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