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 vector<const ConfigKey *> Configurable::config_keys(const ConfigKey *key)
 362 {
 363         GVariant *gvar_opts;
 364         gsize num_opts;
 365         const int32_t *opts;
 366         vector<const ConfigKey *> result;
 367
 368         check(sr_config_list(
 369                 config_driver, config_sdi, config_channel_group,
 370                 key->get_id(), &gvar_opts));
 371
 372         opts = (const int32_t *) g_variant_get_fixed_array(
 373                 gvar_opts, &num_opts, sizeof(int32_t));
 374
 375         for (gsize i = 0; i < num_opts; i++)
 376                 result.push_back(ConfigKey::get(opts[i]));
 377
 378         g_variant_unref(gvar_opts);
 379
 380         return result;
 381 }
 382
 383 bool Configurable::config_check(const ConfigKey *key,
 384         const ConfigKey *index_key)
 385 {
 386         GVariant *gvar_opts;
 387         gsize num_opts;
 388         const int32_t *opts;
 389
 390         if (sr_config_list(config_driver, config_sdi, config_channel_group,
 391                         index_key->get_id(), &gvar_opts) != SR_OK)
 392                 return false;
 393
 394         opts = (const int32_t *) g_variant_get_fixed_array(
 395                 gvar_opts, &num_opts, sizeof(int32_t));
 396
 397         for (gsize i = 0; i < num_opts; i++)
 398         {
 399                 if (opts[i] == key->get_id())
 400                 {
 401                         g_variant_unref(gvar_opts);
 402                         return true;
 403                 }
 404         }
 405
 406         g_variant_unref(gvar_opts);
 407
 408         return false;
 409 }
 410
 411 Device::Device(struct sr_dev_inst *structure) :
 412         Configurable(structure->driver, structure, NULL),
 413         structure(structure)
 414 {
 415         for (GSList *entry = structure->channels; entry; entry = entry->next)
 416         {
 417                 auto channel = (struct sr_channel *) entry->data;
 418                 channels[channel] = new Channel(channel);
 419         }
 420
 421         for (GSList *entry = structure->channel_groups; entry; entry = entry->next)
 422         {
 423                 auto group = (struct sr_channel_group *) entry->data;
 424                 channel_groups[group->name] = new ChannelGroup(this, group);
 425         }
 426 }
 427
 428 Device::~Device()
 429 {
 430         for (auto entry : channels)
 431                 delete entry.second;
 432         for (auto entry : channel_groups)
 433                 delete entry.second;
 434 }
 435
 436 string Device::get_description()
 437 {
 438         ostringstream s;
 439
 440         vector<string> parts =
 441                 {get_vendor(), get_model(), get_version()};
 442
 443         for (string part : parts)
 444                 if (part.length() > 0)
 445                         s << part;
 446
 447         return s.str();
 448 }
 449
 450 string Device::get_vendor()
 451 {
 452         return valid_string(structure->vendor);
 453 }
 454
 455 string Device::get_model()
 456 {
 457         return valid_string(structure->model);
 458 }
 459
 460 string Device::get_version()
 461 {
 462         return valid_string(structure->version);
 463 }
 464
 465 vector<shared_ptr<Channel>> Device::get_channels()
 466 {
 467         vector<shared_ptr<Channel>> result;
 468         for (auto entry : channels)
 469                 result.push_back(entry.second->get_shared_pointer(get_shared_from_this()));
 470         return result;
 471 }
 472
 473 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
 474 {
 475         return channels[ptr]->get_shared_pointer(get_shared_from_this());
 476 }
 477
 478 map<string, shared_ptr<ChannelGroup>>
 479 Device::get_channel_groups()
 480 {
 481         map<string, shared_ptr<ChannelGroup>> result;
 482         for (auto entry: channel_groups)
 483         {
 484                 auto name = entry.first;
 485                 auto channel_group = entry.second;
