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 ssize_t ResourceReader::read_callback(const struct sr_resource *res,
 105                 void *buf, size_t count, void *cb_data) noexcept
 106 {
 107         try {
 108                 auto *const reader = static_cast<ResourceReader*>(cb_data);
 109                 return reader->read(res, buf, count);
 110         } catch (const Error &err) {
 111                 return err.result;
 112         } catch (...) {
 113                 return SR_ERR;
 114         }
 115 }
 116
 117 shared_ptr<Context> Context::create()
 118 {
 119         return shared_ptr<Context>{new Context{}, default_delete<Context>{}};
 120 }
 121
 122 Context::Context() :
 123         _structure(nullptr),
 124         _session(nullptr)
 125 {
 126         check(sr_init(&_structure));
 127
 128         if (struct sr_dev_driver **driver_list = sr_driver_list(_structure))
 129                 for (int i = 0; driver_list[i]; i++) {
 130                         unique_ptr<Driver> driver {new Driver{driver_list[i]}};
 131                         _drivers.emplace(driver->name(), move(driver));
 132                 }
 133
 134         if (const struct sr_input_module **input_list = sr_input_list())
 135                 for (int i = 0; input_list[i]; i++) {
 136                         unique_ptr<InputFormat> input {new InputFormat{input_list[i]}};
 137                         _input_formats.emplace(input->name(), move(input));
 138                 }
 139
 140         if (const struct sr_output_module **output_list = sr_output_list())
 141                 for (int i = 0; output_list[i]; i++) {
 142                         unique_ptr<OutputFormat> output {new OutputFormat{output_list[i]}};
 143                         _output_formats.emplace(output->name(), move(output));
 144                 }
 145 }
 146
 147 string Context::package_version()
 148 {
 149         return sr_package_version_string_get();
 150 }
 151
 152 string Context::lib_version()
 153 {
 154         return sr_lib_version_string_get();
 155 }
 156
 157 map<string, shared_ptr<Driver>> Context::drivers()
 158 {
 159         map<string, shared_ptr<Driver>> result;
 160         for (const auto &entry: _drivers)
 161         {
 162                 const auto &name = entry.first;
 163                 const auto &driver = entry.second;
 164                 result.emplace(name, driver->share_owned_by(shared_from_this()));
 165         }
 166         return result;
 167 }
 168
 169 map<string, shared_ptr<InputFormat>> Context::input_formats()
 170 {
 171         map<string, shared_ptr<InputFormat>> result;
 172         for (const auto &entry: _input_formats)
 173         {
 174                 const auto &name = entry.first;
 175                 const auto &input_format = entry.second;
 176                 result.emplace(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.emplace(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
 321         analog->meaning = meaning;
 322
 323         for (const auto &channel : channels)
 324                 meaning->channels = g_slist_append(meaning->channels, channel->_structure);
 325         analog->num_samples = num_samples;
 326         meaning->mq = static_cast<sr_mq>(mq->id());
 327         meaning->unit = static_cast<sr_unit>(unit->id());
 328         meaning->mqflags = static_cast<sr_mqflag>(QuantityFlag::mask_from_flags(move(mqflags)));
 329         analog->data = data_pointer;
 330         auto packet = g_new(struct sr_datafeed_packet, 1);
 331         packet->type = SR_DF_ANALOG;
 332         packet->payload = analog;
 333         return shared_ptr<Packet>{new Packet{nullptr, packet}, default_delete<Packet>{}};
 334 }
 335
 336 shared_ptr<Session> Context::load_session(string filename)
 337 {
 338         return shared_ptr<Session>{
 339                 new Session{shared_from_this(), move(filename)},
 340                 default_delete<Session>{}};
 341 }
 342
 343 shared_ptr<Trigger> Context::create_trigger(string name)
 344 {
 345         return shared_ptr<Trigger>{
 346                 new Trigger{shared_from_this(), move(name)},
 347                 default_delete<Trigger>{}};
 348 }
 349
 350 shared_ptr<Input> Context::open_file(string filename)
 351 {
 352         const struct sr_input *input;
 353
 354         check(sr_input_scan_file(filename.c_str(), &input));
 355         return shared_ptr<Input>{
 356                 new Input{shared_from_this(), input},
 357                 default_delete<Input>{}};
 358 }
 359
 360 shared_ptr<Input> Context::open_stream(string header)
 361 {
 362         const struct sr_input *input;
 363
 364         auto gstr = g_string_new(header.c_str());
 365         auto ret = sr_input_scan_buffer(gstr, &input);
 366         g_string_free(gstr, true);
 367         check(ret);
 368         return shared_ptr<Input>{
 369                 new Input{shared_from_this(), input},
 370                 default_delete<Input>{}};
 371 }
 372
 373 map<string, string> Context::serials(shared_ptr<Driver> driver) const
 374 {
 375         GSList *serial_list = sr_serial_list(driver ? driver->_structure : nullptr);
