catalog: initial query module
Change-Id: I0ddd22c5774d5e5d54c1ee80e0f01566fed311fd
refs: #2638
diff --git a/catalog/src/publish/publish-adapter.hpp b/catalog/src/publish/publish-adapter.hpp
new file mode 100644
index 0000000..c6b322b
--- /dev/null
+++ b/catalog/src/publish/publish-adapter.hpp
@@ -0,0 +1,139 @@
+/** NDN-Atmos: Cataloging Service for distributed data originally developed
+ * for atmospheric science data
+ * Copyright (C) 2015 Colorado State University
+ *
+ * NDN-Atmos is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * NDN-Atmos is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with NDN-Atmos. If not, see <http://www.gnu.org/licenses/>.
+**/
+
+#ifndef ATMOS_PUBLISH_PUBLISH_ADAPTER_HPP
+#define ATMOS_PUBLISH_PUBLISH_ADAPTER_HPP
+
+#include "util/catalog-adapter.hpp"
+#include "util/mysql-util.hpp"
+
+#include <json/reader.h>
+#include <json/value.h>
+#include <json/writer.h>
+
+#include <ndn-cxx/face.hpp>
+#include <ndn-cxx/interest.hpp>
+#include <ndn-cxx/interest-filter.hpp>
+#include <ndn-cxx/name.hpp>
+#include <ndn-cxx/security/key-chain.hpp>
+
+#include "mysql/mysql.h"
+
+#include <memory>
+#include <string>
+
+namespace atmos {
+namespace publish {
+
+/**
+ * PublishAdapter handles the Publish usecases for the catalog
+ */
+template <typename DatabaseHandler>
+class PublishAdapter : public atmos::util::CatalogAdapter<DatabaseHandler> {
+public:
+ /**
+ * Constructor
+ *
+ * @param face: Face that will be used for NDN communications
+ * @param keyChain: KeyChain to sign query responses and evaluate the incoming publish
+ * and ChronoSync requests against
+ * @param databaseHandler: <typename DatabaseHandler> to the database that stores our catalog
+ * @oaram prefix: Name that will define the prefix to all publish requests
+ * that will be routed to this specific Catalog Instance
+ */
+ PublishAdapter(std::shared_ptr<ndn::Face> face, std::shared_ptr<ndn::KeyChain> keyChain,
+ std::shared_ptr<DatabaseHandler> databaseHandler, const ndn::Name& prefix);
+
+
+ /**
+ * Destructor
+ */
+ virtual
+ ~PublishAdapter();
+
+protected:
+ /**
+ * Initial "please publish this" Interests
+ *
+ * @param filter: InterestFilter that caused this Interest to be routed
+ * @param interest: Interest that needs to be handled
+ */
+ virtual void
+ onInterest(const ndn::InterestFilter& filter, const ndn::Interest& interest);
+
+ /**
+ * Data containing the actual thing we need to publish
+ *
+ * @param interest: Interest that caused this Data to be routed
+ * @param data: Data that needs to be handled
+ */
+ virtual void
+ onData(const ndn::Interest& interest, const ndn::Data& data);
+
+ // @todo: Should we do anything special with the timeouts for the publish requests?
+ // If so, overwrite onTimeout()
+
+};
+
+template <typename DatabaseHandler>
+PublishAdapter<DatabaseHandler>::PublishAdapter(std::shared_ptr<ndn::Face> face,
+ std::shared_ptr<ndn::KeyChain> keyChain,
+ std::shared_ptr<DatabaseHandler> databaseHandler,
+ const ndn::Name& prefix)
+ : atmos::util::CatalogAdapter<DatabaseHandler>(face, keyChain, databaseHandler,
+ ndn::Name(prefix).append("/publish"))
+{
+ face->setInterestFilter(ndn::InterestFilter(ndn::Name(prefix).append("/publish")),
+ bind(&atmos::publish::PublishAdapter<DatabaseHandler>::onInterest,
+ this, _1, _2),
+ bind(&atmos::publish::PublishAdapter<DatabaseHandler>::onRegisterSuccess,
+ this, _1),
+ bind(&atmos::publish::PublishAdapter<DatabaseHandler>::onRegisterFailure,
+ this, _1, _2));
+
+ std::shared_ptr<ndn::Interest> request(std::make_shared<ndn::Interest>(ndn::Name(prefix).append("/publish")));
+ atmos::util::CatalogAdapter<DatabaseHandler>::m_face->expressInterest(*request,
+ bind(&atmos::publish::PublishAdapter<DatabaseHandler>::onData,
+ this, _1, _2),
+ bind(&atmos::publish::PublishAdapter<DatabaseHandler>::onTimeout,
+ this, _1));
+}
+
+template <typename DatabaseHandler>
+PublishAdapter<DatabaseHandler>::~PublishAdapter()
+{
+ // empty
+}
+
+template <typename DatabaseHandler>
+void
+PublishAdapter<DatabaseHandler>::onInterest(const ndn::InterestFilter& filter, const ndn::Interest& interest)
+{
+ // @todo: Request the data for publish
+}
+
+template <typename DatabaseHandler>
+void
+PublishAdapter<DatabaseHandler>::onData(const ndn::Interest& interest, const ndn::Data& data)
+{
+ // @todo handle publishing the data
+}
+
+} // namespace publish
+} // namespace atmos
+#endif //ATMOS_PUBLISH_PUBLISH_ADAPTER_HPP