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 *const output = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
51 reinterpret_cast<GDestroyNotify>(&g_variant_unref));
52 for (const auto &entry : input)
53 g_hash_table_insert(output,
54 g_strdup(entry.first.c_str()),
55 entry.second.gobj_copy());
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 gssize 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{}, default_delete<Context>{}};
126 check(sr_init(&_structure));
128 if (struct sr_dev_driver **driver_list = sr_driver_list(_structure))
129 for (int i = 0; driver_list[i]; i++) {
130 unique_ptr<Driver> driver {new Driver{driver_list[i]}};
131 _drivers.insert(make_pair(driver->name(), move(driver)));
134 if (const struct sr_input_module **input_list = sr_input_list())
135 for (int i = 0; input_list[i]; i++) {
136 unique_ptr<InputFormat> input {new InputFormat{input_list[i]}};
137 _input_formats.insert(make_pair(input->name(), move(input)));
140 if (const struct sr_output_module **output_list = sr_output_list())
141 for (int i = 0; output_list[i]; i++) {
142 unique_ptr<OutputFormat> output {new OutputFormat{output_list[i]}};
143 _output_formats.insert(make_pair(output->name(), move(output)));
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 (const auto &entry: _drivers)
162 const auto &name = entry.first;
163 const auto &driver = entry.second;
164 result.insert({name, driver->share_owned_by(shared_from_this())});
169 map<string, shared_ptr<InputFormat>> Context::input_formats()
171 map<string, shared_ptr<InputFormat>> result;
172 for (const auto &entry: _input_formats)
174 const auto &name = entry.first;
175 const auto &input_format = entry.second;
176 result.insert({name, input_format->share_owned_by(shared_from_this())});
181 map<string, shared_ptr<OutputFormat>> Context::output_formats()
183 map<string, shared_ptr<OutputFormat>> result;
184 for (const auto &entry: _output_formats)
186 const auto &name = entry.first;
187 const auto &output_format = entry.second;
188 result.insert({name, output_format->share_owned_by(shared_from_this())});
195 check(sr_exit(_structure));
198 const LogLevel *Context::log_level() const
200 return LogLevel::get(sr_log_loglevel_get());
203 void Context::set_log_level(const LogLevel *level)
205 check(sr_log_loglevel_set(level->id()));
208 static int call_log_callback(void *cb_data, int loglevel,
209 const char *format, va_list args) noexcept
211 const unique_ptr<char, decltype(&g_free)>
212 message {g_strdup_vprintf(format, args), &g_free};
214 auto *const callback = static_cast<LogCallbackFunction *>(cb_data);
218 (*callback)(LogLevel::get(loglevel), message.get());
228 void Context::set_log_callback(LogCallbackFunction callback)
230 _log_callback = move(callback);
231 check(sr_log_callback_set(call_log_callback, &_log_callback));
234 void Context::set_log_callback_default()
236 check(sr_log_callback_set_default());
237 _log_callback = nullptr;
240 void Context::set_resource_reader(ResourceReader *reader)
243 check(sr_resource_set_hooks(_structure,
244 &ResourceReader::open_callback,
245 &ResourceReader::close_callback,
246 &ResourceReader::read_callback, reader));
248 check(sr_resource_set_hooks(_structure,
249 nullptr, nullptr, nullptr, nullptr));
253 shared_ptr<Session> Context::create_session()
255 return shared_ptr<Session>{new Session{shared_from_this()},
256 default_delete<Session>{}};
259 shared_ptr<UserDevice> Context::create_user_device(
260 string vendor, string model, string version)
262 return shared_ptr<UserDevice>{
263 new UserDevice{move(vendor), move(model), move(version)},
264 default_delete<UserDevice>{}};
267 shared_ptr<Packet> Context::create_header_packet(Glib::TimeVal start_time)
269 auto header = g_new(struct sr_datafeed_header, 1);
270 header->feed_version = 1;
271 header->starttime.tv_sec = start_time.tv_sec;
