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) noexcept
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,
91 void *cb_data) noexcept
94 auto *const reader = static_cast<ResourceReader*>(cb_data);
96 } catch (const Error &err) {
104 SR_PRIV ssize_t ResourceReader::read_callback(const struct sr_resource *res,
105 void *buf, size_t count, void *cb_data) noexcept
108 auto *const reader = static_cast<ResourceReader*>(cb_data);
109 return reader->read(res, buf, count);
110 } catch (const Error &err) {
117 shared_ptr<Context> Context::create()
119 return shared_ptr<Context>(new Context(), Context::Deleter());
126 check(sr_init(&_structure));
128 struct sr_dev_driver **driver_list = sr_driver_list(_structure);
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();
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();
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]);
145 string Context::package_version()
147 return sr_package_version_string_get();
150 string Context::lib_version()
152 return sr_lib_version_string_get();
155 map<string, shared_ptr<Driver>> Context::drivers()
157 map<string, shared_ptr<Driver>> result;
158 for (auto entry: _drivers)
160 auto name = entry.first;
161 auto driver = entry.second;
162 result[name] = driver->share_owned_by(shared_from_this());
167 map<string, shared_ptr<InputFormat>> Context::input_formats()
169 map<string, shared_ptr<InputFormat>> result;
170 for (auto entry: _input_formats)
172 auto name = entry.first;
173 auto input_format = entry.second;
174 result[name] = input_format->share_owned_by(shared_from_this());
179 map<string, shared_ptr<OutputFormat>> Context::output_formats()
181 map<string, shared_ptr<OutputFormat>> result;
182 for (auto entry: _output_formats)
184 auto name = entry.first;
185 auto output_format = entry.second;
186 result[name] = output_format->share_owned_by(shared_from_this());
193 for (auto entry : _drivers)
195 for (auto entry : _input_formats)
197 for (auto entry : _output_formats)
199 check(sr_exit(_structure));
202 const LogLevel *Context::log_level() const
204 return LogLevel::get(sr_log_loglevel_get());
207 void Context::set_log_level(const LogLevel *level)
209 check(sr_log_loglevel_set(level->id()));
212 static int call_log_callback(void *cb_data, int loglevel,
213 const char *format, va_list args) noexcept
215 const unique_ptr<char, decltype(&g_free)>
216 message {g_strdup_vprintf(format, args), &g_free};
218 auto *const callback = static_cast<LogCallbackFunction *>(cb_data);
222 (*callback)(LogLevel::get(loglevel), message.get());
232 void Context::set_log_callback(LogCallbackFunction callback)
234 _log_callback = move(callback);
235 check(sr_log_callback_set(call_log_callback, &_log_callback));
238 void Context::set_log_callback_default()
240 check(sr_log_callback_set_default());
241 _log_callback = nullptr;
244 void Context::set_resource_reader(ResourceReader *reader)
247 check(sr_resource_set_hooks(_structure,
248 &ResourceReader::open_callback,
249 &ResourceReader::close_callback,
250 &ResourceReader::read_callback, reader));
252 check(sr_resource_set_hooks(_structure,
253 nullptr, nullptr, nullptr, nullptr));
257 shared_ptr<Session> Context::create_session()
259 return shared_ptr<Session>(
260 new Session(shared_from_this()), Session::Deleter());
263 shared_ptr<UserDevice> Context::create_user_device(
264 string vendor, string model, string version)
266 return shared_ptr<UserDevice>(
267 new UserDevice(vendor, model, version), UserDevice::Deleter());
270 shared_ptr<Packet> Context::create_header_packet(Glib::TimeVal start_time)
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());
282 shared_ptr<Packet> Context::create_meta_packet(
283 const map<const ConfigKey *, Glib::VariantBase> &config)
285 auto meta = g_new0(struct sr_datafeed_meta, 1);
286 for (auto input : config)
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);
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());
302 shared_ptr<Packet> Context::create_logic_packet(
303 void *data_pointer, size_t data_length, unsigned int unit_size)
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());
