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 using namespace std;
  36
  37 /** Helper function to translate C errors to C++ exceptions. */
  38 static void check(int result)
  39 {
  40         if (result != SR_OK)
  41                 throw Error(result);
  42 }
  43
  44 /** Helper function to obtain valid strings from possibly null input. */
  45 static inline const char *valid_string(const char *input)
  46 {
  47         return (input) ? input : "";
  48 }
  49
  50 /** Helper function to convert between map<string, VariantBase> and GHashTable */
  51 static GHashTable *map_to_hash_variant(const map<string, Glib::VariantBase> &input)
  52 {
  53         auto *const output = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
  54                         reinterpret_cast<GDestroyNotify>(&g_variant_unref));
  55         for (const auto &entry : input)
  56                 g_hash_table_insert(output,
  57                         g_strdup(entry.first.c_str()),
  58                         entry.second.gobj_copy());
  59         return output;
  60 }
  61
  62 Error::Error(int result) : result(result)
  63 {
  64 }
  65
  66 const char *Error::what() const noexcept
  67 {
  68         return sr_strerror(result);
  69 }
  70
  71 Error::~Error() noexcept
  72 {
  73 }
  74
  75 ResourceReader::~ResourceReader()
  76 {
  77 }
  78
  79 SR_PRIV int ResourceReader::open_callback(struct sr_resource *res,
  80                 const char *name, void *cb_data) noexcept
  81 {
  82         try {
  83                 auto *const reader = static_cast<ResourceReader*>(cb_data);
  84                 reader->open(res, name);
  85         } catch (const Error &err) {
  86                 return err.result;
  87         } catch (...) {
  88                 return SR_ERR;
  89         }
  90         return SR_OK;
  91 }
  92
  93 SR_PRIV int ResourceReader::close_callback(struct sr_resource *res,
  94                 void *cb_data) noexcept
  95 {
  96         try {
  97                 auto *const reader = static_cast<ResourceReader*>(cb_data);
  98                 reader->close(res);
  99         } catch (const Error &err) {
 100                 return err.result;
 101         } catch (...) {
 102                 return SR_ERR;
 103         }
 104         return SR_OK;
 105 }
 106
 107 SR_PRIV gssize ResourceReader::read_callback(const struct sr_resource *res,
 108                 void *buf, size_t count, void *cb_data) noexcept
 109 {
 110         try {
 111                 auto *const reader = static_cast<ResourceReader*>(cb_data);
 112                 return reader->read(res, buf, count);
 113         } catch (const Error &err) {
 114                 return err.result;
 115         } catch (...) {
 116                 return SR_ERR;
 117         }
 118 }
 119
 120 shared_ptr<Context> Context::create()
 121 {
 122         return shared_ptr<Context>{new Context{}, default_delete<Context>{}};
 123 }
 124
 125 Context::Context() :
 126         _structure(nullptr),
 127         _session(nullptr)
 128 {
 129         check(sr_init(&_structure));
 130
 131         if (struct sr_dev_driver **driver_list = sr_driver_list(_structure))
 132                 for (int i = 0; driver_list[i]; i++) {
 133                         unique_ptr<Driver> driver {new Driver{driver_list[i]}};
 134                         _drivers.emplace(driver->name(), move(driver));
 135                 }
 136
 137         if (const struct sr_input_module **input_list = sr_input_list())
 138                 for (int i = 0; input_list[i]; i++) {
 139                         unique_ptr<InputFormat> input {new InputFormat{input_list[i]}};
 140                         _input_formats.emplace(input->name(), move(input));
 141                 }
 142
 143         if (const struct sr_output_module **output_list = sr_output_list())
 144                 for (int i = 0; output_list[i]; i++) {
 145                         unique_ptr<OutputFormat> output {new OutputFormat{output_list[i]}};
 146                         _output_formats.emplace(output->name(), move(output));
 147                 }
 148 }
 149
 150 string Context::package_version()
 151 {
 152         return sr_package_version_string_get();
 153 }
 154
 155 string Context::lib_version()
 156 {
 157         return sr_lib_version_string_get();
 158 }
 159
 160 map<string, shared_ptr<Driver>> Context::drivers()
 161 {
 162         map<string, shared_ptr<Driver>> result;
 163         for (const auto &entry: _drivers) {
 164                 const auto &name = entry.first;
 165                 const auto &driver = entry.second;
 166                 result.emplace(name, driver->share_owned_by(shared_from_this()));
 167         }
 168         return result;
 169 }
 170
 171 map<string, shared_ptr<InputFormat>> Context::input_formats()
 172 {
 173         map<string, shared_ptr<InputFormat>> result;
 174         for (const auto &entry: _input_formats) {
 175                 const auto &name = entry.first;
 176                 const auto &input_format = entry.second;
 177                 result.emplace(name, input_format->share_owned_by(shared_from_this()));
 178         }
 179         return result;
 180 }
 181
 182 shared_ptr<InputFormat> Context::input_format_match(string filename)
 183 {
 184         const struct sr_input *input;
 185         const struct sr_input_module *imod;
 186         int rc;
 187
 188         /*
 189          * Have the input module looked up for the specified file.
 190          * Failed lookup (or "successful lookup" with an empty result)
 191          * are non-fatal. Free the sr_input that was created by the
 192          * lookup routine, but grab the input module kind and return an
 193          * InputFormat instance to the application. This works because
 194          * the application passes a filename, no input data got buffered
 195          * in the sr_input that we release.
