]> sigrok.org Git - pulseview.git/blobdiff - pv/storesession.cpp
Modified header guards to match file names
[pulseview.git] / pv / storesession.cpp
index 741d18a660d73dc628e08eec6a7c151d521cebf6..d58fd4981d3f5830f8c3c64b92f95d7347da92a4 100644 (file)
 
 #include <cassert>
 
-#include "storesession.h"
+#include "storesession.hpp"
 
-#include <pv/sigsession.h>
-#include <pv/data/logic.h>
-#include <pv/data/logicsnapshot.h>
-#include <pv/view/signal.h>
+#include <pv/session.hpp>
+#include <pv/data/logic.hpp>
+#include <pv/data/logicsegment.hpp>
+#include <pv/view/signal.hpp>
 
-#include <libsigrok/libsigrok.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;
@@ -44,18 +49,20 @@ using std::vector;
 
 using sigrok::ConfigKey;
 using sigrok::Error;
+using sigrok::OutputFormat;
 
 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 Session &session) :
+       file_name_(file_name),
+       output_format_(output_format),
+       session_(session),
+       interrupt_(false),
+       units_stored_(0),
+       unit_count_(0)
 {
 }
 
@@ -66,90 +73,100 @@ StoreSession::~StoreSession()
 
 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 vector< shared_ptr<view::Signal> > sigs =
-               _session.get_signals();
+               session_.get_data();
+
+       shared_lock<shared_mutex> lock(session_.signals_mutex());
+       const vector< shared_ptr<view::Signal> > &sigs(session_.signals());
 
        // 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::SignalData
        shared_ptr<data::Logic> data;
        if (!(data = dynamic_pointer_cast<data::Logic>(*data_set.begin()))) {
-               _error = tr("PulseView currently only has support for "
+               error_ = tr("PulseView currently only has support for "
                        "storing a 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);
 
        // Begin storing
        try {
-               auto context = _session._sr_session->context();
-               auto output_format = context->output_formats()["srzip"];
-               auto device = _session.get_device();
-               _output = output_format->create_output(device,
-                       {{"filename",
-                               Glib::Variant<Glib::ustring>::create(_file_name)}});
+               auto context = session_.session()->context();
+               auto device = session_.device();
+
+               map<string, Glib::VariantBase> options;
+
+               // If the output has the capability to write files, use it.
+               // Otherwise, open the output stream.
+               const auto opt_list = output_format_->options();
+               if (opt_list.find("filename") != opt_list.end())
+                       options["filename"] =
+                               Glib::Variant<Glib::ustring>::create(file_name_);
+               else
+                       output_stream_.open(file_name_, ios_base::binary |
+                               ios_base::trunc | ios_base::out);
+
+               output_ = output_format_->create_output(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;
@@ -158,46 +175,52 @@ void StoreSession::store_proc(shared_ptr<data::LogicSnapshot> snapshot)
        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();
+       sample_count = segment->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)
                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_ && start_sample < 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);
+               segment->get_samples(data, start_sample, end_sample);
 
                size_t length = end_sample - start_sample;
 
                try {
-                       auto context = _session._sr_session->context();
+                       auto context = session_.session()->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;
+               units_stored_ = start_sample >> progress_scale;
        }
 
+       // Zeroing the progress variables indicates completion
+       units_stored_ = unit_count_ = 0;
+
        progress_updated();
 
-       _output.reset();
+       output_.reset();
+       output_stream_.close();
 
        delete[] data;
 }