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 #include <cmath>
  24
  25 namespace sigrok
  26 {
  27
  28 /** Helper function to translate C errors to C++ exceptions. */
  29 static void check(int result)
  30 {
  31         if (result != SR_OK)
  32                 throw Error(result);
  33 }
  34
  35 /** Helper function to obtain valid strings from possibly null input. */
  36 static const char *valid_string(const char *input)
  37 {
  38         if (input != NULL)
  39                 return input;
  40         else
  41                 return "";
  42 }
  43
  44 /** Helper function to convert between map<string, VariantBase> and GHashTable */
  45 static GHashTable *map_to_hash_variant(map<string, Glib::VariantBase> input)
  46 {
  47         auto output = g_hash_table_new_full(
  48                 g_str_hash, g_str_equal, g_free, (GDestroyNotify) 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         UserOwned(_structure),
  76         _session(NULL)
  77 {
  78         check(sr_init(&_structure));
  79
  80         struct sr_dev_driver **driver_list = sr_driver_list();
  81         if (driver_list)
  82                 for (int i = 0; driver_list[i]; i++)
  83                         _drivers[driver_list[i]->name] =
  84                                 new Driver(driver_list[i]);
  85         const struct sr_input_module **input_list = sr_input_list();
  86         if (input_list)
  87                 for (int i = 0; input_list[i]; i++)
  88                         _input_formats[sr_input_id_get(input_list[i])] =
  89                                 new InputFormat(input_list[i]);
  90         const struct sr_output_module **output_list = sr_output_list();
  91         if (output_list)
  92                 for (int i = 0; output_list[i]; i++)
  93                         _output_formats[sr_output_id_get(output_list[i])] =
  94                                 new OutputFormat(output_list[i]);
  95 }
  96
  97 string Context::package_version()
  98 {
  99         return sr_package_version_string_get();
 100 }
 101
 102 string Context::lib_version()
 103 {
 104         return sr_lib_version_string_get();
 105 }
 106
 107 map<string, shared_ptr<Driver>> Context::drivers()
 108 {
 109         map<string, shared_ptr<Driver>> result;
 110         for (auto entry: _drivers)
 111         {
 112                 auto name = entry.first;
 113                 auto driver = entry.second;
 114                 result[name] = driver->get_shared_pointer(this);
 115         }
 116         return result;
 117 }
 118
 119 map<string, shared_ptr<InputFormat>> Context::input_formats()
 120 {
 121         map<string, shared_ptr<InputFormat>> result;
 122         for (auto entry: _input_formats)
 123         {
 124                 auto name = entry.first;
 125                 auto input_format = entry.second;
 126                 result[name] = input_format->get_shared_pointer(this);
 127         }
 128         return result;
 129 }
 130
 131 map<string, shared_ptr<OutputFormat>> Context::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] = output_format->get_shared_pointer(this);
 139         }
 140         return result;
 141 }
 142
 143 Context::~Context()
 144 {
 145         for (auto entry : _drivers)
 146                 delete entry.second;
 147         for (auto entry : _input_formats)
 148                 delete entry.second;
 149         for (auto entry : _output_formats)
 150                 delete entry.second;
 151         check(sr_exit(_structure));
 152 }
 153
 154 const LogLevel *Context::log_level()
 155 {
 156         return LogLevel::get(sr_log_loglevel_get());
 157 }
 158
 159 void Context::set_log_level(const LogLevel *level)
 160 {
 161         check(sr_log_loglevel_set(level->id()));
 162 }
 163
 164 string Context::log_domain()
 165 {
 166         return valid_string(sr_log_logdomain_get());
 167 }
 168
 169 void Context::set_log_domain(string value)
 170 {
 171         check(sr_log_logdomain_set(value.c_str()));
 172 }
 173
 174 static int call_log_callback(void *cb_data, int loglevel, const char *format, va_list args)
 175 {
 176         va_list args_copy;
 177         va_copy(args_copy, args);
 178         int length = vsnprintf(NULL, 0, format, args_copy);
 179         va_end(args_copy);
 180         char *buf = (char *) g_malloc(length + 1);
 181         vsprintf(buf, format, args);
 182         string message(buf, length);
 183         g_free(buf);
 184
 185         LogCallbackFunction callback = *((LogCallbackFunction *) cb_data);
 186
 187         try
 188         {
 189                 callback(LogLevel::get(loglevel), message);
 190         }
 191         catch (Error e)
 192         {
 193                 return e.result;
 194         }
 195
 196         return SR_OK;
 197 }
 198
 199 void Context::set_log_callback(LogCallbackFunction callback)
 200 {
 201         _log_callback = callback;
 202         check(sr_log_callback_set(call_log_callback, &_log_callback));
 203 }
 204
 205 void Context::set_log_callback_default()
 206 {
 207         check(sr_log_callback_set_default());
 208         _log_callback = nullptr;
 209 }
 210
 211 shared_ptr<Session> Context::create_session()
 212 {
 213         return shared_ptr<Session>(
 214                 new Session(shared_from_this()), Session::Deleter());
 215 }
 216
 217 shared_ptr<Session> Context::load_session(string filename)
 218 {
 219         return shared_ptr<Session>(
 220                 new Session(shared_from_this(), filename), Session::Deleter());
 221 }
 222