 196          */
 197         input = NULL;
 198         rc = sr_input_scan_file(filename.c_str(), &input);
 199         if (rc != SR_OK)
 200                 return nullptr;
 201         if (!input)
 202                 return nullptr;
 203         imod = sr_input_module_get(input);
 204         sr_input_free(input);
 205         return shared_ptr<InputFormat>{new InputFormat{imod}, default_delete<InputFormat>{}};
 206 }
 207
 208 map<string, shared_ptr<OutputFormat>> Context::output_formats()
 209 {
 210         map<string, shared_ptr<OutputFormat>> result;
 211         for (const auto &entry: _output_formats) {
 212                 const auto &name = entry.first;
 213                 const auto &output_format = entry.second;
 214                 result.emplace(name, output_format->share_owned_by(shared_from_this()));
 215         }
 216         return result;
 217 }
 218
 219 Context::~Context()
 220 {
 221         check(sr_exit(_structure));
 222 }
 223
 224 const LogLevel *Context::log_level() const
 225 {
 226         return LogLevel::get(sr_log_loglevel_get());
 227 }
 228
 229 void Context::set_log_level(const LogLevel *level)
 230 {
 231         check(sr_log_loglevel_set(level->id()));
 232 }
 233
 234 static int call_log_callback(void *cb_data, int loglevel,
 235                 const char *format, va_list args) noexcept
 236 {
 237         const unique_ptr<char, decltype(&g_free)>
 238                 message {g_strdup_vprintf(format, args), &g_free};
 239
 240         auto *const callback = static_cast<LogCallbackFunction *>(cb_data);
 241
 242         try {
 243                 (*callback)(LogLevel::get(loglevel), message.get());
 244         } catch (Error &e) {
 245                 return e.result;
 246         }
 247
 248         return SR_OK;
 249 }
 250
 251 void Context::set_log_callback(LogCallbackFunction callback)
 252 {
 253         _log_callback = move(callback);
 254         check(sr_log_callback_set(call_log_callback, &_log_callback));
 255 }
 256
 257 void Context::set_log_callback_default()
 258 {
 259         check(sr_log_callback_set_default());
 260         _log_callback = nullptr;
 261 }
 262
 263 void Context::set_resource_reader(ResourceReader *reader)
 264 {
 265         if (reader) {
 266                 check(sr_resource_set_hooks(_structure,
 267                                 &ResourceReader::open_callback,
 268                                 &ResourceReader::close_callback,
 269                                 &ResourceReader::read_callback, reader));
 270         } else {
 271                 check(sr_resource_set_hooks(_structure,
 272                                 nullptr, nullptr, nullptr, nullptr));
 273         }
 274 }
 275
 276 shared_ptr<Session> Context::create_session()
 277 {
 278         return shared_ptr<Session>{new Session{shared_from_this()},
 279                 default_delete<Session>{}};
 280 }
 281
 282 shared_ptr<UserDevice> Context::create_user_device(
 283                 string vendor, string model, string version)
 284 {
 285         return shared_ptr<UserDevice>{
 286                 new UserDevice{move(vendor), move(model), move(version)},
 287                 default_delete<UserDevice>{}};
 288 }
 289
 290 shared_ptr<Packet> Context::create_header_packet(Glib::DateTime start_time)
 291 {
 292         auto header = g_new(struct sr_datafeed_header, 1);
 293         header->feed_version = 1;
 294         header->starttime.tv_sec = start_time.to_unix();
 295         header->starttime.tv_usec = start_time.get_microsecond();
 296         auto packet = g_new(struct sr_datafeed_packet, 1);
 297         packet->type = SR_DF_HEADER;
 298         packet->payload = header;
 299         return shared_ptr<Packet>{new Packet{nullptr, packet},
 300                 default_delete<Packet>{}};
 301 }
 302
 303 shared_ptr<Packet> Context::create_meta_packet(
 304         map<const ConfigKey *, Glib::VariantBase> config)
 305 {
 306         auto meta = g_new0(struct sr_datafeed_meta, 1);
 307         for (const auto &input : config) {
 308                 const auto &key = input.first;
 309                 const auto &value = input.second;
 310                 auto *const output = g_new(struct sr_config, 1);
 311                 output->key = key->id();
 312                 output->data = value.gobj_copy();
 313                 meta->config = g_slist_append(meta->config, output);
 314         }
 315         auto packet = g_new(struct sr_datafeed_packet, 1);
 316         packet->type = SR_DF_META;
 317         packet->payload = meta;
 318         return shared_ptr<Packet>{new Packet{nullptr, packet},
 319                 default_delete<Packet>{}};
 320 }
 321
 322 shared_ptr<Packet> Context::create_logic_packet(
 323         void *data_pointer, size_t data_length, unsigned int unit_size)
 324 {
 325         auto logic = g_new(struct sr_datafeed_logic, 1);
 326         logic->length = data_length;
 327         logic->unitsize = unit_size;
 328         logic->data = data_pointer;
 329         auto packet = g_new(struct sr_datafeed_packet, 1);
 330         packet->type = SR_DF_LOGIC;
 331         packet->payload = logic;
 332         return shared_ptr<Packet>{new Packet{nullptr, packet}, default_delete<Packet>{}};
 333 }
 334
 335 shared_ptr<Packet> Context::create_analog_packet(
 336         vector<shared_ptr<Channel> > channels,
 337         const float *data_pointer, unsigned int num_samples, const Quantity *mq,
 338         const Unit *unit, vector<const QuantityFlag *> mqflags)
 339 {
 340         auto analog = g_new0(struct sr_datafeed_analog, 1);
 341         auto meaning = g_new0(struct sr_analog_meaning, 1);
 342         auto encoding = g_new0(struct sr_analog_encoding, 1);
 343         auto spec = g_new0(struct sr_analog_spec, 1);
 344
 345         analog->meaning = meaning;
 346
 347         for (const auto &channel : channels)
 348                 meaning->channels = g_slist_append(meaning->channels, channel->_structure);
 349         meaning->mq = static_cast<sr_mq>(mq->id());
 350         meaning->unit = static_cast<sr_unit>(unit->id());
 351         meaning->mqflags = static_cast<sr_mqflag>(QuantityFlag::mask_from_flags(move(mqflags)));
 352
 353         analog->encoding = encoding;
 354
 355         encoding->unitsize = sizeof(float);
 356         encoding->is_signed = TRUE;
 357         encoding->is_float = TRUE;
 358 #ifdef WORDS_BIGENDIAN
 359         encoding->is_bigendian = TRUE;
 360 #else
 361         encoding->is_bigendian = FALSE;
 362 #endif
 363         encoding->digits = 0;
 364         encoding->is_digits_decimal = FALSE;
 365         encoding->scale.p = 1;
 366         encoding->scale.q = 1;
 367         encoding->offset.p = 0;
 368         encoding->offset.q = 1;
 369
 370         analog->spec = spec;
 371
 372         spec->spec_digits = 0;
 373
 374         analog->num_samples = num_samples;
 375         analog->data = (float*)data_pointer;
 376         auto packet = g_new(struct sr_datafeed_packet, 1);
 377         packet->type = SR_DF_ANALOG;
 378         packet->payload = analog;
 379         return shared_ptr<Packet>{new Packet{nullptr, packet}, default_delete<Packet>{}};
 380 }
 381
 382 shared_ptr<Packet> Context::create_end_packet()
 383 {
 384         auto packet = g_new(struct sr_datafeed_packet, 1);
 385         packet->type = SR_DF_END;
 386         return shared_ptr<Packet>{new Packet{nullptr, packet},