 486                 result[name] = channel_group->get_shared_pointer(get_shared_from_this());
 487         }
 488         return result;
 489 }
 490
 491 void Device::open()
 492 {
 493         check(sr_dev_open(structure));
 494 }
 495
 496 void Device::close()
 497 {
 498         check(sr_dev_close(structure));
 499 }
 500
 501 HardwareDevice::HardwareDevice(Driver *driver, struct sr_dev_inst *structure) :
 502         ParentOwned(structure),
 503         Device(structure),
 504         driver(driver)
 505 {
 506 }
 507
 508 HardwareDevice::~HardwareDevice()
 509 {
 510 }
 511
 512 shared_ptr<Device> HardwareDevice::get_shared_from_this()
 513 {
 514         return static_pointer_cast<Device>(shared_from_this());
 515 }
 516
 517 shared_ptr<Driver> HardwareDevice::get_driver()
 518 {
 519         return driver->get_shared_pointer(parent);
 520 }
 521
 522 Channel::Channel(struct sr_channel *structure) :
 523         ParentOwned(structure),
 524         type(ChannelType::get(structure->type))
 525 {
 526 }
 527
 528 Channel::~Channel()
 529 {
 530 }
 531
 532 string Channel::get_name()
 533 {
 534         return valid_string(structure->name);
 535 }
 536
 537 void Channel::set_name(string name)
 538 {
 539         check(sr_dev_channel_name_set(parent->structure, structure->index, name.c_str()));
 540 }
 541
 542 const ChannelType *Channel::get_type()
 543 {
 544         return ChannelType::get(structure->type);
 545 }
 546
 547 bool Channel::get_enabled()
 548 {
 549         return structure->enabled;
 550 }
 551
 552 void Channel::set_enabled(bool value)
 553 {
 554         check(sr_dev_channel_enable(parent->structure, structure->index, value));
 555 }
 556
 557 unsigned int Channel::get_index()
 558 {
 559         return structure->index;
 560 }
 561
 562 ChannelGroup::ChannelGroup(Device *device,
 563                 struct sr_channel_group *structure) :
 564         ParentOwned(structure),
 565         Configurable(device->structure->driver, device->structure, structure)
 566 {
 567         for (GSList *entry = structure->channels; entry; entry = entry->next)
 568                 channels.push_back(device->channels[(struct sr_channel *)entry->data]);
 569 }
 570
 571 ChannelGroup::~ChannelGroup()
 572 {
 573 }
 574
 575 string ChannelGroup::get_name()
 576 {
 577         return valid_string(structure->name);
 578 }
 579
 580 vector<shared_ptr<Channel>> ChannelGroup::get_channels()
 581 {
 582         vector<shared_ptr<Channel>> result;
 583         for (auto channel : channels)
 584                 result.push_back(channel->get_shared_pointer(parent));
 585         return result;
 586 }
 587
 588 Trigger::Trigger(shared_ptr<Context> context, string name) :
 589         UserOwned(sr_trigger_new(name.c_str())),
 590         context(context)
 591 {
 592         for (auto stage = structure->stages; stage; stage = stage->next)
 593                 stages.push_back(new TriggerStage((struct sr_trigger_stage *) stage->data));
 594 }
 595
 596 Trigger::~Trigger()
 597 {
 598         for (auto stage: stages)
 599                 delete stage;
 600
 601         sr_trigger_free(structure);
 602 }
 603
 604 string Trigger::get_name()
 605 {
 606         return structure->name;
 607 }
 608
 609 vector<shared_ptr<TriggerStage>> Trigger::get_stages()
 610 {
 611         vector<shared_ptr<TriggerStage>> result;
 612         for (auto stage : stages)
 613                 result.push_back(stage->get_shared_pointer(this));
 614         return result;
 615 }
 616
 617 shared_ptr<TriggerStage> Trigger::add_stage()
 618 {
 619         auto stage = new TriggerStage(sr_trigger_stage_add(structure));
 620         stages.push_back(stage);
 621         return stage->get_shared_pointer(this);
 622 }
 623
 624 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
 625         ParentOwned(structure)
 626 {
 627 }
 628
 629 TriggerStage::~TriggerStage()
 630 {
 631         for (auto match : matches)
 632                 delete match;
 633 }
 634
 635 int TriggerStage::get_number()
 636 {
 637         return structure->stage;
 638 }
 639
