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 const char *valid_string(const char *input)
50 /** Helper function to convert between map<string, VariantBase> and GHashTable */
51 static GHashTable *map_to_hash_variant(map<string, Glib::VariantBase> input)
53 auto output = g_hash_table_new_full(
54 g_str_hash, g_str_equal, g_free, (GDestroyNotify) g_variant_unref);
55 for (auto entry : input)
56 g_hash_table_insert(output,
57 g_strdup(entry.first.c_str()),
58 entry.second.gobj_copy());
62 Error::Error(int result) : result(result)
66 const char *Error::what() const throw()
68 return sr_strerror(result);
71 Error::~Error() throw()
75 ResourceReader::~ResourceReader()
79 SR_PRIV int ResourceReader::open_callback(struct sr_resource *res,
80 const char *name, void *cb_data)
83 auto *const reader = static_cast<ResourceReader*>(cb_data);
84 reader->open(res, name);
85 } catch (const Error &err) {
93 SR_PRIV int ResourceReader::close_callback(struct sr_resource *res, void *cb_data)
96 auto *const reader = static_cast<ResourceReader*>(cb_data);
98 } catch (const Error &err) {
106 SR_PRIV ssize_t ResourceReader::read_callback(const struct sr_resource *res,
107 void *buf, size_t count, void *cb_data)
110 auto *const reader = static_cast<ResourceReader*>(cb_data);
111 return reader->read(res, buf, count);
112 } catch (const Error &err) {
119 shared_ptr<Context> Context::create()
121 return shared_ptr<Context>(new Context(), Context::Deleter());
125 UserOwned(_structure),
128 check(sr_init(&_structure));
130 struct sr_dev_driver **driver_list = sr_driver_list(_structure);
132 for (int i = 0; driver_list[i]; i++)
133 _drivers[driver_list[i]->name] =
134 new Driver(driver_list[i]);
135 const struct sr_input_module **input_list = sr_input_list();
137 for (int i = 0; input_list[i]; i++)
138 _input_formats[sr_input_id_get(input_list[i])] =
139 new InputFormat(input_list[i]);
140 const struct sr_output_module **output_list = sr_output_list();
142 for (int i = 0; output_list[i]; i++)
143 _output_formats[sr_output_id_get(output_list[i])] =
144 new OutputFormat(output_list[i]);
147 string Context::package_version()
149 return sr_package_version_string_get();
152 string Context::lib_version()
154 return sr_lib_version_string_get();
157 map<string, shared_ptr<Driver>> Context::drivers()
159 map<string, shared_ptr<Driver>> result;
160 for (auto entry: _drivers)
162 auto name = entry.first;
163 auto driver = entry.second;
164 result[name] = driver->get_shared_pointer(this);
169 map<string, shared_ptr<InputFormat>> Context::input_formats()
171 map<string, shared_ptr<InputFormat>> result;
172 for (auto entry: _input_formats)
174 auto name = entry.first;
175 auto input_format = entry.second;
176 result[name] = input_format->get_shared_pointer(this);
181 map<string, shared_ptr<OutputFormat>> Context::output_formats()
183 map<string, shared_ptr<OutputFormat>> result;
184 for (auto entry: _output_formats)
186 auto name = entry.first;
187 auto output_format = entry.second;
188 result[name] = output_format->get_shared_pointer(this);
195 for (auto entry : _drivers)
197 for (auto entry : _input_formats)
199 for (auto entry : _output_formats)
201 check(sr_exit(_structure));
204 const LogLevel *Context::log_level()
206 return LogLevel::get(sr_log_loglevel_get());
209 void Context::set_log_level(const LogLevel *level)
211 check(sr_log_loglevel_set(level->id()));
214 static int call_log_callback(void *cb_data, int loglevel, const char *format, va_list args)
217 va_copy(args_copy, args);
218 int length = vsnprintf(NULL, 0, format, args_copy);
220 char *buf = (char *) g_malloc(length + 1);
221 vsprintf(buf, format, args);
222 string message(buf, length);
225 LogCallbackFunction callback = *((LogCallbackFunction *) cb_data);
229 callback(LogLevel::get(loglevel), message);
239 void Context::set_log_callback(LogCallbackFunction callback)
241 _log_callback = callback;
242 check(sr_log_callback_set(call_log_callback, &_log_callback));
245 void Context::set_log_callback_default()
247 check(sr_log_callback_set_default());
248 _log_callback = nullptr;
