2 * This file is part of the libsigrok project.
4 * Copyright (C) 2013-2014 Martin Ling <martin-sigrok@earth.li>
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.
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.
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/>.
20 /* Needed for isascii(), as used in the GNU libstdc++ headers */
22 #define _XOPEN_SOURCE 600
26 #include <libsigrokcxx/libsigrokcxx.hpp>
34 /** Helper function to translate C errors to C++ exceptions. */
35 static void check(int result)
41 /** Helper function to obtain valid strings from possibly null input. */
42 static inline const char *valid_string(const char *input)
44 return (input) ? input : "";
47 /** Helper function to convert between map<string, VariantBase> and GHashTable */
48 static GHashTable *map_to_hash_variant(const map<string, Glib::VariantBase> &input)
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());
59 Error::Error(int result) : result(result)
63 const char *Error::what() const noexcept
65 return sr_strerror(result);
68 Error::~Error() noexcept
72 ResourceReader::~ResourceReader()
76 SR_PRIV int ResourceReader::open_callback(struct sr_resource *res,
77 const char *name, void *cb_data)
80 auto *const reader = static_cast<ResourceReader*>(cb_data);
81 reader->open(res, name);
82 } catch (const Error &err) {
90 SR_PRIV int ResourceReader::close_callback(struct sr_resource *res, void *cb_data)
93 auto *const reader = static_cast<ResourceReader*>(cb_data);
95 } catch (const Error &err) {
103 SR_PRIV ssize_t ResourceReader::read_callback(const struct sr_resource *res,
104 void *buf, size_t count, void *cb_data)
107 auto *const reader = static_cast<ResourceReader*>(cb_data);
108 return reader->read(res, buf, count);
109 } catch (const Error &err) {
116 shared_ptr<Context> Context::create()
118 return shared_ptr<Context>(new Context(), Context::Deleter());
122 UserOwned(_structure),
125 check(sr_init(&_structure));
127 struct sr_dev_driver **driver_list = sr_driver_list(_structure);
129 for (int i = 0; driver_list[i]; i++)
130 _drivers[driver_list[i]->name] =
131 new Driver(driver_list[i]);
132 const struct sr_input_module **input_list = sr_input_list();
134 for (int i = 0; input_list[i]; i++)
135 _input_formats[sr_input_id_get(input_list[i])] =
136 new InputFormat(input_list[i]);
137 const struct sr_output_module **output_list = sr_output_list();
139 for (int i = 0; output_list[i]; i++)
140 _output_formats[sr_output_id_get(output_list[i])] =
141 new OutputFormat(output_list[i]);
144 string Context::package_version()
146 return sr_package_version_string_get();
149 string Context::lib_version()
151 return sr_lib_version_string_get();
154 map<string, shared_ptr<Driver>> Context::drivers()
156 map<string, shared_ptr<Driver>> result;
157 for (auto entry: _drivers)
159 auto name = entry.first;
160 auto driver = entry.second;
161 result[name] = driver->get_shared_pointer(this);
166 map<string, shared_ptr<InputFormat>> Context::input_formats()
168 map<string, shared_ptr<InputFormat>> result;
169 for (auto entry: _input_formats)
171 auto name = entry.first;
172 auto input_format = entry.second;
173 result[name] = input_format->get_shared_pointer(this);
178 map<string, shared_ptr<OutputFormat>> Context::output_formats()
180 map<string, shared_ptr<OutputFormat>> result;
181 for (auto entry: _output_formats)
183 auto name = entry.first;
184 auto output_format = entry.second;
185 result[name] = output_format->get_shared_pointer(this);
192 for (auto entry : _drivers)
194 for (auto entry : _input_formats)
196 for (auto entry : _output_formats)
198 check(sr_exit(_structure));
201 const LogLevel *Context::log_level()
203 return LogLevel::get(sr_log_loglevel_get());
206 void Context::set_log_level(const LogLevel *level)
208 check(sr_log_loglevel_set(level->id()));
