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-rw-r--r--src/plugins/utilities/events/EventRouter.cpp68
-rw-r--r--src/plugins/utilities/events/EventRouter.h66
2 files changed, 134 insertions, 0 deletions
diff --git a/src/plugins/utilities/events/EventRouter.cpp b/src/plugins/utilities/events/EventRouter.cpp
new file mode 100644
index 0000000..999c3dd
--- /dev/null
+++ b/src/plugins/utilities/events/EventRouter.cpp
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. 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.
+ * A copy of the License is located at
+ *
+ * http://aws.amazon.com/apache2.0/
+ *
+ * or in the "license" file accompanying this file. This file 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 "utilities/events/EventRouter.h"
+
+static string TAG = "vshl::utilities::events::EventRouter";
+
+using Level = vshl::common::interfaces::ILogger::Level;
+
+namespace vshl {
+namespace utilities {
+namespace events {
+
+unique_ptr<EventRouter> EventRouter::create(shared_ptr<vshl::common::interfaces::ILogger> logger) {
+ return std::unique_ptr<EventRouter>(new EventRouter(logger));
+}
+
+EventRouter::EventRouter(shared_ptr<vshl::common::interfaces::ILogger> logger) : mLogger(logger) {
+}
+
+EventRouter::~EventRouter() {
+ mEventFilters.clear();
+}
+
+bool EventRouter::handleIncomingEvent(const string eventName, const string voiceAgentId, const string payload) {
+ for (auto eventFilter : mEventFilters) {
+ if (eventFilter->onIncomingEvent(eventName, voiceAgentId, payload)) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+bool EventRouter::addEventFilter(shared_ptr<vshl::common::interfaces::IEventFilter> filter) {
+ if (!filter) {
+ mLogger->log(Level::ERROR, TAG, "Failed to add event filter. Invalid arguments.");
+ return false;
+ }
+
+ mEventFilters.insert(filter);
+ return true;
+}
+
+bool EventRouter::removeEventFilter(shared_ptr<vshl::common::interfaces::IEventFilter> filter) {
+ if (!filter) {
+ mLogger->log(Level::ERROR, TAG, "Failed to add remove filter. Invalid arguments.");
+ return false;
+ }
+
+ mEventFilters.erase(filter);
+ return true;
+}
+
+} // namespace events
+} // namespace utilities
+} // namespace vshl
diff --git a/src/plugins/utilities/events/EventRouter.h b/src/plugins/utilities/events/EventRouter.h
new file mode 100644
index 0000000..fd7f0c2
--- /dev/null
+++ b/src/plugins/utilities/events/EventRouter.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. 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.
+ * A copy of the License is located at
+ *
+ * http://aws.amazon.com/apache2.0/
+ *
+ * or in the "license" file accompanying this file. This file 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.
+ */
+#ifndef VSHL_UTILITIES_EVENTS_EVENTMANAGER_H_
+#define VSHL_UTILITIES_EVENTS_EVENTMANAGER_H_
+
+#include <memory>
+#include <string>
+#include <unordered_set>
+
+#include "interfaces/utilities/events/IEventFilter.h"
+#include "interfaces/utilities/logging/ILogger.h"
+
+using namespace std;
+
+namespace vshl {
+namespace utilities {
+namespace events {
+/*
+ * This class is responsible for routing incoming events to
+ * the appropriate event listener for consumption.
+ * Note: The listeners should implement the IEventFilter class.
+ */
+class EventRouter {
+public:
+ static unique_ptr<EventRouter> create(shared_ptr<vshl::common::interfaces::ILogger> logger);
+
+ // Destructor
+ ~EventRouter();
+
+ // Add event filter as listerner.
+ bool addEventFilter(shared_ptr<vshl::common::interfaces::IEventFilter> filter);
+
+ // Remove event filter as listerner.
+ bool removeEventFilter(shared_ptr<vshl::common::interfaces::IEventFilter> filter);
+
+ // This method is called by the controller for routing
+ // the event to appropriate listener.
+ bool handleIncomingEvent(const string eventName, const string voiceAgentId, const string payload);
+
+private:
+ EventRouter(shared_ptr<vshl::common::interfaces::ILogger> logger);
+
+ // set of event filters.
+ unordered_set<shared_ptr<vshl::common::interfaces::IEventFilter>> mEventFilters;
+
+ // Logger
+ shared_ptr<vshl::common::interfaces::ILogger> mLogger;
+};
+
+} // namespace events
+} // namespace utilities
+} // namespace vshl
+
+#endif // VSHL_UTILITIES_EVENTS_EVENTROUTER_H_