *structure) :
 514         ParentOwned(structure),
 515         Configurable(device->structure->driver, device->structure, structure)
 516 {
 517         for (GSList *entry = structure->channels; entry; entry = entry->next)
 518                 channels.push_back(device->channels[(struct sr_channel *)entry->data]);
 519 }
 520
 521 ChannelGroup::~ChannelGroup()
 522 {
 523 }
 524
 525 string ChannelGroup::get_name()
 526 {
 527         return valid_string(structure->name);
 528 }
 529
 530 vector<shared_ptr<Channel>> ChannelGroup::get_channels()
 531 {
 532         vector<shared_ptr<Channel>> result;
 533         for (auto channel : channels)
 534                 result.push_back(channel->get_shared_pointer(parent));
 535         return result;
 536 }
 537
 538 Trigger::Trigger(shared_ptr<Context> context, string name) :
 539         UserOwned(sr_trigger_new(name.c_str())),
 540         context(context)
 541 {
 542         for (auto stage = structure->stages; stage; stage = stage->next)
 543                 stages.push_back(new TriggerStage((struct sr_trigger_stage *) stage->data));
 544 }
 545
 546 Trigger::~Trigger()
 547 {
 548         for (auto stage: stages)
 549                 delete stage;
 550
 551         sr_trigger_free(structure);
 552 }
 553
 554 string Trigger::get_name()
 555 {
 556         return structure->name;
 557 }
 558
 559 vector<shared_ptr<TriggerStage>> Trigger::get_stages()
 560 {
 561         vector<shared_ptr<TriggerStage>> result;
 562         for (auto stage : stages)
 563                 result.push_back(stage->get_shared_pointer(this));
 564         return result;
 565 }
 566
 567 shared_ptr<TriggerStage> Trigger::add_stage()
 568 {
 569         auto stage = new TriggerStage(sr_trigger_stage_add(structure));
 570         stages.push_back(stage);
 571         return stage->get_shared_pointer(this);
 572 }
 573
 574 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
 575         ParentOwned(structure)
 576 {
 577 }
 578
 579 TriggerStage::~TriggerStage()
 580 {
 581         for (auto match : matches)
 582                 delete match;
 583 }
 584
 585 int TriggerStage::get_number()
 586 {
 587         return structure->stage;
 588 }
 589
 590 vector<shared_ptr<TriggerMatch>> TriggerStage::get_matches()
 591 {
 592         vector<shared_ptr<TriggerMatch>> result;
 593         for (auto match : matches)
 594                 result.push_back(match->get_shared_pointer(this));
 595         return result;
 596 }
 597
 598 void TriggerStage::add_match(shared_ptr<Channel> channel, const TriggerMatchType *type, float value)
 599 {
 600         check(sr_trigger_match_add(structure, channel->structure, type->get_id(), value));
 601         matches.push_back(new TriggerMatch(
 602                 (struct sr_trigger_match *) g_slist_last(structure->matches)->data, channel));
 603 }
 604
 605 void TriggerStage::add_match(shared_ptr<Channel> channel, const TriggerMatchType *type)
 606 {
 607         add_match(channel, type, NAN);
 608 }
 609
 610 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure, shared_ptr<Channel> channel) :
 611         ParentOwned(structure), channel(channel)
 612 {
 613 }
 614
 615 TriggerMatch::~TriggerMatch()
 616 {
 617 }
 618
 619 shared_ptr<Channel> TriggerMatch::get_channel()
 620 {
 621         return channel;
 622 }
 623
 624 const TriggerMatchType *TriggerMatch::get_type()
 625 {
 626         return TriggerMatchType::get(structure->match);
 627 }
 628
 629 float TriggerMatch::get_value()
 630 {
 631         return structure->value;
 632 }
 633
 634 DatafeedCallbackData::DatafeedCallbackData(Session *session,
 635                 DatafeedCallbackFunction callback) :
 636         callback(callback), session(session)
 637 {
 638 }
 639
 640 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
 641         const struct sr_datafeed_packet *pkt)
 642 {
 643         auto device = session->devices[sdi];
 644         auto packet = shared_ptr<Packet>(new Packet(device, pkt), Packet::Deleter());
 645         callback(device, packet);
 646 }
 647
 648 SourceCallbackData::SourceCallbackData(shared_ptr<EventSource> source) :
 649         source(source)
 650 {
 651 }
 652
 653 bool SourceCallbackData::run(int revents)
 654 {
 655         return source->callback((Glib::IOCondition) revents);
 656 }
 657
 658 shared_ptr<EventSource> EventSource::create(int fd, Glib::IOCondition events,