211 static int call_log_callback(void *cb_data, int loglevel, const char *format, va_list args)
213 const unique_ptr<char, decltype(&g_free)>
214 message {g_strdup_vprintf(format, args), &g_free};
216 auto *const callback = static_cast<LogCallbackFunction *>(cb_data);
220 (*callback)(LogLevel::get(loglevel), message.get());
230 void Context::set_log_callback(LogCallbackFunction callback)
232 _log_callback = move(callback);
233 check(sr_log_callback_set(call_log_callback, &_log_callback));
236 void Context::set_log_callback_default()
238 check(sr_log_callback_set_default());
239 _log_callback = nullptr;
242 void Context::set_resource_reader(ResourceReader *reader)
245 check(sr_resource_set_hooks(_structure,
246 &ResourceReader::open_callback,
247 &ResourceReader::close_callback,
248 &ResourceReader::read_callback, reader));
250 check(sr_resource_set_hooks(_structure,
251 nullptr, nullptr, nullptr, nullptr));
255 shared_ptr<Session> Context::create_session()
257 return shared_ptr<Session>(
258 new Session(shared_from_this()), Session::Deleter());
261 shared_ptr<UserDevice> Context::create_user_device(
262 string vendor, string model, string version)
264 return shared_ptr<UserDevice>(
265 new UserDevice(vendor, model, version), UserDevice::Deleter());
268 shared_ptr<Packet> Context::create_header_packet(Glib::TimeVal start_time)
270 auto header = g_new(struct sr_datafeed_header, 1);
271 header->feed_version = 1;
272 header->starttime.tv_sec = start_time.tv_sec;
273 header->starttime.tv_usec = start_time.tv_usec;
274 auto packet = g_new(struct sr_datafeed_packet, 1);
275 packet->type = SR_DF_HEADER;
276 packet->payload = header;
277 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
280 shared_ptr<Packet> Context::create_meta_packet(
281 const map<const ConfigKey *, Glib::VariantBase> &config)
283 auto meta = g_new0(struct sr_datafeed_meta, 1);
284 for (auto input : config)
286 auto key = input.first;
287 auto value = input.second;
288 auto output = g_new(struct sr_config, 1);
289 output->key = key->id();
290 output->data = value.gobj();
291 g_variant_ref(output->data);
292 meta->config = g_slist_append(meta->config, output);
294 auto packet = g_new(struct sr_datafeed_packet, 1);
295 packet->type = SR_DF_META;
296 packet->payload = meta;
297 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
300 shared_ptr<Packet> Context::create_logic_packet(
301 void *data_pointer, size_t data_length, unsigned int unit_size)
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), Packet::Deleter());
313 shared_ptr<Packet> Context::create_analog_packet(
314 const vector<shared_ptr<Channel> > &channels,
315 float *data_pointer, unsigned int num_samples, const Quantity *mq,
316 const Unit *unit, const vector<const QuantityFlag *> &mqflags)
318 auto analog = g_new0(struct sr_datafeed_analog, 1);
319 auto meaning = g_new0(struct sr_analog_meaning, 1);
321 analog->meaning = meaning;
323 for (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(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), Packet::Deleter());
336 shared_ptr<Session> Context::load_session(string filename)
338 return shared_ptr<Session>(
339 new Session(shared_from_this(), move(filename)), Session::Deleter());
342 shared_ptr<Trigger> Context::create_trigger(string name)
344 return shared_ptr<Trigger>(
345 new Trigger(shared_from_this(), move(name)), Trigger::Deleter());
348 shared_ptr<Input> Context::open_file(string filename)
350 const struct sr_input *input;
352 check(sr_input_scan_file(filename.c_str(), &input));
353 return shared_ptr<Input>(
354 new Input(shared_from_this(), input), Input::Deleter());
357 shared_ptr<Input> Context::open_stream(string header)
359 const struct sr_input *input;
361 auto gstr = g_string_new(header.c_str());
362 auto ret = sr_input_scan_buffer(gstr, &input);
363 g_string_free(gstr, true);
