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 /* Needed for isascii(), as used in the GNU libstdc++ headers */
  21 #ifndef _XOPEN_SOURCE
  22 #define _XOPEN_SOURCE 600
  23 #endif
  24
  25 #include <config.h>
  26 #include <libsigrokcxx/libsigrokcxx.hpp>
  27
  28 #include <sstream>
  29 #include <cmath>
  30
  31 namespace sigrok
  32 {
  33
  34 /** Helper function to translate C errors to C++ exceptions. */
  35 static void check(int result)
  36 {
  37         if (result != SR_OK)
  38                 throw Error(result);
  39 }
  40
  41 /** Helper function to obtain valid strings from possibly null input. */
  42 static const char *valid_string(const char *input)
  43 {
  44         if (input != NULL)
  45                 return input;
  46         else
  47                 return "";
  48 }
  49
  50 /** Helper function to convert between map<string, VariantBase> and GHashTable */
  51 static GHashTable *map_to_hash_variant(map<string, Glib::VariantBase> input)
  52 {
  53         auto output = g_hash_table_new_full(
  54                 g_str_hash, g_str_equal, g_free, (GDestroyNotify) g_variant_unref);
  55         for (auto entry : input)
  56                 g_hash_table_insert(output,
  57                         g_strdup(entry.first.c_str()),
  58                         entry.second.gobj_copy());
  59     return output;
  60 }
  61
  62 Error::Error(int result) : result(result)
  63 {
  64 }
  65
  66 const char *Error::what() const throw()
  67 {
  68         return sr_strerror(result);
  69 }
  70
  71 Error::~Error() throw()
  72 {
  73 }
  74
  75 ResourceReader::~ResourceReader()
  76 {
  77 }
  78
  79 SR_PRIV int ResourceReader::open_callback(struct sr_resource *res,
  80                 const char *name, void *cb_data)
  81 {
  82         try {
  83                 auto *const reader = static_cast<ResourceReader*>(cb_data);
  84                 reader->open(res, name);
  85         } catch (const Error &err) {
  86                 return err.result;
  87         } catch (...) {
  88                 return SR_ERR;
  89         }
  90         return SR_OK;
  91 }
  92
  93 SR_PRIV int ResourceReader::close_callback(struct sr_resource *res, void *cb_data)
  94 {
  95         try {
  96                 auto *const reader = static_cast<ResourceReader*>(cb_data);
  97                 reader->close(res);
  98         } catch (const Error &err) {
  99                 return err.result;
 100         } catch (...) {
 101                 return SR_ERR;
 102         }
 103         return SR_OK;
 104 }
 105
 106 SR_PRIV ssize_t ResourceReader::read_callback(const struct sr_resource *res,
 107                 void *buf, size_t count, void *cb_data)
 108 {
 109         try {
 110                 auto *const reader = static_cast<ResourceReader*>(cb_data);
 111                 return reader->read(res, buf, count);
 112         } catch (const Error &err) {
 113                 return err.result;
 114         } catch (...) {
 115                 return SR_ERR;
 116         }
 117 }
 118
 119 shared_ptr<Context> Context::create()
 120 {
 121         return shared_ptr<Context>(new Context(), Context::Deleter());
 122 }
 123
 124 Context::Context() :
 125         UserOwned(_structure),
 126         _session(NULL)
 127 {
 128         check(sr_init(&_structure));
 129
 130         struct sr_dev_driver **driver_list = sr_driver_list(_structure);
 131         if (driver_list)
 132                 for (int i = 0; driver_list[i]; i++)
 133                         _drivers[driver_list[i]->name] =
 134                                 new Driver(driver_list[i]);
 135         const struct sr_input_module **input_list = sr_input_list();
 136         if (input_list)
 137                 for (int i = 0; input_list[i]; i++)
 138                         _input_formats[sr_input_id_get(input_list[i])] =
 139                                 new InputFormat(input_list[i]);
 140         const struct sr_output_module **output_list = sr_output_list();
 141         if (output_list)
 142                 for (int i = 0; output_list[i]; i++)
 143                         _output_formats[sr_output_id_get(output_list[i])] =
 144                                 new OutputFormat(output_list[i]);
 145 }
 146
 147 string Context::package_version()
 148 {
 149         return sr_package_version_string_get();
 150 }
 151
 152 string Context::lib_version()
 153 {
 154         return sr_lib_version_string_get();
 155 }
 156
 157 map<string, shared_ptr<Driver>> Context::drivers()
 158 {
 159         map<string, shared_ptr<Driver>> result;
 160         for (auto entry: _drivers)
 161         {
 162                 auto name = entry.first;
 163                 auto driver = entry.second;
 164                 result[name] = driver->get_shared_pointer(this);
 165         }
 166         return result;
 167 }
 168
 169 map<string, shared_ptr<InputFormat>> Context::input_formats()
 170 {
 171         map<string, shared_ptr<InputFormat>> result;
 172         for (auto entry: _input_formats)
 173         {
 174                 auto name = entry.first;
 175                 auto input_format = entry.second;
 176                 result[name] = input_format->get_shared_pointer(this);
 177         }
 178         return result;
 179 }
 180
 181 map<string, shared_ptr<OutputFormat>> Context::output_formats()
 182 {
 183         map<string, shared_ptr<OutputFormat>> result;
 184         for (auto entry: _output_formats)
 185         {
 186                 auto name = entry.first;
 187                 auto output_format = entry.second;
 188                 result[name] = output_format->get_shared_pointer(this);
 189         }
 190         return result;
 191 }
 192
 193 Context::~Context()
 194 {
 195         for (auto entry : _drivers)
 196                 delete entry.second;
 197         for (auto entry : _input_formats)