 387                 default_delete<Packet>{}};
 388 }
 389
 390 shared_ptr<Session> Context::load_session(string filename)
 391 {
 392         return shared_ptr<Session>{
 393                 new Session{shared_from_this(), move(filename)},
 394                 default_delete<Session>{}};
 395 }
 396
 397 shared_ptr<Trigger> Context::create_trigger(string name)
 398 {
 399         return shared_ptr<Trigger>{
 400                 new Trigger{shared_from_this(), move(name)},
 401                 default_delete<Trigger>{}};
 402 }
 403
 404 shared_ptr<Input> Context::open_file(string filename)
 405 {
 406         const struct sr_input *input;
 407
 408         check(sr_input_scan_file(filename.c_str(), &input));
 409         return shared_ptr<Input>{
 410                 new Input{shared_from_this(), input},
 411                 default_delete<Input>{}};
 412 }
 413
 414 shared_ptr<Input> Context::open_stream(string header)
 415 {
 416         const struct sr_input *input;
 417
 418         auto gstr = g_string_new(header.c_str());
 419         auto ret = sr_input_scan_buffer(gstr, &input);
 420         g_string_free(gstr, true);
 421         check(ret);
 422         return shared_ptr<Input>{
 423                 new Input{shared_from_this(), input},
 424                 default_delete<Input>{}};
 425 }
 426
 427 map<string, string> Context::serials(shared_ptr<Driver> driver) const
 428 {
 429         GSList *serial_list = sr_serial_list(driver ? driver->_structure : nullptr);
 430         map<string, string> serials;
 431
 432         for (GSList *serial = serial_list; serial; serial = serial->next) {
 433                 auto *const port = static_cast<sr_serial_port *>(serial->data);
 434                 serials[string(port->name)] = string(port->description);
 435         }
 436
 437         g_slist_free_full(serial_list,
 438                 reinterpret_cast<GDestroyNotify>(&sr_serial_free));
 439         return serials;
 440 }
 441
 442 Driver::Driver(struct sr_dev_driver *structure) :
 443         Configurable(structure, nullptr, nullptr),
 444         _structure(structure),
 445         _initialized(false)
 446 {
 447 }
 448
 449 Driver::~Driver()
 450 {
 451 }
 452
 453 string Driver::name() const
 454 {
 455         return valid_string(_structure->name);
 456 }
 457
 458 string Driver::long_name() const
 459 {
 460         return valid_string(_structure->longname);
 461 }
 462
 463 set<const ConfigKey *> Driver::scan_options() const
 464 {
 465         GArray *opts = sr_driver_scan_options_list(_structure);
 466         set<const ConfigKey *> result;
 467         if (opts) {
 468                 for (guint i = 0; i < opts->len; i++)
 469                         result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
 470                 g_array_free(opts, TRUE);
 471         }
 472         return result;
 473 }
 474
 475 vector<shared_ptr<HardwareDevice>> Driver::scan(
 476         map<const ConfigKey *, Glib::VariantBase> options)
 477 {
 478         /* Initialise the driver if not yet done. */
 479         if (!_initialized) {
 480                 check(sr_driver_init(_parent->_structure, _structure));
 481                 _initialized = true;
 482         }
 483
 484         /* Translate scan options to GSList of struct sr_config pointers. */
 485         GSList *option_list = nullptr;
 486         for (const auto &entry : options) {
 487                 const auto &key = entry.first;
 488                 const auto &value = entry.second;
 489                 auto *const config = g_new(struct sr_config, 1);
 490                 config->key = key->id();
 491                 config->data = const_cast<GVariant*>(value.gobj());
 492                 option_list = g_slist_append(option_list, config);
 493         }
 494
 495         /* Run scan. */
 496         GSList *device_list = sr_driver_scan(_structure, option_list);
 497
 498         /* Free option list. */
 499         g_slist_free_full(option_list, g_free);
 500
 501
 502         /* Create device objects. */
 503         vector<shared_ptr<HardwareDevice>> result;
 504         for (GSList *device = device_list; device; device = device->next) {
 505                 auto *const sdi = static_cast<struct sr_dev_inst *>(device->data);
 506                 shared_ptr<HardwareDevice> hwdev {
 507                         new HardwareDevice{shared_from_this(), sdi},
 508                         default_delete<HardwareDevice>{}};
 509                 result.push_back(move(hwdev));
 510         }
 511
 512         /* Free GSList returned from scan. */
 513         g_slist_free(device_list);
 514
 515         return result;
 516 }
 517
 518 Configurable::Configurable(
 519                 struct sr_dev_driver *driver,
 520                 struct sr_dev_inst *sdi,
 521                 struct sr_channel_group *cg) :
 522         config_driver(driver),
 523         config_sdi(sdi),
 524         config_channel_group(cg)
 525 {
 526 }
 527
 528 Configurable::~Configurable()
 529 {
 530 }
 531
 532 set<const ConfigKey *> Configurable::config_keys() const
 533 {
 534         GArray *opts;
 535         set<const ConfigKey *> result;
 536
 537         opts = sr_dev_options(config_driver, config_sdi, config_channel_group);
 538
 539         if (opts) {
 540                 for (guint i = 0; i < opts->len; i++)
 541                         result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
 542                 g_array_free(opts, TRUE);
 543         }
 544
 545         return result;
 546 }
 547
 548 Glib::VariantBase Configurable::config_get(const ConfigKey *key) const
 549 {
 550         GVariant *data;
 551         check(sr_config_get(
 552                 config_driver, config_sdi, config_channel_group,
 553                 key->id(), &data));
 554         return Glib::VariantBase(data);
 555 }
 556
 557 void Configurable::config_set(const ConfigKey *key, const Glib::VariantBase &value)
 558 {
 559         check(sr_config_set(
 560                 config_sdi, config_channel_group,
 561                 key->id(), const_cast<GVariant*>(value.gobj())));
 562 }
 563
 564 set<const Capability *> Configurable::config_capabilities(const ConfigKey *key) const
 565 {
 566         int caps = sr_dev_config_capabilities_list(config_sdi,
 567                                 config_channel_group, key->id());
 568
 569         set<const Capability *> result;
 570
 571         for (auto cap: Capability::values())
 572                 if (caps & cap->id())
 573                         result.insert(cap);
 574
 575         return result;
 576 }
 577
 578 bool Configurable::config_check(const ConfigKey *key,
 579         const Capability *capability) const
 580 {
 581         int caps = sr_dev_config_capabilities_list(config_sdi,
 582                                 config_channel_group, key->id());
 583
 584         return (caps & capability->id());
 585 }
 586
 587 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key) const
 588 {
 589         GVariant *data;
 590         check(sr_config_list(
 591                 config_driver, config_sdi, config_channel_group,
 592                 key->id(), &data));
 593         return Glib::VariantContainerBase(data);
 594 }
 595
 596 Device::Device(struct sr_dev_inst *structure) :
 597         Configurable(sr_dev_inst_driver_get(structure), structure, nullptr),
 598         _structure(structure)
