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 /* Needed in strutil.c for POSIX.1-2008 locale functions */
  22 #ifndef _XOPEN_SOURCE
  23 #define _XOPEN_SOURCE 700
  24 #endif
  25
  26 #include <config.h>
  27 #include <libsigrokcxx/libsigrokcxx.hpp>
  28
  29 #include <sstream>
  30 #include <cmath>
  31
  32 namespace sigrok
  33 {
  34
  35 /** Helper function to translate C errors to C++ exceptions. */
  36 static void check(int result)
  37 {
  38         if (result != SR_OK)
  39                 throw Error(result);
  40 }
  41
  42 /** Helper function to obtain valid strings from possibly null input. */
  43 static inline const char *valid_string(const char *input)
  44 {
  45         return (input) ? input : "";
  46 }
  47
  48 /** Helper function to convert between map<string, VariantBase> and GHashTable */
  49 static GHashTable *map_to_hash_variant(const map<string, Glib::VariantBase> &input)
  50 {
  51         auto *const output = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
  52                         reinterpret_cast<GDestroyNotify>(&g_variant_unref));
  53         for (const auto &entry : input)
  54                 g_hash_table_insert(output,
  55                         g_strdup(entry.first.c_str()),
  56                         entry.second.gobj_copy());
  57         return output;
  58 }
  59
  60 Error::Error(int result) : result(result)
  61 {
  62 }
  63
  64 const char *Error::what() const noexcept
  65 {
  66         return sr_strerror(result);
  67 }
  68
  69 Error::~Error() noexcept
  70 {
  71 }
  72
  73 ResourceReader::~ResourceReader()
  74 {
  75 }
  76
  77 SR_PRIV int ResourceReader::open_callback(struct sr_resource *res,
  78                 const char *name, void *cb_data) noexcept
  79 {
  80         try {
  81                 auto *const reader = static_cast<ResourceReader*>(cb_data);
  82                 reader->open(res, name);
  83         } catch (const Error &err) {
  84                 return err.result;
  85         } catch (...) {
  86                 return SR_ERR;
  87         }
  88         return SR_OK;
  89 }
  90
  91 SR_PRIV int ResourceReader::close_callback(struct sr_resource *res,
  92                 void *cb_data) noexcept
  93 {
  94         try {
  95                 auto *const reader = static_cast<ResourceReader*>(cb_data);
  96                 reader->close(res);
  97         } catch (const Error &err) {
  98                 return err.result;
  99         } catch (...) {
 100                 return SR_ERR;
 101         }
 102         return SR_OK;
 103 }
 104
 105 SR_PRIV gssize ResourceReader::read_callback(const struct sr_resource *res,
 106                 void *buf, size_t count, void *cb_data) noexcept
 107 {
 108         try {
 109                 auto *const reader = static_cast<ResourceReader*>(cb_data);
 110                 return reader->read(res, buf, count);
 111         } catch (const Error &err) {
 112                 return err.result;
 113         } catch (...) {
 114                 return SR_ERR;
 115         }
 116 }
 117
 118 shared_ptr<Context> Context::create()
 119 {
 120         return shared_ptr<Context>{new Context{}, default_delete<Context>{}};
 121 }
 122
 123 Context::Context() :
 124         _structure(nullptr),
 125         _session(nullptr)
 126 {
 127         check(sr_init(&_structure));
 128
 129         if (struct sr_dev_driver **driver_list = sr_driver_list(_structure))
 130                 for (int i = 0; driver_list[i]; i++) {
 131                         unique_ptr<Driver> driver {new Driver{driver_list[i]}};
 132                         _drivers.emplace(driver->name(), move(driver));
 133                 }
 134
 135         if (const struct sr_input_module **input_list = sr_input_list())
 136                 for (int i = 0; input_list[i]; i++) {
 137                         unique_ptr<InputFormat> input {new InputFormat{input_list[i]}};
 138                         _input_formats.emplace(input->name(), move(input));
 139                 }
 140
 141         if (const struct sr_output_module **output_list = sr_output_list())
 142                 for (int i = 0; output_list[i]; i++) {
 143                         unique_ptr<OutputFormat> output {new OutputFormat{output_list[i]}};
 144                         _output_formats.emplace(output->name(), move(output));
 145                 }
 146 }
 147
 148 string Context::package_version()
 149 {
 150         return sr_package_version_string_get();
 151 }
 152
 153 string Context::lib_version()
 154 {
 155         return sr_lib_version_string_get();
 156 }
 157
 158 map<string, shared_ptr<Driver>> Context::drivers()
 159 {
 160         map<string, shared_ptr<Driver>> result;
 161         for (const auto &entry: _drivers) {
 162                 const auto &name = entry.first;
 163                 const auto &driver = entry.second;
 164                 result.emplace(name, driver->share_owned_by(shared_from_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 (const auto &entry: _input_formats) {
 173                 const auto &name = entry.first;
 174                 const auto &input_format = entry.second;
 175                 result.emplace(name, input_format->share_owned_by(shared_from_this()));
 176         }
 177         return result;
 178 }
 179
 180 shared_ptr<InputFormat> Context::input_format_match(string filename)
 181 {
 182         const struct sr_input *input;
 183         const struct sr_input_module *imod;
 184         int rc;
 185
 186         /*
 187          * Have the input module looked up for the specified file.
 188          * Failed lookup (or "successful lookup" with an empty result)
 189          * are non-fatal. Free the sr_input that was created by the
 190          * lookup routine, but grab the input module kind and return an
 191          * InputFormat instance to the application. This works because
 192          * the application passes a filename, no input data got buffered
 193          * in the sr_input that we release.