 198                 delete entry.second;
 199         for (auto entry : _output_formats)
 200                 delete entry.second;
 201         check(sr_exit(_structure));
 202 }
 203
 204 const LogLevel *Context::log_level()
 205 {
 206         return LogLevel::get(sr_log_loglevel_get());
 207 }
 208
 209 void Context::set_log_level(const LogLevel *level)
 210 {
 211         check(sr_log_loglevel_set(level->id()));
 212 }
 213
 214 static int call_log_callback(void *cb_data, int loglevel, const char *format, va_list args)
 215 {
 216         va_list args_copy;
 217         va_copy(args_copy, args);
 218         int length = vsnprintf(NULL, 0, format, args_copy);
 219         va_end(args_copy);
 220         char *buf = (char *) g_malloc(length + 1);
 221         vsprintf(buf, format, args);
 222         string message(buf, length);
 223         g_free(buf);
 224
 225         LogCallbackFunction callback = *((LogCallbackFunction *) cb_data);
 226
 227         try
 228         {
 229                 callback(LogLevel::get(loglevel), message);
 230         }
 231         catch (Error e)
 232         {
 233                 return e.result;
 234         }
 235
 236         return SR_OK;
 237 }
 238
 239 void Context::set_log_callback(LogCallbackFunction callback)
 240 {
 241         _log_callback = callback;
 242         check(sr_log_callback_set(call_log_callback, &_log_callback));
 243 }
 244
 245 void Context::set_log_callback_default()
 246 {
 247         check(sr_log_callback_set_default());
 248         _log_callback = nullptr;
 249 }
 250
 251 void Context::set_resource_reader(ResourceReader *reader)
 252 {
 253         if (reader) {
 254                 check(sr_resource_set_hooks(_structure,
 255                                 &ResourceReader::open_callback,
 256                                 &ResourceReader::close_callback,
 257                                 &ResourceReader::read_callback, reader));
 258         } else {
 259                 check(sr_resource_set_hooks(_structure,
 260                                 nullptr, nullptr, nullptr, nullptr));
 261         }
 262 }
 263
 264 shared_ptr<Session> Context::create_session()
 265 {
 266         return shared_ptr<Session>(
 267                 new Session(shared_from_this()), Session::Deleter());
 268 }
 269
 270 shared_ptr<UserDevice> Context::create_user_device(
 271                 string vendor, string model, string version)
 272 {
 273         return shared_ptr<UserDevice>(
 274                 new UserDevice(vendor, model, version), UserDevice::Deleter());
 275 }
 276
 277 shared_ptr<Packet> Context::create_header_packet(Glib::TimeVal start_time)
 278 {
 279         auto header = g_new(struct sr_datafeed_header, 1);
 280         header->feed_version = 1;
 281         header->starttime.tv_sec = start_time.tv_sec;
 282         header->starttime.tv_usec = start_time.tv_usec;
 283         auto packet = g_new(struct sr_datafeed_packet, 1);
 284         packet->type = SR_DF_HEADER;
 285         packet->payload = header;
 286         return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
 287 }
 288
 289 shared_ptr<Packet> Context::create_meta_packet(
 290         map<const ConfigKey *, Glib::VariantBase> config)
 291 {
 292         auto meta = g_new0(struct sr_datafeed_meta, 1);
 293         for (auto input : config)
 294         {
 295                 auto key = input.first;
 296                 auto value = input.second;
 297                 auto output = g_new(struct sr_config, 1);
 298                 output->key = key->id();
 299                 output->data = value.gobj();
 300                 g_variant_ref(output->data);
 301                 meta->config = g_slist_append(meta->config, output);
 302         }
 303         auto packet = g_new(struct sr_datafeed_packet, 1);
 304         packet->type = SR_DF_META;
 305         packet->payload = meta;
 306         return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
 307 }
 308
 309 shared_ptr<Packet> Context::create_logic_packet(
 310         void *data_pointer, size_t data_length, unsigned int unit_size)
 311 {
 312         auto logic = g_new(struct sr_datafeed_logic, 1);
 313         logic->length = data_length;
 314         logic->unitsize = unit_size;
 315         logic->data = data_pointer;
 316         auto packet = g_new(struct sr_datafeed_packet, 1);
 317         packet->type = SR_DF_LOGIC;
 318         packet->payload = logic;
 319         return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
 320 }
 321
 322 shared_ptr<Packet> Context::create_analog_packet(
 323         vector<shared_ptr<Channel> > channels,
 324         float *data_pointer, unsigned int num_samples, const Quantity *mq,
 325         const Unit *unit, vector<const QuantityFlag *> mqflags)
 326 {
 327         auto analog = g_new0(struct sr_datafeed_analog, 1);
 328         auto meaning = g_new0(struct sr_analog_meaning, 1);
 329
 330         analog->meaning = meaning;
 331
 332         for (auto channel : channels)
 333                 meaning->channels = g_slist_append(meaning->channels, channel->_structure);
 334         analog->num_samples = num_samples;
 335         meaning->mq = (sr_mq)mq->id();
 336         meaning->unit = (sr_unit)unit->id();
 337         meaning->mqflags = (sr_mqflag)QuantityFlag::mask_from_flags(mqflags);
 338         analog->data = data_pointer;
 339         auto packet = g_new(struct sr_datafeed_packet, 1);
 340         packet->type = SR_DF_ANALOG;
 341         packet->payload = analog;
 342         return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
 343 }
 344
 345 shared_ptr<Session> Context::load_session(string filename)
 346 {
 347         return shared_ptr<Session>(
 348                 new Session(shared_from_this(), filename), Session::Deleter());
 349 }
 350
 351 shared_ptr<Trigger> Context::create_trigger(string name)