 223 shared_ptr<Trigger> Context::create_trigger(string name)
 224 {
 225         return shared_ptr<Trigger>(
 226                 new Trigger(shared_from_this(), name), Trigger::Deleter());
 227 }
 228
 229 shared_ptr<Input> Context::open_file(string filename)
 230 {
 231         const struct sr_input *input;
 232
 233         check(sr_input_scan_file(filename.c_str(), &input));
 234         return shared_ptr<Input>(
 235                 new Input(shared_from_this(), input), Input::Deleter());
 236 }
 237
 238 shared_ptr<Input> Context::open_stream(string header)
 239 {
 240         const struct sr_input *input;
 241
 242         auto gstr = g_string_new(header.c_str());
 243         auto ret = sr_input_scan_buffer(gstr, &input);
 244         g_string_free(gstr, true);
 245         check(ret);
 246         return shared_ptr<Input>(
 247                 new Input(shared_from_this(), input), Input::Deleter());
 248 }
 249
 250 Driver::Driver(struct sr_dev_driver *structure) :
 251         ParentOwned(structure),
 252         Configurable(structure, NULL, NULL),
 253         _initialized(false)
 254 {
 255 }
 256
 257 Driver::~Driver()
 258 {
 259 }
 260
 261 string Driver::name()
 262 {
 263         return valid_string(_structure->name);
 264 }
 265
 266 string Driver::long_name()
 267 {
 268         return valid_string(_structure->longname);
 269 }
 270
 271 vector<shared_ptr<HardwareDevice>> Driver::scan(
 272         map<const ConfigKey *, Glib::VariantBase> options)
 273 {
 274         /* Initialise the driver if not yet done. */
 275         if (!_initialized)
 276         {
 277                 check(sr_driver_init(_parent->_structure, _structure));
 278                 _initialized = true;
 279         }
 280
 281         /* Translate scan options to GSList of struct sr_config pointers. */
 282         GSList *option_list = NULL;
 283         for (auto entry : options)
 284         {
 285                 auto key = entry.first;
 286                 auto value = entry.second;
 287                 auto config = g_new(struct sr_config, 1);
 288                 config->key = key->id();
 289                 config->data = value.gobj();
 290                 option_list = g_slist_append(option_list, config);
 291         }
 292
 293         /* Run scan. */
 294         GSList *device_list = sr_driver_scan(_structure, option_list);
 295
 296         /* Free option list. */
 297         g_slist_free_full(option_list, g_free);
 298
 299
 300         /* Create device objects. */
 301         vector<shared_ptr<HardwareDevice>> result;
 302         for (GSList *device = device_list; device; device = device->next)
 303         {
 304                 auto sdi = (struct sr_dev_inst *) device->data;
 305                 result.push_back(shared_ptr<HardwareDevice>(
 306                         new HardwareDevice(shared_from_this(), sdi),
 307                         HardwareDevice::Deleter()));
 308         }
 309
 310         /* Free GSList returned from scan. */
 311         g_slist_free(device_list);
 312
 313         return result;
 314 }
 315
 316 Configurable::Configurable(
 317                 struct sr_dev_driver *driver,
 318                 struct sr_dev_inst *sdi,
 319                 struct sr_channel_group *cg) :
 320         config_driver(driver),
 321         config_sdi(sdi),
 322         config_channel_group(cg)
 323 {
 324 }
 325
 326 Configurable::~Configurable()
 327 {
 328 }
 329
 330 Glib::VariantBase Configurable::config_get(const ConfigKey *key)
 331 {
 332         GVariant *data;
 333         check(sr_config_get(
 334                 config_driver, config_sdi, config_channel_group,
 335                 key->id(), &data));
 336         return Glib::VariantBase(data);
 337 }
 338
 339 void Configurable::config_set(const ConfigKey *key, Glib::VariantBase value)
 340 {
 341         check(sr_config_set(
 342                 config_sdi, config_channel_group,
 343                 key->id(), value.gobj()));
 344 }
 345
 346 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key)
 347 {
 348         GVariant *data;
 349         check(sr_config_list(
 350                 config_driver, config_sdi, config_channel_group,
 351                 key->id(), &data));
 352         return Glib::VariantContainerBase(data);
 353 }
 354
 355 map<const ConfigKey *, set<Capability>> Configurable::config_keys(const ConfigKey *key)
 356 {
 357         GVariant *gvar_opts;
 358         gsize num_opts;
 359         const uint32_t *opts;
 360         map<const ConfigKey *, set<Capability>> result;
 361
 362         check(sr_config_list(
 363                 config_driver, config_sdi, config_channel_group,
 364                 key->id(), &gvar_opts));
 365
 366         opts = (const uint32_t *) g_variant_get_fixed_array(
 367                 gvar_opts, &num_opts, sizeof(uint32_t));
 368
 369         for (gsize i = 0; i < num_opts; i++)
 370         {
 371                 auto key = ConfigKey::get(opts[i] & SR_CONF_MASK);
 372                 set<Capability> capabilities;
 373                 if (opts[i] & SR_CONF_GET)
 374                         capabilities.insert(GET);
 375                 if (opts[i] & SR_CONF_SET)
 376                         capabilities.insert(SET);
 377                 if (opts[i] & SR_CONF_LIST)
 378                         capabilities.insert(LIST);
 379                 result[key] = capabilities;
 380         }
 381
 382         g_variant_unref(gvar_opts);
 383
 384         return result;
 385 }
 386
 387 bool Configurable::config_check(const ConfigKey *key,