 376         map<string, string> serials;
 377
 378         for (GSList *serial = serial_list; serial; serial = serial->next) {
 379                 auto *const port = static_cast<sr_serial_port *>(serial->data);
 380                 serials[string(port->name)] = string(port->description);
 381         }
 382
 383         g_slist_free_full(serial_list,
 384                 reinterpret_cast<GDestroyNotify>(&sr_serial_free));
 385         return serials;
 386 }
 387
 388 Driver::Driver(struct sr_dev_driver *structure) :
 389         Configurable(structure, nullptr, nullptr),
 390         _structure(structure),
 391         _initialized(false)
 392 {
 393 }
 394
 395 Driver::~Driver()
 396 {
 397 }
 398
 399 string Driver::name() const
 400 {
 401         return valid_string(_structure->name);
 402 }
 403
 404 string Driver::long_name() const
 405 {
 406         return valid_string(_structure->longname);
 407 }
 408
 409 set<const ConfigKey *> Driver::scan_options() const
 410 {
 411         GArray *opts = sr_driver_scan_options(_structure);
 412         set<const ConfigKey *> result;
 413         for (guint i = 0; i < opts->len; i++)
 414                 result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
 415         g_array_free(opts, TRUE);
 416         return result;
 417 }
 418
 419 vector<shared_ptr<HardwareDevice>> Driver::scan(
 420         map<const ConfigKey *, Glib::VariantBase> options)
 421 {
 422         /* Initialise the driver if not yet done. */
 423         if (!_initialized)
 424         {
 425                 check(sr_driver_init(_parent->_structure, _structure));
 426                 _initialized = true;
 427         }
 428
 429         /* Translate scan options to GSList of struct sr_config pointers. */
 430         GSList *option_list = nullptr;
 431         for (const auto &entry : options)
 432         {
 433                 const auto &key = entry.first;
 434                 const auto &value = entry.second;
 435                 auto *const config = g_new(struct sr_config, 1);
 436                 config->key = key->id();
 437                 config->data = const_cast<GVariant*>(value.gobj());
 438                 option_list = g_slist_append(option_list, config);
 439         }
 440
 441         /* Run scan. */
 442         GSList *device_list = sr_driver_scan(_structure, option_list);
 443
 444         /* Free option list. */
 445         g_slist_free_full(option_list, g_free);
 446
 447
 448         /* Create device objects. */
 449         vector<shared_ptr<HardwareDevice>> result;
 450         for (GSList *device = device_list; device; device = device->next)
 451         {
 452                 auto *const sdi = static_cast<struct sr_dev_inst *>(device->data);
 453                 shared_ptr<HardwareDevice> hwdev {
 454                         new HardwareDevice{shared_from_this(), sdi},
 455                         default_delete<HardwareDevice>{}};
 456                 result.push_back(move(hwdev));
 457         }
 458
 459         /* Free GSList returned from scan. */
 460         g_slist_free(device_list);
 461
 462         return result;
 463 }
 464
 465 Configurable::Configurable(
 466                 struct sr_dev_driver *driver,
 467                 struct sr_dev_inst *sdi,
 468                 struct sr_channel_group *cg) :
 469         config_driver(driver),
 470         config_sdi(sdi),
 471         config_channel_group(cg)
 472 {
 473 }
 474
 475 Configurable::~Configurable()
 476 {
 477 }
 478
 479 set<const ConfigKey *> Configurable::config_keys() const
 480 {
 481         GArray *opts;
 482         set<const ConfigKey *> result;
 483
 484         opts = sr_dev_options(config_driver, config_sdi, config_channel_group);
 485
 486         for (guint i = 0; i < opts->len; i++)
 487                 result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
 488
 489         g_array_free(opts, TRUE);
 490
 491         return result;
 492 }
 493
 494 Glib::VariantBase Configurable::config_get(const ConfigKey *key) const
 495 {
 496         GVariant *data;
 497         check(sr_config_get(
 498                 config_driver, config_sdi, config_channel_group,
 499                 key->id(), &data));
 500         return Glib::VariantBase(data);
 501 }
 502
 503 void Configurable::config_set(const ConfigKey *key, const Glib::VariantBase &value)
 504 {
 505         check(sr_config_set(
 506                 config_sdi, config_channel_group,
 507                 key->id(), const_cast<GVariant*>(value.gobj())));
 508 }
 509
 510 set<const Capability *> Configurable::config_capabilities(const ConfigKey *key) const
 511 {
 512         int caps = sr_dev_config_capabilities(config_sdi, config_channel_group,
 513                 key->id());
 514
 515         set<const Capability *> result;
 516
 517         for (auto cap: Capability::values())
 518                 if (caps & cap->id())
 519                         result.insert(cap);
 520
 521         return result;
 522 }
 523
 524 bool Configurable::config_check(const ConfigKey *key,
 525         const Capability *capability) const
 526 {