 352 {
 353         return shared_ptr<Trigger>(
 354                 new Trigger(shared_from_this(), name), Trigger::Deleter());
 355 }
 356
 357 shared_ptr<Input> Context::open_file(string filename)
 358 {
 359         const struct sr_input *input;
 360
 361         check(sr_input_scan_file(filename.c_str(), &input));
 362         return shared_ptr<Input>(
 363                 new Input(shared_from_this(), input), Input::Deleter());
 364 }
 365
 366 shared_ptr<Input> Context::open_stream(string header)
 367 {
 368         const struct sr_input *input;
 369
 370         auto gstr = g_string_new(header.c_str());
 371         auto ret = sr_input_scan_buffer(gstr, &input);
 372         g_string_free(gstr, true);
 373         check(ret);
 374         return shared_ptr<Input>(
 375                 new Input(shared_from_this(), input), Input::Deleter());
 376 }
 377
 378 map<string, string> Context::serials(shared_ptr<Driver> driver)
 379 {
 380         GSList *serial_list = sr_serial_list(driver ? driver->_structure : NULL);
 381         map<string, string> serials;
 382
 383         for (GSList *serial = serial_list; serial; serial = serial->next) {
 384                 struct sr_serial_port *port = (sr_serial_port *) serial->data;
 385                 serials[string(port->name)] = string(port->description);
 386         }
 387
 388         g_slist_free_full(serial_list, (GDestroyNotify)sr_serial_free);
 389         return serials;
 390 }
 391
 392 Driver::Driver(struct sr_dev_driver *structure) :
 393         ParentOwned(structure),
 394         Configurable(structure, NULL, NULL),
 395         _initialized(false)
 396 {
 397 }
 398
 399 Driver::~Driver()
 400 {
 401 }
 402
 403 string Driver::name()
 404 {
 405         return valid_string(_structure->name);
 406 }
 407
 408 string Driver::long_name()
 409 {
 410         return valid_string(_structure->longname);
 411 }
 412
 413 vector<shared_ptr<HardwareDevice>> Driver::scan(
 414         map<const ConfigKey *, Glib::VariantBase> options)
 415 {
 416         /* Initialise the driver if not yet done. */
 417         if (!_initialized)
 418         {
 419                 check(sr_driver_init(_parent->_structure, _structure));
 420                 _initialized = true;
 421         }
 422
 423         /* Translate scan options to GSList of struct sr_config pointers. */
 424         GSList *option_list = NULL;
 425         for (auto entry : options)
 426         {
 427                 auto key = entry.first;
 428                 auto value = entry.second;
 429                 auto config = g_new(struct sr_config, 1);
 430                 config->key = key->id();
 431                 config->data = value.gobj();
 432                 option_list = g_slist_append(option_list, config);
 433         }
 434
 435         /* Run scan. */
 436         GSList *device_list = sr_driver_scan(_structure, option_list);
 437
 438         /* Free option list. */
 439         g_slist_free_full(option_list, g_free);
 440
 441
 442         /* Create device objects. */
 443         vector<shared_ptr<HardwareDevice>> result;
 444         for (GSList *device = device_list; device; device = device->next)
 445         {
 446                 auto sdi = (struct sr_dev_inst *) device->data;
 447                 result.push_back(shared_ptr<HardwareDevice>(
 448                         new HardwareDevice(shared_from_this(), sdi),
 449                         HardwareDevice::Deleter()));
 450         }
 451
 452         /* Free GSList returned from scan. */
 453         g_slist_free(device_list);
 454
 455         return result;
 456 }
 457
 458 Configurable::Configurable(
 459                 struct sr_dev_driver *driver,
 460                 struct sr_dev_inst *sdi,
 461                 struct sr_channel_group *cg) :
 462         config_driver(driver),
 463         config_sdi(sdi),
 464         config_channel_group(cg)
 465 {
 466 }
 467
 468 Configurable::~Configurable()
 469 {
 470 }
 471
 472 Glib::VariantBase Configurable::config_get(const ConfigKey *key)
 473 {
 474         GVariant *data;
 475         check(sr_config_get(
 476                 config_driver, config_sdi, config_channel_group,
 477                 key->id(), &data));
 478         return Glib::VariantBase(data);
 479 }
 480
 481 void Configurable::config_set(const ConfigKey *key, Glib::VariantBase value)
 482 {
 483         check(sr_config_set(
 484                 config_sdi, config_channel_group,
 485                 key->id(), value.gobj()));
 486 }
 487
 488 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key)
 489 {
 490         GVariant *data;
 491         check(sr_config_list(
 492                 config_driver, config_sdi, config_channel_group,
 493                 key->id(), &data));
 494         return Glib::VariantContainerBase(data);
 495 }
 496
 497 map<const ConfigKey *, set<Capability>> Configurable::config_keys(const ConfigKey *key)
 498 {
 499         GVariant *gvar_opts;
 500         gsize num_opts;
 501         const uint32_t *opts;
 502         map<const ConfigKey *, set<Capability>> result;
 503
 504         check(sr_config_list(
 505                 config_driver, config_sdi, config_channel_group,
 506                 key->id(), &gvar_opts));
 507
 508         opts = (const uint32_t *) g_variant_get_fixed_array(
 509                 gvar_opts, &num_opts, sizeof(uint32_t));
 510
 511         for (gsize i = 0; i < num_opts; i++)
 512         {
 513                 auto key = ConfigKey::get(opts[i] & SR_CONF_MASK);
 514                 set<Capability> capabilities;
 515                 if (opts[i] & SR_CONF_GET)
 516                         capabilities.insert(GET);
 517                 if (opts[i] & SR_CONF_SET)
 518                         capabilities.insert(SET);
 519                 if (opts[i] & SR_CONF_LIST)
 520                         capabilities.insert(LIST);