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)
320 auto analog = g_new0(struct sr_datafeed_analog, 1);
321 auto meaning = g_new0(struct sr_analog_meaning, 1);
323 analog->meaning = meaning;
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());
338 shared_ptr<Session> Context::load_session(string filename)
340 return shared_ptr<Session>(
341 new Session(shared_from_this(), move(filename)), Session::Deleter());
344 shared_ptr<Trigger> Context::create_trigger(string name)
346 return shared_ptr<Trigger>(
347 new Trigger(shared_from_this(), move(name)), Trigger::Deleter());
350 shared_ptr<Input> Context::open_file(string filename)
352 const struct sr_input *input;
354 check(sr_input_scan_file(filename.c_str(), &input));
355 return shared_ptr<Input>(
356 new Input(shared_from_this(), input), Input::Deleter());
359 shared_ptr<Input> Context::open_stream(string header)
361 const struct sr_input *input;
363 auto gstr = g_string_new(header.c_str());
364 auto ret = sr_input_scan_buffer(gstr, &input);
365 g_string_free(gstr, true);
367 return shared_ptr<Input>(
368 new Input(shared_from_this(), input), Input::Deleter());
371 map<string, string> Context::serials(shared_ptr<Driver> driver) const
373 GSList *serial_list = sr_serial_list(driver ? driver->_structure : nullptr);
374 map<string, string> serials;
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);
381 g_slist_free_full(serial_list,
382 reinterpret_cast<GDestroyNotify>(&sr_serial_free));
386 Driver::Driver(struct sr_dev_driver *structure) :
387 Configurable(structure, nullptr, nullptr),
388 _structure(structure),
397 string Driver::name() const
399 return valid_string(_structure->name);
402 string Driver::long_name() const
404 return valid_string(_structure->longname);
407 vector<shared_ptr<HardwareDevice>> Driver::scan(
408 const map<const ConfigKey *, Glib::VariantBase> &options)
410 /* Initialise the driver if not yet done. */
413 check(sr_driver_init(_parent->_structure, _structure));
417 /* Translate scan options to GSList of struct sr_config pointers. */
418 GSList *option_list = nullptr;
419 for (auto entry : options)
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);
430 GSList *device_list = sr_driver_scan(_structure, option_list);
432 /* Free option list. */
433 g_slist_free_full(option_list, g_free);
436 /* Create device objects. */
437 vector<shared_ptr<HardwareDevice>> result;
438 for (GSList *device = device_list; device; device = device->next)
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()));
446 /* Free GSList returned from scan. */
447 g_slist_free(device_list);
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),
458 config_channel_group(cg)
462 Configurable::~Configurable()
466 Glib::VariantBase Configurable::config_get(const ConfigKey *key) const
470 config_driver, config_sdi, config_channel_group,
472 return Glib::VariantBase(data);
475 void Configurable::config_set(const ConfigKey *key, const Glib::VariantBase &value)
478 config_sdi, config_channel_group,
479 key->id(), const_cast<GVariant*>(value.gobj())));
482 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key) const
485 check(sr_config_list(
486 config_driver, config_sdi, config_channel_group,
488 return Glib::VariantContainerBase(data);
491 map<const ConfigKey *, set<Capability>> Configurable::config_keys(const ConfigKey *key)
495 const uint32_t *opts;
496 map<const ConfigKey *, set<Capability>> result;
498 check(sr_config_list(
499 config_driver, config_sdi, config_channel_group,
500 key->id(), &gvar_opts));
502 opts = static_cast<const uint32_t *>(g_variant_get_fixed_array(
503 gvar_opts, &num_opts, sizeof(uint32_t)));
505 for (gsize i = 0; i < num_opts; i++)
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;
518 g_variant_unref(gvar_opts);
523 bool Configurable::config_check(const ConfigKey *key,
524 const ConfigKey *index_key) const
528 const uint32_t *opts;
530 if (sr_config_list(config_driver, config_sdi, config_channel_group,
531 index_key->id(), &gvar_opts) != SR_OK)
534 opts = static_cast<const uint32_t *>(g_variant_get_fixed_array(
535 gvar_opts, &num_opts, sizeof(uint32_t)));
537 for (gsize i = 0; i < num_opts; i++)
