rename project for upgrade

DSView/pv/devicemanager.cpp

@@ -0,0 +1,184 @@
+/*
+ * This file is part of the DSLogic-gui project.
+ * DSLogic-gui is based on PulseView.
+ *
+ * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
+ * Copyright (C) 2013 DreamSourceLab <dreamsourcelab@dreamsourcelab.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+
+#include "devicemanager.h"
+#include "device/devinst.h"
+#include "device/device.h"
+#include "sigsession.h"
+
+#include <cassert>
+#include <sstream>
+#include <stdexcept>
+#include <string>
+
+#include <QtGui/QApplication>
+#include <QObject>
+#include <QDebug>
+#include <QDir>
+
+#include <boost/foreach.hpp>
+
+#include <libsigrok4DSLogic/libsigrok.h>
+
+using boost::shared_ptr;
+using std::list;
+using std::map;
+using std::ostringstream;
+using std::runtime_error;
+using std::string;
+
+char config_path[256];
+
+namespace pv {
+
+DeviceManager::DeviceManager(struct sr_context *sr_ctx) :
+	_sr_ctx(sr_ctx)
+{
+	init_drivers();
+	scan_all_drivers();
+}
+
+DeviceManager::~DeviceManager()
+{
+	release_devices();
+}
+
+const std::list<boost::shared_ptr<device::DevInst> > &DeviceManager::devices() const
+{
+	return _devices;
+}
+
+void DeviceManager::add_device(boost::shared_ptr<pv::device::DevInst> device)
+{
+    assert(device);
+
+    if (std::find(_devices.begin(), _devices.end(), device) ==
+        _devices.end())
+        _devices.push_front(device);
+}
+
+std::list<boost::shared_ptr<device::DevInst> > DeviceManager::driver_scan(
+	struct sr_dev_driver *const driver, GSList *const drvopts)
+{
+    list< shared_ptr<device::DevInst> > driver_devices;
+
+	assert(driver);
+
+	// Remove any device instances from this driver from the device
+	// list. They will not be valid after the scan.
+    list< shared_ptr<device::DevInst> >::iterator i = _devices.begin();
+	while (i != _devices.end()) {
+        if ((*i)->dev_inst() &&
+            (*i)->dev_inst()->driver == driver) {
+            (*i)->release();
+			i = _devices.erase(i);
+        } else {
+			i++;
+        }
+	}
+
+    // Clear all the old device instances from this driver
+    sr_dev_clear(driver);
+    //release_driver(driver);
+
+    // Check If DSLogic driver
+    if (strcmp(driver->name, "DSLogic") == 0) {
+        QDir dir(QCoreApplication::applicationDirPath());
+        if (!dir.cd("res"))
+            return driver_devices;
+        std::string str = dir.absolutePath().toStdString() + "/";
+        strcpy(config_path, str.c_str());
+    }
+
+	// Do the scan
+	GSList *const devices = sr_driver_scan(driver, drvopts);
+	for (GSList *l = devices; l; l = l->next)
+        driver_devices.push_front(shared_ptr<device::DevInst>(
+                                     new device::Device((sr_dev_inst*)l->data)));
+	g_slist_free(devices);
+    //driver_devices.sort(compare_devices);
+
+	// Add the scanned devices to the main list
+	_devices.insert(_devices.end(), driver_devices.begin(),
+		driver_devices.end());
+    //_devices.sort(compare_devices);
+
+	return driver_devices;
+}
+
+void DeviceManager::init_drivers()
+{
+	// Initialise all libsigrok drivers
+	sr_dev_driver **const drivers = sr_driver_list();
+	for (sr_dev_driver **driver = drivers; *driver; driver++) {
+		if (sr_driver_init(_sr_ctx, *driver) != SR_OK) {
+			throw runtime_error(
+				string("Failed to initialize driver ") +
+				string((*driver)->name));
+		}
+	}
+}
+
+void DeviceManager::release_devices()
+{
+    // Release all the used devices
+    BOOST_FOREACH(shared_ptr<device::DevInst> dev, _devices) {
+        assert(dev);
+        dev->release();
+    }
+
+    // Clear all the drivers
+    sr_dev_driver **const drivers = sr_driver_list();
+    for (sr_dev_driver **driver = drivers; *driver; driver++)
+        sr_dev_clear(*driver);
+}
+
+void DeviceManager::scan_all_drivers()
+{
+	// Scan all drivers for all devices.
+	struct sr_dev_driver **const drivers = sr_driver_list();
+	for (struct sr_dev_driver **driver = drivers; *driver; driver++)
+		driver_scan(*driver);
+}
+
+void DeviceManager::release_driver(struct sr_dev_driver *const driver)
+{
+    BOOST_FOREACH(shared_ptr<device::DevInst> dev, _devices) {
+        assert(dev);
+        if(dev->dev_inst()->driver == driver)
+            dev->release();
+    }
+
+    // Clear all the old device instances from this driver
+    sr_dev_clear(driver);
+}
+
+bool DeviceManager::compare_devices(boost::shared_ptr<device::DevInst> a,
+    boost::shared_ptr<device::DevInst> b)
+{
+    assert(a);
+    assert(b);
+    return a->format_device_title().compare(b->format_device_title()) <= 0;
+}
+
+} // namespace pv