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