272 header->starttime.tv_usec = start_time.tv_usec;
273 auto packet = g_new(struct sr_datafeed_packet, 1);
274 packet->type = SR_DF_HEADER;
275 packet->payload = header;
276 return shared_ptr<Packet>{new Packet{nullptr, packet},
277 default_delete<Packet>{}};
280 shared_ptr<Packet> Context::create_meta_packet(
281 map<const ConfigKey *, Glib::VariantBase> config)
283 auto meta = g_new0(struct sr_datafeed_meta, 1);
284 for (const auto &input : config)
286 const auto &key = input.first;
287 const auto &value = input.second;
288 auto *const output = g_new(struct sr_config, 1);
289 output->key = key->id();
290 output->data = value.gobj_copy();
291 meta->config = g_slist_append(meta->config, output);
293 auto packet = g_new(struct sr_datafeed_packet, 1);
294 packet->type = SR_DF_META;
295 packet->payload = meta;
296 return shared_ptr<Packet>{new Packet{nullptr, packet},
297 default_delete<Packet>{}};
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}, default_delete<Packet>{}};
313 shared_ptr<Packet> Context::create_analog_packet(
314 vector<shared_ptr<Channel> > channels,
315 float *data_pointer, unsigned int num_samples, const Quantity *mq,
316 const Unit *unit, vector<const QuantityFlag *> mqflags)
318 auto analog = g_new0(struct sr_datafeed_analog, 1);
319 auto meaning = g_new0(struct sr_analog_meaning, 1);
320 auto encoding = g_new0(struct sr_analog_encoding, 1);
321 auto spec = g_new0(struct sr_analog_spec, 1);
323 analog->meaning = meaning;
325 for (const auto &channel : channels)
326 meaning->channels = g_slist_append(meaning->channels, channel->_structure);
327 meaning->mq = static_cast<sr_mq>(mq->id());
328 meaning->unit = static_cast<sr_unit>(unit->id());
329 meaning->mqflags = static_cast<sr_mqflag>(QuantityFlag::mask_from_flags(move(mqflags)));
331 analog->encoding = encoding;
333 encoding->unitsize = sizeof(float);
334 encoding->is_signed = TRUE;
335 encoding->is_float = TRUE;
336 #ifdef WORDS_BIGENDIAN
337 encoding->is_bigendian = TRUE;
339 encoding->is_bigendian = FALSE;
341 encoding->digits = 0;
342 encoding->is_digits_decimal = FALSE;
343 encoding->scale.p = 1;
344 encoding->scale.q = 1;
345 encoding->offset.p = 0;
346 encoding->offset.q = 1;
350 spec->spec_digits = 0;
352 analog->num_samples = num_samples;
353 analog->data = data_pointer;
354 auto packet = g_new(struct sr_datafeed_packet, 1);
355 packet->type = SR_DF_ANALOG;
356 packet->payload = analog;
357 return shared_ptr<Packet>{new Packet{nullptr, packet}, default_delete<Packet>{}};
360 shared_ptr<Session> Context::load_session(string filename)
362 return shared_ptr<Session>{
363 new Session{shared_from_this(), move(filename)},
364 default_delete<Session>{}};
367 shared_ptr<Trigger> Context::create_trigger(string name)
369 return shared_ptr<Trigger>{
370 new Trigger{shared_from_this(), move(name)},
371 default_delete<Trigger>{}};
374 shared_ptr<Input> Context::open_file(string filename)
376 const struct sr_input *input;
378 check(sr_input_scan_file(filename.c_str(), &input));
379 return shared_ptr<Input>{
380 new Input{shared_from_this(), input},
381 default_delete<Input>{}};
384 shared_ptr<Input> Context::open_stream(string header)
386 const struct sr_input *input;
388 auto gstr = g_string_new(header.c_str());
389 auto ret = sr_input_scan_buffer(gstr, &input);
390 g_string_free(gstr, true);
392 return shared_ptr<Input>{
393 new Input{shared_from_this(), input},
394 default_delete<Input>{}};
397 map<string, string> Context::serials(shared_ptr<Driver> driver) const
399 GSList *serial_list = sr_serial_list(driver ? driver->_structure : nullptr);
400 map<string, string> serials;
402 for (GSList *serial = serial_list; serial; serial = serial->next) {
403 auto *const port = static_cast<sr_serial_port *>(serial->data);
404 serials[string(port->name)] = string(port->description);
407 g_slist_free_full(serial_list,
408 reinterpret_cast<GDestroyNotify>(&sr_serial_free));