 521                 result[key] = capabilities;
 522         }
 523
 524         g_variant_unref(gvar_opts);
 525
 526         return result;
 527 }
 528
 529 bool Configurable::config_check(const ConfigKey *key,
 530         const ConfigKey *index_key)
 531 {
 532         GVariant *gvar_opts;
 533         gsize num_opts;
 534         const uint32_t *opts;
 535
 536         if (sr_config_list(config_driver, config_sdi, config_channel_group,
 537                         index_key->id(), &gvar_opts) != SR_OK)
 538                 return false;
 539
 540         opts = (const uint32_t *) g_variant_get_fixed_array(
 541                 gvar_opts, &num_opts, sizeof(uint32_t));
 542
 543         for (gsize i = 0; i < num_opts; i++)
 544         {
 545                 if ((opts[i] & SR_CONF_MASK) == (uint32_t) key->id())
 546                 {
 547                         g_variant_unref(gvar_opts);
 548                         return true;
 549                 }
 550         }
 551
 552         g_variant_unref(gvar_opts);
 553
 554         return false;
 555 }
 556
 557 Device::Device(struct sr_dev_inst *structure) :
 558         Configurable(sr_dev_inst_driver_get(structure), structure, NULL),
 559         _structure(structure)
 560 {
 561         for (GSList *entry = sr_dev_inst_channels_get(structure); entry; entry = entry->next)
 562         {
 563                 auto channel = (struct sr_channel *) entry->data;
 564                 _channels[channel] = new Channel(channel);
 565         }
 566
 567         for (GSList *entry = sr_dev_inst_channel_groups_get(structure); entry; entry = entry->next)
 568         {
 569                 auto group = (struct sr_channel_group *) entry->data;
 570                 _channel_groups[group->name] = new ChannelGroup(this, group);
 571         }
 572 }
 573
 574 Device::~Device()
 575 {
 576         for (auto entry : _channels)
 577                 delete entry.second;
 578         for (auto entry : _channel_groups)
 579                 delete entry.second;
 580 }
 581
 582 string Device::vendor()
 583 {
 584         return valid_string(sr_dev_inst_vendor_get(_structure));
 585 }
 586
 587 string Device::model()
 588 {
 589         return valid_string(sr_dev_inst_model_get(_structure));
 590 }
 591
 592 string Device::version()
 593 {
 594         return valid_string(sr_dev_inst_version_get(_structure));
 595 }
 596
 597 string Device::serial_number()
 598 {
 599         return valid_string(sr_dev_inst_sernum_get(_structure));
 600 }
 601
 602 string Device::connection_id()
 603 {
 604         return valid_string(sr_dev_inst_connid_get(_structure));
 605 }
 606
 607 vector<shared_ptr<Channel>> Device::channels()
 608 {
 609         vector<shared_ptr<Channel>> result;
 610         for (auto channel = sr_dev_inst_channels_get(_structure); channel; channel = channel->next)
 611                 result.push_back(
 612                         _channels[(struct sr_channel *) channel->data]->get_shared_pointer(
 613                                 get_shared_from_this()));
 614         return result;
 615 }
 616
 617 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
 618 {
 619         return _channels[ptr]->get_shared_pointer(get_shared_from_this());
 620 }
 621
 622 map<string, shared_ptr<ChannelGroup>>
 623 Device::channel_groups()
 624 {
 625         map<string, shared_ptr<ChannelGroup>> result;
 626         for (auto entry: _channel_groups)
 627         {
 628                 auto name = entry.first;
 629                 auto channel_group = entry.second;
 630                 result[name] = channel_group->get_shared_pointer(get_shared_from_this());
 631         }
 632         return result;
 633 }
 634
 635 void Device::open()
 636 {
 637         check(sr_dev_open(_structure));
 638 }
 639
 640 void Device::close()
 641 {
 642         check(sr_dev_close(_structure));
 643 }
 644
 645 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
 646                 struct sr_dev_inst *structure) :
 647         UserOwned(structure),
 648         Device(structure),
 649         _driver(driver)
 650 {
 651 }
 652
 653 HardwareDevice::~HardwareDevice()
 654 {
 655 }
 656
 657 shared_ptr<Device> HardwareDevice::get_shared_from_this()
 658 {
 659         return static_pointer_cast<Device>(shared_from_this());
 660 }
 661
 662 shared_ptr<Driver> HardwareDevice::driver()
 663 {
 664         return _driver;
 665 }
 666
 667 UserDevice::UserDevice(string vendor, string model, string version) :
 668         UserOwned(sr_dev_inst_user_new(
 669                 vendor.c_str(), model.c_str(), version.c_str())),
 670         Device(UserOwned::_structure)
 671 {
 672 }
 673
 674 UserDevice::~UserDevice()
 675 {
 676 }
 677
 678 shared_ptr<Device> UserDevice::get_shared_from_this()
 679 {
 680         return static_pointer_cast<Device>(shared_from_this());
 681 }
 682
 683 shared_ptr<Channel> UserDevice::add_channel(unsigned int index,
 684         const ChannelType *type, string name)
 685 {
 686         check(sr_dev_inst_channel_add(Device::_structure,
 687                 index, type->id(), name.c_str()));
 688         struct sr_channel *structure = (struct sr_channel *)
 689                         g_slist_last(sr_dev_inst_channels_get(Device::_structure))->data;
 690         Channel *channel = new Channel(structure);
 691         _channels[structure] = channel;
 692         return get_channel(structure);
 693 }
 694
 695 Channel::Channel(struct sr_channel *structure) :
 696         ParentOwned(structure),
 697         _type(ChannelType::get(_structure->type))
 698 {
 699 }
 700
 701 Channel::~Channel()
 702 {
 703 }
 704
 705 string Channel::name()
 706 {
 707         return valid_string(_structure->name);
 708 }
 709
 710 void Channel::set_name(string name)
 711 {
 712         check(sr_dev_channel_name_set(_structure, name.c_str()));