365 return shared_ptr<Input>(
366 new Input(shared_from_this(), input), Input::Deleter());
369 map<string, string> Context::serials(shared_ptr<Driver> driver)
371 GSList *serial_list = sr_serial_list(driver ? driver->_structure : nullptr);
372 map<string, string> serials;
374 for (GSList *serial = serial_list; serial; serial = serial->next) {
375 auto *const port = static_cast<sr_serial_port *>(serial->data);
376 serials[string(port->name)] = string(port->description);
379 g_slist_free_full(serial_list,
380 reinterpret_cast<GDestroyNotify>(&sr_serial_free));
384 Driver::Driver(struct sr_dev_driver *structure) :
385 ParentOwned(structure),
386 Configurable(structure, nullptr, nullptr),
395 string Driver::name()
397 return valid_string(_structure->name);
400 string Driver::long_name()
402 return valid_string(_structure->longname);
405 vector<shared_ptr<HardwareDevice>> Driver::scan(
406 const map<const ConfigKey *, Glib::VariantBase> &options)
408 /* Initialise the driver if not yet done. */
411 check(sr_driver_init(_parent->_structure, _structure));
415 /* Translate scan options to GSList of struct sr_config pointers. */
416 GSList *option_list = nullptr;
417 for (auto entry : options)
419 auto key = entry.first;
420 auto value = entry.second;
421 auto config = g_new(struct sr_config, 1);
422 config->key = key->id();
423 config->data = value.gobj();
424 option_list = g_slist_append(option_list, config);
428 GSList *device_list = sr_driver_scan(_structure, option_list);
430 /* Free option list. */
431 g_slist_free_full(option_list, g_free);
434 /* Create device objects. */
435 vector<shared_ptr<HardwareDevice>> result;
436 for (GSList *device = device_list; device; device = device->next)
438 auto *const sdi = static_cast<struct sr_dev_inst *>(device->data);
439 result.push_back(shared_ptr<HardwareDevice>(
440 new HardwareDevice(shared_from_this(), sdi),
441 HardwareDevice::Deleter()));
444 /* Free GSList returned from scan. */
445 g_slist_free(device_list);
450 Configurable::Configurable(
451 struct sr_dev_driver *driver,
452 struct sr_dev_inst *sdi,
453 struct sr_channel_group *cg) :
454 config_driver(driver),
456 config_channel_group(cg)
460 Configurable::~Configurable()
464 Glib::VariantBase Configurable::config_get(const ConfigKey *key)
468 config_driver, config_sdi, config_channel_group,
470 return Glib::VariantBase(data);
473 void Configurable::config_set(const ConfigKey *key, const Glib::VariantBase &value)
476 config_sdi, config_channel_group,
477 key->id(), const_cast<GVariant*>(value.gobj())));
480 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key)
483 check(sr_config_list(
484 config_driver, config_sdi, config_channel_group,
486 return Glib::VariantContainerBase(data);
489 map<const ConfigKey *, set<Capability>> Configurable::config_keys(const ConfigKey *key)
493 const uint32_t *opts;
494 map<const ConfigKey *, set<Capability>> result;
496 check(sr_config_list(
497 config_driver, config_sdi, config_channel_group,
498 key->id(), &gvar_opts));
500 opts = static_cast<const uint32_t *>(g_variant_get_fixed_array(
501 gvar_opts, &num_opts, sizeof(uint32_t)));
503 for (gsize i = 0; i < num_opts; i++)
505 auto key = ConfigKey::get(opts[i] & SR_CONF_MASK);
506 set<Capability> capabilities;
507 if (opts[i] & SR_CONF_GET)
508 capabilities.insert(GET);
509 if (opts[i] & SR_CONF_SET)
510 capabilities.insert(SET);
511 if (opts[i] & SR_CONF_LIST)
512 capabilities.insert(LIST);
513 result[key] = capabilities;
516 g_variant_unref(gvar_opts);
521 bool Configurable::config_check(const ConfigKey *key,
522 const ConfigKey *index_key)
526 const uint32_t *opts;
528 if (sr_config_list(config_driver, config_sdi, config_channel_group,
529 index_key->id(), &gvar_opts) != SR_OK)
532 opts = static_cast<const uint32_t *>(g_variant_get_fixed_array(
533 gvar_opts, &num_opts, sizeof(uint32_t)));
