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