nfs: Add MOUNTv3 protocol support

Signed-off-by: Shehjar Tikoo <shehjart@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 399 (NFS translator with Mount v3 and NFS v3 support)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=399

1 files changed, 78 insertions, 0 deletions

diff --git a/xlators/nfs/server/src/mount3.h b/xlators/nfs/server/src/mount3.h
new file mode 100644
index 000000000..7cfd2b0cb
--- /dev/null
+++ b/xlators/nfs/server/src/mount3.h
@@ -0,0 +1,78 @@
+/*
+  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 _MOUNT3_H_
+#define _MOUNT3_H_
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "rpcsvc.h"
+#include "dict.h"
+#include "xlator.h"
+#include "iobuf.h"
+#include "nfs.h"
+#include "list.h"
+#include "xdr-nfs3.h"
+#include "locking.h"
+
+/* Registered with portmap */
+#define GF_MOUNTV3_PORT         38465
+#define GF_MOUNTV3_IOB          (2 * GF_UNIT_KB)
+#define GF_MOUNTV3_IOBPOOL      (GF_MOUNTV3_IOB * 50)
+
+#define GF_MOUNTV1_PORT         38466
+#define GF_MNT                  GF_NFS"-mount"
+
+extern rpcsvc_program_t *
+mnt3svc_init (xlator_t *nfsx);
+
+extern rpcsvc_program_t *
+mnt1svc_init (xlator_t *nfsx);
+
+/* Data structureused to store the list of mounts points currently
+ * in use by NFS clients.
+ */
+struct mountentry {
+        /* Links to mount3_state->mountlist.  */
+        struct list_head        mlist;
+
+        /* The export name */
+        char                    exname[MNTPATHLEN];
+        char                    hostname[MNTPATHLEN];
+};
+
+struct mount3_state {
+        xlator_t                *nfsx;
+
+        /* The buffers for all network IO are got from this pool. */
+        struct iobuf_pool       *iobpool;
+        xlator_list_t           *exports;
+
+        /* List of current mount points over all the exports from this
+         * server.
+         */
+        struct list_head        mountlist;
+
+        /* Used to protect the mountlist. */
+        gf_lock_t               mountlock;
+};
+#endif