 388         const ConfigKey *index_key)
 389 {
 390         GVariant *gvar_opts;
 391         gsize num_opts;
 392         const uint32_t *opts;
 393
 394         if (sr_config_list(config_driver, config_sdi, config_channel_group,
 395                         index_key->id(), &gvar_opts) != SR_OK)
 396                 return false;
 397
 398         opts = (const uint32_t *) g_variant_get_fixed_array(
 399                 gvar_opts, &num_opts, sizeof(uint32_t));
 400
 401         for (gsize i = 0; i < num_opts; i++)
 402         {
 403                 if ((opts[i] & SR_CONF_MASK) == key->id())
 404                 {
 405                         g_variant_unref(gvar_opts);
 406                         return true;
 407                 }
 408         }
 409
 410         g_variant_unref(gvar_opts);
 411
 412         return false;
 413 }
 414
 415 Device::Device(struct sr_dev_inst *structure) :
 416         Configurable(structure->driver, structure, NULL),
 417         _structure(structure)
 418 {
 419         for (GSList *entry = structure->channels; entry; entry = entry->next)
 420         {
 421                 auto channel = (struct sr_channel *) entry->data;
 422                 _channels[channel] = new Channel(channel);
 423         }
 424
 425         for (GSList *entry = structure->channel_groups; entry; entry = entry->next)
 426         {
 427                 auto group = (struct sr_channel_group *) entry->data;
 428                 _channel_groups[group->name] = new ChannelGroup(this, group);
 429         }
 430 }
 431
 432 Device::~Device()
 433 {
 434         for (auto entry : _channels)
 435                 delete entry.second;
 436         for (auto entry : _channel_groups)
 437                 delete entry.second;
 438 }
 439
 440 string Device::description()
 441 {
 442         ostringstream s;
 443
 444         vector<string> parts =
 445                 {vendor(), model(), version()};
 446
 447         for (string part : parts)
 448                 if (part.length() > 0)
 449                         s << part;
 450
 451         if (serial_number().length() > 0)
 452                 s << serial_number();
 453         else
 454                 s << connection_id();
 455
 456         return s.str();
 457 }
 458
 459 string Device::vendor()
 460 {
 461         return valid_string(_structure->vendor);
 462 }
 463
 464 string Device::model()
 465 {
 466         return valid_string(_structure->model);
 467 }
 468
 469 string Device::version()
 470 {
 471         return valid_string(_structure->version);
 472 }
 473
 474 string Device::serial_number()
 475 {
 476         return valid_string(_structure->serial_num);
 477 }
 478
 479 string Device::connection_id()
 480 {
 481         return valid_string(_structure->connection_id);
 482 }
 483
 484 vector<shared_ptr<Channel>> Device::channels()
 485 {
 486         vector<shared_ptr<Channel>> result;
 487         for (auto channel = _structure->channels; channel; channel = channel->next)
 488                 result.push_back(
 489                         _channels[(struct sr_channel *) channel->data]->get_shared_pointer(
 490                                 get_shared_from_this()));
 491         return result;
 492 }
 493
 494 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
 495 {
 496         return _channels[ptr]->get_shared_pointer(get_shared_from_this());
 497 }
 498
 499 map<string, shared_ptr<ChannelGroup>>
 500 Device::channel_groups()
 501 {
 502         map<string, shared_ptr<ChannelGroup>> result;
 503         for (auto entry: _channel_groups)
 504         {
 505                 auto name = entry.first;
 506                 auto channel_group = entry.second;
 507                 result[name] = channel_group->get_shared_pointer(get_shared_from_this());
 508         }
 509         return result;
 510 }
 511
 512 void Device::open()
 513 {
 514         check(sr_dev_open(_structure));
 515 }
 516
 517 void Device::close()
 518 {
 519         check(sr_dev_close(_structure));
 520 }
 521
 522 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
 523                 struct sr_dev_inst *structure) :
 524         UserOwned(structure),
 525         Device(structure),
 526         _driver(driver)
 527 {
 528 }
 529
 530 HardwareDevice::~HardwareDevice()
 531 {
 532 }
 533
 534 shared_ptr<Device> HardwareDevice::get_shared_from_this()
 535 {
 536         return static_pointer_cast<Device>(shared_from_this());
 537 }
 538
 539 shared_ptr<Driver> HardwareDevice::driver()
 540 {
 541         return _driver;
 542 }
 543
 544 Channel::Channel(struct sr_channel *structure) :
 545         ParentOwned(structure),
 546         _type(ChannelType::get(_structure->type))
 547 {
 548 }
 549
 550 Channel::~Channel()
 551 {
 552 }
 553
 554 string Channel::name()
 555 {
 556         return valid_string(_structure->name);
 557 }
 558
 559 void Channel::set_name(string name)
 560 {
 561         check(sr_dev_channel_name_set(_parent->_structure,
 562                 _structure->index, name.c_str()));
 563 }
 564
 565 const ChannelType *Channel::type()
 566 {
 567         return ChannelType::get(_structure->type);
 568 }
 569
 570 bool Channel::enabled()
 571 {
 572         return _structure->enabled;
 573 }
 574
 575 void Channel::set_enabled(bool value)
 576 {
 577         check(sr_dev_channel_enable(_parent->_structure, _structure->index, value));
 578 }
 579
 580 unsigned int Channel::index()
 581 {
 582         return _structure->index;
 583 }
 584
 585 ChannelGroup::ChannelGroup(Device *device,