 713 }
 714
 715 const ChannelType *Channel::type()
 716 {
 717         return ChannelType::get(_structure->type);
 718 }
 719
 720 bool Channel::enabled()
 721 {
 722         return _structure->enabled;
 723 }
 724
 725 void Channel::set_enabled(bool value)
 726 {
 727         check(sr_dev_channel_enable(_structure, value));
 728 }
 729
 730 unsigned int Channel::index()
 731 {
 732         return _structure->index;
 733 }
 734
 735 ChannelGroup::ChannelGroup(Device *device,
 736                 struct sr_channel_group *structure) :
 737         ParentOwned(structure),
 738         Configurable(sr_dev_inst_driver_get(device->_structure), device->_structure, structure)
 739 {
 740         for (GSList *entry = structure->channels; entry; entry = entry->next)
 741                 _channels.push_back(device->_channels[(struct sr_channel *)entry->data]);
 742 }
 743
 744 ChannelGroup::~ChannelGroup()
 745 {
 746 }
 747
 748 string ChannelGroup::name()
 749 {
 750         return valid_string(_structure->name);
 751 }
 752
 753 vector<shared_ptr<Channel>> ChannelGroup::channels()
 754 {
 755         vector<shared_ptr<Channel>> result;
 756         for (auto channel : _channels)
 757                 result.push_back(channel->get_shared_pointer(_parent));
 758         return result;
 759 }
 760
 761 Trigger::Trigger(shared_ptr<Context> context, string name) :
 762         UserOwned(sr_trigger_new(name.c_str())),
 763         _context(context)
 764 {
 765         for (auto stage = _structure->stages; stage; stage = stage->next)
 766                 _stages.push_back(
 767                         new TriggerStage((struct sr_trigger_stage *) stage->data));
 768 }
 769
 770 Trigger::~Trigger()
 771 {
 772         for (auto stage: _stages)
 773                 delete stage;
 774
 775         sr_trigger_free(_structure);
 776 }
 777
 778 string Trigger::name()
 779 {
 780         return _structure->name;
 781 }
 782
 783 vector<shared_ptr<TriggerStage>> Trigger::stages()
 784 {
 785         vector<shared_ptr<TriggerStage>> result;
 786         for (auto stage : _stages)
 787                 result.push_back(stage->get_shared_pointer(this));
 788         return result;
 789 }
 790
 791 shared_ptr<TriggerStage> Trigger::add_stage()
 792 {
 793         auto stage = new TriggerStage(sr_trigger_stage_add(_structure));
 794         _stages.push_back(stage);
 795         return stage->get_shared_pointer(this);
 796 }
 797
 798 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
 799         ParentOwned(structure)
 800 {
 801 }
 802
 803 TriggerStage::~TriggerStage()
 804 {
 805         for (auto match : _matches)
 806                 delete match;
 807 }
 808
 809 int TriggerStage::number()
 810 {
 811         return _structure->stage;
 812 }
 813
 814 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
 815 {
 816         vector<shared_ptr<TriggerMatch>> result;
 817         for (auto match : _matches)
 818                 result.push_back(match->get_shared_pointer(this));
 819         return result;
 820 }
 821
 822 void TriggerStage::add_match(shared_ptr<Channel> channel,
 823         const TriggerMatchType *type, float value)
 824 {
 825         check(sr_trigger_match_add(_structure,
 826                 channel->_structure, type->id(), value));
 827         _matches.push_back(new TriggerMatch(
 828                 (struct sr_trigger_match *) g_slist_last(
 829                         _structure->matches)->data, channel));
 830 }
 831
 832 void TriggerStage::add_match(shared_ptr<Channel> channel,
 833         const TriggerMatchType *type)
 834 {
 835         add_match(channel, type, NAN);
 836 }
 837
 838 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
 839                 shared_ptr<Channel> channel) :
 840         ParentOwned(structure),
 841         _channel(channel)
 842 {
 843 }
 844
 845 TriggerMatch::~TriggerMatch()
 846 {
 847 }
 848
 849 shared_ptr<Channel> TriggerMatch::channel()
 850 {
 851         return _channel;
 852 }
 853
 854 const TriggerMatchType *TriggerMatch::type()
 855 {
 856         return TriggerMatchType::get(_structure->match);
 857 }
 858
 859 float TriggerMatch::value()
 860 {
 861         return _structure->value;
 862 }
 863
 864 DatafeedCallbackData::DatafeedCallbackData(Session *session,
 865                 DatafeedCallbackFunction callback) :
 866         _callback(callback),
 867         _session(session)
 868 {
 869 }
 870
 871 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
 872         const struct sr_datafeed_packet *pkt)
 873 {
 874         auto device = _session->get_device(sdi);
 875         auto packet = shared_ptr<Packet>(new Packet(device, pkt), Packet::Deleter());
 876         _callback(device, packet);
 877 }
 878
 879 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
 880         ParentOwned(structure),
 881         Device(structure)
 882 {
 883 }
 884
 885 SessionDevice::~SessionDevice()
 886 {
 887 }
 888
 889 shared_ptr<Device> SessionDevice::get_shared_from_this()
 890 {
 891         return static_pointer_cast<Device>(shared_from_this());
 892 }
 893
 894 Session::Session(shared_ptr<Context> context) :
 895         UserOwned(_structure),
 896         _context(context)
 897 {
 898         check(sr_session_new(context->_structure, &_structure));
 899         _context->_session = this;
 900 }
 901
 902 Session::Session(shared_ptr<Context> context, string filename) :
 903         UserOwned(_structure),
 904         _context(context),
 905         _filename(filename)
 906 {
 907         check(sr_session_load(context->_structure, filename.c_str(), &_structure));
 908         GSList *dev_list;
 909         check(sr_session_dev_list(_structure, &dev_list));
 910         for (GSList *dev = dev_list; dev; dev = dev->next)
 911         {
 912                 auto sdi = (struct sr_dev_inst *) dev->data;
