libglusterfs, glusterfsd: add shortname resolution + optname hinting support to VOLUME SET

Trie code used for hinting is contributed by Avati.

Signed-off-by: Csaba Henk <csaba@lowlife.hu>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 1750 (clean up volgen)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1750

1 files changed, 60 insertions, 0 deletions

diff --git a/libglusterfs/src/trie.h b/libglusterfs/src/trie.h
new file mode 100644
index 000000000..a670c2a27
--- /dev/null
+++ b/libglusterfs/src/trie.h
@@ -0,0 +1,60 @@
+/*
+  Copyright (c) 2007-2010 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 Affero 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
+  Affero General Public License for more details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with this program.  If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _TRIE_H_
+#define _TRIE_H_
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+struct trienode;
+typedef struct trienode trienode_t;
+
+struct trie;
+typedef struct trie trie_t;
+
+struct trienodevec {
+        trienode_t **nodes;
+        unsigned cnt;
+};
+
+
+trie_t *trie_new ();
+
+int trie_add (trie_t *trie, const char *word);
+
+void trie_destroy (trie_t *trie);
+
+void trie_destroy_bynode (trienode_t *node);
+
+int trie_measure (trie_t *trie, const char *word, trienode_t **nodes,
+                  int nodecnt);
+
+int trie_measure_vec (trie_t *trie, const char *word,
+                      struct trienodevec *nodevec);
+
+void trie_reset_search (trie_t *trie);
+
+int trienode_get_dist (trienode_t *node);
+
+int trienode_get_word (trienode_t *node, char **buf);
+
+#endif