 659         int timeout, SourceCallbackFunction callback)
 660 {
 661         auto result = new EventSource(timeout, callback);
 662         result->type = EventSource::SOURCE_FD;
 663         result->fd = fd;
 664         result->events = events;
 665         return shared_ptr<EventSource>(result, EventSource::Deleter());
 666 }
 667
 668 shared_ptr<EventSource> EventSource::create(Glib::PollFD pollfd, int timeout,
 669         SourceCallbackFunction callback)
 670 {
 671         auto result = new EventSource(timeout, callback);
 672         result->type = EventSource::SOURCE_POLLFD;
 673         result->pollfd = pollfd;
 674         return shared_ptr<EventSource>(result, EventSource::Deleter());
 675 }
 676
 677 shared_ptr<EventSource> EventSource::create(Glib::RefPtr<Glib::IOChannel> channel,
 678         Glib::IOCondition events, int timeout, SourceCallbackFunction callback)
 679 {
 680         auto result = new EventSource(timeout, callback);
 681         result->type = EventSource::SOURCE_IOCHANNEL;
 682         result->channel = channel;
 683         result->events = events;
 684         return shared_ptr<EventSource>(result, EventSource::Deleter());
 685 }
 686
 687 EventSource::EventSource(int timeout, SourceCallbackFunction callback) :
 688         timeout(timeout), callback(callback)
 689 {
 690 }
 691
 692 EventSource::~EventSource()
 693 {
 694 }
 695
 696 Session::Session(shared_ptr<Context> context) :
 697         UserOwned(structure),
 698         context(context), saving(false)
 699 {
 700         check(sr_session_new(&structure));
 701         context->session = this;
 702 }
 703
 704 Session::Session(shared_ptr<Context> context, string filename) :
 705         UserOwned(structure),
 706         context(context), saving(false)
 707 {
 708         check(sr_session_load(filename.c_str(), &structure));
 709         context->session = this;
 710 }
 711
 712 Session::~Session()
 713 {
 714         check(sr_session_destroy(structure));
 715
 716         for (auto callback : datafeed_callbacks)
 717                 delete callback;
 718
 719         for (auto entry : source_callbacks)
 720                 delete entry.second;
 721 }
 722
 723 void Session::add_device(shared_ptr<Device> device)
 724 {
 725         check(sr_session_dev_add(structure, device->structure));
 726         devices[device->structure] = device;
 727 }
 728
 729 vector<shared_ptr<Device>> Session::get_devices()
 730 {
 731         GSList *dev_list;
 732         check(sr_session_dev_list(structure, &dev_list));
 733         vector<shared_ptr<Device>> result;
 734         for (GSList *dev = dev_list; dev; dev = dev->next)
 735         {
 736                 auto sdi = (struct sr_dev_inst *) dev->data;
 737                 result.push_back(devices[sdi]);
 738         }
 739         return result;
 740 }
 741
 742 void Session::remove_devices()
 743 {
 744         devices.clear();
 745         check(sr_session_dev_remove_all(structure));
 746 }
 747
 748 void Session::start()
 749 {
 750         check(sr_session_start(structure));
 751 }
 752
 753 void Session::run()
 754 {
 755         check(sr_session_run(structure));
 756 }
 757
 758 void Session::stop()
 759 {
 760         check(sr_session_stop(structure));
 761 }
 762
 763 void Session::begin_save(string filename)
 764 {
 765         saving = true;
 766         save_initialized = false;
 767         save_filename = filename;
 768         save_samplerate = 0;
 769 }
 770
 771 void Session::append(shared_ptr<Packet> packet)
 772 {
 773         if (!saving)
 774                 throw Error(SR_ERR);
 775
 776         switch (packet->structure->type)
 777         {
 778                 case SR_DF_META:
 779                 {
 780                         auto meta = (const struct sr_datafeed_meta *)
 781                                 packet->structure->payload;
 782
 783                         for (auto l = meta->config; l; l = l->next)
 784                         {
 785                                 auto config = (struct sr_config *) l->data;
 786                                 if (config->key == SR_CONF_SAMPLERATE)
 787                                         save_samplerate = g_variant_get_uint64(config->data);
 788                         }
 789
 790                         break;
 791                 }
 792                 case SR_DF_LOGIC:
 793                 {
 794                         if (save_samplerate == 0)