 913                 _owned_devices[sdi] = new SessionDevice(sdi);
 914         }
 915         _context->_session = this;
 916 }
 917
 918 Session::~Session()
 919 {
 920         check(sr_session_destroy(_structure));
 921
 922         for (auto callback : _datafeed_callbacks)
 923                 delete callback;
 924
 925         for (auto entry : _owned_devices)
 926                 delete entry.second;
 927 }
 928
 929 shared_ptr<Device> Session::get_device(const struct sr_dev_inst *sdi)
 930 {
 931         if (_owned_devices.count(sdi))
 932                 return static_pointer_cast<Device>(
 933                         _owned_devices[sdi]->get_shared_pointer(this));
 934         else if (_other_devices.count(sdi))
 935                 return _other_devices[sdi];
 936         else
 937                 throw Error(SR_ERR_BUG);
 938 }
 939
 940 void Session::add_device(shared_ptr<Device> device)
 941 {
 942         check(sr_session_dev_add(_structure, device->_structure));
 943         _other_devices[device->_structure] = device;
 944 }
 945
 946 vector<shared_ptr<Device>> Session::devices()
 947 {
 948         GSList *dev_list;
 949         check(sr_session_dev_list(_structure, &dev_list));
 950         vector<shared_ptr<Device>> result;
 951         for (GSList *dev = dev_list; dev; dev = dev->next)
 952         {
 953                 auto sdi = (struct sr_dev_inst *) dev->data;
 954                 result.push_back(get_device(sdi));
 955         }
 956         return result;
 957 }
 958
 959 void Session::remove_devices()
 960 {
 961         _other_devices.clear();
 962         check(sr_session_dev_remove_all(_structure));
 963 }
 964
 965 void Session::start()
 966 {
 967         check(sr_session_start(_structure));
 968 }
 969
 970 void Session::run()
 971 {
 972         check(sr_session_run(_structure));
 973 }
 974
 975 void Session::stop()
 976 {
 977         check(sr_session_stop(_structure));
 978 }
 979
 980 bool Session::is_running() const
 981 {
 982         const int ret = sr_session_is_running(_structure);
 983         if (ret < 0)
 984                 throw Error{ret};
 985         return (ret != 0);
 986 }
 987
 988 static void session_stopped_callback(void *data)
 989 {
 990         auto *const callback = static_cast<SessionStoppedCallback*>(data);
 991         (*callback)();
 992 }
 993
 994 void Session::set_stopped_callback(SessionStoppedCallback callback)
 995 {
 996         _stopped_callback = move(callback);
 997         if (_stopped_callback)
 998                 check(sr_session_stopped_callback_set(_structure,
 999                                 &session_stopped_callback, &_stopped_callback));
1000         else
1001                 check(sr_session_stopped_callback_set(_structure,
1002                                 nullptr, nullptr));
1003 }
1004
1005 static void datafeed_callback(const struct sr_dev_inst *sdi,
1006         const struct sr_datafeed_packet *pkt, void *cb_data)
1007 {
1008         auto callback = static_cast<DatafeedCallbackData *>(cb_data);
1009         callback->run(sdi, pkt);
1010 }
1011
1012 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
1013 {
1014         auto cb_data = new DatafeedCallbackData(this, callback);
1015         check(sr_session_datafeed_callback_add(_structure,
1016                 datafeed_callback, cb_data));
1017         _datafeed_callbacks.push_back(cb_data);
1018 }
1019
1020 void Session::remove_datafeed_callbacks(void)
1021 {
1022         check(sr_session_datafeed_callback_remove_all(_structure));
1023         for (auto callback : _datafeed_callbacks)
1024                 delete callback;
1025         _datafeed_callbacks.clear();
1026 }
1027
1028 shared_ptr<Trigger> Session::trigger()
1029 {
1030         return _trigger;
1031 }
1032
1033 void Session::set_trigger(shared_ptr<Trigger> trigger)
1034 {
1035         if (!trigger)
1036                 // Set NULL trigger, i.e. remove any trigger from the session.
1037                 check(sr_session_trigger_set(_structure, NULL));
1038         else
1039                 check(sr_session_trigger_set(_structure, trigger->_structure));
1040         _trigger = trigger;
1041 }
1042
1043 string Session::filename()
1044 {
1045         return _filename;
1046 }
1047
1048 shared_ptr<Context> Session::context()
1049 {
1050         return _context;
1051 }
1052
1053 Packet::Packet(shared_ptr<Device> device,
1054         const struct sr_datafeed_packet *structure) :
1055         UserOwned(structure),
1056         _device(device)
1057 {
1058         switch (structure->type)
1059         {
1060                 case SR_DF_HEADER:
1061                         _payload = new Header(
1062                                 static_cast<const struct sr_datafeed_header *>(
1063                                         structure->payload));
1064                         break;
1065                 case SR_DF_META:
1066                         _payload = new Meta(
1067                                 static_cast<const struct sr_datafeed_meta *>(
1068                                         structure->payload));
1069                         break;
1070                 case SR_DF_LOGIC:
1071                         _payload = new Logic(
1072                                 static_cast<const struct sr_datafeed_logic *>(
1073                                         structure->payload));
1074                         break;
1075                 case SR_DF_ANALOG:
1076                         _payload = new Analog(
1077                                 static_cast<const struct sr_datafeed_analog *>(
1078                                         structure->payload));
1079                         break;
1080                 default:
1081                         _payload = nullptr;
1082                         break;
1083         }
1084 }
1085
1086 Packet::~Packet()
1087 {
1088         if (_payload)