 194          */
 195         input = NULL;
 196         rc = sr_input_scan_file(filename.c_str(), &input);
 197         if (rc != SR_OK)
 198                 return nullptr;
 199         if (!input)
 200                 return nullptr;
 201         imod = sr_input_module_get(input);
 202         sr_input_free(input);
 203         return shared_ptr<InputFormat>{new InputFormat{imod}, default_delete<InputFormat>{}};
 204 }
 205
 206 map<string, shared_ptr<OutputFormat>> Context::output_formats()
 207 {
 208         map<string, shared_ptr<OutputFormat>> result;
 209         for (const auto &entry: _output_formats) {
 210                 const auto &name = entry.first;
 211                 const auto &output_format = entry.second;
 212                 result.emplace(name, output_format->share_owned_by(shared_from_this()));
 213         }
 214         return result;
 215 }
 216
 217 Context::~Context()
 218 {
 219         check(sr_exit(_structure));
 220 }
 221
 222 const LogLevel *Context::log_level() const
 223 {
 224         return LogLevel::get(sr_log_loglevel_get());
 225 }
 226
 227 void Context::set_log_level(const LogLevel *level)
 228 {
 229         check(sr_log_loglevel_set(level->id()));
 230 }
 231
 232 static int call_log_callback(void *cb_data, int loglevel,
 233                 const char *format, va_list args) noexcept
 234 {
 235         const unique_ptr<char, decltype(&g_free)>
 236                 message {g_strdup_vprintf(format, args), &g_free};
 237
 238         auto *const callback = static_cast<LogCallbackFunction *>(cb_data);
 239
 240         try {
 241                 (*callback)(LogLevel::get(loglevel), message.get());
 242         } catch (Error &e) {
 243                 return e.result;
 244         }
 245
 246         return SR_OK;
 247 }
 248
 249 void Context::set_log_callback(LogCallbackFunction callback)
 250 {
 251         _log_callback = move(callback);
 252         check(sr_log_callback_set(call_log_callback, &_log_callback));
 253 }
 254
 255 void Context::set_log_callback_default()
 256 {
 257         check(sr_log_callback_set_default());
 258         _log_callback = nullptr;
 259 }
 260
 261 void Context::set_resource_reader(ResourceReader *reader)
 262 {
 263         if (reader) {
 264                 check(sr_resource_set_hooks(_structure,
 265                                 &ResourceReader::open_callback,
 266                                 &ResourceReader::close_callback,
 267                                 &ResourceReader::read_callback, reader));
 268         } else {
 269                 check(sr_resource_set_hooks(_structure,
 270                                 nullptr, nullptr, nullptr, nullptr));
 271         }
 272 }
 273
 274 shared_ptr<Session> Context::create_session()
 275 {
 276         return shared_ptr<Session>{new Session{shared_from_this()},
 277                 default_delete<Session>{}};
 278 }
 279
 280 shared_ptr<UserDevice> Context::create_user_device(
 281                 string vendor, string model, string version)
 282 {
 283         return shared_ptr<UserDevice>{
 284                 new UserDevice{move(vendor), move(model), move(version)},
 285                 default_delete<UserDevice>{}};
 286 }
 287
 288 shared_ptr<Packet> Context::create_header_packet(Glib::TimeVal start_time)
 289 {
 290         auto header = g_new(struct sr_datafeed_header, 1);
 291         header->feed_version = 1;
 292         header->starttime.tv_sec = start_time.tv_sec;
 293         header->starttime.tv_usec = start_time.tv_usec;
 294         auto packet = g_new(struct sr_datafeed_packet, 1);
 295         packet->type = SR_DF_HEADER;
 296         packet->payload = header;
 297         return shared_ptr<Packet>{new Packet{nullptr, packet},
 298                 default_delete<Packet>{}};
 299 }
 300
 301 shared_ptr<Packet> Context::create_meta_packet(
 302         map<const ConfigKey *, Glib::VariantBase> config)
 303 {
 304         auto meta = g_new0(struct sr_datafeed_meta, 1);
 305         for (const auto &input : config) {
 306                 const auto &key = input.first;
 307                 const auto &value = input.second;
 308                 auto *const output = g_new(struct sr_config, 1);
 309                 output->key = key->id();
 310                 output->data = value.gobj_copy();
 311                 meta->config = g_slist_append(meta->config, output);
 312         }
 313         auto packet = g_new(struct sr_datafeed_packet, 1);
 314         packet->type = SR_DF_META;
 315         packet->payload = meta;
 316         return shared_ptr<Packet>{new Packet{nullptr, packet},
 317                 default_delete<Packet>{}};
 318 }
 319
 320 shared_ptr<Packet> Context::create_logic_packet(
 321         void *data_pointer, size_t data_length, unsigned int unit_size)
 322 {
 323         auto logic = g_new(struct sr_datafeed_logic, 1);
 324         logic->length = data_length;
 325         logic->unitsize = unit_size;
 326         logic->data = data_pointer;
 327         auto packet = g_new(struct sr_datafeed_packet, 1);
 328         packet->type = SR_DF_LOGIC;
 329         packet->payload = logic;
 330         return shared_ptr<Packet>{new Packet{nullptr, packet}, default_delete<Packet>{}};
 331 }
 332
 333 shared_ptr<Packet> Context::create_analog_packet(
 334         vector<shared_ptr<Channel> > channels,
 335         const float *data_pointer, unsigned int num_samples, const Quantity *mq,
 336         const Unit *unit, vector<const QuantityFlag *> mqflags)
 337 {
 338         auto analog = g_new0(struct sr_datafeed_analog, 1);
 339         auto meaning = g_new0(struct sr_analog_meaning, 1);
 340         auto encoding = g_new0(struct sr_analog_encoding, 1);
 341         auto spec = g_new0(struct sr_analog_spec, 1);
 342
 343         analog->meaning = meaning;
 344
 345         for (const auto &channel : channels)
 346                 meaning->channels = g_slist_append(meaning->channels, channel->_structure);
 347         meaning->mq = static_cast<sr_mq>(mq->id());
 348         meaning->unit = static_cast<sr_unit>(unit->id());
 349         meaning->mqflags = static_cast<sr_mqflag>(QuantityFlag::mask_from_flags(move(mqflags)));
 350
 351         analog->encoding = encoding;
 352
 353         encoding->unitsize = sizeof(float);
 354         encoding->is_signed = TRUE;
 355         encoding->is_float = TRUE;
 356 #ifdef WORDS_BIGENDIAN
 357         encoding->is_bigendian = TRUE;
 358 #else
 359         encoding->is_bigendian = FALSE;
 360 #endif
 361         encoding->digits = 0;
 362         encoding->is_digits_decimal = FALSE;
 363         encoding->scale.p = 1;
 364         encoding->scale.q = 1;
 365         encoding->offset.p = 0;
 366         encoding->offset.q = 1;
 367
 368         analog->spec = spec;
 369
 370         spec->spec_digits = 0;
 371
 372         analog->num_samples = num_samples;
 373         analog->data = (float*)data_pointer;
 374         auto packet = g_new(struct sr_datafeed_packet, 1);
 375         packet->type = SR_DF_ANALOG;
 376         packet->payload = analog;
 377         return shared_ptr<Packet>{new Packet{nullptr, packet}, default_delete<Packet>{}};
 378 }
 379
 380 shared_ptr<Session> Context::load_session(string filename)
 381 {
 382         return shared_ptr<Session>{