 586                 struct sr_channel_group *structure) :
 587         ParentOwned(structure),
 588         Configurable(device->_structure->driver, device->_structure, structure)
 589 {
 590         for (GSList *entry = structure->channels; entry; entry = entry->next)
 591                 _channels.push_back(device->_channels[(struct sr_channel *)entry->data]);
 592 }
 593
 594 ChannelGroup::~ChannelGroup()
 595 {
 596 }
 597
 598 string ChannelGroup::name()
 599 {
 600         return valid_string(_structure->name);
 601 }
 602
 603 vector<shared_ptr<Channel>> ChannelGroup::channels()
 604 {
 605         vector<shared_ptr<Channel>> result;
 606         for (auto channel : _channels)
 607                 result.push_back(channel->get_shared_pointer(_parent));
 608         return result;
 609 }
 610
 611 Trigger::Trigger(shared_ptr<Context> context, string name) :
 612         UserOwned(sr_trigger_new(name.c_str())),
 613         _context(context)
 614 {
 615         for (auto stage = _structure->stages; stage; stage = stage->next)
 616                 _stages.push_back(
 617                         new TriggerStage((struct sr_trigger_stage *) stage->data));
 618 }
 619
 620 Trigger::~Trigger()
 621 {
 622         for (auto stage: _stages)
 623                 delete stage;
 624
 625         sr_trigger_free(_structure);
 626 }
 627
 628 string Trigger::name()
 629 {
 630         return _structure->name;
 631 }
 632
 633 vector<shared_ptr<TriggerStage>> Trigger::stages()
 634 {
 635         vector<shared_ptr<TriggerStage>> result;
 636         for (auto stage : _stages)
 637                 result.push_back(stage->get_shared_pointer(this));
 638         return result;
 639 }
 640
 641 shared_ptr<TriggerStage> Trigger::add_stage()
 642 {
 643         auto stage = new TriggerStage(sr_trigger_stage_add(_structure));
 644         _stages.push_back(stage);
 645         return stage->get_shared_pointer(this);
 646 }
 647
 648 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
 649         ParentOwned(structure)
 650 {
 651 }
 652
 653 TriggerStage::~TriggerStage()
 654 {
 655         for (auto match : _matches)
 656                 delete match;
 657 }
 658
 659 int TriggerStage::number()
 660 {
 661         return _structure->stage;
 662 }
 663
 664 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
 665 {
 666         vector<shared_ptr<TriggerMatch>> result;
 667         for (auto match : _matches)
 668                 result.push_back(match->get_shared_pointer(this));
 669         return result;
 670 }
 671
 672 void TriggerStage::add_match(shared_ptr<Channel> channel,
 673         const TriggerMatchType *type, float value)
 674 {
 675         check(sr_trigger_match_add(_structure,
 676                 channel->_structure, type->id(), value));
 677         _matches.push_back(new TriggerMatch(
 678                 (struct sr_trigger_match *) g_slist_last(
 679                         _structure->matches)->data, channel));
 680 }
 681
 682 void TriggerStage::add_match(shared_ptr<Channel> channel,
 683         const TriggerMatchType *type)
 684 {
 685         add_match(channel, type, NAN);
 686 }
 687
 688 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
 689                 shared_ptr<Channel> channel) :
 690         ParentOwned(structure),
 691         _channel(channel)
 692 {
 693 }
 694
 695 TriggerMatch::~TriggerMatch()
 696 {
 697 }
 698
 699 shared_ptr<Channel> TriggerMatch::channel()
 700 {
 701         return _channel;
 702 }
 703
 704 const TriggerMatchType *TriggerMatch::type()
 705 {
 706         return TriggerMatchType::get(_structure->match);
 707 }
 708
 709 float TriggerMatch::value()
 710 {
 711         return _structure->value;
 712 }
 713
 714 DatafeedCallbackData::DatafeedCallbackData(Session *session,
 715                 DatafeedCallbackFunction callback) :
 716         _callback(callback),
 717         _session(session)
 718 {
 719 }
 720
 721 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
 722         const struct sr_datafeed_packet *pkt)
 723 {
 724         auto device = _session->_devices[sdi];
 725         auto packet = shared_ptr<Packet>(new Packet(device, pkt), Packet::Deleter());
 726         _callback(device, packet);
 727 }
 728
 729 SourceCallbackData::SourceCallbackData(shared_ptr<EventSource> source) :
 730         _source(source)
 731 {
 732 }
 733
 734 bool SourceCallbackData::run(int revents)
 735 {
 736         return _source->_callback((Glib::IOCondition) revents);
 737 }
 738
 739 shared_ptr<EventSource> EventSource::create(int fd, Glib::IOCondition events,
 740         int timeout, SourceCallbackFunction callback)
 741 {
 742         auto result = new EventSource(timeout, callback);
 743         result->_type = EventSource::SOURCE_FD;
 744         result->_fd = fd;
 745         result->_events = events;
 746         return shared_ptr<EventSource>(result, EventSource::Deleter());
 747 }
 748
 749 shared_ptr<EventSource> EventSource::create(Glib::PollFD pollfd, int timeout,
 750         SourceCallbackFunction callback)
 751 {
 752         auto result = new EventSource(timeout, callback);
 753         result->_type = EventSource::SOURCE_POLLFD;
 754         result->_pollfd = pollfd;
 755         return shared_ptr<EventSource>(result, EventSource::Deleter());
 756 }
 757
 758 shared_ptr<EventSource> EventSource::create(Glib::RefPtr<Glib::IOChannel> channel,
 759         Glib::IOCondition events, int timeout, SourceCallbackFunction callback)
 760 {
 761         auto result = new EventSource(timeout, callback);