539 if ((opts[i] & SR_CONF_MASK) == unsigned(key->id()))
541 g_variant_unref(gvar_opts);
546 g_variant_unref(gvar_opts);
551 Device::Device(struct sr_dev_inst *structure) :
552 Configurable(sr_dev_inst_driver_get(structure), structure, nullptr),
553 _structure(structure)
555 for (GSList *entry = sr_dev_inst_channels_get(structure); entry; entry = entry->next)
557 auto *const channel = static_cast<struct sr_channel *>(entry->data);
558 _channels[channel] = new Channel(channel);
561 for (GSList *entry = sr_dev_inst_channel_groups_get(structure); entry; entry = entry->next)
563 auto *const group = static_cast<struct sr_channel_group *>(entry->data);
564 _channel_groups[group->name] = new ChannelGroup(this, group);
570 for (auto entry : _channels)
572 for (auto entry : _channel_groups)
576 string Device::vendor() const
578 return valid_string(sr_dev_inst_vendor_get(_structure));
581 string Device::model() const
583 return valid_string(sr_dev_inst_model_get(_structure));
586 string Device::version() const
588 return valid_string(sr_dev_inst_version_get(_structure));
591 string Device::serial_number() const
593 return valid_string(sr_dev_inst_sernum_get(_structure));
596 string Device::connection_id() const
598 return valid_string(sr_dev_inst_connid_get(_structure));
601 vector<shared_ptr<Channel>> Device::channels()
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()));
611 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
613 return _channels[ptr]->share_owned_by(get_shared_from_this());
616 map<string, shared_ptr<ChannelGroup>>
617 Device::channel_groups()
619 map<string, shared_ptr<ChannelGroup>> result;
620 for (auto entry: _channel_groups)
622 auto name = entry.first;
623 auto channel_group = entry.second;
624 result[name] = channel_group->share_owned_by(get_shared_from_this());
631 check(sr_dev_open(_structure));
636 check(sr_dev_close(_structure));
639 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
640 struct sr_dev_inst *structure) :
642 _driver(move(driver))
646 HardwareDevice::~HardwareDevice()
650 shared_ptr<Device> HardwareDevice::get_shared_from_this()
652 return static_pointer_cast<Device>(shared_from_this());
655 shared_ptr<Driver> HardwareDevice::driver()
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()))
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 _structure(structure),
688 _type(ChannelType::get(_structure->type))
696 string Channel::name() const
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() const
708 return ChannelType::get(_structure->type);
711 bool Channel::enabled() const
713 return _structure->enabled;
716 void Channel::set_enabled(bool value)
718 check(sr_dev_channel_enable(_structure, value));
721 unsigned int Channel::index() const
723 return _structure->index;
726 ChannelGroup::ChannelGroup(Device *device,
727 struct sr_channel_group *structure) :
728 Configurable(sr_dev_inst_driver_get(device->_structure), device->_structure, structure)
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]);
736 ChannelGroup::~ChannelGroup()
740 string ChannelGroup::name() const
742 return valid_string(config_channel_group->name);
745 vector<shared_ptr<Channel>> ChannelGroup::channels()
747 vector<shared_ptr<Channel>> result;
748 for (auto channel : _channels)
749 result.push_back(channel->share_owned_by(_parent));
753 Trigger::Trigger(shared_ptr<Context> context, string name) :
754 _structure(sr_trigger_new(name.c_str())),
755 _context(move(context))
757 for (auto stage = _structure->stages; stage; stage = stage->next)
759 new TriggerStage(static_cast<struct sr_trigger_stage *>(stage->data)));
764 for (auto stage: _stages)
767 sr_trigger_free(_structure);
770 string Trigger::name() const
772 return _structure->name;
775 vector<shared_ptr<TriggerStage>> Trigger::stages()
777 vector<shared_ptr<TriggerStage>> result;
778 for (auto stage : _stages)
779 result.push_back(stage->share_owned_by(shared_from_this()));
783 shared_ptr<TriggerStage> Trigger::add_stage()
785 auto stage = new TriggerStage(sr_trigger_stage_add(_structure));
786 _stages.push_back(stage);
787 return stage->share_owned_by(shared_from_this());
790 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
