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 *const output = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
  51                         reinterpret_cast<GDestroyNotify>(&g_variant_unref));
  52         for (const 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 noexcept
  64 {
  65         return sr_strerror(result);
  66 }
  67
  68 Error::~Error() noexcept
  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) noexcept
  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,
  91                 void *cb_data) noexcept
  92 {
  93         try {
  94                 auto *const reader = static_cast<ResourceReader*>(cb_data);
  95                 reader->close(res);
  96         } catch (const Error &err) {
  97                 return err.result;
  98         } catch (...) {
  99                 return SR_ERR;
 100         }
 101         return SR_OK;
 102 }
 103
 104 SR_PRIV gssize ResourceReader::read_callback(const struct sr_resource *res,
 105                 void *buf, size_t count, void *cb_data) noexcept
 106 {
 107         try {
 108                 auto *const reader = static_cast<ResourceReader*>(cb_data);
 109                 return reader->read(res, buf, count);
 110         } catch (const Error &err) {
 111                 return err.result;
 112         } catch (...) {
 113                 return SR_ERR;
 114         }
 115 }
 116
 117 shared_ptr<Context> Context::create()
 118 {
 119         return shared_ptr<Context>{new Context{}, default_delete<Context>{}};
 120 }
 121
 122 Context::Context() :
 123         _structure(nullptr),
 124         _session(nullptr)
 125 {
 126         check(sr_init(&_structure));
 127
 128         if (struct sr_dev_driver **driver_list = sr_driver_list(_structure))
 129                 for (int i = 0; driver_list[i]; i++) {
 130                         unique_ptr<Driver> driver {new Driver{driver_list[i]}};
 131                         _drivers.emplace(driver->name(), move(driver));
 132                 }
 133
 134         if (const struct sr_input_module **input_list = sr_input_list())
 135                 for (int i = 0; input_list[i]; i++) {
 136                         unique_ptr<InputFormat> input {new InputFormat{input_list[i]}};
 137                         _input_formats.emplace(input->name(), move(input));
 138                 }
 139
 140         if (const struct sr_output_module **output_list = sr_output_list())
 141                 for (int i = 0; output_list[i]; i++) {
 142                         unique_ptr<OutputFormat> output {new OutputFormat{output_list[i]}};
 143                         _output_formats.emplace(output->name(), move(output));
 144                 }
 145 }
 146
 147 string Context::package_version()
 148 {
 149         return sr_package_version_string_get();
 150 }
 151
 152 string Context::lib_version()
 153 {
 154         return sr_lib_version_string_get();
 155 }
 156
 157 map<string, shared_ptr<Driver>> Context::drivers()
 158 {
 159         map<string, shared_ptr<Driver>> result;
 160         for (const auto &entry: _drivers) {
 161                 const auto &name = entry.first;
 162                 const auto &driver = entry.second;
 163                 result.emplace(name, driver->share_owned_by(shared_from_this()));
 164         }
 165         return result;
 166 }
 167
 168 map<string, shared_ptr<InputFormat>> Context::input_formats()
 169 {
 170         map<string, shared_ptr<InputFormat>> result;
 171         for (const auto &entry: _input_formats) {
 172                 const auto &name = entry.first;
 173                 const auto &input_format = entry.second;
 174                 result.emplace(name, input_format->share_owned_by(shared_from_this()));
 175         }
 176         return result;
 177 }
 178
 179 map<string, shared_ptr<OutputFormat>> Context::output_formats()
 180 {
 181         map<string, shared_ptr<OutputFormat>> result;
 182         for (const auto &entry: _output_formats) {
 183                 const auto &name = entry.first;
 184                 const auto &output_format = entry.second;
 185                 result.emplace(name, output_format->share_owned_by(shared_from_this()));
 186         }
 187         return result;
 188 }
 189
 190 Context::~Context()
 191 {
 192         check(sr_exit(_structure));
 193 }
 194
 195 const LogLevel *Context::log_level() const
 196 {
 197         return LogLevel::get(sr_log_loglevel_get());
 198 }
 199
 200 void Context::set_log_level(const LogLevel *level)
 201 {
 202         check(sr_log_loglevel_set(level->id()));
 203 }
 204
 205 static int call_log_callback(void *cb_data, int loglevel,
 206                 const char *format, va_list args) noexcept
 207 {
 208         const unique_ptr<char, decltype(&g_free)>
 209                 message {g_strdup_vprintf(format, args), &g_free};
 210
 211         auto *const callback = static_cast<LogCallbackFunction *>(cb_data);
 212
 213         try {
 214                 (*callback)(LogLevel::get(loglevel), message.get());
 215         } catch (Error e) {
 216                 return e.result;
 217         }
 218
 219         return SR_OK;
 220 }
 221
 222 void Context::set_log_callback(LogCallbackFunction callback)
 223 {
 224         _log_callback = move(callback);
 225         check(sr_log_callback_set(call_log_callback, &_log_callback));
 226 }
 227
 228 void Context::set_log_callback_default()
 229 {
 230         check(sr_log_callback_set_default());
 231         _log_callback = nullptr;
 232 }
 233
 234 void Context::set_resource_reader(ResourceReader *reader)
 235 {
 236         if (reader) {
 237                 check(sr_resource_set_hooks(_structure,
 238                                 &ResourceReader::open_callback,
 239                                 &ResourceReader::close_callback,
 240                                 &ResourceReader::read_callback, reader));
 241         } else {
 242                 check(sr_resource_set_hooks(_structure,
 243                                 nullptr, nullptr, nullptr, nullptr));
 244         }
 245 }
 246
 247 shared_ptr<Session> Context::create_session()
 248 {
 249         return shared_ptr<Session>{new Session{shared_from_this()},
 250                 default_delete<Session>{}};
 251 }
 252
 253 shared_ptr<UserDevice> Context::create_user_device(
 254                 string vendor, string model, string version)
 255 {
 256         return shared_ptr<UserDevice>{
 257                 new UserDevice{move(vendor), move(model), move(version)},
