#include <cassert>
-#include "storesession.h"
+#ifdef _WIN32
+// Windows: Avoid boost/thread namespace pollution (which includes windows.h).
+#define NOGDI
+#define NORESOURCE
+#endif
+#include <boost/thread/locks.hpp>
+#include <boost/thread/shared_mutex.hpp>
-#include <pv/sigsession.h>
-#include <pv/data/logic.h>
-#include <pv/data/logicsnapshot.h>
-#include <pv/view/signal.h>
+#include "storesession.hpp"
-#include <libsigrok/libsigrok.hpp>
+#include <pv/devicemanager.hpp>
+#include <pv/session.hpp>
+#include <pv/data/logic.hpp>
+#include <pv/data/logicsegment.hpp>
+#include <pv/devices/device.hpp>
+#include <pv/view/signal.hpp>
+
+#include <libsigrokcxx/libsigrokcxx.hpp>
using boost::shared_lock;
using boost::shared_mutex;
using std::deque;
using std::dynamic_pointer_cast;
+using std::ios_base;
using std::lock_guard;
using std::make_pair;
+using std::map;
using std::min;
using std::mutex;
using std::pair;
using std::shared_ptr;
using std::string;
using std::thread;
+using std::unordered_set;
using std::vector;
+using Glib::VariantBase;
+
using sigrok::ConfigKey;
using sigrok::Error;
+using sigrok::OutputFormat;
+using sigrok::OutputFlag;
namespace pv {
const size_t StoreSession::BlockSize = 1024 * 1024;
StoreSession::StoreSession(const std::string &file_name,
- const SigSession &session) :
- _file_name(file_name),
- _session(session),
- _interrupt(false),
- _units_stored(0),
- _unit_count(0)
+ const shared_ptr<OutputFormat> &output_format,
+ const map<string, VariantBase> &options,
+ const std::pair<uint64_t, uint64_t> sample_range,
+ const Session &session) :
+ file_name_(file_name),
+ output_format_(output_format),
+ options_(options),
+ sample_range_(sample_range),
+ session_(session),
+ interrupt_(false),
+ units_stored_(0),
+ unit_count_(0)
{
}
pair<int, int> StoreSession::progress() const
{
- return make_pair(_units_stored.load(), _unit_count.load());
+ return make_pair(units_stored_.load(), unit_count_.load());
}
const QString& StoreSession::error() const
{
- lock_guard<mutex> lock(_mutex);
- return _error;
+ lock_guard<mutex> lock(mutex_);
+ return error_;
}
bool StoreSession::start()
{
- set< shared_ptr<data::SignalData> > data_set =
- _session.get_data();
+ const unordered_set< shared_ptr<view::Signal> > sigs(session_.signals());
+
+ // Add enabled channels to the data set
+ set< shared_ptr<data::SignalData> > data_set;
- shared_lock<shared_mutex> lock(_session.signals_mutex());
- const vector< shared_ptr<view::Signal> > &sigs(_session.signals());
+ for (shared_ptr<view::Signal> signal : sigs)
+ if (signal->enabled())
+ data_set.insert(signal->data());
// Check we have logic data
if (data_set.empty() || sigs.empty()) {
- _error = tr("No data to save.");
+ error_ = tr("No data to save.");
return false;
}
if (data_set.size() > 1) {
- _error = tr("PulseView currently only has support for "
+ error_ = tr("PulseView currently only has support for "
"storing a single data stream.");
return false;
}
// Get the logic data
shared_ptr<data::Logic> data;
if (!(data = dynamic_pointer_cast<data::Logic>(*data_set.begin()))) {
- _error = tr("PulseView currently only has support for "
- "storing a logic data.");
+ error_ = tr("PulseView currently only has support for "
+ "storing logic data.");
return false;
}
- // Get the snapshot
- const deque< shared_ptr<data::LogicSnapshot> > &snapshots =
- data->get_snapshots();
+ // Get the segment
+ const deque< shared_ptr<data::LogicSegment> > &segments =
+ data->logic_segments();
- if (snapshots.empty()) {
- _error = tr("No snapshots to save.");
+ if (segments.empty()) {
+ error_ = tr("No segments to save.");
return false;
}
- const shared_ptr<data::LogicSnapshot> snapshot(snapshots.front());
- assert(snapshot);
+ const shared_ptr<data::LogicSegment> segment(segments.front());
+ assert(segment);
+
+ // Check whether the user wants to export a certain sample range
+ if (sample_range_.first == sample_range_.second) {
