From a6f0446541e917979a697edd06dd28634bf3ec6d Mon Sep 17 00:00:00 2001 From: Shehjar Tikoo Date: Thu, 16 Apr 2009 23:58:13 -0700 Subject: libglusterfsclient: Add symlink API Signed-off-by: Anand V. Avati --- libglusterfsclient/src/libglusterfsclient.c | 116 ++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) (limited to 'libglusterfsclient') diff --git a/libglusterfsclient/src/libglusterfsclient.c b/libglusterfsclient/src/libglusterfsclient.c index 84f8695d2d5..3bbe8894503 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 = { }; -- cgit