 640 vector<shared_ptr<TriggerMatch>> TriggerStage::get_matches()
 641 {
 642         vector<shared_ptr<TriggerMatch>> result;
 643         for (auto match : matches)
 644                 result.push_back(match->get_shared_pointer(this));
 645         return result;
 646 }
 647
 648 void TriggerStage::add_match(shared_ptr<Channel> channel, const TriggerMatchType *type, float value)
 649 {
 650         check(sr_trigger_match_add(structure, channel->structure, type->get_id(), value));
 651         matches.push_back(new TriggerMatch(
 652                 (struct sr_trigger_match *) g_slist_last(structure->matches)->data, channel));
 653 }
 654
 655 void TriggerStage::add_match(shared_ptr<Channel> channel, const TriggerMatchType *type)
 656 {
 657         add_match(channel, type, NAN);
 658 }
 659
 660 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure, shared_ptr<Channel> channel) :
 661         ParentOwned(structure), channel(channel)
 662 {
 663 }
 664
 665 TriggerMatch::~TriggerMatch()
 666 {
 667 }
 668
 669 shared_ptr<Channel> TriggerMatch::get_channel()
 670 {
 671         return channel;
 672 }
 673
 674 const TriggerMatchType *TriggerMatch::get_type()
 675 {
 676         return TriggerMatchType::get(structure->match);
 677 }
 678
 679 float TriggerMatch::get_value()
 680 {
 681         return structure->value;
 682 }
 683
 684 DatafeedCallbackData::DatafeedCallbackData(Session *session,
 685                 DatafeedCallbackFunction callback) :
 686         callback(callback), session(session)
 687 {
 688 }
 689
 690 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
 691         const struct sr_datafeed_packet *pkt)
 692 {
 693         auto device = session->devices[sdi];
 694         auto packet = shared_ptr<Packet>(new Packet(device, pkt), Packet::Deleter());
 695         callback(device, packet);
 696 }
 697
 698 SourceCallbackData::SourceCallbackData(shared_ptr<EventSource> source) :
 699         source(source)
 700 {
 701 }
 702
 703 bool SourceCallbackData::run(int revents)
 704 {
 705         return source->callback((Glib::IOCondition) revents);
 706 }
 707
 708 shared_ptr<EventSource> EventSource::create(int fd, Glib::IOCondition events,
 709         int timeout, SourceCallbackFunction callback)
 710 {
 711         auto result = new EventSource(timeout, callback);
 712         result->type = EventSource::SOURCE_FD;
 713         result->fd = fd;
 714         result->events = events;
 715         return shared_ptr<EventSource>(result, EventSource::Deleter());
 716 }
 717
 718 shared_ptr<EventSource> EventSource::create(Glib::PollFD pollfd, int timeout,
 719         SourceCallbackFunction callback)
 720 {
 721         auto result = new EventSource(timeout, callback);
 722         result->type = EventSource::SOURCE_POLLFD;
 723         result->pollfd = pollfd;
 724         return shared_ptr<EventSource>(result, EventSource::Deleter());
 725 }
 726
 727 shared_ptr<EventSource> EventSource::create(Glib::RefPtr<Glib::IOChannel> channel,
 728         Glib::IOCondition events, int timeout, SourceCallbackFunction callback)
 729 {
 730         auto result = new EventSource(timeout, callback);
 731         result->type = EventSource::SOURCE_IOCHANNEL;
 732         result->channel = channel;
 733         result->events = events;
 734         return shared_ptr<EventSource>(result, EventSource::Deleter());
 735 }
 736
 737 EventSource::EventSource(int timeout, SourceCallbackFunction callback) :
 738         timeout(timeout), callback(callback)
 739 {
 740 }
 741
 742 EventSource::~EventSource()
 743 {
 744 }
 745
 746 Session::Session(shared_ptr<Context> context) :
 747         UserOwned(structure),
 748         context(context), saving(false)
 749 {
 750         check(sr_session_new(&structure));
 751         context->session = this;
 752 }
 753
 754 Session::Session(shared_ptr<Context> context, string filename) :
 755         UserOwned(structure),
 756         context(context), saving(false)
 757 {
 758         check(sr_session_load(filename.c_str(), &structure));
 759         context->session = this;