251 void Context::set_resource_reader(ResourceReader *reader)
254 check(sr_resource_set_hooks(_structure,
255 &ResourceReader::open_callback,
256 &ResourceReader::close_callback,
257 &ResourceReader::read_callback, reader));
259 check(sr_resource_set_hooks(_structure,
260 nullptr, nullptr, nullptr, nullptr));
264 shared_ptr<Session> Context::create_session()
266 return shared_ptr<Session>(
267 new Session(shared_from_this()), Session::Deleter());
270 shared_ptr<UserDevice> Context::create_user_device(
271 string vendor, string model, string version)
273 return shared_ptr<UserDevice>(
274 new UserDevice(vendor, model, version), UserDevice::Deleter());
277 shared_ptr<Packet> Context::create_header_packet(Glib::TimeVal start_time)
279 auto header = g_new(struct sr_datafeed_header, 1);
280 header->feed_version = 1;
281 header->starttime.tv_sec = start_time.tv_sec;
282 header->starttime.tv_usec = start_time.tv_usec;
283 auto packet = g_new(struct sr_datafeed_packet, 1);
284 packet->type = SR_DF_HEADER;
285 packet->payload = header;
286 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
289 shared_ptr<Packet> Context::create_meta_packet(
290 map<const ConfigKey *, Glib::VariantBase> config)
292 auto meta = g_new0(struct sr_datafeed_meta, 1);
293 for (auto input : config)
295 auto key = input.first;
296 auto value = input.second;
297 auto output = g_new(struct sr_config, 1);
298 output->key = key->id();
299 output->data = value.gobj();
300 g_variant_ref(output->data);
301 meta->config = g_slist_append(meta->config, output);
303 auto packet = g_new(struct sr_datafeed_packet, 1);
304 packet->type = SR_DF_META;
305 packet->payload = meta;
306 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
309 shared_ptr<Packet> Context::create_logic_packet(
310 void *data_pointer, size_t data_length, unsigned int unit_size)
312 auto logic = g_new(struct sr_datafeed_logic, 1);
313 logic->length = data_length;
314 logic->unitsize = unit_size;
315 logic->data = data_pointer;
316 auto packet = g_new(struct sr_datafeed_packet, 1);
317 packet->type = SR_DF_LOGIC;
318 packet->payload = logic;
319 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
322 shared_ptr<Packet> Context::create_analog_packet(
323 vector<shared_ptr<Channel> > channels,
324 float *data_pointer, unsigned int num_samples, const Quantity *mq,
325 const Unit *unit, vector<const QuantityFlag *> mqflags)
327 auto analog = g_new0(struct sr_datafeed_analog, 1);
328 for (auto channel : channels)
329 analog->channels = g_slist_append(analog->channels, channel->_structure);
330 analog->num_samples = num_samples;
331 analog->mq = mq->id();
332 analog->unit = unit->id();
333 analog->mqflags = QuantityFlag::mask_from_flags(mqflags);
334 analog->data = data_pointer;
335 auto packet = g_new(struct sr_datafeed_packet, 1);
336 packet->type = SR_DF_ANALOG;
337 packet->payload = analog;
338 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
341 shared_ptr<Session> Context::load_session(string filename)
343 return shared_ptr<Session>(
344 new Session(shared_from_this(), filename), Session::Deleter());
347 shared_ptr<Trigger> Context::create_trigger(string name)
349 return shared_ptr<Trigger>(
350 new Trigger(shared_from_this(), name), Trigger::Deleter());
353 shared_ptr<Input> Context::open_file(string filename)
355 const struct sr_input *input;
357 check(sr_input_scan_file(filename.c_str(), &input));
358 return shared_ptr<Input>(
359 new Input(shared_from_this(), input), Input::Deleter());
362 shared_ptr<Input> Context::open_stream(string header)
364 const struct sr_input *input;
366 auto gstr = g_string_new(header.c_str());
367 auto ret = sr_input_scan_buffer(gstr, &input);
368 g_string_free(gstr, true);
370 return shared_ptr<Input>(
371 new Input(shared_from_this(), input), Input::Deleter());
374 map<string, string> Context::serials(shared_ptr<Driver> driver)
376 GSList *serial_list = sr_serial_list(driver ? driver->_structure : NULL);
377 map<string, string> serials;
379 for (GSList *serial = serial_list; serial; serial = serial->next) {
380 struct sr_serial_port *port = (sr_serial_port *) serial->data;