 527         int caps = sr_dev_config_capabilities(config_sdi, config_channel_group,
 528                 key->id());
 529
 530         return (caps & capability->id());
 531 }
 532
 533 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key) const
 534 {
 535         GVariant *data;
 536         check(sr_config_list(
 537                 config_driver, config_sdi, config_channel_group,
 538                 key->id(), &data));
 539         return Glib::VariantContainerBase(data);
 540 }
 541
 542 Device::Device(struct sr_dev_inst *structure) :
 543         Configurable(sr_dev_inst_driver_get(structure), structure, nullptr),
 544         _structure(structure)
 545 {
 546         for (GSList *entry = sr_dev_inst_channels_get(structure); entry; entry = entry->next)
 547         {
 548                 auto *const ch = static_cast<struct sr_channel *>(entry->data);
 549                 unique_ptr<Channel> channel {new Channel{ch}};
 550                 _channels.emplace(ch, move(channel));
 551         }
 552
 553         for (GSList *entry = sr_dev_inst_channel_groups_get(structure); entry; entry = entry->next)
 554         {
 555                 auto *const cg = static_cast<struct sr_channel_group *>(entry->data);
 556                 unique_ptr<ChannelGroup> group {new ChannelGroup{this, cg}};
 557                 _channel_groups.emplace(group->name(), move(group));
 558         }
 559 }
 560
 561 Device::~Device()
 562 {}
 563
 564 string Device::vendor() const
 565 {
 566         return valid_string(sr_dev_inst_vendor_get(_structure));
 567 }
 568
 569 string Device::model() const
 570 {
 571         return valid_string(sr_dev_inst_model_get(_structure));
 572 }
 573
 574 string Device::version() const
 575 {
 576         return valid_string(sr_dev_inst_version_get(_structure));
 577 }
 578
 579 string Device::serial_number() const
 580 {
 581         return valid_string(sr_dev_inst_sernum_get(_structure));
 582 }
 583
 584 string Device::connection_id() const
 585 {
 586         return valid_string(sr_dev_inst_connid_get(_structure));
 587 }
 588
 589 vector<shared_ptr<Channel>> Device::channels()
 590 {
 591         vector<shared_ptr<Channel>> result;
 592         for (auto channel = sr_dev_inst_channels_get(_structure); channel; channel = channel->next) {
 593                 auto *const ch = static_cast<struct sr_channel *>(channel->data);
 594                 result.push_back(_channels[ch]->share_owned_by(get_shared_from_this()));
 595         }
 596         return result;
 597 }
 598
 599 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
 600 {
 601         return _channels[ptr]->share_owned_by(get_shared_from_this());
 602 }
 603
 604 map<string, shared_ptr<ChannelGroup>>
 605 Device::channel_groups()
 606 {
 607         map<string, shared_ptr<ChannelGroup>> result;
 608         for (const auto &entry: _channel_groups)
 609         {
 610                 const auto &name = entry.first;
 611                 const auto &channel_group = entry.second;
 612                 result.emplace(name, channel_group->share_owned_by(get_shared_from_this()));
 613         }
 614         return result;
 615 }
 616
 617 void Device::open()
 618 {
 619         check(sr_dev_open(_structure));
 620 }
 621
 622 void Device::close()
 623 {
 624         check(sr_dev_close(_structure));
 625 }
 626
 627 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
 628                 struct sr_dev_inst *structure) :
 629         Device(structure),
 630         _driver(move(driver))
 631 {
 632 }
 633
 634 HardwareDevice::~HardwareDevice()
 635 {
 636 }
 637
 638 shared_ptr<Device> HardwareDevice::get_shared_from_this()
 639 {
 640         return static_pointer_cast<Device>(shared_from_this());
 641 }
 642
 643 shared_ptr<Driver> HardwareDevice::driver()
 644 {
 645         return _driver;
 646 }
 647
 648 UserDevice::UserDevice(string vendor, string model, string version) :
 649         Device(sr_dev_inst_user_new(
 650                 vendor.c_str(), model.c_str(), version.c_str()))
 651 {
 652 }
 653
 654 UserDevice::~UserDevice()
 655 {
 656 }
 657
 658 shared_ptr<Device> UserDevice::get_shared_from_this()
 659 {
 660         return static_pointer_cast<Device>(shared_from_this());
 661 }
 662
 663 shared_ptr<Channel> UserDevice::add_channel(unsigned int index,
 664         const ChannelType *type, string name)
 665 {
 666         check(sr_dev_inst_channel_add(Device::_structure,
 667                 index, type->id(), name.c_str()));
 668         GSList *const last = g_slist_last(sr_dev_inst_channels_get(Device::_structure));
 669         auto *const ch = static_cast<struct sr_channel *>(last->data);
 670         unique_ptr<Channel> channel {new Channel{ch}};
 671         _channels.emplace(ch, move(channel));
 672         return get_channel(ch);
 673 }
 674
 675 Channel::Channel(struct sr_channel *structure) :
 676         _structure(structure),
 677         _type(ChannelType::get(_structure->type))
 678 {
 679 }
 680
 681 Channel::~Channel()
 682 {
 683 }
 684
 685 string Channel::name() const
 686 {
 687         return valid_string(_structure->name);
 688 }
 689
 690 void Channel::set_name(string name)
