4 files changed, 243 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..e715ca8
--- /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 = "vshlcapabilities::utilities::events::EventRouter";
+
+using Level = vshlcapabilities::common::interfaces::ILogger::Level;
+
+namespace vshlcapabilities {
+namespace utilities {
+namespace events {
+
+unique_ptr<EventRouter> EventRouter::create(shared_ptr<vshlcapabilities::common::interfaces::ILogger> logger) {
+    return std::unique_ptr<EventRouter>(new EventRouter(logger));
+}
+
+EventRouter::EventRouter(shared_ptr<vshlcapabilities::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<vshlcapabilities::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<vshlcapabilities::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..1286128
--- /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 vshlcapabilities {
+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<vshlcapabilities::common::interfaces::ILogger> logger);
+
+    // Destructor
+    ~EventRouter();
+
+    // Add event filter as listerner.
+    bool addEventFilter(shared_ptr<vshlcapabilities::common::interfaces::IEventFilter> filter);
+
+    // Remove event filter as listerner.
+    bool removeEventFilter(shared_ptr<vshlcapabilities::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<vshlcapabilities::common::interfaces::ILogger> logger);
+
+    // set of event filters.
+    unordered_set<shared_ptr<vshlcapabilities::common::interfaces::IEventFilter>> mEventFilters;
+
+    // Logger
+    shared_ptr<vshlcapabilities::common::interfaces::ILogger> mLogger;
+};
+
+}  // namespace events
+}  // namespace utilities
+}  // namespace vshl
+
+#endif  // VSHL_UTILITIES_EVENTS_EVENTROUTER_H_
diff --git a/src/plugins/utilities/logging/Logger.cpp b/src/plugins/utilities/logging/Logger.cpp
new file mode 100644
index 0000000..c121556
--- /dev/null
+++ b/src/plugins/utilities/logging/Logger.cpp
@@ -0,0 +1,56 @@
+/*
+ * 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/logging/Logger.h"
+
+namespace vshlcapabilities {
+namespace utilities {
+namespace logging {
+
+// Constructor
+Logger::Logger(AFB_ApiT api) {
+    mApi = api;
+}
+
+unique_ptr<Logger> Logger::create(AFB_ApiT api) {
+    auto logger = std::unique_ptr<Logger>(new Logger(api));
+    return logger;
+}
+
+void Logger::log(Level level, const std::string& tag, const std::string& message) {
+    string format_msg = "Tag: " + tag + ", message: " + message;
+    switch (level) {
+        case Level::NOTICE:
+            AFB_ApiNotice(mApi, format_msg.c_str());
+            break;
+        case Level::WARNING:
+            AFB_ApiWarning(mApi, format_msg.c_str());
+            break;
+        case Level::DEBUG:
+            AFB_ApiDebug(mApi, format_msg.c_str());
+            break;
+        case Level::ERROR:
+            AFB_ApiError(mApi, format_msg.c_str());
+            break;
+        case Level::INFO:
+            AFB_ApiInfo(mApi, format_msg.c_str());
+            break;
+        default:
+            break;
+    }
+}
+
+}  // namespace logging
+}  // namespace utilities
+}  // namespace vshl
diff --git a/src/plugins/utilities/logging/Logger.h b/src/plugins/utilities/logging/Logger.h
new file mode 100644
index 0000000..56f810d
--- /dev/null
+++ b/src/plugins/utilities/logging/Logger.h
@@ -0,0 +1,53 @@
+/*
+ * 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_LOGGING_LOGGER_H_
+#define VSHL_UTILITIES_LOGGING_LOGGER_H_
+
+#include <memory>
+
+extern "C" {
+#define AFB_BINDING_VERSION 3
+#include "afb-definitions.h"
+#include "ctl-plugin.h"
+};
+
+#include "interfaces/utilities/logging/ILogger.h"
+
+using namespace std;
+
+namespace vshlcapabilities {
+namespace utilities {
+namespace logging {
+
+class Logger : public vshlcapabilities::common::interfaces::ILogger {
+public:
+  static std::unique_ptr<Logger> create(AFB_ApiT api);
+
+  // ILogger interface
+  void log(Level level, const std::string &tag,
+           const std::string &message) override;
+
+private:
+  Logger(AFB_ApiT api);
+
+  // Binding API reference
+  AFB_ApiT mApi;
+};
+
+} // namespace logging
+} // namespace utilities
+} // namespace vshl
+
+#endif // VSHL_UTILITIES_LOGGING_LOGGER_H_