Move source into separate sub directories.

thin-provisioning/emitter.h

@@ -0,0 +1,74 @@
+// Copyright (C) 2011 Red Hat, Inc. All rights reserved.
+//
+// This file is part of the thin-provisioning-tools source.
+//
+// thin-provisioning-tools 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.
+//
+// thin-provisioning-tools 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 thin-provisioning-tools.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+#ifndef EMITTER_H
+#define EMITTER_H
+
+#include <boost/shared_ptr.hpp>
+#include <boost/optional.hpp>
+#include <string>
+#include <stdint.h>
+
+//----------------------------------------------------------------
+
+namespace thin_provisioning {
+
+	//------------------------------------------------
+	// Here's a little grammar for how this all hangs together:
+	//
+	// superblock := <uuid> <time> <trans_id> <data_block_size> device*
+	// device := <dev id> <transaction id> <creation time> <snap time> <binding>
+        // binding := (<identifier> | <mapping>)*
+	// mapping := range_map | single_map
+	// range_map := <origin_begin> <origin_end> <data_begin>
+	// single_map := <origin> <data>
+	// named_mapping := <identifier> <mapping>
+	//------------------------------------------------
+	class emitter {
+	public:
+		typedef boost::shared_ptr<emitter> ptr;
+
+		virtual ~emitter() {}
+
+		virtual void begin_superblock(std::string const &uuid,
+					      uint64_t time,
+					      uint64_t trans_id,
+					      uint32_t data_block_size,
+					      uint64_t nr_data_blocks,
+					      boost::optional<uint64_t> metadata_snap) = 0;
+		virtual void end_superblock() = 0;
+
+		virtual void begin_device(uint32_t dev_id,
+					  uint64_t mapped_blocks,
+					  uint64_t trans_id,
+					  uint64_t creation_time,
+					  uint64_t snap_time) = 0;
+		virtual void end_device() = 0;
+
+		virtual void begin_named_mapping(std::string const &name) = 0;
+		virtual void end_named_mapping() = 0;
+
+		virtual void identifier(std::string const &name) = 0;
+		virtual void range_map(uint64_t origin_begin, uint64_t data_begin, uint32_t time, uint64_t len) = 0;
+		virtual void single_map(uint64_t origin_block, uint64_t data_block, uint32_t time) = 0;
+	};
+}
+
+//----------------------------------------------------------------
+
+#endif