 599 {
 600         for (GSList *entry = sr_dev_inst_channels_get(structure); entry; entry = entry->next) {
 601                 auto *const ch = static_cast<struct sr_channel *>(entry->data);
 602                 unique_ptr<Channel> channel {new Channel{ch}};
 603                 _channels.emplace(ch, move(channel));
 604         }
 605
 606         for (GSList *entry = sr_dev_inst_channel_groups_get(structure); entry; entry = entry->next) {
 607                 auto *const cg = static_cast<struct sr_channel_group *>(entry->data);
 608                 unique_ptr<ChannelGroup> group {new ChannelGroup{this, cg}};
 609                 _channel_groups.emplace(group->name(), move(group));
 610         }
 611 }
 612
 613 Device::~Device()
 614 {
 615 }
 616
 617 string Device::vendor() const
 618 {
 619         return valid_string(sr_dev_inst_vendor_get(_structure));
 620 }
 621
 622 string Device::model() const
 623 {
 624         return valid_string(sr_dev_inst_model_get(_structure));
 625 }
 626
 627 string Device::version() const
 628 {
 629         return valid_string(sr_dev_inst_version_get(_structure));
 630 }
 631
 632 string Device::serial_number() const
 633 {
 634         return valid_string(sr_dev_inst_sernum_get(_structure));
 635 }
 636
 637 string Device::connection_id() const
 638 {
 639         return valid_string(sr_dev_inst_connid_get(_structure));
 640 }
 641
 642 vector<shared_ptr<Channel>> Device::channels()
 643 {
 644         vector<shared_ptr<Channel>> result;
 645         for (auto channel = sr_dev_inst_channels_get(_structure); channel; channel = channel->next) {
 646                 auto *const ch = static_cast<struct sr_channel *>(channel->data);
 647                 result.push_back(_channels[ch]->share_owned_by(get_shared_from_this()));
 648         }
 649         return result;
 650 }
 651
 652 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
 653 {
 654         return _channels[ptr]->share_owned_by(get_shared_from_this());
 655 }
 656
 657 map<string, shared_ptr<ChannelGroup>>
 658 Device::channel_groups()
 659 {
 660         map<string, shared_ptr<ChannelGroup>> result;
 661         for (const auto &entry: _channel_groups) {
 662                 const auto &name = entry.first;
 663                 const auto &channel_group = entry.second;
 664                 result.emplace(name, channel_group->share_owned_by(get_shared_from_this()));
 665         }
 666         return result;
 667 }
 668
 669 void Device::open()
 670 {
 671         check(sr_dev_open(_structure));
 672 }
 673
 674 void Device::close()
 675 {
 676         check(sr_dev_close(_structure));
 677 }
 678
 679 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
 680                 struct sr_dev_inst *structure) :
 681         Device(structure),
 682         _driver(move(driver))
 683 {
 684 }
 685
 686 HardwareDevice::~HardwareDevice()
 687 {
 688 }
 689
 690 shared_ptr<Device> HardwareDevice::get_shared_from_this()
 691 {
 692         return static_pointer_cast<Device>(shared_from_this());
 693 }
 694
 695 shared_ptr<Driver> HardwareDevice::driver()
 696 {
 697         return _driver;
 698 }
 699
 700 UserDevice::UserDevice(string vendor, string model, string version) :
 701         Device(sr_dev_inst_user_new(
 702                 vendor.c_str(), model.c_str(), version.c_str()))
 703 {
 704 }
 705
 706 UserDevice::~UserDevice()
 707 {
 708 }
 709
 710 shared_ptr<Device> UserDevice::get_shared_from_this()
 711 {
 712         return static_pointer_cast<Device>(shared_from_this());
 713 }
 714
 715 shared_ptr<Channel> UserDevice::add_channel(unsigned int index,
 716         const ChannelType *type, string name)
 717 {
 718         check(sr_dev_inst_channel_add(Device::_structure,
 719                 index, type->id(), name.c_str()));
 720         GSList *const last = g_slist_last(sr_dev_inst_channels_get(Device::_structure));
 721         auto *const ch = static_cast<struct sr_channel *>(last->data);
 722         unique_ptr<Channel> channel {new Channel{ch}};
 723         _channels.emplace(ch, move(channel));
 724         return get_channel(ch);
 725 }
 726
 727 Channel::Channel(struct sr_channel *structure) :
 728         _structure(structure),
 729         _type(ChannelType::get(_structure->type))
 730 {
 731 }
 732
 733 Channel::~Channel()
 734 {
 735 }
 736
 737 string Channel::name() const
 738 {
 739         return valid_string(_structure->name);
 740 }
 741
 742 void Channel::set_name(string name)
 743 {
 744         check(sr_dev_channel_name_set(_structure, name.c_str()));
 745 }
 746
 747 const ChannelType *Channel::type() const
 748 {
 749         return ChannelType::get(_structure->type);
 750 }
 751
 752 bool Channel::enabled() const
 753 {
 754         return _structure->enabled;
 755 }
 756
 757 void Channel::set_enabled(bool value)
 758 {
 759         check(sr_dev_channel_enable(_structure, value));
 760 }
 761
 762 unsigned int Channel::index() const
 763 {
 764         return _structure->index;
 765 }
 766
 767 ChannelGroup::ChannelGroup(const Device *device,
 768                 struct sr_channel_group *structure) :
 769         Configurable(sr_dev_inst_driver_get(device->_structure), device->_structure, structure)
 770 {
 771         for (GSList *entry = config_channel_group->channels; entry; entry = entry->next) {
 772                 auto *const ch = static_cast<struct sr_channel *>(entry->data);
 773                 /* Note: This relies on Device::_channels to keep the Channel
 774                  * objects around over the lifetime of the ChannelGroup. */
 775                 _channels.push_back(device->_channels.find(ch)->second.get());
 776         }
 777 }
 778
 779 ChannelGroup::~ChannelGroup()
 780 {
 781 }
 782
 783 string ChannelGroup::name() const
 784 {
 785         return valid_string(config_channel_group->name);
 786 }
 787
 788 vector<shared_ptr<Channel>> ChannelGroup::channels()
 789 {
 790         vector<shared_ptr<Channel>> result;
 791         for (const auto &channel : _channels)
 792                 result.push_back(channel->share_owned_by(_parent));
 793         return result;
 794 }
 795
 796 Trigger::Trigger(shared_ptr<Context> context, string name) :
 797         _structure(sr_trigger_new(name.c_str())),
 798         _context(move(context))
 799 {
 800         for (auto *stage = _structure->stages; stage; stage = stage->next) {
 801                 unique_ptr<TriggerStage> ts {new TriggerStage{
 802                                 static_cast<struct sr_trigger_stage *>(stage->data)}};
 803                 _stages.push_back(move(ts));
 804         }
 805 }
 806
 807 Trigger::~Trigger()
 808 {
 809         sr_trigger_free(_structure);
 810 }
 811
 812 string Trigger::name() const
 813 {
 814         return _structure->name;
 815 }
 816
 817 vector<shared_ptr<TriggerStage>> Trigger::stages()
 818 {
 819         vector<shared_ptr<TriggerStage>> result;
 820         for (const auto &stage : _stages)
 821                 result.push_back(stage->share_owned_by(shared_from_this()));
 822         return result;
 823 }
 824
 825 shared_ptr<TriggerStage> Trigger::add_stage()
 826 {
 827         unique_ptr<TriggerStage> stage {new TriggerStage{sr_trigger_stage_add(_structure)}};
 828         _stages.push_back(move(stage));
 829         return _stages.back()->share_owned_by(shared_from_this());
 830 }
 831
 832 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