 691 {
 692         check(sr_dev_channel_name_set(_structure, name.c_str()));
 693 }
 694
 695 const ChannelType *Channel::type() const
 696 {
 697         return ChannelType::get(_structure->type);
 698 }
 699
 700 bool Channel::enabled() const
 701 {
 702         return _structure->enabled;
 703 }
 704
 705 void Channel::set_enabled(bool value)
 706 {
 707         check(sr_dev_channel_enable(_structure, value));
 708 }
 709
 710 unsigned int Channel::index() const
 711 {
 712         return _structure->index;
 713 }
 714
 715 ChannelGroup::ChannelGroup(const Device *device,
 716                 struct sr_channel_group *structure) :
 717         Configurable(sr_dev_inst_driver_get(device->_structure), device->_structure, structure)
 718 {
 719         for (GSList *entry = config_channel_group->channels; entry; entry = entry->next) {
 720                 auto *const ch = static_cast<struct sr_channel *>(entry->data);
 721                 /* Note: This relies on Device::_channels to keep the Channel
 722                  * objects around over the lifetime of the ChannelGroup. */
 723                 _channels.push_back(device->_channels.find(ch)->second.get());
 724         }
 725 }
 726
 727 ChannelGroup::~ChannelGroup()
 728 {
 729 }
 730
 731 string ChannelGroup::name() const
 732 {
 733         return valid_string(config_channel_group->name);
 734 }
 735
 736 vector<shared_ptr<Channel>> ChannelGroup::channels()
 737 {
 738         vector<shared_ptr<Channel>> result;
 739         for (const auto &channel : _channels)
 740                 result.push_back(channel->share_owned_by(_parent));
 741         return result;
 742 }
 743
 744 Trigger::Trigger(shared_ptr<Context> context, string name) :
 745         _structure(sr_trigger_new(name.c_str())),
 746         _context(move(context))
 747 {
 748         for (auto *stage = _structure->stages; stage; stage = stage->next) {
 749                 unique_ptr<TriggerStage> ts {new TriggerStage{
 750                                 static_cast<struct sr_trigger_stage *>(stage->data)}};
 751                 _stages.push_back(move(ts));
 752         }
 753 }
 754
 755 Trigger::~Trigger()
 756 {
 757         sr_trigger_free(_structure);
 758 }
 759
 760 string Trigger::name() const
 761 {
 762         return _structure->name;
 763 }
 764
 765 vector<shared_ptr<TriggerStage>> Trigger::stages()
 766 {
 767         vector<shared_ptr<TriggerStage>> result;
 768         for (const auto &stage : _stages)
 769                 result.push_back(stage->share_owned_by(shared_from_this()));
 770         return result;
 771 }
 772
 773 shared_ptr<TriggerStage> Trigger::add_stage()
 774 {
 775         unique_ptr<TriggerStage> stage {new TriggerStage{sr_trigger_stage_add(_structure)}};
 776         _stages.push_back(move(stage));
 777         return _stages.back()->share_owned_by(shared_from_this());
 778 }
 779
 780 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
 781         _structure(structure)
 782 {
 783 }
 784
 785 TriggerStage::~TriggerStage()
 786 {
 787 }
 788
 789 int TriggerStage::number() const
 790 {
 791         return _structure->stage;
 792 }
 793
 794 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
 795 {
 796         vector<shared_ptr<TriggerMatch>> result;
 797         for (const auto &match : _matches)
 798                 result.push_back(match->share_owned_by(shared_from_this()));
 799         return result;
 800 }
 801
 802 void TriggerStage::add_match(shared_ptr<Channel> channel,
 803         const TriggerMatchType *type, float value)
 804 {
 805         check(sr_trigger_match_add(_structure,
 806                 channel->_structure, type->id(), value));
 807         GSList *const last = g_slist_last(_structure->matches);
 808         unique_ptr<TriggerMatch> match {new TriggerMatch{
 809                         static_cast<struct sr_trigger_match *>(last->data),
 810                         move(channel)}};
 811         _matches.push_back(move(match));
 812 }
 813
 814 void TriggerStage::add_match(shared_ptr<Channel> channel,
 815         const TriggerMatchType *type)
 816 {
 817         add_match(move(channel), type, NAN);
 818 }
 819
 820 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
 821                 shared_ptr<Channel> channel) :
 822         _structure(structure),
 823         _channel(move(channel))
 824 {
 825 }
 826
 827 TriggerMatch::~TriggerMatch()
 828 {
 829 }
 830
 831 shared_ptr<Channel> TriggerMatch::channel()
 832 {
 833         return _channel;
 834 }
 835
 836 const TriggerMatchType *TriggerMatch::type() const
 837 {
 838         return TriggerMatchType::get(_structure->match);
 839 }
 840
 841 float TriggerMatch::value() const
 842 {
 843         return _structure->value;
 844 }
 845
 846 DatafeedCallbackData::DatafeedCallbackData(Session *session,
 847                 DatafeedCallbackFunction callback) :
 848         _callback(move(callback)),
 849         _session(session)
 850 {
 851 }
 852
 853 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
 854         const struct sr_datafeed_packet *pkt)
 855 {
 856         auto device = _session->get_device(sdi);