 762         result->_type = EventSource::SOURCE_IOCHANNEL;
 763         result->_channel = channel;
 764         result->_events = events;
 765         return shared_ptr<EventSource>(result, EventSource::Deleter());
 766 }
 767
 768 EventSource::EventSource(int timeout, SourceCallbackFunction callback) :
 769         _timeout(timeout),
 770         _callback(callback)
 771 {
 772 }
 773
 774 EventSource::~EventSource()
 775 {
 776 }
 777
 778 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
 779         ParentOwned(structure),
 780         Device(structure)
 781 {
 782 }
 783
 784 SessionDevice::~SessionDevice()
 785 {
 786 }
 787
 788 shared_ptr<Device> SessionDevice::get_shared_from_this()
 789 {
 790         return static_pointer_cast<Device>(shared_from_this());
 791 }
 792
 793 Session::Session(shared_ptr<Context> context) :
 794         UserOwned(_structure),
 795         _context(context),
 796         _saving(false)
 797 {
 798         check(sr_session_new(&_structure));
 799         _context->_session = this;
 800 }
 801
 802 Session::Session(shared_ptr<Context> context, string filename) :
 803         UserOwned(_structure),
 804         _context(context),
 805         _saving(false)
 806 {
 807         check(sr_session_load(filename.c_str(), &_structure));
 808         GSList *dev_list;
 809         check(sr_session_dev_list(_structure, &dev_list));
 810         for (GSList *dev = dev_list; dev; dev = dev->next)
 811         {
 812                 auto sdi = (struct sr_dev_inst *) dev->data;
 813                 auto device = new SessionDevice(sdi);
 814                 _devices[sdi] = shared_ptr<SessionDevice>(device,
 815                         SessionDevice::Deleter());
 816         }
 817         _context->_session = this;
 818 }
 819
 820 Session::~Session()
 821 {
 822         check(sr_session_destroy(_structure));
 823
 824         for (auto callback : _datafeed_callbacks)
 825                 delete callback;
 826
 827         for (auto entry : _source_callbacks)
 828                 delete entry.second;
 829 }
 830
 831 void Session::add_device(shared_ptr<Device> device)
 832 {
 833         check(sr_session_dev_add(_structure, device->_structure));
 834         _devices[device->_structure] = device;
 835 }
 836
 837 vector<shared_ptr<Device>> Session::devices()
 838 {
 839         GSList *dev_list;
 840         check(sr_session_dev_list(_structure, &dev_list));
 841         vector<shared_ptr<Device>> result;
 842         for (GSList *dev = dev_list; dev; dev = dev->next)
 843         {
 844                 auto sdi = (struct sr_dev_inst *) dev->data;
 845                 result.push_back(_devices[sdi]);
 846         }
 847         return result;
 848 }
 849
 850 void Session::remove_devices()
 851 {
 852         _devices.clear();
 853         check(sr_session_dev_remove_all(_structure));
 854 }
 855
 856 void Session::start()
 857 {
 858         check(sr_session_start(_structure));
 859 }
 860
 861 void Session::run()
 862 {
 863         check(sr_session_run(_structure));
 864 }
 865
 866 void Session::stop()
 867 {
 868         check(sr_session_stop(_structure));
 869 }
 870
 871 void Session::begin_save(string filename)
 872 {
 873         _saving = true;
 874         _save_initialized = false;
 875         _save_filename = filename;
 876         _save_samplerate = 0;
 877 }
 878
 879 void Session::append(shared_ptr<Packet> packet)
 880 {
 881         if (!_saving)
 882                 throw Error(SR_ERR);
 883
 884         switch (packet->_structure->type)
 885         {
 886                 case SR_DF_META:
 887                 {
 888                         auto meta = (const struct sr_datafeed_meta *)
 889                                 packet->_structure->payload;
 890
 891                         for (auto l = meta->config; l; l = l->next)
 892                         {
 893                                 auto config = (struct sr_config *) l->data;
 894                                 if (config->key == SR_CONF_SAMPLERATE)
 895                                         _save_samplerate = g_variant_get_uint64(config->data);
 896                         }
 897
 898                         break;
 899                 }
 900                 case SR_DF_LOGIC:
 901                 {
 902                         if (_save_samplerate == 0)
 903                         {
 904                                 GVariant *samplerate;
 905
 906                                 check(sr_config_get(packet->_device->_structure->driver,
 907                                         packet->_device->_structure, NULL, SR_CONF_SAMPLERATE,
 908                                         &samplerate));
 909
 910                                 _save_samplerate = g_variant_get_uint64(samplerate);
 911
 912                                 g_variant_unref(samplerate);
 913                         }
 914
 915                         if (!_save_initialized)
 916                         {
 917                                 vector<shared_ptr<Channel>> save_channels;
 918
 919                                 for (auto channel : packet->_device->channels())
 920                                         if (channel->_structure->enabled &&
 921                                                         channel->_structure->type == SR_CHANNEL_LOGIC)
 922                                                 save_channels.push_back(channel);
 923
 924                                 auto channels = g_new(char *, save_channels.size());
 925
