rpc protocol

Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Raghavendra G <raghavendra@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 875 (Implement a new protocol to provide proper backward/forward compatibility)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=875

1 files changed, 125 insertions, 0 deletions

diff --git a/xlators/protocol/client/src/client.h b/xlators/protocol/client/src/client.h
new file mode 100644
index 000000000..9d713bed2
--- /dev/null
+++ b/xlators/protocol/client/src/client.h
@@ -0,0 +1,125 @@
+/*
+   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"
+
+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;
+	struct timeval         last_sent;
+	struct timeval         last_received;
+
+        rpc_clnt_prog_t       *fops;
+        rpc_clnt_prog_t       *mgmt;
+        rpc_clnt_prog_t       *handshake;
+} 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, 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);
+
+#endif /* !_CLIENT_H */