791 _structure(structure)
795 TriggerStage::~TriggerStage()
797 for (auto match : _matches)
801 int TriggerStage::number() const
803 return _structure->stage;
806 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
808 vector<shared_ptr<TriggerMatch>> result;
809 for (auto match : _matches)
810 result.push_back(match->share_owned_by(shared_from_this()));
814 void TriggerStage::add_match(shared_ptr<Channel> channel,
815 const TriggerMatchType *type, float value)
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),
825 void TriggerStage::add_match(shared_ptr<Channel> channel,
826 const TriggerMatchType *type)
828 add_match(move(channel), type, NAN);
831 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
832 shared_ptr<Channel> channel) :
833 _structure(structure),
834 _channel(move(channel))
838 TriggerMatch::~TriggerMatch()
842 shared_ptr<Channel> TriggerMatch::channel()
847 const TriggerMatchType *TriggerMatch::type() const
849 return TriggerMatchType::get(_structure->match);
852 float TriggerMatch::value() const
854 return _structure->value;
857 DatafeedCallbackData::DatafeedCallbackData(Session *session,
858 DatafeedCallbackFunction callback) :
859 _callback(move(callback)),
864 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
865 const struct sr_datafeed_packet *pkt)
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));
872 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
877 SessionDevice::~SessionDevice()
881 shared_ptr<Device> SessionDevice::get_shared_from_this()
883 return static_pointer_cast<Device>(shared_from_this());
886 Session::Session(shared_ptr<Context> context) :
888 _context(move(context))
890 check(sr_session_new(_context->_structure, &_structure));
891 _context->_session = this;
894 Session::Session(shared_ptr<Context> context, string filename) :
896 _context(move(context)),
897 _filename(move(filename))
899 check(sr_session_load(_context->_structure, _filename.c_str(), &_structure));
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);
906 _context->_session = this;
911 check(sr_session_destroy(_structure));
913 for (auto callback : _datafeed_callbacks)
916 for (auto entry : _owned_devices)
920 shared_ptr<Device> Session::get_device(const struct sr_dev_inst *sdi)
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];
928 throw Error(SR_ERR_BUG);
931 void Session::add_device(shared_ptr<Device> device)
933 const auto dev_struct = device->_structure;
934 check(sr_session_dev_add(_structure, dev_struct));
935 _other_devices[dev_struct] = move(device);
938 vector<shared_ptr<Device>> Session::devices()
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));
950 void Session::remove_devices()
952 _other_devices.clear();
953 check(sr_session_dev_remove_all(_structure));
956 void Session::start()
958 check(sr_session_start(_structure));
963 check(sr_session_run(_structure));
968 check(sr_session_stop(_structure));
971 bool Session::is_running() const
973 const int ret = sr_session_is_running(_structure);
979 static void session_stopped_callback(void *data) noexcept
981 auto *const callback = static_cast<SessionStoppedCallback*>(data);
985 void Session::set_stopped_callback(SessionStoppedCallback callback)
987 _stopped_callback = move(callback);
988 if (_stopped_callback)
989 check(sr_session_stopped_callback_set(_structure,
990 &session_stopped_callback, &_stopped_callback));
992 check(sr_session_stopped_callback_set(_structure,
996 static void datafeed_callback(const struct sr_dev_inst *sdi,
997 const struct sr_datafeed_packet *pkt, void *cb_data) noexcept
999 auto callback = static_cast<DatafeedCallbackData *>(cb_data);
1000 callback->run(sdi, pkt);
1003 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
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);
1011 void Session::remove_datafeed_callbacks()
1013 check(sr_session_datafeed_callback_remove_all(_structure));
1014 for (auto callback : _datafeed_callbacks)
1016 _datafeed_callbacks.clear();
1019 shared_ptr<Trigger> Session::trigger()
1024 void Session::set_trigger(shared_ptr<Trigger> trigger)
1027 // Set NULL trigger, i.e. remove any trigger from the session.