 760 }
 761
 762 Session::~Session()
 763 {
 764         check(sr_session_destroy(structure));
 765
 766         for (auto callback : datafeed_callbacks)
 767                 delete callback;
 768
 769         for (auto entry : source_callbacks)
 770                 delete entry.second;
 771 }
 772
 773 void Session::add_device(shared_ptr<Device> device)
 774 {
 775         check(sr_session_dev_add(structure, device->structure));
 776         devices[device->structure] = device;
 777 }
 778
 779 vector<shared_ptr<Device>> Session::get_devices()
 780 {
 781         GSList *dev_list;
 782         check(sr_session_dev_list(structure, &dev_list));
 783         vector<shared_ptr<Device>> result;
 784         for (GSList *dev = dev_list; dev; dev = dev->next)
 785         {
 786                 auto sdi = (struct sr_dev_inst *) dev->data;
 787                 result.push_back(devices[sdi]);
 788         }
 789         return result;
 790 }
 791
 792 void Session::remove_devices()
 793 {
 794         devices.clear();
 795         check(sr_session_dev_remove_all(structure));
 796 }
 797
 798 void Session::start()
 799 {
 800         check(sr_session_start(structure));
 801 }
 802
 803 void Session::run()
 804 {
 805         check(sr_session_run(structure));
 806 }
 807
 808 void Session::stop()
 809 {
 810         check(sr_session_stop(structure));
 811 }
 812
 813 void Session::begin_save(string filename)
 814 {
 815         saving = true;
 816         save_initialized = false;
 817         save_filename = filename;
 818         save_samplerate = 0;
 819 }
 820
 821 void Session::append(shared_ptr<Packet> packet)
 822 {
 823         if (!saving)
 824                 throw Error(SR_ERR);
 825
 826         switch (packet->structure->type)
 827         {
 828                 case SR_DF_META:
 829                 {
 830                         auto meta = (const struct sr_datafeed_meta *)
 831                                 packet->structure->payload;
 832
 833                         for (auto l = meta->config; l; l = l->next)
 834                         {
 835                                 auto config = (struct sr_config *) l->data;
 836                                 if (config->key == SR_CONF_SAMPLERATE)
 837                                         save_samplerate = g_variant_get_uint64(config->data);
 838                         }
 839
 840                         break;
 841                 }
 842                 case SR_DF_LOGIC:
 843                 {
 844                         if (save_samplerate == 0)
 845                         {
 846                                 GVariant *samplerate;
 847
 848                                 check(sr_config_get(packet->device->structure->driver,
 849                                         packet->device->structure, NULL, SR_CONF_SAMPLERATE,
 850                                         &samplerate));
 851
 852                                 save_samplerate = g_variant_get_uint64(samplerate);
 853
 854                                 g_variant_unref(samplerate);
 855                         }
 856
 857                         if (!save_initialized)
 858                         {
 859                                 vector<shared_ptr<Channel>> save_channels;
 860
 861                                 for (auto channel : packet->device->get_channels())
 862                                         if (channel->structure->enabled &&
 863                                                         channel->structure->type == SR_CHANNEL_LOGIC)
 864                                                 save_channels.push_back(channel);
 865
 866                                 auto channels = g_new(char *, save_channels.size());
 867
 868                                 int i = 0;
 869                                 for (auto channel : save_channels)
 870                                                 channels[i++] = channel->structure->name;
 871                                 channels[i] = NULL;
 872
