add pump xlator and changes for replace-brick

Signed-off-by: Pavan Vilas Sondur <pavan@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 1235 (Bug for all pump/migrate commits)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1235

1 files changed, 96 insertions, 0 deletions

diff --git a/xlators/cluster/afr/src/pump.h b/xlators/cluster/afr/src/pump.h
new file mode 100644
index 00000000..15799002
--- /dev/null
+++ b/xlators/cluster/afr/src/pump.h
@@ -0,0 +1,96 @@
+/*
+   Copyright (c) 2007-2009 Gluster, Inc. <http://www.gluster.com>
+   This file is part of GlusterFS.
+
+   GlusterFS 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.
+
+   GlusterFS 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 this program.  If not, see
+   <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __PUMP_H__
+#define __PUMP_H__
+
+#include "syncop.h"
+
+#define PUMP_PID 696969
+#define PUMP_LK_OWNER 696969
+
+#define IS_ROOT_PATH(path) (!strcmp (path, "/"))
+#define IS_ENTRY_CWD(entry) (!strcmp (entry, "."))
+#define IS_ENTRY_PARENT(entry) (!strcmp (entry, ".."))
+
+#define PUMP_CMD_START  "trusted.glusterfs.pump.start"
+#define PUMP_CMD_ABORT  "trusted.glusterfs.pump.abort"
+#define PUMP_CMD_PAUSE  "trusted.glusterfs.pump.pause"
+#define PUMP_CMD_STATUS "trusted.glusterfs.pump.status"
+
+#define PUMP_SOURCE_COMPLETE "trusted.glusterfs.pump-source-complete"
+#define PUMP_SINK_COMPLETE "trusted.glusterfs.pump-sink-complete"
+
+#define PUMP_PATH "trusted.glusterfs.pump-path"
+
+#define PUMP_SOURCE_CHILD(xl) (xl->children->xlator)
+#define PUMP_SINK_CHILD(xl) (xl->children->next->xlator)
+
+typedef enum {
+        PUMP_STATE_RUNNING,
+        PUMP_STATE_RESUME,
+        PUMP_STATE_PAUSE,
+        PUMP_STATE_ABORT,
+} pump_state_t;
+
+typedef struct _pump_private {
+	struct syncenv *env;
+        const char *resume_path;
+        gf_lock_t resume_path_lock;
+        gf_lock_t pump_state_lock;
+        pump_state_t pump_state;
+        long source_blocks;
+        long sink_blocks;
+        char current_file[PATH_MAX];
+        uint64_t number_files_pumped;
+        gf_boolean_t pump_finished;
+} pump_private_t;
+
+void
+build_root_loc (inode_t *inode, loc_t *loc);
+int pump_start (call_frame_t *frame, xlator_t *this);
+
+gf_boolean_t
+pump_command_start (xlator_t *this, dict_t *dict);
+
+int
+pump_execute_start (call_frame_t *frame, xlator_t *this);
+
+gf_boolean_t
+pump_command_pause (xlator_t *this, dict_t *dict);
+
+int
+pump_execute_pause (call_frame_t *frame, xlator_t *this);
+
+gf_boolean_t
+pump_command_abort (xlator_t *this, dict_t *dict);
+
+int
+pump_execute_abort (call_frame_t *frame, xlator_t *this);
+
+gf_boolean_t
+pump_command_status (xlator_t *this, dict_t *dict);
+
+int
+pump_execute_status (call_frame_t *frame, xlator_t *this);
+
+gf_boolean_t
+is_pump_loaded (xlator_t *this);
+
+#endif /* __PUMP_H__ */