 795                         {
 796                                 GVariant *samplerate;
 797
 798                                 check(sr_config_get(packet->device->structure->driver,
 799                                         packet->device->structure, NULL, SR_CONF_SAMPLERATE,
 800                                         &samplerate));
 801
 802                                 save_samplerate = g_variant_get_uint64(samplerate);
 803
 804                                 g_variant_unref(samplerate);
 805                         }
 806
 807                         if (!save_initialized)
 808                         {
 809                                 vector<shared_ptr<Channel>> save_channels;
 810
 811                                 for (auto channel : packet->device->get_channels())
 812                                         if (channel->structure->enabled &&
 813                                                         channel->structure->type == SR_CHANNEL_LOGIC)
 814                                                 save_channels.push_back(channel);
 815
 816                                 auto channels = g_new(char *, save_channels.size());
 817
 818                                 int i = 0;
 819                                 for (auto channel : save_channels)
 820                                                 channels[i++] = channel->structure->name;
 821                                 channels[i] = NULL;
 822
 823                                 int ret = sr_session_save_init(structure, save_filename.c_str(),
 824                                                 save_samplerate, channels);
 825
 826                                 g_free(channels);
 827
 828                                 if (ret != SR_OK)
 829                                         throw Error(ret);
 830
 831                                 save_initialized = true;
 832                         }
 833
 834                         auto logic = (const struct sr_datafeed_logic *)
 835                                 packet->structure->payload;
 836
 837                         check(sr_session_append(structure, save_filename.c_str(),
 838                                 (uint8_t *) logic->data, logic->unitsize,
 839                                 logic->length / logic->unitsize));
 840                 }
 841         }
 842 }
 843
 844 void Session::append(void *data, size_t length, unsigned int unit_size)
 845 {
 846         check(sr_session_append(structure, save_filename.c_str(),
 847                 (uint8_t *) data, unit_size, length));
 848 }
 849
 850 static void datafeed_callback(const struct sr_dev_inst *sdi,
 851         const struct sr_datafeed_packet *pkt, void *cb_data)
 852 {
 853         auto callback = static_cast<DatafeedCallbackData *>(cb_data);
 854         callback->run(sdi, pkt);
 855 }
 856
 857 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
 858 {
 859         auto cb_data = new DatafeedCallbackData(this, callback);
 860         check(sr_session_datafeed_callback_add(structure, datafeed_callback, cb_data));
 861         datafeed_callbacks.push_back(cb_data);
 862 }
 863
 864 void Session::remove_datafeed_callbacks(void)
 865 {
 866         check(sr_session_datafeed_callback_remove_all(structure));
 867         for (auto callback : datafeed_callbacks)
 868                 delete callback;
 869         datafeed_callbacks.clear();
 870 }
 871
 872 static int source_callback(int fd, int revents, void *cb_data)
 873 {
 874         (void) fd;
 875         auto callback = (SourceCallbackData *) cb_data;
 876         return callback->run(revents);
 877 }
 878
 879 void Session::add_source(shared_ptr<EventSource> source)
 880 {
 881         if (source_callbacks.count(source) == 1)
 882                 throw Error(SR_ERR_ARG);
 883
 884         auto cb_data = new SourceCallbackData(source);
 885
 886         switch (source->type)
 887         {
 888                 case EventSource::SOURCE_FD:
 889                         check(sr_session_source_add(structure, source->fd, source->events,
 890                                 source->timeout, source_callback, cb_data));
 891                         break;
 892                 case EventSource::SOURCE_POLLFD:
 893                         check(sr_session_source_add_pollfd(structure,
 894                                 source->pollfd.gobj(), source->timeout, source_callback,
 895                                 cb_data));