 258                 default_delete<UserDevice>{}};
 259 }
 260
 261 shared_ptr<Packet> Context::create_header_packet(Glib::TimeVal start_time)
 262 {
 263         auto header = g_new(struct sr_datafeed_header, 1);
 264         header->feed_version = 1;
 265         header->starttime.tv_sec = start_time.tv_sec;
 266         header->starttime.tv_usec = start_time.tv_usec;
 267         auto packet = g_new(struct sr_datafeed_packet, 1);
 268         packet->type = SR_DF_HEADER;
 269         packet->payload = header;
 270         return shared_ptr<Packet>{new Packet{nullptr, packet},
 271                 default_delete<Packet>{}};
 272 }
 273
 274 shared_ptr<Packet> Context::create_meta_packet(
 275         map<const ConfigKey *, Glib::VariantBase> config)
 276 {
 277         auto meta = g_new0(struct sr_datafeed_meta, 1);
 278         for (const auto &input : config) {
 279                 const auto &key = input.first;
 280                 const auto &value = input.second;
 281                 auto *const output = g_new(struct sr_config, 1);
 282                 output->key = key->id();
 283                 output->data = value.gobj_copy();
 284                 meta->config = g_slist_append(meta->config, output);
 285         }
 286         auto packet = g_new(struct sr_datafeed_packet, 1);
 287         packet->type = SR_DF_META;
 288         packet->payload = meta;
 289         return shared_ptr<Packet>{new Packet{nullptr, packet},
 290                 default_delete<Packet>{}};
 291 }
 292
 293 shared_ptr<Packet> Context::create_logic_packet(
 294         void *data_pointer, size_t data_length, unsigned int unit_size)
 295 {
 296         auto logic = g_new(struct sr_datafeed_logic, 1);
 297         logic->length = data_length;
 298         logic->unitsize = unit_size;
 299         logic->data = data_pointer;
 300         auto packet = g_new(struct sr_datafeed_packet, 1);
 301         packet->type = SR_DF_LOGIC;
 302         packet->payload = logic;
 303         return shared_ptr<Packet>{new Packet{nullptr, packet}, default_delete<Packet>{}};
 304 }
 305
 306 shared_ptr<Packet> Context::create_analog_packet(
 307         vector<shared_ptr<Channel> > channels,
 308         const float *data_pointer, unsigned int num_samples, const Quantity *mq,
 309         const Unit *unit, vector<const QuantityFlag *> mqflags)
 310 {
 311         auto analog = g_new0(struct sr_datafeed_analog, 1);
 312         auto meaning = g_new0(struct sr_analog_meaning, 1);
 313         auto encoding = g_new0(struct sr_analog_encoding, 1);
 314         auto spec = g_new0(struct sr_analog_spec, 1);
 315
 316         analog->meaning = meaning;
 317
 318         for (const auto &channel : channels)
 319                 meaning->channels = g_slist_append(meaning->channels, channel->_structure);
 320         meaning->mq = static_cast<sr_mq>(mq->id());
 321         meaning->unit = static_cast<sr_unit>(unit->id());
 322         meaning->mqflags = static_cast<sr_mqflag>(QuantityFlag::mask_from_flags(move(mqflags)));
 323
 324         analog->encoding = encoding;
 325
 326         encoding->unitsize = sizeof(float);
 327         encoding->is_signed = TRUE;
 328         encoding->is_float = TRUE;
 329 #ifdef WORDS_BIGENDIAN
 330         encoding->is_bigendian = TRUE;
 331 #else
 332         encoding->is_bigendian = FALSE;
 333 #endif
 334         encoding->digits = 0;
 335         encoding->is_digits_decimal = FALSE;
 336         encoding->scale.p = 1;
 337         encoding->scale.q = 1;
 338         encoding->offset.p = 0;
 339         encoding->offset.q = 1;
 340
 341         analog->spec = spec;
 342
 343         spec->spec_digits = 0;
 344
 345         analog->num_samples = num_samples;
 346         analog->data = (float*)data_pointer;
 347         auto packet = g_new(struct sr_datafeed_packet, 1);
 348         packet->type = SR_DF_ANALOG;
 349         packet->payload = analog;
 350         return shared_ptr<Packet>{new Packet{nullptr, packet}, default_delete<Packet>{}};
 351 }
 352
 353 shared_ptr<Session> Context::load_session(string filename)
 354 {
 355         return shared_ptr<Session>{
 356                 new Session{shared_from_this(), move(filename)},
 357                 default_delete<Session>{}};
 358 }
 359
 360 shared_ptr<Trigger> Context::create_trigger(string name)
 361 {
 362         return shared_ptr<Trigger>{
 363                 new Trigger{shared_from_this(), move(name)},
 364                 default_delete<Trigger>{}};
 365 }
 366
 367 shared_ptr<Input> Context::open_file(string filename)
 368 {
 369         const struct sr_input *input;
 370
 371         check(sr_input_scan_file(filename.c_str(), &input));
 372         return shared_ptr<Input>{
 373                 new Input{shared_from_this(), input},
 374                 default_delete<Input>{}};
 375 }
 376
 377 shared_ptr<Input> Context::open_stream(string header)
 378 {
 379         const struct sr_input *input;
 380
 381         auto gstr = g_string_new(header.c_str());
 382         auto ret = sr_input_scan_buffer(gstr, &input);
 383         g_string_free(gstr, true);
 384         check(ret);
 385         return shared_ptr<Input>{
 386                 new Input{shared_from_this(), input},
 387                 default_delete<Input>{}};
 388 }
 389
 390 map<string, string> Context::serials(shared_ptr<Driver> driver) const
 391 {
 392         GSList *serial_list = sr_serial_list(driver ? driver->_structure : nullptr);
 393         map<string, string> serials;
 394
 395         for (GSList *serial = serial_list; serial; serial = serial->next) {
 396                 auto *const port = static_cast<sr_serial_port *>(serial->data);
 397                 serials[string(port->name)] = string(port->description);
 398         }
 399
 400         g_slist_free_full(serial_list,
 401                 reinterpret_cast<GDestroyNotify>(&sr_serial_free));
 402         return serials;
 403 }
 404
 405 Driver::Driver(struct sr_dev_driver *structure) :
 406         Configurable(structure, nullptr, nullptr),
 407         _structure(structure),
 408         _initialized(false)
 409 {
 410 }
 411
 412 Driver::~Driver()
 413 {
 414 }
 415
 416 string Driver::name() const
 417 {
 418         return valid_string(_structure->name);
 419 }
 420
 421 string Driver::long_name() const
 422 {
 423         return valid_string(_structure->longname);
 424 }
 425
 426 set<const ConfigKey *> Driver::scan_options() const
 427 {
 428         GArray *opts = sr_driver_scan_options_list(_structure);
 429         set<const ConfigKey *> result;