 857         shared_ptr<Packet> packet {new Packet{device, pkt}, default_delete<Packet>{}};
 858         _callback(move(device), move(packet));
 859 }
 860
 861 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
 862         Device(structure)
 863 {
 864 }
 865
 866 SessionDevice::~SessionDevice()
 867 {
 868 }
 869
 870 shared_ptr<Device> SessionDevice::get_shared_from_this()
 871 {
 872         return static_pointer_cast<Device>(shared_from_this());
 873 }
 874
 875 Session::Session(shared_ptr<Context> context) :
 876         _structure(nullptr),
 877         _context(move(context))
 878 {
 879         check(sr_session_new(_context->_structure, &_structure));
 880         _context->_session = this;
 881 }
 882
 883 Session::Session(shared_ptr<Context> context, string filename) :
 884         _structure(nullptr),
 885         _context(move(context)),
 886         _filename(move(filename))
 887 {
 888         check(sr_session_load(_context->_structure, _filename.c_str(), &_structure));
 889         GSList *dev_list;
 890         check(sr_session_dev_list(_structure, &dev_list));
 891         for (GSList *dev = dev_list; dev; dev = dev->next) {
 892                 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
 893                 unique_ptr<SessionDevice> device {new SessionDevice{sdi}};
 894                 _owned_devices.emplace(sdi, move(device));
 895         }
 896         _context->_session = this;
 897 }
 898
 899 Session::~Session()
 900 {
 901         check(sr_session_destroy(_structure));
 902 }
 903
 904 shared_ptr<Device> Session::get_device(const struct sr_dev_inst *sdi)
 905 {
 906         if (_owned_devices.count(sdi))
 907                 return static_pointer_cast<Device>(
 908                         _owned_devices[sdi]->share_owned_by(shared_from_this()));
 909         else if (_other_devices.count(sdi))
 910                 return _other_devices[sdi];
 911         else
 912                 throw Error(SR_ERR_BUG);
 913 }
 914
 915 void Session::add_device(shared_ptr<Device> device)
 916 {
 917         const auto dev_struct = device->_structure;
 918         check(sr_session_dev_add(_structure, dev_struct));
 919         _other_devices[dev_struct] = move(device);
 920 }
 921
 922 vector<shared_ptr<Device>> Session::devices()
 923 {
 924         GSList *dev_list;
 925         check(sr_session_dev_list(_structure, &dev_list));
 926         vector<shared_ptr<Device>> result;
 927         for (GSList *dev = dev_list; dev; dev = dev->next) {
 928                 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
 929                 result.push_back(get_device(sdi));
 930         }
 931         return result;
 932 }
 933
 934 void Session::remove_devices()
 935 {
 936         _other_devices.clear();
 937         check(sr_session_dev_remove_all(_structure));
 938 }
 939
 940 void Session::start()
 941 {
 942         check(sr_session_start(_structure));
 943 }
 944
 945 void Session::run()
 946 {
 947         check(sr_session_run(_structure));
 948 }
 949
 950 void Session::stop()
 951 {
 952         check(sr_session_stop(_structure));
 953 }
 954
 955 bool Session::is_running() const
 956 {
 957         const int ret = sr_session_is_running(_structure);
 958         if (ret < 0)
 959                 throw Error{ret};
 960         return (ret != 0);
 961 }
 962
 963 static void session_stopped_callback(void *data) noexcept
 964 {
 965         auto *const callback = static_cast<SessionStoppedCallback*>(data);
 966         (*callback)();
 967 }
 968
 969 void Session::set_stopped_callback(SessionStoppedCallback callback)
 970 {
 971         _stopped_callback = move(callback);
 972         if (_stopped_callback)
 973                 check(sr_session_stopped_callback_set(_structure,
 974                                 &session_stopped_callback, &_stopped_callback));
 975         else
 976                 check(sr_session_stopped_callback_set(_structure,
 977                                 nullptr, nullptr));
 978 }
 979
 980 static void datafeed_callback(const struct sr_dev_inst *sdi,
 981         const struct sr_datafeed_packet *pkt, void *cb_data) noexcept
 982 {
 983         auto callback = static_cast<DatafeedCallbackData *>(cb_data);
 984         callback->run(sdi, pkt);
 985 }
 986
 987 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
 988 {
 989         unique_ptr<DatafeedCallbackData> cb_data
 990                 {new DatafeedCallbackData{this, move(callback)}};
 991         check(sr_session_datafeed_callback_add(_structure,
 992                         &datafeed_callback, cb_data.get()));
 993         _datafeed_callbacks.push_back(move(cb_data));
 994 }
 995
 996 void Session::remove_datafeed_callbacks()
 997 {
 998         check(sr_session_datafeed_callback_remove_all(_structure));
 999         _datafeed_callbacks.clear();
1000 }
1001
1002 shared_ptr<Trigger> Session::trigger()
1003 {
1004         return _trigger;
1005 }
1006
1007 void Session::set_trigger(shared_ptr<Trigger> trigger)
1008 {
1009         if (!trigger)
1010                 // Set NULL trigger, i.e. remove any trigger from the session.