 383                 new Session{shared_from_this(), move(filename)},
 384                 default_delete<Session>{}};
 385 }
 386
 387 shared_ptr<Trigger> Context::create_trigger(string name)
 388 {
 389         return shared_ptr<Trigger>{
 390                 new Trigger{shared_from_this(), move(name)},
 391                 default_delete<Trigger>{}};
 392 }
 393
 394 shared_ptr<Input> Context::open_file(string filename)
 395 {
 396         const struct sr_input *input;
 397
 398         check(sr_input_scan_file(filename.c_str(), &input));
 399         return shared_ptr<Input>{
 400                 new Input{shared_from_this(), input},
 401                 default_delete<Input>{}};
 402 }
 403
 404 shared_ptr<Input> Context::open_stream(string header)
 405 {
 406         const struct sr_input *input;
 407
 408         auto gstr = g_string_new(header.c_str());
 409         auto ret = sr_input_scan_buffer(gstr, &input);
 410         g_string_free(gstr, true);
 411         check(ret);
 412         return shared_ptr<Input>{
 413                 new Input{shared_from_this(), input},
 414                 default_delete<Input>{}};
 415 }
 416
 417 map<string, string> Context::serials(shared_ptr<Driver> driver) const
 418 {
 419         GSList *serial_list = sr_serial_list(driver ? driver->_structure : nullptr);
 420         map<string, string> serials;
 421
 422         for (GSList *serial = serial_list; serial; serial = serial->next) {
 423                 auto *const port = static_cast<sr_serial_port *>(serial->data);
 424                 serials[string(port->name)] = string(port->description);
 425         }
 426
 427         g_slist_free_full(serial_list,
 428                 reinterpret_cast<GDestroyNotify>(&sr_serial_free));
 429         return serials;
 430 }
 431
 432 Driver::Driver(struct sr_dev_driver *structure) :
 433         Configurable(structure, nullptr, nullptr),
 434         _structure(structure),
 435         _initialized(false)
 436 {
 437 }
 438
 439 Driver::~Driver()
 440 {
 441 }
 442
 443 string Driver::name() const
 444 {
 445         return valid_string(_structure->name);
 446 }
 447
 448 string Driver::long_name() const
 449 {
 450         return valid_string(_structure->longname);
 451 }
 452
 453 set<const ConfigKey *> Driver::scan_options() const
 454 {
 455         GArray *opts = sr_driver_scan_options_list(_structure);
 456         set<const ConfigKey *> result;
 457         if (opts) {
 458                 for (guint i = 0; i < opts->len; i++)
 459                         result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
 460                 g_array_free(opts, TRUE);
 461         }
 462         return result;
 463 }
 464
 465 vector<shared_ptr<HardwareDevice>> Driver::scan(
 466         map<const ConfigKey *, Glib::VariantBase> options)
 467 {
 468         /* Initialise the driver if not yet done. */
 469         if (!_initialized) {
 470                 check(sr_driver_init(_parent->_structure, _structure));
 471                 _initialized = true;
 472         }
 473
 474         /* Translate scan options to GSList of struct sr_config pointers. */
 475         GSList *option_list = nullptr;
 476         for (const auto &entry : options) {
 477                 const auto &key = entry.first;
 478                 const auto &value = entry.second;
 479                 auto *const config = g_new(struct sr_config, 1);
 480                 config->key = key->id();
 481                 config->data = const_cast<GVariant*>(value.gobj());
 482                 option_list = g_slist_append(option_list, config);
 483         }
 484
 485         /* Run scan. */
 486         GSList *device_list = sr_driver_scan(_structure, option_list);
 487
 488         /* Free option list. */
 489         g_slist_free_full(option_list, g_free);
 490
 491
 492         /* Create device objects. */
 493         vector<shared_ptr<HardwareDevice>> result;
 494         for (GSList *device = device_list; device; device = device->next) {
 495                 auto *const sdi = static_cast<struct sr_dev_inst *>(device->data);
 496                 shared_ptr<HardwareDevice> hwdev {
 497                         new HardwareDevice{shared_from_this(), sdi},
 498                         default_delete<HardwareDevice>{}};
 499                 result.push_back(move(hwdev));
 500         }
 501
 502         /* Free GSList returned from scan. */
 503         g_slist_free(device_list);
 504
 505         return result;
 506 }
 507
 508 Configurable::Configurable(
 509                 struct sr_dev_driver *driver,
 510                 struct sr_dev_inst *sdi,
 511                 struct sr_channel_group *cg) :
 512         config_driver(driver),
 513         config_sdi(sdi),
 514         config_channel_group(cg)
 515 {
 516 }
 517
 518 Configurable::~Configurable()
 519 {
 520 }
 521
 522 set<const ConfigKey *> Configurable::config_keys() const
 523 {
 524         GArray *opts;
 525         set<const ConfigKey *> result;
 526
 527         opts = sr_dev_options(config_driver, config_sdi, config_channel_group);
 528
 529         if (opts) {
 530                 for (guint i = 0; i < opts->len; i++)
 531                         result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
 532                 g_array_free(opts, TRUE);
 533         }
 534
 535         return result;
 536 }
 537
 538 Glib::VariantBase Configurable::config_get(const ConfigKey *key) const
 539 {
 540         GVariant *data;
 541         check(sr_config_get(
 542                 config_driver, config_sdi, config_channel_group,
 543                 key->id(), &data));
 544         return Glib::VariantBase(data);
 545 }
 546
 547 void Configurable::config_set(const ConfigKey *key, const Glib::VariantBase &value)
 548 {
 549         check(sr_config_set(
 550                 config_sdi, config_channel_group,
 551                 key->id(), const_cast<GVariant*>(value.gobj())));
 552 }
 553
 554 set<const Capability *> Configurable::config_capabilities(const ConfigKey *key) const
 555 {
 556         int caps = sr_dev_config_capabilities_list(config_sdi,
 557                                 config_channel_group, key->id());
 558
 559         set<const Capability *> result;
 560
 561         for (auto cap: Capability::values())
 562                 if (caps & cap->id())
 563                         result.insert(cap);
 564
 565         return result;
 566 }
 567
 568 bool Configurable::config_check(const ConfigKey *key,
 569         const Capability *capability) const
 570 {
 571         int caps = sr_dev_config_capabilities_list(config_sdi,
 572                                 config_channel_group, key->id());
 573
 574         return (caps & capability->id());
 575 }
 576
 577 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key) const
 578 {
 579         GVariant *data;
 580         check(sr_config_list(
 581                 config_driver, config_sdi, config_channel_group,
 582                 key->id(), &data));
 583         return Glib::VariantContainerBase(data);
 584 }
 585
 586 Device::Device(struct sr_dev_inst *structure) :
 587         Configurable(sr_dev_inst_driver_get(structure), structure, nullptr),
 588         _structure(structure)
 589 {
 590         for (GSList *entry = sr_dev_inst_channels_get(structure); entry; entry = entry->next) {