 873                                 int ret = sr_session_save_init(structure, save_filename.c_str(),
 874                                                 save_samplerate, channels);
 875
 876                                 g_free(channels);
 877
 878                                 if (ret != SR_OK)
 879                                         throw Error(ret);
 880
 881                                 save_initialized = true;
 882                         }
 883
 884                         auto logic = (const struct sr_datafeed_logic *)
 885                                 packet->structure->payload;
 886
 887                         check(sr_session_append(structure, save_filename.c_str(),
 888                                 (uint8_t *) logic->data, logic->unitsize,
 889                                 logic->length / logic->unitsize));
 890                 }
 891         }
 892 }
 893
 894 void Session::append(void *data, size_t length, unsigned int unit_size)
 895 {
 896         check(sr_session_append(structure, save_filename.c_str(),
 897                 (uint8_t *) data, unit_size, length));
 898 }
 899
 900 static void datafeed_callback(const struct sr_dev_inst *sdi,
 901         const struct sr_datafeed_packet *pkt, void *cb_data)
 902 {
 903         auto callback = static_cast<DatafeedCallbackData *>(cb_data);
 904         callback->run(sdi, pkt);
 905 }
 906
 907 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
 908 {
 909         auto cb_data = new DatafeedCallbackData(this, callback);
 910         check(sr_session_datafeed_callback_add(structure, datafeed_callback, cb_data));
 911         datafeed_callbacks.push_back(cb_data);
 912 }
 913
 914 void Session::remove_datafeed_callbacks(void)
 915 {
 916         check(sr_session_datafeed_callback_remove_all(structure));
 917         for (auto callback : datafeed_callbacks)
 918                 delete callback;
 919         datafeed_callbacks.clear();
 920 }
 921
 922 static int source_callback(int fd, int revents, void *cb_data)
 923 {
 924         (void) fd;
 925         auto callback = (SourceCallbackData *) cb_data;
 926         return callback->run(revents);
 927 }
 928
 929 void Session::add_source(shared_ptr<EventSource> source)
 930 {
 931         if (source_callbacks.count(source) == 1)
 932                 throw Error(SR_ERR_ARG);
 933
 934         auto cb_data = new SourceCallbackData(source);
 935
 936         switch (source->type)
 937         {
 938                 case EventSource::SOURCE_FD:
 939                         check(sr_session_source_add(structure, source->fd, source->events,
 940                                 source->timeout, source_callback, cb_data));
 941                         break;
 942                 case EventSource::SOURCE_POLLFD:
 943                         check(sr_session_source_add_pollfd(structure,
 944                                 source->pollfd.gobj(), source->timeout, source_callback,
 945                                 cb_data));
 946                         break;
 947                 case EventSource::SOURCE_IOCHANNEL:
 948                         check(sr_session_source_add_channel(structure,
 949                                 source->channel->gobj(), source->events, source->timeout,
 950                                 source_callback, cb_data));
 951                         break;
 952         }
 953
 954         source_callbacks[source] = cb_data;
 955 }
 956
 957 void Session::remove_source(shared_ptr<EventSource> source)
 958 {
 959         if (source_callbacks.count(source) == 0)
 960                 throw Error(SR_ERR_ARG);
 961
 962         switch (source->type)
 963         {
 964                 case EventSource::SOURCE_FD:
 965                         check(sr_session_source_remove(structure, source->fd));
 966                         break;
 967                 case EventSource::SOURCE_POLLFD:
 968                         check(sr_session_source_remove_pollfd(structure,
 969                                 source->pollfd.gobj()));
 970                         break;