381 serials[string(port->name)] = string(port->description);
384 g_slist_free_full(serial_list, (GDestroyNotify)sr_serial_free);
388 Driver::Driver(struct sr_dev_driver *structure) :
389 ParentOwned(structure),
390 Configurable(structure, NULL, NULL),
399 string Driver::name()
401 return valid_string(_structure->name);
404 string Driver::long_name()
406 return valid_string(_structure->longname);
409 vector<shared_ptr<HardwareDevice>> Driver::scan(
410 map<const ConfigKey *, Glib::VariantBase> options)
412 /* Initialise the driver if not yet done. */
415 check(sr_driver_init(_parent->_structure, _structure));
419 /* Translate scan options to GSList of struct sr_config pointers. */
420 GSList *option_list = NULL;
421 for (auto entry : options)
423 auto key = entry.first;
424 auto value = entry.second;
425 auto config = g_new(struct sr_config, 1);
426 config->key = key->id();
427 config->data = value.gobj();
428 option_list = g_slist_append(option_list, config);
432 GSList *device_list = sr_driver_scan(_structure, option_list);
434 /* Free option list. */
435 g_slist_free_full(option_list, g_free);
438 /* Create device objects. */
439 vector<shared_ptr<HardwareDevice>> result;
440 for (GSList *device = device_list; device; device = device->next)
442 auto sdi = (struct sr_dev_inst *) device->data;
443 result.push_back(shared_ptr<HardwareDevice>(
444 new HardwareDevice(shared_from_this(), sdi),
445 HardwareDevice::Deleter()));
448 /* Free GSList returned from scan. */
449 g_slist_free(device_list);
454 Configurable::Configurable(
455 struct sr_dev_driver *driver,
456 struct sr_dev_inst *sdi,
457 struct sr_channel_group *cg) :
458 config_driver(driver),
460 config_channel_group(cg)
464 Configurable::~Configurable()
468 Glib::VariantBase Configurable::config_get(const ConfigKey *key)
472 config_driver, config_sdi, config_channel_group,
474 return Glib::VariantBase(data);
477 void Configurable::config_set(const ConfigKey *key, Glib::VariantBase value)
480 config_sdi, config_channel_group,
481 key->id(), value.gobj()));
484 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key)
487 check(sr_config_list(
488 config_driver, config_sdi, config_channel_group,
490 return Glib::VariantContainerBase(data);
493 map<const ConfigKey *, set<Capability>> Configurable::config_keys(const ConfigKey *key)
497 const uint32_t *opts;
498 map<const ConfigKey *, set<Capability>> result;
500 check(sr_config_list(
501 config_driver, config_sdi, config_channel_group,
502 key->id(), &gvar_opts));
504 opts = (const uint32_t *) g_variant_get_fixed_array(
505 gvar_opts, &num_opts, sizeof(uint32_t));
507 for (gsize i = 0; i < num_opts; i++)
509 auto key = ConfigKey::get(opts[i] & SR_CONF_MASK);
510 set<Capability> capabilities;
511 if (opts[i] & SR_CONF_GET)
512 capabilities.insert(GET);
513 if (opts[i] & SR_CONF_SET)
514 capabilities.insert(SET);
515 if (opts[i] & SR_CONF_LIST)
516 capabilities.insert(LIST);
517 result[key] = capabilities;
520 g_variant_unref(gvar_opts);
525 bool Configurable::config_check(const ConfigKey *key,
526 const ConfigKey *index_key)
530 const uint32_t *opts;
532 if (sr_config_list(config_driver, config_sdi, config_channel_group,
533 index_key->id(), &gvar_opts) != SR_OK)
536 opts = (const uint32_t *) g_variant_get_fixed_array(
537 gvar_opts, &num_opts, sizeof(uint32_t));
539 for (gsize i = 0; i < num_opts; i++)
541 if ((opts[i] & SR_CONF_MASK) == (uint32_t) key->id())
543 g_variant_unref(gvar_opts);
548 g_variant_unref(gvar_opts);
553 Device::Device(struct sr_dev_inst *structure) :
554 Configurable(sr_dev_inst_driver_get(structure), structure, NULL),
555 _structure(structure)
557 for (GSList *entry = sr_dev_inst_channels_get(structure); entry; entry = entry->next)
559 auto channel = (struct sr_channel *) entry->data;
560 _channels[channel] = new Channel(channel);
563 for (GSList *entry = sr_dev_inst_channel_groups_get(structure); entry; entry = entry->next)
565 auto group = (struct sr_channel_group *) entry->data;
566 _channel_groups[group->name] = new ChannelGroup(this, group);
572 for (auto entry : _channels)