 896                         break;
 897                 case EventSource::SOURCE_IOCHANNEL:
 898                         check(sr_session_source_add_channel(structure,
 899                                 source->channel->gobj(), source->events, source->timeout,
 900                                 source_callback, cb_data));
 901                         break;
 902         }
 903
 904         source_callbacks[source] = cb_data;
 905 }
 906
 907 void Session::remove_source(shared_ptr<EventSource> source)
 908 {
 909         if (source_callbacks.count(source) == 0)
 910                 throw Error(SR_ERR_ARG);
 911
 912         switch (source->type)
 913         {
 914                 case EventSource::SOURCE_FD:
 915                         check(sr_session_source_remove(structure, source->fd));
 916                         break;
 917                 case EventSource::SOURCE_POLLFD:
 918                         check(sr_session_source_remove_pollfd(structure,
 919                                 source->pollfd.gobj()));
 920                         break;
 921                 case EventSource::SOURCE_IOCHANNEL:
 922                         check(sr_session_source_remove_channel(structure,
 923                                 source->channel->gobj()));
 924                         break;
 925         }
 926
 927         delete source_callbacks[source];
 928
 929         source_callbacks.erase(source);
 930 }
 931
 932 shared_ptr<Trigger> Session::get_trigger()
 933 {
 934         return trigger;
 935 }
 936
 937 void Session::set_trigger(shared_ptr<Trigger> trigger)
 938 {
 939         check(sr_session_trigger_set(structure, trigger->structure));
 940         this->trigger = trigger;
 941 }
 942
 943 Packet::Packet(shared_ptr<Device> device,
 944         const struct sr_datafeed_packet *structure) :
 945         UserOwned(structure),
 946         device(device)
 947 {
 948         switch (structure->type)
 949         {
 950                 case SR_DF_HEADER:
 951                         payload = new Header(
 952                                 static_cast<const struct sr_datafeed_header *>(
 953                                         structure->payload));
 954                         break;
 955                 case SR_DF_META:
 956                         payload = new Meta(
 957                                 static_cast<const struct sr_datafeed_meta *>(
 958                                         structure->payload));
 959                         break;
 960                 case SR_DF_LOGIC:
 961                         payload = new Logic(
 962                                 static_cast<const struct sr_datafeed_logic *>(
 963                                         structure->payload));
 964                         break;
 965                 case SR_DF_ANALOG:
 966                         payload = new Analog(
 967                                 static_cast<const struct sr_datafeed_analog *>(
 968                                         structure->payload));
 969                         break;
 970                 default:
 971                         payload = nullptr;
 972                         break;
 973         }
 974 }
 975
 976 Packet::~Packet()
 977 {
 978         if (payload)
 979                 delete payload;
 980 }
 981
 982 const PacketType *Packet::get_type()
 983 {
 984         return PacketType::get(structure->type);
 985 }
 986
 987 shared_ptr<PacketPayload> Packet::get_payload()
 988 {
 989         if (payload)
 990                 return payload->get_shared_pointer(this);
 991         else
 992                 throw Error(SR_ERR_NA);
 993 }
 994
 995 PacketPayload::PacketPayload()
 996 {
 997 }
 998
 999 PacketPayload::~PacketPayload()
1000 {
1001 }
1002
1003 Header::Header(const struct sr_datafeed_header *structure) :
1004         ParentOwned(structure),
1005         PacketPayload()
1006 {
1007 }
1008
1009 Header::~Header()
1010 {
1011 }
1012
1013 shared_ptr<PacketPayload> Header::get_shared_pointer(Packet *parent)
1014 {
1015         return static_pointer_cast<PacketPayload>(
1016                 ParentOwned::get_shared_pointer(parent));
1017 }
1018
1019 int Header::get_feed_version()
1020 {
1021         return structure->feed_version;
1022 }
1023
1024 Glib::TimeVal Header::get_start_time()
1025 {
1026         return Glib::TimeVal(
1027                 structure->starttime.tv_sec,