 430         if (opts) {
 431                 for (guint i = 0; i < opts->len; i++)
 432                         result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
 433                 g_array_free(opts, TRUE);
 434         }
 435         return result;
 436 }
 437
 438 vector<shared_ptr<HardwareDevice>> Driver::scan(
 439         map<const ConfigKey *, Glib::VariantBase> options)
 440 {
 441         /* Initialise the driver if not yet done. */
 442         if (!_initialized) {
 443                 check(sr_driver_init(_parent->_structure, _structure));
 444                 _initialized = true;
 445         }
 446
 447         /* Translate scan options to GSList of struct sr_config pointers. */
 448         GSList *option_list = nullptr;
 449         for (const auto &entry : options) {
 450                 const auto &key = entry.first;
 451                 const auto &value = entry.second;
 452                 auto *const config = g_new(struct sr_config, 1);
 453                 config->key = key->id();
 454                 config->data = const_cast<GVariant*>(value.gobj());
 455                 option_list = g_slist_append(option_list, config);
 456         }
 457
 458         /* Run scan. */
 459         GSList *device_list = sr_driver_scan(_structure, option_list);
 460
 461         /* Free option list. */
 462         g_slist_free_full(option_list, g_free);
 463
 464
 465         /* Create device objects. */
 466         vector<shared_ptr<HardwareDevice>> result;
 467         for (GSList *device = device_list; device; device = device->next) {
 468                 auto *const sdi = static_cast<struct sr_dev_inst *>(device->data);
 469                 shared_ptr<HardwareDevice> hwdev {
 470                         new HardwareDevice{shared_from_this(), sdi},
 471                         default_delete<HardwareDevice>{}};
 472                 result.push_back(move(hwdev));
 473         }
 474
 475         /* Free GSList returned from scan. */
 476         g_slist_free(device_list);
 477
 478         return result;
 479 }
 480
 481 Configurable::Configurable(
 482                 struct sr_dev_driver *driver,
 483                 struct sr_dev_inst *sdi,
 484                 struct sr_channel_group *cg) :
 485         config_driver(driver),
 486         config_sdi(sdi),
 487         config_channel_group(cg)
 488 {
 489 }
 490
 491 Configurable::~Configurable()
 492 {
 493 }
 494
 495 set<const ConfigKey *> Configurable::config_keys() const
 496 {
 497         GArray *opts;
 498         set<const ConfigKey *> result;
 499
 500         opts = sr_dev_options(config_driver, config_sdi, config_channel_group);
 501
 502         if (opts) {
 503                 for (guint i = 0; i < opts->len; i++)
 504                         result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
 505                 g_array_free(opts, TRUE);
 506         }
 507
 508         return result;
 509 }
 510
 511 Glib::VariantBase Configurable::config_get(const ConfigKey *key) const
 512 {
 513         GVariant *data;
 514         check(sr_config_get(
 515                 config_driver, config_sdi, config_channel_group,
 516                 key->id(), &data));
 517         return Glib::VariantBase(data);
 518 }
 519
 520 void Configurable::config_set(const ConfigKey *key, const Glib::VariantBase &value)
 521 {
 522         check(sr_config_set(
 523                 config_sdi, config_channel_group,
 524                 key->id(), const_cast<GVariant*>(value.gobj())));
 525 }
 526
 527 set<const Capability *> Configurable::config_capabilities(const ConfigKey *key) const
 528 {
 529         int caps = sr_dev_config_capabilities_list(config_sdi,
 530                                 config_channel_group, key->id());
 531
 532         set<const Capability *> result;
 533
 534         for (auto cap: Capability::values())
 535                 if (caps & cap->id())
 536                         result.insert(cap);
 537
 538         return result;
 539 }
 540
 541 bool Configurable::config_check(const ConfigKey *key,
 542         const Capability *capability) const
 543 {
 544         int caps = sr_dev_config_capabilities_list(config_sdi,
 545                                 config_channel_group, key->id());
 546
 547         return (caps & capability->id());
 548 }
 549
 550 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key) const
 551 {
 552         GVariant *data;
 553         check(sr_config_list(
 554                 config_driver, config_sdi, config_channel_group,
 555                 key->id(), &data));
 556         return Glib::VariantContainerBase(data);
 557 }
 558
 559 Device::Device(struct sr_dev_inst *structure) :
 560         Configurable(sr_dev_inst_driver_get(structure), structure, nullptr),
 561         _structure(structure)
 562 {
 563         for (GSList *entry = sr_dev_inst_channels_get(structure); entry; entry = entry->next) {
 564                 auto *const ch = static_cast<struct sr_channel *>(entry->data);
 565                 unique_ptr<Channel> channel {new Channel{ch}};
 566                 _channels.emplace(ch, move(channel));
 567         }
 568
 569         for (GSList *entry = sr_dev_inst_channel_groups_get(structure); entry; entry = entry->next) {
 570                 auto *const cg = static_cast<struct sr_channel_group *>(entry->data);
 571                 unique_ptr<ChannelGroup> group {new ChannelGroup{this, cg}};
 572                 _channel_groups.emplace(group->name(), move(group));
 573         }
 574 }
 575
 576 Device::~Device()
 577 {
 578 }
 579
 580 string Device::vendor() const
 581 {
 582         return valid_string(sr_dev_inst_vendor_get(_structure));
 583 }
 584
 585 string Device::model() const
 586 {
 587         return valid_string(sr_dev_inst_model_get(_structure));
 588 }
 589
 590 string Device::version() const
 591 {
 592         return valid_string(sr_dev_inst_version_get(_structure));
 593 }
 594
 595 string Device::serial_number() const
 596 {
 597         return valid_string(sr_dev_inst_sernum_get(_structure));
 598 }
 599
 600 string Device::connection_id() const
 601 {
 602         return valid_string(sr_dev_inst_connid_get(_structure));
 603 }
 604
 605 vector<shared_ptr<Channel>> Device::channels()
 606 {
 607         vector<shared_ptr<Channel>> result;
 608         for (auto channel = sr_dev_inst_channels_get(_structure); channel; channel = channel->next) {
 609                 auto *const ch = static_cast<struct sr_channel *>(channel->data);
