X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fdevicemanager.cpp;h=b854c05081123516948262249a632ca39372a80c;hb=921b90c0b3ae0cf44247da3d87bd7dc0612e9681;hp=4018c0470ee031ce17f3d37664c115bb79865992;hpb=107ca6d350b51186d12dac9273f6ed130b3f5dd7;p=pulseview.git

diff --git a/pv/devicemanager.cpp b/pv/devicemanager.cpp
index 4018c04..b854c05 100644
--- a/pv/devicemanager.cpp
+++ b/pv/devicemanager.cpp
@@ -19,15 +19,21 @@
  */
 
 #include "devicemanager.h"
+#include "device/device.h"
+#include "sigsession.h"
 
 #include <cassert>
-#include <cstring>
 #include <stdexcept>
 #include <string>
 
 #include <libsigrok/libsigrok.h>
 
-using namespace std;
+using boost::shared_ptr;
+using std::list;
+using std::map;
+using std::ostringstream;
+using std::runtime_error;
+using std::string;
 
 namespace pv {
 
@@ -43,35 +49,60 @@ DeviceManager::~DeviceManager()
 	release_devices();
 }
 
-const std::list<sr_dev_inst*>& DeviceManager::devices() const
+const list< shared_ptr<pv::device::DevInst> >& DeviceManager::devices() const
 {
 	return _devices;
 }
 
-list<sr_dev_inst*> DeviceManager::driver_scan(
+void DeviceManager::use_device(shared_ptr<device::DevInst> dev_inst,
+	SigSession *owner)
+{
+	assert(dev_inst);
+	assert(owner);
+
+	_used_devices[dev_inst] = owner;
+
+	sr_dev_open(dev_inst->dev_inst());
+}
+
+void DeviceManager::release_device(shared_ptr<device::DevInst> dev_inst)
+{
+	assert(dev_inst);
+
+	// Notify the owner, and remove the device from the used device list
+	map< shared_ptr<device::DevInst>, pv::SigSession*>::const_iterator
+		iter = _used_devices.find(dev_inst);
+	assert(iter != _used_devices.end());
+
+	(*iter).second->release_device(dev_inst);
+	_used_devices.erase(dev_inst);
+}
+
+list< shared_ptr<device::DevInst> > DeviceManager::driver_scan(
 	struct sr_dev_driver *const driver, GSList *const drvopts)
 {
-	list<sr_dev_inst*> driver_devices;
+	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<sr_dev_inst*>::iterator i = _devices.begin();
+	list< shared_ptr<device::DevInst> >::iterator i = _devices.begin();
 	while (i != _devices.end()) {
-		if ((*i)->driver == driver)
+		if ((*i)->dev_inst()->driver == driver)
 			i = _devices.erase(i);
 		else
 			i++;
 	}
 
-	// Clear all the old device instances from this driver
-	sr_dev_clear(driver);
+	// Release this driver and all it's attached devices
+	release_driver(driver);
 
 	// Do the scan
 	GSList *const devices = sr_driver_scan(driver, drvopts);
 	for (GSList *l = devices; l; l = l->next)
-		driver_devices.push_back((sr_dev_inst*)l->data);
+		driver_devices.push_back(shared_ptr<device::DevInst>(
+			new device::Device((sr_dev_inst*)l->data)));
 	g_slist_free(devices);
 	driver_devices.sort(compare_devices);
 
@@ -98,6 +129,14 @@ void DeviceManager::init_drivers()
 
 void DeviceManager::release_devices()
 {
+	// Release all the used devices
+	for (map<shared_ptr<device::DevInst>, SigSession*>::iterator i =
+		_used_devices.begin(); i != _used_devices.end(); i++)
+		release_device((*i).first);
+
+	_used_devices.clear();
+
+	// Clear all the drivers
 	sr_dev_driver **const drivers = sr_driver_list();
 	for (sr_dev_driver **driver = drivers; *driver; driver++)
 		sr_dev_clear(*driver);
@@ -111,25 +150,33 @@ void DeviceManager::scan_all_drivers()
 		driver_scan(*driver);
 }
 
-bool DeviceManager::compare_devices(const sr_dev_inst *const a,
-	const sr_dev_inst *const b)
+void DeviceManager::release_driver(struct sr_dev_driver *const driver)
 {
-	assert(a);
-	assert(b);
-
-	const int vendor_cmp = strcasecmp(a->vendor, b->vendor);
-	if(vendor_cmp < 0)
-		return true;
-	else if(vendor_cmp > 0)
-		return false;
+	assert(driver);
+	for (map<shared_ptr<device::DevInst>, SigSession*>::iterator i =
+		_used_devices.begin(); i != _used_devices.end(); i++)
+		if((*i).first->dev_inst()->driver == driver)
+		{
+			// Notify the current owner of the device
+			(*i).second->release_device((*i).first);
+
+			// Remove it from the used device list
+			_used_devices.erase(i);
+
+			// Close the device instance
+			sr_dev_close((*i).first->dev_inst());
+		}
 
-	const int model_cmp = strcasecmp(a->model, b->model);
-	if(model_cmp < 0)
-		return true;
-	else if(model_cmp > 0)
-		return false;
+	// Clear all the old device instances from this driver
+	sr_dev_clear(driver);
+}
 
-	return strcasecmp(a->version, b->version) < 0;
+bool DeviceManager::compare_devices(shared_ptr<device::DevInst> a,
+	shared_ptr<device::DevInst> b)
+{
+	assert(a);
+	assert(b);
+	return a->format_device_title().compare(b->format_device_title()) < 0;
 }
 
 } // namespace pv