412 Driver::Driver(struct sr_dev_driver *structure) :
413 Configurable(structure, nullptr, nullptr),
414 _structure(structure),
423 string Driver::name() const
425 return valid_string(_structure->name);
428 string Driver::long_name() const
430 return valid_string(_structure->longname);
433 set<const ConfigKey *> Driver::scan_options() const
435 GArray *opts = sr_driver_scan_options_list(_structure);
436 set<const ConfigKey *> result;
438 for (guint i = 0; i < opts->len; i++)
439 result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
440 g_array_free(opts, TRUE);
445 vector<shared_ptr<HardwareDevice>> Driver::scan(
446 map<const ConfigKey *, Glib::VariantBase> options)
448 /* Initialise the driver if not yet done. */
451 check(sr_driver_init(_parent->_structure, _structure));
455 /* Translate scan options to GSList of struct sr_config pointers. */
456 GSList *option_list = nullptr;
457 for (const auto &entry : options)
459 const auto &key = entry.first;
460 const auto &value = entry.second;
461 auto *const config = g_new(struct sr_config, 1);
462 config->key = key->id();
463 config->data = const_cast<GVariant*>(value.gobj());
464 option_list = g_slist_append(option_list, config);
468 GSList *device_list = sr_driver_scan(_structure, option_list);
470 /* Free option list. */
471 g_slist_free_full(option_list, g_free);
474 /* Create device objects. */
475 vector<shared_ptr<HardwareDevice>> result;
476 for (GSList *device = device_list; device; device = device->next)
478 auto *const sdi = static_cast<struct sr_dev_inst *>(device->data);
479 shared_ptr<HardwareDevice> hwdev {
480 new HardwareDevice{shared_from_this(), sdi},
481 default_delete<HardwareDevice>{}};
482 result.push_back(move(hwdev));
485 /* Free GSList returned from scan. */
486 g_slist_free(device_list);
491 Configurable::Configurable(
492 struct sr_dev_driver *driver,
493 struct sr_dev_inst *sdi,
494 struct sr_channel_group *cg) :
495 config_driver(driver),
497 config_channel_group(cg)
501 Configurable::~Configurable()
505 set<const ConfigKey *> Configurable::config_keys() const
508 set<const ConfigKey *> result;
510 opts = sr_dev_options(config_driver, config_sdi, config_channel_group);
513 for (guint i = 0; i < opts->len; i++)
514 result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
515 g_array_free(opts, TRUE);
521 Glib::VariantBase Configurable::config_get(const ConfigKey *key) const
525 config_driver, config_sdi, config_channel_group,
527 return Glib::VariantBase(data);
530 void Configurable::config_set(const ConfigKey *key, const Glib::VariantBase &value)
533 config_sdi, config_channel_group,
534 key->id(), const_cast<GVariant*>(value.gobj())));
537 set<const Capability *> Configurable::config_capabilities(const ConfigKey *key) const
539 int caps = sr_dev_config_capabilities_list(config_sdi,
540 config_channel_group, key->id());
542 set<const Capability *> result;
544 for (auto cap: Capability::values())
545 if (caps & cap->id())
551 bool Configurable::config_check(const ConfigKey *key,
552 const Capability *capability) const
554 int caps = sr_dev_config_capabilities_list(config_sdi,
555 config_channel_group, key->id());
557 return (caps & capability->id());
560 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key) const
563 check(sr_config_list(
564 config_driver, config_sdi, config_channel_group,
566 return Glib::VariantContainerBase(data);
569 Device::Device(struct sr_dev_inst *structure) :
570 Configurable(sr_dev_inst_driver_get(structure), structure, nullptr),
571 _structure(structure)
573 for (GSList *entry = sr_dev_inst_channels_get(structure); entry; entry = entry->next)
575 auto *const ch = static_cast<struct sr_channel *>(entry->data);
576 unique_ptr<Channel> channel {new Channel{ch}};
577 _channels.insert(make_pair(ch, move(channel)));
580 for (GSList *entry = sr_dev_inst_channel_groups_get(structure); entry; entry = entry->next)