 591                 auto *const ch = static_cast<struct sr_channel *>(entry->data);
 592                 unique_ptr<Channel> channel {new Channel{ch}};
 593                 _channels.emplace(ch, move(channel));
 594         }
 595
 596         for (GSList *entry = sr_dev_inst_channel_groups_get(structure); entry; entry = entry->next) {
 597                 auto *const cg = static_cast<struct sr_channel_group *>(entry->data);
 598                 unique_ptr<ChannelGroup> group {new ChannelGroup{this, cg}};
 599                 _channel_groups.emplace(group->name(), move(group));
 600         }
 601 }
 602
 603 Device::~Device()
 604 {
 605 }
 606
 607 string Device::vendor() const
 608 {
 609         return valid_string(sr_dev_inst_vendor_get(_structure));
 610 }
 611
 612 string Device::model() const
 613 {
 614         return valid_string(sr_dev_inst_model_get(_structure));
 615 }
 616
 617 string Device::version() const
 618 {
 619         return valid_string(sr_dev_inst_version_get(_structure));
 620 }
 621
 622 string Device::serial_number() const
 623 {
 624         return valid_string(sr_dev_inst_sernum_get(_structure));
 625 }
 626
 627 string Device::connection_id() const
 628 {
 629         return valid_string(sr_dev_inst_connid_get(_structure));
 630 }
 631
 632 vector<shared_ptr<Channel>> Device::channels()
 633 {
 634         vector<shared_ptr<Channel>> result;
 635         for (auto channel = sr_dev_inst_channels_get(_structure); channel; channel = channel->next) {
 636                 auto *const ch = static_cast<struct sr_channel *>(channel->data);
 637                 result.push_back(_channels[ch]->share_owned_by(get_shared_from_this()));
 638         }
 639         return result;
 640 }
 641
 642 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
 643 {
 644         return _channels[ptr]->share_owned_by(get_shared_from_this());
 645 }
 646
 647 map<string, shared_ptr<ChannelGroup>>
 648 Device::channel_groups()
 649 {
 650         map<string, shared_ptr<ChannelGroup>> result;
 651         for (const auto &entry: _channel_groups) {
 652                 const auto &name = entry.first;
 653                 const auto &channel_group = entry.second;
 654                 result.emplace(name, channel_group->share_owned_by(get_shared_from_this()));
 655         }
 656         return result;
 657 }
 658
 659 void Device::open()
 660 {
 661         check(sr_dev_open(_structure));
 662 }
 663
 664 void Device::close()
 665 {
 666         check(sr_dev_close(_structure));
 667 }
 668
 669 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
 670                 struct sr_dev_inst *structure) :
 671         Device(structure),
 672         _driver(move(driver))
 673 {
 674 }
 675
 676 HardwareDevice::~HardwareDevice()
 677 {
 678 }
 679
 680 shared_ptr<Device> HardwareDevice::get_shared_from_this()
 681 {
 682         return static_pointer_cast<Device>(shared_from_this());
 683 }
 684
 685 shared_ptr<Driver> HardwareDevice::driver()
 686 {
 687         return _driver;
 688 }
 689
 690 UserDevice::UserDevice(string vendor, string model, string version) :
 691         Device(sr_dev_inst_user_new(
 692                 vendor.c_str(), model.c_str(), version.c_str()))
 693 {
 694 }
 695
 696 UserDevice::~UserDevice()
 697 {
 698 }
 699
 700 shared_ptr<Device> UserDevice::get_shared_from_this()
 701 {
 702         return static_pointer_cast<Device>(shared_from_this());
 703 }
 704
 705 shared_ptr<Channel> UserDevice::add_channel(unsigned int index,
 706         const ChannelType *type, string name)
 707 {
 708         check(sr_dev_inst_channel_add(Device::_structure,
 709                 index, type->id(), name.c_str()));
 710         GSList *const last = g_slist_last(sr_dev_inst_channels_get(Device::_structure));
 711         auto *const ch = static_cast<struct sr_channel *>(last->data);
 712         unique_ptr<Channel> channel {new Channel{ch}};
 713         _channels.emplace(ch, move(channel));
 714         return get_channel(ch);
 715 }
 716
 717 Channel::Channel(struct sr_channel *structure) :
 718         _structure(structure),
 719         _type(ChannelType::get(_structure->type))
 720 {
 721 }
 722
 723 Channel::~Channel()
 724 {
 725 }
 726
 727 string Channel::name() const
 728 {
 729         return valid_string(_structure->name);
 730 }
 731
 732 void Channel::set_name(string name)
 733 {
 734         check(sr_dev_channel_name_set(_structure, name.c_str()));
 735 }
 736
 737 const ChannelType *Channel::type() const
 738 {
 739         return ChannelType::get(_structure->type);
 740 }
 741
 742 bool Channel::enabled() const
 743 {
 744         return _structure->enabled;
 745 }
 746
 747 void Channel::set_enabled(bool value)
 748 {
 749         check(sr_dev_channel_enable(_structure, value));
 750 }
 751
 752 unsigned int Channel::index() const
 753 {
 754         return _structure->index;
 755 }
 756
 757 ChannelGroup::ChannelGroup(const Device *device,
 758                 struct sr_channel_group *structure) :
 759         Configurable(sr_dev_inst_driver_get(device->_structure), device->_structure, structure)
 760 {
 761         for (GSList *entry = config_channel_group->channels; entry; entry = entry->next) {
 762                 auto *const ch = static_cast<struct sr_channel *>(entry->data);
 763                 /* Note: This relies on Device::_channels to keep the Channel
 764                  * objects around over the lifetime of the ChannelGroup. */
 765                 _channels.push_back(device->_channels.find(ch)->second.get());
 766         }
 767 }
 768
 769 ChannelGroup::~ChannelGroup()
 770 {
 771 }
 772
 773 string ChannelGroup::name() const
 774 {
 775         return valid_string(config_channel_group->name);
 776 }
 777
 778 vector<shared_ptr<Channel>> ChannelGroup::channels()
 779 {
 780         vector<shared_ptr<Channel>> result;
 781         for (const auto &channel : _channels)
 782                 result.push_back(channel->share_owned_by(_parent));
 783         return result;
 784 }
 785
 786 Trigger::Trigger(shared_ptr<Context> context, string name) :
 787         _structure(sr_trigger_new(name.c_str())),
 788         _context(move(context))
 789 {
 790         for (auto *stage = _structure->stages; stage; stage = stage->next) {
 791                 unique_ptr<TriggerStage> ts {new TriggerStage{
 792                                 static_cast<struct sr_trigger_stage *>(stage->data)}};
 793                 _stages.push_back(move(ts));
 794         }
 795 }
 796
 797 Trigger::~Trigger()
 798 {
 799         sr_trigger_free(_structure);
 800 }
 801
 802 string Trigger::name() const
 803 {
 804         return _structure->name;
 805 }
 806
 807 vector<shared_ptr<TriggerStage>> Trigger::stages()
 808 {
 809         vector<shared_ptr<TriggerStage>> result;
 810         for (const auto &stage : _stages)
 811                 result.push_back(stage->share_owned_by(shared_from_this()));
 812         return result;
 813 }
 814
 815 shared_ptr<TriggerStage> Trigger::add_stage()
 816 {
 817         unique_ptr<TriggerStage> stage {new TriggerStage{sr_trigger_stage_add(_structure)}};
 818         _stages.push_back(move(stage));
 819         return _stages.back()->share_owned_by(shared_from_this());
 820 }
 821
 822 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