535 for (gsize i = 0; i < num_opts; i++)
537 if ((opts[i] & SR_CONF_MASK) == unsigned(key->id()))
539 g_variant_unref(gvar_opts);
544 g_variant_unref(gvar_opts);
549 Device::Device(struct sr_dev_inst *structure) :
550 Configurable(sr_dev_inst_driver_get(structure), structure, nullptr),
551 _structure(structure)
553 for (GSList *entry = sr_dev_inst_channels_get(structure); entry; entry = entry->next)
555 auto *const channel = static_cast<struct sr_channel *>(entry->data);
556 _channels[channel] = new Channel(channel);
559 for (GSList *entry = sr_dev_inst_channel_groups_get(structure); entry; entry = entry->next)
561 auto *const group = static_cast<struct sr_channel_group *>(entry->data);
562 _channel_groups[group->name] = new ChannelGroup(this, group);
568 for (auto entry : _channels)
570 for (auto entry : _channel_groups)
574 string Device::vendor()
576 return valid_string(sr_dev_inst_vendor_get(_structure));
579 string Device::model()
581 return valid_string(sr_dev_inst_model_get(_structure));
584 string Device::version()
586 return valid_string(sr_dev_inst_version_get(_structure));
589 string Device::serial_number()
591 return valid_string(sr_dev_inst_sernum_get(_structure));
594 string Device::connection_id()
596 return valid_string(sr_dev_inst_connid_get(_structure));
599 vector<shared_ptr<Channel>> Device::channels()
601 vector<shared_ptr<Channel>> result;
602 for (auto channel = sr_dev_inst_channels_get(_structure); channel; channel = channel->next) {
603 auto *const ch = static_cast<struct sr_channel *>(channel->data);
604 result.push_back(_channels[ch]->get_shared_pointer(get_shared_from_this()));
609 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
611 return _channels[ptr]->get_shared_pointer(get_shared_from_this());
614 map<string, shared_ptr<ChannelGroup>>
615 Device::channel_groups()
617 map<string, shared_ptr<ChannelGroup>> result;
618 for (auto entry: _channel_groups)
620 auto name = entry.first;
621 auto channel_group = entry.second;
622 result[name] = channel_group->get_shared_pointer(get_shared_from_this());
629 check(sr_dev_open(_structure));
634 check(sr_dev_close(_structure));
637 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
638 struct sr_dev_inst *structure) :
639 UserOwned(structure),
641 _driver(move(driver))
645 HardwareDevice::~HardwareDevice()
649 shared_ptr<Device> HardwareDevice::get_shared_from_this()
651 return static_pointer_cast<Device>(shared_from_this());
654 shared_ptr<Driver> HardwareDevice::driver()
659 UserDevice::UserDevice(string vendor, string model, string version) :
660 UserOwned(sr_dev_inst_user_new(
661 vendor.c_str(), model.c_str(), version.c_str())),
662 Device(UserOwned::_structure)
666 UserDevice::~UserDevice()
670 shared_ptr<Device> UserDevice::get_shared_from_this()
672 return static_pointer_cast<Device>(shared_from_this());
675 shared_ptr<Channel> UserDevice::add_channel(unsigned int index,
676 const ChannelType *type, string name)
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);
686 Channel::Channel(struct sr_channel *structure) :
687 ParentOwned(structure),
688 _type(ChannelType::get(_structure->type))
696 string Channel::name()
698 return valid_string(_structure->name);
701 void Channel::set_name(string name)
703 check(sr_dev_channel_name_set(_structure, name.c_str()));
706 const ChannelType *Channel::type()
708 return ChannelType::get(_structure->type);
711 bool Channel::enabled()
713 return _structure->enabled;
716 void Channel::set_enabled(bool value)
718 check(sr_dev_channel_enable(_structure, value));
721 unsigned int Channel::index()
723 return _structure->index;
726 ChannelGroup::ChannelGroup(Device *device,
727 struct sr_channel_group *structure) :
728 ParentOwned(structure),
729 Configurable(sr_dev_inst_driver_get(device->_structure), device->_structure, structure)
