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