 610                 result.push_back(_channels[ch]->share_owned_by(get_shared_from_this()));
 611         }
 612         return result;
 613 }
 614
 615 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
 616 {
 617         return _channels[ptr]->share_owned_by(get_shared_from_this());
 618 }
 619
 620 map<string, shared_ptr<ChannelGroup>>
 621 Device::channel_groups()
 622 {
 623         map<string, shared_ptr<ChannelGroup>> result;
 624         for (const auto &entry: _channel_groups) {
 625                 const auto &name = entry.first;
 626                 const auto &channel_group = entry.second;
 627                 result.emplace(name, channel_group->share_owned_by(get_shared_from_this()));
 628         }
 629         return result;
 630 }
 631
 632 void Device::open()
 633 {
 634         check(sr_dev_open(_structure));
 635 }
 636
 637 void Device::close()
 638 {
 639         check(sr_dev_close(_structure));
 640 }
 641
 642 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
 643                 struct sr_dev_inst *structure) :
 644         Device(structure),
 645         _driver(move(driver))
 646 {
 647 }
 648
 649 HardwareDevice::~HardwareDevice()
 650 {
 651 }
 652
 653 shared_ptr<Device> HardwareDevice::get_shared_from_this()
 654 {
 655         return static_pointer_cast<Device>(shared_from_this());
 656 }
 657
 658 shared_ptr<Driver> HardwareDevice::driver()
 659 {
 660         return _driver;
 661 }
 662
 663 UserDevice::UserDevice(string vendor, string model, string version) :
 664         Device(sr_dev_inst_user_new(
 665                 vendor.c_str(), model.c_str(), version.c_str()))
 666 {
 667 }
 668
 669 UserDevice::~UserDevice()
 670 {
 671 }
 672
 673 shared_ptr<Device> UserDevice::get_shared_from_this()
 674 {
 675         return static_pointer_cast<Device>(shared_from_this());
 676 }
 677
 678 shared_ptr<Channel> UserDevice::add_channel(unsigned int index,
 679         const ChannelType *type, string name)
 680 {
 681         check(sr_dev_inst_channel_add(Device::_structure,
 682                 index, type->id(), name.c_str()));
 683         GSList *const last = g_slist_last(sr_dev_inst_channels_get(Device::_structure));
 684         auto *const ch = static_cast<struct sr_channel *>(last->data);
 685         unique_ptr<Channel> channel {new Channel{ch}};
 686         _channels.emplace(ch, move(channel));
 687         return get_channel(ch);
 688 }
 689
 690 Channel::Channel(struct sr_channel *structure) :
 691         _structure(structure),
 692         _type(ChannelType::get(_structure->type))
 693 {
 694 }
 695
 696 Channel::~Channel()
 697 {
 698 }
 699
 700 string Channel::name() const
 701 {
 702         return valid_string(_structure->name);
 703 }
 704
 705 void Channel::set_name(string name)
 706 {
 707         check(sr_dev_channel_name_set(_structure, name.c_str()));
 708 }
 709
 710 const ChannelType *Channel::type() const
 711 {
 712         return ChannelType::get(_structure->type);
 713 }
 714
 715 bool Channel::enabled() const
 716 {
 717         return _structure->enabled;
 718 }
 719
 720 void Channel::set_enabled(bool value)
 721 {
 722         check(sr_dev_channel_enable(_structure, value));
 723 }
 724
 725 unsigned int Channel::index() const
 726 {
 727         return _structure->index;
 728 }
 729
 730 ChannelGroup::ChannelGroup(const Device *device,
 731                 struct sr_channel_group *structure) :
 732         Configurable(sr_dev_inst_driver_get(device->_structure), device->_structure, structure)
 733 {
 734         for (GSList *entry = config_channel_group->channels; entry; entry = entry->next) {
 735                 auto *const ch = static_cast<struct sr_channel *>(entry->data);
 736                 /* Note: This relies on Device::_channels to keep the Channel
 737                  * objects around over the lifetime of the ChannelGroup. */
 738                 _channels.push_back(device->_channels.find(ch)->second.get());
 739         }
 740 }
 741
 742 ChannelGroup::~ChannelGroup()
 743 {
 744 }
 745
 746 string ChannelGroup::name() const
 747 {
 748         return valid_string(config_channel_group->name);
 749 }
 750
 751 vector<shared_ptr<Channel>> ChannelGroup::channels()
 752 {
 753         vector<shared_ptr<Channel>> result;
 754         for (const auto &channel : _channels)
 755                 result.push_back(channel->share_owned_by(_parent));
 756         return result;
 757 }
 758
 759 Trigger::Trigger(shared_ptr<Context> context, string name) :
 760         _structure(sr_trigger_new(name.c_str())),
 761         _context(move(context))
 762 {
 763         for (auto *stage = _structure->stages; stage; stage = stage->next) {
 764                 unique_ptr<TriggerStage> ts {new TriggerStage{
 765                                 static_cast<struct sr_trigger_stage *>(stage->data)}};
 766                 _stages.push_back(move(ts));
 767         }
 768 }
 769
 770 Trigger::~Trigger()
 771 {
 772         sr_trigger_free(_structure);
 773 }
 774
 775 string Trigger::name() const
 776 {
 777         return _structure->name;
 778 }
 779
 780 vector<shared_ptr<TriggerStage>> Trigger::stages()
 781 {
 782         vector<shared_ptr<TriggerStage>> result;
 783         for (const auto &stage : _stages)
 784                 result.push_back(stage->share_owned_by(shared_from_this()));
 785         return result;
 786 }
 787
 788 shared_ptr<TriggerStage> Trigger::add_stage()
 789 {
 790         unique_ptr<TriggerStage> stage {new TriggerStage{sr_trigger_stage_add(_structure)}};
 791         _stages.push_back(move(stage));
 792         return _stages.back()->share_owned_by(shared_from_this());
 793 }
 794
 795 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
 796         _structure(structure)
 797 {
 798 }
 799
 800 TriggerStage::~TriggerStage()
 801 {
 802 }
 803
 804 int TriggerStage::number() const
 805 {
 806         return _structure->stage;
 807 }
 808
 809 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
 810 {
 811         vector<shared_ptr<TriggerMatch>> result;
 812         for (const auto &match : _matches)
 813                 result.push_back(match->share_owned_by(shared_from_this()));
 814         return result;
 815 }
 816
 817 void TriggerStage::add_match(shared_ptr<Channel> channel,
 818         const TriggerMatchType *type, float value)
 819 {
 820         check(sr_trigger_match_add(_structure,
 821                 channel->_structure, type->id(), value));
 822         GSList *const last = g_slist_last(_structure->matches);