731 for (GSList *entry = structure->channels; entry; entry = entry->next) {
732 auto *const ch = static_cast<struct sr_channel *>(entry->data);
733 _channels.push_back(device->_channels[ch]);
737 ChannelGroup::~ChannelGroup()
741 string ChannelGroup::name()
743 return valid_string(_structure->name);
746 vector<shared_ptr<Channel>> ChannelGroup::channels()
748 vector<shared_ptr<Channel>> result;
749 for (auto channel : _channels)
750 result.push_back(channel->get_shared_pointer(_parent));
754 Trigger::Trigger(shared_ptr<Context> context, string name) :
755 UserOwned(sr_trigger_new(name.c_str())),
756 _context(move(context))
758 for (auto stage = _structure->stages; stage; stage = stage->next)
760 new TriggerStage(static_cast<struct sr_trigger_stage *>(stage->data)));
765 for (auto stage: _stages)
768 sr_trigger_free(_structure);
771 string Trigger::name()
773 return _structure->name;
776 vector<shared_ptr<TriggerStage>> Trigger::stages()
778 vector<shared_ptr<TriggerStage>> result;
779 for (auto stage : _stages)
780 result.push_back(stage->get_shared_pointer(this));
784 shared_ptr<TriggerStage> Trigger::add_stage()
786 auto stage = new TriggerStage(sr_trigger_stage_add(_structure));
787 _stages.push_back(stage);
788 return stage->get_shared_pointer(this);
791 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
792 ParentOwned(structure)
796 TriggerStage::~TriggerStage()
798 for (auto match : _matches)
802 int TriggerStage::number()
804 return _structure->stage;
807 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
809 vector<shared_ptr<TriggerMatch>> result;
810 for (auto match : _matches)
811 result.push_back(match->get_shared_pointer(this));
815 void TriggerStage::add_match(shared_ptr<Channel> channel,
816 const TriggerMatchType *type, float value)
818 check(sr_trigger_match_add(_structure,
819 channel->_structure, type->id(), value));
820 GSList *const last = g_slist_last(_structure->matches);
821 _matches.push_back(new TriggerMatch(
822 static_cast<struct sr_trigger_match *>(last->data),
826 void TriggerStage::add_match(shared_ptr<Channel> channel,
827 const TriggerMatchType *type)
829 add_match(move(channel), type, NAN);
832 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
833 shared_ptr<Channel> channel) :
834 ParentOwned(structure),
835 _channel(move(channel))
839 TriggerMatch::~TriggerMatch()
843 shared_ptr<Channel> TriggerMatch::channel()
848 const TriggerMatchType *TriggerMatch::type()
850 return TriggerMatchType::get(_structure->match);
853 float TriggerMatch::value()
855 return _structure->value;
858 DatafeedCallbackData::DatafeedCallbackData(Session *session,
859 DatafeedCallbackFunction callback) :
860 _callback(move(callback)),
865 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
866 const struct sr_datafeed_packet *pkt)
868 auto device = _session->get_device(sdi);
869 auto packet = shared_ptr<Packet>(new Packet(device, pkt), Packet::Deleter());
870 _callback(move(device), move(packet));
873 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
874 ParentOwned(structure),
879 SessionDevice::~SessionDevice()
883 shared_ptr<Device> SessionDevice::get_shared_from_this()
885 return static_pointer_cast<Device>(shared_from_this());
888 Session::Session(shared_ptr<Context> context) :
889 UserOwned(_structure),
890 _context(move(context))
892 check(sr_session_new(_context->_structure, &_structure));
893 _context->_session = this;
896 Session::Session(shared_ptr<Context> context, string filename) :
897 UserOwned(_structure),
898 _context(move(context)),
899 _filename(move(filename))
901 check(sr_session_load(_context->_structure, _filename.c_str(), &_structure));
903 check(sr_session_dev_list(_structure, &dev_list));
904 for (GSList *dev = dev_list; dev; dev = dev->next) {
905 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