 926                                 int i = 0;
 927                                 for (auto channel : save_channels)
 928                                                 channels[i++] = channel->_structure->name;
 929                                 channels[i] = NULL;
 930
 931                                 int ret = sr_session_save_init(_structure, _save_filename.c_str(),
 932                                                 _save_samplerate, channels);
 933
 934                                 g_free(channels);
 935
 936                                 if (ret != SR_OK)
 937                                         throw Error(ret);
 938
 939                                 _save_initialized = true;
 940                         }
 941
 942                         auto logic = (const struct sr_datafeed_logic *)
 943                                 packet->_structure->payload;
 944
 945                         check(sr_session_append(_structure, _save_filename.c_str(),
 946                                 (uint8_t *) logic->data, logic->unitsize,
 947                                 logic->length / logic->unitsize));
 948                 }
 949         }
 950 }
 951
 952 void Session::append(void *data, size_t length, unsigned int unit_size)
 953 {
 954         check(sr_session_append(_structure, _save_filename.c_str(),
 955                 (uint8_t *) data, unit_size, length));
 956 }
 957
 958 static void datafeed_callback(const struct sr_dev_inst *sdi,
 959         const struct sr_datafeed_packet *pkt, void *cb_data)
 960 {
 961         auto callback = static_cast<DatafeedCallbackData *>(cb_data);
 962         callback->run(sdi, pkt);
 963 }
 964
 965 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
 966 {
 967         auto cb_data = new DatafeedCallbackData(this, callback);
 968         check(sr_session_datafeed_callback_add(_structure,
 969                 datafeed_callback, cb_data));
 970         _datafeed_callbacks.push_back(cb_data);
 971 }
 972
 973 void Session::remove_datafeed_callbacks(void)
 974 {
 975         check(sr_session_datafeed_callback_remove_all(_structure));
 976         for (auto callback : _datafeed_callbacks)
 977                 delete callback;
 978         _datafeed_callbacks.clear();
 979 }
 980
 981 static int source_callback(int fd, int revents, void *cb_data)
 982 {
 983         (void) fd;
 984         auto callback = (SourceCallbackData *) cb_data;
 985         return callback->run(revents);
 986 }
 987
 988 void Session::add_source(shared_ptr<EventSource> source)
 989 {
 990         if (_source_callbacks.count(source) == 1)
 991                 throw Error(SR_ERR_ARG);
 992
 993         auto cb_data = new SourceCallbackData(source);
 994
 995         switch (source->_type)
 996         {
 997                 case EventSource::SOURCE_FD:
 998                         check(sr_session_source_add(_structure, source->_fd, source->_events,
 999                                 source->_timeout, source_callback, cb_data));
1000                         break;
1001                 case EventSource::SOURCE_POLLFD:
1002                         check(sr_session_source_add_pollfd(_structure,
1003                                 source->_pollfd.gobj(), source->_timeout, source_callback,
1004                                 cb_data));
1005                         break;
1006                 case EventSource::SOURCE_IOCHANNEL:
1007                         check(sr_session_source_add_channel(_structure,
1008                                 source->_channel->gobj(), source->_events, source->_timeout,
1009                                 source_callback, cb_data));
1010                         break;
1011         }
1012
1013         _source_callbacks[source] = cb_data;
1014 }
1015
1016 void Session::remove_source(shared_ptr<EventSource> source)
1017 {
1018         if (_source_callbacks.count(source) == 0)
1019                 throw Error(SR_ERR_ARG);
1020
1021         switch (source->_type)
1022         {
1023                 case EventSource::SOURCE_FD:
1024                         check(sr_session_source_remove(_structure, source->_fd));
1025                         break;
1026                 case EventSource::SOURCE_POLLFD:
1027                         check(sr_session_source_remove_pollfd(_structure,
1028                                 source->_pollfd.gobj()));
1029                         break;
1030                 case EventSource::SOURCE_IOCHANNEL:
1031                         check(sr_session_source_remove_channel(_structure,
1032                                 source->_channel->gobj()));
1033                         break;
1034         }
1035
1036         delete _source_callbacks[source];
1037
1038         _source_callbacks.erase(source);
1039 }
1040
1041 shared_ptr<Trigger> Session::trigger()
1042 {
1043         return _trigger;
1044 }
1045
1046 void Session::set_trigger(shared_ptr<Trigger> trigger)
1047 {
1048         check(sr_session_trigger_set(_structure, trigger->_structure));
1049         _trigger = trigger;
1050 }
1051
1052 Packet::Packet(shared_ptr<Device> device,
1053         const struct sr_datafeed_packet *structure) :
1054         UserOwned(structure),
1055         _device(device)
1056 {
1057         switch (structure->type)
1058         {
1059                 case SR_DF_HEADER:
1060                         _payload = new Header(
1061                                 static_cast<const struct sr_datafeed_header *>(
1062                                         structure->payload));
1063                         break;