 823         unique_ptr<TriggerMatch> match {new TriggerMatch{
 824                         static_cast<struct sr_trigger_match *>(last->data),
 825                         move(channel)}};
 826         _matches.push_back(move(match));
 827 }
 828
 829 void TriggerStage::add_match(shared_ptr<Channel> channel,
 830         const TriggerMatchType *type)
 831 {
 832         add_match(move(channel), type, NAN);
 833 }
 834
 835 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
 836                 shared_ptr<Channel> channel) :
 837         _structure(structure),
 838         _channel(move(channel))
 839 {
 840 }
 841
 842 TriggerMatch::~TriggerMatch()
 843 {
 844 }
 845
 846 shared_ptr<Channel> TriggerMatch::channel()
 847 {
 848         return _channel;
 849 }
 850
 851 const TriggerMatchType *TriggerMatch::type() const
 852 {
 853         return TriggerMatchType::get(_structure->match);
 854 }
 855
 856 float TriggerMatch::value() const
 857 {
 858         return _structure->value;
 859 }
 860
 861 DatafeedCallbackData::DatafeedCallbackData(Session *session,
 862                 DatafeedCallbackFunction callback) :
 863         _callback(move(callback)),
 864         _session(session)
 865 {
 866 }
 867
 868 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
 869         const struct sr_datafeed_packet *pkt)
 870 {
 871         auto device = _session->get_device(sdi);
 872         shared_ptr<Packet> packet {new Packet{device, pkt}, default_delete<Packet>{}};
 873         _callback(move(device), move(packet));
 874 }
 875
 876 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
 877         Device(structure)
 878 {
 879 }
 880
 881 SessionDevice::~SessionDevice()
 882 {
 883 }
 884
 885 shared_ptr<Device> SessionDevice::get_shared_from_this()
 886 {
 887         return static_pointer_cast<Device>(shared_from_this());
 888 }
 889
 890 Session::Session(shared_ptr<Context> context) :
 891         _structure(nullptr),
 892         _context(move(context))
 893 {
 894         check(sr_session_new(_context->_structure, &_structure));
 895         _context->_session = this;
 896 }
 897
 898 Session::Session(shared_ptr<Context> context, string filename) :
 899         _structure(nullptr),
 900         _context(move(context)),
 901         _filename(move(filename))
 902 {
 903         check(sr_session_load(_context->_structure, _filename.c_str(), &_structure));
 904         GSList *dev_list;
 905         check(sr_session_dev_list(_structure, &dev_list));
 906         for (GSList *dev = dev_list; dev; dev = dev->next) {
 907                 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
 908                 unique_ptr<SessionDevice> device {new SessionDevice{sdi}};
 909                 _owned_devices.emplace(sdi, move(device));
 910         }
 911         _context->_session = this;
 912 }
 913
 914 Session::~Session()
 915 {
 916         check(sr_session_destroy(_structure));
 917 }
 918
 919 shared_ptr<Device> Session::get_device(const struct sr_dev_inst *sdi)
 920 {
 921         if (_owned_devices.count(sdi))
 922                 return static_pointer_cast<Device>(
 923                         _owned_devices[sdi]->share_owned_by(shared_from_this()));
 924         else if (_other_devices.count(sdi))
 925                 return _other_devices[sdi];
 926         else
 927                 throw Error(SR_ERR_BUG);
 928 }
 929
 930 void Session::add_device(shared_ptr<Device> device)
 931 {
 932         const auto dev_struct = device->_structure;
 933         check(sr_session_dev_add(_structure, dev_struct));
 934         _other_devices[dev_struct] = move(device);
 935 }
 936
 937 vector<shared_ptr<Device>> Session::devices()
 938 {
 939         GSList *dev_list;
 940         check(sr_session_dev_list(_structure, &dev_list));
 941         vector<shared_ptr<Device>> result;
 942         for (GSList *dev = dev_list; dev; dev = dev->next) {
 943                 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
 944                 result.push_back(get_device(sdi));
 945         }
 946         return result;
 947 }
 948
 949 void Session::remove_devices()
 950 {
 951         _other_devices.clear();
 952         check(sr_session_dev_remove_all(_structure));
 953 }
 954
 955 void Session::start()
 956 {
 957         check(sr_session_start(_structure));
 958 }
 959
 960 void Session::run()
 961 {
 962         check(sr_session_run(_structure));
 963 }
 964
 965 void Session::stop()
 966 {
 967         check(sr_session_stop(_structure));
 968 }
 969
 970 bool Session::is_running() const
 971 {
 972         const int ret = sr_session_is_running(_structure);
 973         if (ret < 0)
 974                 throw Error{ret};
 975         return (ret != 0);
 976 }
 977
 978 static void session_stopped_callback(void *data) noexcept
 979 {
 980         auto *const callback = static_cast<SessionStoppedCallback*>(data);
 981         (*callback)();
 982 }
 983
 984 void Session::set_stopped_callback(SessionStoppedCallback callback)
 985 {
 986         _stopped_callback = move(callback);
 987         if (_stopped_callback)
 988                 check(sr_session_stopped_callback_set(_structure,
 989                                 &session_stopped_callback, &_stopped_callback));
 990         else
 991                 check(sr_session_stopped_callback_set(_structure,
 992                                 nullptr, nullptr));
 993 }
 994
 995 static void datafeed_callback(const struct sr_dev_inst *sdi,
 996         const struct sr_datafeed_packet *pkt, void *cb_data) noexcept
 997 {
 998         auto callback = static_cast<DatafeedCallbackData *>(cb_data);
 999         callback->run(sdi, pkt);
1000 }
1001
1002 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
1003 {
1004         unique_ptr<DatafeedCallbackData> cb_data
1005                 {new DatafeedCallbackData{this, move(callback)}};
1006         check(sr_session_datafeed_callback_add(_structure,
1007                         &datafeed_callback, cb_data.get()));
1008         _datafeed_callbacks.push_back(move(cb_data));
1009 }
1010
1011 void Session::remove_datafeed_callbacks()
1012 {
1013         check(sr_session_datafeed_callback_remove_all(_structure));
1014         _datafeed_callbacks.clear();
1015 }
1016
1017 shared_ptr<Trigger> Session::trigger()
1018 {
1019         return _trigger;
1020 }
1021
1022 void Session::set_trigger(shared_ptr<Trigger> trigger)
1023 {
1024         if (!trigger)
1025                 // Set NULL trigger, i.e. remove any trigger from the session.
