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authorShehjar Tikoo <shehjart@zresearch.com>2009-04-16 23:58:13 -0700
committerAnand V. Avati <avati@amp.gluster.com>2009-04-17 13:44:19 +0530
commita6f0446541e917979a697edd06dd28634bf3ec6d (patch)
treec7d8cd44a991d33c01d4023d663465ef00834305 /libglusterfsclient
parent7aff8936f9c86677ee205e1cf9cb41f4ea9edecd (diff)
libglusterfsclient: Add symlink API
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
Diffstat (limited to 'libglusterfsclient')
-rwxr-xr-xlibglusterfsclient/src/libglusterfsclient.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/libglusterfsclient/src/libglusterfsclient.c b/libglusterfsclient/src/libglusterfsclient.c
index 84f8695d2..3bbe88945 100755
--- a/libglusterfsclient/src/libglusterfsclient.c
+++ b/libglusterfsclient/src/libglusterfsclient.c
@@ -4552,6 +4552,122 @@ out:
return op_ret;
}
+static int32_t
+libgf_client_symlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno,
+ inode_t *inode, struct stat *buf)
+{
+ libgf_client_local_t *local = frame->local;
+
+ local->reply_stub = fop_symlink_cbk_stub (frame, NULL, op_ret,
+ op_errno, inode, buf);
+
+ LIBGF_REPLY_NOTIFY (local);
+ return 0;
+}
+
+int32_t
+libgf_client_symlink (libglusterfs_client_ctx_t *ctx, const char *linkpath,
+ loc_t *loc)
+{
+ int op_ret = -1;
+ libgf_client_local_t *local = NULL;
+ call_stub_t *stub = NULL;
+ inode_t *inode = NULL;
+
+ LIBGF_CLIENT_FOP (ctx, stub, symlink, local, linkpath, loc);
+
+ op_ret = stub->args.symlink_cbk.op_ret;
+ errno = stub->args.symlink_cbk.op_errno;
+ if (op_ret == -1)
+ goto out;
+
+ inode = stub->args.symlink_cbk.inode;
+ inode_link (inode, loc->parent, loc->name,
+ &stub->args.symlink_cbk.buf);
+
+ if (!libgf_get_inode_ctx (inode))
+ libgf_alloc_inode_ctx (ctx, inode);
+
+ libgf_update_iattr_cache (inode, LIBGF_UPDATE_STAT,
+ &stub->args.symlink_cbk.buf);
+out:
+ call_stub_destroy (stub);
+ return op_ret;
+}
+
+int
+glusterfs_symlink (glusterfs_handle_t handle, const char *oldpath,
+ const char *newpath)
+{
+ int32_t op_ret = -1;
+ libglusterfs_client_ctx_t *ctx = handle;
+ loc_t oldloc = {0, };
+ loc_t newloc = {0, };
+ char *oldname = NULL;
+ char *newname = NULL;
+
+ GF_VALIDATE_OR_GOTO (LIBGF_XL_NAME, ctx, out);
+ GF_VALIDATE_ABSOLUTE_PATH_OR_GOTO (LIBGF_XL_NAME, newpath, out);
+
+ oldloc.path = strdup (oldpath);
+ op_ret = libgf_client_path_lookup (&oldloc, ctx, 1);
+ if (op_ret == -1) {
+ errno = ENOENT;
+ goto out;
+ }
+
+ oldname = strdup (oldpath);
+ op_ret = libgf_client_loc_fill (&oldloc, ctx, 0, oldloc.parent->ino,
+ basename (oldname));
+ if (op_ret == -1) {
+ errno = EINVAL;
+ goto out;
+ }
+
+ newloc.path = strdup (newpath);
+ op_ret = libgf_client_path_lookup (&newloc, ctx, 1);
+ if (op_ret == 0) {
+ gf_log ("libglusterfsclient", GF_LOG_ERROR,
+ "new path (%s) already exists, "
+ " returning EEXIST", newpath);
+ op_ret = -1;
+ errno = EEXIST;
+ goto out;
+ }
+
+ op_ret = libgf_client_path_lookup (&newloc, ctx, 0);
+ if (op_ret == -1) {
+ errno = ENOENT;
+ goto out;
+ }
+
+ newloc.inode = inode_new (ctx->itable);
+ newname = strdup (newpath);
+ op_ret = libgf_client_loc_fill (&newloc, ctx, 0, newloc.parent->ino,
+ basename (newname));
+
+ if (op_ret == -1) {
+ gf_log ("libglusterfsclient", GF_LOG_ERROR,
+ "libgf_client_loc_fill returned -1, "
+ "returning EINVAL");
+ errno = EINVAL;
+ goto out;
+ }
+
+ op_ret = libgf_client_symlink (ctx, oldpath, &newloc);
+
+out:
+ if (newname)
+ FREE (newname);
+
+ if (oldname)
+ FREE (oldname);
+ libgf_client_loc_wipe (&oldloc);
+ libgf_client_loc_wipe (&newloc);
+ return op_ret;
+}
+
static struct xlator_fops libgf_client_fops = {
};