1011                 check(sr_session_trigger_set(_structure, nullptr));
1012         else
1013                 check(sr_session_trigger_set(_structure, trigger->_structure));
1014         _trigger = move(trigger);
1015 }
1016
1017 string Session::filename() const
1018 {
1019         return _filename;
1020 }
1021
1022 shared_ptr<Context> Session::context()
1023 {
1024         return _context;
1025 }
1026
1027 Packet::Packet(shared_ptr<Device> device,
1028         const struct sr_datafeed_packet *structure) :
1029         _structure(structure),
1030         _device(move(device))
1031 {
1032         switch (structure->type)
1033         {
1034                 case SR_DF_HEADER:
1035                         _payload.reset(new Header{
1036                                 static_cast<const struct sr_datafeed_header *>(
1037                                         structure->payload)});
1038                         break;
1039                 case SR_DF_META:
1040                         _payload.reset(new Meta{
1041                                 static_cast<const struct sr_datafeed_meta *>(
1042                                         structure->payload)});
1043                         break;
1044                 case SR_DF_LOGIC:
1045                         _payload.reset(new Logic{
1046                                 static_cast<const struct sr_datafeed_logic *>(
1047                                         structure->payload)});
1048                         break;
1049                 case SR_DF_ANALOG:
1050                         _payload.reset(new Analog{
1051                                 static_cast<const struct sr_datafeed_analog *>(
1052                                         structure->payload)});
1053                         break;
1054         }
1055 }
1056
1057 Packet::~Packet()
1058 {
1059 }
1060
1061 const PacketType *Packet::type() const
1062 {
1063         return PacketType::get(_structure->type);
1064 }
1065
1066 shared_ptr<PacketPayload> Packet::payload()
1067 {
1068         if (_payload)
1069                 return _payload->share_owned_by(shared_from_this());
1070         else
1071                 throw Error(SR_ERR_NA);
1072 }
1073
1074 PacketPayload::PacketPayload()
1075 {
1076 }
1077
1078 PacketPayload::~PacketPayload()
1079 {
1080 }
1081
1082 Header::Header(const struct sr_datafeed_header *structure) :
1083         PacketPayload(),
1084         _structure(structure)
1085 {
1086 }
1087
1088 Header::~Header()
1089 {
1090 }
1091
1092 shared_ptr<PacketPayload> Header::share_owned_by(shared_ptr<Packet> _parent)
1093 {
1094         return static_pointer_cast<PacketPayload>(
1095                 ParentOwned::share_owned_by(_parent));
1096 }
1097
1098 int Header::feed_version() const
1099 {
1100         return _structure->feed_version;
1101 }
1102
1103 Glib::TimeVal Header::start_time() const
1104 {
1105         return Glib::TimeVal(
1106                 _structure->starttime.tv_sec,
1107                 _structure->starttime.tv_usec);
1108 }
1109
1110 Meta::Meta(const struct sr_datafeed_meta *structure) :
1111         PacketPayload(),
1112         _structure(structure)
1113 {
1114 }
1115
1116 Meta::~Meta()
1117 {
1118 }
1119
1120 shared_ptr<PacketPayload> Meta::share_owned_by(shared_ptr<Packet> _parent)
1121 {
1122         return static_pointer_cast<PacketPayload>(
1123                 ParentOwned::share_owned_by(_parent));
1124 }
1125
1126 map<const ConfigKey *, Glib::VariantBase> Meta::config() const
1127 {
1128         map<const ConfigKey *, Glib::VariantBase> result;
1129         for (auto l = _structure->config; l; l = l->next) {
1130                 auto *const config = static_cast<struct sr_config *>(l->data);
1131                 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data, true);
1132         }
1133         return result;
1134 }
1135
1136 Logic::Logic(const struct sr_datafeed_logic *structure) :
1137         PacketPayload(),
1138         _structure(structure)
1139 {
1140 }
1141
1142 Logic::~Logic()
1143 {
1144 }
1145
1146 shared_ptr<PacketPayload> Logic::share_owned_by(shared_ptr<Packet> _parent)
1147 {
1148         return static_pointer_cast<PacketPayload>(
1149                 ParentOwned::share_owned_by(_parent));
1150 }
1151
1152 void *Logic::data_pointer()
1153 {
1154         return _structure->data;
1155 }
1156
1157 size_t Logic::data_length() const
1158 {
1159         return _structure->length;
1160 }
1161
1162 unsigned int Logic::unit_size() const
1163 {
1164         return _structure->unitsize;
1165 }
1166
1167 Analog::Analog(const struct sr_datafeed_analog *structure) :
1168         PacketPayload(),
