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/*
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"
/* FIXME: Needs to be defined in a common file */
#define CLIENT_CMD_CONNECT "trusted.glusterfs.client-connect"
#define CLIENT_CMD_DISCONNECT "trusted.glusterfs.client-disconnect"
#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 is running and migrating files */
PUMP_STATE_RESUME, /* Pump is resuming from a previous pause */
PUMP_STATE_PAUSE, /* Pump is paused */
PUMP_STATE_ABORT, /* Pump is aborted */
} pump_state_t;
typedef struct _pump_private {
struct syncenv *env; /* The env pointer to the pump synctask */
const char *resume_path; /* path to resume from the last pause */
gf_lock_t resume_path_lock; /* Synchronize resume_path changes */
gf_lock_t pump_state_lock; /* Synchronize pump_state changes */
pump_state_t pump_state; /* State of pump */
char current_file[PATH_MAX]; /* Current file being pumped */
uint64_t number_files_pumped; /* Number of files pumped */
gf_boolean_t pump_finished; /* Boolean to indicate pump termination */
char pump_start_pending; /* Boolean to mark start pending until
CHILD_UP */
} 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__ */
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