574 for (auto entry : _channel_groups)
578 string Device::vendor()
580 return valid_string(sr_dev_inst_vendor_get(_structure));
583 string Device::model()
585 return valid_string(sr_dev_inst_model_get(_structure));
588 string Device::version()
590 return valid_string(sr_dev_inst_version_get(_structure));
593 string Device::serial_number()
595 return valid_string(sr_dev_inst_sernum_get(_structure));
598 string Device::connection_id()
600 return valid_string(sr_dev_inst_connid_get(_structure));
603 vector<shared_ptr<Channel>> Device::channels()
605 vector<shared_ptr<Channel>> result;
606 for (auto channel = sr_dev_inst_channels_get(_structure); channel; channel = channel->next)
608 _channels[(struct sr_channel *) channel->data]->get_shared_pointer(
609 get_shared_from_this()));
613 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
615 return _channels[ptr]->get_shared_pointer(get_shared_from_this());
618 map<string, shared_ptr<ChannelGroup>>
619 Device::channel_groups()
621 map<string, shared_ptr<ChannelGroup>> result;
622 for (auto entry: _channel_groups)
624 auto name = entry.first;
625 auto channel_group = entry.second;
626 result[name] = channel_group->get_shared_pointer(get_shared_from_this());
633 check(sr_dev_open(_structure));
638 check(sr_dev_close(_structure));
641 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
642 struct sr_dev_inst *structure) :
643 UserOwned(structure),
649 HardwareDevice::~HardwareDevice()
653 shared_ptr<Device> HardwareDevice::get_shared_from_this()
655 return static_pointer_cast<Device>(shared_from_this());
658 shared_ptr<Driver> HardwareDevice::driver()
663 UserDevice::UserDevice(string vendor, string model, string version) :
664 UserOwned(sr_dev_inst_user_new(
665 vendor.c_str(), model.c_str(), version.c_str())),
666 Device(UserOwned::_structure)
670 UserDevice::~UserDevice()
674 shared_ptr<Device> UserDevice::get_shared_from_this()
676 return static_pointer_cast<Device>(shared_from_this());
679 shared_ptr<Channel> UserDevice::add_channel(unsigned int index,
680 const ChannelType *type, string name)
682 check(sr_dev_inst_channel_add(Device::_structure,
683 index, type->id(), name.c_str()));
684 struct sr_channel *structure = (struct sr_channel *)
685 g_slist_last(sr_dev_inst_channels_get(Device::_structure))->data;
686 Channel *channel = new Channel(structure);
687 _channels[structure] = channel;
688 return get_channel(structure);
691 Channel::Channel(struct sr_channel *structure) :
692 ParentOwned(structure),
693 _type(ChannelType::get(_structure->type))
701 string Channel::name()
703 return valid_string(_structure->name);
706 void Channel::set_name(string name)
708 check(sr_dev_channel_name_set(_structure, name.c_str()));
711 const ChannelType *Channel::type()
713 return ChannelType::get(_structure->type);
716 bool Channel::enabled()
718 return _structure->enabled;
721 void Channel::set_enabled(bool value)
723 check(sr_dev_channel_enable(_structure, value));
726 unsigned int Channel::index()
728 return _structure->index;
731 ChannelGroup::ChannelGroup(Device *device,
732 struct sr_channel_group *structure) :
733 ParentOwned(structure),
734 Configurable(sr_dev_inst_driver_get(device->_structure), device->_structure, structure)
736 for (GSList *entry = structure->channels; entry; entry = entry->next)
737 _channels.push_back(device->_channels[(struct sr_channel *)entry->data]);
740 ChannelGroup::~ChannelGroup()
744 string ChannelGroup::name()
746 return valid_string(_structure->name);
749 vector<shared_ptr<Channel>> ChannelGroup::channels()
751 vector<shared_ptr<Channel>> result;
752 for (auto channel : _channels)
753 result.push_back(channel->get_shared_pointer(_parent));
757 Trigger::Trigger(shared_ptr<Context> context, string name) :
758 UserOwned(sr_trigger_new(name.c_str())),
761 for (auto stage = _structure->stages; stage; stage = stage->next)
763 new TriggerStage((struct sr_trigger_stage *) stage->data));
768 for (auto stage: _stages)
771 sr_trigger_free(_structure);
774 string Trigger::name()
776 return _structure->name;
779 vector<shared_ptr<TriggerStage>> Trigger::stages()