582 auto *const cg = static_cast<struct sr_channel_group *>(entry->data);
583 unique_ptr<ChannelGroup> group {new ChannelGroup{this, cg}};
584 _channel_groups.insert(make_pair(group->name(), move(group)));
591 string Device::vendor() const
593 return valid_string(sr_dev_inst_vendor_get(_structure));
596 string Device::model() const
598 return valid_string(sr_dev_inst_model_get(_structure));
601 string Device::version() const
603 return valid_string(sr_dev_inst_version_get(_structure));
606 string Device::serial_number() const
608 return valid_string(sr_dev_inst_sernum_get(_structure));
611 string Device::connection_id() const
613 return valid_string(sr_dev_inst_connid_get(_structure));
616 vector<shared_ptr<Channel>> Device::channels()
618 vector<shared_ptr<Channel>> result;
619 for (auto channel = sr_dev_inst_channels_get(_structure); channel; channel = channel->next) {
620 auto *const ch = static_cast<struct sr_channel *>(channel->data);
621 result.push_back(_channels[ch]->share_owned_by(get_shared_from_this()));
626 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
628 return _channels[ptr]->share_owned_by(get_shared_from_this());
631 map<string, shared_ptr<ChannelGroup>>
632 Device::channel_groups()
634 map<string, shared_ptr<ChannelGroup>> result;
635 for (const auto &entry: _channel_groups)
637 const auto &name = entry.first;
638 const auto &channel_group = entry.second;
639 result.insert({name, channel_group->share_owned_by(get_shared_from_this())});
646 check(sr_dev_open(_structure));
651 check(sr_dev_close(_structure));
654 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
655 struct sr_dev_inst *structure) :
657 _driver(move(driver))
661 HardwareDevice::~HardwareDevice()
665 shared_ptr<Device> HardwareDevice::get_shared_from_this()
667 return static_pointer_cast<Device>(shared_from_this());
670 shared_ptr<Driver> HardwareDevice::driver()
675 UserDevice::UserDevice(string vendor, string model, string version) :
676 Device(sr_dev_inst_user_new(
677 vendor.c_str(), model.c_str(), version.c_str()))
681 UserDevice::~UserDevice()
685 shared_ptr<Device> UserDevice::get_shared_from_this()
687 return static_pointer_cast<Device>(shared_from_this());
690 shared_ptr<Channel> UserDevice::add_channel(unsigned int index,
691 const ChannelType *type, string name)
693 check(sr_dev_inst_channel_add(Device::_structure,
694 index, type->id(), name.c_str()));
695 GSList *const last = g_slist_last(sr_dev_inst_channels_get(Device::_structure));
696 auto *const ch = static_cast<struct sr_channel *>(last->data);
697 unique_ptr<Channel> channel {new Channel{ch}};
698 _channels.insert(make_pair(ch, move(channel)));
699 return get_channel(ch);
702 Channel::Channel(struct sr_channel *structure) :
703 _structure(structure),
704 _type(ChannelType::get(_structure->type))
712 string Channel::name() const
714 return valid_string(_structure->name);
717 void Channel::set_name(string name)
719 check(sr_dev_channel_name_set(_structure, name.c_str()));
722 const ChannelType *Channel::type() const
724 return ChannelType::get(_structure->type);
727 bool Channel::enabled() const
729 return _structure->enabled;
732 void Channel::set_enabled(bool value)
734 check(sr_dev_channel_enable(_structure, value));
737 unsigned int Channel::index() const
739 return _structure->index;
742 ChannelGroup::ChannelGroup(const Device *device,
743 struct sr_channel_group *structure) :
744 Configurable(sr_dev_inst_driver_get(device->_structure), device->_structure, structure)
746 for (GSList *entry = config_channel_group->channels; entry; entry = entry->next) {
747 auto *const ch = static_cast<struct sr_channel *>(entry->data);
748 /* Note: This relies on Device::_channels to keep the Channel
749 * objects around over the lifetime of the ChannelGroup. */
750 _channels.push_back(device->_channels.find(ch)->second.get());
754 ChannelGroup::~ChannelGroup()
