Multiple Improvements and Support for WDM Subscription to Device

Makefile

@@ -35,16 +35,22 @@ APP = openweave-nrf52840-lock-example
 
 SRCS = \
     $(PROJECT_ROOT)/main/main.cpp \
+    $(PROJECT_ROOT)/main/AppEvent.cpp \
     $(PROJECT_ROOT)/main/AppTask.cpp \
+    $(PROJECT_ROOT)/main/DeviceDiscovery.cpp \
     $(PROJECT_ROOT)/main/LEDWidget.cpp \
     $(PROJECT_ROOT)/main/BoltLockManager.cpp \
+    $(PROJECT_ROOT)/main/ButtonManager.cpp \
     $(PROJECT_ROOT)/main/WDMFeature.cpp \
     $(PROJECT_ROOT)/main/traits/BoltLockTraitDataSource.cpp \
     $(PROJECT_ROOT)/main/traits/BoltLockSettingsTraitDataSink.cpp \
     $(PROJECT_ROOT)/main/traits/DeviceIdentityTraitDataSource.cpp \
+    $(PROJECT_ROOT)/main/traits/SecurityOpenCloseTraitDataSink.cpp \
     $(PROJECT_ROOT)/main/schema/BoltLockTrait.cpp \
     $(PROJECT_ROOT)/main/schema/BoltLockSettingsTrait.cpp \
     $(PROJECT_ROOT)/main/schema/DeviceIdentityTrait.cpp \
+    $(PROJECT_ROOT)/main/schema/OpenCloseTrait.cpp \
+    $(PROJECT_ROOT)/main/schema/SecurityOpenCloseTrait.cpp \
     $(PROJECT_ROOT)/main/support/CXXExceptionStubs.cpp \
     $(PROJECT_ROOT)/main/support/nRF5Sbrk.c \
     $(PROJECT_ROOT)/main/support/FreeRTOSNewlibLockSupport.c \

main/AppEvent.cpp

@@ -0,0 +1,83 @@
+/*
+ *
+ *    Copyright (c) 2019 Google LLC.
+ *    All rights reserved.
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+#include "AppEvent.h"
+
+int AppEventDispatcher::AddEventHandler(EventHandler Handler, intptr_t Arg = 0)
+{
+    int ret = NRF_SUCCESS;
+    EventHandler_t * eventHandler;
+
+    // Do nothing if the event handler is already registered.
+    for (eventHandler = mAppEventHandlerList; eventHandler != NULL; eventHandler = eventHandler->Next)
+    {
+        if (eventHandler->Handler == Handler && eventHandler->Arg == Arg)
+        {
+            return ret;
+        }
+    }
+
+    eventHandler = (EventHandler_t *)malloc(sizeof(EventHandler_t));
+    if (eventHandler == NULL)
+    {
+        ret = NRF_ERROR_NO_MEM;
+    }
+    else
+    {
+        eventHandler->Next = mAppEventHandlerList;
+        eventHandler->Handler = Handler;
+        eventHandler->Arg = Arg;
+
+        mAppEventHandlerList = eventHandler;
+    }
+
+    return ret;
+}
+
+
+void AppEventDispatcher::RemoveEventHandler(EventHandler Handler, intptr_t Arg = 0)
+{
+    EventHandler_t ** eventHandlerIndirectPtr;
+
+    for (eventHandlerIndirectPtr = &mAppEventHandlerList; *eventHandlerIndirectPtr != NULL; )
+    {
+        EventHandler_t * eventHandler = (*eventHandlerIndirectPtr);
+
+        if (eventHandler->Handler == Handler && eventHandler->Arg == Arg)
+        {
+            *eventHandlerIndirectPtr = eventHandler->Next;
+            free(eventHandler);
+        }
+        else
+        {
+            eventHandlerIndirectPtr = &eventHandler->Next;
+        }
+    }
+}
+
+
+void AppEventDispatcher::DispatchEvent(const AppEvent * event)
+{
+    // Dispatch the event to each of the registered application event handlers.
+    for (EventHandler_t * eventHandler = mAppEventHandlerList;
+         eventHandler != NULL;
+         eventHandler = eventHandler->Next)
+    {
+        eventHandler->Handler(event, eventHandler->Arg);
+    }
+}