1028 check(sr_session_trigger_set(_structure, nullptr));
1030 check(sr_session_trigger_set(_structure, trigger->_structure));
1031 _trigger = move(trigger);
1034 string Session::filename() const
1039 shared_ptr<Context> Session::context()
1044 Packet::Packet(shared_ptr<Device> device,
1045 const struct sr_datafeed_packet *structure) :
1046 _structure(structure),
1047 _device(move(device))
1049 switch (structure->type)
1052 _payload = new Header(
1053 static_cast<const struct sr_datafeed_header *>(
1054 structure->payload));
1057 _payload = new Meta(
1058 static_cast<const struct sr_datafeed_meta *>(
1059 structure->payload));
1062 _payload = new Logic(
1063 static_cast<const struct sr_datafeed_logic *>(
1064 structure->payload));
1067 _payload = new Analog(
1068 static_cast<const struct sr_datafeed_analog *>(
1069 structure->payload));
1083 const PacketType *Packet::type() const
1085 return PacketType::get(_structure->type);
1088 shared_ptr<PacketPayload> Packet::payload()
1091 return _payload->share_owned_by(shared_from_this());
1093 throw Error(SR_ERR_NA);
1096 PacketPayload::PacketPayload()
1100 PacketPayload::~PacketPayload()
1104 Header::Header(const struct sr_datafeed_header *structure) :
1106 _structure(structure)
1114 shared_ptr<PacketPayload> Header::share_owned_by(shared_ptr<Packet> _parent)
1116 return static_pointer_cast<PacketPayload>(
1117 ParentOwned::share_owned_by(_parent));
1120 int Header::feed_version() const
1122 return _structure->feed_version;
1125 Glib::TimeVal Header::start_time() const
1127 return Glib::TimeVal(
1128 _structure->starttime.tv_sec,
1129 _structure->starttime.tv_usec);
1132 Meta::Meta(const struct sr_datafeed_meta *structure) :
1134 _structure(structure)
1142 shared_ptr<PacketPayload> Meta::share_owned_by(shared_ptr<Packet> _parent)
1144 return static_pointer_cast<PacketPayload>(
1145 ParentOwned::share_owned_by(_parent));
1148 map<const ConfigKey *, Glib::VariantBase> Meta::config() const
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);
1158 Logic::Logic(const struct sr_datafeed_logic *structure) :
1160 _structure(structure)
1168 shared_ptr<PacketPayload> Logic::share_owned_by(shared_ptr<Packet> _parent)
1170 return static_pointer_cast<PacketPayload>(
1171 ParentOwned::share_owned_by(_parent));
1174 void *Logic::data_pointer()
1176 return _structure->data;
1179 size_t Logic::data_length() const
1181 return _structure->length;
1184 unsigned int Logic::unit_size() const
1186 return _structure->unitsize;
1189 Analog::Analog(const struct sr_datafeed_analog *structure) :
1191 _structure(structure)
1199 shared_ptr<PacketPayload> Analog::share_owned_by(shared_ptr<Packet> _parent)
1201 return static_pointer_cast<PacketPayload>(
1202 ParentOwned::share_owned_by(_parent));
1205 void *Analog::data_pointer()
1207 return _structure->data;
1210 unsigned int Analog::num_samples() const
1212 return _structure->num_samples;
1215 vector<shared_ptr<Channel>> Analog::channels()
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));
1225 const Quantity *Analog::mq() const
1227 return Quantity::get(_structure->meaning->mq);
1230 const Unit *Analog::unit() const
1232 return Unit::get(_structure->meaning->unit);
1235 vector<const QuantityFlag *> Analog::mq_flags() const
1237 return QuantityFlag::flags_from_mask(_structure->meaning->mqflags);
1240 InputFormat::InputFormat(const struct sr_input_module *structure) :
1241 _structure(structure)
1245 InputFormat::~InputFormat()
1249 string InputFormat::name() const
1251 return valid_string(sr_input_id_get(_structure));
1254 string InputFormat::description() const
1256 return valid_string(sr_input_description_get(_structure));