1028                 structure->starttime.tv_usec);
1029 }
1030
1031 Meta::Meta(const struct sr_datafeed_meta *structure) :
1032         ParentOwned(structure),
1033         PacketPayload()
1034 {
1035 }
1036
1037 Meta::~Meta()
1038 {
1039 }
1040
1041 shared_ptr<PacketPayload> Meta::get_shared_pointer(Packet *parent)
1042 {
1043         return static_pointer_cast<PacketPayload>(
1044                 ParentOwned::get_shared_pointer(parent));
1045 }
1046
1047 map<const ConfigKey *, Glib::VariantBase> Meta::get_config()
1048 {
1049         map<const ConfigKey *, Glib::VariantBase> result;
1050         for (auto l = structure->config; l; l = l->next)
1051         {
1052                 auto config = (struct sr_config *) l->data;
1053                 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data);
1054         }
1055         return result;
1056 }
1057
1058 Logic::Logic(const struct sr_datafeed_logic *structure) :
1059         ParentOwned(structure),
1060         PacketPayload()
1061 {
1062 }
1063
1064 Logic::~Logic()
1065 {
1066 }
1067
1068 shared_ptr<PacketPayload> Logic::get_shared_pointer(Packet *parent)
1069 {
1070         return static_pointer_cast<PacketPayload>(
1071                 ParentOwned::get_shared_pointer(parent));
1072 }
1073
1074 void *Logic::get_data_pointer()
1075 {
1076         return structure->data;
1077 }
1078
1079 size_t Logic::get_data_length()
1080 {
1081         return structure->length;
1082 }
1083
1084 unsigned int Logic::get_unit_size()
1085 {
1086         return structure->unitsize;
1087 }
1088
1089 Analog::Analog(const struct sr_datafeed_analog *structure) :
1090         ParentOwned(structure),
1091         PacketPayload()
1092 {
1093 }
1094
1095 Analog::~Analog()
1096 {
1097 }
1098
1099 shared_ptr<PacketPayload> Analog::get_shared_pointer(Packet *parent)
1100 {
1101         return static_pointer_cast<PacketPayload>(
1102                 ParentOwned::get_shared_pointer(parent));
1103 }
1104
1105 float *Analog::get_data_pointer()
1106 {
1107         return structure->data;
1108 }
1109
1110 unsigned int Analog::get_num_samples()
1111 {
1112         return structure->num_samples;
1113 }
1114
1115 vector<shared_ptr<Channel>> Analog::get_channels()
1116 {
1117         vector<shared_ptr<Channel>> result;
1118         for (auto l = structure->channels; l; l = l->next)
1119                 result.push_back(parent->device->get_channel(
1120                         (struct sr_channel *)l->data));
1121         return result;
1122 }
1123
1124 const Quantity *Analog::get_mq()
1125 {
1126         return Quantity::get(structure->mq);
1127 }
1128
1129 const Unit *Analog::get_unit()
1130 {
1131         return Unit::get(structure->unit);
1132 }
1133
1134 vector<const QuantityFlag *> Analog::get_mq_flags()
1135 {
1136         return QuantityFlag::flags_from_mask(structure->mqflags);
1137 }
1138
1139 InputFormat::InputFormat(const struct sr_input_module *structure) :
1140         ParentOwned(structure)
1141 {
1142 }
1143
1144 InputFormat::~InputFormat()
1145 {
1146 }
1147
1148 string InputFormat::get_name()
1149 {
1150         return valid_string(sr_input_id_get(structure));
1151 }
1152
1153 string InputFormat::get_description()
1154 {
1155         return valid_string(sr_input_description_get(structure));
1156 }
1157
1158 map<string, shared_ptr<Option>> InputFormat::get_options()
1159 {
1160         const struct sr_option **options = sr_input_options_get(structure);
1161         auto option_array = shared_ptr<const struct sr_option *>(
1162                 options, sr_input_options_free);
1163         map<string, shared_ptr<Option>> result;
1164         for (int i = 0; options[i]; i++)
1165                 result[options[i]->id] = shared_ptr<Option>(
1166                         new Option(options[i], option_array), Option::Deleter());
1167         return result;
1168 }
1169
1170 shared_ptr<Input> InputFormat::create_input(
1171         map<string, Glib::VariantBase> options)
1172 {
1173         auto input = sr_input_new(structure, map_to_hash_variant(options));
1174         if (!input)
1175                 throw Error(SR_ERR_ARG);
1176         return shared_ptr<Input>(
1177                 new Input(parent->shared_from_this(), input), Input::Deleter());
1178 }
1179
1180 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1181         UserOwned(structure),
1182         context(context),
1183         device(nullptr)
1184 {
1185 }
1186