781 vector<shared_ptr<TriggerStage>> result;
782 for (auto stage : _stages)
783 result.push_back(stage->get_shared_pointer(this));
787 shared_ptr<TriggerStage> Trigger::add_stage()
789 auto stage = new TriggerStage(sr_trigger_stage_add(_structure));
790 _stages.push_back(stage);
791 return stage->get_shared_pointer(this);
794 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
795 ParentOwned(structure)
799 TriggerStage::~TriggerStage()
801 for (auto match : _matches)
805 int TriggerStage::number()
807 return _structure->stage;
810 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
812 vector<shared_ptr<TriggerMatch>> result;
813 for (auto match : _matches)
814 result.push_back(match->get_shared_pointer(this));
818 void TriggerStage::add_match(shared_ptr<Channel> channel,
819 const TriggerMatchType *type, float value)
821 check(sr_trigger_match_add(_structure,
822 channel->_structure, type->id(), value));
823 _matches.push_back(new TriggerMatch(
824 (struct sr_trigger_match *) g_slist_last(
825 _structure->matches)->data, channel));
828 void TriggerStage::add_match(shared_ptr<Channel> channel,
829 const TriggerMatchType *type)
831 add_match(channel, type, NAN);
834 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
835 shared_ptr<Channel> channel) :
836 ParentOwned(structure),
841 TriggerMatch::~TriggerMatch()
845 shared_ptr<Channel> TriggerMatch::channel()
850 const TriggerMatchType *TriggerMatch::type()
852 return TriggerMatchType::get(_structure->match);
855 float TriggerMatch::value()
857 return _structure->value;
860 DatafeedCallbackData::DatafeedCallbackData(Session *session,
861 DatafeedCallbackFunction callback) :
867 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
868 const struct sr_datafeed_packet *pkt)
870 auto device = _session->get_device(sdi);
871 auto packet = shared_ptr<Packet>(new Packet(device, pkt), Packet::Deleter());
872 _callback(device, packet);
875 SourceCallbackData::SourceCallbackData(shared_ptr<EventSource> source) :
880 bool SourceCallbackData::run(int revents)
882 return _source->_callback((Glib::IOCondition) revents);
885 shared_ptr<EventSource> EventSource::create(int fd, Glib::IOCondition events,
886 int timeout, SourceCallbackFunction callback)
888 auto result = new EventSource(timeout, callback);
889 result->_type = EventSource::SOURCE_FD;
891 result->_events = events;
892 return shared_ptr<EventSource>(result, EventSource::Deleter());
895 shared_ptr<EventSource> EventSource::create(Glib::PollFD pollfd, int timeout,
896 SourceCallbackFunction callback)
898 auto result = new EventSource(timeout, callback);
899 result->_type = EventSource::SOURCE_POLLFD;
900 result->_pollfd = pollfd;
901 return shared_ptr<EventSource>(result, EventSource::Deleter());
904 shared_ptr<EventSource> EventSource::create(Glib::RefPtr<Glib::IOChannel> channel,
905 Glib::IOCondition events, int timeout, SourceCallbackFunction callback)
907 auto result = new EventSource(timeout, callback);
908 result->_type = EventSource::SOURCE_IOCHANNEL;
909 result->_channel = channel;
910 result->_events = events;
911 return shared_ptr<EventSource>(result, EventSource::Deleter());
914 EventSource::EventSource(int timeout, SourceCallbackFunction callback) :
920 EventSource::~EventSource()
924 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
925 ParentOwned(structure),
930 SessionDevice::~SessionDevice()
934 shared_ptr<Device> SessionDevice::get_shared_from_this()
936 return static_pointer_cast<Device>(shared_from_this());
939 Session::Session(shared_ptr<Context> context) :
940 UserOwned(_structure),
943 check(sr_session_new(context->_structure, &_structure));
944 _context->_session = this;
947 Session::Session(shared_ptr<Context> context, string filename) :
948 UserOwned(_structure),
952 check(sr_session_load(context->_structure, filename.c_str(), &_structure));
954 check(sr_session_dev_list(_structure, &dev_list));
955 for (GSList *dev = dev_list; dev; dev = dev->next)
957 auto sdi = (struct sr_dev_inst *) dev->data;
958 _owned_devices[sdi] = new SessionDevice(sdi);
960 _context->_session = this;