 823         _structure(structure)
 824 {
 825 }
 826
 827 TriggerStage::~TriggerStage()
 828 {
 829 }
 830
 831 int TriggerStage::number() const
 832 {
 833         return _structure->stage;
 834 }
 835
 836 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
 837 {
 838         vector<shared_ptr<TriggerMatch>> result;
 839         for (const auto &match : _matches)
 840                 result.push_back(match->share_owned_by(shared_from_this()));
 841         return result;
 842 }
 843
 844 void TriggerStage::add_match(shared_ptr<Channel> channel,
 845         const TriggerMatchType *type, float value)
 846 {
 847         check(sr_trigger_match_add(_structure,
 848                 channel->_structure, type->id(), value));
 849         GSList *const last = g_slist_last(_structure->matches);
 850         unique_ptr<TriggerMatch> match {new TriggerMatch{
 851                         static_cast<struct sr_trigger_match *>(last->data),
 852                         move(channel)}};
 853         _matches.push_back(move(match));
 854 }
 855
 856 void TriggerStage::add_match(shared_ptr<Channel> channel,
 857         const TriggerMatchType *type)
 858 {
 859         add_match(move(channel), type, NAN);
 860 }
 861
 862 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
 863                 shared_ptr<Channel> channel) :
 864         _structure(structure),
 865         _channel(move(channel))
 866 {
 867 }
 868
 869 TriggerMatch::~TriggerMatch()
 870 {
 871 }
 872
 873 shared_ptr<Channel> TriggerMatch::channel()
 874 {
 875         return _channel;
 876 }
 877
 878 const TriggerMatchType *TriggerMatch::type() const
 879 {
 880         return TriggerMatchType::get(_structure->match);
 881 }
 882
 883 float TriggerMatch::value() const
 884 {
 885         return _structure->value;
 886 }
 887
 888 DatafeedCallbackData::DatafeedCallbackData(Session *session,
 889                 DatafeedCallbackFunction callback) :
 890         _callback(move(callback)),
 891         _session(session)
 892 {
 893 }
 894
 895 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
 896         const struct sr_datafeed_packet *pkt)
 897 {
 898         auto device = _session->get_device(sdi);
 899         shared_ptr<Packet> packet {new Packet{device, pkt}, default_delete<Packet>{}};
 900         _callback(move(device), move(packet));
 901 }
 902
 903 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
 904         Device(structure)
 905 {
 906 }
 907
 908 SessionDevice::~SessionDevice()
 909 {
 910 }
 911
 912 shared_ptr<Device> SessionDevice::get_shared_from_this()
 913 {
 914         return static_pointer_cast<Device>(shared_from_this());
 915 }
 916
 917 Session::Session(shared_ptr<Context> context) :
 918         _structure(nullptr),
 919         _context(move(context))
 920 {
 921         check(sr_session_new(_context->_structure, &_structure));
 922         _context->_session = this;
 923 }
 924
 925 Session::Session(shared_ptr<Context> context, string filename) :
 926         _structure(nullptr),
 927         _context(move(context)),
 928         _filename(move(filename))
 929 {
 930         check(sr_session_load(_context->_structure, _filename.c_str(), &_structure));
 931         GSList *dev_list;
 932         check(sr_session_dev_list(_structure, &dev_list));
 933         for (GSList *dev = dev_list; dev; dev = dev->next) {
 934                 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
 935                 unique_ptr<SessionDevice> device {new SessionDevice{sdi}};
 936                 _owned_devices.emplace(sdi, move(device));
 937         }
 938         _context->_session = this;
 939 }
 940
 941 Session::~Session()
 942 {
 943         check(sr_session_destroy(_structure));
 944 }
 945
 946 shared_ptr<Device> Session::get_device(const struct sr_dev_inst *sdi)
 947 {
 948         if (_owned_devices.count(sdi))
 949                 return static_pointer_cast<Device>(
 950                         _owned_devices[sdi]->share_owned_by(shared_from_this()));
 951         else if (_other_devices.count(sdi))
 952                 return _other_devices[sdi];
 953         else
 954                 throw Error(SR_ERR_BUG);
 955 }
 956
 957 void Session::add_device(shared_ptr<Device> device)
 958 {
 959         const auto dev_struct = device->_structure;
 960         check(sr_session_dev_add(_structure, dev_struct));
 961         _other_devices[dev_struct] = move(device);
 962 }
 963
 964 vector<shared_ptr<Device>> Session::devices()
 965 {
 966         GSList *dev_list;
 967         check(sr_session_dev_list(_structure, &dev_list));
 968         vector<shared_ptr<Device>> result;
 969         for (GSList *dev = dev_list; dev; dev = dev->next) {
 970                 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
 971                 result.push_back(get_device(sdi));
 972         }
 973         return result;
 974 }
 975
 976 void Session::remove_devices()
 977 {
 978         _other_devices.clear();
 979         check(sr_session_dev_remove_all(_structure));
 980 }
 981
 982 void Session::start()
 983 {
 984         check(sr_session_start(_structure));
 985 }
 986
 987 void Session::run()
 988 {
 989         check(sr_session_run(_structure));
 990 }
 991
 992 void Session::stop()
 993 {
 994         check(sr_session_stop(_structure));
 995 }
 996
 997 bool Session::is_running() const
 998 {
 999         const int ret = sr_session_is_running(_structure);
1000         if (ret < 0)
1001                 throw Error{ret};
1002         return (ret != 0);
1003 }
1004
1005 static void session_stopped_callback(void *data) noexcept
1006 {
1007         auto *const callback = static_cast<SessionStoppedCallback*>(data);
1008         (*callback)();
1009 }
1010
1011 void Session::set_stopped_callback(SessionStoppedCallback callback)
1012 {
1013         _stopped_callback = move(callback);
1014         if (_stopped_callback)
1015                 check(sr_session_stopped_callback_set(_structure,
1016                                 &session_stopped_callback, &_stopped_callback));
1017         else
1018                 check(sr_session_stopped_callback_set(_structure,
1019                                 nullptr, nullptr));
1020 }
1021
1022 static void datafeed_callback(const struct sr_dev_inst *sdi,
1023         const struct sr_datafeed_packet *pkt, void *cb_data) noexcept
1024 {
1025         auto callback = static_cast<DatafeedCallbackData *>(cb_data);
1026         callback->run(sdi, pkt);
1027 }
1028
1029 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
1030 {
1031         unique_ptr<DatafeedCallbackData> cb_data
1032                 {new DatafeedCallbackData{this, move(callback)}};
1033         check(sr_session_datafeed_callback_add(_structure,
1034                         &datafeed_callback, cb_data.get()));
1035         _datafeed_callbacks.push_back(move(cb_data));
1036 }
1037
1038 void Session::remove_datafeed_callbacks()
1039 {
1040         check(sr_session_datafeed_callback_remove_all(_structure));
1041         _datafeed_callbacks.clear();
1042 }
1043
1044 shared_ptr<Trigger> Session::trigger()
1045 {
1046         return _trigger;
1047 }
1048
1049 void Session::set_trigger(shared_ptr<Trigger> trigger)
1050 {
1051         if (!trigger)
1052                 // Set NULL trigger, i.e. remove any trigger from the session.