 833         _structure(structure)
 834 {
 835 }
 836
 837 TriggerStage::~TriggerStage()
 838 {
 839 }
 840
 841 int TriggerStage::number() const
 842 {
 843         return _structure->stage;
 844 }
 845
 846 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
 847 {
 848         vector<shared_ptr<TriggerMatch>> result;
 849         for (const auto &match : _matches)
 850                 result.push_back(match->share_owned_by(shared_from_this()));
 851         return result;
 852 }
 853
 854 void TriggerStage::add_match(shared_ptr<Channel> channel,
 855         const TriggerMatchType *type, float value)
 856 {
 857         check(sr_trigger_match_add(_structure,
 858                 channel->_structure, type->id(), value));
 859         GSList *const last = g_slist_last(_structure->matches);
 860         unique_ptr<TriggerMatch> match {new TriggerMatch{
 861                         static_cast<struct sr_trigger_match *>(last->data),
 862                         move(channel)}};
 863         _matches.push_back(move(match));
 864 }
 865
 866 void TriggerStage::add_match(shared_ptr<Channel> channel,
 867         const TriggerMatchType *type)
 868 {
 869         add_match(move(channel), type, NAN);
 870 }
 871
 872 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
 873                 shared_ptr<Channel> channel) :
 874         _structure(structure),
 875         _channel(move(channel))
 876 {
 877 }
 878
 879 TriggerMatch::~TriggerMatch()
 880 {
 881 }
 882
 883 shared_ptr<Channel> TriggerMatch::channel()
 884 {
 885         return _channel;
 886 }
 887
 888 const TriggerMatchType *TriggerMatch::type() const
 889 {
 890         return TriggerMatchType::get(_structure->match);
 891 }
 892
 893 float TriggerMatch::value() const
 894 {
 895         return _structure->value;
 896 }
 897
 898 DatafeedCallbackData::DatafeedCallbackData(Session *session,
 899                 DatafeedCallbackFunction callback) :
 900         _callback(move(callback)),
 901         _session(session)
 902 {
 903 }
 904
 905 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
 906         const struct sr_datafeed_packet *pkt)
 907 {
 908         auto device = _session->get_device(sdi);
 909         shared_ptr<Packet> packet {new Packet{device, pkt}, default_delete<Packet>{}};
 910         _callback(move(device), move(packet));
 911 }
 912
 913 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
 914         Device(structure)
 915 {
 916 }
 917
 918 SessionDevice::~SessionDevice()
 919 {
 920 }
 921
 922 shared_ptr<Device> SessionDevice::get_shared_from_this()
 923 {
 924         return static_pointer_cast<Device>(shared_from_this());
 925 }
 926
 927 Session::Session(shared_ptr<Context> context) :
 928         _structure(nullptr),
 929         _context(move(context))
 930 {
 931         check(sr_session_new(_context->_structure, &_structure));
 932         _context->_session = this;
 933 }
 934
 935 Session::Session(shared_ptr<Context> context, string filename) :
 936         _structure(nullptr),
 937         _context(move(context)),
 938         _filename(move(filename))
 939 {
 940         check(sr_session_load(_context->_structure, _filename.c_str(), &_structure));
 941         GSList *dev_list;
 942         check(sr_session_dev_list(_structure, &dev_list));
 943         for (GSList *dev = dev_list; dev; dev = dev->next) {
 944                 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
 945                 unique_ptr<SessionDevice> device {new SessionDevice{sdi}};
 946                 _owned_devices.emplace(sdi, move(device));
 947         }
 948         _context->_session = this;
 949         g_slist_free(dev_list);
 950 }
 951
 952 Session::~Session()
 953 {
 954         check(sr_session_destroy(_structure));
 955 }
 956
 957 shared_ptr<Device> Session::get_device(const struct sr_dev_inst *sdi)
 958 {
 959         if (_owned_devices.count(sdi))
 960                 return static_pointer_cast<Device>(
 961                         _owned_devices[sdi]->share_owned_by(shared_from_this()));
 962         else if (_other_devices.count(sdi))
 963                 return _other_devices[sdi];
 964         else
 965                 throw Error(SR_ERR_BUG);
 966 }
 967
 968 void Session::add_device(shared_ptr<Device> device)
 969 {
 970         const auto dev_struct = device->_structure;
 971         check(sr_session_dev_add(_structure, dev_struct));
 972         _other_devices[dev_struct] = move(device);
 973 }
 974
 975 vector<shared_ptr<Device>> Session::devices()
 976 {
 977         GSList *dev_list;
 978         check(sr_session_dev_list(_structure, &dev_list));
 979         vector<shared_ptr<Device>> result;
 980         for (GSList *dev = dev_list; dev; dev = dev->next) {
 981                 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
 982                 result.push_back(get_device(sdi));
 983         }
 984         g_slist_free(dev_list);
 985         return result;
 986 }
 987
 988 void Session::remove_devices()
 989 {
 990         _other_devices.clear();
 991         check(sr_session_dev_remove_all(_structure));
 992 }
 993
 994 void Session::start()
 995 {
 996         check(sr_session_start(_structure));
 997 }
 998
 999 void Session::run()
1000 {
1001         check(sr_session_run(_structure));
1002 }
1003
1004 void Session::stop()
1005 {
1006         check(sr_session_stop(_structure));
1007 }
1008
1009 bool Session::is_running() const
1010 {
1011         const int ret = sr_session_is_running(_structure);
1012         if (ret < 0)
1013                 throw Error{ret};
1014         return (ret != 0);
1015 }
1016
1017 static void session_stopped_callback(void *data) noexcept
1018 {
1019         auto *const callback = static_cast<SessionStoppedCallback*>(data);
1020         (*callback)();
1021 }
1022
1023 void Session::set_stopped_callback(SessionStoppedCallback callback)
1024 {
1025         _stopped_callback = move(callback);
1026         if (_stopped_callback)
1027                 check(sr_session_stopped_callback_set(_structure,
1028                                 &session_stopped_callback, &_stopped_callback));
1029         else
1030                 check(sr_session_stopped_callback_set(_structure,
1031                                 nullptr, nullptr));
1032 }
1033
1034 static void datafeed_callback(const struct sr_dev_inst *sdi,
1035         const struct sr_datafeed_packet *pkt, void *cb_data) noexcept
1036 {
1037         auto callback = static_cast<DatafeedCallbackData *>(cb_data);
1038         callback->run(sdi, pkt);
1039 }
1040
1041 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
1042 {
1043         unique_ptr<DatafeedCallbackData> cb_data
1044                 {new DatafeedCallbackData{this, move(callback)}};
1045         check(sr_session_datafeed_callback_add(_structure,
1046                         &datafeed_callback, cb_data.get()));
1047         _datafeed_callbacks.push_back(move(cb_data));
1048 }
1049
1050 void Session::remove_datafeed_callbacks()
1051 {
1052         check(sr_session_datafeed_callback_remove_all(_structure));
1053         _datafeed_callbacks.clear();
1054 }
1055
1056 shared_ptr<Trigger> Session::trigger()
1057 {
1058         return _trigger;
1059 }
1060
1061 void Session::set_trigger(shared_ptr<Trigger> trigger)
1062 {
1063         if (!trigger)
1064                 // Set NULL trigger, i.e. remove any trigger from the session.