1187 shared_ptr<InputDevice> Input::get_device()
1188 {
1189         if (!device)
1190         {
1191                 auto sdi = sr_input_dev_inst_get(structure);
1192                 if (!sdi)
1193                         throw Error(SR_ERR_NA);
1194                 device = new InputDevice(shared_from_this(), sdi);
1195         }
1196
1197         return device->get_shared_pointer(shared_from_this());
1198 }
1199
1200 void Input::send(string data)
1201 {
1202         auto gstr = g_string_new(data.c_str());
1203         auto ret = sr_input_send(structure, gstr);
1204         g_string_free(gstr, false);
1205         check(ret);
1206 }
1207
1208 Input::~Input()
1209 {
1210         if (device)
1211                 delete device;
1212         check(sr_input_free(structure));
1213 }
1214
1215 InputDevice::InputDevice(shared_ptr<Input> input,
1216                 struct sr_dev_inst *structure) :
1217         ParentOwned(structure),
1218         Device(structure),
1219         input(input)
1220 {
1221 }
1222
1223 InputDevice::~InputDevice()
1224 {
1225 }
1226
1227 shared_ptr<Device> InputDevice::get_shared_from_this()
1228 {
1229         return static_pointer_cast<Device>(shared_from_this());
1230 }
1231
1232 Option::Option(const struct sr_option *structure,
1233                 shared_ptr<const struct sr_option *> structure_array) :
1234         UserOwned(structure),
1235         structure_array(structure_array)
1236 {
1237 }
1238
1239 Option::~Option()
1240 {
1241 }
1242
1243 string Option::get_id()
1244 {
1245         return valid_string(structure->id);
1246 }
1247
1248 string Option::get_name()
1249 {
1250         return valid_string(structure->name);
1251 }
1252
1253 string Option::get_description()
1254 {
1255         return valid_string(structure->desc);
1256 }
1257
1258 Glib::VariantBase Option::get_default_value()
1259 {
1260         return Glib::VariantBase(structure->def, true);
1261 }
1262
1263 vector<Glib::VariantBase> Option::get_values()
1264 {
1265         vector<Glib::VariantBase> result;
1266         for (auto l = structure->values; l; l = l->next)
1267                 result.push_back(Glib::VariantBase((GVariant *) l->data, true));
1268         return result;
1269 }
1270
1271 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1272         ParentOwned(structure)
1273 {
1274 }
1275
1276 OutputFormat::~OutputFormat()
1277 {
1278 }
1279
1280 string OutputFormat::get_name()
1281 {
1282         return valid_string(sr_output_id_get(structure));
1283 }
1284
1285 string OutputFormat::get_description()
1286 {
1287         return valid_string(sr_output_description_get(structure));
1288 }
1289
1290 map<string, shared_ptr<Option>> OutputFormat::get_options()
1291 {
1292         const struct sr_option **options = sr_output_options_get(structure);
1293         auto option_array = shared_ptr<const struct sr_option *>(
1294                 options, sr_output_options_free);
1295         map<string, shared_ptr<Option>> result;
1296         for (int i = 0; options[i]; i++)
1297                 result[options[i]->id] = shared_ptr<Option>(
1298                         new Option(options[i], option_array), Option::Deleter());
1299         return result;
1300 }
1301
1302 shared_ptr<Output> OutputFormat::create_output(
1303         shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1304 {
1305         return shared_ptr<Output>(
1306                 new Output(shared_from_this(), device, options),
1307                 Output::Deleter());
1308 }
1309
1310 Output::Output(shared_ptr<OutputFormat> format,
1311                 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1312         UserOwned(sr_output_new(format->structure,
1313                 map_to_hash_variant(options), device->structure)),
1314         format(format), device(device), options(options)
1315 {
1316 }
1317
1318 Output::~Output()
1319 {
1320         check(sr_output_free(structure));
1321 }
1322
1323 string Output::receive(shared_ptr<Packet> packet)
1324 {
1325         GString *out;
1326         check(sr_output_send(structure, packet->structure, &out));
1327         if (out)
1328         {
1329                 auto result = string(out->str, out->str + out->len);
1330                 g_string_free(out, true);
1331                 return result;
1332         }
1333         else
1334         {
1335                 return string();
1336         }
1337 }
1338
1339 #include "enums.cpp"
1340
1341 }