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Diffstat (limited to 'src/plugins/capabilities/core/include/PublisherForwarder.h')
-rw-r--r-- | src/plugins/capabilities/core/include/PublisherForwarder.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/plugins/capabilities/core/include/PublisherForwarder.h b/src/plugins/capabilities/core/include/PublisherForwarder.h new file mode 100644 index 0000000..9cc89b5 --- /dev/null +++ b/src/plugins/capabilities/core/include/PublisherForwarder.h @@ -0,0 +1,73 @@ +/* + * 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_CAPABILITIES_CORE_PUBLISHERFORWARDER_H_ +#define VSHL_CAPABILITIES_CORE_PUBLISHERFORWARDER_H_ + +#include <memory> + +#include "capabilities/core/include/SubscriberForwarder.h" + +#include "interfaces/afb/IAFBApi.h" +#include "interfaces/capabilities/ICapability.h" +#include "interfaces/utilities/logging/ILogger.h" + +using namespace std; + +namespace vshl { +namespace capabilities { +namespace core { +/* + * This class is responsible for forwarding the messages to be published + * to subscriber forwarder. Subscriber forwarder will deliver the messages + * as AFB Events to all the subscribed clients. + * There is one PublisherForwarder and one SubscriberForwarder per capability. + */ +class PublisherForwarder { +public: + // Create a PublisherForwarder. + static std::shared_ptr<PublisherForwarder> create( + shared_ptr<vshl::common::interfaces::ILogger> logger, + shared_ptr<vshl::common::interfaces::ICapability> capability); + + // Connect a subscriber forwarder to this publisher forwarder + void setSubscriberForwarder(shared_ptr<SubscriberForwarder> subscriberForwarder); + + // Forward message to the subscriber forwarder + bool forwardMessage(const string action, const string payload); + + // Destructor + ~PublisherForwarder(); + +private: + // Constructor + PublisherForwarder( + shared_ptr<vshl::common::interfaces::ILogger> logger, + shared_ptr<vshl::common::interfaces::ICapability> capability); + + // Subscriber forwarder connected to this publisher forwarder. + shared_ptr<SubscriberForwarder> mSubscriberForwarder; + + // Capability + shared_ptr<vshl::common::interfaces::ICapability> mCapability; + + // Logger + shared_ptr<vshl::common::interfaces::ILogger> mLogger; +}; + +} // namespace core +} // namespace capabilities +} // namespace vshl + +#endif // VSHL_CAPABILITIES_CORE_PUBLISHERFORWARDER_H_ |