1065                 check(sr_session_trigger_set(_structure, nullptr));
1066         else
1067                 check(sr_session_trigger_set(_structure, trigger->_structure));
1068         _trigger = move(trigger);
1069 }
1070
1071 string Session::filename() const
1072 {
1073         return _filename;
1074 }
1075
1076 shared_ptr<Context> Session::context()
1077 {
1078         return _context;
1079 }
1080
1081 Packet::Packet(shared_ptr<Device> device,
1082         const struct sr_datafeed_packet *structure) :
1083         _structure(structure),
1084         _device(move(device))
1085 {
1086         switch (structure->type)
1087         {
1088                 case SR_DF_HEADER:
1089                         _payload.reset(new Header{
1090                                 static_cast<const struct sr_datafeed_header *>(
1091                                         structure->payload)});
1092                         break;
1093                 case SR_DF_META:
1094                         _payload.reset(new Meta{
1095                                 static_cast<const struct sr_datafeed_meta *>(
1096                                         structure->payload)});
1097                         break;
1098                 case SR_DF_LOGIC:
1099                         _payload.reset(new Logic{
1100                                 static_cast<const struct sr_datafeed_logic *>(
1101                                         structure->payload)});
1102                         break;
1103                 case SR_DF_ANALOG:
1104                         _payload.reset(new Analog{
1105                                 static_cast<const struct sr_datafeed_analog *>(
1106                                         structure->payload)});
1107                         break;
1108         }
1109 }
1110
1111 Packet::~Packet()
1112 {
1113 }
1114
1115 const PacketType *Packet::type() const
1116 {
1117         return PacketType::get(_structure->type);
1118 }
1119
1120 shared_ptr<PacketPayload> Packet::payload()
1121 {
1122         if (_payload)
1123                 return _payload->share_owned_by(shared_from_this());
1124         else
1125                 throw Error(SR_ERR_NA);
1126 }
1127
1128 PacketPayload::PacketPayload()
1129 {
1130 }
1131
1132 PacketPayload::~PacketPayload()
1133 {
1134 }
1135
1136 Header::Header(const struct sr_datafeed_header *structure) :
1137         PacketPayload(),
1138         _structure(structure)
1139 {
1140 }
1141
1142 Header::~Header()
1143 {
1144 }
1145
1146 shared_ptr<PacketPayload> Header::share_owned_by(shared_ptr<Packet> _parent)
1147 {
1148         return static_pointer_cast<PacketPayload>(
1149                 ParentOwned::share_owned_by(_parent));
1150 }
1151
1152 int Header::feed_version() const
1153 {
1154         return _structure->feed_version;
1155 }
1156
1157 Glib::DateTime Header::start_time() const
1158 {
1159         Glib::DateTime time = Glib::DateTime::create_now_utc(_structure->starttime.tv_sec);
1160         return time.add_seconds(_structure->starttime.tv_usec / 1.0e6);
1161 }
1162
1163 Meta::Meta(const struct sr_datafeed_meta *structure) :
1164         PacketPayload(),
1165         _structure(structure)
1166 {
1167 }
1168
1169 Meta::~Meta()
1170 {
1171 }
1172
1173 shared_ptr<PacketPayload> Meta::share_owned_by(shared_ptr<Packet> _parent)
1174 {
1175         return static_pointer_cast<PacketPayload>(
1176                 ParentOwned::share_owned_by(_parent));
1177 }
1178
1179 map<const ConfigKey *, Glib::VariantBase> Meta::config() const
1180 {
1181         map<const ConfigKey *, Glib::VariantBase> result;
1182         for (auto l = _structure->config; l; l = l->next) {
1183                 auto *const config = static_cast<struct sr_config *>(l->data);
1184                 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data, true);
1185         }
1186         return result;
1187 }
1188
1189 Logic::Logic(const struct sr_datafeed_logic *structure) :
1190         PacketPayload(),
1191         _structure(structure)
1192 {
1193 }
1194
1195 Logic::~Logic()
1196 {
1197 }
1198
1199 shared_ptr<PacketPayload> Logic::share_owned_by(shared_ptr<Packet> _parent)
1200 {
1201         return static_pointer_cast<PacketPayload>(
1202                 ParentOwned::share_owned_by(_parent));
1203 }
1204
1205 void *Logic::data_pointer()
1206 {
1207         return _structure->data;
1208 }
1209
1210 size_t Logic::data_length() const
1211 {
1212         return _structure->length;
1213 }
1214
1215 unsigned int Logic::unit_size() const
1216 {
1217         return _structure->unitsize;
1218 }
1219
1220 Analog::Analog(const struct sr_datafeed_analog *structure) :
1221         PacketPayload(),
1222         _structure(structure)
1223 {
1224 }
1225
1226 Analog::~Analog()
1227 {
1228 }
1229
1230 shared_ptr<PacketPayload> Analog::share_owned_by(shared_ptr<Packet> _parent)
1231 {
1232         return static_pointer_cast<PacketPayload>(
1233                 ParentOwned::share_owned_by(_parent));
1234 }
1235
1236 void *Analog::data_pointer()
1237 {
1238         return _structure->data;
1239 }
1240
1241 void Analog::get_data_as_float(float *dest)
1242 {
1243         check(sr_analog_to_float(_structure, dest));
1244 }
1245
1246 unsigned int Analog::num_samples() const
1247 {
1248         return _structure->num_samples;
1249 }
1250
1251 vector<shared_ptr<Channel>> Analog::channels()
1252 {
1253         vector<shared_ptr<Channel>> result;
1254         for (auto l = _structure->meaning->channels; l; l = l->next) {
1255                 auto *const ch = static_cast<struct sr_channel *>(l->data);
1256                 result.push_back(_parent->_device->get_channel(ch));
1257         }
1258         return result;
1259 }
1260
1261 unsigned int Analog::unitsize() const
1262 {
1263         return _structure->encoding->unitsize;
1264 }
1265
1266 bool Analog::is_signed() const
1267 {
1268         return _structure->encoding->is_signed;
1269 }
1270
1271 bool Analog::is_float() const
1272 {
1273         return _structure->encoding->is_float;
1274 }
1275
1276 bool Analog::is_bigendian() const
1277 {
1278         return _structure->encoding->is_bigendian;
1279 }
1280
1281 int Analog::digits() const
1282 {
1283         return _structure->encoding->digits;
1284 }
1285
1286 bool Analog::is_digits_decimal() const