1026                 check(sr_session_trigger_set(_structure, nullptr));
1027         else
1028                 check(sr_session_trigger_set(_structure, trigger->_structure));
1029         _trigger = move(trigger);
1030 }
1031
1032 string Session::filename() const
1033 {
1034         return _filename;
1035 }
1036
1037 shared_ptr<Context> Session::context()
1038 {
1039         return _context;
1040 }
1041
1042 Packet::Packet(shared_ptr<Device> device,
1043         const struct sr_datafeed_packet *structure) :
1044         _structure(structure),
1045         _device(move(device))
1046 {
1047         switch (structure->type)
1048         {
1049                 case SR_DF_HEADER:
1050                         _payload.reset(new Header{
1051                                 static_cast<const struct sr_datafeed_header *>(
1052                                         structure->payload)});
1053                         break;
1054                 case SR_DF_META:
1055                         _payload.reset(new Meta{
1056                                 static_cast<const struct sr_datafeed_meta *>(
1057                                         structure->payload)});
1058                         break;
1059                 case SR_DF_LOGIC:
1060                         _payload.reset(new Logic{
1061                                 static_cast<const struct sr_datafeed_logic *>(
1062                                         structure->payload)});
1063                         break;
1064                 case SR_DF_ANALOG:
1065                         _payload.reset(new Analog{
1066                                 static_cast<const struct sr_datafeed_analog *>(
1067                                         structure->payload)});
1068                         break;
1069         }
1070 }
1071
1072 Packet::~Packet()
1073 {
1074 }
1075
1076 const PacketType *Packet::type() const
1077 {
1078         return PacketType::get(_structure->type);
1079 }
1080
1081 shared_ptr<PacketPayload> Packet::payload()
1082 {
1083         if (_payload)
1084                 return _payload->share_owned_by(shared_from_this());
1085         else
1086                 throw Error(SR_ERR_NA);
1087 }
1088
1089 PacketPayload::PacketPayload()
1090 {
1091 }
1092
1093 PacketPayload::~PacketPayload()
1094 {
1095 }
1096
1097 Header::Header(const struct sr_datafeed_header *structure) :
1098         PacketPayload(),
1099         _structure(structure)
1100 {
1101 }
1102
1103 Header::~Header()
1104 {
1105 }
1106
1107 shared_ptr<PacketPayload> Header::share_owned_by(shared_ptr<Packet> _parent)
1108 {
1109         return static_pointer_cast<PacketPayload>(
1110                 ParentOwned::share_owned_by(_parent));
1111 }
1112
1113 int Header::feed_version() const
1114 {
1115         return _structure->feed_version;
1116 }
1117
1118 Glib::TimeVal Header::start_time() const
1119 {
1120         return Glib::TimeVal(
1121                 _structure->starttime.tv_sec,
1122                 _structure->starttime.tv_usec);
1123 }
1124
1125 Meta::Meta(const struct sr_datafeed_meta *structure) :
1126         PacketPayload(),
1127         _structure(structure)
1128 {
1129 }
1130
1131 Meta::~Meta()
1132 {
1133 }
1134
1135 shared_ptr<PacketPayload> Meta::share_owned_by(shared_ptr<Packet> _parent)
1136 {
1137         return static_pointer_cast<PacketPayload>(
1138                 ParentOwned::share_owned_by(_parent));
1139 }
1140
1141 map<const ConfigKey *, Glib::VariantBase> Meta::config() const
1142 {
1143         map<const ConfigKey *, Glib::VariantBase> result;
1144         for (auto l = _structure->config; l; l = l->next) {
1145                 auto *const config = static_cast<struct sr_config *>(l->data);
1146                 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data, true);
1147         }
1148         return result;
1149 }
1150
1151 Logic::Logic(const struct sr_datafeed_logic *structure) :
1152         PacketPayload(),
1153         _structure(structure)
1154 {
1155 }
1156
1157 Logic::~Logic()
1158 {
1159 }
1160
1161 shared_ptr<PacketPayload> Logic::share_owned_by(shared_ptr<Packet> _parent)
1162 {
1163         return static_pointer_cast<PacketPayload>(
1164                 ParentOwned::share_owned_by(_parent));
1165 }
1166
1167 void *Logic::data_pointer()
1168 {
1169         return _structure->data;
1170 }
1171
1172 size_t Logic::data_length() const
1173 {
1174         return _structure->length;
1175 }
1176
1177 unsigned int Logic::unit_size() const
1178 {
1179         return _structure->unitsize;
1180 }
1181
1182 Analog::Analog(const struct sr_datafeed_analog *structure) :
1183         PacketPayload(),
1184         _structure(structure)
1185 {
1186 }
1187
1188 Analog::~Analog()
1189 {
1190 }
1191
1192 shared_ptr<PacketPayload> Analog::share_owned_by(shared_ptr<Packet> _parent)
1193 {
1194         return static_pointer_cast<PacketPayload>(
1195                 ParentOwned::share_owned_by(_parent));
1196 }
1197
1198 void *Analog::data_pointer()
1199 {
1200         return _structure->data;
1201 }
1202
1203 void Analog::get_data_as_float(float *dest)
1204 {
1205         check(sr_analog_to_float(_structure, dest));
1206 }
1207
1208 unsigned int Analog::num_samples() const
1209 {
1210         return _structure->num_samples;
1211 }
1212
1213 vector<shared_ptr<Channel>> Analog::channels()
1214 {
1215         vector<shared_ptr<Channel>> result;
1216         for (auto l = _structure->meaning->channels; l; l = l->next) {
1217                 auto *const ch = static_cast<struct sr_channel *>(l->data);
1218                 result.push_back(_parent->_device->get_channel(ch));
1219         }
1220         return result;
1221 }
1222
1223 unsigned int Analog::unitsize() const
1224 {
1225         return _structure->encoding->unitsize;
1226 }
1227
1228 bool Analog::is_signed() const
1229 {
1230         return _structure->encoding->is_signed;
1231 }
1232
1233 bool Analog::is_float() const
1234 {
1235         return _structure->encoding->is_float;
1236 }
1237
1238 bool Analog::is_bigendian() const
1239 {
1240         return _structure->encoding->is_bigendian;
1241 }
1242
1243 int Analog::digits() const
1244 {
1245         return _structure->encoding->digits;