1259 vector<string> InputFormat::extensions() const
1261 vector<string> exts;
1262 for (const char *const *e = sr_input_extensions_get(_structure);
1268 map<string, shared_ptr<Option>> InputFormat::options()
1270 const struct sr_option **options = sr_input_options_get(_structure);
1271 map<string, shared_ptr<Option>> result;
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());
1283 shared_ptr<Input> InputFormat::create_input(
1284 const map<string, Glib::VariantBase> &options)
1286 auto input = sr_input_new(_structure, map_to_hash_variant(options));
1288 throw Error(SR_ERR_ARG);
1289 return shared_ptr<Input>(new Input(_parent, input), Input::Deleter());
1292 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1293 _structure(structure),
1294 _context(move(context)),
1299 shared_ptr<InputDevice> Input::device()
1303 auto sdi = sr_input_dev_inst_get(_structure);
1305 throw Error(SR_ERR_NA);
1306 _device = new InputDevice(shared_from_this(), sdi);
1309 return _device->share_owned_by(shared_from_this());
1312 void Input::send(void *data, size_t length)
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);
1322 check(sr_input_end(_structure));
1329 sr_input_free(_structure);
1332 InputDevice::InputDevice(shared_ptr<Input> input,
1333 struct sr_dev_inst *structure) :
1339 InputDevice::~InputDevice()
1343 shared_ptr<Device> InputDevice::get_shared_from_this()
1345 return static_pointer_cast<Device>(shared_from_this());
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))
1359 string Option::id() const
1361 return valid_string(_structure->id);
1364 string Option::name() const
1366 return valid_string(_structure->name);
1369 string Option::description() const
1371 return valid_string(_structure->desc);
1374 Glib::VariantBase Option::default_value() const
1376 return Glib::VariantBase(_structure->def, true);
1379 vector<Glib::VariantBase> Option::values() const
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));
1389 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1390 _structure(structure)
1394 OutputFormat::~OutputFormat()
1398 string OutputFormat::name() const
1400 return valid_string(sr_output_id_get(_structure));
1403 string OutputFormat::description() const
1405 return valid_string(sr_output_description_get(_structure));
1408 vector<string> OutputFormat::extensions() const
1410 vector<string> exts;
1411 for (const char *const *e = sr_output_extensions_get(_structure);
1417 map<string, shared_ptr<Option>> OutputFormat::options()
1419 const struct sr_option **options = sr_output_options_get(_structure);
1420 map<string, shared_ptr<Option>> result;
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());
1432 shared_ptr<Output> OutputFormat::create_output(
1433 shared_ptr<Device> device, const map<string, Glib::VariantBase> &options)
1435 return shared_ptr<Output>(
1436 new Output(shared_from_this(), move(device), options),
1440 shared_ptr<Output> OutputFormat::create_output(string filename,
1441 shared_ptr<Device> device, const map<string, Glib::VariantBase> &options)
1443 return shared_ptr<Output>(
1444 new Output(move(filename), shared_from_this(), move(device), options),
1448 bool OutputFormat::test_flag(const OutputFlag *flag) const
1450 return sr_output_test_flag(_structure, flag->id());
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)),
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)),
1475 check(sr_output_free(_structure));
1478 string Output::receive(shared_ptr<Packet> packet)
1481 check(sr_output_send(_structure, packet->_structure, &out));
1484 auto result = string(out->str, out->str + out->len);
1485 g_string_free(out, true);
1494 #include <enums.cpp>