1287 {
1288         return _structure->encoding->is_digits_decimal;
1289 }
1290
1291 shared_ptr<Rational> Analog::scale()
1292 {
1293         unique_ptr<Rational> scale;
1294         scale.reset(new Rational(&(_structure->encoding->scale)));
1295
1296         if (scale)
1297                 return scale->share_owned_by(shared_from_this());
1298         else
1299                 throw Error(SR_ERR_NA);
1300 }
1301
1302 shared_ptr<Rational> Analog::offset()
1303 {
1304         unique_ptr<Rational> offset;
1305         offset.reset(new Rational(&(_structure->encoding->offset)));
1306
1307         if (offset)
1308                 return offset->share_owned_by(shared_from_this());
1309         else
1310                 throw Error(SR_ERR_NA);
1311 }
1312
1313 const Quantity *Analog::mq() const
1314 {
1315         return Quantity::get(_structure->meaning->mq);
1316 }
1317
1318 const Unit *Analog::unit() const
1319 {
1320         return Unit::get(_structure->meaning->unit);
1321 }
1322
1323 vector<const QuantityFlag *> Analog::mq_flags() const
1324 {
1325         return QuantityFlag::flags_from_mask(_structure->meaning->mqflags);
1326 }
1327
1328 shared_ptr<Logic> Analog::get_logic_via_threshold(float threshold,
1329         uint8_t *data_ptr) const
1330 {
1331         auto datafeed = g_new(struct sr_datafeed_logic, 1);
1332         datafeed->length = num_samples();
1333         datafeed->unitsize = 1;
1334
1335         if (data_ptr)
1336                 datafeed->data = data_ptr;
1337         else
1338                 datafeed->data = g_malloc(datafeed->length);
1339
1340         shared_ptr<Logic> logic =
1341                 shared_ptr<Logic>{new Logic{datafeed}, default_delete<Logic>{}};
1342
1343         check(sr_a2l_threshold(_structure, threshold,
1344                 (uint8_t*)datafeed->data, datafeed->length));
1345
1346         return logic;
1347 }
1348
1349 shared_ptr<Logic> Analog::get_logic_via_schmitt_trigger(float lo_thr,
1350         float hi_thr, uint8_t *state, uint8_t *data_ptr) const
1351 {
1352         auto datafeed = g_new(struct sr_datafeed_logic, 1);
1353         datafeed->length = num_samples();
1354         datafeed->unitsize = 1;
1355
1356         if (data_ptr)
1357                 datafeed->data = data_ptr;
1358         else
1359                 datafeed->data = g_malloc(datafeed->length);
1360
1361         shared_ptr<Logic> logic =
1362                 shared_ptr<Logic>{new Logic{datafeed}, default_delete<Logic>{}};
1363
1364         check(sr_a2l_schmitt_trigger(_structure, lo_thr, hi_thr, state,
1365                 (uint8_t*)datafeed->data, datafeed->length));
1366
1367         return logic;
1368 }
1369
1370 Rational::Rational(const struct sr_rational *structure) :
1371         _structure(structure)
1372 {
1373 }
1374
1375 Rational::~Rational()
1376 {
1377 }
1378
1379 shared_ptr<Rational> Rational::share_owned_by(shared_ptr<Analog> _parent)
1380 {
1381         return static_pointer_cast<Rational>(
1382                 ParentOwned::share_owned_by(_parent));
1383 }
1384
1385 int64_t Rational::numerator() const
1386 {
1387         return _structure->p;
1388 }
1389
1390 uint64_t Rational::denominator() const
1391 {
1392         return _structure->q;
1393 }
1394
1395 float Rational::value() const
1396 {
1397         return (float)(_structure->p) / (float)(_structure->q);
1398 }
1399
1400 InputFormat::InputFormat(const struct sr_input_module *structure) :
1401         _structure(structure)
1402 {
1403 }
1404
1405 InputFormat::~InputFormat()
1406 {
1407 }
1408
1409 string InputFormat::name() const
1410 {
1411         return valid_string(sr_input_id_get(_structure));
1412 }
1413
1414 string InputFormat::description() const
1415 {
1416         return valid_string(sr_input_description_get(_structure));
1417 }
1418
1419 vector<string> InputFormat::extensions() const
1420 {
1421         vector<string> exts;
1422         for (const char *const *e = sr_input_extensions_get(_structure);
1423                 e && *e; e++)
1424                 exts.push_back(*e);
1425         return exts;
1426 }
1427
1428 map<string, shared_ptr<Option>> InputFormat::options()
1429 {
1430         map<string, shared_ptr<Option>> result;
1431
1432         if (const struct sr_option **options = sr_input_options_get(_structure)) {
1433                 shared_ptr<const struct sr_option *> option_array
1434                         {options, &sr_input_options_free};
1435                 for (int i = 0; options[i]; i++) {
1436                         shared_ptr<Option> opt {
1437                                 new Option{options[i], option_array},
1438                                 default_delete<Option>{}};
1439                         result.emplace(opt->id(), move(opt));
1440                 }
1441         }
1442         return result;
1443 }
1444
1445 shared_ptr<Input> InputFormat::create_input(
1446         map<string, Glib::VariantBase> options)
1447 {
1448         auto input = sr_input_new(_structure, map_to_hash_variant(options));
1449         if (!input)
1450                 throw Error(SR_ERR_ARG);
1451         return shared_ptr<Input>{new Input{_parent, input}, default_delete<Input>{}};
1452 }
1453
1454 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1455         _structure(structure),
1456         _context(move(context))
1457 {
1458 }
1459
1460 shared_ptr<InputDevice> Input::device()
1461 {
1462         if (!_device) {
1463                 auto sdi = sr_input_dev_inst_get(_structure);
1464                 if (!sdi)
1465                         throw Error(SR_ERR_NA);
1466                 _device.reset(new InputDevice{shared_from_this(), sdi});
1467         }
1468
1469         return _device->share_owned_by(shared_from_this());
1470 }
1471
1472 void Input::send(void *data, size_t length)
1473 {
1474         auto gstr = g_string_new_len(static_cast<char *>(data), length);
1475         auto ret = sr_input_send(_structure, gstr);
1476         g_string_free(gstr, true);
1477         check(ret);
1478 }
1479
1480 void Input::end()
1481 {
1482         check(sr_input_end(_structure));
1483 }
1484
1485 void Input::reset()
1486 {
1487         check(sr_input_reset(_structure));
1488 }
1489
1490 Input::~Input()
1491 {
1492         sr_input_free(_structure);
1493 }
