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/*
Copyright (c) 2010 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 _CLIENT_H
#define _CLIENT_H
#include <pthread.h>
#include <stdint.h>
#include "rpc-clnt.h"
#include "list.h"
#include "inode.h"
#include "client-mem-types.h"
#include "protocol-common.h"
#include "glusterfs3-xdr.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"
struct clnt_options {
char *remote_subvolume;
int ping_timeout;
};
typedef struct clnt_conf {
struct rpc_clnt *rpc;
struct clnt_options opt;
struct rpc_clnt_config rpc_conf;
struct list_head saved_fds;
pthread_mutex_t lock;
int connecting;
int connected;
struct timeval last_sent;
struct timeval last_received;
rpc_clnt_prog_t *fops;
rpc_clnt_prog_t *mgmt;
rpc_clnt_prog_t *handshake;
rpc_clnt_prog_t *dump;
} clnt_conf_t;
typedef struct _client_fd_ctx {
struct list_head sfd_pos; /* Stores the reference to this
fd's position in the saved_fds list.
*/
int64_t remote_fd;
inode_t *inode;
uint64_t ino;
uint64_t gen;
char is_dir;
char released;
int32_t flags;
int32_t wbflags;
} clnt_fd_ctx_t;
typedef struct client_local {
loc_t loc;
loc_t loc2;
fd_t *fd;
clnt_fd_ctx_t *fdctx;
uint32_t flags;
uint32_t wbflags;
fop_cbk_fn_t op;
} clnt_local_t;
typedef struct client_args {
loc_t *loc;
fd_t *fd;
dict_t *xattr_req;
const char *linkname;
struct iobref *iobref;
struct iovec *vector;
dict_t *xattr;
struct iatt *stbuf;
dict_t *dict;
loc_t *oldloc;
loc_t *newloc;
const char *name;
struct flock *flock;
const char *volume;
const char *basename;
off_t offset;
int32_t mask;
int32_t cmd;
size_t size;
mode_t mode;
dev_t rdev;
int32_t flags;
int32_t wbflags;
int32_t count;
int32_t datasync;
entrylk_cmd cmd_entrylk;
entrylk_type type;
gf_xattrop_flags_t optype;
int32_t valid;
int32_t len;
} clnt_args_t;
typedef ssize_t (*gfs_serialize_t) (struct iovec outmsg, void *args);
clnt_fd_ctx_t *this_fd_get_ctx (fd_t *file, xlator_t *this);
clnt_fd_ctx_t *this_fd_del_ctx (fd_t *file, xlator_t *this);
void this_fd_set_ctx (fd_t *file, xlator_t *this, loc_t *loc,
clnt_fd_ctx_t *ctx);
int client_local_wipe (clnt_local_t *local);
int client_submit_request (xlator_t *this, void *req,
call_frame_t *frame, rpc_clnt_prog_t *prog,
int procnum, fop_cbk_fn_t cbk,
struct iobref *iobref, gfs_serialize_t sfunc);
int protocol_client_reopendir (xlator_t *this, clnt_fd_ctx_t *fdctx);
int protocol_client_reopen (xlator_t *this, clnt_fd_ctx_t *fdctx);
int unserialize_rsp_dirent (struct gfs3_readdir_rsp *rsp, gf_dirent_t *entries);
int unserialize_rsp_direntp (struct gfs3_readdirp_rsp *rsp, gf_dirent_t *entries);
int clnt_readdir_rsp_cleanup (gfs3_readdir_rsp *rsp);
int clnt_readdirp_rsp_cleanup (gfs3_readdirp_rsp *rsp);
#endif /* !_CLIENT_H */
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