1089                 delete _payload;
1090 }
1091
1092 const PacketType *Packet::type()
1093 {
1094         return PacketType::get(_structure->type);
1095 }
1096
1097 shared_ptr<PacketPayload> Packet::payload()
1098 {
1099         if (_payload)
1100                 return _payload->get_shared_pointer(this);
1101         else
1102                 throw Error(SR_ERR_NA);
1103 }
1104
1105 PacketPayload::PacketPayload()
1106 {
1107 }
1108
1109 PacketPayload::~PacketPayload()
1110 {
1111 }
1112
1113 Header::Header(const struct sr_datafeed_header *structure) :
1114         ParentOwned(structure),
1115         PacketPayload()
1116 {
1117 }
1118
1119 Header::~Header()
1120 {
1121 }
1122
1123 shared_ptr<PacketPayload> Header::get_shared_pointer(Packet *_parent)
1124 {
1125         return static_pointer_cast<PacketPayload>(
1126                 ParentOwned::get_shared_pointer(_parent));
1127 }
1128
1129 int Header::feed_version()
1130 {
1131         return _structure->feed_version;
1132 }
1133
1134 Glib::TimeVal Header::start_time()
1135 {
1136         return Glib::TimeVal(
1137                 _structure->starttime.tv_sec,
1138                 _structure->starttime.tv_usec);
1139 }
1140
1141 Meta::Meta(const struct sr_datafeed_meta *structure) :
1142         ParentOwned(structure),
1143         PacketPayload()
1144 {
1145 }
1146
1147 Meta::~Meta()
1148 {
1149 }
1150
1151 shared_ptr<PacketPayload> Meta::get_shared_pointer(Packet *_parent)
1152 {
1153         return static_pointer_cast<PacketPayload>(
1154                 ParentOwned::get_shared_pointer(_parent));
1155 }
1156
1157 map<const ConfigKey *, Glib::VariantBase> Meta::config()
1158 {
1159         map<const ConfigKey *, Glib::VariantBase> result;
1160         for (auto l = _structure->config; l; l = l->next)
1161         {
1162                 auto config = (struct sr_config *) l->data;
1163                 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data);
1164         }
1165         return result;
1166 }
1167
1168 Logic::Logic(const struct sr_datafeed_logic *structure) :
1169         ParentOwned(structure),
1170         PacketPayload()
1171 {
1172 }
1173
1174 Logic::~Logic()
1175 {
1176 }
1177
1178 shared_ptr<PacketPayload> Logic::get_shared_pointer(Packet *_parent)
1179 {
1180         return static_pointer_cast<PacketPayload>(
1181                 ParentOwned::get_shared_pointer(_parent));
1182 }
1183
1184 void *Logic::data_pointer()
1185 {
1186         return _structure->data;
1187 }
1188
1189 size_t Logic::data_length()
1190 {
1191         return _structure->length;
1192 }
1193
1194 unsigned int Logic::unit_size()
1195 {
1196         return _structure->unitsize;
1197 }
1198
1199 Analog::Analog(const struct sr_datafeed_analog *structure) :
1200         ParentOwned(structure),
1201         PacketPayload()
1202 {
1203 }
1204
1205 Analog::~Analog()
1206 {
1207 }
1208
1209 shared_ptr<PacketPayload> Analog::get_shared_pointer(Packet *_parent)
1210 {
1211         return static_pointer_cast<PacketPayload>(
1212                 ParentOwned::get_shared_pointer(_parent));
1213 }
1214
1215 void *Analog::data_pointer()
1216 {
1217         return _structure->data;
1218 }
1219
1220 unsigned int Analog::num_samples()
1221 {
1222         return _structure->num_samples;
1223 }
1224
1225 vector<shared_ptr<Channel>> Analog::channels()
1226 {
1227         vector<shared_ptr<Channel>> result;
1228         for (auto l = _structure->meaning->channels; l; l = l->next)
1229                 result.push_back(_parent->_device->get_channel(
1230                         (struct sr_channel *)l->data));
1231         return result;
1232 }
1233
1234 const Quantity *Analog::mq()
1235 {
1236         return Quantity::get(_structure->meaning->mq);
1237 }
1238
1239 const Unit *Analog::unit()
1240 {
1241         return Unit::get(_structure->meaning->unit);
1242 }
1243
1244 vector<const QuantityFlag *> Analog::mq_flags()
1245 {
1246         return QuantityFlag::flags_from_mask(_structure->meaning->mqflags);
1247 }
1248
1249 InputFormat::InputFormat(const struct sr_input_module *structure) :
1250         ParentOwned(structure)
1251 {
1252 }
1253
1254 InputFormat::~InputFormat()
1255 {
1256 }
1257
1258 string InputFormat::name()
1259 {
1260         return valid_string(sr_input_id_get(_structure));
1261 }
1262
1263 string InputFormat::description()
1264 {
1265         return valid_string(sr_input_description_get(_structure));
1266 }
1267
1268 vector<string> InputFormat::extensions()
1269 {
1270         vector<string> exts;
1271         for (const char *const *e = sr_input_extensions_get(_structure);
1272                 e && *e; e++)
1273                 exts.push_back(*e);
1274         return exts;
1275 }
1276
1277 map<string, shared_ptr<Option>> InputFormat::options()
1278 {
1279         const struct sr_option **options = sr_input_options_get(_structure);
1280         map<string, shared_ptr<Option>> result;
1281         if (options)
1282         {
1283                 auto option_array = shared_ptr<const struct sr_option *>(
1284                         options, sr_input_options_free);
1285                 for (int i = 0; options[i]; i++)
1286                         result[options[i]->id] = shared_ptr<Option>(
1287                                 new Option(options[i], option_array), Option::Deleter());
1288         }
1289         return result;
1290 }
1291
1292 shared_ptr<Input> InputFormat::create_input(
1293         map<string, Glib::VariantBase> options)
1294 {
1295         auto input = sr_input_new(_structure, map_to_hash_variant(options));
1296         if (!input)
1297                 throw Error(SR_ERR_ARG);
1298         return shared_ptr<Input>(
1299                 new Input(_parent->shared_from_this(), input), Input::Deleter());
1300 }
1301
1302 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1303         UserOwned(structure),