1064                 case SR_DF_META:
1065                         _payload = new Meta(
1066                                 static_cast<const struct sr_datafeed_meta *>(
1067                                         structure->payload));
1068                         break;
1069                 case SR_DF_LOGIC:
1070                         _payload = new Logic(
1071                                 static_cast<const struct sr_datafeed_logic *>(
1072                                         structure->payload));
1073                         break;
1074                 case SR_DF_ANALOG:
1075                         _payload = new Analog(
1076                                 static_cast<const struct sr_datafeed_analog *>(
1077                                         structure->payload));
1078                         break;
1079                 default:
1080                         _payload = nullptr;
1081                         break;
1082         }
1083 }
1084
1085 Packet::~Packet()
1086 {
1087         if (_payload)
1088                 delete _payload;
1089 }
1090
1091 const PacketType *Packet::type()
1092 {
1093         return PacketType::get(_structure->type);
1094 }
1095
1096 shared_ptr<PacketPayload> Packet::payload()
1097 {
1098         if (_payload)
1099                 return _payload->get_shared_pointer(this);
1100         else
1101                 throw Error(SR_ERR_NA);
1102 }
1103
1104 PacketPayload::PacketPayload()
1105 {
1106 }
1107
1108 PacketPayload::~PacketPayload()
1109 {
1110 }
1111
1112 Header::Header(const struct sr_datafeed_header *structure) :
1113         ParentOwned(structure),
1114         PacketPayload()
1115 {
1116 }
1117
1118 Header::~Header()
1119 {
1120 }
1121
1122 shared_ptr<PacketPayload> Header::get_shared_pointer(Packet *_parent)
1123 {
1124         return static_pointer_cast<PacketPayload>(
1125                 ParentOwned::get_shared_pointer(_parent));
1126 }
1127
1128 int Header::feed_version()
1129 {
1130         return _structure->feed_version;
1131 }
1132
1133 Glib::TimeVal Header::start_time()
1134 {
1135         return Glib::TimeVal(
1136                 _structure->starttime.tv_sec,
1137                 _structure->starttime.tv_usec);
1138 }
1139
1140 Meta::Meta(const struct sr_datafeed_meta *structure) :
1141         ParentOwned(structure),
1142         PacketPayload()
1143 {
1144 }
1145
1146 Meta::~Meta()
1147 {
1148 }
1149
1150 shared_ptr<PacketPayload> Meta::get_shared_pointer(Packet *_parent)
1151 {
1152         return static_pointer_cast<PacketPayload>(
1153                 ParentOwned::get_shared_pointer(_parent));
1154 }
1155
1156 map<const ConfigKey *, Glib::VariantBase> Meta::config()
1157 {
1158         map<const ConfigKey *, Glib::VariantBase> result;
1159         for (auto l = _structure->config; l; l = l->next)
1160         {
1161                 auto config = (struct sr_config *) l->data;
1162                 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data);
1163         }
1164         return result;
1165 }
1166
1167 Logic::Logic(const struct sr_datafeed_logic *structure) :
1168         ParentOwned(structure),
1169         PacketPayload()
1170 {
1171 }
1172
1173 Logic::~Logic()
1174 {
1175 }
1176
1177 shared_ptr<PacketPayload> Logic::get_shared_pointer(Packet *_parent)
1178 {
1179         return static_pointer_cast<PacketPayload>(
1180                 ParentOwned::get_shared_pointer(_parent));
1181 }
1182
1183 void *Logic::data_pointer()
1184 {
1185         return _structure->data;
1186 }
1187
1188 size_t Logic::data_length()
1189 {
1190         return _structure->length;
1191 }
1192
1193 unsigned int Logic::unit_size()
1194 {
1195         return _structure->unitsize;
1196 }
1197
1198 Analog::Analog(const struct sr_datafeed_analog *structure) :
1199         ParentOwned(structure),
1200         PacketPayload()
1201 {
1202 }
1203
1204 Analog::~Analog()
1205 {
1206 }
1207
1208 shared_ptr<PacketPayload> Analog::get_shared_pointer(Packet *_parent)
1209 {
1210         return static_pointer_cast<PacketPayload>(
1211                 ParentOwned::get_shared_pointer(_parent));
1212 }
1213
1214 float *Analog::data_pointer()
1215 {
1216         return _structure->data;
1217 }
1218
1219 unsigned int Analog::num_samples()
1220 {
1221         return _structure->num_samples;
1222 }
1223
1224 vector<shared_ptr<Channel>> Analog::channels()
1225 {
1226         vector<shared_ptr<Channel>> result;
1227         for (auto l = _structure->channels; l; l = l->next)
1228                 result.push_back(_parent->_device->get_channel(
1229                         (struct sr_channel *)l->data));
1230         return result;
1231 }
1232
1233 const Quantity *Analog::mq()
1234 {
1235         return Quantity::get(_structure->mq);
1236 }
1237
1238 const Unit *Analog::unit()
1239 {
1240         return Unit::get(_structure->unit);
1241 }
1242
1243 vector<const QuantityFlag *> Analog::mq_flags()
1244 {
1245         return QuantityFlag::flags_from_mask(_structure->mqflags);
1246 }
1247
1248 InputFormat::InputFormat(const struct sr_input_module *structure) :
1249         ParentOwned(structure)
1250 {
1251 }
1252
1253 InputFormat::~InputFormat()
1254 {
1255 }
1256
1257 string InputFormat::name()
1258 {
1259         return valid_string(sr_input_id_get(_structure));
1260 }
1261
1262 string InputFormat::description()
1263 {
1264         return valid_string(sr_input_description_get(_structure));
1265 }
1266
1267 map<string, shared_ptr<Option>> InputFormat::options()
1268 {
1269         const struct sr_option **options = sr_input_options_get(_structure);
