#include "sigsession.h"
+#include "devicemanager.h"
#include "data/analog.h"
#include "data/analogsnapshot.h"
#include "data/logic.h"
#include <assert.h>
+#include <sys/stat.h>
+
#include <QDebug>
using namespace boost;
// TODO: This should not be necessary
SigSession* SigSession::_session = NULL;
-SigSession::SigSession() :
+SigSession::SigSession(DeviceManager &device_manager) :
+ _device_manager(device_manager),
_sdi(NULL),
_capture_state(Stopped)
{
void SigSession::set_device(struct sr_dev_inst *sdi)
{
+ if (_sdi)
+ _device_manager.release_device(_sdi);
+ if (sdi)
+ _device_manager.use_device(sdi, this);
_sdi = sdi;
}
+void SigSession::release_device(struct sr_dev_inst *sdi)
+{
+ (void)sdi;
+
+ assert(_capture_state == Stopped);
+ _sdi = NULL;
+}
+
void SigSession::load_file(const string &name,
function<void (const QString)> error_handler)
{
capture_state_changed(state);
}
+/**
+ * Attempts to autodetect the format. Failing that
+ * @param filename The filename of the input file.
+ * @return A pointer to the 'struct sr_input_format' that should be used,
+ * or NULL if no input format was selected or auto-detected.
+ */
+sr_input_format* SigSession::determine_input_file_format(
+ const string &filename)
+{
+ int i;
+
+ /* If there are no input formats, return NULL right away. */
+ sr_input_format *const *const inputs = sr_input_list();
+ if (!inputs) {
+ g_critical("No supported input formats available.");
+ return NULL;
+ }
+
+ /* Otherwise, try to find an input module that can handle this file. */
+ for (i = 0; inputs[i]; i++) {
+ if (inputs[i]->format_match(filename.c_str()))
+ break;
+ }
+
+ /* Return NULL if no input module wanted to touch this. */
+ if (!inputs[i]) {
+ g_critical("Error: no matching input module found.");
+ return NULL;
+ }
+
+ return inputs[i];
+}
+
+sr_input* SigSession::load_input_file_format(const string &filename,
+ function<void (const QString)> error_handler,
+ sr_input_format *format)
+{
+ struct stat st;
+ sr_input *in;
+
+ if (!format && !(format =
+ determine_input_file_format(filename.c_str()))) {
+ /* The exact cause was already logged. */
+ return NULL;
+ }
+
+ if (stat(filename.c_str(), &st) == -1) {
+ error_handler(tr("Failed to load file"));
+ return NULL;
+ }
+
+ /* Initialize the input module. */
+ if (!(in = new sr_input)) {
+ qDebug("Failed to allocate input module.\n");
+ return NULL;
+ }
+
+ in->format = format;
+ in->param = NULL;
+ if (in->format->init &&
+ in->format->init(in, filename.c_str()) != SR_OK) {
+ qDebug("Input format init failed.\n");
+ return NULL;
+ }
+
+ sr_session_new();
+
+ if (sr_session_dev_add(in->sdi) != SR_OK) {
+ qDebug("Failed to use device.\n");
+ sr_session_destroy();
+ return NULL;
+ }
+
+ return in;
+}
+
void SigSession::load_thread_proc(const string name,
function<void (const QString)> error_handler)
{
- if (sr_session_load(name.c_str()) != SR_OK) {
- error_handler(tr("Failed to load file."));
- return;
+ sr_input *in = NULL;
+
+ if (sr_session_load(name.c_str()) == SR_OK) {
+ if (sr_session_start() != SR_OK) {
+ error_handler(tr("Failed to start session."));
+ return;
+ }
}
+ else if(!(in = load_input_file_format(name.c_str(), error_handler)))
+ return;
sr_session_datafeed_callback_add(data_feed_in_proc, NULL);
- if (sr_session_start() != SR_OK) {
- error_handler(tr("Failed to start session."));
- return;
- }
-
set_capture_state(Running);
- sr_session_run();
- sr_session_destroy();
+ if(in) {
+ assert(in->format);
+ in->format->loadfile(in, name.c_str());
+ } else
+ sr_session_run();
+ sr_session_destroy();
set_capture_state(Stopped);
+
+ // Confirm that SR_DF_END was received
+ assert(!_cur_logic_snapshot);
+ assert(!_cur_analog_snapshot);
+
+ delete in;
}
void SigSession::sample_thread_proc(struct sr_dev_inst *sdi,
sr_session_destroy();
set_capture_state(Stopped);
+
+ // Confirm that SR_DF_END was received
+ assert(!_cur_logic_snapshot);
+ assert(!_cur_analog_snapshot);
}
void SigSession::feed_in_header(const sr_dev_inst *sdi)
}
// Read out the sample rate
- assert(sdi->driver);
+ if(sdi->driver)
+ {
+ const int ret = sr_config_get(sdi->driver,
+ SR_CONF_SAMPLERATE, &gvar, sdi);
+ if (ret != SR_OK) {
+ qDebug("Failed to get samplerate\n");
+ return;
+ }
- const int ret = sr_config_get(sdi->driver, SR_CONF_SAMPLERATE,
- &gvar, sdi);
- if (ret != SR_OK) {
- qDebug("Failed to get samplerate\n");
- return;
+ sample_rate = g_variant_get_uint64(gvar);
+ g_variant_unref(gvar);
}
- sample_rate = g_variant_get_uint64(gvar);
- g_variant_unref(gvar);
-
// Create data containers for the coming data snapshots
{
lock_guard<mutex> data_lock(_data_mutex);