965 check(sr_session_destroy(_structure));
967 for (auto callback : _datafeed_callbacks)
970 for (auto entry : _source_callbacks)
973 for (auto entry : _owned_devices)
977 shared_ptr<Device> Session::get_device(const struct sr_dev_inst *sdi)
979 if (_owned_devices.count(sdi))
980 return static_pointer_cast<Device>(
981 _owned_devices[sdi]->get_shared_pointer(this));
982 else if (_other_devices.count(sdi))
983 return _other_devices[sdi];
985 throw Error(SR_ERR_BUG);
988 void Session::add_device(shared_ptr<Device> device)
990 check(sr_session_dev_add(_structure, device->_structure));
991 _other_devices[device->_structure] = device;
994 vector<shared_ptr<Device>> Session::devices()
997 check(sr_session_dev_list(_structure, &dev_list));
998 vector<shared_ptr<Device>> result;
999 for (GSList *dev = dev_list; dev; dev = dev->next)
1001 auto sdi = (struct sr_dev_inst *) dev->data;
1002 result.push_back(get_device(sdi));
1007 void Session::remove_devices()
1009 _other_devices.clear();
1010 check(sr_session_dev_remove_all(_structure));
1013 void Session::start()
1015 check(sr_session_start(_structure));
1020 check(sr_session_run(_structure));
1023 void Session::stop()
1025 check(sr_session_stop(_structure));
1028 bool Session::is_running() const
1030 const int ret = sr_session_is_running(_structure);
1036 static void session_stopped_callback(void *data)
1038 auto *const callback = static_cast<SessionStoppedCallback*>(data);
1042 void Session::set_stopped_callback(SessionStoppedCallback callback)
1044 _stopped_callback = move(callback);
1045 if (_stopped_callback)
1046 check(sr_session_stopped_callback_set(_structure,
1047 &session_stopped_callback, &_stopped_callback));
1049 check(sr_session_stopped_callback_set(_structure,
1053 static void datafeed_callback(const struct sr_dev_inst *sdi,
1054 const struct sr_datafeed_packet *pkt, void *cb_data)
1056 auto callback = static_cast<DatafeedCallbackData *>(cb_data);
1057 callback->run(sdi, pkt);
1060 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
1062 auto cb_data = new DatafeedCallbackData(this, callback);
1063 check(sr_session_datafeed_callback_add(_structure,
1064 datafeed_callback, cb_data));
1065 _datafeed_callbacks.push_back(cb_data);
1068 void Session::remove_datafeed_callbacks(void)
1070 check(sr_session_datafeed_callback_remove_all(_structure));
1071 for (auto callback : _datafeed_callbacks)
1073 _datafeed_callbacks.clear();
1076 static int source_callback(int fd, int revents, void *cb_data)
1079 auto callback = (SourceCallbackData *) cb_data;
1080 return callback->run(revents);
1083 void Session::add_source(shared_ptr<EventSource> source)
1085 if (_source_callbacks.count(source) == 1)
1086 throw Error(SR_ERR_ARG);
1088 auto cb_data = new SourceCallbackData(source);
1090 switch (source->_type)
1092 case EventSource::SOURCE_FD:
1093 check(sr_session_source_add(_structure, source->_fd, source->_events,
1094 source->_timeout, source_callback, cb_data));
1096 case EventSource::SOURCE_POLLFD:
1097 check(sr_session_source_add_pollfd(_structure,
1098 source->_pollfd.gobj(), source->_timeout, source_callback,
1101 case EventSource::SOURCE_IOCHANNEL:
1102 check(sr_session_source_add_channel(_structure,
1103 source->_channel->gobj(), source->_events, source->_timeout,
1104 source_callback, cb_data));
1108 _source_callbacks[source] = cb_data;
1111 void Session::remove_source(shared_ptr<EventSource> source)
1113 if (_source_callbacks.count(source) == 0)
1114 throw Error(SR_ERR_ARG);
1116 switch (source->_type)
1118 case EventSource::SOURCE_FD:
1119 check(sr_session_source_remove(_structure, source->_fd));
1121 case EventSource::SOURCE_POLLFD:
1122 check(sr_session_source_remove_pollfd(_structure,
1123 source->_pollfd.gobj()));
1125 case EventSource::SOURCE_IOCHANNEL:
1126 check(sr_session_source_remove_channel(_structure,
1127 source->_channel->gobj()));
1131 delete _source_callbacks[source];
1133 _source_callbacks.erase(source);
1136 shared_ptr<Trigger> Session::trigger()
1141 void Session::set_trigger(shared_ptr<Trigger> trigger)
1144 // Set NULL trigger, i.e. remove any trigger from the session.
