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