1053                 check(sr_session_trigger_set(_structure, nullptr));
1054         else
1055                 check(sr_session_trigger_set(_structure, trigger->_structure));
1056         _trigger = move(trigger);
1057 }
1058
1059 string Session::filename() const
1060 {
1061         return _filename;
1062 }
1063
1064 shared_ptr<Context> Session::context()
1065 {
1066         return _context;
1067 }
1068
1069 Packet::Packet(shared_ptr<Device> device,
1070         const struct sr_datafeed_packet *structure) :
1071         _structure(structure),
1072         _device(move(device))
1073 {
1074         switch (structure->type)
1075         {
1076                 case SR_DF_HEADER:
1077                         _payload.reset(new Header{
1078                                 static_cast<const struct sr_datafeed_header *>(
1079                                         structure->payload)});
1080                         break;
1081                 case SR_DF_META:
1082                         _payload.reset(new Meta{
1083                                 static_cast<const struct sr_datafeed_meta *>(
1084                                         structure->payload)});
1085                         break;
1086                 case SR_DF_LOGIC:
1087                         _payload.reset(new Logic{
1088                                 static_cast<const struct sr_datafeed_logic *>(
1089                                         structure->payload)});
1090                         break;
1091                 case SR_DF_ANALOG:
1092                         _payload.reset(new Analog{
1093                                 static_cast<const struct sr_datafeed_analog *>(
1094                                         structure->payload)});
1095                         break;
1096         }
1097 }
1098
1099 Packet::~Packet()
1100 {
1101 }
1102
1103 const PacketType *Packet::type() const
1104 {
1105         return PacketType::get(_structure->type);
1106 }
1107
1108 shared_ptr<PacketPayload> Packet::payload()
1109 {
1110         if (_payload)
1111                 return _payload->share_owned_by(shared_from_this());
1112         else
1113                 throw Error(SR_ERR_NA);
1114 }
1115
1116 PacketPayload::PacketPayload()
1117 {
1118 }
1119
1120 PacketPayload::~PacketPayload()
1121 {
1122 }
1123
1124 Header::Header(const struct sr_datafeed_header *structure) :
1125         PacketPayload(),
1126         _structure(structure)
1127 {
1128 }
1129
1130 Header::~Header()
1131 {
1132 }
1133
1134 shared_ptr<PacketPayload> Header::share_owned_by(shared_ptr<Packet> _parent)
1135 {
1136         return static_pointer_cast<PacketPayload>(
1137                 ParentOwned::share_owned_by(_parent));
1138 }
1139
1140 int Header::feed_version() const
1141 {
1142         return _structure->feed_version;
1143 }
1144
1145 Glib::TimeVal Header::start_time() const
1146 {
1147         return Glib::TimeVal(
1148                 _structure->starttime.tv_sec,
1149                 _structure->starttime.tv_usec);
1150 }
1151
1152 Meta::Meta(const struct sr_datafeed_meta *structure) :
1153         PacketPayload(),
1154         _structure(structure)
1155 {
1156 }
1157
1158 Meta::~Meta()
1159 {
1160 }
1161
1162 shared_ptr<PacketPayload> Meta::share_owned_by(shared_ptr<Packet> _parent)
1163 {
1164         return static_pointer_cast<PacketPayload>(
1165                 ParentOwned::share_owned_by(_parent));
1166 }
1167
1168 map<const ConfigKey *, Glib::VariantBase> Meta::config() const
1169 {
1170         map<const ConfigKey *, Glib::VariantBase> result;
1171         for (auto l = _structure->config; l; l = l->next) {
1172                 auto *const config = static_cast<struct sr_config *>(l->data);
1173                 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data, true);
1174         }
1175         return result;
1176 }
1177
1178 Logic::Logic(const struct sr_datafeed_logic *structure) :
1179         PacketPayload(),
1180         _structure(structure)
1181 {
1182 }
1183
1184 Logic::~Logic()
1185 {
1186 }
1187
1188 shared_ptr<PacketPayload> Logic::share_owned_by(shared_ptr<Packet> _parent)
1189 {
1190         return static_pointer_cast<PacketPayload>(
1191                 ParentOwned::share_owned_by(_parent));
1192 }
1193
1194 void *Logic::data_pointer()
1195 {
1196         return _structure->data;
1197 }
1198
1199 size_t Logic::data_length() const
1200 {
1201         return _structure->length;
1202 }
1203
1204 unsigned int Logic::unit_size() const
1205 {
1206         return _structure->unitsize;
1207 }
1208
1209 Analog::Analog(const struct sr_datafeed_analog *structure) :
1210         PacketPayload(),
1211         _structure(structure)
1212 {
1213 }
1214
1215 Analog::~Analog()
1216 {
1217 }
1218
1219 shared_ptr<PacketPayload> Analog::share_owned_by(shared_ptr<Packet> _parent)
1220 {
1221         return static_pointer_cast<PacketPayload>(
1222                 ParentOwned::share_owned_by(_parent));
1223 }
1224
1225 void *Analog::data_pointer()
1226 {
1227         return _structure->data;
1228 }
1229
1230 void Analog::get_data_as_float(float *dest)
1231 {
1232         check(sr_analog_to_float(_structure, dest));
1233 }
1234
1235 unsigned int Analog::num_samples() const
1236 {
1237         return _structure->num_samples;
1238 }
1239
1240 vector<shared_ptr<Channel>> Analog::channels()
1241 {
1242         vector<shared_ptr<Channel>> result;
1243         for (auto l = _structure->meaning->channels; l; l = l->next) {
1244                 auto *const ch = static_cast<struct sr_channel *>(l->data);
1245                 result.push_back(_parent->_device->get_channel(ch));
1246         }
1247         return result;
1248 }
1249
1250 unsigned int Analog::unitsize() const
1251 {
1252         return _structure->encoding->unitsize;
1253 }
1254
1255 bool Analog::is_signed() const
1256 {
1257         return _structure->encoding->is_signed;
1258 }
1259
1260 bool Analog::is_float() const
1261 {
1262         return _structure->encoding->is_float;
1263 }
1264
1265 bool Analog::is_bigendian() const
1266 {
1267         return _structure->encoding->is_bigendian;
1268 }
1269
1270 int Analog::digits() const
1271 {
1272         return _structure->encoding->digits;