+ start_sample_ = 0;
+ sample_count_ = segment->get_sample_count();
+ } else {
+ start_sample_ = std::min(sample_range_.first, sample_range_.second);
+ sample_count_ = std::abs(sample_range_.second - sample_range_.first);
+ }
// Begin storing
try {
- auto context = _session.session()->context();
- auto output_format = context->output_formats()["srzip"];
- auto device = _session.device();
- _output = output_format->create_output(device,
- {{"filename",
- Glib::Variant<Glib::ustring>::create(_file_name)}});
+ const auto context = session_.device_manager().context();
+ auto device = session_.device()->device();
+
+ map<string, Glib::VariantBase> options = options_;
+
+ if (!output_format_->test_flag(OutputFlag::INTERNAL_IO_HANDLING))
+ output_stream_.open(file_name_, ios_base::binary |
+ ios_base::trunc | ios_base::out);
+
+ output_ = output_format_->create_output(file_name_, device, options);
auto meta = context->create_meta_packet(
- {{ConfigKey::SAMPLERATE,
- Glib::Variant<guint64>::create(data->samplerate())}});
- _output->receive(meta);
+ {{ConfigKey::SAMPLERATE, Glib::Variant<guint64>::create(
+ segment->samplerate())}});
+ output_->receive(meta);
} catch (Error error) {
- _error = tr("Error while saving.");
+ error_ = tr("Error while saving.");
return false;
}
- _thread = std::thread(&StoreSession::store_proc, this, snapshot);
+ thread_ = std::thread(&StoreSession::store_proc, this, segment);
return true;
}
void StoreSession::wait()
{
- if (_thread.joinable())
- _thread.join();
+ if (thread_.joinable())
+ thread_.join();
}
void StoreSession::cancel()
{
- _interrupt = true;
+ interrupt_ = true;
}
-void StoreSession::store_proc(shared_ptr<data::LogicSnapshot> snapshot)
+void StoreSession::store_proc(shared_ptr<data::LogicSegment> segment)
{
- assert(snapshot);
+ assert(segment);
- uint64_t start_sample = 0, sample_count;
unsigned progress_scale = 0;
/// TODO: Wrap this in a std::unique_ptr when we transition to C++11
uint8_t *const data = new uint8_t[BlockSize];
assert(data);
- const int unit_size = snapshot->unit_size();
+ const int unit_size = segment->unit_size();
assert(unit_size != 0);
- sample_count = snapshot->get_sample_count();
-
// Qt needs the progress values to fit inside an int. If they would
// not, scale the current and max values down until they do.
- while ((sample_count >> progress_scale) > INT_MAX)
+ while ((sample_count_ >> progress_scale) > INT_MAX)
progress_scale ++;
- _unit_count = sample_count >> progress_scale;
+ unit_count_ = sample_count_ >> progress_scale;
const unsigned int samples_per_block = BlockSize / unit_size;
- while (!_interrupt && start_sample < sample_count)
+ while (!interrupt_ && sample_count_)
{
progress_updated();
- const uint64_t end_sample = min(
- start_sample + samples_per_block, sample_count);
- snapshot->get_samples(data, start_sample, end_sample);
+ const uint64_t packet_len =
+ std::min((uint64_t)samples_per_block, sample_count_);
- size_t length = end_sample - start_sample;
+ segment->get_samples(data, start_sample_, start_sample_ + packet_len);
+
+ size_t length = packet_len * unit_size;
try {
- auto context = _session.session()->context();
+ const auto context = session_.device_manager().context();
auto logic = context->create_logic_packet(data, length, unit_size);
- _output->receive(logic);
+ const string data = output_->receive(logic);
+ if (output_stream_.is_open())
+ output_stream_ << data;
} catch (Error error) {
- _error = tr("Error while saving.");
+ error_ = tr("Error while saving.");
break;
}
- start_sample = end_sample;
- _units_stored = start_sample >> progress_scale;
+ sample_count_ -= packet_len;
+ start_sample_ += packet_len;
+ units_stored_ = unit_count_ - (sample_count_ >> progress_scale);
}
+ // Zeroing the progress variables indicates completion
+ units_stored_ = unit_count_ = 0;
+
progress_updated();
- _output.reset();
+ output_.reset();
+ output_stream_.close();
delete[] data;
}