 971                 case EventSource::SOURCE_IOCHANNEL:
 972                         check(sr_session_source_remove_channel(structure,
 973                                 source->channel->gobj()));
 974                         break;
 975         }
 976
 977         delete source_callbacks[source];
 978
 979         source_callbacks.erase(source);
 980 }
 981
 982 shared_ptr<Trigger> Session::get_trigger()
 983 {
 984         return trigger;
 985 }
 986
 987 void Session::set_trigger(shared_ptr<Trigger> trigger)
 988 {
 989         check(sr_session_trigger_set(structure, trigger->structure));
 990         this->trigger = trigger;
 991 }
 992
 993 Packet::Packet(shared_ptr<Device> device,
 994         const struct sr_datafeed_packet *structure) :
 995         UserOwned(structure),
 996         device(device)
 997 {
 998         switch (structure->type)
 999         {
1000                 case SR_DF_HEADER:
1001                         payload = new Header(
1002                                 static_cast<const struct sr_datafeed_header *>(
1003                                         structure->payload));
1004                         break;
1005                 case SR_DF_META:
1006                         payload = new Meta(
1007                                 static_cast<const struct sr_datafeed_meta *>(
1008                                         structure->payload));
1009                         break;
1010                 case SR_DF_LOGIC:
1011                         payload = new Logic(
1012                                 static_cast<const struct sr_datafeed_logic *>(
1013                                         structure->payload));
1014                         break;
1015                 case SR_DF_ANALOG:
1016                         payload = new Analog(
1017                                 static_cast<const struct sr_datafeed_analog *>(
1018                                         structure->payload));
1019                         break;
1020                 default:
1021                         payload = nullptr;
1022                         break;
1023         }
1024 }
1025
1026 Packet::~Packet()
1027 {
1028         if (payload)
1029                 delete payload;
1030 }
1031
1032 const PacketType *Packet::get_type()
1033 {
1034         return PacketType::get(structure->type);
1035 }
1036
1037 shared_ptr<PacketPayload> Packet::get_payload()
1038 {
1039         if (payload)
1040                 return payload->get_shared_pointer(this);
1041         else
1042                 throw Error(SR_ERR_NA);
1043 }
1044
1045 PacketPayload::PacketPayload()
1046 {
1047 }
1048
1049 PacketPayload::~PacketPayload()
1050 {
1051 }
1052
1053 Header::Header(const struct sr_datafeed_header *structure) :
1054         ParentOwned(structure),
1055         PacketPayload()
1056 {
1057 }
1058
1059 Header::~Header()
1060 {
1061 }
1062
1063 shared_ptr<PacketPayload> Header::get_shared_pointer(Packet *parent)
1064 {
1065         return static_pointer_cast<PacketPayload>(
1066                 ParentOwned::get_shared_pointer(parent));
1067 }
1068
1069 int Header::get_feed_version()
1070 {
1071         return structure->feed_version;
1072 }
1073
1074 Glib::TimeVal Header::get_start_time()
1075 {
1076         return Glib::TimeVal(
1077                 structure->starttime.tv_sec,
1078                 structure->starttime.tv_usec);
1079 }
1080
1081 Meta::Meta(const struct sr_datafeed_meta *structure) :
1082         ParentOwned(structure),
1083         PacketPayload()
1084 {
1085 }
1086
1087 Meta::~Meta()
1088 {
1089 }
1090
1091 shared_ptr<PacketPayload> Meta::get_shared_pointer(Packet *parent)
1092 {
1093         return static_pointer_cast<PacketPayload>(
1094                 ParentOwned::get_shared_pointer(parent));
1095 }
1096
1097 map<const ConfigKey *, Glib::VariantBase> Meta::get_config()
1098 {
1099         map<const ConfigKey *, Glib::VariantBase> result;
1100         for (auto l = structure->config; l; l = l->next)
1101         {
1102                 auto config = (struct sr_config *) l->data;