1246 }
1247
1248 bool Analog::is_digits_decimal() const
1249 {
1250         return _structure->encoding->is_digits_decimal;
1251 }
1252
1253 shared_ptr<Rational> Analog::scale()
1254 {
1255         unique_ptr<Rational> scale;
1256         scale.reset(new Rational(&(_structure->encoding->scale)));
1257
1258         if (scale)
1259                 return scale->share_owned_by(shared_from_this());
1260         else
1261                 throw Error(SR_ERR_NA);
1262 }
1263
1264 shared_ptr<Rational> Analog::offset()
1265 {
1266         unique_ptr<Rational> offset;
1267         offset.reset(new Rational(&(_structure->encoding->offset)));
1268
1269         if (offset)
1270                 return offset->share_owned_by(shared_from_this());
1271         else
1272                 throw Error(SR_ERR_NA);
1273 }
1274
1275 const Quantity *Analog::mq() const
1276 {
1277         return Quantity::get(_structure->meaning->mq);
1278 }
1279
1280 const Unit *Analog::unit() const
1281 {
1282         return Unit::get(_structure->meaning->unit);
1283 }
1284
1285 vector<const QuantityFlag *> Analog::mq_flags() const
1286 {
1287         return QuantityFlag::flags_from_mask(_structure->meaning->mqflags);
1288 }
1289
1290 shared_ptr<Logic> Analog::get_logic_via_threshold(float threshold,
1291         uint8_t *data_ptr) const
1292 {
1293         auto datafeed = g_new(struct sr_datafeed_logic, 1);
1294         datafeed->length = num_samples();
1295         datafeed->unitsize = 1;
1296
1297         if (data_ptr)
1298                 datafeed->data = data_ptr;
1299         else
1300                 datafeed->data = g_malloc(datafeed->length);
1301
1302         shared_ptr<Logic> logic =
1303                 shared_ptr<Logic>{new Logic{datafeed}, default_delete<Logic>{}};
1304
1305         check(sr_a2l_threshold(_structure, threshold,
1306                 (uint8_t*)datafeed->data, datafeed->length));
1307
1308         return logic;
1309 }
1310
1311 shared_ptr<Logic> Analog::get_logic_via_schmitt_trigger(float lo_thr,
1312         float hi_thr, uint8_t *state, uint8_t *data_ptr) const
1313 {
1314         auto datafeed = g_new(struct sr_datafeed_logic, 1);
1315         datafeed->length = num_samples();
1316         datafeed->unitsize = 1;
1317
1318         if (data_ptr)
1319                 datafeed->data = data_ptr;
1320         else
1321                 datafeed->data = g_malloc(datafeed->length);
1322
1323         shared_ptr<Logic> logic =
1324                 shared_ptr<Logic>{new Logic{datafeed}, default_delete<Logic>{}};
1325
1326         check(sr_a2l_schmitt_trigger(_structure, lo_thr, hi_thr, state,
1327                 (uint8_t*)datafeed->data, datafeed->length));
1328
1329         return logic;
1330 }
1331
1332 Rational::Rational(const struct sr_rational *structure) :
1333         _structure(structure)
1334 {
1335 }
1336
1337 Rational::~Rational()
1338 {
1339 }
1340
1341 shared_ptr<Rational> Rational::share_owned_by(shared_ptr<Analog> _parent)
1342 {
1343         return static_pointer_cast<Rational>(
1344                 ParentOwned::share_owned_by(_parent));
1345 }
1346
1347 int64_t Rational::numerator() const
1348 {
1349         return _structure->p;
1350 }
1351
1352 uint64_t Rational::denominator() const
1353 {
1354         return _structure->q;
1355 }
1356
1357 float Rational::value() const
1358 {
1359         return (float)(_structure->p) / (float)(_structure->q);
1360 }
1361
1362 InputFormat::InputFormat(const struct sr_input_module *structure) :
1363         _structure(structure)
1364 {
1365 }
1366
1367 InputFormat::~InputFormat()
1368 {
1369 }
1370
1371 string InputFormat::name() const
1372 {
1373         return valid_string(sr_input_id_get(_structure));
1374 }
1375
1376 string InputFormat::description() const
1377 {
1378         return valid_string(sr_input_description_get(_structure));
1379 }
1380
1381 vector<string> InputFormat::extensions() const
1382 {
1383         vector<string> exts;
1384         for (const char *const *e = sr_input_extensions_get(_structure);
1385                 e && *e; e++)
1386                 exts.push_back(*e);
1387         return exts;
1388 }
1389
1390 map<string, shared_ptr<Option>> InputFormat::options()
1391 {
1392         map<string, shared_ptr<Option>> result;
1393
1394         if (const struct sr_option **options = sr_input_options_get(_structure)) {
1395                 shared_ptr<const struct sr_option *> option_array
1396                         {options, &sr_input_options_free};
1397                 for (int i = 0; options[i]; i++) {
1398                         shared_ptr<Option> opt {
1399                                 new Option{options[i], option_array},
1400                                 default_delete<Option>{}};
1401                         result.emplace(opt->id(), move(opt));
1402                 }
1403         }
1404         return result;
1405 }
1406
1407 shared_ptr<Input> InputFormat::create_input(
1408         map<string, Glib::VariantBase> options)
1409 {
1410         auto input = sr_input_new(_structure, map_to_hash_variant(options));
1411         if (!input)
1412                 throw Error(SR_ERR_ARG);
1413         return shared_ptr<Input>{new Input{_parent, input}, default_delete<Input>{}};
1414 }
1415
1416 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1417         _structure(structure),
1418         _context(move(context))
1419 {
1420 }
1421
1422 shared_ptr<InputDevice> Input::device()
1423 {
1424         if (!_device) {
1425                 auto sdi = sr_input_dev_inst_get(_structure);
1426                 if (!sdi)
1427                         throw Error(SR_ERR_NA);
1428                 _device.reset(new InputDevice{shared_from_this(), sdi});
1429         }
1430
1431         return _device->share_owned_by(shared_from_this());
1432 }
1433
1434 void Input::send(void *data, size_t length)
1435 {
1436         auto gstr = g_string_new_len(static_cast<char *>(data), length);
1437         auto ret = sr_input_send(_structure, gstr);
1438         g_string_free(gstr, true);
1439         check(ret);
1440 }
1441
1442 void Input::end()
1443 {
1444         check(sr_input_end(_structure));
1445 }
1446
1447 void Input::reset()
1448 {