906 _owned_devices[sdi] = new SessionDevice(sdi);
908 _context->_session = this;
913 check(sr_session_destroy(_structure));
915 for (auto callback : _datafeed_callbacks)
918 for (auto entry : _owned_devices)
922 shared_ptr<Device> Session::get_device(const struct sr_dev_inst *sdi)
924 if (_owned_devices.count(sdi))
925 return static_pointer_cast<Device>(
926 _owned_devices[sdi]->get_shared_pointer(this));
927 else if (_other_devices.count(sdi))
928 return _other_devices[sdi];
930 throw Error(SR_ERR_BUG);
933 void Session::add_device(shared_ptr<Device> device)
935 const auto dev_struct = device->_structure;
936 check(sr_session_dev_add(_structure, dev_struct));
937 _other_devices[dev_struct] = move(device);
940 vector<shared_ptr<Device>> Session::devices()
943 check(sr_session_dev_list(_structure, &dev_list));
944 vector<shared_ptr<Device>> result;
945 for (GSList *dev = dev_list; dev; dev = dev->next) {
946 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
947 result.push_back(get_device(sdi));
952 void Session::remove_devices()
954 _other_devices.clear();
955 check(sr_session_dev_remove_all(_structure));
958 void Session::start()
960 check(sr_session_start(_structure));
965 check(sr_session_run(_structure));
970 check(sr_session_stop(_structure));
973 bool Session::is_running() const
975 const int ret = sr_session_is_running(_structure);
981 static void session_stopped_callback(void *data)
983 auto *const callback = static_cast<SessionStoppedCallback*>(data);
987 void Session::set_stopped_callback(SessionStoppedCallback callback)
989 _stopped_callback = move(callback);
990 if (_stopped_callback)
991 check(sr_session_stopped_callback_set(_structure,
992 &session_stopped_callback, &_stopped_callback));
994 check(sr_session_stopped_callback_set(_structure,
998 static void datafeed_callback(const struct sr_dev_inst *sdi,
999 const struct sr_datafeed_packet *pkt, void *cb_data)
1001 auto callback = static_cast<DatafeedCallbackData *>(cb_data);
1002 callback->run(sdi, pkt);
1005 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
1007 auto cb_data = new DatafeedCallbackData(this, move(callback));
1008 check(sr_session_datafeed_callback_add(_structure,
1009 datafeed_callback, cb_data));
1010 _datafeed_callbacks.push_back(cb_data);
1013 void Session::remove_datafeed_callbacks()
1015 check(sr_session_datafeed_callback_remove_all(_structure));
1016 for (auto callback : _datafeed_callbacks)
1018 _datafeed_callbacks.clear();
1021 shared_ptr<Trigger> Session::trigger()
1026 void Session::set_trigger(shared_ptr<Trigger> trigger)
1029 // Set NULL trigger, i.e. remove any trigger from the session.
1030 check(sr_session_trigger_set(_structure, nullptr));
1032 check(sr_session_trigger_set(_structure, trigger->_structure));
1033 _trigger = move(trigger);
1036 string Session::filename()
1041 shared_ptr<Context> Session::context()
1046 Packet::Packet(shared_ptr<Device> device,
1047 const struct sr_datafeed_packet *structure) :
1048 UserOwned(structure),
1049 _device(move(device))
1051 switch (structure->type)
1054 _payload = new Header(
1055 static_cast<const struct sr_datafeed_header *>(
1056 structure->payload));
1059 _payload = new Meta(
1060 static_cast<const struct sr_datafeed_meta *>(
1061 structure->payload));
1064 _payload = new Logic(
1065 static_cast<const struct sr_datafeed_logic *>(
1066 structure->payload));
1069 _payload = new Analog(
1070 static_cast<const struct sr_datafeed_analog *>(
1071 structure->payload));
1085 const PacketType *Packet::type()
1087 return PacketType::get(_structure->type);
1090 shared_ptr<PacketPayload> Packet::payload()
1093 return _payload->get_shared_pointer(this);
1095 throw Error(SR_ERR_NA);
1098 PacketPayload::PacketPayload()
1102 PacketPayload::~PacketPayload()
1106 Header::Header(const struct sr_datafeed_header *structure) :
