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authorAmar Tumballi <amar@gluster.com>2010-06-21 07:00:04 +0000
committerAnand V. Avati <avati@dev.gluster.com>2010-06-21 20:21:10 -0700
commitfdd20492638fe98a62b5e6d5e82f18cf4799fd1a (patch)
tree98082d7bfdc66157f40666f2070d3a45b582327a /xlators/protocol/client/src/client.h
parentb9b8734a9496ccf5f8ed5527dc7714930a59948b (diff)
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
Diffstat (limited to 'xlators/protocol/client/src/client.h')
-rw-r--r--xlators/protocol/client/src/client.h125
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
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+++ 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 */