1449         check(sr_input_reset(_structure));
1450 }
1451
1452 Input::~Input()
1453 {
1454         sr_input_free(_structure);
1455 }
1456
1457 InputDevice::InputDevice(shared_ptr<Input> input,
1458                 struct sr_dev_inst *structure) :
1459         Device(structure),
1460         _input(move(input))
1461 {
1462 }
1463
1464 InputDevice::~InputDevice()
1465 {
1466 }
1467
1468 shared_ptr<Device> InputDevice::get_shared_from_this()
1469 {
1470         return static_pointer_cast<Device>(shared_from_this());
1471 }
1472
1473 Option::Option(const struct sr_option *structure,
1474                 shared_ptr<const struct sr_option *> structure_array) :
1475         _structure(structure),
1476         _structure_array(move(structure_array))
1477 {
1478 }
1479
1480 Option::~Option()
1481 {
1482 }
1483
1484 string Option::id() const
1485 {
1486         return valid_string(_structure->id);
1487 }
1488
1489 string Option::name() const
1490 {
1491         return valid_string(_structure->name);
1492 }
1493
1494 string Option::description() const
1495 {
1496         return valid_string(_structure->desc);
1497 }
1498
1499 Glib::VariantBase Option::default_value() const
1500 {
1501         return Glib::VariantBase(_structure->def, true);
1502 }
1503
1504 vector<Glib::VariantBase> Option::values() const
1505 {
1506         vector<Glib::VariantBase> result;
1507         for (auto l = _structure->values; l; l = l->next) {
1508                 auto *const var = static_cast<GVariant *>(l->data);
1509                 result.push_back(Glib::VariantBase(var, true));
1510         }
1511         return result;
1512 }
1513
1514 Glib::VariantBase Option::parse_string(string value)
1515 {
1516         enum sr_datatype dt;
1517         Glib::VariantBase dflt = default_value();
1518         GVariant *tmpl = dflt.gobj();
1519
1520         if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_UINT64)) {
1521                 dt = SR_T_UINT64;
1522         } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_STRING)) {
1523                 dt = SR_T_STRING;
1524         } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_BOOLEAN)) {
1525                 dt = SR_T_BOOL;
1526         } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_DOUBLE)) {
1527                 dt = SR_T_FLOAT;
1528         } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_INT32)) {
1529                 dt = SR_T_INT32;
1530         } else {
1531                 throw Error(SR_ERR_BUG);
1532         }
1533         return ConfigKey::parse_string(value, dt);
1534 }
1535
1536 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1537         _structure(structure)
1538 {
1539 }
1540
1541 OutputFormat::~OutputFormat()
1542 {
1543 }
1544
1545 string OutputFormat::name() const
1546 {
1547         return valid_string(sr_output_id_get(_structure));
1548 }
1549
1550 string OutputFormat::description() const
1551 {
1552         return valid_string(sr_output_description_get(_structure));
1553 }
1554
1555 vector<string> OutputFormat::extensions() const
1556 {
1557         vector<string> exts;
1558         for (const char *const *e = sr_output_extensions_get(_structure);
1559                 e && *e; e++)
1560                 exts.push_back(*e);
1561         return exts;
1562 }
1563
1564 map<string, shared_ptr<Option>> OutputFormat::options()
1565 {
1566         map<string, shared_ptr<Option>> result;
1567
1568         if (const struct sr_option **options = sr_output_options_get(_structure)) {
1569                 shared_ptr<const struct sr_option *> option_array
1570                         {options, &sr_output_options_free};
1571                 for (int i = 0; options[i]; i++) {
1572                         shared_ptr<Option> opt {
1573                                 new Option{options[i], option_array},
1574                                 default_delete<Option>{}};
1575                         result.emplace(opt->id(), move(opt));
1576                 }
1577         }
1578         return result;
1579 }
1580
1581 shared_ptr<Output> OutputFormat::create_output(
1582         shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1583 {
1584         return shared_ptr<Output>{
1585                 new Output{shared_from_this(), move(device), move(options)},
1586                 default_delete<Output>{}};
1587 }
1588
1589 shared_ptr<Output> OutputFormat::create_output(string filename,
1590         shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1591 {
1592         return shared_ptr<Output>{
1593                 new Output{move(filename), shared_from_this(), move(device), move(options)},
1594                 default_delete<Output>{}};
1595 }
1596
1597 bool OutputFormat::test_flag(const OutputFlag *flag) const
1598 {
1599         return sr_output_test_flag(_structure, flag->id());
1600 }
1601
1602 Output::Output(shared_ptr<OutputFormat> format,
1603                 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1604         _structure(sr_output_new(format->_structure,
1605                 map_to_hash_variant(options), device->_structure, nullptr)),
1606         _format(move(format)),
1607         _device(move(device)),
1608         _options(move(options))
1609 {
1610 }
1611
1612 Output::Output(string filename, shared_ptr<OutputFormat> format,
1613                 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1614         _structure(sr_output_new(format->_structure,
1615                 map_to_hash_variant(options), device->_structure, filename.c_str())),
1616         _format(move(format)),
1617         _device(move(device)),
1618         _options(move(options))
1619 {
1620 }
1621
1622 Output::~Output()
1623 {
1624         check(sr_output_free(_structure));
1625 }
1626
1627 string Output::receive(shared_ptr<Packet> packet)
1628 {
1629         GString *out;
1630         check(sr_output_send(_structure, packet->_structure, &out));
1631         if (out) {
1632                 auto result = string(out->str, out->str + out->len);
1633                 g_string_free(out, true);
1634                 return result;
1635         } else {
1636                 return string();
1637         }
1638 }
1639
1640 #include <enums.cpp>
1641
1642 }