758 string ChannelGroup::name() const
760 return valid_string(config_channel_group->name);
763 vector<shared_ptr<Channel>> ChannelGroup::channels()
765 vector<shared_ptr<Channel>> result;
766 for (const auto &channel : _channels)
767 result.push_back(channel->share_owned_by(_parent));
771 Trigger::Trigger(shared_ptr<Context> context, string name) :
772 _structure(sr_trigger_new(name.c_str())),
773 _context(move(context))
775 for (auto *stage = _structure->stages; stage; stage = stage->next) {
776 unique_ptr<TriggerStage> ts {new TriggerStage{
777 static_cast<struct sr_trigger_stage *>(stage->data)}};
778 _stages.push_back(move(ts));
784 sr_trigger_free(_structure);
787 string Trigger::name() const
789 return _structure->name;
792 vector<shared_ptr<TriggerStage>> Trigger::stages()
794 vector<shared_ptr<TriggerStage>> result;
795 for (const auto &stage : _stages)
796 result.push_back(stage->share_owned_by(shared_from_this()));
800 shared_ptr<TriggerStage> Trigger::add_stage()
802 unique_ptr<TriggerStage> stage {new TriggerStage{sr_trigger_stage_add(_structure)}};
803 _stages.push_back(move(stage));
804 return _stages.back()->share_owned_by(shared_from_this());
807 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
808 _structure(structure)
812 TriggerStage::~TriggerStage()
816 int TriggerStage::number() const
818 return _structure->stage;
821 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
823 vector<shared_ptr<TriggerMatch>> result;
824 for (const auto &match : _matches)
825 result.push_back(match->share_owned_by(shared_from_this()));
829 void TriggerStage::add_match(shared_ptr<Channel> channel,
830 const TriggerMatchType *type, float value)
832 check(sr_trigger_match_add(_structure,
833 channel->_structure, type->id(), value));
834 GSList *const last = g_slist_last(_structure->matches);
835 unique_ptr<TriggerMatch> match {new TriggerMatch{
836 static_cast<struct sr_trigger_match *>(last->data),
838 _matches.push_back(move(match));
841 void TriggerStage::add_match(shared_ptr<Channel> channel,
842 const TriggerMatchType *type)
844 add_match(move(channel), type, NAN);
847 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
848 shared_ptr<Channel> channel) :
849 _structure(structure),
850 _channel(move(channel))
854 TriggerMatch::~TriggerMatch()
858 shared_ptr<Channel> TriggerMatch::channel()
863 const TriggerMatchType *TriggerMatch::type() const
865 return TriggerMatchType::get(_structure->match);
868 float TriggerMatch::value() const
870 return _structure->value;
873 DatafeedCallbackData::DatafeedCallbackData(Session *session,
874 DatafeedCallbackFunction callback) :
875 _callback(move(callback)),
880 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
881 const struct sr_datafeed_packet *pkt)
883 auto device = _session->get_device(sdi);
884 shared_ptr<Packet> packet {new Packet{device, pkt}, default_delete<Packet>{}};
885 _callback(move(device), move(packet));
888 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
893 SessionDevice::~SessionDevice()
897 shared_ptr<Device> SessionDevice::get_shared_from_this()
899 return static_pointer_cast<Device>(shared_from_this());
902 Session::Session(shared_ptr<Context> context) :
904 _context(move(context))
906 check(sr_session_new(_context->_structure, &_structure));
907 _context->_session = this;
910 Session::Session(shared_ptr<Context> context, string filename) :
912 _context(move(context)),
913 _filename(move(filename))
915 check(sr_session_load(_context->_structure, _filename.c_str(), &_structure));
917 check(sr_session_dev_list(_structure, &dev_list));
918 for (GSList *dev = dev_list; dev; dev = dev->next) {
919 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
920 unique_ptr<SessionDevice> device {new SessionDevice{sdi}};
921 _owned_devices.insert(make_pair(sdi, move(device)));
923 _context->_session = this;
928 check(sr_session_destroy(_structure));