1304         _context(context),
1305         _device(nullptr)
1306 {
1307 }
1308
1309 shared_ptr<InputDevice> Input::device()
1310 {
1311         if (!_device)
1312         {
1313                 auto sdi = sr_input_dev_inst_get(_structure);
1314                 if (!sdi)
1315                         throw Error(SR_ERR_NA);
1316                 _device = new InputDevice(shared_from_this(), sdi);
1317         }
1318
1319         return _device->get_shared_pointer(shared_from_this());
1320 }
1321
1322 void Input::send(void *data, size_t length)
1323 {
1324         auto gstr = g_string_new_len((gchar *)data, length);
1325         auto ret = sr_input_send(_structure, gstr);
1326         g_string_free(gstr, false);
1327         check(ret);
1328 }
1329
1330 void Input::end()
1331 {
1332         check(sr_input_end(_structure));
1333 }
1334
1335 Input::~Input()
1336 {
1337         if (_device)
1338                 delete _device;
1339         sr_input_free(_structure);
1340 }
1341
1342 InputDevice::InputDevice(shared_ptr<Input> input,
1343                 struct sr_dev_inst *structure) :
1344         ParentOwned(structure),
1345         Device(structure),
1346         _input(input)
1347 {
1348 }
1349
1350 InputDevice::~InputDevice()
1351 {
1352 }
1353
1354 shared_ptr<Device> InputDevice::get_shared_from_this()
1355 {
1356         return static_pointer_cast<Device>(shared_from_this());
1357 }
1358
1359 Option::Option(const struct sr_option *structure,
1360                 shared_ptr<const struct sr_option *> structure_array) :
1361         UserOwned(structure),
1362         _structure_array(structure_array)
1363 {
1364 }
1365
1366 Option::~Option()
1367 {
1368 }
1369
1370 string Option::id()
1371 {
1372         return valid_string(_structure->id);
1373 }
1374
1375 string Option::name()
1376 {
1377         return valid_string(_structure->name);
1378 }
1379
1380 string Option::description()
1381 {
1382         return valid_string(_structure->desc);
1383 }
1384
1385 Glib::VariantBase Option::default_value()
1386 {
1387         return Glib::VariantBase(_structure->def, true);
1388 }
1389
1390 vector<Glib::VariantBase> Option::values()
1391 {
1392         vector<Glib::VariantBase> result;
1393         for (auto l = _structure->values; l; l = l->next)
1394                 result.push_back(Glib::VariantBase((GVariant *) l->data, true));
1395         return result;
1396 }
1397
1398 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1399         ParentOwned(structure)
1400 {
1401 }
1402
1403 OutputFormat::~OutputFormat()
1404 {
1405 }
1406
1407 string OutputFormat::name()
1408 {
1409         return valid_string(sr_output_id_get(_structure));
1410 }
1411
1412 string OutputFormat::description()
1413 {
1414         return valid_string(sr_output_description_get(_structure));
1415 }
1416
1417 vector<string> OutputFormat::extensions()
1418 {
1419         vector<string> exts;
1420         for (const char *const *e = sr_output_extensions_get(_structure);
1421                 e && *e; e++)
1422                 exts.push_back(*e);
1423         return exts;
1424 }
1425
1426 map<string, shared_ptr<Option>> OutputFormat::options()
1427 {
1428         const struct sr_option **options = sr_output_options_get(_structure);
1429         map<string, shared_ptr<Option>> result;
1430         if (options)
1431         {
1432                 auto option_array = shared_ptr<const struct sr_option *>(
1433                         options, sr_output_options_free);
1434                 for (int i = 0; options[i]; i++)
1435                         result[options[i]->id] = shared_ptr<Option>(
1436                                 new Option(options[i], option_array), Option::Deleter());
1437         }
1438         return result;
1439 }
1440
1441 shared_ptr<Output> OutputFormat::create_output(
1442         shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1443 {
1444         return shared_ptr<Output>(
1445                 new Output(shared_from_this(), device, options),
1446                 Output::Deleter());
1447 }
1448
1449 shared_ptr<Output> OutputFormat::create_output(string filename,
1450         shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1451 {
1452         return shared_ptr<Output>(
1453                 new Output(filename, shared_from_this(), device, options),
1454                 Output::Deleter());
1455 }
1456
1457 bool OutputFormat::test_flag(const OutputFlag *flag)
1458 {
1459         return sr_output_test_flag(_structure, flag->id());
1460 }
1461
1462 Output::Output(shared_ptr<OutputFormat> format,
1463                 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1464         UserOwned(sr_output_new(format->_structure,
1465                 map_to_hash_variant(options), device->_structure, NULL)),
1466         _format(format),
1467         _device(device),
1468         _options(options)
1469 {
1470 }
1471
1472 Output::Output(string filename, shared_ptr<OutputFormat> format,
1473                 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1474         UserOwned(sr_output_new(format->_structure,
1475                 map_to_hash_variant(options), device->_structure, filename.c_str())),
1476         _format(format),
1477         _device(device),
1478         _options(options)
1479 {
1480 }
1481
1482 Output::~Output()
1483 {
1484         check(sr_output_free(_structure));
1485 }
1486
1487 string Output::receive(shared_ptr<Packet> packet)
1488 {
1489         GString *out;
1490         check(sr_output_send(_structure, packet->_structure, &out));
1491         if (out)
1492         {
1493                 auto result = string(out->str, out->str + out->len);
1494                 g_string_free(out, true);
1495                 return result;
1496         }
1497         else
1498         {
1499                 return string();
1500         }
1501 }
1502
1503 #include <enums.cpp>
1504
1505 }