First commit

Import incredis straight from dindexer.

src/command.hpp

@@ -0,0 +1,84 @@
+/* Copyright 2016, Michele Santullo
+ * This file is part of "incredis".
+ *
+ * "incredis" 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.
+ *
+ * "incredis" 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 "incredis".  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef idD83EEBFC927840C6B9F32D61A1D1E582
+#define idD83EEBFC927840C6B9F32D61A1D1E582
+
+#include "reply.hpp"
+#include "batch.hpp"
+#include "script.hpp"
+#include <array>
+#include <string>
+#include <cstdint>
+#include <cstddef>
+#include <cassert>
+#include <vector>
+#include <utility>
+#include <boost/utility/string_ref.hpp>
+#include <ciso646>
+#include <stdexcept>
+
+namespace redis {
+	class Command {
+	public:
+		Command ( std::string&& parAddress, uint16_t parPort );
+		explicit Command ( std::string&& parSocket );
+		~Command ( void ) noexcept;
+
+		void connect ( void );
+		void wait_for_connect ( void );
+		void disconnect ( void );
+		void wait_for_disconnect ( void );
+
+		bool is_connected ( void ) const;
+		boost::string_ref connection_error ( void ) const;
+
+		Batch make_batch ( void );
+		Script make_script ( const std::string& parScript );
+
+		template <typename... Args>
+		Reply run ( const char* parCommand, Args&&... parArgs );
+
+	private:
+		struct LocalData;
+
+		std::unique_ptr<LocalData> m_local_data;
+	};
+
+	template <typename... Args>
+	Reply Command::run (const char* parCommand, Args&&... parArgs) {
+		auto batch = make_batch();
+		batch.run(parCommand, std::forward<Args>(parArgs)...);
+		batch.throw_if_failed();
+		return batch.replies().front();
+	}
+
+	template <typename T>
+	struct StructAdapt;
+
+	template <typename AS, typename I>
+	inline AS range_as (const boost::iterator_range<I>& parRange) {
+		assert(not boost::empty(parRange));
+		AS retval;
+		const auto success = StructAdapt<AS>::decode(parRange, retval);
+		if (not success)
+			throw std::runtime_error("Error decoding range");
+		return retval;
+	};
+} //namespace redis
+
+#endif