931 shared_ptr<Device> Session::get_device(const struct sr_dev_inst *sdi)
933 if (_owned_devices.count(sdi))
934 return static_pointer_cast<Device>(
935 _owned_devices[sdi]->share_owned_by(shared_from_this()));
936 else if (_other_devices.count(sdi))
937 return _other_devices[sdi];
939 throw Error(SR_ERR_BUG);
942 void Session::add_device(shared_ptr<Device> device)
944 const auto dev_struct = device->_structure;
945 check(sr_session_dev_add(_structure, dev_struct));
946 _other_devices[dev_struct] = move(device);
949 vector<shared_ptr<Device>> Session::devices()
952 check(sr_session_dev_list(_structure, &dev_list));
953 vector<shared_ptr<Device>> result;
954 for (GSList *dev = dev_list; dev; dev = dev->next) {
955 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
956 result.push_back(get_device(sdi));
961 void Session::remove_devices()
963 _other_devices.clear();
964 check(sr_session_dev_remove_all(_structure));
967 void Session::start()
969 check(sr_session_start(_structure));
974 check(sr_session_run(_structure));
979 check(sr_session_stop(_structure));
982 bool Session::is_running() const
984 const int ret = sr_session_is_running(_structure);
990 static void session_stopped_callback(void *data) noexcept
992 auto *const callback = static_cast<SessionStoppedCallback*>(data);
996 void Session::set_stopped_callback(SessionStoppedCallback callback)
998 _stopped_callback = move(callback);
999 if (_stopped_callback)
1000 check(sr_session_stopped_callback_set(_structure,
1001 &session_stopped_callback, &_stopped_callback));
1003 check(sr_session_stopped_callback_set(_structure,
1007 static void datafeed_callback(const struct sr_dev_inst *sdi,
1008 const struct sr_datafeed_packet *pkt, void *cb_data) noexcept
1010 auto callback = static_cast<DatafeedCallbackData *>(cb_data);
1011 callback->run(sdi, pkt);
1014 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
1016 unique_ptr<DatafeedCallbackData> cb_data
1017 {new DatafeedCallbackData{this, move(callback)}};
1018 check(sr_session_datafeed_callback_add(_structure,
1019 &datafeed_callback, cb_data.get()));
1020 _datafeed_callbacks.push_back(move(cb_data));
1023 void Session::remove_datafeed_callbacks()
1025 check(sr_session_datafeed_callback_remove_all(_structure));
1026 _datafeed_callbacks.clear();
1029 shared_ptr<Trigger> Session::trigger()
1034 void Session::set_trigger(shared_ptr<Trigger> trigger)
1037 // Set NULL trigger, i.e. remove any trigger from the session.
1038 check(sr_session_trigger_set(_structure, nullptr));
1040 check(sr_session_trigger_set(_structure, trigger->_structure));
1041 _trigger = move(trigger);
1044 string Session::filename() const
1049 shared_ptr<Context> Session::context()
1054 Packet::Packet(shared_ptr<Device> device,
1055 const struct sr_datafeed_packet *structure) :
1056 _structure(structure),
1057 _device(move(device))
1059 switch (structure->type)
1062 _payload.reset(new Header{
1063 static_cast<const struct sr_datafeed_header *>(
1064 structure->payload)});
1067 _payload.reset(new Meta{
1068 static_cast<const struct sr_datafeed_meta *>(
1069 structure->payload)});
1072 _payload.reset(new Logic{
1073 static_cast<const struct sr_datafeed_logic *>(
1074 structure->payload)});
1077 _payload.reset(new Analog{
1078 static_cast<const struct sr_datafeed_analog *>(
1079 structure->payload)});
1088 const PacketType *Packet::type() const
1090 return PacketType::get(_structure->type);
1093 shared_ptr<PacketPayload> Packet::payload()
1096 return _payload->share_owned_by(shared_from_this());
1098 throw Error(SR_ERR_NA);
1101 PacketPayload::PacketPayload()
1105 PacketPayload::~PacketPayload()
1109 Header::Header(const struct sr_datafeed_header *structure) :
1111 _structure(structure)
1119 shared_ptr<PacketPayload> Header::share_owned_by(shared_ptr<Packet> _parent)
1121 return static_pointer_cast<PacketPayload>(
