Implement QLEService::discoverDetails for DBus Bluez

This includes support for reading of characteristics and descriptors.

Task-number: QTBUG-46819
Change-Id: I8ac1ef3bcd5bc475941f1a9f889d0742eb8def35
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>

1 files changed, 46 insertions, 0 deletions

diff --git a/src/bluetooth/qlowenergycontroller_bluezdbus_p.h b/src/bluetooth/qlowenergycontroller_bluezdbus_p.h
index c4589381..84326e48 100644
--- a/src/bluetooth/qlowenergycontroller_bluezdbus_p.h
+++ b/src/bluetooth/qlowenergycontroller_bluezdbus_p.h
@@ -59,11 +59,16 @@
 
 class OrgBluezAdapter1Interface;
 class OrgBluezDevice1Interface;
+class OrgBluezGattCharacteristic1Interface;
+class OrgBluezGattDescriptor1Interface;
+class OrgBluezGattService1Interface;
 class OrgFreedesktopDBusObjectManagerInterface;
 class OrgFreedesktopDBusPropertiesInterface;
 
 QT_BEGIN_NAMESPACE
 
+class QDBusPendingCallWatcher;
+
 class QLowEnergyControllerPrivateBluezDBus : public QLowEnergyControllerPrivate
 {
     Q_OBJECT
@@ -116,11 +121,15 @@ private:
     void connectToDeviceHelper();
     void resetController();
 
+    void scheduleNextJob();
+
 private slots:
     void devicePropertiesChanged(const QString &interface, const QVariantMap &changedProperties,
                            const QStringList &/*invalidatedProperties*/);
     void interfacesRemoved(const QDBusObjectPath &objectPath, const QStringList &interfaces);
 
+    void onCharReadFinished(QDBusPendingCallWatcher *call);
+    void onDescReadFinished(QDBusPendingCallWatcher *call);
 private:
     OrgBluezAdapter1Interface* adapter{};
     OrgBluezDevice1Interface* device{};
@@ -130,6 +139,43 @@ private:
     bool pendingConnect = false;
     bool pendingDisconnect = false;
     bool disconnectSignalRequired = false;
+
+    struct GattCharacteristic
+    {
+        QSharedPointer<OrgBluezGattCharacteristic1Interface> characteristic;
+        QVector<QSharedPointer<OrgBluezGattDescriptor1Interface>> descriptors;
+    };
+
+    struct GattService
+    {
+        QString servicePath;
+        QVector<GattCharacteristic> characteristics;
+    };
+
+    QHash<QBluetoothUuid, GattService> dbusServices;
+    QLowEnergyHandle runningHandle = 1;
+
+    struct GattJob {
+        enum JobFlag {
+            Unset                   = 0x00,
+            CharRead                = 0x01,
+            CharWrite               = 0x02,
+            DescRead                = 0x04,
+            DescWrite               = 0x08,
+            ServiceDiscovery        = 0x10,
+            LastServiceDiscovery    = 0x20
+        };
+        Q_DECLARE_FLAGS(JobFlags, JobFlag)
+
+        JobFlags flags = GattJob::Unset;
+        QLowEnergyHandle handle;
+        QSharedPointer<QLowEnergyServicePrivate> service;
+    };
+
+    QVector<GattJob> jobs;
+    bool jobPending = false;
+
+    void prepareNextJob();
 };
 
 QT_END_NAMESPACE