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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-helpers.c
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-helpers.c')
-rw-r--r--xlators/protocol/client/src/client-helpers.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/xlators/protocol/client/src/client-helpers.c b/xlators/protocol/client/src/client-helpers.c
new file mode 100644
index 0000000..ae091ed
--- /dev/null
+++ b/xlators/protocol/client/src/client-helpers.c
@@ -0,0 +1,109 @@
+/*
+ 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 _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "client.h"
+#include "fd.h"
+
+
+clnt_fd_ctx_t *
+this_fd_del_ctx (fd_t *file, xlator_t *this)
+{
+ int dict_ret = -1;
+ uint64_t ctxaddr = 0;
+
+ GF_VALIDATE_OR_GOTO ("client", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, file, out);
+
+ dict_ret = fd_ctx_del (file, this, &ctxaddr);
+
+ if (dict_ret < 0) {
+ ctxaddr = 0;
+ }
+
+out:
+ return (clnt_fd_ctx_t *)(unsigned long)ctxaddr;
+}
+
+
+clnt_fd_ctx_t *
+this_fd_get_ctx (fd_t *file, xlator_t *this)
+{
+ int dict_ret = -1;
+ uint64_t ctxaddr = 0;
+
+ GF_VALIDATE_OR_GOTO ("client", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, file, out);
+
+ dict_ret = fd_ctx_get (file, this, &ctxaddr);
+
+ if (dict_ret < 0) {
+ ctxaddr = 0;
+ }
+
+out:
+ return (clnt_fd_ctx_t *)(unsigned long)ctxaddr;
+}
+
+
+void
+this_fd_set_ctx (fd_t *file, xlator_t *this, loc_t *loc, clnt_fd_ctx_t *ctx)
+{
+ uint64_t oldaddr = 0;
+ int32_t ret = -1;
+
+ GF_VALIDATE_OR_GOTO ("client", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, file, out);
+
+ ret = fd_ctx_get (file, this, &oldaddr);
+ if (ret >= 0) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "%s (%"PRId64"): trying duplicate remote fd set. ",
+ loc->path, loc->inode->ino);
+ }
+
+ ret = fd_ctx_set (file, this, (uint64_t)(unsigned long)ctx);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "%s (%"PRId64"): failed to set remote fd",
+ loc->path, loc->inode->ino);
+ }
+out:
+ return;
+}
+
+
+int
+client_local_wipe (clnt_local_t *local)
+{
+ if (local) {
+ loc_wipe (&local->loc);
+
+ if (local->fd)
+ fd_unref (local->fd);
+
+ GF_FREE (local);
+ }
+
+ return 0;
+}