1145 check(sr_session_trigger_set(_structure, NULL));
1147 check(sr_session_trigger_set(_structure, trigger->_structure));
1151 string Session::filename()
1156 shared_ptr<Context> Session::context()
1161 Packet::Packet(shared_ptr<Device> device,
1162 const struct sr_datafeed_packet *structure) :
1163 UserOwned(structure),
1166 switch (structure->type)
1169 _payload = new Header(
1170 static_cast<const struct sr_datafeed_header *>(
1171 structure->payload));
1174 _payload = new Meta(
1175 static_cast<const struct sr_datafeed_meta *>(
1176 structure->payload));
1179 _payload = new Logic(
1180 static_cast<const struct sr_datafeed_logic *>(
1181 structure->payload));
1184 _payload = new Analog(
1185 static_cast<const struct sr_datafeed_analog *>(
1186 structure->payload));
1200 const PacketType *Packet::type()
1202 return PacketType::get(_structure->type);
1205 shared_ptr<PacketPayload> Packet::payload()
1208 return _payload->get_shared_pointer(this);
1210 throw Error(SR_ERR_NA);
1213 PacketPayload::PacketPayload()
1217 PacketPayload::~PacketPayload()
1221 Header::Header(const struct sr_datafeed_header *structure) :
1222 ParentOwned(structure),
1231 shared_ptr<PacketPayload> Header::get_shared_pointer(Packet *_parent)
1233 return static_pointer_cast<PacketPayload>(
1234 ParentOwned::get_shared_pointer(_parent));
1237 int Header::feed_version()
1239 return _structure->feed_version;
1242 Glib::TimeVal Header::start_time()
1244 return Glib::TimeVal(
1245 _structure->starttime.tv_sec,
1246 _structure->starttime.tv_usec);
1249 Meta::Meta(const struct sr_datafeed_meta *structure) :
1250 ParentOwned(structure),
1259 shared_ptr<PacketPayload> Meta::get_shared_pointer(Packet *_parent)
1261 return static_pointer_cast<PacketPayload>(
1262 ParentOwned::get_shared_pointer(_parent));
1265 map<const ConfigKey *, Glib::VariantBase> Meta::config()
1267 map<const ConfigKey *, Glib::VariantBase> result;
1268 for (auto l = _structure->config; l; l = l->next)
1270 auto config = (struct sr_config *) l->data;
1271 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data);
1276 Logic::Logic(const struct sr_datafeed_logic *structure) :
1277 ParentOwned(structure),
1286 shared_ptr<PacketPayload> Logic::get_shared_pointer(Packet *_parent)
1288 return static_pointer_cast<PacketPayload>(
1289 ParentOwned::get_shared_pointer(_parent));
1292 void *Logic::data_pointer()
1294 return _structure->data;
1297 size_t Logic::data_length()
1299 return _structure->length;
1302 unsigned int Logic::unit_size()
1304 return _structure->unitsize;
1307 Analog::Analog(const struct sr_datafeed_analog *structure) :
1308 ParentOwned(structure),
1317 shared_ptr<PacketPayload> Analog::get_shared_pointer(Packet *_parent)
1319 return static_pointer_cast<PacketPayload>(
1320 ParentOwned::get_shared_pointer(_parent));
1323 float *Analog::data_pointer()
1325 return _structure->data;
1328 unsigned int Analog::num_samples()
1330 return _structure->num_samples;
1333 vector<shared_ptr<Channel>> Analog::channels()
1335 vector<shared_ptr<Channel>> result;
1336 for (auto l = _structure->channels; l; l = l->next)
1337 result.push_back(_parent->_device->get_channel(
1338 (struct sr_channel *)l->data));
1342 const Quantity *Analog::mq()
1344 return Quantity::get(_structure->mq);
1347 const Unit *Analog::unit()
1349 return Unit::get(_structure->unit);
1352 vector<const QuantityFlag *> Analog::mq_flags()
1354 return QuantityFlag::flags_from_mask(_structure->mqflags);
1357 InputFormat::InputFormat(const struct sr_input_module *structure) :
1358 ParentOwned(structure)
1362 InputFormat::~InputFormat()
1366 string InputFormat::name()
1368 return valid_string(sr_input_id_get(_structure));
1371 string InputFormat::description()
1373 return valid_string(sr_input_description_get(_structure));
1376 vector<string> InputFormat::extensions()
1378 vector<string> exts;
1379 for (const char *const *e = sr_input_extensions_get(_structure);
1385 map<string, shared_ptr<Option>> InputFormat::options()
1387 const struct sr_option **options = sr_input_options_get(_structure);
1388 map<string, shared_ptr<Option>> result;
1391 auto option_array = shared_ptr<const struct sr_option *>(
1392 options, sr_input_options_free);