1103                 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data);
1104         }
1105         return result;
1106 }
1107
1108 Logic::Logic(const struct sr_datafeed_logic *structure) :
1109         ParentOwned(structure),
1110         PacketPayload()
1111 {
1112 }
1113
1114 Logic::~Logic()
1115 {
1116 }
1117
1118 shared_ptr<PacketPayload> Logic::get_shared_pointer(Packet *parent)
1119 {
1120         return static_pointer_cast<PacketPayload>(
1121                 ParentOwned::get_shared_pointer(parent));
1122 }
1123
1124 void *Logic::get_data_pointer()
1125 {
1126         return structure->data;
1127 }
1128
1129 size_t Logic::get_data_length()
1130 {
1131         return structure->length;
1132 }
1133
1134 unsigned int Logic::get_unit_size()
1135 {
1136         return structure->unitsize;
1137 }
1138
1139 Analog::Analog(const struct sr_datafeed_analog *structure) :
1140         ParentOwned(structure),
1141         PacketPayload()
1142 {
1143 }
1144
1145 Analog::~Analog()
1146 {
1147 }
1148
1149 shared_ptr<PacketPayload> Analog::get_shared_pointer(Packet *parent)
1150 {
1151         return static_pointer_cast<PacketPayload>(
1152                 ParentOwned::get_shared_pointer(parent));
1153 }
1154
1155 float *Analog::get_data_pointer()
1156 {
1157         return structure->data;
1158 }
1159
1160 unsigned int Analog::get_num_samples()
1161 {
1162         return structure->num_samples;
1163 }
1164
1165 vector<shared_ptr<Channel>> Analog::get_channels()
1166 {
1167         vector<shared_ptr<Channel>> result;
1168         for (auto l = structure->channels; l; l = l->next)
1169                 result.push_back(parent->device->get_channel(
1170                         (struct sr_channel *)l->data));
1171         return result;
1172 }
1173
1174 const Quantity *Analog::get_mq()
1175 {
1176         return Quantity::get(structure->mq);
1177 }
1178
1179 const Unit *Analog::get_unit()
1180 {
1181         return Unit::get(structure->unit);
1182 }
1183
1184 vector<const QuantityFlag *> Analog::get_mq_flags()
1185 {
1186         return QuantityFlag::flags_from_mask(structure->mqflags);
1187 }
1188
1189 InputFormat::InputFormat(const struct sr_input_module *structure) :
1190         ParentOwned(structure)
1191 {
1192 }
1193
1194 InputFormat::~InputFormat()
1195 {
1196 }
1197
1198 string InputFormat::get_name()
1199 {
1200         return valid_string(sr_input_id_get(structure));
1201 }
1202
1203 string InputFormat::get_description()
1204 {
1205         return valid_string(sr_input_description_get(structure));
1206 }
1207
1208 map<string, shared_ptr<Option>> InputFormat::get_options()
1209 {
1210         const struct sr_option **options = sr_input_options_get(structure);
1211         auto option_array = shared_ptr<const struct sr_option *>(
1212                 options, sr_input_options_free);
1213         map<string, shared_ptr<Option>> result;
1214         for (int i = 0; options[i]; i++)
1215                 result[options[i]->id] = shared_ptr<Option>(
1216                         new Option(options[i], option_array), Option::Deleter());
1217         return result;
1218 }
1219
1220 shared_ptr<Input> InputFormat::create_input(
1221         map<string, Glib::VariantBase> options)
1222 {
1223         auto input = sr_input_new(structure, map_to_hash_variant(options));
1224         if (!input)
1225                 throw Error(SR_ERR_ARG);
1226         return shared_ptr<Input>(
1227                 new Input(parent->shared_from_this(), input), Input::Deleter());
1228 }
1229
1230 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1231         UserOwned(structure),
1232         context(context),
1233         device(nullptr)
1234 {
1235 }
1236
1237 shared_ptr<InputDevice> Input::get_device()
1238 {
1239         if (!device)
1240         {
1241                 auto sdi = sr_input_dev_inst_get(structure);
1242                 if (!sdi)
1243                         throw Error(SR_ERR_NA);
1244                 device = new InputDevice(shared_from_this(), sdi);
1245         }
1246
1247         return device->get_shared_pointer(shared_from_this());