1107 ParentOwned(structure),
1116 shared_ptr<PacketPayload> Header::get_shared_pointer(Packet *_parent)
1118 return static_pointer_cast<PacketPayload>(
1119 ParentOwned::get_shared_pointer(_parent));
1122 int Header::feed_version()
1124 return _structure->feed_version;
1127 Glib::TimeVal Header::start_time()
1129 return Glib::TimeVal(
1130 _structure->starttime.tv_sec,
1131 _structure->starttime.tv_usec);
1134 Meta::Meta(const struct sr_datafeed_meta *structure) :
1135 ParentOwned(structure),
1144 shared_ptr<PacketPayload> Meta::get_shared_pointer(Packet *_parent)
1146 return static_pointer_cast<PacketPayload>(
1147 ParentOwned::get_shared_pointer(_parent));
1150 map<const ConfigKey *, Glib::VariantBase> Meta::config()
1152 map<const ConfigKey *, Glib::VariantBase> result;
1153 for (auto l = _structure->config; l; l = l->next) {
1154 auto *const config = static_cast<struct sr_config *>(l->data);
1155 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data);
1160 Logic::Logic(const struct sr_datafeed_logic *structure) :
1161 ParentOwned(structure),
1170 shared_ptr<PacketPayload> Logic::get_shared_pointer(Packet *_parent)
1172 return static_pointer_cast<PacketPayload>(
1173 ParentOwned::get_shared_pointer(_parent));
1176 void *Logic::data_pointer()
1178 return _structure->data;
1181 size_t Logic::data_length()
1183 return _structure->length;
1186 unsigned int Logic::unit_size()
1188 return _structure->unitsize;
1191 Analog::Analog(const struct sr_datafeed_analog *structure) :
1192 ParentOwned(structure),
1201 shared_ptr<PacketPayload> Analog::get_shared_pointer(Packet *_parent)
1203 return static_pointer_cast<PacketPayload>(
1204 ParentOwned::get_shared_pointer(_parent));
1207 void *Analog::data_pointer()
1209 return _structure->data;
1212 unsigned int Analog::num_samples()
1214 return _structure->num_samples;
1217 vector<shared_ptr<Channel>> Analog::channels()
1219 vector<shared_ptr<Channel>> result;
1220 for (auto l = _structure->meaning->channels; l; l = l->next) {
1221 auto *const ch = static_cast<struct sr_channel *>(l->data);
1222 result.push_back(_parent->_device->get_channel(ch));
1227 const Quantity *Analog::mq()
1229 return Quantity::get(_structure->meaning->mq);
1232 const Unit *Analog::unit()
1234 return Unit::get(_structure->meaning->unit);
1237 vector<const QuantityFlag *> Analog::mq_flags()
1239 return QuantityFlag::flags_from_mask(_structure->meaning->mqflags);
1242 InputFormat::InputFormat(const struct sr_input_module *structure) :
1243 ParentOwned(structure)
1247 InputFormat::~InputFormat()
1251 string InputFormat::name()
1253 return valid_string(sr_input_id_get(_structure));
1256 string InputFormat::description()
1258 return valid_string(sr_input_description_get(_structure));
1261 vector<string> InputFormat::extensions()
1263 vector<string> exts;
1264 for (const char *const *e = sr_input_extensions_get(_structure);
1270 map<string, shared_ptr<Option>> InputFormat::options()
1272 const struct sr_option **options = sr_input_options_get(_structure);
1273 map<string, shared_ptr<Option>> result;
1276 auto option_array = shared_ptr<const struct sr_option *>(
1277 options, sr_input_options_free);
1278 for (int i = 0; options[i]; i++)
1279 result[options[i]->id] = shared_ptr<Option>(
1280 new Option(options[i], option_array), Option::Deleter());
1285 shared_ptr<Input> InputFormat::create_input(
1286 const map<string, Glib::VariantBase> &options)
1288 auto input = sr_input_new(_structure, map_to_hash_variant(options));
1290 throw Error(SR_ERR_ARG);
1291 return shared_ptr<Input>(
1292 new Input(_parent->shared_from_this(), input), Input::Deleter());
1295 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1296 UserOwned(structure),
1297 _context(move(context)),
1302 shared_ptr<InputDevice> Input::device()
1306 auto sdi = sr_input_dev_inst_get(_structure);