1393 for (int i = 0; options[i]; i++)
1394 result[options[i]->id] = shared_ptr<Option>(
1395 new Option(options[i], option_array), Option::Deleter());
1400 shared_ptr<Input> InputFormat::create_input(
1401 map<string, Glib::VariantBase> options)
1403 auto input = sr_input_new(_structure, map_to_hash_variant(options));
1405 throw Error(SR_ERR_ARG);
1406 return shared_ptr<Input>(
1407 new Input(_parent->shared_from_this(), input), Input::Deleter());
1410 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1411 UserOwned(structure),
1417 shared_ptr<InputDevice> Input::device()
1421 auto sdi = sr_input_dev_inst_get(_structure);
1423 throw Error(SR_ERR_NA);
1424 _device = new InputDevice(shared_from_this(), sdi);
1427 return _device->get_shared_pointer(shared_from_this());
1430 void Input::send(void *data, size_t length)
1432 auto gstr = g_string_new_len((gchar *)data, length);
1433 auto ret = sr_input_send(_structure, gstr);
1434 g_string_free(gstr, false);
1440 check(sr_input_end(_structure));
1447 sr_input_free(_structure);
1450 InputDevice::InputDevice(shared_ptr<Input> input,
1451 struct sr_dev_inst *structure) :
1452 ParentOwned(structure),
1458 InputDevice::~InputDevice()
1462 shared_ptr<Device> InputDevice::get_shared_from_this()
1464 return static_pointer_cast<Device>(shared_from_this());
1467 Option::Option(const struct sr_option *structure,
1468 shared_ptr<const struct sr_option *> structure_array) :
1469 UserOwned(structure),
1470 _structure_array(structure_array)
1480 return valid_string(_structure->id);
1483 string Option::name()
1485 return valid_string(_structure->name);
1488 string Option::description()
1490 return valid_string(_structure->desc);
1493 Glib::VariantBase Option::default_value()
1495 return Glib::VariantBase(_structure->def, true);
1498 vector<Glib::VariantBase> Option::values()
1500 vector<Glib::VariantBase> result;
1501 for (auto l = _structure->values; l; l = l->next)
1502 result.push_back(Glib::VariantBase((GVariant *) l->data, true));
1506 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1507 ParentOwned(structure)
1511 OutputFormat::~OutputFormat()
1515 string OutputFormat::name()
1517 return valid_string(sr_output_id_get(_structure));
1520 string OutputFormat::description()
1522 return valid_string(sr_output_description_get(_structure));
1525 vector<string> OutputFormat::extensions()
1527 vector<string> exts;
1528 for (const char *const *e = sr_output_extensions_get(_structure);
1534 map<string, shared_ptr<Option>> OutputFormat::options()
1536 const struct sr_option **options = sr_output_options_get(_structure);
1537 map<string, shared_ptr<Option>> result;
1540 auto option_array = shared_ptr<const struct sr_option *>(
1541 options, sr_output_options_free);
1542 for (int i = 0; options[i]; i++)
1543 result[options[i]->id] = shared_ptr<Option>(
1544 new Option(options[i], option_array), Option::Deleter());
1549 shared_ptr<Output> OutputFormat::create_output(
1550 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1552 return shared_ptr<Output>(
1553 new Output(shared_from_this(), device, options),
1557 shared_ptr<Output> OutputFormat::create_output(string filename,
1558 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1560 return shared_ptr<Output>(
1561 new Output(filename, shared_from_this(), device, options),
1565 bool OutputFormat::test_flag(const OutputFlag *flag)
1567 return sr_output_test_flag(_structure, flag->id());
1570 Output::Output(shared_ptr<OutputFormat> format,
1571 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1572 UserOwned(sr_output_new(format->_structure,
1573 map_to_hash_variant(options), device->_structure, NULL)),
1580 Output::Output(string filename, shared_ptr<OutputFormat> format,
1581 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1582 UserOwned(sr_output_new(format->_structure,
1583 map_to_hash_variant(options), device->_structure, filename.c_str())),
1592 check(sr_output_free(_structure));
1595 string Output::receive(shared_ptr<Packet> packet)
1598 check(sr_output_send(_structure, packet->_structure, &out));
1601 auto result = string(out->str, out->str + out->len);
1602 g_string_free(out, true);
1611 #include <enums.cpp>