1273 }
1274
1275 bool Analog::is_digits_decimal() const
1276 {
1277         return _structure->encoding->is_digits_decimal;
1278 }
1279
1280 shared_ptr<Rational> Analog::scale()
1281 {
1282         unique_ptr<Rational> scale;
1283         scale.reset(new Rational(&(_structure->encoding->scale)));
1284
1285         if (scale)
1286                 return scale->share_owned_by(shared_from_this());
1287         else
1288                 throw Error(SR_ERR_NA);
1289 }
1290
1291 shared_ptr<Rational> Analog::offset()
1292 {
1293         unique_ptr<Rational> offset;
1294         offset.reset(new Rational(&(_structure->encoding->offset)));
1295
1296         if (offset)
1297                 return offset->share_owned_by(shared_from_this());
1298         else
1299                 throw Error(SR_ERR_NA);
1300 }
1301
1302 const Quantity *Analog::mq() const
1303 {
1304         return Quantity::get(_structure->meaning->mq);
1305 }
1306
1307 const Unit *Analog::unit() const
1308 {
1309         return Unit::get(_structure->meaning->unit);
1310 }
1311
1312 vector<const QuantityFlag *> Analog::mq_flags() const
1313 {
1314         return QuantityFlag::flags_from_mask(_structure->meaning->mqflags);
1315 }
1316
1317 shared_ptr<Logic> Analog::get_logic_via_threshold(float threshold,
1318         uint8_t *data_ptr) const
1319 {
1320         auto datafeed = g_new(struct sr_datafeed_logic, 1);
1321         datafeed->length = num_samples();
1322         datafeed->unitsize = 1;
1323
1324         if (data_ptr)
1325                 datafeed->data = data_ptr;
1326         else
1327                 datafeed->data = g_malloc(datafeed->length);
1328
1329         shared_ptr<Logic> logic =
1330                 shared_ptr<Logic>{new Logic{datafeed}, default_delete<Logic>{}};
1331
1332         check(sr_a2l_threshold(_structure, threshold,
1333                 (uint8_t*)datafeed->data, datafeed->length));
1334
1335         return logic;
1336 }
1337
1338 shared_ptr<Logic> Analog::get_logic_via_schmitt_trigger(float lo_thr,
1339         float hi_thr, uint8_t *state, uint8_t *data_ptr) const
1340 {
1341         auto datafeed = g_new(struct sr_datafeed_logic, 1);
1342         datafeed->length = num_samples();
1343         datafeed->unitsize = 1;
1344
1345         if (data_ptr)
1346                 datafeed->data = data_ptr;
1347         else
1348                 datafeed->data = g_malloc(datafeed->length);
1349
1350         shared_ptr<Logic> logic =
1351                 shared_ptr<Logic>{new Logic{datafeed}, default_delete<Logic>{}};
1352
1353         check(sr_a2l_schmitt_trigger(_structure, lo_thr, hi_thr, state,
1354                 (uint8_t*)datafeed->data, datafeed->length));
1355
1356         return logic;
1357 }
1358
1359 Rational::Rational(const struct sr_rational *structure) :
1360         _structure(structure)
1361 {
1362 }
1363
1364 Rational::~Rational()
1365 {
1366 }
1367
1368 shared_ptr<Rational> Rational::share_owned_by(shared_ptr<Analog> _parent)
1369 {
1370         return static_pointer_cast<Rational>(
1371                 ParentOwned::share_owned_by(_parent));
1372 }
1373
1374 int64_t Rational::numerator() const
1375 {
1376         return _structure->p;
1377 }
1378
1379 uint64_t Rational::denominator() const
1380 {
1381         return _structure->q;
1382 }
1383
1384 float Rational::value() const
1385 {
1386         return (float)(_structure->p) / (float)(_structure->q);
1387 }
1388
1389 InputFormat::InputFormat(const struct sr_input_module *structure) :
1390         _structure(structure)
1391 {
1392 }
1393
1394 InputFormat::~InputFormat()
1395 {
1396 }
1397
1398 string InputFormat::name() const
1399 {
1400         return valid_string(sr_input_id_get(_structure));
1401 }
1402
1403 string InputFormat::description() const
1404 {
1405         return valid_string(sr_input_description_get(_structure));
1406 }
1407
1408 vector<string> InputFormat::extensions() const
1409 {
1410         vector<string> exts;
1411         for (const char *const *e = sr_input_extensions_get(_structure);
1412                 e && *e; e++)
1413                 exts.push_back(*e);
1414         return exts;
1415 }
1416
1417 map<string, shared_ptr<Option>> InputFormat::options()
1418 {
1419         map<string, shared_ptr<Option>> result;
1420
1421         if (const struct sr_option **options = sr_input_options_get(_structure)) {
1422                 shared_ptr<const struct sr_option *> option_array
1423                         {options, &sr_input_options_free};
1424                 for (int i = 0; options[i]; i++) {
1425                         shared_ptr<Option> opt {
1426                                 new Option{options[i], option_array},
1427                                 default_delete<Option>{}};
1428                         result.emplace(opt->id(), move(opt));
1429                 }
1430         }
1431         return result;
1432 }
1433
1434 shared_ptr<Input> InputFormat::create_input(
1435         map<string, Glib::VariantBase> options)
1436 {
1437         auto input = sr_input_new(_structure, map_to_hash_variant(options));
1438         if (!input)
1439                 throw Error(SR_ERR_ARG);
1440         return shared_ptr<Input>{new Input{_parent, input}, default_delete<Input>{}};
1441 }
1442
1443 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1444         _structure(structure),
1445         _context(move(context))
1446 {
1447 }
1448
1449 shared_ptr<InputDevice> Input::device()
1450 {
1451         if (!_device) {
1452                 auto sdi = sr_input_dev_inst_get(_structure);
1453                 if (!sdi)
1454                         throw Error(SR_ERR_NA);
1455                 _device.reset(new InputDevice{shared_from_this(), sdi});
1456         }
1457
1458         return _device->share_owned_by(shared_from_this());
1459 }
1460
1461 void Input::send(void *data, size_t length)
1462 {
1463         auto gstr = g_string_new_len(static_cast<char *>(data), length);
1464         auto ret = sr_input_send(_structure, gstr);
1465         g_string_free(gstr, true);
1466         check(ret);
1467 }
1468
1469 void Input::end()
1470 {
1471         check(sr_input_end(_structure));
1472 }
1473
1474 void Input::reset()
1475 {