1308 throw Error(SR_ERR_NA);
1309 _device = new InputDevice(shared_from_this(), sdi);
1312 return _device->get_shared_pointer(shared_from_this());
1315 void Input::send(void *data, size_t length)
1317 auto gstr = g_string_new_len(static_cast<char *>(data), length);
1318 auto ret = sr_input_send(_structure, gstr);
1319 g_string_free(gstr, false);
1325 check(sr_input_end(_structure));
1332 sr_input_free(_structure);
1335 InputDevice::InputDevice(shared_ptr<Input> input,
1336 struct sr_dev_inst *structure) :
1337 ParentOwned(structure),
1343 InputDevice::~InputDevice()
1347 shared_ptr<Device> InputDevice::get_shared_from_this()
1349 return static_pointer_cast<Device>(shared_from_this());
1352 Option::Option(const struct sr_option *structure,
1353 shared_ptr<const struct sr_option *> structure_array) :
1354 UserOwned(structure),
1355 _structure_array(move(structure_array))
1365 return valid_string(_structure->id);
1368 string Option::name()
1370 return valid_string(_structure->name);
1373 string Option::description()
1375 return valid_string(_structure->desc);
1378 Glib::VariantBase Option::default_value()
1380 return Glib::VariantBase(_structure->def, true);
1383 vector<Glib::VariantBase> Option::values()
1385 vector<Glib::VariantBase> result;
1386 for (auto l = _structure->values; l; l = l->next) {
1387 auto *const var = static_cast<GVariant *>(l->data);
1388 result.push_back(Glib::VariantBase(var, true));
1393 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1394 ParentOwned(structure)
1398 OutputFormat::~OutputFormat()
1402 string OutputFormat::name()
1404 return valid_string(sr_output_id_get(_structure));
1407 string OutputFormat::description()
1409 return valid_string(sr_output_description_get(_structure));
1412 vector<string> OutputFormat::extensions()
1414 vector<string> exts;
1415 for (const char *const *e = sr_output_extensions_get(_structure);
1421 map<string, shared_ptr<Option>> OutputFormat::options()
1423 const struct sr_option **options = sr_output_options_get(_structure);
1424 map<string, shared_ptr<Option>> result;
1427 auto option_array = shared_ptr<const struct sr_option *>(
1428 options, sr_output_options_free);
1429 for (int i = 0; options[i]; i++)
1430 result[options[i]->id] = shared_ptr<Option>(
1431 new Option(options[i], option_array), Option::Deleter());
1436 shared_ptr<Output> OutputFormat::create_output(
1437 shared_ptr<Device> device, const map<string, Glib::VariantBase> &options)
1439 return shared_ptr<Output>(
1440 new Output(shared_from_this(), move(device), options),
1444 shared_ptr<Output> OutputFormat::create_output(string filename,
1445 shared_ptr<Device> device, const map<string, Glib::VariantBase> &options)
1447 return shared_ptr<Output>(
1448 new Output(move(filename), shared_from_this(), move(device), options),
1452 bool OutputFormat::test_flag(const OutputFlag *flag)
1454 return sr_output_test_flag(_structure, flag->id());
1457 Output::Output(shared_ptr<OutputFormat> format,
1458 shared_ptr<Device> device, const map<string, Glib::VariantBase> &options) :
1459 UserOwned(sr_output_new(format->_structure,
1460 map_to_hash_variant(options), device->_structure, nullptr)),
1461 _format(move(format)),
1462 _device(move(device)),
1467 Output::Output(string filename, shared_ptr<OutputFormat> format,
1468 shared_ptr<Device> device, const map<string, Glib::VariantBase> &options) :
1469 UserOwned(sr_output_new(format->_structure,
1470 map_to_hash_variant(options), device->_structure, filename.c_str())),
1471 _format(move(format)),
1472 _device(move(device)),
1479 check(sr_output_free(_structure));
1482 string Output::receive(shared_ptr<Packet> packet)
1485 check(sr_output_send(_structure, packet->_structure, &out));
1488 auto result = string(out->str, out->str + out->len);
1489 g_string_free(out, true);
1498 #include <enums.cpp>