1169         _structure(structure)
1170 {
1171 }
1172
1173 Analog::~Analog()
1174 {
1175 }
1176
1177 shared_ptr<PacketPayload> Analog::share_owned_by(shared_ptr<Packet> _parent)
1178 {
1179         return static_pointer_cast<PacketPayload>(
1180                 ParentOwned::share_owned_by(_parent));
1181 }
1182
1183 void *Analog::data_pointer()
1184 {
1185         return _structure->data;
1186 }
1187
1188 unsigned int Analog::num_samples() const
1189 {
1190         return _structure->num_samples;
1191 }
1192
1193 vector<shared_ptr<Channel>> Analog::channels()
1194 {
1195         vector<shared_ptr<Channel>> result;
1196         for (auto l = _structure->meaning->channels; l; l = l->next) {
1197                 auto *const ch = static_cast<struct sr_channel *>(l->data);
1198                 result.push_back(_parent->_device->get_channel(ch));
1199         }
1200         return result;
1201 }
1202
1203 const Quantity *Analog::mq() const
1204 {
1205         return Quantity::get(_structure->meaning->mq);
1206 }
1207
1208 const Unit *Analog::unit() const
1209 {
1210         return Unit::get(_structure->meaning->unit);
1211 }
1212
1213 vector<const QuantityFlag *> Analog::mq_flags() const
1214 {
1215         return QuantityFlag::flags_from_mask(_structure->meaning->mqflags);
1216 }
1217
1218 InputFormat::InputFormat(const struct sr_input_module *structure) :
1219         _structure(structure)
1220 {
1221 }
1222
1223 InputFormat::~InputFormat()
1224 {
1225 }
1226
1227 string InputFormat::name() const
1228 {
1229         return valid_string(sr_input_id_get(_structure));
1230 }
1231
1232 string InputFormat::description() const
1233 {
1234         return valid_string(sr_input_description_get(_structure));
1235 }
1236
1237 vector<string> InputFormat::extensions() const
1238 {
1239         vector<string> exts;
1240         for (const char *const *e = sr_input_extensions_get(_structure);
1241                 e && *e; e++)
1242                 exts.push_back(*e);
1243         return exts;
1244 }
1245
1246 map<string, shared_ptr<Option>> InputFormat::options()
1247 {
1248         map<string, shared_ptr<Option>> result;
1249
1250         if (const struct sr_option **options = sr_input_options_get(_structure))
1251         {
1252                 shared_ptr<const struct sr_option *> option_array
1253                         {options, &sr_input_options_free};
1254                 for (int i = 0; options[i]; i++) {
1255                         shared_ptr<Option> opt {
1256                                 new Option{options[i], option_array},
1257                                 default_delete<Option>{}};
1258                         result.emplace(opt->id(), move(opt));
1259                 }
1260         }
1261         return result;
1262 }
1263
1264 shared_ptr<Input> InputFormat::create_input(
1265         map<string, Glib::VariantBase> options)
1266 {
1267         auto input = sr_input_new(_structure, map_to_hash_variant(options));
1268         if (!input)
1269                 throw Error(SR_ERR_ARG);
1270         return shared_ptr<Input>{new Input{_parent, input}, default_delete<Input>{}};
1271 }
1272
1273 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1274         _structure(structure),
1275         _context(move(context))
1276 {
1277 }
1278
1279 shared_ptr<InputDevice> Input::device()
1280 {
1281         if (!_device)
1282         {
1283                 auto sdi = sr_input_dev_inst_get(_structure);
1284                 if (!sdi)
1285                         throw Error(SR_ERR_NA);
1286                 _device.reset(new InputDevice{shared_from_this(), sdi});
1287         }
1288
1289         return _device->share_owned_by(shared_from_this());
1290 }
1291
1292 void Input::send(void *data, size_t length)
1293 {
1294         auto gstr = g_string_new_len(static_cast<char *>(data), length);
1295         auto ret = sr_input_send(_structure, gstr);
1296         g_string_free(gstr, false);
1297         check(ret);
1298 }
1299
1300 void Input::end()
1301 {
1302         check(sr_input_end(_structure));
1303 }
1304
1305 Input::~Input()
1306 {
1307         sr_input_free(_structure);
1308 }
1309
1310 InputDevice::InputDevice(shared_ptr<Input> input,
1311                 struct sr_dev_inst *structure) :
1312         Device(structure),
1313         _input(move(input))
1314 {
1315 }
1316
1317 InputDevice::~InputDevice()
1318 {
1319 }
1320
1321 shared_ptr<Device> InputDevice::get_shared_from_this()
1322 {
1323         return static_pointer_cast<Device>(shared_from_this());
1324 }
1325
1326 Option::Option(const struct sr_option *structure,
1327                 shared_ptr<const struct sr_option *> structure_array) :