1270         auto option_array = shared_ptr<const struct sr_option *>(
1271                 options, sr_input_options_free);
1272         map<string, shared_ptr<Option>> result;
1273         for (int i = 0; options[i]; i++)
1274                 result[options[i]->id] = shared_ptr<Option>(
1275                         new Option(options[i], option_array), Option::Deleter());
1276         return result;
1277 }
1278
1279 shared_ptr<Input> InputFormat::create_input(
1280         map<string, Glib::VariantBase> options)
1281 {
1282         auto input = sr_input_new(_structure, map_to_hash_variant(options));
1283         if (!input)
1284                 throw Error(SR_ERR_ARG);
1285         return shared_ptr<Input>(
1286                 new Input(_parent->shared_from_this(), input), Input::Deleter());
1287 }
1288
1289 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1290         UserOwned(structure),
1291         _context(context),
1292         _device(nullptr)
1293 {
1294 }
1295
1296 shared_ptr<InputDevice> Input::device()
1297 {
1298         if (!_device)
1299         {
1300                 auto sdi = sr_input_dev_inst_get(_structure);
1301                 if (!sdi)
1302                         throw Error(SR_ERR_NA);
1303                 _device = new InputDevice(shared_from_this(), sdi);
1304         }
1305
1306         return _device->get_shared_pointer(shared_from_this());
1307 }
1308
1309 void Input::send(string data)
1310 {
1311         auto gstr = g_string_new(data.c_str());
1312         auto ret = sr_input_send(_structure, gstr);
1313         g_string_free(gstr, false);
1314         check(ret);
1315 }
1316
1317 void Input::end()
1318 {
1319         check(sr_input_end(_structure));
1320 }
1321
1322 Input::~Input()
1323 {
1324         if (_device)
1325                 delete _device;
1326         sr_input_free(_structure);
1327 }
1328
1329 InputDevice::InputDevice(shared_ptr<Input> input,
1330                 struct sr_dev_inst *structure) :
1331         ParentOwned(structure),
1332         Device(structure),
1333         _input(input)
1334 {
1335 }
1336
1337 InputDevice::~InputDevice()
1338 {
1339 }
1340
1341 shared_ptr<Device> InputDevice::get_shared_from_this()
1342 {
1343         return static_pointer_cast<Device>(shared_from_this());
1344 }
1345
1346 Option::Option(const struct sr_option *structure,
1347                 shared_ptr<const struct sr_option *> structure_array) :
1348         UserOwned(structure),
1349         _structure_array(structure_array)
1350 {
1351 }
1352
1353 Option::~Option()
1354 {
1355 }
1356
1357 string Option::id()
1358 {
1359         return valid_string(_structure->id);
1360 }
1361
1362 string Option::name()
1363 {
1364         return valid_string(_structure->name);
1365 }
1366
1367 string Option::description()
1368 {
1369         return valid_string(_structure->desc);
1370 }
1371
1372 Glib::VariantBase Option::default_value()
1373 {
1374         return Glib::VariantBase(_structure->def, true);
1375 }
1376
1377 vector<Glib::VariantBase> Option::values()
1378 {
1379         vector<Glib::VariantBase> result;
1380         for (auto l = _structure->values; l; l = l->next)
1381                 result.push_back(Glib::VariantBase((GVariant *) l->data, true));
1382         return result;
1383 }
1384
1385 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1386         ParentOwned(structure)
1387 {
1388 }
1389
1390 OutputFormat::~OutputFormat()
1391 {
1392 }
1393
1394 string OutputFormat::name()
1395 {
1396         return valid_string(sr_output_id_get(_structure));
1397 }
1398
1399 string OutputFormat::description()
1400 {
1401         return valid_string(sr_output_description_get(_structure));
1402 }
1403
1404 map<string, shared_ptr<Option>> OutputFormat::options()
1405 {
1406         const struct sr_option **options = sr_output_options_get(_structure);
1407         auto option_array = shared_ptr<const struct sr_option *>(
1408                 options, sr_output_options_free);
1409         map<string, shared_ptr<Option>> result;
1410         for (int i = 0; options[i]; i++)
1411                 result[options[i]->id] = shared_ptr<Option>(
1412                         new Option(options[i], option_array), Option::Deleter());
1413         return result;
1414 }
1415
1416 shared_ptr<Output> OutputFormat::create_output(
1417         shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1418 {
1419         return shared_ptr<Output>(
1420                 new Output(shared_from_this(), device, options),
1421                 Output::Deleter());
1422 }
1423
1424 Output::Output(shared_ptr<OutputFormat> format,
1425                 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1426         UserOwned(sr_output_new(format->_structure,
1427                 map_to_hash_variant(options), device->_structure)),
1428         _format(format),
1429         _device(device),
1430         _options(options)
1431 {
1432 }
1433
1434 Output::~Output()
1435 {
1436         check(sr_output_free(_structure));
1437 }
1438
1439 string Output::receive(shared_ptr<Packet> packet)
1440 {
1441         GString *out;
1442         check(sr_output_send(_structure, packet->_structure, &out));
1443         if (out)
1444         {
1445                 auto result = string(out->str, out->str + out->len);
1446                 g_string_free(out, true);
1447                 return result;
1448         }
1449         else
1450         {
1451                 return string();
1452         }
1453 }
1454
1455 #include "enums.cpp"
1456
1457 }