1494
1495 InputDevice::InputDevice(shared_ptr<Input> input,
1496                 struct sr_dev_inst *structure) :
1497         Device(structure),
1498         _input(move(input))
1499 {
1500 }
1501
1502 InputDevice::~InputDevice()
1503 {
1504 }
1505
1506 shared_ptr<Device> InputDevice::get_shared_from_this()
1507 {
1508         return static_pointer_cast<Device>(shared_from_this());
1509 }
1510
1511 Option::Option(const struct sr_option *structure,
1512                 shared_ptr<const struct sr_option *> structure_array) :
1513         _structure(structure),
1514         _structure_array(move(structure_array))
1515 {
1516 }
1517
1518 Option::~Option()
1519 {
1520 }
1521
1522 string Option::id() const
1523 {
1524         return valid_string(_structure->id);
1525 }
1526
1527 string Option::name() const
1528 {
1529         return valid_string(_structure->name);
1530 }
1531
1532 string Option::description() const
1533 {
1534         return valid_string(_structure->desc);
1535 }
1536
1537 Glib::VariantBase Option::default_value() const
1538 {
1539         return Glib::VariantBase(_structure->def, true);
1540 }
1541
1542 vector<Glib::VariantBase> Option::values() const
1543 {
1544         vector<Glib::VariantBase> result;
1545         for (auto l = _structure->values; l; l = l->next) {
1546                 auto *const var = static_cast<GVariant *>(l->data);
1547                 result.push_back(Glib::VariantBase(var, true));
1548         }
1549         return result;
1550 }
1551
1552 Glib::VariantBase Option::parse_string(string value)
1553 {
1554         enum sr_datatype dt;
1555         Glib::VariantBase dflt = default_value();
1556         GVariant *tmpl = dflt.gobj();
1557
1558         if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_UINT64)) {
1559                 dt = SR_T_UINT64;
1560         } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_STRING)) {
1561                 dt = SR_T_STRING;
1562         } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_BOOLEAN)) {
1563                 dt = SR_T_BOOL;
1564         } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_DOUBLE)) {
1565                 dt = SR_T_FLOAT;
1566         } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_INT32)) {
1567                 dt = SR_T_INT32;
1568         } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_UINT32)) {
1569                 dt = SR_T_UINT32;
1570         } else {
1571                 throw Error(SR_ERR_BUG);
1572         }
1573         return ConfigKey::parse_string(value, dt);
1574 }
1575
1576 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1577         _structure(structure)
1578 {
1579 }
1580
1581 OutputFormat::~OutputFormat()
1582 {
1583 }
1584
1585 string OutputFormat::name() const
1586 {
1587         return valid_string(sr_output_id_get(_structure));
1588 }
1589
1590 string OutputFormat::description() const
1591 {
1592         return valid_string(sr_output_description_get(_structure));
1593 }
1594
1595 vector<string> OutputFormat::extensions() const
1596 {
1597         vector<string> exts;
1598         for (const char *const *e = sr_output_extensions_get(_structure);
1599                 e && *e; e++)
1600                 exts.push_back(*e);
1601         return exts;
1602 }
1603
1604 map<string, shared_ptr<Option>> OutputFormat::options()
1605 {
1606         map<string, shared_ptr<Option>> result;
1607
1608         if (const struct sr_option **options = sr_output_options_get(_structure)) {
1609                 shared_ptr<const struct sr_option *> option_array
1610                         {options, &sr_output_options_free};
1611                 for (int i = 0; options[i]; i++) {
1612                         shared_ptr<Option> opt {
1613                                 new Option{options[i], option_array},
1614                                 default_delete<Option>{}};
1615                         result.emplace(opt->id(), move(opt));
1616                 }
1617         }
1618         return result;
1619 }
1620
1621 shared_ptr<Output> OutputFormat::create_output(
1622         shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1623 {
1624         return shared_ptr<Output>{
1625                 new Output{shared_from_this(), move(device), move(options)},
1626                 default_delete<Output>{}};
1627 }
1628
1629 shared_ptr<Output> OutputFormat::create_output(string filename,
1630         shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1631 {
1632         return shared_ptr<Output>{
1633                 new Output{move(filename), shared_from_this(), move(device), move(options)},
1634                 default_delete<Output>{}};
1635 }
1636
1637 bool OutputFormat::test_flag(const OutputFlag *flag) const
1638 {
1639         return sr_output_test_flag(_structure, flag->id());
1640 }
1641
1642 Output::Output(shared_ptr<OutputFormat> format,
1643                 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1644         _structure(sr_output_new(format->_structure,
1645                 map_to_hash_variant(options), device->_structure, nullptr)),
1646         _format(move(format)),
1647         _device(move(device)),
1648         _options(move(options))
1649 {
1650 }
1651
1652 Output::Output(string filename, shared_ptr<OutputFormat> format,
1653                 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1654         _structure(sr_output_new(format->_structure,
1655                 map_to_hash_variant(options), device->_structure, filename.c_str())),
1656         _format(move(format)),
1657         _device(move(device)),
1658         _options(move(options))
1659 {
1660 }
1661
1662 Output::~Output()
1663 {
1664         check(sr_output_free(_structure));
1665 }
1666
1667 shared_ptr<OutputFormat> Output::format()
1668 {
1669         return _format;
1670 }
1671
1672 string Output::receive(shared_ptr<Packet> packet)
1673 {
1674         GString *out;
1675         check(sr_output_send(_structure, packet->_structure, &out));
1676         if (out) {
1677                 auto result = string(out->str, out->str + out->len);
1678                 g_string_free(out, true);
1679                 return result;
1680         } else {
1681                 return string();
1682         }
1683 }
1684
1685 #include <enums.cpp>
1686
1687 }