1122 ParentOwned::share_owned_by(_parent));
1125 int Header::feed_version() const
1127 return _structure->feed_version;
1130 Glib::TimeVal Header::start_time() const
1132 return Glib::TimeVal(
1133 _structure->starttime.tv_sec,
1134 _structure->starttime.tv_usec);
1137 Meta::Meta(const struct sr_datafeed_meta *structure) :
1139 _structure(structure)
1147 shared_ptr<PacketPayload> Meta::share_owned_by(shared_ptr<Packet> _parent)
1149 return static_pointer_cast<PacketPayload>(
1150 ParentOwned::share_owned_by(_parent));
1153 map<const ConfigKey *, Glib::VariantBase> Meta::config() const
1155 map<const ConfigKey *, Glib::VariantBase> result;
1156 for (auto l = _structure->config; l; l = l->next) {
1157 auto *const config = static_cast<struct sr_config *>(l->data);
1158 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data, true);
1163 Logic::Logic(const struct sr_datafeed_logic *structure) :
1165 _structure(structure)
1173 shared_ptr<PacketPayload> Logic::share_owned_by(shared_ptr<Packet> _parent)
1175 return static_pointer_cast<PacketPayload>(
1176 ParentOwned::share_owned_by(_parent));
1179 void *Logic::data_pointer()
1181 return _structure->data;
1184 size_t Logic::data_length() const
1186 return _structure->length;
1189 unsigned int Logic::unit_size() const
1191 return _structure->unitsize;
1194 Analog::Analog(const struct sr_datafeed_analog *structure) :
1196 _structure(structure)
1204 shared_ptr<PacketPayload> Analog::share_owned_by(shared_ptr<Packet> _parent)
1206 return static_pointer_cast<PacketPayload>(
1207 ParentOwned::share_owned_by(_parent));
1210 void *Analog::data_pointer()
1212 return _structure->data;
1215 unsigned int Analog::num_samples() const
1217 return _structure->num_samples;
1220 vector<shared_ptr<Channel>> Analog::channels()
1222 vector<shared_ptr<Channel>> result;
1223 for (auto l = _structure->meaning->channels; l; l = l->next) {
1224 auto *const ch = static_cast<struct sr_channel *>(l->data);
1225 result.push_back(_parent->_device->get_channel(ch));
1230 const Quantity *Analog::mq() const
1232 return Quantity::get(_structure->meaning->mq);
1235 const Unit *Analog::unit() const
1237 return Unit::get(_structure->meaning->unit);
1240 vector<const QuantityFlag *> Analog::mq_flags() const
1242 return QuantityFlag::flags_from_mask(_structure->meaning->mqflags);
1245 InputFormat::InputFormat(const struct sr_input_module *structure) :
1246 _structure(structure)
1250 InputFormat::~InputFormat()
1254 string InputFormat::name() const
1256 return valid_string(sr_input_id_get(_structure));
1259 string InputFormat::description() const
1261 return valid_string(sr_input_description_get(_structure));
1264 vector<string> InputFormat::extensions() const
1266 vector<string> exts;
1267 for (const char *const *e = sr_input_extensions_get(_structure);
1273 map<string, shared_ptr<Option>> InputFormat::options()
1275 map<string, shared_ptr<Option>> result;
1277 if (const struct sr_option **options = sr_input_options_get(_structure))
1279 shared_ptr<const struct sr_option *> option_array
1280 {options, &sr_input_options_free};
1281 for (int i = 0; options[i]; i++) {
1282 shared_ptr<Option> opt {
1283 new Option{options[i], option_array},
1284 default_delete<Option>{}};
1285 result.insert({opt->id(), move(opt)});
1291 shared_ptr<Input> InputFormat::create_input(
1292 map<string, Glib::VariantBase> options)
1294 auto input = sr_input_new(_structure, map_to_hash_variant(options));
1296 throw Error(SR_ERR_ARG);
1297 return shared_ptr<Input>{new Input{_parent, input}, default_delete<Input>{}};
1300 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1301 _structure(structure),
1302 _context(move(context))
1306 shared_ptr<InputDevice> Input::device()
1310 auto sdi = sr_input_dev_inst_get(_structure);
1312 throw Error(SR_ERR_NA);
1313 _device.reset(new InputDevice{shared_from_this(), sdi});
1316 return _device->share_owned_by(shared_from_this());