1328         _structure(structure),
1329         _structure_array(move(structure_array))
1330 {
1331 }
1332
1333 Option::~Option()
1334 {
1335 }
1336
1337 string Option::id() const
1338 {
1339         return valid_string(_structure->id);
1340 }
1341
1342 string Option::name() const
1343 {
1344         return valid_string(_structure->name);
1345 }
1346
1347 string Option::description() const
1348 {
1349         return valid_string(_structure->desc);
1350 }
1351
1352 Glib::VariantBase Option::default_value() const
1353 {
1354         return Glib::VariantBase(_structure->def, true);
1355 }
1356
1357 vector<Glib::VariantBase> Option::values() const
1358 {
1359         vector<Glib::VariantBase> result;
1360         for (auto l = _structure->values; l; l = l->next) {
1361                 auto *const var = static_cast<GVariant *>(l->data);
1362                 result.push_back(Glib::VariantBase(var, true));
1363         }
1364         return result;
1365 }
1366
1367 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1368         _structure(structure)
1369 {
1370 }
1371
1372 OutputFormat::~OutputFormat()
1373 {
1374 }
1375
1376 string OutputFormat::name() const
1377 {
1378         return valid_string(sr_output_id_get(_structure));
1379 }
1380
1381 string OutputFormat::description() const
1382 {
1383         return valid_string(sr_output_description_get(_structure));
1384 }
1385
1386 vector<string> OutputFormat::extensions() const
1387 {
1388         vector<string> exts;
1389         for (const char *const *e = sr_output_extensions_get(_structure);
1390                 e && *e; e++)
1391                 exts.push_back(*e);
1392         return exts;
1393 }
1394
1395 map<string, shared_ptr<Option>> OutputFormat::options()
1396 {
1397         map<string, shared_ptr<Option>> result;
1398
1399         if (const struct sr_option **options = sr_output_options_get(_structure))
1400         {
1401                 shared_ptr<const struct sr_option *> option_array
1402                         {options, &sr_output_options_free};
1403                 for (int i = 0; options[i]; i++) {
1404                         shared_ptr<Option> opt {
1405                                 new Option{options[i], option_array},
1406                                 default_delete<Option>{}};
1407                         result.emplace(opt->id(), move(opt));
1408                 }
1409         }
1410         return result;
1411 }
1412
1413 shared_ptr<Output> OutputFormat::create_output(
1414         shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1415 {
1416         return shared_ptr<Output>{
1417                 new Output{shared_from_this(), move(device), move(options)},
1418                 default_delete<Output>{}};
1419 }
1420
1421 shared_ptr<Output> OutputFormat::create_output(string filename,
1422         shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1423 {
1424         return shared_ptr<Output>{
1425                 new Output{move(filename), shared_from_this(), move(device), move(options)},
1426                 default_delete<Output>{}};
1427 }
1428
1429 bool OutputFormat::test_flag(const OutputFlag *flag) const
1430 {
1431         return sr_output_test_flag(_structure, flag->id());
1432 }
1433
1434 Output::Output(shared_ptr<OutputFormat> format,
1435                 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1436         _structure(sr_output_new(format->_structure,
1437                 map_to_hash_variant(options), device->_structure, nullptr)),
1438         _format(move(format)),
1439         _device(move(device)),
1440         _options(move(options))
1441 {
1442 }
1443
1444 Output::Output(string filename, shared_ptr<OutputFormat> format,
1445                 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1446         _structure(sr_output_new(format->_structure,
1447                 map_to_hash_variant(options), device->_structure, filename.c_str())),
1448         _format(move(format)),
1449         _device(move(device)),
1450         _options(move(options))
1451 {
1452 }
1453
1454 Output::~Output()
1455 {
1456         check(sr_output_free(_structure));
1457 }
1458
1459 string Output::receive(shared_ptr<Packet> packet)
1460 {
1461         GString *out;
1462         check(sr_output_send(_structure, packet->_structure, &out));
1463         if (out)
1464         {
1465                 auto result = string(out->str, out->str + out->len);
1466                 g_string_free(out, true);
1467                 return result;
1468         }
1469         else
1470         {
1471                 return string();
1472         }
1473 }
1474
1475 #include <enums.cpp>
1476
1477 }