1248 }
1249
1250 void Input::send(string data)
1251 {
1252         auto gstr = g_string_new(data.c_str());
1253         auto ret = sr_input_send(structure, gstr);
1254         g_string_free(gstr, false);
1255         check(ret);
1256 }
1257
1258 Input::~Input()
1259 {
1260         if (device)
1261                 delete device;
1262         check(sr_input_free(structure));
1263 }
1264
1265 InputDevice::InputDevice(shared_ptr<Input> input,
1266                 struct sr_dev_inst *structure) :
1267         ParentOwned(structure),
1268         Device(structure),
1269         input(input)
1270 {
1271 }
1272
1273 InputDevice::~InputDevice()
1274 {
1275 }
1276
1277 shared_ptr<Device> InputDevice::get_shared_from_this()
1278 {
1279         return static_pointer_cast<Device>(shared_from_this());
1280 }
1281
1282 Option::Option(const struct sr_option *structure,
1283                 shared_ptr<const struct sr_option *> structure_array) :
1284         UserOwned(structure),
1285         structure_array(structure_array)
1286 {
1287 }
1288
1289 Option::~Option()
1290 {
1291 }
1292
1293 string Option::get_id()
1294 {
1295         return valid_string(structure->id);
1296 }
1297
1298 string Option::get_name()
1299 {
1300         return valid_string(structure->name);
1301 }
1302
1303 string Option::get_description()
1304 {
1305         return valid_string(structure->desc);
1306 }
1307
1308 Glib::VariantBase Option::get_default_value()
1309 {
1310         return Glib::VariantBase(structure->def, true);
1311 }
1312
1313 vector<Glib::VariantBase> Option::get_values()
1314 {
1315         vector<Glib::VariantBase> result;
1316         for (auto l = structure->values; l; l = l->next)
1317                 result.push_back(Glib::VariantBase((GVariant *) l->data, true));
1318         return result;
1319 }
1320
1321 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1322         ParentOwned(structure)
1323 {
1324 }
1325
1326 OutputFormat::~OutputFormat()
1327 {
1328 }
1329
1330 string OutputFormat::get_name()
1331 {
1332         return valid_string(sr_output_id_get(structure));
1333 }
1334
1335 string OutputFormat::get_description()
1336 {
1337         return valid_string(sr_output_description_get(structure));
1338 }
1339
1340 map<string, shared_ptr<Option>> OutputFormat::get_options()
1341 {
1342         const struct sr_option **options = sr_output_options_get(structure);
1343         auto option_array = shared_ptr<const struct sr_option *>(
1344                 options, sr_output_options_free);
1345         map<string, shared_ptr<Option>> result;
1346         for (int i = 0; options[i]; i++)
1347                 result[options[i]->id] = shared_ptr<Option>(
1348                         new Option(options[i], option_array), Option::Deleter());
1349         return result;
1350 }
1351
1352 shared_ptr<Output> OutputFormat::create_output(
1353         shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1354 {
1355         return shared_ptr<Output>(
1356                 new Output(shared_from_this(), device, options),
1357                 Output::Deleter());
1358 }
1359
1360 Output::Output(shared_ptr<OutputFormat> format,
1361                 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1362         UserOwned(sr_output_new(format->structure,
1363                 map_to_hash_variant(options), device->structure)),
1364         format(format), device(device), options(options)
1365 {
1366 }
1367
1368 Output::~Output()
1369 {
1370         check(sr_output_free(structure));
1371 }
1372
1373 string Output::receive(shared_ptr<Packet> packet)
1374 {
1375         GString *out;
1376         check(sr_output_send(structure, packet->structure, &out));
1377         if (out)
1378         {
1379                 auto result = string(out->str, out->str + out->len);
1380                 g_string_free(out, true);
1381                 return result;
1382         }
1383         else
1384         {
1385                 return string();
1386         }
1387 }
1388
1389 #include "enums.cpp"
1390
1391 }