1476         check(sr_input_reset(_structure));
1477 }
1478
1479 Input::~Input()
1480 {
1481         sr_input_free(_structure);
1482 }
1483
1484 InputDevice::InputDevice(shared_ptr<Input> input,
1485                 struct sr_dev_inst *structure) :
1486         Device(structure),
1487         _input(move(input))
1488 {
1489 }
1490
1491 InputDevice::~InputDevice()
1492 {
1493 }
1494
1495 shared_ptr<Device> InputDevice::get_shared_from_this()
1496 {
1497         return static_pointer_cast<Device>(shared_from_this());
1498 }
1499
1500 Option::Option(const struct sr_option *structure,
1501                 shared_ptr<const struct sr_option *> structure_array) :
1502         _structure(structure),
1503         _structure_array(move(structure_array))
1504 {
1505 }
1506
1507 Option::~Option()
1508 {
1509 }
1510
1511 string Option::id() const
1512 {
1513         return valid_string(_structure->id);
1514 }
1515
1516 string Option::name() const
1517 {
1518         return valid_string(_structure->name);
1519 }
1520
1521 string Option::description() const
1522 {
1523         return valid_string(_structure->desc);
1524 }
1525
1526 Glib::VariantBase Option::default_value() const
1527 {
1528         return Glib::VariantBase(_structure->def, true);
1529 }
1530
1531 vector<Glib::VariantBase> Option::values() const
1532 {
1533         vector<Glib::VariantBase> result;
1534         for (auto l = _structure->values; l; l = l->next) {
1535                 auto *const var = static_cast<GVariant *>(l->data);
1536                 result.push_back(Glib::VariantBase(var, true));
1537         }
1538         return result;
1539 }
1540
1541 Glib::VariantBase Option::parse_string(string value)
1542 {
1543         enum sr_datatype dt;
1544         Glib::VariantBase dflt = default_value();
1545         GVariant *tmpl = dflt.gobj();
1546
1547         if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_UINT64)) {
1548                 dt = SR_T_UINT64;
1549         } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_STRING)) {
1550                 dt = SR_T_STRING;
1551         } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_BOOLEAN)) {
1552                 dt = SR_T_BOOL;
1553         } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_DOUBLE)) {
1554                 dt = SR_T_FLOAT;
1555         } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_INT32)) {
1556                 dt = SR_T_INT32;
1557         } else {
1558                 throw Error(SR_ERR_BUG);
1559         }
1560         return ConfigKey::parse_string(value, dt);
1561 }
1562
1563 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1564         _structure(structure)
1565 {
1566 }
1567
1568 OutputFormat::~OutputFormat()
1569 {
1570 }
1571
1572 string OutputFormat::name() const
1573 {
1574         return valid_string(sr_output_id_get(_structure));
1575 }
1576
1577 string OutputFormat::description() const
1578 {
1579         return valid_string(sr_output_description_get(_structure));
1580 }
1581
1582 vector<string> OutputFormat::extensions() const
1583 {
1584         vector<string> exts;
1585         for (const char *const *e = sr_output_extensions_get(_structure);
1586                 e && *e; e++)
1587                 exts.push_back(*e);
1588         return exts;
1589 }
1590
1591 map<string, shared_ptr<Option>> OutputFormat::options()
1592 {
1593         map<string, shared_ptr<Option>> result;
1594
1595         if (const struct sr_option **options = sr_output_options_get(_structure)) {
1596                 shared_ptr<const struct sr_option *> option_array
1597                         {options, &sr_output_options_free};
1598                 for (int i = 0; options[i]; i++) {
1599                         shared_ptr<Option> opt {
1600                                 new Option{options[i], option_array},
1601                                 default_delete<Option>{}};
1602                         result.emplace(opt->id(), move(opt));
1603                 }
1604         }
1605         return result;
1606 }
1607
1608 shared_ptr<Output> OutputFormat::create_output(
1609         shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1610 {
1611         return shared_ptr<Output>{
1612                 new Output{shared_from_this(), move(device), move(options)},
1613                 default_delete<Output>{}};
1614 }
1615
1616 shared_ptr<Output> OutputFormat::create_output(string filename,
1617         shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1618 {
1619         return shared_ptr<Output>{
1620                 new Output{move(filename), shared_from_this(), move(device), move(options)},
1621                 default_delete<Output>{}};
1622 }
1623
1624 bool OutputFormat::test_flag(const OutputFlag *flag) const
1625 {
1626         return sr_output_test_flag(_structure, flag->id());
1627 }
1628
1629 Output::Output(shared_ptr<OutputFormat> format,
1630                 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1631         _structure(sr_output_new(format->_structure,
1632                 map_to_hash_variant(options), device->_structure, nullptr)),
1633         _format(move(format)),
1634         _device(move(device)),
1635         _options(move(options))
1636 {
1637 }
1638
1639 Output::Output(string filename, shared_ptr<OutputFormat> format,
1640                 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1641         _structure(sr_output_new(format->_structure,
1642                 map_to_hash_variant(options), device->_structure, filename.c_str())),
1643         _format(move(format)),
1644         _device(move(device)),
1645         _options(move(options))
1646 {
1647 }
1648
1649 Output::~Output()
1650 {
1651         check(sr_output_free(_structure));
1652 }
1653
1654 string Output::receive(shared_ptr<Packet> packet)
1655 {
1656         GString *out;
1657         check(sr_output_send(_structure, packet->_structure, &out));
1658         if (out) {
1659                 auto result = string(out->str, out->str + out->len);
1660                 g_string_free(out, true);
1661                 return result;
1662         } else {
1663                 return string();
1664         }
1665 }
1666
1667 #include <enums.cpp>
1668
1669 }