1319 void Input::send(void *data, size_t length)
1321 auto gstr = g_string_new_len(static_cast<char *>(data), length);
1322 auto ret = sr_input_send(_structure, gstr);
1323 g_string_free(gstr, false);
1329 check(sr_input_end(_structure));
1334 check(sr_input_reset(_structure));
1339 sr_input_free(_structure);
1342 InputDevice::InputDevice(shared_ptr<Input> input,
1343 struct sr_dev_inst *structure) :
1349 InputDevice::~InputDevice()
1353 shared_ptr<Device> InputDevice::get_shared_from_this()
1355 return static_pointer_cast<Device>(shared_from_this());
1358 Option::Option(const struct sr_option *structure,
1359 shared_ptr<const struct sr_option *> structure_array) :
1360 _structure(structure),
1361 _structure_array(move(structure_array))
1369 string Option::id() const
1371 return valid_string(_structure->id);
1374 string Option::name() const
1376 return valid_string(_structure->name);
1379 string Option::description() const
1381 return valid_string(_structure->desc);
1384 Glib::VariantBase Option::default_value() const
1386 return Glib::VariantBase(_structure->def, true);
1389 vector<Glib::VariantBase> Option::values() const
1391 vector<Glib::VariantBase> result;
1392 for (auto l = _structure->values; l; l = l->next) {
1393 auto *const var = static_cast<GVariant *>(l->data);
1394 result.push_back(Glib::VariantBase(var, true));
1399 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1400 _structure(structure)
1404 OutputFormat::~OutputFormat()
1408 string OutputFormat::name() const
1410 return valid_string(sr_output_id_get(_structure));
1413 string OutputFormat::description() const
1415 return valid_string(sr_output_description_get(_structure));
1418 vector<string> OutputFormat::extensions() const
1420 vector<string> exts;
1421 for (const char *const *e = sr_output_extensions_get(_structure);
1427 map<string, shared_ptr<Option>> OutputFormat::options()
1429 map<string, shared_ptr<Option>> result;
1431 if (const struct sr_option **options = sr_output_options_get(_structure))
1433 shared_ptr<const struct sr_option *> option_array
1434 {options, &sr_output_options_free};
1435 for (int i = 0; options[i]; i++) {
1436 shared_ptr<Option> opt {
1437 new Option{options[i], option_array},
1438 default_delete<Option>{}};
1439 result.insert({opt->id(), move(opt)});
1445 shared_ptr<Output> OutputFormat::create_output(
1446 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1448 return shared_ptr<Output>{
1449 new Output{shared_from_this(), move(device), move(options)},
1450 default_delete<Output>{}};
1453 shared_ptr<Output> OutputFormat::create_output(string filename,
1454 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1456 return shared_ptr<Output>{
1457 new Output{move(filename), shared_from_this(), move(device), move(options)},
1458 default_delete<Output>{}};
1461 bool OutputFormat::test_flag(const OutputFlag *flag) const
1463 return sr_output_test_flag(_structure, flag->id());
1466 Output::Output(shared_ptr<OutputFormat> format,
1467 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1468 _structure(sr_output_new(format->_structure,
1469 map_to_hash_variant(options), device->_structure, nullptr)),
1470 _format(move(format)),
1471 _device(move(device)),
1472 _options(move(options))
1476 Output::Output(string filename, shared_ptr<OutputFormat> format,
1477 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1478 _structure(sr_output_new(format->_structure,
1479 map_to_hash_variant(options), device->_structure, filename.c_str())),
1480 _format(move(format)),
1481 _device(move(device)),
1482 _options(move(options))
1488 check(sr_output_free(_structure));
1491 string Output::receive(shared_ptr<Packet> packet)
1494 check(sr_output_send(_structure, packet->_structure, &out));
1497 auto result = string(out->str, out->str + out->len);
1498 g_string_free(out, true);
1507 #include <enums.cpp>