[dbus] add notifications for active dataset changes (#1437)

2 files changed, 11 insertions, 0 deletions

diff --git a/src/dbus/server/dbus_thread_object.cpp b/src/dbus/server/dbus_thread_object.cpp
index c9b29dd1..51727e7e 100644
--- a/src/dbus/server/dbus_thread_object.cpp
+++ b/src/dbus/server/dbus_thread_object.cpp
@@ -107,6 +107,7 @@ otbrError DBusThreadObject::Init(void)
     auto      threadHelper = mNcp->GetThreadHelper();
 
     threadHelper->AddDeviceRoleHandler(std::bind(&DBusThreadObject::DeviceRoleHandler, this, _1));
+    threadHelper->AddActiveDatasetChangeHandler(std::bind(&DBusThreadObject::ActiveDatasetChangeHandler, this, _1));
     mNcp->RegisterResetHandler(std::bind(&DBusThreadObject::NcpResetHandler, this));
 
     RegisterMethod(OTBR_DBUS_THREAD_INTERFACE, OTBR_DBUS_SCAN_METHOD,
@@ -241,6 +242,8 @@ void DBusThreadObject::DeviceRoleHandler(otDeviceRole aDeviceRole)
 void DBusThreadObject::NcpResetHandler(void)
 {
     mNcp->GetThreadHelper()->AddDeviceRoleHandler(std::bind(&DBusThreadObject::DeviceRoleHandler, this, _1));
+    mNcp->GetThreadHelper()->AddActiveDatasetChangeHandler(
+        std::bind(&DBusThreadObject::ActiveDatasetChangeHandler, this, _1));
     SignalPropertyChanged(OTBR_DBUS_THREAD_INTERFACE, OTBR_DBUS_PROPERTY_DEVICE_ROLE,
                           GetDeviceRoleName(OT_DEVICE_ROLE_DISABLED));
 }
@@ -1398,6 +1401,13 @@ exit:
     return error;
 }
 
+void DBusThreadObject::ActiveDatasetChangeHandler(const otOperationalDatasetTlvs &aDatasetTlvs)
+{
+    std::vector<uint8_t> value(aDatasetTlvs.mLength);
+    std::copy(aDatasetTlvs.mTlvs, aDatasetTlvs.mTlvs + aDatasetTlvs.mLength, value.begin());
+    SignalPropertyChanged(OTBR_DBUS_THREAD_INTERFACE, OTBR_DBUS_PROPERTY_ACTIVE_DATASET_TLVS, value);
+}
+
 static_assert(OTBR_SRP_SERVER_STATE_DISABLED == static_cast<uint8_t>(OT_SRP_SERVER_STATE_DISABLED),
               "OTBR_SRP_SERVER_STATE_DISABLED value is incorrect");
 static_assert(OTBR_SRP_SERVER_STATE_RUNNING == static_cast<uint8_t>(OT_SRP_SERVER_STATE_RUNNING),
diff --git a/src/dbus/server/dbus_thread_object.hpp b/src/dbus/server/dbus_thread_object.hpp
index 90a31d39..daad87b4 100644
--- a/src/dbus/server/dbus_thread_object.hpp
+++ b/src/dbus/server/dbus_thread_object.hpp
@@ -80,6 +80,7 @@ public:
 
 private:
     void DeviceRoleHandler(otDeviceRole aDeviceRole);
+    void ActiveDatasetChangeHandler(const otOperationalDatasetTlvs &aDatasetTlvs);
     void NcpResetHandler(void);
 
     void ScanHandler(DBusRequest &aRequest);